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843 B

/* SPDX-License-Identifier: ISC */
#include "gcrond.h"
int cronscan(const char *directory, crontab_t **list)
{
crontab_t *cron, *tail = NULL;
struct dirent *ent;
int dfd, ret = 0;
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)
continue;
if (tail == NULL) {
*list = cron;
tail = cron;
} else {
tail->next = cron;
}
while (tail->next != NULL)
tail = tail->next;
}
closedir(dir);
return ret;
}