/*      $OpenBSD: fnm_test.c,v 1.3 2019/01/25 00:19:26 millert Exp $    */

/*
 * Public domain, 2008, Todd C. Miller <millert@openbsd.org>
 */

#include <err.h>
#include <fnmatch.h>
#include <stdio.h>
#include <stdlib.h>
#include <util.h>

int
main(int argc, char **argv)
{
        FILE *fp = stdin;
        char pattern[1024], string[1024];
        char *line;
        const char delim[3] = {'\0', '\0', '#'};
        int errors = 0, flags, got, want;

        if (argc > 1) {
                if ((fp = fopen(argv[1], "r")) == NULL)
                        err(1, "%s", argv[1]);
        }

        /*
         * Read in test file, which is formatted thusly:
         *
         * pattern string flags expected_result
         *
         * lines starting with '#' are comments
         */
        for (;;) {
                line = fparseln(fp, NULL, NULL, delim, 0);
                if (!line)
                        break;
                got = sscanf(line, "%s %s 0x%x %d", pattern, string, &flags,
                    &want);
                if (got == EOF) {
                        free(line);
                        break;
                }
                if (pattern[0] == '#') {
                        free(line);
                        continue;
                }
                if (got == 4) {
                        got = fnmatch(pattern, string, flags);
                        if (got != want) {
                                warnx("%s %s %d: want %d, got %d", pattern,
                                    string, flags, want, got);
                                errors++;
                        }
                } else {
                        warnx("unrecognized line '%s'\n", line);
                        errors++;
                }
                free(line);
        }
        exit(errors);
}