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77 lines
1.6 KiB
C
77 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-3.0-or-later */
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/*
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* Copyright (C) 2018 - David Oberhollenzer
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <stddef.h>
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#include <dirent.h>
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#include <string.h>
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#include <errno.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <ctype.h>
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#include "crontab.h"
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int cronscan(const char *directory, crontab_t **list)
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{
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struct dirent *ent;
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int dfd, ret = 0;
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crontab_t *cron;
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DIR *dir;
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dir = opendir(directory);
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if (dir == NULL) {
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perror(directory);
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return -1;
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}
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dfd = dirfd(dir);
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if (dfd < 0) {
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perror(directory);
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closedir(dir);
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return -1;
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}
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for (;;) {
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errno = 0;
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ent = readdir(dir);
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if (ent == NULL) {
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if (errno != 0) {
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perror(directory);
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ret = -1;
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}
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break;
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}
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if (!strcmp(ent->d_name, ".") || !strcmp(ent->d_name, ".."))
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continue;
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cron = rdcron(dfd, ent->d_name);
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if (cron == NULL) {
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ret = -1;
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continue;
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}
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cron->next = *list;
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*list = cron;
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}
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closedir(dir);
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return ret;
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}
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