4.3BSD - /usr/src/new/mh/uip/dp.c

   1: /* dp.c  - parse dates 822-style */
   2: 
   3: #include "../h/mh.h"
   4: #include "../h/formatsbr.h"
   5: #include "../zotnet/tws.h"
   6: #include <stdio.h>
   7: 
   8: 
   9: #define NDATES  100
  10: 
  11: #define WIDTH   78
  12: #define WBUFSIZ BUFSIZ
  13: 
  14: #define FORMAT  "%<(nodate{text})error: %{text}%|%(putstr(pretty{text}))%>"
  15: 
  16: /*  */
  17: 
  18: static struct swit switches[] = {
  19: #define FORMSW  0
  20:     "form formatfile", 0,
  21: #define FMTSW   1
  22:     "format string", 5,
  23: 
  24: #define WIDSW   2
  25:     "width columns", 0,
  26: 
  27: #define HELPSW  3
  28:     "help", 4,
  29: 
  30:     NULL, NULL
  31: };
  32: 
  33: /*  */
  34: 
  35: static struct format *fmt;
  36: 
  37: static int dat[4];
  38: 
  39: /*  */
  40: 
  41: /* ARGSUSED */
  42: 
  43: main (argc, argv)
  44: int argc;
  45: char **argv;
  46: {
  47:     int     datep = 0,
  48:             width = 0,
  49:             status = 0;
  50:     char   *cp,
  51:            *form = NULL,
  52:            *format = NULL,
  53:        *nfs,
  54:             buf[80],
  55:           **ap,
  56:           **argp,
  57:            *arguments[MAXARGS],
  58:            *dates[NDATES];
  59: 
  60:     invo_name = r1bindex (argv[0], '/');
  61:     if ((cp = m_find (invo_name)) != NULL) {
  62:     ap = brkstring (cp = getcpy (cp), " ", "\n");
  63:     ap = copyip (ap, arguments);
  64:     }
  65:     else
  66:     ap = arguments;
  67:     (void) copyip (argv + 1, ap);
  68:     argp = arguments;
  69: 
  70: /*  */
  71: 
  72:     while (cp = *argp++) {
  73:     if (*cp == '-')
  74:         switch (smatch (++cp, switches)) {
  75:         case AMBIGSW:
  76:             ambigsw (cp, switches);
  77:             done (1);
  78:         case UNKWNSW:
  79:             adios (NULLCP, "-%s unknown", cp);
  80:         case HELPSW:
  81:             (void) sprintf (buf, "%s [switches] dates ...", invo_name);
  82:             help (buf, switches);
  83:             done (1);
  84: 
  85:         case FORMSW:
  86:             if (!(form = *argp++) || *form == '-')
  87:             adios (NULLCP, "missing argument to %s", argp[-2]);
  88:             format = NULL;
  89:             continue;
  90:         case FMTSW:
  91:             if (!(format = *argp++) || *format == '-')
  92:             adios (NULLCP, "missing argument to %s", argp[-2]);
  93:             form = NULL;
  94:             continue;
  95: 
  96:         case WIDSW:
  97:             if (!(cp = *argp++) || *cp == '-')
  98:             adios (NULLCP, "missing argument to %s", argp[-2]);
  99:             width = atoi (cp);
 100:             continue;
 101:         }
 102:     if (datep > NDATES)
 103:         adios (NULLCP, "more than %d dates", NDATES);
 104:     else
 105:         dates[datep++] = cp;
 106:     }
 107:     dates[datep] = NULL;
 108: 
 109: /*  */
 110: 
 111:     if (datep == 0)
 112:     adios (NULLCP, "usage: %s [switches] dates ...", invo_name);
 113: 
 114:     nfs = new_fs (form, format, FORMAT);
 115:     if (width == 0) {
 116:     if ((width = sc_width ()) < WIDTH / 2)
 117:         width = WIDTH / 2;
 118:     width -= 2;
 119:     }
 120:     if (width > WBUFSIZ)
 121:     width = WBUFSIZ;
 122:     (void) fmt_compile (nfs, &fmt);
 123:     dat[0] = dat[1] = dat[2] = 0;
 124:     dat[3] = width;
 125: 
 126:     for (datep = 0; dates[datep]; datep++)
 127:     status += process (dates[datep], width);
 128: 
 129:     m_update ();
 130: 
 131:     done (status);
 132: }
 133: 
 134: /*  */
 135: 
 136: static  int process (date, length)
 137: register char   *date;
 138: int length;
 139: {
 140:     int     status = 0;
 141:     char    buffer[WBUFSIZ + 1];
 142:     register struct comp   *cptr;
 143: 
 144:     FINDCOMP (cptr, "text");
 145:     if (cptr)
 146:     cptr -> c_text = date;
 147:     (void) fmtscan (fmt, buffer, length, dat);
 148:     (void) fputs (buffer, stdout);
 149: 
 150:     return status;
 151: }

Defined functions

Defined variables

Defined macros