chiark / gitweb /
udev: remove deps already pulled in by LIBADD
[elogind.git] / src / remount-api-vfs.c
index d51a584f2f7ad24aeac52633bd6f06f36a959452..3e146ebb5c168e4aa57ba7f56b45805119a46fbd 100644 (file)
 #include "util.h"
 #include "set.h"
 #include "mount-setup.h"
+#include "exit-status.h"
 
 /* Goes through /etc/fstab and remounts all API file systems, applying
  * options that are in /etc/fstab that systemd might not have
  * respected */
 
 int main(int argc, char *argv[]) {
-        int ret = 1;
+        int ret = EXIT_FAILURE;
         FILE *f = NULL;
         struct mntent* me;
         Hashmap *pids = NULL;
 
         if (argc > 1) {
                 log_error("This program takes no argument.");
-                return 1;
+                return EXIT_FAILURE;
         }
 
-        log_set_target(LOG_TARGET_SYSLOG_OR_KMSG);
+        log_set_target(LOG_TARGET_AUTO);
         log_parse_environment();
         log_open();
 
-        if (!(f = setmntent("/etc/fstab", "r"))) {
+        umask(0022);
+
+        f = setmntent("/etc/fstab", "r");
+        if (!f) {
                 log_error("Failed to open /etc/fstab: %m");
                 goto finish;
         }
 
-        if (!(pids = hashmap_new(trivial_hash_func, trivial_compare_func))) {
+        pids = hashmap_new(trivial_hash_func, trivial_compare_func);
+        if (!pids) {
                 log_error("Failed to allocate set");
                 goto finish;
         }
 
-        ret = 0;
+        ret = EXIT_SUCCESS;
 
         while ((me = getmntent(f))) {
                 pid_t pid;
@@ -73,9 +78,10 @@ int main(int argc, char *argv[]) {
 
                 log_debug("Remounting %s", me->mnt_dir);
 
-                if ((pid = fork()) < 0) {
+                pid = fork();
+                if (pid < 0) {
                         log_error("Failed to fork: %m");
-                        ret = 1;
+                        ret = EXIT_FAILURE;
                         continue;
                 }
 
@@ -92,16 +98,23 @@ int main(int argc, char *argv[]) {
                         execv("/bin/mount", (char **) arguments);
 
                         log_error("Failed to execute /bin/mount: %m");
-                        _exit(1);
+                        _exit(EXIT_FAILURE);
                 }
 
                 /* Parent */
 
                 s = strdup(me->mnt_dir);
+                if (!s) {
+                        log_error("Out of memory.");
+                        ret = EXIT_FAILURE;
+                        continue;
+                }
+
 
-                if ((k = hashmap_put(pids, UINT_TO_PTR(pid), s)) < 0) {
+                k = hashmap_put(pids, UINT_TO_PTR(pid), s);
+                if (k < 0) {
                         log_error("Failed to add PID to set: %s", strerror(-k));
-                        ret = 1;
+                        ret = EXIT_FAILURE;
                         continue;
                 }
         }
@@ -117,18 +130,19 @@ int main(int argc, char *argv[]) {
                                 continue;
 
                         log_error("waitid() failed: %m");
-                        ret = 1;
+                        ret = EXIT_FAILURE;
                         break;
                 }
 
-                if ((s = hashmap_remove(pids, UINT_TO_PTR(si.si_pid)))) {
+                s = hashmap_remove(pids, UINT_TO_PTR(si.si_pid));
+                if (s) {
                         if (!is_clean_exit(si.si_code, si.si_status)) {
                                 if (si.si_code == CLD_EXITED)
                                         log_error("/bin/mount for %s exited with exit status %i.", s, si.si_status);
                                 else
                                         log_error("/bin/mount for %s terminated by signal %s.", s, signal_to_string(si.si_status));
 
-                                ret = 1;
+                                ret = EXIT_FAILURE;
                         }
 
                         free(s);