source: trunk/third/nmh/sbr/print_sw.c @ 12455

/*
 * print_sw.c -- print switches
 *
 * $Id: print_sw.c,v 1.1.1.1 1999-02-07 18:14:09 danw Exp $
 */

#include <h/mh.h>


void
print_sw (char *substr, struct swit *swp, char *prefix)
{
    int len, optno;
    register int i;
    register char *cp, *cp1, *sp;
    char buf[128];

    len = strlen(substr);
    for (; swp->sw; swp++) {
        /* null matches all strings */
        if (!*substr || (ssequal (substr, swp->sw) && len >= swp->minchars)) {
            optno = 0;
            /* next switch */
            if ((sp = (&swp[1])->sw)) {
                if (!*substr && sp[0] == 'n' && sp[1] == 'o' &&
                        strcmp (&sp[2], swp->sw) == 0 && (
                        ((&swp[1])->minchars == 0 && swp->minchars == 0) ||
                        ((&swp[1])->minchars == (swp->minchars) + 2)))
                    optno++;
            }

            if (swp->minchars > 0) {
                cp = buf;
                *cp++ = '(';
                if (optno) {
                    strcpy (cp, "[no]");
                    cp += strlen (cp);
                }
                for (cp1 = swp->sw, i = 0; i < swp->minchars; i++)
                    *cp++ = *cp1++;
                *cp++ = ')';
                while ((*cp++ = *cp1++));
                printf ("  %s%s\n", prefix, buf);
            } else {
                if (!swp->minchars)
                    printf(optno ? "  %s[no]%s\n" : "  %s%s\n", prefix, swp->sw);
            }
            if (optno)
                swp++;  /* skip -noswitch */
        }
    }
}