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/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* Copyright (C) 2018 - David Oberhollenzer
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <stddef.h>
#include <dirent.h>
#include <string.h>
#include <errno.h>
#include <stdio.h>
#include <fcntl.h>
#include <ctype.h>
#include "crontab.h"
int cronscan(const char *directory, crontab_t **list)
{
struct dirent *ent;
int dfd, ret = 0;
crontab_t *cron;
DIR *dir;
dir = opendir(directory);
if (dir == NULL) {
perror(directory);
return -1;
}
dfd = dirfd(dir);
if (dfd < 0) {
perror(directory);
closedir(dir);
return -1;
}
for (;;) {
errno = 0;
ent = readdir(dir);
if (ent == NULL) {
if (errno != 0) {
perror(directory);
ret = -1;
}
break;
}
if (!strcmp(ent->d_name, ".") || !strcmp(ent->d_name, ".."))
continue;
cron = rdcron(dfd, ent->d_name);
if (cron == NULL) {
ret = -1;
continue;
}
cron->next = *list;
*list = cron;
}
closedir(dir);
return ret;
}
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