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Cleanup crond(1) a little

This commit is contained in:
sin 2014-12-09 16:19:27 +00:00
parent 8d2c5dd9a3
commit ab8a11eb93
1 changed files with 5 additions and 38 deletions
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43
crond.c
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@ -13,12 +13,8 @@
#include <time.h>
#include <unistd.h>
#include "arg.h"
#include "queue.h"
#define VERSION "0.3.2"
#define LEN(x) (sizeof (x) / sizeof *(x))
#include "util.h"
struct field {
/* [low, high] */
@ -91,35 +87,6 @@ logerr(const char *fmt, ...)
va_end(ap);
}
static void *
emalloc(size_t size)
{
void *p;
p = malloc(size);
if (!p) {
logerr("error: out of memory\n");
if (nflag == 0)
unlink(pidfile);
exit(EXIT_FAILURE);
}
return p;
}
static char *
estrdup(const char *s)
{
char *p;
p = strdup(s);
if (!p) {
logerr("error: out of memory\n");
if (nflag == 0)
unlink(pidfile);
exit(EXIT_FAILURE);
}
return p;
}
static void
runjob(char *cmd)
{
@ -150,7 +117,7 @@ runjob(char *cmd)
execl("/bin/sh", "/bin/sh", "-c", cmd, (char *)NULL);
logerr("error: failed to execute job: %s time: %s",
cmd, ctime(&t));
_exit(EXIT_FAILURE);
_exit(1);
} else {
je = emalloc(sizeof(*je));
je->cmd = estrdup(cmd);
@ -444,7 +411,7 @@ usage(void)
fprintf(stderr, "usage: %s [-f file] [-n]\n", argv0);
fprintf(stderr, " -f config file\n");
fprintf(stderr, " -n do not daemonize\n");
exit(EXIT_FAILURE);
exit(1);
}
int
@ -474,7 +441,7 @@ main(int argc, char *argv[])
openlog(argv[0], LOG_CONS | LOG_PID, LOG_CRON);
if (daemon(1, 0) < 0) {
logerr("error: failed to daemonize %s\n", strerror(errno));
return EXIT_FAILURE;
return 1;
}
if ((fp = fopen(pidfile, "w"))) {
fprintf(fp, "%d\n", getpid());
@ -526,5 +493,5 @@ main(int argc, char *argv[])
if (nflag == 0)
closelog();
return EXIT_SUCCESS;
return 0;
}