Function showHelpIntro

popt/popthelp.c:613–630

* @param con context * @param fp output file handle */

 * @param fp		output file handle
 */
static size_t showHelpIntro(poptContext con, FILE * fp)
{
    const char *usage_str = POPT_("Usage:");
    size_t len = strlen(usage_str);
    POPT_fprintf(fp, "%s", usage_str);

    if (!(con->flags & POPT_CONTEXT_KEEP_FIRST)) {
	struct optionStackEntry * os = con->optionStack;
	const char * fn = (os->argv ? os->argv[0] : NULL);
	if (fn == NULL) return len;
	if (strchr(fn, '/')) fn = strrchr(fn, '/') + 1;
	/* XXX POPT_fprintf not needed for argv[0] display. */
	fprintf(fp, " %s", fn);
	len += strlen(fn) + 1;
    }

    return len;
}

void poptPrintHelp(poptContext con, FILE * fp, UNUSED(int flags))
{