1: static char Sccsid[] = "xed.c @(#)xed.c 1.1 10/1/82 Berkeley "; 2: # 3: 4: /* 5: * V7.15 81/09/16 14:22 Fixed bug causing bus errors occasionally 6: * V7.14 81/09/10 21:50 -B dynamically allocated line buffer 7: * V7.13 81/07/25 22:51 added -O and "long" pointers 8: * 9: * Editor 10: * 11: * Major additions beginning 77/04 12: * Conversion to version 7 79/12 13: * Conversion to VAX 80/11 14: * 15: * Purdue University, Engineering Computer Network 16: * 17: * Tgi -- Room 337A 18: * Electrical Engineering Dept 19: * Purdue University 20: * West Lafayette, Indiana 21: * 47907 22: * 317/49-41592 23: */ 24: 25: #define XED /* enable powerful stuff */ 26: #define V7 /* enable environment stuff for protocol */ 27: 28: /* 29: * At the entry to a function (PDP-11) the following sequence 30: * of instructions is executed: 31: * func: jsr r5,csv 32: * csv: mov r5,r0 33: * csv+2: mov sp,r5 34: * If a signal occurs between the first and second, or between the 35: * second and third instructions, r5 will NOT contain a valid 36: * stack address. Hence, when longjmp() attempts to validate 37: * the environment pointer (r5) links, an instruction will be 38: * fetched instead of a valid pointer, and will generally cause 39: * one of "memory fault", "bus error", or "illegal instruction" 40: * resulting in the loss of the editing session. 41: * 42: * Due to this wonderful feature of version 7 ingenuity, I have 43: * reverted to using setexit/reset, since they are simpler and 44: * do not assume that I do not know what I am doing. 45: * 46: * 80/11/10 V7.01 Tgi 47: */ 48: 49: #ifndef pdp11 50: #include <setjmp.h> 51: jmp_buf _env_rst; 52: #define setexit() setjmp(_env_rst) 53: #define reset() longjmp(_env_rst,1) 54: #endif 55: 56: #include <sys/types.h> 57: #include <sys/stat.h> 58: 59: /* 60: * Machine-dependent definitions 61: */ 62: 63: #ifdef pdp11 64: # define BPB 8 /* bits per byte */ 65: # define BPW (BPB*sizeof(int))/* bits per word */ 66: # define BPWC 4 /* log2(BPW) */ 67: # define BPWM 017 /* mask of BPWC bits */ 68: typedef short block; 69: typedef short charac; 70: typedef short filedes; 71: typedef short flag; 72: typedef int (*func)(); 73: typedef short linep; 74: #endif 75: 76: #ifdef vax 77: # define BPB 8 /* bits per byte */ 78: # define BPW (BPB*sizeof(int))/* bits per word */ 79: # define BPWC 5 /* log2(BPW) */ 80: # define BPWM 037 /* mask of BPWC bits */ 81: typedef long block; 82: typedef int charac; 83: typedef short filedes; 84: typedef char flag; 85: typedef int (*func)(); 86: typedef long linep; /* NEW */ 87: #endif 88: 89: /* 90: * conditional compilation 91: */ 92: 93: #ifdef XED 94: # define AGAIN /* enable "o" "again" command */ 95: # define ALLOC 1024 /* line buffer size */ 96: # define APLMAP /* enable Apl character mapping */ 97: # define DEBUG /* enable "du" command */ 98: # define DUMB 0 /* enable command to disable spcl chars */ 99: # define EOL /* enable special eol stuff */ 100: # define EXTMARK /* extended "k" capability */ 101: # define G_VFY /* enable verifying on "g" command */ 102: # define HELP "/etc/xed.doc" 103: # ifdef pdp11 /* only needed on 16-bit machines */ 104: # define HUGE /* enable "huge" file stuff */ 105: # endif 106: # define PAGE /* enable proper line counting on ":" */ 107: # define PARENS /* enable "b" suffix to count parentheses */ 108: # define PIPE /* enable | command to pipe to process */ 109: # define PROMPT ">" 110: # define STRLEN /* enable string-length counting code */ 111: # define TABS ((LBSIZE+sizeof(int)-1)/sizeof(int)) /* words for tab stops */ 112: # define TTL "XED\tV7.15" 113: /* #define TTL_NL 9 /* location of newline in TTL */ 114: # define UNDO /* enable "u"ndo command */ 115: # define USE /* enable "@" command */ 116: # define XDEL /* enable undelete stuff */ 117: # define YINT /* enable special interrupt processing */ 118: #endif 119: 120: /* 121: * stuff for EED, instead of XED 122: */ 123: 124: #ifndef XED 125: # define HELP "/etc/eed.doc" 126: # define PROMPT "*" 127: # define TTL "EED" 128: #else 129: # define EEDHELP "/etc/eed.doc" 130: # define EEDPROMPT "*" 131: # define EEDTTL "EED" 132: #endif 133: 134: /* 135: * stuff normally enabled 136: */ 137: 138: #define CLEAR "\33:\33H\33J\32\14" /* HP-2640A, Lear ADM-3A */ 139: #define CMDS "edsav" /* all commands written if exists */ 140: #ifndef DUMB 141: # define DUMB 1 /* enable command to disable spcl chars */ 142: #endif 143: 144: /* 145: * special stuff, occasionally enabled 146: */ 147: 148: #define LOG "/a/tgi/etc/xed.log" /* feature use logging */ 149: 150: /* 151: * data #defines 152: */ 153: 154: #define BAK 4 /* file.bak - backup() */ 155: #define BLKSIZE 512 /* disk block size (bytes) */ 156: #define BS1 0100000 /* stty() */ 157: #define CBACK 14 /* back-reference: \(blah\)more\1 */ 158: #define CBRA 1 /* \( */ 159: #define CCHR 2 /* literal character */ 160: #define CCL 6 /* character class [x...y] */ 161: #define CCOUNT (80-1) /* terminal width */ 162: #define CDOL 10 /* ...$ */ 163: #define CDOT 4 /* . */ 164: #define CEOF 11 /* end of pattern */ 165: #define CKET 12 /* \) */ 166: #define EOF -1 /* end of file */ 167: #define ESIZE 128 /* regular expression size */ 168: #define FILE 0 /* no extension - backup() */ 169: #define FNSIZE 64 /* max size of pathname to file */ 170: #define GBSIZE 256 /* max global command length */ 171: #define HUP 3 /* file.hup - backup() */ 172: #define INT 2 /* file.int - backup() */ 173: #define LBSIZE 512 /* max line length */ 174: #define LMASK 077 /* mask for "locked" file */ 175: #define LMODE (MODE&~LMASK) /* mode for "locked" file */ 176: #define MODCNT 35 /* default mod count before auto-write */ 177: #define MODE 0666 /* mode for normal files */ 178: #define NBRA 9 /* number of \( \) pairs */ 179: #define NCCL 8 /* not in character class: [^x...y] */ 180: #define PAGSIZ 22 /* page size for ":" command */ 181: #define READ 0 /* getblock: read function */ 182: #define SIGBUS 10 /* Bus error */ 183: #define SIGEMT 7 /* EMT trap */ 184: #define SIGFPE 8 /* Floating Point Exception */ 185: #define SIGHUP 1 /* Hangup signal */ 186: #define SIGILL 4 /* Illegal instruction */ 187: #define SIGINT 2 /* Interrupt signal */ 188: #define SIGIOT 6 /* IOT trap */ 189: #define SIGPIP 13 /* Broken pipe for ! stuff */ 190: #define SIGQIT 3 /* Quit signal */ 191: #define SIGSEGV 11 /* Memory fault */ 192: #define SIGSYS 12 /* Bad system call */ 193: #define SIGTRC 5 /* Trace/BPT for mail stuff */ 194: #define SIGTRM 15 /* Termination */ 195: #define STAR 1 /* * */ 196: #define TABFILL '\t' /* fill character for tab expansion */ 197: #define TMP 1 /* file.edt - backup() */ 198: #define TRM 5 /* file.trm - backup() */ 199: #define TTSIZE (512+4) /* terminal output buffer size */ 200: #define WRITE 1 /* getblock: write function */ 201: #define ever (;;) 202: 203: #define error errfunc 204: #define ctrl(x) ((x)&037) 205: 206: #ifdef AGAIN 207: char agbuf[GBSIZE], /* save area for "again" command */ 208: *agp = 0; /* "again" command pointer */ 209: flag agf = 0; /* "again" flag (executing the command) */ 210: #endif 211: 212: #ifdef ALLOC 213: int lbsize = LBSIZE;/* line buffer size */ 214: #endif 215: 216: #ifdef APLMAP 217: flag aplmap = 0; /* Apl character mapping */ 218: #include "aplmap.h" /* apl ADM-3A char set mapping tables */ 219: #endif 220: 221: #ifdef CKPT 222: char *cfname = "/tmp/ce00000";/* filename for checkpoint */ 223: int recovry = 0, /* non-zero to recover checkpointed session */ 224: tfnum; /* index into tfname for "00000" string */ 225: #endif 226: 227: #ifdef CLEAR 228: char *clears = CLEAR;/* screen-clear sequence */ 229: flag zflg = 0; /* if "stty bs1" not set */ 230: /* bs1 displays ctrl-z as ^Z on tty */ 231: #endif 232: 233: #ifdef CMDS 234: filedes cmd = 0; /* file des for command-save file */ 235: char cmdfil[] = CMDS;/* command-save file */ 236: #endif 237: 238: #ifdef DEBUG 239: flag tflg = 0; /* tracing flag */ 240: #endif 241: 242: #ifdef DUMB 243: flag dumbf = DUMB; /* 1 = disable special chars in patterns */ 244: #endif 245: 246: #ifdef EOL 247: charac eol = 0; /* "end-of-line" char for multiple commands */ 248: /* per line */ 249: flag prompt3 = 1; /* disable prompts for "eol" stuff */ 250: #endif 251: 252: #ifdef G_VFY 253: flag gaskf = 0; /* verify mode on global command */ 254: #endif 255: 256: #ifdef HELP 257: filedes doc = 0; /* "help" file descriptor */ 258: char *help = HELP; /* "help" file name */ 259: #endif 260: 261: #ifdef LOG 262: char logfile[]= LOG; /* logging use of features */ 263: filedes lfile = 0; /* logging file descriptor */ 264: short logamp; /* since s/x/&/ may be done many times */ 265: struct logstat { 266: short l_uid; /* user id of caller */ 267: char l_xed, /* 1 if xed, 0 if eed, 2 if apled */ 268: l_inter; /* 1 if interactive */ 269: /* command features */ 270: short lc_shell, /* ! */ 271: lc_pipe, /* | */ 272: lc_piplus, /* |+ */ 273: lc_piminus, /* |- */ 274: lc_dpipe, /* || */ 275: lc_pfrom, /* |< */ 276: lc_pto, /* |> */ 277: lc_at, /* @ */ 278: lc_colon, /* : */ 279: lc_star, /* * */ 280: lc_clnminus, /* :- */ 281: lc_comment, /* : stuff or * stuff */ 282: lc_append, /* a */ 283: lc_abort, /* abort */ 284: lc_aspace, /* a line */ 285: lc_aslash, /* a/string/ */ 286: lc_browse, /* bN */ 287: lc_change, /* c */ 288: lc_cslash, /* c/s1/s2/ */ 289: lc_copy, /* coNN */ 290: lc_delete, /* d */ 291: lc_depth, /* d=NN */ 292: lc_directory, /* d path */ 293: lc_edit, /* e file */ 294: lc_eol, /* e=C */ 295: lc_errmsg, /* eNN */ 296: lc_exp, /* exp */ 297: lc_eplus, /* e+ */ 298: lc_eminus, /* e- */ 299: lc_fshow, /* f */ 300: lc_fset, /* f file */ 301: lc_fillset, /* f=C */ 302: lc_global, /* g/str/cmd */ 303: lc_gvfy, /* g/str/vcmd */ 304: lc_header, /* h */ 305: lc_help, /* help */ 306: lc_insert, /* i */ 307: lc_islash, /* i/string/ */ 308: lc_join, /* j */ 309: lc_jglue, /* j/glue/ */ 310: lc_klist, /* k */ 311: lc_kset, /* kC */ 312: lc_list, /* l */ 313: lc_move, /* mNN */ 314: lc_moove, /* moNN */ 315: lc_magic, /* m */ 316: lc_numbers, /* n */ 317: lc_numinus, /* n- */ 318: lc_numplus, /* n+ */ 319: lc_o, /* o ^Q */ 320: lc_print, /* p */ 321: lc_pprint, /* pp */ 322: lc_quit, /* q */ 323: lc_qimm, /* qi */ 324: lc_quote, /* q=C */ 325: lc_read, /* r */ 326: lc_substitute, /* s/s1/s2/ */ 327: lc_stop, /* s */ 328: lc_savecount, /* saNN */ 329: lc_tablist, /* t */ 330: lc_tabset, /* t,NN */ 331: lc_tabchar, /* t=C */ 332: lc_transfer, /* tNN */ 333: lc_undo, /* u */ 334: lc_vglobal, /* v/str/cmd */ 335: lc_write, /* w */ 336: lc_wonto, /* w> */ 337: lc_wimm, /* wi */ 338: lc_width, /* w=NN */ 339: lc_xundelete, /* x */ 340: lc_yintr, /* y */ 341: lc_yminus, /* y- */ 342: lc_yplus, /* y+ */ 343: /* address features */ 344: la_dot, /* . */ 345: la_dotdot, /* .. */ 346: la_dol, /* $ */ 347: la_num, /* NN */ 348: la_plus, /* + */ 349: la_minus, /* - */ 350: la_caret, /* ^ */ 351: la_quote, /* 'a */ 352: la_letter, /* A */ 353: la_slash, /* /str/ */ 354: la_query, /* ?str? */ 355: la_equal, /* = */ 356: /* pattern features */ 357: lp_caret, /* ^ */ 358: lp_dol, /* $ */ 359: lp_dot, /* . */ 360: lp_star, /* * */ 361: lp_ccl, /* [ ] */ 362: lp_nccl, /* [^ ] */ 363: lp_paren, /* \( \) */ 364: lp_digit, /* \1 \2 \3 ... */ 365: /* substitution features */ 366: lp_amp, /* & */ 367: /* miscellaneous features */ 368: lm_quote, /* ...q */ 369: lm_bracket, /* ...b */ 370: lm_overwrite; /* -O,wi */ 371: /* resources */ 372: long lt_start, /* starting time */ 373: lt_end, /* elapsed time */ 374: lt_usercpu, /* user cpu time */ 375: lt_syscpu, /* system cpu time */ 376: lt_kidscpu, /* total ! kids time */ 377: lt_rlines, /* total lines read */ 378: lt_wlines; /* total lines written */ 379: } logstats; 380: #endif 381: 382: #ifdef PAGE 383: int ccount = CCOUNT;/* terminal width */ 384: #endif 385: 386: #ifdef PARENS 387: int parenc[3] = {0, 0, 0};/* parentheses counts */ 388: flag parenf = 0; /* count parentheses and brackets */ 389: #endif 390: 391: #ifdef PIPE 392: filedes pfile = 0; /* "pipe" file descriptor */ 393: char *pfname = "/tmp/ep00000";/* for "double-piping" */ 394: flag piperr = 0, /* pipe error flag - shell() */ 395: pno = -1, /* piping line numbering flag (default n-) */ 396: strict = 1; /* strict exit status checking for | */ 397: #endif 398: 399: #ifdef STRLEN 400: charac quotec = '\0', /* quote character other than " or ' */ 401: quotec2 = '\0'; /* closing quote */ 402: int quotef = 0; /* length of strings within " or ' chars */ 403: #endif 404: 405: #ifdef TABS 406: charac tabfill = TABFILL,/* fill character */ 407: tabc = 0; /* tab character - if 0 no tab processing */ 408: int maxtab = -1, /* last column number with tab stop */ 409: tabs[TABS]; /* each bit on = tab stop */ 410: #endif 411: 412: #ifdef UNDO 413: linep undo_oldp, /* original line pointer */ 414: undo_newp; /* replacement line */ 415: #endif 416: 417: #ifdef USE 418: filedes alt = 0; /* alternate command input file */ 419: char altfile[FNSIZE]; 420: flag eflg2 = 0; /* another kludge */ 421: #endif 422: 423: #ifdef XDEL 424: linep deleted = 0; /* pointer to deleted line pointers */ 425: int ndeleted = 0; /* number of lines */ 426: #endif 427: 428: #ifdef YINT 429: flag yflg = 0; /* page upon interrupt */ 430: linep *yplus = 0; /* page from this line - if zero, from dot */ 431: #endif 432: 433: /* 434: * globals 435: */ 436: 437: block iblock = -1, /* block number of input buffer */ 438: oblock = -1; /* output buffer block number */ 439: 440: char *braelist[NBRA], /* bracket \( \) end list */ 441: *braslist[NBRA], /* bracket \( \) start list */ 442: dotbak[] = ".bak", 443: dotedt[] = ".edt", /* "file saved" file */ 444: dothup[] = ".hup", 445: dotint[] = ".int", 446: dottrm[] = ".trm", 447: *dots[] = { dothup, dottrm, dotedt, dotint, 0 }, 448: expbuf[ESIZE + 4], /* expression buffer */ 449: file[FNSIZE], /* filename buffer */ 450: #ifndef ALLOC 451: genbuf[LBSIZE], /* generated line buffer */ 452: #else 453: *genbuf, /* generated line buffer pointer */ 454: #endif 455: ibuff[BLKSIZE], /* input tmpfile buffer */ 456: line[TTSIZE + 4], /* terminal output buffer */ 457: #ifndef ALLOC 458: linebuf[LBSIZE], /* line buffer for getline()/putline() */ 459: #else 460: *linebuf, /* line buffer for getline()/putline() */ 461: #endif 462: no[] = "no ", 463: null[] = "", /* "" */ 464: obuff[BLKSIZE], /* output tmpfile buffer */ 465: off[] = "off", 466: on[] = "on", 467: prcntu[] = "%u\n", /* %u */ 468: quote_s[] = "s", /* "s" */ 469: rhsbuf[LBSIZE / 2], /* right-hand-side expression buffer */ 470: savedfile[FNSIZE], /* saved filename */ 471: tempfile[FNSIZE], /* scratch area for filename */ 472: 473: *editor, /* argv[0] */ 474: *e_prompt = PROMPT,/* editor command prompt */ 475: *fmtlno = "%7u=",/* format for line-number output */ 476: *globp, /* global command pointer */ 477: *linp = line, /* line pointer */ 478: *linebp, 479: *loc1, /* start pointer of & string */ 480: *loc2, /* end pointer of & string */ 481: *locs, 482: *nextip, 483: *overfile, /* filename mode was changed on */ 484: *tfname = "/tmp/e00000",/* "buffer" name */ 485: *ver = TTL; /* ID message */ 486: 487: charac lastc = 0, /* peekc set to lastc on interrupt */ 488: peekc = 0; /* one character pushback */ 489: 490: int brcount = 1, /* number of lines to output on "newline" */ 491: col = 0, /* column counter for calculating line wraps */ 492: line_num, /* integer for line number on output */ 493: modcount = MODCNT,/* number of mods before auto-write */ 494: overmode, /* mode of overridden file */ 495: mods = 0, /* number of mods */ 496: nbra = 0, /* count of currently defined \( \) pairs */ 497: ninbuf, /* bytes in tmpfile input buffer */ 498: nleft, /* bytes remaining in tmpfile output buffer */ 499: num_reads = 0, /* indicator to aid text_modified-- */ 500: /* first read isn't really a modify */ 501: pcount = PAGSIZ-1,/* number of lines to display on ":" command */ 502: s_cnt = 0, /* counter for "s/str1/str2/nn" */ 503: s_tmp = 0, /* scratch var for same */ 504: savf, /* counter for auto-write stuff */ 505: text_modified = 0;/* flag--on if text was modified */ 506: 507: filedes fout = 1, /* putchar() writes on this fildes */ 508: io = 0, /* file descriptor for "r", "w", "e" */ 509: tfile = -1; /* file des for "buffer" */ 510: 511: flag aflg = 0, /* "apl mode" flag */ 512: appflg = 0, /* append flag (if "w>file") */ 513: badf = 0, /* bad read on temp file */ 514: bflg = 0, /* "back-up" flag -- Generate back-up file */ 515: bflg2 = 0, /* Secondary "back-up" flag */ 516: circfl, /* reg expr started with ^ */ 517: curt = 0, /* short error messages -- ie: '?' */ 518: deltflg = 0, /* don't delete .edt file upon exit */ 519: eflg = 0, /* echo input flag */ 520: eof = 0, /* eof was last char typed */ 521: fflg = 0, /* "create" flag */ 522: globf2 = 0, /* kludge for -f */ 523: #ifdef HUGE 524: hugef = 0, /* -h is process huge file */ 525: hugef2 = 0, /* getblock() conversion to huge */ 526: #endif 527: hupflag = 0, /* hangup signal has been caught */ 528: ichanged, /* ibuf has been changed */ 529: iflg = 0, /* file.int and exit on interrupt */ 530: immflg = 0, /* immediate flag -- q and e */ 531: io_w = 0, /* writing in progress */ 532: listf = 0, /* list control chars explicitly */ 533: noshell = 0, /* true if no ! command allowed */ 534: over = 0, /* override permissions on write if possible */ 535: pflag, /* print line after doing command */ 536: pipef = 0, /* for talking to pipes */ 537: prompt1 = 1, /* flag--enable or disable line-num prompts */ 538: prompt2 = 1, /* flag--enable or disable ALL prompting */ 539: reading = 0, /* waiting on tty read */ 540: seekf = 0, /* no seek to EOF on error on fd 0 */ 541: termflg = 0; /* if termination signal (15) occurred */ 542: 543: linep *addr1, /* lower line bound */ 544: *addr2, /* upper line bound */ 545: *dol, /* last line in file */ 546: *dot, /* "current" line */ 547: *dotdot, /* last different "dot" */ 548: *endcore, /* current end of memory */ 549: *fendcore, /* start of dynamic area */ 550: *lastdot, /* last "dot" */ 551: names['z' - 'a' + 1], /* "k" command markers */ 552: #ifdef EXTMARK 553: names2['z' - 'a' + 1], /* "k" command markers */ 554: #endif 555: *old_a1, /* previous address bounds */ 556: *old_a2, 557: tline, /* pointer to next available pos in tmpfile */ 558: *zero; /* anchor line for all other lines */ 559: 560: /* 561: * magic constants used in many places 562: */ 563: 564: #ifdef pdp11 565: # define _1a ~0377 566: # define _2a 0400 567: # define _3a 0377 568: # define _4a 0774 569: # define _5a 255 570: # define _6a 077776 571: # define _1b ~0177 572: # define _2b 0200 573: # define _3b 0777 574: # define _4b 0774 575: # define _5b 511 576: # define _6b 077777 577: #endif 578: 579: #ifdef vax 580: # define _1a ~0377 581: # define _2a 0400 582: # define _3a 077777777 583: # define _4a 0774 584: # define _5a 65535 585: # define _6a 077777776 586: #endif 587: 588: #ifdef HUGE 589: int _1[] = { _1a, _1b }, /* tl &= _1; getline() */ 590: _2[] = { _2a, _2b }, /* tl += _2; getline()... */ 591: _3[] = { _3a, _3b }, /* bno = ... & _3; getblock() */ 592: _4[] = { _4a, _4b }, /* off = ... & _4; getblock() */ 593: _5[] = { _5a, _5b }, /* if (bno >= _5)... getblock() */ 594: _6[] = { _6a, _6b }; /* tline += ... & _6; */ 595: #else 596: # define _1 _1a 597: # define _2 _2a 598: # define _3 _3a 599: # define _4 _4a 600: # define _5 _5a 601: # define _6 _6a 602: #endif 603: 604: /* 605: * error messages 606: * 607: * (there are more than these) 608: */ 609: 610: char *errtext[] = { 611: /* 0 */ "syntax is k[a-z]", 612: /* 1 */ "illegal command format", 613: /* 2 */ "no command", 614: /* 3 */ "no tab character", 615: /* 4 */ "can't change filename", 616: /* 5 */ "file name syntax", 617: /* 6 */ "recursive \"@\" command", 618: /* 7 */ "null file name illegal", 619: /* 8 */ "unrecognized command", 620: /* 9 */ "no tabs set", 621: /* 10 */ "global command not allowed with huge file", 622: /* 11 */ "file name too long", 623: /* 12 */ "expanded line too long", 624: /* 13 */ "no such line", 625: /* 14 */ "can't fork", 626: /* 15 */ "can't write to process", 627: /* 16 */ "no lines", 628: /* 17 */ "backup(FILE) error (?)", 629: /* 18 */ "string not found", 630: /* 19 */ " ' must be followed by [a-z]", 631: /* 20 */ "address syntax error", 632: /* 21 */ "lower address bound > upper one", 633: /* 22 */ "address illegal here", 634: /* 23 */ "non-existent line number", 635: /* 24 */ "bottom of file reached", 636: /* 25 */ "command syntax error", 637: /* 26 */ "\"advance\" error (?)", 638: /* 27 */ "null string illegal", 639: /* 28 */ "destination not found", 640: /* 29 */ "INTERRUPT!", 641: /* 30 */ "line too long", 642: /* 31 */ "missing destination address", 643: /* 32 */ "I/O error--file not saved!", 644: /* 33 */ "file overflows available memory", 645: /* 34 */ "file too large (TMPERR)", 646: /* 35 */ "I/O error on temp file (TMPERR)", 647: /* 36 */ "open error on temp file (TMPERR)", 648: /* 37 */ "recursive global command", 649: /* 38 */ "global command list too long", 650: /* 39 */ "substitute pattern not found", 651: /* 40 */ "missing substring", 652: /* 41 */ "string2 too long", 653: /* 42 */ "substring too long", 654: /* 43 */ "substituted string too long", 655: /* 44 */ "too many \\(", 656: /* 45 */ "unbalanced \\( \\)", 657: /* 46 */ "\\n illegal", 658: /* 47 */ "unimplemented feature", 659: /* 48 */ "[nothing written]", 660: /* 49 */ "pattern too complicated", 661: /* 50 */ "can't create temp file (TMPERR)", 662: /* 51 */ "bad directory", 663: /* 52 */ "no ! allowed", 664: /* 53 */ "can't read ", 665: /* 54 */ "can't create ", 666: /* 55 */ "%u line%s\n", 667: /* 56 */ "[file saved]", 668: /* 57 */ "\nHangup!\n", 669: /* 58 */ "\nTerminated...\n", 670: /* 59 */ "EOF illegal here", 671: /* 60 */ "can't join to line 0", 672: /* 61 */ "! not allowed with global command", 673: /* 62 */ "no filename specified", 674: /* 63 */ "not enough \\( \\) pairs", 675: /* 64 */ "can't create pipe file (PIPERR)", 676: /* 65 */ "open error on pipe file (PIPERR)", 677: /* 66 */ "can't checkpoint", 678: /* 67 */ "can't recover", 679: }; 680: #define NERR (sizeof errtext / sizeof errtext[0]) 681: 682: /* 683: * ! error strings 684: */ 685: 686: char *status[] = { 687: /* 0 */ 0, 688: /* 1 */ "hangup", 689: /* 2 */ "interrupt", 690: /* 3 */ "quit", 691: /* 4 */ "illegal instruction", 692: /* 5 */ "bpt", 693: /* 6 */ "iot", 694: /* 7 */ "emt", 695: /* 8 */ "fpp", 696: /* 9 */ "killed", 697: /* 10 */ "bus error", 698: /* 11 */ "memory fault", 699: /* 12 */ "bad sys call", 700: /* 13 */ "broken pipe", 701: /* 14 */ "alarm", 702: /* 15 */ "terminated", 703: #ifdef pdp11 704: /* 16 */ "time limit", 705: #else 706: /* 16 */ 0, 707: /* 17 */ "stopped", 708: /* 18 */ "terminal stop", 709: /* 19 */ "continue", 710: /* 20 */ "child status changed", 711: /* 21 */ "terminal input", 712: /* 22 */ "terminal output", 713: /* 23 */ "terminal input ready", 714: /* 24 */ "cpu timelimit exceeded", 715: /* 25 */ "filesize limit exceeded", 716: #endif 717: }; 718: #define NSTR (sizeof status / sizeof status[0]) 719: 720: #define putsn(x) (puts2((x)),putchar('\n')) 721: #define min(x,y) ((x)<(y)?(x):(y)) 722: #define max(x,y) ((x)>(y)?(x):(y)) 723: 724: /* 725: * function declarations 726: */ 727: 728: linep *findmark(); 729: char *getblock(); 730: long lseek(); 731: func signal(); 732: #ifndef CKPT 733: int badsig(), 734: #else 735: int checkpoint(), 736: #endif 737: hangup(), 738: mail(), 739: onintr(), 740: term(); 741: 742: /* 743: * signals 744: */ 745: 746: struct sigtab { 747: int s_sig, 748: s_func; 749: } sigtab1[] = { 750: #ifdef CKPT 751: SIGILL, checkpoint, 752: SIGIOT, checkpoint, 753: SIGEMT, checkpoint, 754: SIGFPE, checkpoint, 755: SIGBUS, checkpoint, 756: SIGSEGV, checkpoint, 757: SIGSYS, checkpoint, 758: #else 759: SIGILL, badsig, 760: SIGIOT, badsig, 761: SIGEMT, badsig, 762: SIGFPE, badsig, 763: SIGBUS, badsig, 764: SIGSEGV, badsig, 765: SIGSYS, badsig, 766: #endif 767: 0, 0, 768: }, sigtab2[] = { 769: SIGTRC, mail, 770: SIGHUP, hangup, 771: SIGTRM, term, 772: SIGINT, onintr, 773: 0, 0, 774: }; 775: 776: main(argc, argv) 777: char **argv; 778: { 779: #ifdef CKPT 780: extern checkpoint(); 781: #else 782: extern badsig(); 783: #endif 784: extern onintr(), hangup(), mail(), term(); 785: #ifdef DEBUG 786: #ifdef EXPDMP 787: extern expdmp(); 788: #endif 789: #endif 790: register n; 791: register char *p1, *p2, *ep; 792: func savint; 793: 794: signal(SIGQIT, 1); 795: savint = signal(SIGINT, 1); 796: ep = *argv; 797: #ifdef XED 798: p1 = ep; 799: p2 = p1; 800: while (*p1) 801: if (*p1++ == '/' && *p1 && *p1 != '/') 802: p2 = p1; 803: p1 = p2; 804: *argv = p2; 805: n = 0; 806: while (*p1) 807: if (*p1++ == 'x') { /* xed .vs. eed */ 808: ++n; 809: break; 810: } 811: if (n == 0) { 812: e_prompt = EEDPROMPT; 813: ver = EEDTTL; 814: help = EEDHELP; 815: dumbf = 1; 816: } 817: #ifdef LOG 818: logstats.l_xed = n; 819: #endif 820: #endif 821: prompt2 = istty(0); 822: #ifdef V7 823: if (getenv("_OVERWRITE_")) 824: ++over; 825: #endif 826: while (--argc) 827: if (**++argv == '-') { 828: while (*++*argv) { 829: switch (**argv) { 830: case '!': /* no ! allowed */ 831: noshell = 1; 832: break; 833: #ifdef APLMAP 834: case 'A': /* apl char mapping */ 835: aplmap = 1; 836: errtext[29] = "G interrupt G"; 837: p1 = ver; 838: while (*p1) { 839: if ('A' <= *p1 && *p1 <= 'Z') 840: *p1 |= 040; 841: ++p1; 842: } 843: #endif 844: case 'a': /* apl mode */ 845: aflg = 1; 846: fmtlno = "[ %u ]\t"; 847: #ifdef DUMB 848: dumbf = 1; 849: #endif 850: #ifdef XED 851: #ifdef TTL_NL 852: ver[TTL_NL] = 0; 853: #endif 854: #endif 855: break; 856: case 'b': /* file.bak on entry */ 857: bflg = 1; 858: bflg2 = 1; 859: break; 860: #ifdef PAGE 861: case 'c': /* crt depth in lines */ 862: ++*argv; 863: n = argnum(argv); 864: if (n >= 0) 865: pcount = n; 866: break; 867: #endif 868: case 'd': /* don't delete .edt file */ 869: deltflg = 1; 870: break; 871: case 'e': /* echo input commands */ 872: eflg = 1; 873: break; 874: case 'f': /* create mode */ 875: fflg = 1; 876: break; 877: #ifdef HUGE 878: case 'h': /* edit "huge" file */ 879: hugef = 1; 880: break; 881: #endif 882: case 'i': /* file.int on interrupt */ 883: iflg = 1; 884: break; 885: case 'k': /* kill verbose messages */ 886: curt = 1; 887: break; 888: #ifdef EOL 889: case 'l': /* set eol char to "x" */ 890: if (*++*argv) 891: eol = **argv; 892: else 893: --*argv; 894: break; 895: #endif 896: case 'm': /* mod cnt for autosave */ 897: ++*argv; 898: n = argnum(argv); 899: if (n >= 0) 900: modcount = n; 901: break; 902: case 'n': /* no line num */ 903: prompt1 = 0; 904: break; 905: case 'o': /* no seek to EOF on error */ 906: seekf = 1; 907: break; 908: case 'p': /* force prompts for pipe */ 909: pipef = 1; 910: prompt2 = 1; 911: break; 912: case 'q': /* don't inhibit quits */ 913: signal(SIGQIT, 0); 914: break; 915: #ifdef DUMB 916: case 'r': /* spcl char meaning */ 917: dumbf ^= 01; 918: break; 919: #endif 920: case 's': /* silent mode */ 921: prompt2 = 0; 922: break; 923: #ifdef TABS 924: case 't': /* tab char */ 925: if (*++*argv) 926: tabc = **argv; 927: else 928: --*argv; 929: break; 930: #endif 931: #ifdef TABS 932: case 'v': /* tab fill char */ 933: if (*++*argv) 934: tabfill = **argv; 935: else 936: --*argv; 937: break; 938: #endif 939: #ifdef PAGE 940: case 'w': /* crt width */ 941: ++*argv; 942: n = argnum(argv); 943: if (--n >= 2) 944: ccount = n; 945: break; 946: #endif 947: #ifdef YINT 948: case 'y': /* page on interrupt */ 949: yflg = 1; 950: break; 951: #endif 952: #ifdef USE 953: case '@': /* set "@" filename */ 954: p2 = altfile; 955: p1 = ++*argv; 956: while (*p1 && p2 < &altfile[FNSIZE - 2]) 957: *p2++ = *p1++; 958: if (*p1) { 959: p2 = altfile; 960: putsn(errtext[11]); 961: } 962: *p2 = '\0'; 963: *argv = &p1[-1]; 964: break; 965: #endif 966: #ifdef ALLOC 967: case 'B': /* line buffer size */ 968: ++*argv; 969: n = argnum(argv); 970: if (n >= LBSIZE) 971: lbsize = n; 972: break; 973: #endif 974: #ifdef DEBUG 975: case 'D': /* trace mode -- debug */ 976: tflg = 1; 977: break; 978: #ifdef EXPDMP 979: case 'Q': /* show pattern on quit */ 980: signal(SIGQIT, expdmp); 981: break; 982: #endif 983: #endif 984: #ifdef XED 985: case 'I': /* suppress ID message */ 986: ver = 0; 987: break; 988: case 'P': /* prompt */ 989: p1 = *argv; 990: e_prompt = ++p1; 991: while (*p1++); 992: *argv = &p1[-2]; 993: break; 994: case 'L': /* line number prompt */ 995: p1 = *argv; 996: fmtlno = ++p1; 997: while (*p1++); 998: *argv = &p1[-2]; 999: break; 1000: case 'C': /* screen-clear */ 1001: p1 = *argv; 1002: clears = ++p1; 1003: while (*p1++); 1004: *argv = &p1[-2]; 1005: break; 1006: #ifdef CKPT 1007: case 'R': /* recover */ 1008: ++*argv; 1009: if ((recovry = argnum(argv)) == 0) 1010: recovry = 1; 1011: break; 1012: #endif 1013: case 'O': /* over-ride write perm */ 1014: over ^= 01; 1015: break; 1016: case 'T': /* temp filename */ 1017: p1 = *argv; 1018: tfname = ++p1; 1019: #ifdef PIPE 1020: while (*p1) 1021: if (*p1++ == ':') { 1022: p1[-1] = '\0'; 1023: pfname = p1; 1024: #ifdef CKPT 1025: break; 1026: #endif 1027: } 1028: #endif 1029: #ifdef CKPT 1030: while (*p1) 1031: if (*p1++ == ':') { 1032: p1[-1] = '\0'; 1033: cfname = p1; 1034: } 1035: #endif 1036: *argv = &p1[-1]; 1037: break; 1038: #endif 1039: default: /* tabs stops/illegals */ 1040: if (!**argv || **argv == '-' 1041: #ifdef TABS 1042: || **argv == ',' 1043: #endif 1044: ) 1045: break; 1046: #ifdef TABS 1047: if (**argv < '0' || 1048: **argv > '9') { 1049: #endif 1050: printf("bad flag: -%c\n", 1051: **argv); 1052: exit(1); 1053: #ifdef TABS 1054: } 1055: n = argnum(argv); 1056: settab(n); 1057: #endif 1058: } 1059: } 1060: } else { 1061: p1 = *argv; 1062: p2 = savedfile; 1063: while (*p2++ = *p1++) 1064: if (p2 >= &savedfile[FNSIZE - 2]) { 1065: putsn(errtext[11]); 1066: exit(1); 1067: } 1068: globf2 = 1; 1069: if (fflg) 1070: globp = "a\n"; 1071: else 1072: globp = "r\n"; 1073: } 1074: 1075: 1076: #ifdef YINT 1077: if (iflg) 1078: yflg = 0; 1079: #endif 1080: #ifdef ALLOC 1081: linebuf = sbrk(lbsize); 1082: genbuf = sbrk(lbsize); 1083: #endif 1084: fendcore = sbrk(0); 1085: #ifdef CKPT 1086: if ((n = recovry) == 0) 1087: #endif 1088: n = getpid(); 1089: #ifdef PIPE 1090: tmpname(pfname, n); 1091: #endif 1092: #ifdef CKPT 1093: tmpname(cfname, n); 1094: #endif 1095: tmpname(tfname, n); /* MUST be last call to tmpname */ 1096: #ifdef LOG 1097: logstats.l_uid = getuid(); 1098: time(&logstats.lt_start); 1099: if (prompt2) 1100: ++logstats.l_inter; 1101: if (aflg) 1102: logstats.l_xed = 2; /* magic num for apled */ 1103: #endif 1104: #ifdef CKPT 1105: if (recovry) 1106: recover(); 1107: #endif 1108: editor = ep; 1109: if (prompt2) { 1110: #ifdef CMDS 1111: if ((cmd = open(cmdfil, 1)) > 0) 1112: lseek(cmd, 0L, 2); 1113: else 1114: cmd = 0; 1115: #endif 1116: if (ver) 1117: putsn(ver); /* XED V0.00 ... */ 1118: flush_buf(); 1119: } else 1120: modcount = 0; 1121: #ifdef CMDS 1122: if (cmd && *savedfile) { 1123: write(cmd, "e,", 2); 1124: p1 = savedfile; 1125: while (*p1++); 1126: write(cmd, savedfile, --p1 - savedfile); 1127: write(cmd, "\n", 1); 1128: } 1129: #endif 1130: signals(sigtab1); 1131: setexit(); 1132: if (((int)savint & 01) == 0) 1133: signals(sigtab2); 1134: #ifdef YINT 1135: else 1136: yflg = 0; 1137: #endif 1138: #ifdef CKPT 1139: if (!recovry) 1140: #endif 1141: init(); 1142: setexit(); 1143: cant: do { 1144: commands(0); 1145: } while (are_you_sure()); 1146: if (immflg == 0) { 1147: if (fflg) 1148: if (backup(FILE)) 1149: text_modified = 0; 1150: else 1151: goto cant; 1152: if (text_modified == 0) 1153: backup(-TMP); 1154: else if (modcount && eof) 1155: if (backup(TMP) && prompt2) 1156: if (!curt) 1157: putsn(errtext[56]); 1158: } 1159: delexit(0); 1160: } 1161: 1162: abort() { 1163: register char *p; 1164: register charac c; 1165: 1166: setnoaddr(); 1167: peekc = 0; 1168: p = "ort\n"; 1169: while (*p) 1170: if ((c = getchar()) != *p++) { 1171: peekc = c; 1172: errmsg(25); 1173: } 1174: #ifdef LOG 1175: ++logstats.lc_abort; 1176: #endif 1177: delexit(1); 1178: } 1179: 1180: linep * 1181: address() { 1182: register minus; 1183: register charac c; 1184: register linep *a1, *start; 1185: register n, relerr; 1186: 1187: minus = 0; 1188: a1 = 0; 1189: for ever { 1190: c = getchar(); 1191: if ('0' <= c && c <= '9') { 1192: peekc = c; 1193: n = getnum(); 1194: if (a1 == 0) { 1195: a1 = zero; 1196: n += aflg; 1197: #ifdef LOG 1198: if (!globp) 1199: ++logstats.la_num; 1200: #endif 1201: } 1202: if (minus < 0) 1203: n = -n; 1204: a1 += n; 1205: minus = 0; 1206: continue; 1207: } 1208: relerr = 0; 1209: if (a1 || minus) 1210: relerr++; 1211: switch (c) { 1212: case ' ': 1213: case '\t': 1214: continue; 1215: 1216: case '+': 1217: minus += brcount; 1218: if (a1 == 0) 1219: a1 = dot; 1220: #ifdef LOG 1221: if (!globp) 1222: ++logstats.la_plus; 1223: #endif 1224: continue; 1225: 1226: case '-': 1227: case '^': /* for upwards compatibility */ 1228: minus -= brcount; 1229: if (a1 == 0) 1230: a1 = dot; 1231: #ifdef LOG 1232: if (!globp) 1233: if (c == '^') 1234: ++logstats.la_caret; 1235: else 1236: ++logstats.la_minus; 1237: #endif 1238: continue; 1239: 1240: /* search: */ 1241: case '?': 1242: minus++; 1243: case '/': 1244: compile(c); 1245: if (a1 == 0) 1246: a1 = dot; 1247: if (a1 < zero) 1248: a1 = zero; 1249: if (a1 > dol) 1250: a1 = dol; 1251: start = a1; 1252: #ifdef LOG 1253: if (!globp) 1254: if (minus) 1255: ++logstats.la_query; 1256: else 1257: ++logstats.la_slash; 1258: #endif 1259: for ever { 1260: if (minus == 0) { 1261: if (++a1 > dol) 1262: a1 = zero; 1263: } else { 1264: if (--a1 < zero) 1265: a1 = dol; 1266: } 1267: if (execute(0, a1)) { 1268: minus = 0; 1269: relerr = 0; 1270: break; 1271: } 1272: if (a1 == start) 1273: errmsg(18); 1274: } 1275: break; 1276: 1277: case '$': 1278: a1 = dol; 1279: #ifdef LOG 1280: if (!globp) 1281: ++logstats.la_dol; 1282: #endif 1283: break; 1284: 1285: case '.': 1286: if ((peekc = getchar()) == '.') { 1287: peekc = 0; 1288: a1 = dotdot; 1289: #ifdef LOG 1290: if (!globp) 1291: ++logstats.la_dotdot; 1292: #endif 1293: } else { 1294: a1 = dot; 1295: #ifdef LOG 1296: if (!globp) 1297: ++logstats.la_dot; 1298: #endif 1299: } 1300: break; 1301: 1302: case '\'': 1303: if (((c = getchar()) | 040) < 'a' || 1304: (c | 040) > 'z') { 1305: peekc = c; 1306: errmsg(19); 1307: } 1308: c |= 040; 1309: #ifdef LOG 1310: if (!globp) 1311: ++logstats.la_quote; 1312: #endif 1313: casemark: 1314: #ifdef EXTMARK 1315: n = 3; 1316: if ((peekc = getchar()) == '^') { 1317: n = 1; 1318: peekc = 0; 1319: } else if (peekc == '$') { 1320: n = 2; 1321: if (names2[c - 'a'] == 0) 1322: n = 1; 1323: peekc = 0; 1324: } 1325: if (n & 01) 1326: if ((a1=findmark(names[c-'a'],0))==0) { 1327: a1 = dol; 1328: n = 0; 1329: } 1330: if (n > 1 && names2[c - 'a']) { 1331: if (n == 3) { 1332: if (addr1 || addr2) 1333: errmsg(20); 1334: addr1 = a1; 1335: } 1336: a1 = findmark(names2[c - 'a'], dol); 1337: if (n == 2) 1338: break; 1339: addr2 = a1; 1340: return(0); 1341: } 1342: #else 1343: a1 = findmark(names[c - 'a'], dol); 1344: #endif 1345: break; 1346: 1347: case '=': 1348: #ifdef LOG 1349: if (!globp) 1350: ++logstats.la_equal; 1351: #endif 1352: if ((peekc = getchar()) == '^') 1353: a1 = old_a1; 1354: else if (peekc == '$') 1355: a1 = old_a2; 1356: else { 1357: if (addr1 || addr2 || a1) 1358: errmsg(20); 1359: addr1 = old_a1; 1360: addr2 = old_a2; 1361: return(0); 1362: } 1363: peekc = 0; 1364: break; 1365: 1366: default: 1367: if ('A' <= c && c <= 'Z') { 1368: c |= 040; 1369: #ifdef LOG 1370: if (!globp) 1371: ++logstats.la_letter; 1372: #endif 1373: goto casemark; 1374: } 1375: peekc = c; 1376: if (a1 == 0) 1377: if (c == ',' || c == ';') 1378: if (dot + 1 > dol) 1379: return(dol); 1380: else 1381: return(dot + 1); 1382: else 1383: return(0); 1384: a1 += minus; 1385: if (a1 < zero) 1386: a1 = zero + (zero != dol); 1387: else if (a1 > dol) 1388: a1 = dol; 1389: return(a1); 1390: } 1391: if (relerr) 1392: errmsg(20); 1393: } 1394: } 1395: 1396: advance(alp, aep) { 1397: register char *lp, *ep, *curlp; 1398: register s_sav, i; 1399: 1400: lp = alp; 1401: ep = aep; 1402: for ever switch (*ep++) { 1403: 1404: case CCHR: 1405: if (*ep++ == *lp++) 1406: continue; 1407: return(0); 1408: 1409: case CDOT: 1410: if (*lp++) 1411: continue; 1412: return(0); 1413: 1414: case CDOL: 1415: if (*lp == 0) 1416: continue; 1417: return(0); 1418: 1419: case CEOF: 1420: loc2 = lp; 1421: if (--s_tmp > 0) 1422: return(0); 1423: return(1); 1424: 1425: case CCL: 1426: case NCCL: 1427: if (cclass(ep, *lp++, ep[-1] == CCL)) { 1428: ep += *ep; 1429: continue; 1430: } 1431: return(0); 1432: 1433: case CBRA: 1434: braslist[*ep++] = lp; 1435: continue; 1436: 1437: case CKET: 1438: braelist[*ep++] = lp; 1439: continue; 1440: 1441: case CBACK: 1442: if (braelist[i = *ep++] == 0) 1443: errmsg(63); 1444: if (backref(i, lp)) { 1445: lp += braelist[i] - braslist[i]; 1446: continue; 1447: } 1448: return(0); 1449: 1450: case CBACK | STAR: 1451: if (braelist[i = *ep++] == 0) 1452: errmsg(63); 1453: curlp = lp; 1454: while (backref(i, lp)) 1455: lp += braelist[i] - braslist[i]; 1456: while (lp >= curlp) { 1457: if (advance(lp, ep)) 1458: return(1); 1459: lp -= braelist[i] - braslist[i]; 1460: } 1461: continue; 1462: 1463: case CDOT | STAR: 1464: curlp = lp; 1465: while (*lp++); 1466: goto star; 1467: 1468: case CCHR | STAR: 1469: curlp = lp; 1470: while (*lp++ == *ep); 1471: ep++; 1472: goto star; 1473: 1474: case CCL | STAR: 1475: case NCCL | STAR: 1476: curlp = lp; 1477: while (cclass(ep, *lp++, ep[-1] == (CCL | STAR))); 1478: ep += *ep; 1479: /* goto star; */ 1480: 1481: star: 1482: s_sav = s_tmp; 1483: do { 1484: if (--lp == locs) 1485: break; 1486: if (advance(lp, ep)) 1487: return(1); 1488: s_tmp = s_sav; 1489: } while (lp > curlp); 1490: --s_tmp; 1491: return(0); 1492: 1493: default: 1494: errmsg(-26); 1495: } 1496: } 1497: 1498: linep * 1499: append(f, a, single, bkpf) 1500: func f; 1501: linep *a; 1502: { 1503: register linep *a1, *a2, *rdot; 1504: register nline, tl; 1505: 1506: nline = 0; 1507: dot = a; 1508: while ((*f)(single) == 0) { 1509: if (dol >= endcore) { 1510: if (sbrk(1024) == -1) 1511: errmsg(33); 1512: endcore = (int)endcore + 1024; 1513: } 1514: tl = putline(); 1515: nline++; 1516: a1 = ++dol; 1517: a2 = a1 + 1; 1518: rdot = ++dot; 1519: while (a1 > rdot) 1520: *--a2 = *--a1; 1521: *rdot = tl; 1522: if (bkpf) { 1523: mods++; 1524: backchk(); 1525: } 1526: if (single) 1527: break; 1528: } 1529: return(nline); 1530: } 1531: 1532: are_you_sure() { 1533: #ifdef USE 1534: if (alt) 1535: return(1); 1536: #endif 1537: if (!text_modified || fflg || immflg || zero == dol) 1538: return(0); 1539: return(yes_no(curt? "?forget" : 1540: "did you forget to save your text", 1, 1, 0)); 1541: } 1542: 1543: argnum(ap) 1544: char **ap; 1545: { 1546: register n; 1547: register char *p; 1548: 1549: p = *ap; 1550: n = 0; 1551: while ('0' <= *p && *p <= '9') 1552: n = n * 10 + *p++ - '0'; 1553: *ap = --p; 1554: return(n); 1555: } 1556: 1557: backchk() { 1558: if (modcount == 0) 1559: return; 1560: if (mods >= modcount) { 1561: mods = 0; 1562: #ifdef EOL 1563: if (backup(TMP) && prompt2 && prompt3) 1564: #endif 1565: #ifndef EOL 1566: if (backup(TMP) && prompt2) 1567: #endif 1568: if (!curt) 1569: putsn(errtext[56]); 1570: } 1571: } 1572: 1573: backref(an, alp) 1574: char *alp; 1575: { 1576: register n; 1577: register char *bp, *lp; 1578: 1579: n = an; 1580: bp = braslist[n]; 1581: lp = alp; 1582: while (*bp++ == *lp++) 1583: if (bp >= braelist[n]) 1584: return(1); 1585: return(0); 1586: } 1587: 1588: backup(af) { 1589: register char *p1, *p2, *t2; 1590: register linep *a1, *a2; 1591: register func savint, savhup; 1592: 1593: if (io) { 1594: putsn("******** backup: I/O in progress"); 1595: return(0); 1596: } 1597: flush_buf(); 1598: p1 = savedfile; 1599: t2 = p2 = file; 1600: while (*p2 = *p1++) 1601: if (*p2++ == '/') 1602: t2 = p2; 1603: if (p2 > t2 + 10) 1604: p2 = t2 + 10; 1605: if (af != FILE && p2 >= &file[FNSIZE - 6]) 1606: errmsg(11); 1607: switch (af < 0? -af : af) { 1608: case FILE: p1 = 0; break; 1609: case TMP: p1 = dotedt; break; 1610: case INT: p1 = dotint; break; 1611: case HUP: p1 = dothup; break; 1612: case BAK: p1 = dotbak; break; 1613: case TRM: p1 = dottrm; break; 1614: default: errmsg(-17); 1615: } 1616: if (p1) 1617: while (*p2++ = *p1++); 1618: if (af < 0) { 1619: if (deltflg) 1620: return(1); 1621: return(!unlink(file)); 1622: } 1623: if (dol == zero && !fflg) { 1624: if (af == FILE) 1625: if (curt) 1626: putsn("?48"); 1627: else 1628: putsn(errtext[48]); 1629: return(1); 1630: } 1631: if (dol == zero) 1632: return(1); 1633: if (!iflg) { 1634: savhup = signal(SIGHUP, 1); 1635: savint = signal(SIGINT, 1); 1636: } 1637: if (over && af == FILE) 1638: override(); 1639: io = create(file, (af == FILE? MODE : LMODE)); 1640: if (overfile) { 1641: chmod(overfile, overmode); 1642: overfile = 0; 1643: } 1644: if (io < 0) { 1645: io = 0; 1646: if (af != TMP) { 1647: if (curt) 1648: putsn("?54"); 1649: else { 1650: puts2(errtext[54]); 1651: putsn(file); 1652: } 1653: } 1654: if (!iflg) { 1655: signal(SIGHUP, savhup); 1656: signal(SIGINT, savint); 1657: } 1658: return(0); 1659: } 1660: io_w++; 1661: a1 = addr1; 1662: a2 = addr2; 1663: addr1 = zero + 1; 1664: addr2 = dol; 1665: putfile(); 1666: close(io); 1667: io = 0; 1668: io_w = 0; 1669: addr1 = a1; 1670: addr2 = a2; 1671: if (!iflg) { 1672: signal(SIGHUP, savhup); 1673: signal(SIGINT, savint); 1674: } 1675: return(1); 1676: } 1677: 1678: #ifndef CKPT 1679: badsig(an) { 1680: register n; 1681: 1682: if (n = backup(TMP)) 1683: putsn(errtext[56]); 1684: puts(" Fatal Signal: "); 1685: if (0 < an && an < NSTR && status[an]) 1686: putsn(status[an]); 1687: else 1688: printf("%d\n", an); 1689: flush_buf(); 1690: if (n) 1691: exit(1); 1692: error(); 1693: } 1694: #endif 1695: 1696: blkio(b, buf, iofcn) 1697: func iofcn; 1698: { 1699: lseek(tfile, 512L * b, 0); 1700: if ((*iofcn)(tfile, buf, BLKSIZE) != BLKSIZE) { 1701: badf++; 1702: errmsg(-35); 1703: } 1704: } 1705: 1706: cclass(aset, ac, af) 1707: char *aset; 1708: charac ac; 1709: { 1710: register char *set; 1711: register n; 1712: register charac c, m; 1713: 1714: set = aset; 1715: if ((c = ac) == 0) 1716: return(0); 1717: n = *set++; 1718: while (--n) 1719: if (set[1] == '-' && n > 2) { 1720: c = min(set[0], set[2]); 1721: m = max(set[0], set[2]); 1722: do { 1723: if (c == ac) 1724: return(af); 1725: } while (++c != m); 1726: set += 2; 1727: c = ac; 1728: } else 1729: if (*set++ == c) 1730: return(af); 1731: return(!af); 1732: } 1733: 1734: #ifdef CKPT 1735: checkpoint(asig) { 1736: extern etext; 1737: register filedes f; 1738: register char *p; 1739: register func savint, savqit; 1740: int n; 1741: 1742: savint = signal(SIGINT, 1); 1743: savqit = signal(SIGQIT, 1); 1744: p = &etext; /* won't work for -n, -i, or -z */ 1745: n = (char *)dol - p; 1746: n += sizeof (int); 1747: if ((f = create(cfname, LMODE)) < 0 || 1748: write(f, &n, sizeof n) != sizeof n) { 1749: n = 66; 1750: goto cerror; 1751: } 1752: #ifdef pdp11 /* 16 bit byte count only */ 1753: if (n < 0) { 1754: if (write(f, etext, 32256) != 32256) { 1755: n = 66; 1756: goto cerror; 1757: } 1758: n -= 32256; /* 63 blocks, since 64 is < 0 */ 1759: p += 32256; 1760: } 1761: #endif 1762: if (write(f, p, n) != n) 1763: n = 66; 1764: else 1765: n = 0; 1766: cerror: 1767: close(f); 1768: if (n) { 1769: signal(SIGINT, savint); 1770: signal(SIGQIT, savqit); 1771: recovry = 0; 1772: errmsg(n); 1773: } 1774: if (asig) { 1775: puts2(status[asig]); 1776: if (!curt) 1777: puts(": Fatal error"); 1778: } 1779: if (curt) 1780: puts2("?CKPT "); 1781: else { 1782: puts2("Editing session checkpointed to \""); 1783: puts2(cfname); 1784: puts("\".\nTo recover your work, type:"); 1785: if (editor && *editor) 1786: puts2(editor); 1787: else 1788: puts2("edit"); 1789: puts2(" -R"); 1790: } 1791: puts(&tfname[tfnum]); 1792: exit(1); 1793: } 1794: #endif 1795: 1796: chk() { 1797: register charac c; 1798: register char *p2, *p1, *t2, **p; 1799: register charac oldc; 1800: long t; 1801: struct stat s; 1802: 1803: if (*savedfile == '\0') 1804: return(0); 1805: t2 = p2 = file; 1806: p1 = savedfile; 1807: if (stat(p1, &s) >= 0) 1808: t = s.st_mtime; 1809: else 1810: t = 0L; 1811: while (*p2 = *p1++) 1812: if (*p2++ == '/') 1813: t2 = p2; 1814: if (p2 > t2 + 10) 1815: p2 = t2 + 10; 1816: if (p2 >= &file[FNSIZE - 6]) 1817: return(0); 1818: t2 = p2; 1819: p = dots; 1820: while (p1 = *p++) { 1821: p2 = t2; 1822: while (*p2++ = *p1++); 1823: if (stat(file, &s) >= 0 && s.st_mtime >= t) { 1824: if (curt) { 1825: puts2("?\""); 1826: puts2(file); 1827: puts2("\" "); 1828: } else { 1829: putsn("When you were last editing this file"); 1830: putsn("you did not exit the editor normally,"); 1831: puts2("leaving the file: \""); 1832: puts2(file); 1833: if (p1 == dotedt) { 1834: putsn("\".\nIt contains your file up to the last \"[file saved]\""); 1835: putsn("message. This file will be deleted if you do"); 1836: putsn("not read it into the editor now. If you read"); 1837: putsn("it, then decide not to use it, exit the editor"); 1838: putsn("with \"qi\"."); 1839: } else 1840: putsn("\"."); 1841: } 1842: return(yes_no(curt? "read" : "Do you wish to read it", 1843: 1, -1, 0)); 1844: } 1845: } 1846: return(0); 1847: } 1848: 1849: _cleanup() { 1850: flush_buf(); 1851: } 1852: 1853: #ifdef CLEAR 1854: clear() { 1855: register l, i; 1856: 1857: l = listf; 1858: listf = 0; 1859: puts2(clears); /* clear sequence */ 1860: flush_buf(); 1861: i = 5; 1862: while (--i >= 0) 1863: putchar(0); /* ADM-3A's need padding at 19.2 */ 1864: putchar('\n'); 1865: listf = l; 1866: } 1867: #endif 1868: 1869: commands(baseflg) { 1870: extern getfile(), gettty(); 1871: register linep *a1; 1872: register charac c; 1873: register char *p; 1874: register r, num; 1875: 1876: for ever { 1877: #ifdef AGAIN 1878: if (agp) { 1879: *agp++ = '\n'; 1880: *agp = '\0'; 1881: } 1882: agf = 0; 1883: agp = 0; 1884: #endif 1885: immflg = 0; 1886: #ifdef LOG 1887: if (logamp) { 1888: ++logstats.lp_amp; 1889: logamp = 0; 1890: } 1891: #endif 1892: if (!globp && (hupflag || termflg)) { 1893: if (hupflag) { 1894: backup(HUP); 1895: puts2(errtext[57]); 1896: } else { 1897: backup(TRM); 1898: puts2(errtext[58]); 1899: } 1900: delexit(1); 1901: } 1902: if (pflag) { 1903: pflag = 0; 1904: addr1 = addr2 = dot; 1905: goto print; 1906: } 1907: if (!globp) { 1908: #ifdef USE 1909: if (!alt) { 1910: #endif 1911: if (modcount) { 1912: if (text_modified > savf) 1913: mods++; 1914: savf = text_modified; 1915: backchk(); 1916: } 1917: #ifdef EOL 1918: #ifdef USE 1919: if (prompt2 && prompt3 && !eflg2) 1920: #endif 1921: #ifndef USE 1922: if (prompt2 && prompt3) 1923: #endif 1924: #endif 1925: #ifndef EOL 1926: #ifdef USE 1927: if (prompt2 && !eflg2) 1928: #endif 1929: #ifndef USE 1930: if (prompt2) 1931: #endif 1932: #endif 1933: { 1934: puts2(e_prompt); 1935: flush_buf(); 1936: } 1937: #ifdef USE 1938: } 1939: #endif 1940: } 1941: if (!globp) { 1942: if (dotdot > dol) 1943: dotdot = dol; 1944: if (dotdot < zero) 1945: dotdot = zero; 1946: if (dot != lastdot) { 1947: dotdot = lastdot; 1948: lastdot = dot; 1949: } 1950: } 1951: addr1 = 0; 1952: addr2 = 0; 1953: s_tmp = 0; 1954: s_cnt = 0; 1955: r = 1; 1956: do { 1957: addr1 = addr2; 1958: if ((a1 = address()) == 0) { 1959: c = getchar(); 1960: break; 1961: } 1962: addr2 = a1; 1963: if ((c = getchar()) == ';') { 1964: c = ','; 1965: dot = a1; 1966: } 1967: } while (c == ',' && --r >= 0); 1968: if (addr1 == 0) 1969: addr1 = addr2; 1970: if (!globp && !baseflg) { 1971: if (addr1) { 1972: old_a1 = addr1; 1973: old_a2 = addr2; 1974: } 1975: } 1976: line_num = (addr1? addr1 : dot) - zero; 1977: #ifdef AGAIN 1978: if (c == 'o' || c == ctrl('Q')) { /* again command "o" */ 1979: if (c != ctrl('Q') && (peekc = getchar()) != '\n') 1980: errmsg(1); 1981: if (c == ctrl('Q')) 1982: putchar(lastc = '\n'); 1983: if (*agbuf == 0) 1984: errmsg(2); 1985: agf++; 1986: agp = agbuf; 1987: c = *agp++; 1988: peekc = 0; 1989: #ifdef LOG 1990: ++logstats.lc_o; 1991: #endif 1992: } else if (baseflg == 0 && globp == 0) 1993: if (c != '\n') { 1994: agp = agbuf; 1995: *agp++ = c; /* first char not yet saved */ 1996: } 1997: #endif 1998: 1999: switch (c) { 2000: case 'a': 2001: if ((peekc = getchar()) == 'b') 2002: abort(); 2003: setdot(); 2004: #ifdef XED 2005: if (peekc != ' ' && peekc != '\n') { 2006: c = peekc; 2007: peekc = 0; 2008: if (tack(c, 1)) 2009: text_modified++; 2010: #ifdef LOG 2011: ++logstats.lc_aslash; 2012: #endif 2013: continue; 2014: } 2015: #endif 2016: line_num++; 2017: num = addr2; 2018: #ifdef LOG 2019: ++logstats.lc_append; 2020: #endif 2021: caseadd: 2022: if ((c = getchar()) == ' ') { 2023: r = 1; 2024: #ifdef LOG 2025: ++logstats.lc_aspace; 2026: #endif 2027: } else { 2028: #ifndef XED 2029: if (c != '\n') { 2030: peekc = c; 2031: newline(); 2032: } 2033: #endif 2034: r = 0; 2035: } 2036: if (append(gettty, num, r, 1)) 2037: text_modified++; 2038: continue; 2039: 2040: case 'b': 2041: setnoaddr(); 2042: white_space(); 2043: if ((brcount = setnum(1)) <= 0) 2044: brcount = 1; 2045: #ifdef LOG 2046: ++logstats.lc_browse; 2047: #endif 2048: continue; 2049: 2050: case 'c': 2051: if ((peekc = getchar()) == 'o') { /* co == t */ 2052: peekc = 0; 2053: #ifdef LOG 2054: ++logstats.lc_copy; 2055: #endif 2056: goto casecopy; 2057: } 2058: if (peekc != '\n') 2059: goto casesub; 2060: newline(); 2061: setdot(); 2062: nonzero(); 2063: delete(); 2064: text_modified++; 2065: #ifdef LOG 2066: ++logstats.lc_change; 2067: #endif 2068: append(gettty, addr1 - 1, 0, 0); 2069: continue; 2070: 2071: case 'd': 2072: #ifdef DEBUG 2073: /* *du Dump command (testing only) */ 2074: if ((peekc = getchar()) == 'u') { 2075: peekc = 0; 2076: dump(); 2077: continue; 2078: } 2079: #endif 2080: if ((peekc = getchar()) == ' ' || peekc == ',') { 2081: peekc = 0; 2082: white_space(); 2083: p = linebuf; 2084: if ((c = getchar()) == '\n') 2085: errmsg(51); 2086: do { 2087: *p++ = c; 2088: #ifndef ALLOC 2089: if (p >= &linebuf[LBSIZE - 2]) 2090: #else 2091: if (p >= &linebuf[lbsize - 2]) 2092: #endif 2093: errmsg(11); 2094: } while ((c = getchar()) >= 0 && c != '\n'); 2095: *p = 0; 2096: #ifdef LOG 2097: ++logstats.lc_directory; 2098: #endif 2099: if (chdir(linebuf) < 0) 2100: errmsg(51); 2101: continue; 2102: } 2103: #ifdef PAGE 2104: if (peekc == '=') { /* d=<depth> */ 2105: peekc = 0; 2106: setnoaddr(); 2107: pcount = setnum(PAGSIZ); 2108: #ifdef LOG 2109: ++logstats.lc_depth; 2110: #endif 2111: continue; 2112: } 2113: #endif 2114: newline(); 2115: setdot(); 2116: nonzero(); 2117: delete(); 2118: text_modified++; 2119: #ifdef LOG 2120: ++logstats.lc_delete; 2121: #endif 2122: continue; 2123: 2124: case 'e': 2125: eagain: 2126: if ((peekc = getchar()) != '\n') { 2127: #ifdef EOL 2128: if (peekc == '=') { /* e=c - set eol to 'c' */ 2129: peekc = 0; 2130: if (immflg) 2131: errmsg(8); 2132: setnoaddr(); 2133: eol = setchar(0); 2134: #ifdef LOG 2135: ++logstats.lc_eol; 2136: #endif 2137: continue; 2138: } 2139: #endif 2140: #ifdef TABS 2141: if (peekc == 'x') { 2142: peekc = 0; 2143: if (immflg) 2144: errmsg(8); 2145: if ((c = getchar()) != 'p') 2146: errmsg(8); 2147: newline(); 2148: if (!tabc) 2149: errmsg(3); 2150: if (maxtab < 0) 2151: errmsg(9); 2152: if (exp()) 2153: text_modified++; 2154: #ifdef LOG 2155: ++logstats.lc_exp; 2156: #endif 2157: continue; 2158: } 2159: #endif 2160: if ('0' <= peekc && peekc <= '9') { 2161: c = getnum(); 2162: newline(); 2163: if (0 <= c && c < NERR) 2164: printf("%3d: %s\n", 2165: c, errtext[c]); 2166: #ifdef LOG 2167: ++logstats.lc_errmsg; 2168: #endif 2169: continue; 2170: } 2171: if (peekc == '+' || peekc == '-') { 2172: c = peekc; 2173: peekc = 0; 2174: newline(); 2175: curt = c == '-'; 2176: #ifdef LOG 2177: if (curt) 2178: ++logstats.lc_eminus; 2179: else 2180: ++logstats.lc_eplus; 2181: #endif 2182: continue; 2183: } 2184: if (peekc == 'i') { 2185: peekc = 0; 2186: if (immflg) 2187: errmsg(8); 2188: immflg++; 2189: goto eagain; 2190: } 2191: setnoaddr(); 2192: if (fflg) 2193: errmsg(4); 2194: if (peekc != ' ' && peekc != ',') 2195: illfnm: errmsg(5); 2196: scopy(savedfile, tempfile); 2197: if (zero == dol || text_modified == 0) 2198: backup(-TMP); 2199: savedfile[0] = 0; 2200: filename(); 2201: if (text_modified && are_you_sure()) { 2202: scopy(tempfile, savedfile); 2203: error(); 2204: } 2205: peekc = '\n'; 2206: } else { 2207: setnoaddr(); 2208: if (text_modified) { 2209: r = peekc; 2210: peekc = 0; 2211: if (are_you_sure()) { 2212: peekc = r; 2213: error(); 2214: } 2215: peekc = r; 2216: } 2217: if (zero == dol || text_modified == 0) 2218: backup(-TMP); 2219: } 2220: if (init()) 2221: continue; 2222: #ifdef LOG 2223: ++logstats.lc_edit; 2224: #endif 2225: goto caseread; 2226: 2227: case 'f': 2228: setnoaddr(); 2229: #ifdef TABS 2230: if ((peekc = getchar()) == '=') { /* f=c fill char */ 2231: peekc = 0; 2232: tabfill = setchar(TABFILL); 2233: #ifdef LOG 2234: ++logstats.lc_fillset; 2235: #endif 2236: continue; 2237: } 2238: #endif 2239: if ((c = getchar()) != '\n') { 2240: if (fflg) 2241: errmsg(4); 2242: peekc = c; 2243: filename(); 2244: scopy(file, savedfile); 2245: #ifdef LOG 2246: ++logstats.lc_fset; 2247: #endif 2248: if (prompt2 == 0) 2249: continue; 2250: } 2251: #ifdef LOG 2252: else 2253: ++logstats.lc_fshow; 2254: #endif 2255: putsn(savedfile); 2256: continue; 2257: 2258: case 'g': 2259: global(1); 2260: continue; 2261: 2262: case 'h': 2263: #ifdef HELP 2264: if ((peekc = getchar()) == 'e') { /* he[lp] */ 2265: peekc = 0; 2266: setnoaddr(); 2267: skip_rest(); 2268: #ifdef LOG 2269: ++logstats.lc_help; 2270: #endif 2271: if ((doc = open(help, 0)) > 0) { 2272: while ((c = read(doc, linebuf, 2273: #ifndef ALLOC 2274: LBSIZE)) > 0) 2275: #else 2276: lbsize)) > 0) 2277: #endif 2278: write(1, linebuf, c); 2279: close(doc); 2280: } 2281: doc = 0; 2282: continue; 2283: } 2284: #endif 2285: if (zero != dol) { 2286: setdot(); 2287: nonzero(); 2288: } 2289: #ifdef LOG 2290: ++logstats.lc_header; 2291: #endif 2292: header(); 2293: continue; 2294: 2295: case 'i': 2296: setdot(); 2297: #ifdef XED 2298: if ((peekc = getchar()) != ' ' && peekc != '\n') { 2299: c = peekc; 2300: peekc = 0; 2301: if (tack(c, 0)) 2302: text_modified++; 2303: #ifdef LOG 2304: ++logstats.lc_islash; 2305: #endif 2306: continue; 2307: } 2308: #endif 2309: nonzero(); 2310: num = addr2 - 1; 2311: #ifdef LOG 2312: ++logstats.lc_insert; 2313: #endif 2314: goto caseadd; 2315: 2316: #ifdef XED 2317: case 'j': 2318: setdot(); 2319: nonzero(); 2320: join(); 2321: text_modified++; 2322: continue; 2323: #endif 2324: 2325: case 'k': 2326: if ((c = getchar()) == '\n') { 2327: setnoaddr(); 2328: #ifdef LOG 2329: ++logstats.lc_klist; 2330: #endif 2331: printmarks(); 2332: continue; 2333: } 2334: if ('A' <= c && c <= 'Z') 2335: c |= 040; 2336: if (c < 'a' || c > 'z') 2337: errmsg(0); 2338: newline(); 2339: setdot(); 2340: nonzero(); 2341: #ifdef HUGE 2342: r = hugef ^ 01; 2343: #else 2344: #define r 1 2345: #endif 2346: #ifdef EXTMARK 2347: if (addr1 != addr2) { 2348: names[c - 'a'] = *addr1 | r; 2349: names2[c - 'a'] = *addr2 | r; 2350: } else { 2351: names[c - 'a'] = *addr2 | r; 2352: names2[c - 'a'] = 0; 2353: } 2354: #else 2355: names[c - 'a'] = *addr2 | r; 2356: #endif 2357: #ifdef LOG 2358: ++logstats.lc_kset; 2359: #endif 2360: continue; 2361: #ifndef HUGE 2362: #undef r 2363: #endif 2364: 2365: case 'm': 2366: #ifdef DUMB 2367: if ((peekc = getchar()) == '\n') { 2368: setnoaddr(); 2369: peekc = 0; 2370: dumbf ^= 01; 2371: #ifdef LOG 2372: ++logstats.lc_magic; 2373: #endif 2374: if (curt) 2375: putsn(dumbf? off : on); 2376: else { 2377: puts2("\"$&[^.*\\(\\)\" have "); 2378: if (dumbf) 2379: puts2(no); 2380: putsn("special meaning"); 2381: } 2382: continue; 2383: } 2384: #endif 2385: if ((peekc = getchar()) == 'o') { /* mo == m */ 2386: peekc = 0; 2387: #ifdef LOG 2388: ++logstats.lc_moove; 2389: #endif 2390: } 2391: #ifdef LOG 2392: else 2393: ++logstats.lc_move; 2394: #endif 2395: move(0); 2396: text_modified++; 2397: continue; 2398: 2399: case 'n': 2400: setnoaddr(); 2401: #ifdef PIPE 2402: if ((peekc = getchar()) == '+') { 2403: peekc = 0; 2404: newline(); 2405: pno = 1; 2406: #ifdef LOG 2407: ++logstats.lc_numplus; 2408: #endif 2409: continue; 2410: } 2411: if (peekc == '-') { 2412: peekc = 0; 2413: newline(); 2414: pno = -1; 2415: #ifdef LOG 2416: ++logstats.lc_numinus; 2417: #endif 2418: continue; 2419: } 2420: #endif 2421: newline(); 2422: prompt1 ^= 01; 2423: #ifdef LOG 2424: ++logstats.lc_numbers; 2425: #endif 2426: if (curt) 2427: putsn(prompt1? on : off); 2428: else { 2429: if (prompt1 == 0) 2430: puts2(no); 2431: putsn("line numbers"); 2432: } 2433: continue; 2434: 2435: case '\n': 2436: if (globp || addr2 > dol) 2437: continue; 2438: if (addr2 == 0) { 2439: addr1 = addr2 = dot + 1; 2440: if (addr2 <= dol) 2441: line_num++; 2442: if (brcount != 1) { 2443: addr2 = dot + brcount; 2444: if (addr1 > dol) 2445: continue; 2446: if (addr2 > dol) 2447: addr2 = dol; 2448: if (addr2 < zero) 2449: addr2 = zero; 2450: #ifdef CLEAR 2451: if (zflg && addr2 - addr1 > pcount / 2) 2452: clear(); 2453: #endif 2454: } 2455: } 2456: if (addr2 <= dol) { 2457: pflag = 0; 2458: goto print; 2459: } 2460: continue; 2461: 2462: case 'l': 2463: listf++; 2464: #ifdef LOG 2465: ++logstats.lc_list; 2466: #endif 2467: case 'p': 2468: if ((peekc = getchar()) == 'a') { 2469: peekc = 0; 2470: case ':': 2471: case '*': 2472: num = 0; 2473: if (c == ':' || c == '*') { 2474: if ((peekc = getchar()) == ' ' || 2475: peekc == '\t') { 2476: skip_rest(); /* comments */ 2477: #ifdef LOG 2478: ++logstats.lc_comment; 2479: #endif 2480: continue; 2481: } 2482: r = peekc; 2483: peekc = 0; 2484: #ifdef LOG 2485: if (r == '-' || r == '+') 2486: ++logstats.lc_clnminus; 2487: else if (c == '*') 2488: ++logstats.lc_star; 2489: else 2490: ++logstats.lc_colon; 2491: #endif 2492: while (r == '-' || r == '^' || r == '+') { 2493: if (r == '+') 2494: ++num; 2495: else 2496: --num; 2497: r = getchar(); 2498: } 2499: peekc = r; 2500: } 2501: #ifdef LOG 2502: else 2503: if (c != 'p') 2504: ++logstats.lc_print; 2505: #endif 2506: newline(); 2507: pflag = 0; 2508: if (addr1 == addr2) { 2509: if (num == -1 && c == ':') { 2510: if (addr2 == 0) 2511: addr2 = dot; 2512: addr1 = addr2 - pcount; 2513: if (addr1 <= zero) 2514: addr1 = zero + 1; 2515: #ifdef CLEAR 2516: if (zflg) 2517: clear(); 2518: #endif 2519: goto print; 2520: } 2521: num *= pcount; 2522: if (c == '*') 2523: num -= (pcount + 1) / 2; 2524: if (addr1 == 0) 2525: a1 = dot + (num? num : 1); 2526: else 2527: a1 = addr1 + num; 2528: if (a1 <= zero) 2529: a1 = zero + 1; 2530: addr1 = addr2 = a1; 2531: } 2532: nonzero(); 2533: if (addr1 == addr2 || addr2 > dol || 2534: addr2 <= zero) 2535: addr2 = dol; 2536: setdot(); 2537: #ifdef CLEAR 2538: if (zflg && addr2 - addr1 > pcount / 2) 2539: clear(); 2540: #endif 2541: #ifndef PAGE 2542: if (addr2 > addr1 + pcount) 2543: addr2 = addr1 + pcount; 2544: goto print; 2545: #else 2546: page(); 2547: listf = 0; 2548: #ifdef PARENS 2549: parenf = 0; 2550: #endif 2551: #ifdef STRLEN 2552: quotef = 0; 2553: #endif 2554: continue; 2555: #endif 2556: } else if (peekc == 'p' || peekc == 'l') { 2557: peekc = 0; 2558: addr1 = zero + 1; 2559: addr2 = dol; 2560: #ifdef LOG 2561: ++logstats.lc_pprint; 2562: #endif 2563: } 2564: newline(); 2565: pflag = 0; 2566: print: 2567: setdot(); 2568: nonzero(); 2569: a1 = addr1; 2570: #ifdef PARENS 2571: parenc[0] = 0; 2572: parenc[1] = 0; 2573: parenc[2] = 0; 2574: #endif 2575: do { 2576: col = 0; 2577: printlno(line_num = a1 - zero); 2578: puts(getline(*a1++)); 2579: } while (a1 <= addr2); 2580: dot = addr2; 2581: listf = 0; 2582: #ifdef PARENS 2583: parenf = 0; 2584: #endif 2585: #ifdef STRLEN 2586: quotef = 0; 2587: #endif 2588: continue; 2589: 2590: case 'q': 2591: if ((peekc = getchar()) == 'i') { /* qi - immediate */ 2592: peekc = 0; 2593: newline(); 2594: immflg++; 2595: #ifdef LOG 2596: ++logstats.lc_qimm; 2597: #endif 2598: return; 2599: } 2600: #ifdef STRLEN 2601: if (peekc == '=') { /* q=cc set quote chars */ 2602: peekc = 0; 2603: if ((c = getchar()) == '\\') 2604: c = getchar(); 2605: quotec = quotec2 = c; 2606: #ifdef LOG 2607: ++logstats.lc_quote; 2608: #endif 2609: if (c != '\n') { 2610: if ((c = getchar()) == '\\') 2611: c = getchar(); 2612: if (c == '\n') 2613: continue; 2614: quotec2 = c; 2615: } else { 2616: quotec = 0; 2617: quotec2 = 0; 2618: continue; 2619: } 2620: if (c != '\n') 2621: newline(); 2622: continue; 2623: } 2624: #endif 2625: setnoaddr(); 2626: if ((peekc = getchar()) != '\n') 2627: errmsg(25); 2628: peekc = 0; 2629: #ifdef LOG 2630: ++logstats.lc_quit; 2631: #endif 2632: return; 2633: 2634: case 'r': 2635: #ifdef LOG 2636: ++logstats.lc_read; 2637: #endif 2638: caseread: 2639: filename(); 2640: if ((io = open(file, 0)) < 0) { 2641: io = 0; 2642: lastc = '\n'; 2643: if (curt) 2644: errmsg(53); 2645: puts2(errtext[53]); 2646: putsn(file); 2647: error(); 2648: } 2649: setall(); 2650: ninbuf = 0; 2651: r = append(getfile, addr2, 0, 0); 2652: if (prompt2) 2653: printf((curt? prcntu : errtext[55]), 2654: r, (r == 1? null : quote_s)); 2655: close(io); 2656: io = 0; 2657: #ifdef LOG 2658: logstats.lt_rlines += r; 2659: #endif 2660: if (num_reads++ || fflg) { 2661: if (r) 2662: text_modified++; 2663: } /* else 2664: text_modified = 0; */ 2665: if ((c == 'e' && bflg == 1) || bflg2 == 1) { 2666: bflg2 = 0; 2667: backup(BAK); 2668: } 2669: continue; 2670: 2671: case 's': 2672: if (!globp && (peekc = getchar()) == '\n') { /* w;q */ 2673: setnoaddr(); 2674: #ifdef LOG 2675: ++logstats.lc_stop; 2676: #endif 2677: if (text_modified && !fflg) 2678: if (backup(FILE) == 0) 2679: error(); /* errmsg(10) */ 2680: peekc = text_modified = 0; 2681: #ifdef LOG 2682: logstats.lt_wlines += dol - zero; 2683: #endif 2684: return; 2685: } 2686: if (peekc == 'a') { /* sa - count before auto-save */ 2687: setnoaddr(); 2688: peekc = 0; 2689: modcount = setnum(MODCNT); 2690: mods = 0; 2691: #ifdef LOG 2692: ++logstats.lc_savecount; 2693: #endif 2694: continue; 2695: } 2696: casesub: 2697: setdot(); 2698: nonzero(); 2699: substitute(globp); 2700: text_modified++; 2701: #ifdef LOG 2702: if (c == 's') 2703: ++logstats.lc_substitute; 2704: else 2705: ++logstats.lc_cslash; 2706: #endif 2707: continue; 2708: 2709: case 't': 2710: #ifdef TABS 2711: if ((peekc = getchar()) == '=') { /* t=c tab char */ 2712: setnoaddr(); 2713: peekc = 0; 2714: tabc = setchar(0); 2715: #ifdef LOG 2716: ++logstats.lc_tabchar; 2717: #endif 2718: continue; 2719: } else if (peekc == ',') { /* t,nn set tabs */ 2720: setnoaddr(); 2721: #ifdef LOG 2722: ++logstats.lc_tabset; 2723: #endif 2724: while ((c = getchar()) == ',') { 2725: while ((c = getchar()) == ','); 2726: if ((c < '0' || c > '9') && c != '-') 2727: break; 2728: peekc = c; 2729: settab(getsnum()); 2730: } 2731: peekc = c; 2732: newline(); 2733: continue; 2734: } else if (peekc == '\n') { /* list tabs */ 2735: setnoaddr(); 2736: peekc = 0; 2737: #ifdef LOG 2738: ++logstats.lc_tablist; 2739: #endif 2740: listabs(); 2741: continue; 2742: } 2743: #endif 2744: #ifdef LOG 2745: ++logstats.lc_transfer; 2746: #endif 2747: casecopy: 2748: move(1); 2749: text_modified++; 2750: continue; 2751: 2752: #ifdef UNDO 2753: case 'u': 2754: setnoaddr(); 2755: newline(); 2756: undo(); 2757: #ifdef LOG 2758: ++logstats.lc_undo; 2759: #endif 2760: continue; 2761: #endif 2762: 2763: case 'v': 2764: global(0); 2765: continue; 2766: 2767: case 'w': 2768: #ifdef PAGE 2769: if ((peekc = getchar()) == '=') { /* w=<width> */ 2770: peekc = 0; 2771: ccount = setnum(CCOUNT); 2772: #ifdef LOG 2773: ++logstats.lc_width; 2774: #endif 2775: continue; 2776: } 2777: #endif 2778: if ((peekc = getchar()) == 'i') { /* wi over-ride */ 2779: ++immflg; 2780: peekc = 0; 2781: #ifdef LOG 2782: ++logstats.lc_wimm; 2783: #endif 2784: } 2785: #ifdef LOG 2786: else 2787: ++logstats.lc_write; 2788: #endif 2789: filename(); 2790: #ifdef LOG 2791: if (appflg) { 2792: --logstats.lc_write; 2793: ++logstats.lc_wonto; 2794: } 2795: #endif 2796: if (globp) { 2797: setdot(); 2798: appflg++; 2799: } else 2800: setall(); 2801: if (dol == zero) { 2802: if (curt) 2803: putsn("?48"); 2804: else 2805: putsn(errtext[48]); 2806: if (!fflg || appflg) 2807: continue; 2808: } 2809: if (over || immflg) 2810: override(); 2811: if (appflg) 2812: io = open(file, 1); 2813: if (!appflg || io < 0) 2814: io = creat(file, MODE); 2815: if (overfile) { 2816: chmod(overfile, overmode); 2817: overfile = 0; 2818: } 2819: if (io < 0) { 2820: io = 0; 2821: if (curt) 2822: errmsg(54); 2823: puts2(errtext[54]); 2824: putsn(file); 2825: error(); 2826: } 2827: io_w++; 2828: if (appflg) 2829: lseek(io, 0L, 2); /* append onto file */ 2830: putfile(); 2831: close(io); 2832: io = 0; 2833: io_w = 0; 2834: if (addr1 == zero + 1 && addr2 == dol) 2835: text_modified = 0; 2836: #ifdef LOG 2837: logstats.lt_wlines += dol - zero; 2838: #endif 2839: continue; 2840: 2841: #ifdef USE 2842: case '@': 2843: setnoaddr(); 2844: if (alt) 2845: errmsg(6); 2846: if ((peekc = getchar()) == 'p') 2847: peekc = 0; 2848: else 2849: eflg2++; 2850: if ((peekc = getchar()) == '\n' && altfile[0]) { 2851: peekc = 0; 2852: goto altname; 2853: } 2854: if ((c = getchar()) != ' ' && c != '\t' && c != ',') 2855: errmsg(5); 2856: white_space(); 2857: if ((c = getchar()) == '\n') 2858: errmsg(7); 2859: p = altfile; 2860: *p++ = c; 2861: while ((c = getchar()) != '\n') { 2862: if (c < 0) 2863: errmsg(59); 2864: *p++ = c; 2865: } 2866: *p = '\0'; 2867: altname: 2868: #ifdef LOG 2869: ++logstats.lc_at; 2870: #endif 2871: if ((alt = open(altfile, 0)) < 0) { 2872: alt = 0; /* this MUST be 0 */ 2873: lastc = '\n'; 2874: if (curt) 2875: errmsg(53); 2876: puts2(errtext[53]); 2877: putsn(altfile); 2878: error(); 2879: } 2880: continue; 2881: #endif 2882: 2883: #ifdef DEBUG 2884: case '#': /* toggle debug flag */ 2885: if (addr1 != addr2 || addr1 != zero) 2886: goto illcmd; 2887: newline(); 2888: tflg ^= 01; 2889: continue; 2890: 2891: #ifdef XDEL 2892: case '`': 2893: setnoaddr(); 2894: newline(); 2895: if (ndeleted == 0) 2896: errmsg(16); 2897: printf("deleted = %o ndeleted = %d\n", deleted, ndeleted); 2898: { register n, *bp, nl; 2899: int tl; 2900: 2901: tl = deleted; 2902: bp = getblock(tl, READ); 2903: #ifdef HUGE 2904: tl &= _1[hugef]; 2905: #else 2906: tl &= _1; 2907: #endif 2908: nl = nleft / sizeof(linep); 2909: for (n = 0; n < ndeleted; n++) { 2910: printf("%7d: %6o\n", n + 1, *bp++); 2911: if (--nl <= 0) { 2912: #ifdef HUGE 2913: bp = getblock(tl += _2[hugef], READ); 2914: #else 2915: bp = getblock(tl += _2, READ); 2916: #endif 2917: nl = nleft / sizeof(linep); 2918: } 2919: } 2920: } 2921: continue; 2922: #endif 2923: #endif 2924: 2925: #ifdef XDEL 2926: case 'x': 2927: newline(); 2928: r = undelete(); 2929: #ifdef LOG 2930: ++logstats.lc_xundelete; 2931: #endif 2932: if (prompt2) 2933: printf((curt? prcntu : errtext[55]), 2934: r, (r == 1? null : quote_s)); 2935: text_modified++; 2936: continue; 2937: #endif 2938: 2939: #ifdef YINT 2940: case 'y': 2941: if ((c = getchar()) == '+') { 2942: setdot(); 2943: nonzero(); 2944: newline(); 2945: if (zero == dol) 2946: yplus = 0; 2947: else 2948: yplus = *addr2 | 01; 2949: yflg = 1; 2950: #ifdef LOG 2951: ++logstats.lc_yplus; 2952: #endif 2953: } else if (c == '-') { 2954: setnoaddr(); 2955: newline(); 2956: yflg = 0; 2957: #ifdef LOG 2958: ++logstats.lc_yminus; 2959: #endif 2960: } else { 2961: setnoaddr(); 2962: peekc = c; 2963: newline(); 2964: yflg = 1; 2965: yplus = 0; 2966: #ifdef LOG 2967: ++logstats.lc_yintr; 2968: #endif 2969: } 2970: continue; 2971: #endif 2972: 2973: #ifdef PIPE 2974: case '|': 2975: #ifndef XED 2976: if (globp) /* turkeys will be turkeys */ 2977: errmsg(61); 2978: #endif 2979: if (noshell) 2980: errmsg(52); 2981: if ((peekc = getchar()) == '+') { 2982: peekc = 0; 2983: newline(); 2984: setnoaddr(); 2985: strict++; 2986: #ifdef LOG 2987: ++logstats.lc_piplus; 2988: #endif 2989: continue; 2990: } else if (peekc == '-') { 2991: peekc = 0; 2992: newline(); 2993: setnoaddr(); 2994: strict = 0; 2995: #ifdef LOG 2996: ++logstats.lc_piminus; 2997: #endif 2998: continue; 2999: } 3000: setdot(); 3001: shell(); 3002: continue; 3003: #endif 3004: 3005: case '!': 3006: #ifndef XED 3007: if (globp) 3008: errmsg(61); 3009: #endif 3010: if (noshell) 3011: errmsg(52); 3012: setnoaddr(); 3013: shell(); 3014: continue; 3015: 3016: #ifdef CKPT 3017: case 'z': 3018: newline(); 3019: setnoaddr(); 3020: checkpoint(0); /* doesn't return */ 3021: #endif 3022: 3023: case EOF: 3024: #ifdef USE 3025: if (!baseflg && alt) { 3026: close(alt); 3027: alt = 0; 3028: eflg2 = 0; 3029: continue; 3030: } 3031: #endif 3032: return; 3033: 3034: } 3035: illcmd: 3036: errmsg(8); 3037: } /* nothing lasts "for ever" */ 3038: } 3039: 3040: compile(aeof) 3041: charac aeof; 3042: { 3043: register charac eof, c; 3044: register char *ep, *lastep, *bracketp; 3045: register cclcnt; 3046: char bracket[NBRA]; 3047: 3048: ep = expbuf; 3049: lastep = 0; 3050: eof = aeof; 3051: bracketp = bracket; 3052: if ((c = getchar()) == eof || c == '\n') { 3053: if (*ep == 0) 3054: errmsg(27); 3055: if (c == '\n') 3056: peekc = c; 3057: return; 3058: } 3059: circfl = 0; 3060: nbra = 0; 3061: if ( 3062: #ifdef DUMB 3063: !dumbf && 3064: #endif 3065: c == '^') { 3066: c = getchar(); 3067: circfl++; 3068: #ifdef LOG 3069: ++logstats.lp_caret; 3070: #endif 3071: } 3072: /* if (c == '*') { /* if first = *, then quote it */ 3073: /* *ep++ = CCHR; */ 3074: /* *ep++ = c; */ 3075: /* c = 0; */ 3076: /* } */ 3077: peekc = c; 3078: for ever { 3079: if (ep >= &expbuf[ESIZE - 2 - (bracketp - bracket) * 2]) 3080: break; 3081: c = getchar(); 3082: if (c == eof || c == '\n') { 3083: while (bracketp > bracket) { 3084: *ep++ = CKET; 3085: *ep++ = *--bracketp; 3086: } 3087: *ep++ = CEOF; 3088: if (c == '\n') { 3089: if (prompt2) 3090: pflag++; 3091: peekc = c; 3092: } 3093: return; 3094: } 3095: if (c != '*') 3096: lastep = ep; 3097: #ifdef DUMB 3098: if (dumbf && c >= 0) 3099: goto defchar; 3100: #endif 3101: switch (c) { 3102: case '\\': 3103: if ((c = getchar()) == '(') { 3104: if (nbra >= NBRA) { 3105: c = 44; 3106: goto cerror; 3107: } 3108: *bracketp++ = nbra; 3109: *ep++ = CBRA; 3110: *ep++ = nbra++; 3111: #ifdef LOG 3112: ++logstats.lp_paren; 3113: #endif 3114: continue; 3115: } 3116: if (c == ')') { 3117: if (bracketp <= bracket) { 3118: c = 45; 3119: goto cerror; 3120: } 3121: *ep++ = CKET; 3122: *ep++ = *--bracketp; 3123: continue; 3124: } 3125: if ('1' <= c && c < '1' + nbra) { 3126: *ep++ = CBACK; 3127: *ep++ = c - '1'; 3128: #ifdef LOG 3129: ++logstats.lp_digit; 3130: #endif 3131: continue; 3132: } 3133: if (c == '\n') { 3134: c = 46; 3135: goto cerror; 3136: } 3137: defchar: 3138: default: 3139: *ep++ = CCHR; 3140: *ep++ = c; 3141: continue; 3142: 3143: case '.': 3144: *ep++ = CDOT; 3145: #ifdef LOG 3146: ++logstats.lp_dot; 3147: #endif 3148: continue; 3149: 3150: case '*': 3151: if (lastep == 0 || 3152: *lastep == CBRA || *lastep == CKET) 3153: goto defchar; 3154: *lastep |= STAR; 3155: #ifdef LOG 3156: ++logstats.lp_star; 3157: #endif 3158: continue; 3159: 3160: case '$': 3161: if ((peekc = getchar()) != eof && peekc != '\n') 3162: goto defchar; 3163: *ep++ = CDOL; 3164: #ifdef LOG 3165: ++logstats.lp_dol; 3166: #endif 3167: continue; 3168: 3169: case '[': 3170: *ep++ = CCL; 3171: *ep++ = 0; 3172: cclcnt = 1; 3173: if ((c = getchar()) == '^') { 3174: c = getchar(); 3175: ep[-2] = NCCL; 3176: #ifdef LOG 3177: ++logstats.lp_nccl; 3178: #endif 3179: } 3180: #ifdef LOG 3181: else 3182: ++logstats.lp_ccl; 3183: #endif 3184: do { 3185: if (c == '\\') 3186: c = getchar(); 3187: if (c == '\n') { 3188: peekc = c; 3189: break; 3190: } 3191: if (c < 0) { 3192: c = 59; 3193: goto cerror; 3194: } 3195: *ep++ = c; 3196: cclcnt++; 3197: if (ep >= &expbuf[ESIZE - 2]) { 3198: c = 49; 3199: goto cerror; 3200: } 3201: } while ((c = getchar()) != ']'); 3202: lastep[1] = cclcnt; 3203: continue; 3204: 3205: case EOF: 3206: c = 59; 3207: goto cerror; 3208: } 3209: } 3210: c = 42; 3211: cerror: 3212: expbuf[0] = '\0'; 3213: nbra = 0; 3214: errmsg(c); 3215: } 3216: 3217: compsub() { 3218: register charac seof, c; 3219: register char *p; 3220: 3221: if ((seof = getchar()) == '\n') 3222: errmsg(40); 3223: compile(seof); 3224: p = rhsbuf; 3225: for ever { 3226: c = getchar(); 3227: if (c < 0) 3228: errmsg(59); 3229: if (c == '\\') 3230: c = getchar() | 0200; 3231: if (c == '\n') { 3232: *p = 0; 3233: peekc = 0; 3234: if (prompt2) 3235: pflag++; 3236: return(0); 3237: } 3238: if (c == seof) 3239: break; 3240: *p++ = c; 3241: if (p >= &rhsbuf[LBSIZE / 2 - 2]) 3242: errmsg(41); 3243: } 3244: *p = '\0'; 3245: p = 0; 3246: if ((peekc = getchar()) == 'g') { /* if in 'glob' */ 3247: peekc = 0; 3248: p = 1; 3249: } else if ('0' <= peekc && peekc <= '9') 3250: if ((s_cnt = getnum()) < 0) 3251: s_cnt = 0; 3252: newline(); 3253: return(p); 3254: } 3255: 3256: create(as, am) 3257: char *as; 3258: { 3259: register savmask; 3260: register func savint, savqit; 3261: register ret; 3262: 3263: if (am == LMODE) { 3264: savint = signal(SIGINT, 1); 3265: savqit = signal(SIGQIT, 1); 3266: savmask = umask(LMASK); 3267: } 3268: ret = creat(as, am); 3269: if (am == LMODE) { 3270: umask(savmask); 3271: signal(SIGINT, savint); 3272: signal(SIGQIT, savqit); 3273: } 3274: return(ret); 3275: } 3276: 3277: delete() { 3278: register linep *a1, *a2, *a3; 3279: 3280: a1 = addr1; 3281: a2 = addr2 + 1; 3282: #ifdef XDEL 3283: if (!globp) 3284: saveline(); 3285: #endif 3286: a3 = dol; 3287: dol -= a2 - a1; 3288: do { 3289: *a1++ = *a2++; 3290: } while (a2 <= a3); 3291: a1 = addr1; 3292: if (a1 > dol) 3293: a1 = dol; 3294: dot = a1; 3295: } 3296: 3297: delexit(aretcode) { 3298: #ifdef LOG 3299: #include <sys/times.h> 3300: struct tms t; 3301: #endif 3302: 3303: unlink(tfname); 3304: #ifdef LOG 3305: if ((io = open(LOG, 1)) >= 0) { 3306: time(&logstats.lt_end); 3307: times(&t); 3308: logstats.lt_usercpu = t.tms_utime; 3309: logstats.lt_syscpu = t.tms_stime; 3310: logstats.lt_kidscpu = t.tms_cutime + t.tms_cstime; 3311: lseek(io, 0L, 2); 3312: write(io, &logstats, sizeof logstats); 3313: } 3314: #endif 3315: exit(aretcode); 3316: } 3317: 3318: dosub() { 3319: register char *lp, *sp, *rp; 3320: register charac c; 3321: 3322: lp = linebuf; 3323: sp = genbuf; 3324: rp = rhsbuf; 3325: while (lp < loc1) 3326: *sp++ = *lp++; 3327: while (c = *rp++) { 3328: #ifdef DUMB 3329: if (!dumbf) 3330: #endif 3331: if (c == '&') { 3332: #ifdef LOG 3333: ++logamp; 3334: #endif 3335: sp = place(sp, loc1, loc2); 3336: continue; 3337: } else if (c < 0 && (c &= 0177) >= '1' && 3338: c < nbra + '1') { 3339: c -= '1'; 3340: sp = place(sp,braslist[c],braelist[c]); 3341: continue; 3342: } 3343: *sp++ = c & 0177; 3344: #ifndef ALLOC 3345: if (sp >= &genbuf[LBSIZE - 2]) 3346: #else 3347: if (sp >= &genbuf[lbsize - 2]) 3348: #endif 3349: errmsg(42); 3350: } 3351: lp = loc2; 3352: loc2 = sp + (linebuf - genbuf); 3353: while (*sp++ = *lp++) 3354: #ifndef ALLOC 3355: if (sp >= &genbuf[LBSIZE - 2]) 3356: #else 3357: if (sp >= &genbuf[lbsize - 2]) 3358: #endif 3359: errmsg(43); 3360: lp = linebuf; 3361: sp = genbuf; 3362: while (*lp++ = *sp++); 3363: } 3364: 3365: #ifdef DEBUG 3366: dump() { 3367: register linep *i; 3368: register b, o; 3369: 3370: setdot(); 3371: nonzero(); 3372: newline(); 3373: line_num = addr1 - zero; 3374: for (i = addr1; i <= addr2; i++) { 3375: #ifdef HUGE 3376: b = (*i >> (8 - hugef)) & _3[hugef]; 3377: o = (*i << (1 + hugef)) & _4[hugef]; 3378: #else 3379: b = (*i >> 8) & _3; 3380: o = (*i << 1) & _4; 3381: #endif 3382: printlno(line_num++); 3383: #ifdef pdp11 3384: printf("%6o:%7o%6d/%d\n", i, *i, b, o); 3385: #else 3386: printf("%6o:%7o%6d/%d\n", i, *i&(unsigned)(unsigned short)-1, b, o); 3387: #endif 3388: } 3389: dot = addr2; 3390: } 3391: #endif 3392: 3393: echo(ch) 3394: charac ch; 3395: { 3396: #ifdef AGAIN 3397: static charac lastchar; 3398: #endif 3399: #ifdef USE 3400: if (eflg || alt && !eflg2) 3401: #endif 3402: #ifndef USE 3403: if (eflg) 3404: #endif 3405: write(2, &ch, 1); 3406: #ifdef AGAIN 3407: if (!agf && agp) { /* save current command for "again" */ 3408: if (agp >= &agbuf[GBSIZE - 2]) 3409: agp = agbuf[0] = 0; 3410: else 3411: *agp++ = ch; 3412: if (ch == '\n' && lastchar != '\\') 3413: agp = *agp = 0; 3414: } 3415: lastchar = ch; 3416: #endif 3417: return(ch); 3418: } 3419: 3420: errfunc() { 3421: if (io) { 3422: close(io); 3423: io = 0; 3424: io_w = 0; 3425: } 3426: if (overfile) { 3427: chmod(overfile, overmode); 3428: overfile = 0; 3429: } 3430: #ifdef HELP 3431: if (doc) { 3432: close(doc); 3433: doc = 0; 3434: } 3435: #endif 3436: #ifdef PIPE 3437: if (pfile) { 3438: close(pfile); 3439: unlink(pfname); 3440: pfile = 0; 3441: } 3442: #endif 3443: /* puts("?"); */ 3444: if (!seekf) 3445: lseek(0, 0L, 2); 3446: pflag = 0; 3447: listf = 0; 3448: #ifdef PARENS 3449: parenf = 0; 3450: #endif 3451: #ifdef STRLEN 3452: quotef = 0; 3453: #endif 3454: if (globp) { 3455: lastc = '\n'; 3456: globp = 0; 3457: } 3458: peekc = lastc; 3459: skip_rest(); 3460: eflg2 = 0; 3461: reset(); 3462: } 3463: 3464: errmsg(n) { 3465: extern errno; 3466: 3467: listf = 0; 3468: #ifdef PARENS 3469: parenf = 0; 3470: #endif 3471: #ifdef STRLEN 3472: quotef = 0; 3473: #endif 3474: col = 0; 3475: if (n < 0) { 3476: puts2("\7******** "); 3477: printf("%d ", errno); 3478: n = -n; 3479: } 3480: if (curt) 3481: printf("?%d\n", n); 3482: else 3483: if (0 <= n && n < NERR) 3484: putsn(errtext[n]); 3485: else 3486: printf("bad error number: %d\n", n); 3487: error(); 3488: } 3489: 3490: execute(gf, addr) 3491: linep *addr; 3492: { 3493: register char *p1, *p2; 3494: register charac c; 3495: 3496: if (gf) { 3497: if (circfl) 3498: return(0); 3499: p1 = linebuf; 3500: p2 = genbuf; 3501: while (*p1++ = *p2++); 3502: locs = p1 = loc2; 3503: } else { 3504: if (addr == zero) 3505: return(0); 3506: p1 = getline(*addr); 3507: locs = 0; 3508: } 3509: p2 = expbuf; 3510: c = NBRA; 3511: while (--c >= 0) { 3512: braslist[c] = 0; 3513: braelist[c] = 0; 3514: } 3515: if (circfl) { 3516: loc1 = p1; 3517: return(advance(p1, p2)); 3518: } 3519: /* fast check for first character */ 3520: if (*p2 == CCHR) { 3521: c = p2[1]; 3522: do { 3523: if (*p1 != c) 3524: continue; 3525: if (advance(p1, p2)) { 3526: loc1 = p1; 3527: return(1); 3528: } 3529: } while (*p1++); 3530: return(0); 3531: } 3532: /* regular algorithm */ 3533: do { 3534: if (advance(p1, p2)) { 3535: loc1 = p1; 3536: return(1); 3537: } 3538: } while (*p1++); 3539: return(0); 3540: } 3541: 3542: #ifdef TABS 3543: exp() { 3544: register n; 3545: register linep p, *a1; 3546: 3547: setdot(); 3548: nonzero(); 3549: n = 0; 3550: for (a1 = addr1; a1 <= addr2; a1++) { 3551: getline(*a1); 3552: if (expand()) { 3553: n++; 3554: p = *a1; 3555: *a1 = putline(); 3556: savemark(p, *a1); 3557: } 3558: } 3559: dot = addr2; 3560: return(n); 3561: } 3562: 3563: expand() { 3564: register char *p2; 3565: register charac c; 3566: register n; 3567: register char *p1; 3568: register cnt, i; 3569: register flag tabflg; 3570: 3571: p1 = linebuf; 3572: p2 = genbuf; 3573: while (*p2++ = *p1++); 3574: p2 = linebuf; 3575: p1 = genbuf; 3576: cnt = col = n = 0; 3577: while (c = *p1++) { 3578: if (c == tabc && col < maxtab) { 3579: n = col; 3580: c = tabfill; 3581: if (c == '\t') { 3582: n = col; 3583: tabflg = 0; 3584: while (n < maxtab) { 3585: if ((++n & 07) == 0) { 3586: *p2++ = c; 3587: tabflg++; 3588: if (p2 >= 3589: #ifndef ALLOC 3590: &linebuf[LBSIZE - 2] 3591: #else 3592: &linebuf[lbsize - 2] 3593: #endif 3594: || n >= TABS * BPW) 3595: goto experr; 3596: } 3597: if (tabs[n >> BPWC] >> (n & BPWM) & 01) 3598: if (*p1 == tabc && 3599: n < maxtab) { 3600: p1++; 3601: cnt++; 3602: } else 3603: break; 3604: } 3605: i = n; 3606: if (tabflg) 3607: n &= 07; 3608: else 3609: n -= col; 3610: col = i; 3611: while (n--) { 3612: *p2++ = ' '; 3613: #ifndef ALLOC 3614: if (p2 >= &linebuf[LBSIZE - 2]) 3615: #else 3616: if (p2 >= &linebuf[lbsize - 2]) 3617: #endif 3618: goto experr; 3619: } 3620: cnt++; 3621: continue; 3622: } 3623: do { 3624: *p2++ = c; 3625: #ifndef ALLOC 3626: if (p2 >= &linebuf[LBSIZE - 2] 3627: #else 3628: if (p2 >= &linebuf[lbsize - 2] 3629: #endif 3630: || n >= TABS * BPW) 3631: goto experr; 3632: n++; 3633: } while (!(tabs[n >> BPWC] >> (n & BPWM) & 01)); 3634: col = n; 3635: cnt++; 3636: continue; 3637: } else if ('\0' < c && c < ' ') { 3638: switch (c) { 3639: case '\b': 3640: col -= 2; 3641: break; 3642: case '\t': 3643: col += 7 - (col & 07); 3644: break; 3645: case '\r': 3646: col = -1; 3647: break; 3648: default: 3649: col--; 3650: } 3651: } 3652: if (c) { 3653: *p2++ = c; 3654: col++; 3655: #ifndef ALLOC 3656: if (p2 >= &linebuf[LBSIZE - 2] || 3657: #else 3658: if (p2 >= &linebuf[lbsize - 2] || 3659: #endif 3660: col >= TABS * BPW) 3661: experr: errmsg(12); 3662: } 3663: } 3664: *p2++ = 0; 3665: return(cnt); 3666: } 3667: #endif 3668: 3669: #ifdef DEBUG 3670: #ifdef EXPDMP 3671: expdmp() { 3672: register n; 3673: register char *ep, **p; 3674: register flag star; 3675: 3676: signal(SIGQIT, expdmp); 3677: ep = expbuf; 3678: putchar('"'); 3679: if (circfl) 3680: putchar('^'); 3681: while (*ep) { 3682: n = 0; 3683: star = 0; 3684: switch (*ep++) { 3685: case CCHR | STAR: 3686: star++; 3687: case CCHR: 3688: putchar(*ep++); 3689: break; 3690: case CDOT | STAR: 3691: star++; 3692: case CDOT: 3693: putchar('.'); 3694: break; 3695: case CDOL: 3696: putchar('$'); 3697: break; 3698: case CEOF: 3699: putchar('"'); 3700: goto done; 3701: case NCCL | STAR: 3702: star++; 3703: case NCCL: 3704: n++; 3705: goto ccl; 3706: case CCL | STAR: 3707: star++; 3708: case CCL: ccl: 3709: putchar('['); 3710: if (n) 3711: putchar('^'); 3712: n = *ep++; 3713: while (--n) 3714: putchar(*ep++); 3715: putchar(']'); 3716: break; 3717: case CBRA: 3718: putchar('\\'); 3719: putchar('('); 3720: ep++; 3721: break; 3722: case CKET: 3723: putchar('\\'); 3724: putchar(')'); 3725: ep++; 3726: break; 3727: case CBACK | STAR: 3728: star++; 3729: case CBACK: 3730: putchar('\\'); 3731: putchar(*ep++ + '1'); 3732: break; 3733: default: 3734: putchar('?'); 3735: break; 3736: } 3737: if (star) 3738: putchar('*'); 3739: } 3740: done: putchar('\n'); 3741: if (reading) 3742: reset(); 3743: } 3744: #endif 3745: #endif 3746: 3747: filename() { 3748: register char *p1, *p2; 3749: register charac c; 3750: 3751: appflg = 0; 3752: c = getchar(); 3753: if (c < 0) 3754: errmsg(59); 3755: if (c == '\n') { 3756: noname: 3757: if (savedfile[0] == 0) 3758: errmsg(62); 3759: scopy(savedfile, file); 3760: return; 3761: } 3762: if (c != ' ' && c != '\t' && c != ',' && c != '>') 3763: errmsg(5); 3764: if (c != ',') 3765: peekc = c; 3766: white_space(); 3767: if ((c = getchar()) == '>') { 3768: while ((c = getchar()) == '>'); 3769: appflg++; 3770: if (c == '\n') 3771: goto noname; 3772: peekc = c; 3773: white_space(); 3774: c = getchar(); 3775: } 3776: if (c == '\n') 3777: errmsg(7); 3778: p1 = file; 3779: do { 3780: *p1++ = c; 3781: if (p1 >= &file[FNSIZE - 2]) 3782: errmsg(11); 3783: } while ((c = getchar()) != '\n'); 3784: *p1++ = 0; 3785: if (savedfile[0] == 0) 3786: scopy(file, savedfile); 3787: } 3788: 3789: linep * 3790: findmark(alp, adflt) 3791: linep alp, *adflt; 3792: { 3793: register linep *a, v; 3794: #ifdef HUGE 3795: register i; 3796: 3797: i = hugef ^ 01; 3798: #endif 3799: v = alp; 3800: for (a = zero + 1; a <= dol; a++) 3801: if (v == (*a | 3802: #ifdef HUGE 3803: i 3804: #else 3805: 1 3806: #endif 3807: )) 3808: return(a); 3809: return(adflt); 3810: } 3811: 3812: flush_buf() { 3813: register n; 3814: 3815: if (n = linp - line) { 3816: linp = line; 3817: write(fout, line, n); 3818: } 3819: } 3820: 3821: #ifdef G_VFY 3822: gask(a1) 3823: linep *a1; 3824: { 3825: register charac c; 3826: 3827: col = 0; 3828: printlno(line_num = a1 - zero); 3829: puts(linebuf); 3830: puts2("Ok? "); 3831: flush_buf(); 3832: if ((c = getchar()) < 0) { 3833: putchar('\n'); 3834: return(-1); 3835: } 3836: if (c == '\n') 3837: return(1); 3838: skip_rest(); 3839: return(c != 'n'); 3840: } 3841: #endif 3842: 3843: char * 3844: getblock(atl, iof) { 3845: extern read(), write(); 3846: register bno, off; 3847: register linep *a; 3848: #ifdef HUGE 3849: register flag c; 3850: register func savint; 3851: 3852: bno = (atl >> (8 - hugef)) & _3[hugef]; 3853: off = (atl << (1 + hugef)) & _4[hugef]; 3854: #else 3855: bno = (atl >> 8) & _3; 3856: off = (atl << 1) & _4; 3857: #endif 3858: if (bno >= 3859: #ifdef HUGE 3860: _5[hugef] 3861: #else 3862: _5 3863: #endif 3864: ) { 3865: #ifdef HUGE 3866: if (!hugef && !globp) { /* let's try converting to huge */ 3867: if (!curt) { 3868: putsn("File too large for normal editing."); 3869: puts2("Conversion to \"huge\" mode disallows "); 3870: puts2("use of the global command."); 3871: } 3872: c = yes_no(curt? "?huge" : "Do you wish to convert", 3873: 1, 0, 0); 3874: if (c) { 3875: savint = signal(SIGINT, 1); 3876: for (a = zero + 1; a <= dol; a++) 3877: *a = ((unsigned)*a) >> 1; 3878: hugef++; 3879: hugef2++; /* conversion occurred */ 3880: atl = (atl >> 1) & _6[hugef]; 3881: #ifdef XDEL 3882: ndeleted = 0; /* useless pointers */ 3883: deleted = 0; 3884: #endif 3885: signal(SIGINT, savint); 3886: goto huger; 3887: } 3888: } 3889: #endif 3890: errmsg(34); 3891: } 3892: #ifdef HUGE 3893: huger: 3894: #endif 3895: nleft = BLKSIZE - off; 3896: if (bno == iblock && !badf) { 3897: ichanged |= iof; 3898: return(ibuff + off); 3899: } 3900: if (bno == oblock) 3901: return(obuff + off); 3902: if (iof == READ) { 3903: if (ichanged) { 3904: blkio(iblock, ibuff, write); 3905: ichanged = 0; 3906: } 3907: iblock = bno; 3908: blkio(bno, ibuff, read); 3909: return(ibuff + off); 3910: } 3911: if (oblock >= 0) 3912: blkio(oblock, obuff, write); 3913: oblock = bno; 3914: return(obuff + off); 3915: } 3916: 3917: charac 3918: getchar() { 3919: flush_buf(); 3920: eof = 0; 3921: if (lastc = peekc) { 3922: peekc = 0; 3923: return(lastc); 3924: } 3925: if (globp) { 3926: if (lastc = *globp++) { 3927: if (globf2 && *globp == 0) 3928: globp = globf2 = 0; 3929: return(lastc); 3930: } 3931: globp = 0; 3932: return(EOF); 3933: } 3934: #ifdef AGAIN 3935: if (agf 3936: #ifdef USE 3937: && !alt 3938: #endif 3939: ) { /* "again" stuff */ 3940: if (lastc = *agp++) 3941: return(lastc); 3942: agf = agp = 0; 3943: } 3944: #endif 3945: reading++; 3946: #ifdef USE 3947: if (read(alt, &lastc, 1) <= 0) { 3948: #endif 3949: #ifndef USE 3950: if (read(0, &lastc, 1) <= 0) { 3951: #endif 3952: reading = 0; 3953: eof++; 3954: return(lastc = EOF); 3955: } 3956: reading = 0; 3957: lastc &= 0177; 3958: #ifdef APLMAP 3959: if (aplmap && lastc > ' ') 3960: lastc = map_ascii[lastc - (' ' + 1)]; 3961: #endif 3962: #ifdef EOL 3963: if (lastc == '\n') 3964: prompt3 = 1; 3965: else if (eol && lastc == eol) { 3966: lastc = '\n'; 3967: prompt3 = 0; 3968: } 3969: #endif 3970: #ifdef CMDS 3971: if (cmd) 3972: write(cmd, &lastc, 1); 3973: #endif 3974: eof = 0; 3975: return(echo(lastc)); 3976: } 3977: 3978: getcopy() { 3979: if (addr1 > addr2) 3980: return(EOF); 3981: getline(*addr1++); 3982: return(0); 3983: } 3984: 3985: getfile() { 3986: register charac c; 3987: register char *lp, *fp; 3988: 3989: lp = linebuf; 3990: fp = nextip; 3991: do { 3992: if (--ninbuf < 0) { 3993: #ifndef ALLOC 3994: if ((ninbuf = read(io, genbuf, LBSIZE) - 1) < 0) 3995: #else 3996: if ((ninbuf = read(io, genbuf, lbsize) - 1) < 0) 3997: #endif 3998: if (lp == linebuf) 3999: return(EOF); 4000: else { 4001: lp++; 4002: break; 4003: } 4004: fp = genbuf; 4005: } 4006: #ifndef ALLOC 4007: if (lp >= &linebuf[LBSIZE - 2] && (*fp & 0177) != '\n') { 4008: #else 4009: if (lp >= &linebuf[lbsize - 2] && (*fp & 0177) != '\n') { 4010: #endif 4011: printf((curt? "?long%u\n" : "line %u in file too long\n"), 4012: dot - zero + 1); 4013: flush_buf(); 4014: lp++; 4015: ninbuf++; 4016: break; 4017: } 4018: if ((*lp++ = c = *fp++ & 0177) == 0) { 4019: lp--; 4020: continue; 4021: } 4022: } while (c != '\n'); 4023: *--lp = 0; 4024: nextip = fp; 4025: return(0); 4026: } 4027: 4028: getline(tl) { 4029: register char *bp, *lp; 4030: register nl; 4031: 4032: #ifdef DEBUG 4033: if (tflg) 4034: printf("getline:\t%o\n", tl); 4035: #endif 4036: lp = linebuf; 4037: bp = getblock(tl, READ); 4038: #ifdef HUGE 4039: if (hugef2) { 4040: hugef2 = 0; 4041: tl = (tl >> 1) & _6[hugef]; 4042: } 4043: tl &= _1[hugef]; 4044: #else 4045: tl &= _1; 4046: #endif 4047: nl = nleft; 4048: while (*lp++ = *bp++) 4049: if (--nl <= 0) { 4050: #ifdef HUGE 4051: bp = getblock(tl += _2[hugef], READ); 4052: #else 4053: bp = getblock(tl += _2, READ); 4054: #endif 4055: nl = nleft; 4056: } 4057: return(linebuf); 4058: } 4059: 4060: getnum() { 4061: register n; 4062: register charac c; 4063: 4064: n = 0; 4065: while ('0' <= (c = getchar()) && c <= '9') 4066: n = n * 10 + c - '0'; 4067: peekc = c; 4068: return(n); 4069: } 4070: 4071: getsnum() { 4072: register sign; 4073: 4074: if (sign = (peekc = getchar()) == '-') 4075: peekc = 0; 4076: return(sign? -getnum() : getnum()); 4077: } 4078: 4079: getsub() { 4080: register char *p1, *p2; 4081: 4082: p1 = linebuf; 4083: if ((p2 = linebp) == 0) 4084: return(EOF); 4085: while (*p1++ = *p2++); 4086: linebp = 0; 4087: return(0); 4088: } 4089: 4090: gettty(single) { 4091: register charac c; 4092: register char *p, *gf; 4093: #ifdef TABS 4094: int tabf; 4095: 4096: tabf = 0; 4097: #endif 4098: p = linebuf; 4099: gf = globp; 4100: #ifdef EOL 4101: if (prompt2 && prompt3 && !single) { 4102: #endif 4103: #ifndef EOL 4104: if (prompt2 && !single) { 4105: #endif 4106: printlno(line_num); 4107: flush_buf(); 4108: } 4109: line_num++; 4110: while ((c = getchar()) != '\n') { 4111: if (c < 0) { 4112: if (gf) 4113: peekc = c; 4114: else if (prompt2 && (prompt1 || !zflg)) 4115: putchar('\n'); 4116: if (p > linebuf) 4117: break; 4118: return(c); 4119: } 4120: if ((c &= 0177) == 0) 4121: continue; 4122: #ifdef TABS 4123: if (tabc && c == tabc) 4124: tabf++; 4125: #endif 4126: *p++ = c; 4127: #ifndef ALLOC 4128: if (p >= &linebuf[LBSIZE - 2]) 4129: #else 4130: if (p >= &linebuf[lbsize - 2]) 4131: #endif 4132: errmsg(30); 4133: } 4134: *p++ = 0; 4135: #ifdef TABS 4136: if (tabf) 4137: expand(); 4138: #endif 4139: if (!single && linebuf[0] == '.' && linebuf[1] == 0) 4140: return(EOF); 4141: return(0); 4142: } 4143: 4144: global(k) { 4145: register char *gp; 4146: register charac c; 4147: register linep *a1; 4148: register flag globpf; 4149: char globuf[GBSIZE]; 4150: 4151: #ifdef HUGE 4152: if (hugef) 4153: errmsg(10); 4154: #endif 4155: if (globp) 4156: errmsg(37); 4157: setall(); 4158: nonzero(); 4159: if ((c = getchar()) == '\n') 4160: peekc = c; 4161: compile(c); 4162: #ifdef G_VFY 4163: gaskf = 0; 4164: if ((peekc = getchar()) == 'v') { 4165: gaskf++; 4166: peekc = 0; 4167: } 4168: #endif 4169: globpf = pflag; 4170: if (peekc == '\n') 4171: globpf = 0; 4172: pflag = 0; 4173: gp = globuf; 4174: if ((peekc = getchar()) < 0) 4175: errmsg(59); 4176: if (peekc == '\n') { 4177: *gp++ = 'p'; 4178: peekc = 0; 4179: } else 4180: while ((c = getchar()) != '\n') { 4181: if (c == '\\') { 4182: c = getchar(); 4183: if (c != '\n') 4184: *gp++ = '\\'; 4185: } 4186: if (c < 0) 4187: errmsg(59); 4188: *gp++ = c; 4189: if (gp >= &globuf[GBSIZE - 2]) 4190: errmsg(38); 4191: } 4192: *gp++ = '\n'; 4193: *gp = 0; 4194: c = 0; 4195: #ifdef LOG 4196: #ifdef G_VFY 4197: if (gaskf) 4198: ++logstats.lc_gvfy; 4199: #endif 4200: if (k) 4201: ++logstats.lc_global; 4202: else 4203: ++logstats.lc_vglobal; 4204: #endif 4205: for (a1 = zero + 1; a1 <= dol; a1++) { 4206: *a1 &= ~01; 4207: s_tmp = 0; 4208: if (a1 >= addr1 && a1 <= addr2 && execute(0, a1) == k) 4209: #ifdef G_VFY 4210: if (!gaskf || (c = gask(a1))) 4211: if (c < 0) 4212: addr2 = a1; 4213: else 4214: #endif 4215: *a1 |= 01; 4216: } 4217: for (a1 = zero + 1; a1 <= dol; a1++) 4218: if (*a1 & 01) { 4219: *a1 &= ~01; 4220: dot = a1; 4221: globp = globuf; 4222: pflag = globpf; 4223: commands(1); 4224: a1 = zero; 4225: } 4226: } 4227: 4228: hangup() { 4229: signal(SIGHUP, 1); 4230: if (reading) { 4231: backup(HUP); 4232: if (fout != 1) { 4233: flush_buf(); 4234: fout = 1; 4235: } 4236: puts2(errtext[57]); 4237: delexit(1); 4238: } 4239: hupflag++; 4240: } 4241: 4242: header() { 4243: register colnum, number; 4244: register flag lf; 4245: 4246: number = 0; 4247: if ((peekc = getchar()) != '\n') { 4248: white_space(); 4249: number = getnum(); 4250: } 4251: if (!number) 4252: number = ccount - (prompt1? 8 : 0); 4253: newline(); 4254: if (zero != dol) 4255: dot = addr2; 4256: lf = listf; 4257: listf = 0; 4258: if (prompt1) 4259: putchar('\t'); 4260: for (colnum = 0; colnum < number / 10; colnum++) 4261: printf("%10d", colnum + 1); 4262: putchar('\n'); 4263: if (prompt1) 4264: putchar('\t'); 4265: for (colnum = 1; colnum <= number; colnum++) 4266: #ifdef TABS 4267: if (colnum < (TABS << BPWC) && 4268: (tabs[(colnum - 1) >> BPWC] >> 4269: ((colnum - 1) & BPWM) & 01)) 4270: putchar('-'); 4271: else 4272: #endif 4273: putchar(colnum % 10 + '0'); 4274: putchar('\n'); 4275: listf = lf; 4276: } 4277: 4278: init() { 4279: register n; 4280: register char *p; 4281: 4282: if (tfile > 0) 4283: close(tfile); 4284: if (io) { 4285: close(io); 4286: io = 0; 4287: io_w = 0; 4288: } 4289: #ifdef HELP 4290: if (doc) { 4291: close(doc); 4292: doc = 0; 4293: } 4294: #endif 4295: #ifdef USE 4296: if (alt) { 4297: close(alt); 4298: alt = 0; 4299: eflg2 = 0; 4300: } 4301: #endif 4302: #ifdef PIPE 4303: if (pfile) { 4304: close(pfile); 4305: unlink(pfname); 4306: pfile = 0; 4307: } 4308: #endif 4309: tline = 0; 4310: #ifdef XDEL 4311: deleted = 0; 4312: ndeleted = 0; 4313: #endif 4314: num_reads = 0; 4315: text_modified = 0; 4316: #ifdef YINT 4317: yplus = 0; 4318: #endif 4319: #ifdef UNDO 4320: undo_oldp = 0; 4321: undo_newp = 0; 4322: #endif 4323: #ifdef V7 4324: if (overfile) { 4325: chmod(overfile, overmode); 4326: overfile = 0; 4327: } 4328: #endif 4329: iblock = oblock = -1; 4330: badf = 0; 4331: ichanged = 0; 4332: if ((n = create(tfname, LMODE)) < 0) { 4333: putsn(errtext[50]); 4334: exit(1); 4335: } 4336: close(n); 4337: if ((tfile = open(tfname, 2)) < 0) { 4338: putsn(errtext[36]); 4339: exit(1); 4340: } 4341: addr1 = addr2 = dot = dotdot = lastdot = zero = dol = fendcore; 4342: endcore = fendcore - 2; 4343: brk(fendcore); 4344: n = 26; 4345: while (--n >= 0) { /* kill marks */ 4346: names[n] = 0; 4347: #ifdef EXTMARK 4348: names2[n] = 0; 4349: #endif 4350: } 4351: p = globp; 4352: globp = 0; 4353: if (chk()) { 4354: if ((io = open(file, 0)) < 0) { 4355: io = 0; 4356: lastc = '\n'; 4357: if (curt) 4358: putsn("?53"); 4359: else { 4360: puts2(errtext[53]); 4361: putsn(file); 4362: } 4363: flush_buf(); 4364: } else { 4365: n = append(getfile, addr1, 0, 0); 4366: if (prompt2) 4367: printf((curt? prcntu : errtext[55]), 4368: n, (n == 1? null : quote_s)); 4369: if (n) { 4370: num_reads++; 4371: text_modified++; 4372: } 4373: if (io) { 4374: close(io); 4375: io = 0; 4376: io_w = 0; 4377: } 4378: } 4379: return(1); 4380: } 4381: globp = p; 4382: return(0); 4383: } 4384: 4385: istty(fd) { 4386: register r; 4387: short buf[3]; /* naughty int's */ 4388: 4389: buf[2] = BS1; 4390: r = 0; 4391: if (gtty(fd, buf) >= 0) 4392: ++r; 4393: #ifdef CLEAR 4394: zflg = (buf[2] & BS1) == 0; 4395: #endif 4396: if (pipef 4397: #ifdef V7 4398: || getenv("_NO_STDIO_BUF") 4399: #endif 4400: ) 4401: ++r; 4402: return(r); 4403: } 4404: 4405: #ifdef XED 4406: join() { 4407: register linep *a1; 4408: register char *p1, *p2; 4409: register charac c, ceof; 4410: 4411: setdot(); 4412: nonzero(); 4413: if (addr1 == addr2) 4414: --addr1; 4415: if (addr1 <= zero) 4416: errmsg(60); 4417: 4418: p2 = rhsbuf; 4419: if ((c = peekc = getchar()) < 0) 4420: errmsg(59); 4421: ceof = 0; 4422: if (peekc != '\n' && peekc != 'p' && peekc != 'l' 4423: #ifdef PARENS 4424: && peekc != 'b' 4425: #endif 4426: #ifdef STRLEN 4427: && peekc != 'q' 4428: #endif 4429: ) { 4430: ceof = peekc; 4431: peekc = 0; 4432: while ((c = getchar()) != ceof && c != '\n') { 4433: if (c < 0) 4434: errmsg(59); 4435: if (c == '\\') 4436: if ((c = getchar()) == '\n') 4437: errmsg(46); 4438: *p2++ = c; 4439: if (p2 >= &rhsbuf[LBSIZE / 2 - 2]) 4440: errmsg(42); 4441: } 4442: if (c != '\n') 4443: c = '\0'; 4444: else 4445: if (prompt2) 4446: pflag++; 4447: if (p2 != rhsbuf) 4448: *p2 = '\0'; 4449: if (*rhsbuf == 0) 4450: errmsg(27); 4451: #ifdef LOG 4452: ++logstats.lc_jglue; 4453: #endif 4454: } 4455: #ifdef LOG 4456: else 4457: ++logstats.lc_join; 4458: #endif 4459: peekc = c; 4460: newline(); 4461: 4462: p1 = rhsbuf; 4463: while (*p1) 4464: if (*p1++ == '\n') 4465: errmsg(46); 4466: 4467: p2 = genbuf; 4468: a1 = addr1; 4469: 4470: while (a1 <= addr2) { 4471: p1 = getline(*a1++); 4472: while (*p2++ = *p1++) 4473: #ifndef ALLOC 4474: if (p2 >= &genbuf[LBSIZE - 2]) 4475: #else 4476: if (p2 >= &genbuf[lbsize - 2]) 4477: #endif 4478: errmsg(12); 4479: --p2; 4480: if (ceof && a1 <= addr2) { 4481: p1 = rhsbuf; 4482: while (*p2++ = *p1++) 4483: #ifndef ALLOC 4484: if (p2 >= &genbuf[LBSIZE - 2]) 4485: #else 4486: if (p2 >= &genbuf[lbsize - 2]) 4487: #endif 4488: errmsg(12); 4489: --p2; 4490: } 4491: } 4492: *p2 = '\0'; 4493: 4494: p1 = genbuf; 4495: p2 = linebuf; 4496: while (*p2++ = *p1++); 4497: 4498: a1 = putline(); 4499: savemark(*addr1, a1); 4500: *addr1++ = a1; 4501: delete(); 4502: dot = --addr1; 4503: if (dot > dol) 4504: dot = dol; 4505: } 4506: #endif 4507: 4508: #ifdef TABS 4509: listabs() { 4510: register n; 4511: 4512: if (maxtab < 0) 4513: errmsg(9); 4514: n = next_tab(-1); 4515: printf("tabs: %d", n + 1); 4516: while ((n = next_tab(n)) >= 0) 4517: printf(",%d", n + 1); 4518: putchar('\n'); 4519: } 4520: #endif 4521: 4522: mail() { 4523: delexit(1); 4524: } 4525: 4526: move(cflag) { 4527: extern getcopy(); 4528: register linep *adt, *ad1, *ad2; 4529: 4530: setdot(); 4531: nonzero(); 4532: if ((adt = address()) == 0) 4533: errmsg(31); 4534: ad1 = addr1; 4535: ad2 = addr2; 4536: newline(); 4537: if (cflag) { 4538: ad1 = dol; 4539: append(getcopy, ad1++, 0, 0); 4540: ad2 = dol; 4541: } 4542: ad2++; 4543: if (adt < ad1) { 4544: dot = adt + (ad2 - ad1); 4545: if (++adt == ad1) 4546: return; 4547: reverse(adt, ad1); 4548: reverse(ad1, ad2); 4549: reverse(adt, ad2); 4550: } else if (adt >= ad2) { 4551: dot = adt++; 4552: reverse(ad1, ad2); 4553: reverse(ad2, adt); 4554: reverse(ad1, adt); 4555: } else 4556: errmsg(28); 4557: } 4558: 4559: newline() { 4560: register charac c; 4561: 4562: if ((c = getchar()) == '\n') 4563: return; 4564: if (c == 'p' || c == 'l' 4565: #ifdef PARENS 4566: || c == 'b' 4567: #endif 4568: #ifdef STRLEN 4569: || c == 'q' 4570: #endif 4571: ) { 4572: pflag++; 4573: if (c == 'l') 4574: listf++; 4575: #ifdef PARENS 4576: else if (c == 'b') 4577: parenf++; 4578: #endif 4579: #ifdef STRLEN 4580: else if (c == 'q') 4581: quotef++; 4582: #endif 4583: if (getchar() == '\n') 4584: return; 4585: } 4586: errmsg(25); 4587: } 4588: 4589: #ifdef TABS 4590: next_tab(acol) { 4591: register n; 4592: 4593: if ((n = acol) < maxtab) { 4594: do { 4595: n++; 4596: } while (!(tabs[n >> BPWC] >> (n & BPWM) & 01)); 4597: return(n); 4598: } 4599: return(-1); 4600: } 4601: #endif 4602: 4603: nonzero() { 4604: if (addr1 <= zero) 4605: errmsg(23); 4606: if (addr2 > dol) 4607: errmsg(24); 4608: } 4609: 4610: #ifdef PIPE 4611: oil_spilled() { 4612: if (!iflg) { 4613: signal(SIGINT, 1); 4614: signal(SIGQIT, 1); 4615: } 4616: signal(SIGPIP, 1); 4617: piperr++; 4618: } 4619: #endif 4620: 4621: onintr() { 4622: register char *p1, *p2; 4623: 4624: signal(SIGINT, onintr); 4625: #ifdef USE 4626: if (alt) { 4627: close(alt); 4628: alt = 0; 4629: eflg2 = 0; 4630: } 4631: #endif 4632: if (io) { 4633: if (curt) 4634: putsn("?intI/O"); 4635: else { 4636: puts2("\7Interrupted I/O!!!\7\nWarning: \""); 4637: puts2(file); 4638: if (io_w) { 4639: putsn("\" is probably truncated."); 4640: puts2("You should probably re-write it."); 4641: } else { 4642: putsn("\" was not read entirely."); 4643: puts2("If you write the buffer, "); 4644: puts2("part of the file may be lost."); 4645: } 4646: } 4647: flush_buf(); 4648: } 4649: #ifdef EOL 4650: prompt3 = 1; 4651: #endif 4652: if (fout != 1) { 4653: close(fout); 4654: fout = 1; 4655: } 4656: #ifdef YINT 4657: if (!globp && reading && yflg) { 4658: globp = ".:\n"; 4659: if (yplus) { 4660: dot = findmark(yplus, 0); 4661: } else 4662: globp++; 4663: peekc = 0; 4664: putchar('\n'); 4665: commands(1); 4666: reset(); 4667: } 4668: #endif 4669: if (iflg) { 4670: signal(SIGINT, 1); 4671: backup(INT); 4672: delexit(1); 4673: } 4674: putchar(lastc = '\n'); 4675: errmsg(29); 4676: } 4677: 4678: override() { 4679: struct stat s; 4680: 4681: if (access(file, 02) < 0) { 4682: if (stat(file, &s) >= 0 && (s.st_mode & S_IFMT) == S_IFREG) { 4683: overmode = s.st_mode & 07777; 4684: if (chmod(file, overmode) < 0) 4685: return; 4686: if (immflg == 0) { 4687: if (curt) { 4688: puts2("?\""); 4689: puts2(file); 4690: puts2("\" "); 4691: } else { 4692: puts2("The file \""); 4693: puts2(file); 4694: puts2("\" is write-protected."); 4695: } 4696: if (yes_no(curt? "override" : 4697: "Do you wish to over-ride the permission", 4698: 0, 1, 1)) 4699: return; 4700: } 4701: overfile = file; 4702: if (chmod(overfile, overmode | 0200) < 0) 4703: overfile = 0; 4704: else { 4705: putsn("[over-riding]"); 4706: #ifdef LOG 4707: ++logstats.lm_overwrite; 4708: #endif 4709: } 4710: } 4711: } 4712: } 4713: 4714: #ifdef PAGE 4715: page() { 4716: register cl, n; 4717: register char *p, *pp; 4718: register linep *a, *b; 4719: register l; 4720: 4721: a = addr1; 4722: if (addr2 != addr1) 4723: b = addr2; 4724: else 4725: b = dol; 4726: #ifdef PARENS 4727: parenc[0] = 0; 4728: parenc[1] = 0; 4729: parenc[2] = 0; 4730: #endif 4731: for (n = pcount; n >= 0 && a <= b; n--) { 4732: pp = p = getline(*a); 4733: cl = prompt1? 8 : 0; 4734: l = 0; 4735: while (*p) { 4736: if (*p < ' ' || *p > '~') 4737: switch (*p) { 4738: case '\b': 4739: if (listf) 4740: cl++; 4741: else { 4742: cl--; 4743: if (aflg 4744: #ifdef PARENS 4745: && !parenf 4746: #endif 4747: #ifdef STRLEN 4748: && !quotef 4749: #endif 4750: ) 4751: l++; 4752: } 4753: break; 4754: case '\t': 4755: if (listf) 4756: cl++; 4757: else 4758: cl += 8 - cl % 8; 4759: break; 4760: case '\r': 4761: if (listf) 4762: cl += 2; 4763: else 4764: cl = 0; 4765: break; 4766: case ctrl('L'): /* ADM-3A's */ 4767: if (listf) 4768: cl++; 4769: cl++; 4770: break; 4771: default: 4772: if (listf || zflg) 4773: cl += 2; 4774: } 4775: else 4776: cl++; 4777: #ifdef PARENS 4778: if (parenf && paren(*p)) 4779: l++; 4780: #endif 4781: #ifdef STRLEN 4782: /* if (quotef && (*p == '"' || *p == '\'')) */ 4783: if (quotef && (quotec? *p == quotec : 4784: *p == '"' || *p == '\'')) 4785: l++; 4786: #endif 4787: if (cl < 0) 4788: cl = 0; 4789: else if (cl > ccount) { 4790: cl = 0; 4791: if (--n < 0) 4792: goto done; 4793: } 4794: p++; 4795: } 4796: if (l) 4797: if (--n < 0) 4798: goto done; 4799: col = 0; 4800: printlno(line_num = a - zero); 4801: puts(pp); 4802: a++; 4803: } 4804: done: 4805: dot = a - 1; 4806: } 4807: #endif 4808: 4809: #ifdef PARENS 4810: paren(ac) { 4811: switch (ac) { 4812: case '(': return(1); 4813: case '[': return(2); 4814: case '{': return(3); 4815: case ')': return(-1); 4816: case ']': return(-2); 4817: case '}': return(-3); 4818: } 4819: return(0); 4820: } 4821: #endif 4822: 4823: place(asp, al1, al2) { 4824: register char *sp, *l1, *l2; 4825: 4826: sp = asp; 4827: l1 = al1; 4828: l2 = al2; 4829: while (l1 < l2) { 4830: *sp++ = *l1++; 4831: #ifndef ALLOC 4832: if (sp >= &genbuf[LBSIZE - 2]) 4833: #else 4834: if (sp >= &genbuf[lbsize - 2]) 4835: #endif 4836: errmsg(42); 4837: } 4838: return(sp); 4839: } 4840: 4841: /*VARARGS*/ 4842: printf(as, aarglist) 4843: char *as; 4844: { 4845: register *args, w; 4846: register char *q; 4847: register flag f; 4848: 4849: args = &aarglist; 4850: while (*as) { 4851: if (*as != '%') { 4852: putchar(*as++); 4853: continue; 4854: } 4855: if (*++as == '\0') 4856: return; 4857: w = 0; /* no default width */ 4858: f = 0; /* unsigned default */ 4859: while ('0' <= *as && *as <= '9') 4860: w = w * 10 + *as++ - '0'; 4861: if (*as == '\0') 4862: return; 4863: switch (*as++) { 4864: case 'c': /* char */ 4865: putchar(*args++); 4866: continue; 4867: case 'd': /* signed decimal */ 4868: f = 1; /* signed */ 4869: case 'u': /* unsigned decimal */ 4870: printfn(*args++, 10, f, w); 4871: continue; 4872: case 'o': /* unsigned octal */ 4873: printfn(*args++, 8, 0, w); 4874: continue; 4875: case 's': /* string */ 4876: q = *args++; 4877: while (*q) { 4878: putchar(*q++); 4879: --w; 4880: } 4881: while (--w > 0) 4882: putchar(' '); 4883: continue; 4884: default: 4885: putchar(as[-1]); 4886: continue; 4887: } 4888: } 4889: } 4890: 4891: printfn(an, ab, af, aw) { 4892: register w; 4893: register unsigned n; 4894: register char *p; 4895: char buf[(sizeof(int) != 2? 10 : 6) + 2]; 4896: 4897: w = aw; 4898: p = &buf[sizeof buf]; 4899: *--p = '\0'; 4900: n = an; 4901: if (af) 4902: if (an < 0) 4903: n = -an; 4904: else 4905: af = 0; 4906: do { 4907: *--p = n % ab + '0'; 4908: --w; 4909: } while (n /= ab); 4910: if (af) { 4911: *--p = '-'; 4912: --w; 4913: } 4914: while (--w >= 0) 4915: putchar(' '); 4916: while (*p) 4917: putchar(*p++); 4918: } 4919: 4920: printlno(an) { 4921: register flag l; 4922: 4923: if (prompt1) { 4924: l = listf; 4925: listf = 0; 4926: printf(fmtlno, an - aflg); 4927: col = 8; 4928: listf = l; 4929: } 4930: } 4931: 4932: printmarks() { 4933: register linep *a1; 4934: register charac c; 4935: register n, i; 4936: 4937: #ifdef HUGE 4938: i = hugef ^ 01; 4939: #endif 4940: for (c = 'a' - 'a'; c <= 'z' - 'a'; c++) { 4941: if (names[c] == 0) /* zap marks to deleted lines */ 4942: continue; 4943: n = 0; 4944: for (a1 = zero + 1; a1 <= dol; a1++) 4945: if (names[c] == (*a1 | 4946: #ifdef HUGE 4947: i 4948: #else 4949: 01 4950: #endif 4951: )) { 4952: n++; 4953: printf("%c=%u", c + 'a', a1 - zero); 4954: #ifdef EXTMARK 4955: if (names2[c]) { 4956: for (a1++; a1 <= dol; a1++) 4957: if (names2[c] == (*a1 | 01)) { 4958: printf(",%u", a1 - zero); 4959: break; 4960: } 4961: } 4962: #endif 4963: putchar(' '); 4964: break; 4965: } 4966: if (n == 0) 4967: names[c] = 0; /* clear unknown marks */ 4968: } 4969: putchar('\n'); 4970: } 4971: 4972: putchar(ac) 4973: charac ac; 4974: { 4975: register char *lp; 4976: register charac c; 4977: 4978: lp = linp; 4979: c = ac; 4980: #ifdef APLMAP 4981: if (aplmap && fout == 1 && c > ' ') 4982: c = map_apl[c - (' ' + 1)]; 4983: #endif 4984: if (listf) { 4985: if (++col >= ccount - 1) { 4986: col = 1; 4987: if (c != '\n') { 4988: *lp++ = '\\'; 4989: *lp++ = '\n'; 4990: } 4991: } 4992: if (c == '\t') { 4993: c = '>'; 4994: goto esc; 4995: } 4996: if (c == '\b') { 4997: c = '<'; 4998: esc: 4999: *lp++ = '-'; 5000: *lp++ = '\b'; 5001: *lp++ = c; 5002: goto out; 5003: } 5004: if (c < ' ' && c != '\n' || c == 0177) { 5005: *lp++ = '^'; 5006: *lp++ = c ^ 0100; 5007: col++; 5008: goto out; 5009: } 5010: } 5011: *lp++ = c; 5012: out: 5013: if (lp >= &line[TTSIZE]) { 5014: linp = line; 5015: write(fout, line, lp - line); 5016: return; 5017: } 5018: linp = lp; 5019: } 5020: 5021: putfile() { 5022: register char *fp, *lp; 5023: register nib; 5024: register linep *a1; 5025: 5026: nib = BLKSIZE; 5027: fp = genbuf; 5028: a1 = addr1; 5029: do { 5030: lp = getline(*a1++); 5031: for ever { 5032: if (--nib < 0) { 5033: wte(io, genbuf, fp - genbuf); 5034: nib = BLKSIZE - 1; 5035: fp = genbuf; 5036: } 5037: if ((*fp++ = *lp++) == 0) { 5038: fp[-1] = '\n'; 5039: break; 5040: } 5041: } 5042: } while (a1 <= addr2); 5043: wte(io, genbuf, fp - genbuf); 5044: } 5045: 5046: putline() { 5047: register char *bp, *lp; 5048: register nl, tl; 5049: 5050: lp = linebuf; 5051: tl = tline; 5052: #ifdef DEBUG 5053: if (tflg) 5054: printf("putline:\t%o\n", tl); 5055: #endif 5056: bp = getblock(tl, WRITE); 5057: #ifdef HUGE 5058: if (hugef2) { 5059: hugef2 = 0; 5060: tl = tline = (tline >> 1) & _6[hugef]; 5061: } 5062: tl &= _1[hugef]; 5063: #else 5064: tl &= _1; 5065: #endif 5066: nl = nleft; 5067: while (*bp = *lp++) { 5068: if (*bp++ == '\n') { 5069: *--bp = 0; 5070: linebp = lp; 5071: break; 5072: } 5073: if (--nl <= 0) { 5074: #ifdef HUGE 5075: bp = getblock(tl += _2[hugef], WRITE); 5076: #else 5077: bp = getblock(tl += _2, WRITE); 5078: #endif 5079: nl = nleft; 5080: } 5081: } 5082: nl = tline; 5083: #ifdef HUGE 5084: tline += (((lp - linebuf) + 03) >> (1 + hugef)) & _6[hugef]; 5085: #else 5086: tline += (((lp - linebuf) + 03) >> 1) & _6; 5087: #endif 5088: return(nl); 5089: } 5090: 5091: #ifdef PARENS 5092: putparen(an) { 5093: register c; 5094: 5095: an %= 10 + 26 + 26; 5096: if (an < 0) 5097: an += 10 + 26 + 26; 5098: c = '0'; 5099: if (an > 9 + 26) 5100: c = 'a' - (10 + 26); 5101: else if (an > 9) 5102: c = 'A' - 10; 5103: putchar(c + an); 5104: } 5105: #endif 5106: 5107: puts(as) { 5108: register n; 5109: register flag ovp; 5110: register char *sp, *s; 5111: 5112: sp = as; 5113: ovp = 0; 5114: while (*sp) { 5115: if (aflg && 5116: #ifdef PARENS 5117: !parenf && 5118: #endif 5119: #ifdef STRLEN 5120: !quotef && 5121: #endif 5122: !listf && *sp == '\b') { 5123: ovp = 1; 5124: sp += 2; 5125: continue; 5126: } 5127: #ifdef PARENS 5128: if (!ovp && parenf && !listf && paren(*sp)) 5129: ovp = 1; 5130: #endif 5131: #ifdef STRLEN 5132: /* if (!ovp && quotef && !listf && (*sp == '"' || *sp == '\'')) */ 5133: if (!ovp && quotef && !listf && ( 5134: quotec? *sp == quotec : *sp == '"' || *sp == '\'')) 5135: ovp = 1; 5136: #endif 5137: putchar(*sp++); 5138: } 5139: sp = as; 5140: if (aflg && ovp && 5141: #ifdef PARENS 5142: !parenf && 5143: #endif 5144: #ifdef STRLEN 5145: !quotef && 5146: #endif 5147: !listf) { 5148: putchar('\n'); 5149: if (prompt1) 5150: putchar('\t'); 5151: for (; *sp; sp++) 5152: if (sp[1] == '\b' && sp[2]) { 5153: putchar(sp[2]); 5154: sp += 2; 5155: } else if (*sp == '\t') 5156: putchar('\t'); 5157: else if (*sp >= ' ') 5158: putchar(' '); 5159: ovp = 0; 5160: } 5161: #ifdef PARENS 5162: if (parenf && ovp && !listf) { 5163: putchar('\n'); 5164: if (prompt1) 5165: putchar('\t'); 5166: for (; *sp; sp++) 5167: if (n = paren(*sp)) { 5168: if (n < 0) { 5169: n = -n - 1; 5170: putparen(parenc[n]--); 5171: } else 5172: putparen(++parenc[--n]); 5173: } else if (*sp == '\t' || *sp >= ' ') 5174: putchar(*sp == '\t'? '\t' : ' '); 5175: ovp = 0; 5176: } 5177: #endif 5178: #ifdef STRLEN 5179: if (quotef && ovp && !listf) { 5180: s = null; 5181: n = 0; 5182: ovp = 0; 5183: putchar('\n'); 5184: if (prompt1) 5185: putchar('\t'); 5186: for (; *sp; sp++) { 5187: /* if (n == 0 && (*sp == '"' || *sp == '\'') || */ 5188: if (n == 0 && (quotec? *sp == (ovp? 5189: quotec : quotec2) : *sp == '"' || *sp == '\'') || 5190: *sp == n) { 5191: if (ovp) { 5192: ovp = 0; 5193: goto not; 5194: } 5195: if (n) 5196: n = 0; 5197: else { 5198: s = sp++; 5199: n = 0; 5200: while (*sp && *sp != *s) { 5201: if (*sp == '\\') { 5202: if ('0' <= *++sp && *sp <= '7') { 5203: if ('0' <= *++sp && *sp <= '7') 5204: if ('0' <= *++sp && *sp <= '7') 5205: sp++; 5206: } else 5207: sp++; 5208: } else 5209: sp++; 5210: n++; 5211: } 5212: sp = s; 5213: s = &"00000"[5]; 5214: do { 5215: *--s = n % 10 + '0'; 5216: } while (n /= 10); 5217: n = *sp; 5218: } 5219: } 5220: not: if (*s) 5221: putchar(*s++); 5222: else 5223: putchar(*sp == '\t'? '\t' : ' '); 5224: if (*sp == '\\') 5225: ovp ^= 01; 5226: } 5227: ovp = 0; 5228: } 5229: #endif 5230: putchar('\n'); 5231: } 5232: 5233: puts2(as) { 5234: register char *sp; 5235: 5236: sp = as; 5237: while (*sp) 5238: putchar(*sp++); 5239: } 5240: 5241: #ifdef CKPT 5242: recover() { 5243: extern etext; 5244: register filedes f; 5245: register char *p; 5246: register func savint, savqit; 5247: int n; 5248: 5249: savint = signal(SIGINT, 1); 5250: savqit = signal(SIGQIT, 1); 5251: if ((f = open(cfname, 0)) < 0 || 5252: read(f, &n, sizeof n) != sizeof n) { 5253: n = 67; 5254: goto cerror; 5255: } 5256: p = &etext; 5257: if (brk(p + n) == -1) { 5258: n = 67; 5259: goto cerror; 5260: } 5261: #ifdef pdp11 /* 16 bit byte count only */ 5262: if (n < 0) { 5263: if (read(f, p, 32256) != 32256) { 5264: n = 67; 5265: goto cerror; 5266: } 5267: n -= 32256; /* 63 blocks, since 64 is < 0 */ 5268: p += 32256; 5269: } 5270: #endif 5271: if (read(f, p, n) != n || 5272: (tfile = open(tfname, 2)) < 0) 5273: n = 67; 5274: else 5275: n = 0; 5276: recovry = 1; /* overwritten by reading data space */ 5277: cerror: 5278: if (n) { 5279: puts(errtext[n]); 5280: exit(1); 5281: } 5282: if (f > 0) 5283: close(f); 5284: 5285: /* 5286: * "initialize" special stuff to restore order 5287: */ 5288: 5289: globp = 0; 5290: io = 0; 5291: io_w = 0; 5292: #ifdef HELP 5293: doc = 0; 5294: #endif 5295: #ifdef USE 5296: alt = 0; 5297: #endif 5298: #ifdef AGAIN 5299: agf = 0; 5300: agp = 0; 5301: #endif 5302: #ifdef EOL 5303: prompt3 = 1; 5304: #endif 5305: #ifdef PIPE 5306: if (pfile) { 5307: unlink(pfname); 5308: pfile = 0; 5309: } 5310: #endif 5311: 5312: signal(SIGINT, savint); 5313: signal(SIGQIT, savqit); 5314: } 5315: #endif 5316: 5317: reverse(aa1, aa2) { 5318: register linep *a1, *a2, t; 5319: 5320: a1 = aa1; 5321: a2 = aa2; 5322: for ever { 5323: t = *--a2; 5324: if (a2 <= a1) 5325: return; 5326: *a2 = *a1; 5327: *a1++ = t; 5328: } 5329: } 5330: 5331: #ifdef XDEL 5332: saveline() { 5333: register linep *a1, *a2, *bp; 5334: register nl, tl; 5335: 5336: a1 = addr1; 5337: a2 = addr2; 5338: ndeleted = a2 - a1 + 1; 5339: tl = tline; 5340: #ifdef DEBUG 5341: if (tflg) 5342: printf("saveline:\t%o\n", tl); 5343: #endif 5344: bp = getblock(tl, WRITE); 5345: #ifdef HUGE 5346: if (hugef2) { 5347: hugef2 = 0; 5348: tl = (tl >> 1) & _6[hugef]; 5349: } 5350: tl &= _1[hugef]; 5351: #else 5352: tl &= _1; 5353: #endif 5354: nl = nleft / sizeof(linep); 5355: while (a1 <= a2) { 5356: *bp++ = *a1++; 5357: if (--nl <= 0) { 5358: #ifdef HUGE 5359: bp = getblock(tl += _2[hugef], WRITE); 5360: if (hugef2) { 5361: hugef2 = 0; 5362: tl = (tl >> 1) & _6[hugef]; 5363: } 5364: #else 5365: bp = getblock(tl += _2, WRITE); 5366: #endif 5367: nl = nleft / sizeof(linep); 5368: } 5369: } 5370: deleted = tline; 5371: #ifdef HUGE 5372: tline += ((a2 - addr1 + 1) << (1 - hugef)) & _6[hugef]; 5373: #else 5374: tline += ((a2 - addr1 + 1) << 1) & _6; 5375: #endif 5376: } 5377: #endif 5378: 5379: savemark(p1, p2) 5380: linep p1, p2; 5381: { 5382: register n; 5383: #ifdef HUGE 5384: register i; 5385: 5386: i = hugef ^ 01; 5387: p1 |= i; 5388: p2 |= i; 5389: #else 5390: p1 |= 01; 5391: p2 |= 01; 5392: #endif 5393: /* save "marks" on lines so marked */ 5394: for (n = 0; n <= 'z' - 'a'; n++) { 5395: if (names[n] == 0) /* zap marks to deleted lines */ 5396: continue; 5397: if (names[n] == p1) 5398: names[n] = p2; 5399: #ifdef EXTMARK 5400: if (names2[n] && names2[n] == p1) 5401: names2[n] = p2; 5402: #endif 5403: } 5404: #ifdef YINT 5405: /* don't lose "y+" line either */ 5406: if (yplus == p1) 5407: yplus = p2; 5408: #endif 5409: #ifdef UNDO 5410: /* and remember the line for "undo" */ 5411: undo_oldp = p1; 5412: undo_newp = p2; 5413: #endif 5414: } 5415: 5416: scopy(ass, ads) 5417: char *ass, *ads; 5418: { 5419: register char *p, *q; 5420: 5421: p = ass; 5422: q = ads; 5423: while (*q++ = *p++) 5424: ; 5425: return(ads); 5426: } 5427: 5428: setall() { 5429: if (addr2 == 0) { 5430: addr1 = zero + (zero != dol); 5431: addr2 = dol; 5432: } 5433: setdot(); 5434: } 5435: 5436: setchar(adflt) { 5437: register charac c; 5438: 5439: if ((c = getchar()) == '\\') 5440: c = getchar(); 5441: if (c < 0) 5442: errmsg(59); 5443: if (c == '\n') 5444: return(adflt); 5445: newline(); 5446: return(c); 5447: } 5448: 5449: setdot() { 5450: if (addr2 == 0) 5451: addr1 = addr2 = dot; 5452: if (addr1 > addr2) 5453: errmsg(21); 5454: } 5455: 5456: setnoaddr() { 5457: if (addr2) 5458: errmsg(22); 5459: } 5460: 5461: setnum(adflt) { 5462: register n; 5463: 5464: white_space(); 5465: n = adflt; 5466: if ('0' <= (peekc = getchar()) && peekc <= '9') 5467: n = getnum(); 5468: newline(); 5469: return(n); 5470: } 5471: 5472: #ifdef TABS 5473: settab(acs) { 5474: register *p, i, n; 5475: 5476: if (acs == 0) { 5477: maxtab = -1; 5478: n = TABS; 5479: p = tabs; 5480: while (--n >= 0) 5481: *p++ = 0; 5482: return; 5483: } 5484: i = 0; 5485: if (acs < 0) { 5486: acs = -acs; 5487: i++; 5488: } 5489: if (--acs < TABS * BPW) { 5490: p = &tabs[acs >> BPWC]; 5491: *p |= 01 << (n = acs & BPWM); 5492: if (i) { 5493: *p ^= 01 << n; 5494: if (acs == maxtab) { /* find new maxtab */ 5495: for (n = TABS - 1; n >= 0; --n) 5496: if (tabs[n >> BPWC] >> (n & BPWM) & 01) 5497: break; 5498: maxtab = n; 5499: } 5500: } else if (acs > maxtab) 5501: maxtab = acs; 5502: } 5503: } 5504: #endif 5505: 5506: shell() { 5507: #ifdef PIPE 5508: extern oil_spilled(); 5509: #endif 5510: register pid, wpid; 5511: register linep *a; 5512: register dp, df, nopipe, c, e, savint, savqit; 5513: register linep *dest; 5514: int retcode, p[2]; 5515: 5516: #ifdef PIPE 5517: dp = 0; 5518: df = 0; 5519: if (addr2) { 5520: #ifdef LOG 5521: ++logstats.lc_pipe; 5522: #endif 5523: dest = 0; 5524: nopipe = 0; 5525: if ((peekc = getchar()) == '|') { 5526: nonzero(); 5527: peekc = 0; 5528: dp++; 5529: df++; 5530: #ifdef LOG 5531: --logstats.lc_pipe; 5532: ++logstats.lc_dpipe; 5533: #endif 5534: } 5535: if ((peekc = getchar()) == '>') { 5536: nonzero(); 5537: #ifdef LOG 5538: --logstats.lc_pipe; 5539: ++logstats.lc_pto; 5540: #endif 5541: goto pi; 5542: } else if ((peekc = getchar()) == '<') { 5543: nopipe++; 5544: #ifdef LOG 5545: --logstats.lc_pipe; 5546: ++logstats.lc_pfrom; 5547: #endif 5548: pi: peekc = 0; 5549: dp++; 5550: dest = addr2; 5551: } 5552: if (dp && '0' <= (peekc = getchar()) && peekc <= '9') { 5553: c = getnum(); 5554: dest = zero + c; 5555: if (dest < zero) 5556: dest = zero + 1; 5557: if (dest > dol) 5558: dest = dol; 5559: } 5560: } 5561: #ifdef LOG 5562: else 5563: ++logstats.lc_shell; 5564: #endif 5565: piperr = 0; 5566: if (!iflg) 5567: if (addr2) { 5568: savint = signal(SIGINT, oil_spilled); 5569: savqit = signal(SIGQIT, oil_spilled); 5570: } else { 5571: #endif 5572: savint = signal(SIGINT, 1); 5573: savqit = signal(SIGQIT, 1); 5574: #ifdef PIPE 5575: } 5576: if (addr2 && pipe(p) < 0) { 5577: c = 15; 5578: errm: if (!iflg) { 5579: signal(SIGINT, savint); 5580: signal(SIGQIT, savqit); 5581: } 5582: if (c) 5583: errmsg(c); 5584: error(); 5585: } 5586: if (dp) { 5587: if ((pfile = create(pfname, LMODE)) < 0) { 5588: pfile = 0; 5589: c = 64; 5590: goto errm; 5591: } 5592: if ((io = open(pfname, 0)) < 0) { 5593: io = 0; 5594: c = 65; 5595: goto errm; 5596: } 5597: } 5598: #endif 5599: if ((pid = fork()) < 0) { 5600: #ifdef PIPE 5601: if (addr2) { 5602: close(p[0]); 5603: close(p[1]); 5604: } 5605: #endif 5606: c = 14; 5607: goto errm; 5608: } 5609: if (pid == 0) { 5610: /* kid */ if (!iflg) { 5611: /* kid */ signal(SIGHUP, 0); 5612: /* kid */ signal(SIGINT, 0); 5613: /* kid */ signal(SIGQIT, 0); 5614: /* kid */ } 5615: #ifdef PIPE 5616: /* kid */ if (addr2) { 5617: /* kid */ close(0); 5618: /* kid */ dup(p[0]); 5619: /* kid */ close(p[0]); 5620: /* kid */ close(p[1]); 5621: /* kid */ if (dp) { 5622: /* kid */ close(1); 5623: /* kid */ dup(pfile); 5624: /* kid */ close(pfile); 5625: /* kid */ } 5626: /* kid */ } 5627: #endif 5628: /* kid */ execl("/bin/sh", "!sh", "-t", 0); 5629: /* kid */ write(2, "No shell!\n", 10); 5630: /* kid */ exit(0177); 5631: } 5632: #ifdef CMDS 5633: if (cmd && !addr2) 5634: write(cmd, "<UNIX>\n", 7); 5635: #endif 5636: #ifdef PIPE 5637: if (addr2) { 5638: signal(SIGPIP, oil_spilled); 5639: close(p[0]); 5640: e = eflg2; 5641: eflg2++; 5642: fout = p[1]; 5643: while ((c = getchar()) >= 0 && c != '\n') 5644: putchar(c); 5645: putchar('\n'); 5646: if (!nopipe) { 5647: line_num = (a = addr1) - zero - aflg; 5648: do { 5649: if (pno >= 0) 5650: printlno(line_num++); 5651: puts(getline(*a++)); 5652: } while (a <= addr2 && !piperr); 5653: } 5654: flush_buf(); 5655: fout = 1; 5656: eflg2 = e; 5657: close(p[1]); 5658: if (!iflg) { 5659: signal(SIGINT, 1); 5660: signal(SIGQIT, 1); 5661: } 5662: } 5663: #endif 5664: while ((wpid = wait(&retcode)) != pid && wpid >= 0); 5665: #ifdef CMDS 5666: if (cmd) 5667: lseek(cmd, 0L, 2); 5668: #endif 5669: #ifdef PIPE 5670: if (addr2) 5671: signal(SIGPIP, 0); 5672: #endif 5673: if (c = retcode & 0177) { 5674: if (0 < c && c < NSTR && status[c]) 5675: puts2(status[c]); 5676: else 5677: printf("signal %d", c); 5678: if (retcode & 0200) 5679: puts2(" -- core dumped"); 5680: putchar(lastc = '\n'); 5681: c = 0; 5682: goto errm; 5683: } else if (df && strict && retcode >> 8) { 5684: printf("exit status %d\n", retcode >> 8); 5685: c = 0; 5686: goto errm; 5687: } 5688: #ifdef PIPE 5689: else if (addr2) { 5690: if (piperr) { 5691: putsn(status[SIGPIP]); 5692: c = 0; 5693: goto errm; 5694: } 5695: if (dp) { 5696: if (df) { 5697: c = addr2 != dol; 5698: delete(); 5699: if (dest == 0) 5700: dest = dot - c; 5701: } else if (dest == 0) 5702: dest = addr2; 5703: if (dest < zero) 5704: dest = zero; 5705: if (c = append(getfile, dest, 0, 0)) 5706: text_modified++; 5707: if (prompt2) 5708: printf((curt? prcntu : errtext[55]), 5709: c, (c == 1? null : quote_s)); 5710: close(io); 5711: io = 0; 5712: unlink(pfname); 5713: close(pfile); 5714: pfile = 0; 5715: } 5716: } 5717: #endif 5718: if (!iflg) { 5719: signal(SIGINT, savint); 5720: signal(SIGQIT, savqit); 5721: } 5722: if (!addr2) 5723: putsn("!"); 5724: #ifdef CLEAR 5725: istty(1); /* in case bs1 changed */ 5726: #endif 5727: } 5728: 5729: signals(ast) 5730: struct sigtab *ast; 5731: { 5732: register n; 5733: register struct sigtab *s; 5734: 5735: s = ast - 1; 5736: while (n = (++s)->s_sig) 5737: signal(n, s->s_func); 5738: } 5739: 5740: skip_rest() { 5741: register charac c; 5742: 5743: while ((c = getchar()) >= 0 && c != '\n'); 5744: } 5745: 5746: substitute(inglob) { 5747: extern getsub(); 5748: register linep *a1, p; 5749: register nl; 5750: register flag gsubf; 5751: 5752: gsubf = compsub(); /* 0 or 1 depending on 'g' */ 5753: for (a1 = addr1; a1 <= addr2; a1++) { 5754: s_tmp = s_cnt; 5755: if (execute(0, a1) == 0) 5756: continue; 5757: inglob |= 01; 5758: dosub(); 5759: if (gsubf) 5760: while (*loc2) { 5761: if (execute(1) == 0) 5762: break; 5763: dosub(); 5764: } 5765: p = *a1; 5766: *a1 = putline(); 5767: savemark(p, *a1); 5768: nl = append(getsub, a1, 0, 0); 5769: a1 += nl; 5770: addr2 += nl; 5771: } 5772: if (inglob == 0) 5773: errmsg(39); 5774: } 5775: 5776: #ifdef XED 5777: tack(aeof, aflag) 5778: char aeof; 5779: { 5780: register n; 5781: register char *p1, *p2; 5782: register linep *a; 5783: register charac c; 5784: 5785: nonzero(); 5786: setdot(); 5787: p1 = rhsbuf; /* i/TEXT screwed for long lines */ 5788: while ((c = getchar()) != aeof && c != '\n') { 5789: if (c == '\\') 5790: if ((c = getchar()) == '\n') 5791: break; 5792: if (c < 0) 5793: errmsg(59); 5794: *p1++ = c; 5795: if (p1 >= &rhsbuf[LBSIZE / 2 - 2]) 5796: errmsg(42); 5797: } 5798: if (*rhsbuf == 0) 5799: errmsg(27); 5800: if (c == '\n') { 5801: if (prompt2) 5802: pflag++; 5803: } else 5804: newline(); 5805: if (p1 != rhsbuf) 5806: *p1 = 0; 5807: else 5808: while (*p1) 5809: p1++; 5810: n = p1 - rhsbuf; 5811: for (a = addr1; a <= addr2; a++) { 5812: getline(*a); 5813: for (p2 = linebuf; *p2; p2++); 5814: #ifndef ALLOC 5815: if (p2 + n >= &linebuf[LBSIZE / 2 - 2]) 5816: #else 5817: if (p2 + n >= &linebuf[lbsize / 2 - 2]) 5818: #endif 5819: errmsg(30); 5820: if (aflag) { /* $ */ 5821: p1 = rhsbuf; 5822: while (*p2++ = *p1++); 5823: } else { /* ^ */ 5824: p1 = p2 + n; 5825: *p1 = *p2; 5826: while (p2 > linebuf) 5827: *--p1 = *--p2; 5828: p1 = linebuf; 5829: p2 = rhsbuf; 5830: while (*p2) 5831: *p1++ = *p2++; 5832: } 5833: p2 = *a; 5834: *a = putline(); 5835: savemark(p2, *a); 5836: } 5837: dot = addr2; 5838: return(addr2 - addr1 + 1); 5839: } 5840: #endif 5841: 5842: term() { 5843: signal(SIGTRM, 1); 5844: if (reading) { 5845: backup(TRM); 5846: if (fout != 1) { 5847: flush_buf(); 5848: fout = 1; 5849: } 5850: puts2(errtext[58]); 5851: delexit(1); 5852: } 5853: termflg++; 5854: } 5855: 5856: tmpname(as, an) 5857: char *as; 5858: { 5859: register unsigned n; 5860: register char *p, c; 5861: 5862: p = as; 5863: n = an; 5864: while (*p) 5865: p++; 5866: while (--p >= as) 5867: if ((c = *p) == '0' || (c | 040) == 'x') { 5868: *p = n % 10 + '0'; 5869: n /= 10; 5870: #ifdef CKPT 5871: tfnum = p - as; 5872: #endif 5873: } 5874: return(as); 5875: } 5876: 5877: #ifdef XDEL 5878: undelete() { 5879: register linep *a1, *a2, *bp; 5880: register tl, nl, num; 5881: 5882: if ((tl = deleted) == 0) 5883: errmsg(16); 5884: #ifdef DEBUG 5885: if (tflg) 5886: printf("undelete:\t%o\n", tl); 5887: #endif 5888: setdot(); 5889: a1 = dol + 1; 5890: a2 = a1 + ndeleted; 5891: bp = addr2 + 1; 5892: if (dol + ndeleted > endcore) { 5893: num = ((ndeleted * 2) + 1023) & ~01777; 5894: if (sbrk(num) == -1) 5895: errmsg(33); 5896: endcore = (int)endcore + num; 5897: } 5898: while (a1 > bp) 5899: *--a2 = *--a1; 5900: dol += ndeleted; 5901: a1 = addr2 + 1; 5902: a2 = a1 + ndeleted; 5903: bp = getblock(tl, READ); 5904: #ifdef HUGE 5905: tl &= _1[hugef]; 5906: #else 5907: tl &= _1; 5908: #endif 5909: nl = nleft / sizeof(linep); 5910: while (a1 < a2) { 5911: *a1++ = *bp++; 5912: if (--nl <= 0) { 5913: #ifdef HUGE 5914: bp = getblock(tl += _2[hugef], READ); 5915: #else 5916: bp = getblock(tl += _2, READ); 5917: #endif 5918: nl = nleft / sizeof(linep); 5919: } 5920: } 5921: dot = a2 - 1; 5922: return(ndeleted); 5923: } 5924: #endif 5925: 5926: #ifdef UNDO 5927: undo() { 5928: register linep *a, t, o; 5929: 5930: if (undo_newp == 0 || (a = findmark(undo_newp, 0)) == 0) 5931: errmsg(13); 5932: t = *a | 5933: #ifdef HUGE 5934: hugef ^ 5935: #endif 5936: 01; 5937: o = undo_oldp; 5938: savemark(*a, o); 5939: *a = o; 5940: undo_newp = o; 5941: undo_oldp = t; 5942: dot = a; 5943: if (text_modified == 0) 5944: text_modified++; 5945: } 5946: #endif 5947: 5948: white_space() { 5949: register charac c; 5950: 5951: while ((c = getchar()) == ' ' || c == '\t'); 5952: peekc = c; 5953: } 5954: 5955: wte(fd, buf, len) 5956: char buf[]; 5957: { 5958: if (write(fd, buf, len) != len) 5959: errmsg(-32); 5960: } 5961: 5962: /* 5963: * as a prompt string 5964: * ay yes response, !no response 5965: * ad default (\n) response, <0 means no default allowed 5966: * aef end-of-file response 5967: */ 5968: yes_no(as, ay, ad, aef) 5969: char *as; 5970: { 5971: register charac c, p; 5972: register n; 5973: register flag l; 5974: 5975: l = listf; 5976: listf = 0; 5977: p = peekc; 5978: peekc = 0; 5979: for ever { 5980: putchar('\n'); 5981: puts2(as); 5982: puts2("? "); 5983: for (n = 0; n < 5; n++) { 5984: flush_buf(); 5985: if ((c = getchar()) < 0) { 5986: putchar('\n'); 5987: n = aef; 5988: goto ret; 5989: } 5990: if (c != '\n') 5991: skip_rest(); 5992: else if (ad >= 0) { 5993: n = ad; 5994: goto ret; 5995: } 5996: if (c == 'y' || c == 'n') { 5997: n = ay; 5998: if (c != 'y') 5999: n ^= 01; 6000: goto ret; 6001: } 6002: puts2("yes or no? "); 6003: } 6004: } 6005: ret: 6006: listf = l; 6007: peekc = p; 6008: return(n); 6009: }
Defined functions
errmsg
defined in line 3464; used 93 times
- in line 1172, 1273, 1306, 1333, 1358, 1392, 1443, 1452, 1494, 1511, 1606, 1614, 1702, 1772, 1980-1984(2), 2085, 2093, 2100, 2131, 2144-2151(4), 2187, 2193-2195(2), 2241, 2337, 2627, 2644, 2822, 2845, 2855-2863(3), 2875, 2896, 2977-2980(2), 3008-3011(2), 3036, 3054, 3214, 3222, 3228, 3242, 3349, 3359, 3661, 3754-3763(3), 3777-3782(2), 3890, 4132, 4153-4156(2), 4175, 4187-4190(2), 4416-4420(2), 4434-4440(3), 4450, 4465, 4478, 4488, 4513, 4533, 4556, 4586, 4605-4607(2), 4675, 4836, 5442, 5453-5458(2), 5583, 5773, 5793-5799(3), 5819, 5883, 5895, 5931, 5959
execute
defined in line 3490; used 10 times
- in line 1267, 4208, 5755, 5761
- in /usr/src/new/apl/src/a0.c line 164, 575
- in /usr/src/new/apl/src/ai.c line 301, 314, 457
- in /usr/src/new/apl/src/al.c line 34
exp
defined in line 3543; used 11 times
- in line 2152
- in /usr/src/new/apl/src/ah.c line 83
- in /usr/src/new/apl/src/ao.c line 108, 213, 227, 236, 251, 277, 456, 493
- in /usr/src/new/apl/src/apl.h line 453
getchar
defined in line 3917; used 94 times
- in line 1170, 1190, 1286, 1303, 1316, 1352, 1959-1963(2), 1979, 2001, 2022, 2051, 2074, 2080-2084(2), 2094, 2126, 2145, 2230, 2239, 2264, 2298, 2326, 2367, 2385, 2402, 2468, 2474, 2497, 2591, 2603-2604(2), 2610-2611(2), 2626, 2672, 2711, 2724-2725(2), 2769, 2778, 2846-2861(5), 2941, 2981, 3052, 3066, 3081, 3103, 3161, 3173-3174(2), 3186, 3201, 3221-3230(3), 3246, 3752, 3767-3768(2), 3774, 3783, 3832, 4065, 4074, 4110, 4159-4164(2), 4174, 4180-4182(2), 4247, 4419, 4432-4436(2), 4562, 4583, 5439-5440(2), 5466, 5525, 5535, 5542, 5552, 5643, 5743, 5788-5790(2), 5951, 5985
putchar
defined in line 4972; used 64 times
- in line 720, 1863-1864(2), 1982, 3678-3680(2), 3688-3699(4), 3709-3724(8), 3730-3740(5), 3833, 4115, 4259-4264(3), 4270-4274(3), 4518, 4664, 4674, 4852, 4865, 4878-4885(3), 4915-4917(2), 4963, 4969, 5103, 5137, 5148-5165(7), 5174, 5183-5185(2), 5221-5223(2), 5230, 5238, 5644-5645(2), 5680, 5980, 5986
term
defined in line 5842; used 5 times
- in line 740, 771, 784
- in /usr/src/new/apl/src/ah.c line 115
- in /usr/src/new/apl/src/az.c line 14
Defined variables
addr1
defined in line 543; used 70 times
- in line 1332-1334(2), 1357-1359(2), 1661-1663(2), 1669, 1904, 1951, 1957, 1968-1976(6), 2068, 2347-2348(2), 2439-2444(2), 2451, 2508-2514(4), 2524-2543(7), 2558, 2569, 2834, 2885(2), 3280, 3291, 3373-3374(2), 3550, 3979-3981(2), 4208, 4341, 4365, 4413-4415(3), 4468, 4499-4502(3), 4534, 4604, 4721-4722(2), 5028, 5336, 5372-5374(2), 5430, 5451-5452(2), 5647, 5753, 5811, 5838
addr2
defined in line 544; used 95 times
- in line 1332, 1339, 1357-1360(2), 1662-1664(2), 1670, 1904, 1952-1962(3), 1969-1973(2), 2017, 2310, 2347-2355(4), 2436-2456(11), 2508-2512(4), 2530-2543(8), 2559, 2579-2580(2), 2651, 2834, 2885, 2948, 3281, 3374, 3389, 3550, 3559, 3979, 4208-4212(2), 4255, 4341, 4413, 4470, 4480, 4535, 4606, 4722-4723(2), 5042, 5337, 5429-5431(2), 5450-5457(4), 5519, 5550, 5567, 5576, 5601, 5616, 5633-5637(2), 5652, 5670, 5689, 5697-5702(2), 5722, 5753, 5770, 5811, 5837-5838(2), 5891, 5901
dol
defined in line 545; used 65 times
- in line 1249-1250(2), 1261-1265(2), 1278, 1327, 1336, 1343, 1378-1379(2), 1386-1388(3), 1509, 1516, 1537, 1623, 1631, 1664, 1745, 1942-1943(2), 2197, 2217, 2285, 2436-2447(5), 2456, 2533-2535(2), 2559, 2682, 2801, 2834-2837(2), 2945, 3286-3293(4), 3800, 3876, 4205, 4217, 4254, 4341, 4503-4504(2), 4538-4540(2), 4606, 4725, 4944, 4956, 5430-5431(2), 5557-5558(2), 5697, 5889-5892(2), 5900
logstats
defined in line 379; used 113 times
- in line 818, 1097-1102(4), 1175, 1199, 1222, 1234-1236(2), 1255-1257(2), 1281, 1291, 1297, 1311, 1350, 1371, 1888, 1990, 2011, 2019, 2025, 2046, 2054, 2066, 2097, 2109, 2120, 2135, 2155, 2167, 2178-2180(2), 2223, 2234, 2246, 2253, 2269, 2290, 2304, 2312, 2329, 2358, 2372, 2388-2393(2), 2407, 2416, 2424, 2465, 2478, 2486-2490(3), 2504, 2561, 2596, 2607, 2630, 2636, 2658, 2675, 2682, 2692, 2703-2705(2), 2716, 2722, 2738, 2745, 2758, 2773, 2782-2793(4), 2837, 2869, 2930, 2951, 2958, 2967, 2987, 2996, 3069, 3112, 3129, 3146, 3156, 3165, 3177-3182(2), 3306-3312(6), 4198-4203(3), 4452-4457(2), 4707, 5521, 5531-5532(2), 5538-5539(2), 5545-5546(2), 5563
zero
defined in line 558; used 58 times
- in line 1195, 1247-1248(2), 1262-1264(2), 1385-1386(3), 1537, 1623, 1631, 1663, 1944-1945(2), 1976, 2197, 2217, 2285, 2448-2449(2), 2513-2514(2), 2528-2534(3), 2558, 2577, 2682, 2801, 2834-2837(2), 2885, 2945, 3373, 3504, 3800, 3828, 3876, 4012, 4205, 4217, 4224, 4254, 4341, 4415, 4604, 4800, 4944, 4953-4958(2), 5430(2), 5554-5556(3), 5647, 5703-5704(2)
Defined struct's
Defined typedef's
Defined macros
LOG
defined in line 148; used 98 times
- in line 261-262(2), 817, 1096, 1174, 1197, 1220, 1231, 1252, 1279, 1289, 1295, 1309, 1348, 1369, 1886, 1989, 2010, 2018, 2024, 2045, 2053, 2065, 2096, 2108, 2119, 2134, 2154, 2166, 2176, 2222, 2233, 2245, 2251, 2268, 2289, 2303, 2311, 2328, 2357, 2371, 2387-2391(2), 2406, 2415, 2423, 2464, 2477, 2484, 2501, 2560, 2595, 2606, 2629, 2635, 2657, 2674, 2681, 2691, 2701, 2715, 2721, 2737, 2744, 2757, 2772, 2781-2790(3), 2836, 2868, 2929, 2950, 2957, 2966, 2986, 2995, 3068, 3111, 3128, 3145, 3155, 3164, 3176-3180(2), 3298, 3304-3305(2), 3332, 4195, 4451-4455(2), 4706, 5520, 5530, 5537, 5544, 5561
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Last modified: 1983-06-22
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