Function all_options_conds

src/options.c:9555–9591

gather all non-default cond_xyz options into one OPTIONS=cond_foo,!cond_bar entry spread across multiple lines with backslash+newline if needed; conditions with their default settings (cond_blind, !cond_glowhands, &c) are excluded */

   conditions with their default settings (cond_blind, !cond_glowhands, &c)
   are excluded */
staticfn void
all_options_conds(strbuf_t *sbuf)
{
    char buf[BUFSZ], nextcond[BUFSZ];
    int idx = 0;
    boolean gotone = FALSE;

    buf[0] = '\0';
    while (opt_next_cond(idx, nextcond)) {
        /* 75: room for about 5 conditions, with enough space for player
           to edit resulting file manually and insert '!' in front of them */
        if (idx == 0) {
            Strcpy(buf, "OPTIONS=");
        } else if (Strlen(buf) + 1 + Strlen(nextcond) >= 75) {
            /* finish off previous line */
            Strcat(buf, ",\\\n"); /* comma and backslash+newline */
            strbuf_append(sbuf, buf);
            /* indent continuation line */
            Sprintf(buf, "%8s", " "); /* 8: strlen("OPTIONS=") */
        } else if (nextcond[0] && gotone) {
            Strcat(buf, ",");
        }
        if (nextcond[0]) {
            gotone = TRUE;
            Strcat(buf, nextcond);
        }
        ++idx;
    }
    /* finish off final line; value might be empty if one or more cond_xyz
       options were changed in such a manner that they're all back to their
       default values--which will produce "OPTIONS=" with nothing after the
       equals sign; only add to the output when there is more present */
    if (strcmp(buf, "OPTIONS=")) {
        Strcat(buf, "\n");
        strbuf_append(sbuf, buf);
    }
}

/* append menucolor lines to strbuf */
staticfn void