Function parse_conf_buf

src/cfgfiles.c:1692–1807

* Parse config buffer, handling comments, empty lines, config sections, * CHOOSE, and line continuation, calling proc for every valid line. * * Continued lines are merged together with one space in between. */

 * Continued lines are merged together with one space in between.
 */
staticfn void
parse_conf_buf(struct _cnf_parser_state *p, boolean (*proc)(char *arg))
{
    p->cont = FALSE;
    p->pbreak = FALSE;
    p->ep = strchr(p->inbuf, '\n');
    if (p->skip) { /* in case previous line was too long */
        if (p->ep)
            p->skip = FALSE; /* found newline; next line is normal */
    } else {
        if (!p->ep) {  /* newline missing */
            if (strlen(p->inbuf) < (p->inbufsz - 2)) {
                /* likely the last line of file is just
                   missing a newline; process it anyway  */
                p->ep = eos(p->inbuf);
            } else {
                config_error_add("Line too long, skipping");
                p->skip = TRUE; /* discard next fgets */
            }
        } else {
            *p->ep = '\0'; /* remove newline */
        }
        if (p->ep) {
            char *tmpbuf = (char *) 0;
            int len;
            boolean ignoreline = FALSE;
            boolean oldline = FALSE;

            /* line continuation (trailing '\') */
            p->morelines = (--p->ep >= p->inbuf && *p->ep == '\\');
            if (p->morelines)
                *p->ep = '\0';

            /* trim off spaces at end of line */
            while (p->ep >= p->inbuf
                   && (*p->ep == ' ' || *p->ep == '\t' || *p->ep == '\r'))
                *p->ep-- = '\0';

            if (!config_error_nextline(p->inbuf)) {
                p->rv = FALSE;
                if (p->buf)
                    free(p->buf), p->buf = (char *) 0;
                p->pbreak = TRUE;
                return;
            }

            p->ep = p->inbuf;
            while (*p->ep == ' ' || *p->ep == '\t')
                ++p->ep;

            /* ignore empty lines and full-line comment lines */
            if (!*p->ep || *p->ep == '#')
                ignoreline = TRUE;

            if (p->buf)
                oldline = TRUE;

            /* merge now read line with previous ones, if necessary */