| /* | |
| * SPDX-License-Identifier: AGPL-3.0-or-later | |
| * | |
| * snapkitty-regex | |
| * Copyright (C) 2026 SnapKitty Collective | |
| * | |
| * This program is free software: you can redistribute it and/or modify | |
| * it under the terms of the GNU Affero General Public License as published | |
| * by the Free Software Foundation, either version 3 of the License, or | |
| * (at your option) any later version. | |
| * | |
| * This program is distributed in the hope that it will be useful, | |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| * GNU Affero General Public License for more details. | |
| * | |
| * You should have received a copy of the GNU Affero General Public License | |
| * along with this program. If not, see <https://www.gnu.org/licenses/>. | |
| */ | |
| /* snapkitty-regex CLI: match patterns against strings. */ | |
| static void | |
| usage(const char *prog) | |
| { | |
| fprintf(stderr, "usage: %s [-s] <pattern> <string>...\n", prog); | |
| fprintf(stderr, " -s search (unanchored) instead of full match\n"); | |
| } | |
| int | |
| main(int argc, char **argv) | |
| { | |
| int search = 0; | |
| int ai = 1; | |
| int allmatch = 1; | |
| Regex *re; | |
| if (ai < argc && strcmp(argv[ai], "-s") == 0) { | |
| search = 1; | |
| ai++; | |
| } | |
| if (argc - ai < 2) { | |
| usage(argv[0]); | |
| return 2; | |
| } | |
| re = re_compile(argv[ai++]); | |
| if (re == NULL) { | |
| fprintf(stderr, "error: bad pattern\n"); | |
| return 2; | |
| } | |
| for (; ai < argc; ai++) { | |
| int m = search ? re_search(re, argv[ai]) | |
| : re_fullmatch(re, argv[ai]); | |
| printf("%s: %s\n", argv[ai], m ? "MATCH" : "NO MATCH"); | |
| if (!m) | |
| allmatch = 0; | |
| } | |
| re_free(re); | |
| return allmatch ? 0 : 1; | |
| } | |