4.3BSD - /usr/src/new/mh/sbr/printsw.c

   1: /* printsw.c - print switches */
   2: 
   3: #include "../h/mh.h"
   4: 
   5: 
   6: void printsw (substr, swp, prefix)
   7: register char  *substr,
   8:                *prefix;
   9: register struct swit   *swp;
  10: {
  11:     int     len,
  12:         optno;
  13:     register int    i;
  14:     register char  *cp,
  15:                    *cp1,
  16:            *sp;
  17:     char    buf[128];
  18: 
  19:     len = strlen (substr);
  20:     for (; swp -> sw; swp++) {
  21:     if (!*substr ||     /* null matches all strings */
  22:         (ssequal (substr, swp -> sw) && len >= swp -> minchars)) {
  23:         optno = 0;
  24:         if (sp = (&swp[1]) -> sw) /* next switch */
  25:         if (!*substr && sp[0] == 'n' && sp[1] == 'o' &&
  26:             strcmp (&sp[2], swp -> sw) == 0 && (
  27:             ((&swp[1]) -> minchars == 0 && swp -> minchars == 0) ||
  28:             ((&swp[1]) -> minchars == (swp -> minchars) + 2)))
  29:             optno++;
  30:         if (swp -> minchars > 0) {
  31:         cp = buf;
  32:         *cp++ = '(';
  33:         if (optno) {
  34:             (void) strcpy (cp, "[no]");
  35:             cp += strlen (cp);
  36:         }
  37:         for (cp1 = swp -> sw, i = 0; i < swp -> minchars; i++)
  38:             *cp++ = *cp1++;
  39:         *cp++ = ')';
  40:         while (*cp++ = *cp1++);
  41:         printf ("  %s%s\n", prefix, buf);
  42:         }
  43:         else
  44:         if (swp -> minchars == 0)
  45:             printf (optno ? "  %s[no]%s\n" : "  %s%s\n",
  46:                 prefix, swp -> sw);
  47:         if (optno)
  48:         swp++;  /* skip -noswitch */
  49:     }
  50:     }
  51: }

Defined functions