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comparison sbr/printsw.c @ 0:bce86c4163a3

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Initial revision
author kono
date Mon, 18 Apr 2005 23:46:02 +0900
parents
children 441a2190cfae
comparison
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-1:000000000000 0:bce86c4163a3
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 }