4.3BSD - /usr/src/new/apl/src/am.c

   1: static char Sccsid[] = "am.c @(#)am.c	1.3	7/3/83 Berkeley ";
   2: #include "apl.h"
   3: #include <sgtty.h>
   4: #ifdef VLIMIT
   5: #include <sys/resource.h>
   6: #endif
   7: 
   8: /* The following code is so system-dependent that it was moved to
   9:  * a separate file.  It conditions the terminal for APL mode if called
  10:  * with a non-zero argument, or returns it to its normal state if called
  11:  * with a zero argument.
  12:  */
  13: 
  14: extern int mkcore;
  15: 
  16: 
  17: #ifndef PURDUE_EE
  18: 
  19: aplmod(n)
  20: {
  21:     static struct sgttyb m;
  22: 
  23:     if (n){
  24: #ifdef VLIMIT
  25:         if (!mkcore) {
  26:             struct rlimit rl;
  27: 
  28:             getrlimit(RLIMIT_CORE, &rl);
  29:             rl.rlim_cur = 0;
  30:             setrlimit(RLIMIT_CORE, &rl);    /* no core file! */
  31:         }
  32: #endif
  33:         gtty(0, &m);
  34:         if ((m.sg_erase == '\b' || m.sg_kill == '\b') && !prwsflg)
  35:             printf("[warning: erase char is ctl-h]\n");
  36:     }
  37: }
  38: 
  39: #else
  40: 
  41: #ifdef vax
  42: #include <sys/ioctl.h>
  43: static modesave;
  44: static aplmode = LAPL;
  45: static discsave;
  46: static olddisc = OTTYDISC;
  47: static turkey = LTURKEY;
  48: static ctlech = LCTLECH;
  49: #endif
  50: 
  51: aplmod(n)
  52: {
  53:     static struct sgttyb m;
  54: 
  55:     if(n){
  56:         gtty(0, &m);
  57:         if((m.sg_erase == '\b' || m.sg_kill == '\b') && !prwsflg)
  58:             printf("[warning: erase char is ctl-h]\n");
  59: #ifdef VLIMIT
  60:         if (!mkcore) {
  61:             struct rlimit rl;
  62: 
  63:             getrlimit(RLIMIT_CORE, &rl);
  64:             rl.rlim_cur = 0;
  65:             setrlimit(RLIMIT_CORE, &rl);    /* no core file! */
  66:         }
  67: #endif
  68: #ifdef vax
  69:         ioctl(0, TIOCLGET, &modesave);
  70:         ioctl(0, TIOCLBIC, &ctlech);
  71:         ioctl(0, TIOCLBIC, &turkey);
  72: #else
  73:         ioctl(0, TIOCNNOCTRL);
  74: #endif
  75:         /* Turn on apl mode if requested */
  76:         if (apl_term){
  77: #ifndef vax
  78:             m.sg_flags |= APLMOD;
  79:             stty(0,&m);
  80: #else
  81:             ioctl(0, TIOCGETD, &discsave);
  82:             ioctl(0, TIOCSETD, &olddisc);
  83:             ioctl(0, TIOCLBIS, &aplmode);
  84: #endif
  85:             printf("set terminal to apl mode\n");
  86:         }
  87:     } else {
  88:         /* Turn off apl mode */
  89: #ifndef vax
  90:         ioctl(0, TIOCSNOCTRL);
  91:         gtty(0, &m);
  92:         m.sg_flags &= ~APLMOD;
  93:         stty(0,&m);
  94: #else
  95:         if (apl_term)
  96:             ioctl(0, TIOCSETD, &discsave);
  97:         ioctl(0, TIOCLSET, &modesave);
  98: #endif
  99:     }
 100: }
 101: #endif
 102: 
 103: 
 104: _cleanup()
 105: {
 106:     /* This prohibits the loading of the standard I/O "cleanup"
 107: 	 * code.  In addition, should any stdio routines be
 108: 	 * referenced, the loader will scream about multiple
 109: 	 * definitions of "_cleanup" and the offending stdio
 110: 	 * calls can be found and removed.
 111: 	 */
 112: }

Defined functions

Defined variables