Merge pull request #1892 from anastmag/work

Check localtime return value

tsk/fs/fs_name.c

@@ -297,13 +297,13 @@ tsk_fs_meta_make_ls(const TSK_FS_META * a_fs_meta, char *a_buf,
 char *
 tsk_fs_time_to_str(time_t time, char buf[128])
 {
+    struct tm *tmTime;
+
     buf[0] = '\0';
-    if (time <= 0) {
+    if (time <= 0 || (tmTime = localtime(&time)) == NULL) {
         strncpy(buf, "0000-00-00 00:00:00 (UTC)", 128);
     }
     else {
-        struct tm *tmTime = localtime(&time);
-
         snprintf(buf, 128, "%.4d-%.2d-%.2d %.2d:%.2d:%.2d (%s)",
             (int) tmTime->tm_year + 1900,
             (int) tmTime->tm_mon + 1, (int) tmTime->tm_mday,
@@ -326,13 +326,13 @@ char *
 tsk_fs_time_to_str_subsecs(time_t time, unsigned int subsecs,
     char buf[128])
 {
+    struct tm *tmTime;
+
     buf[0] = '\0';
-    if (time <= 0) {
+    if (time <= 0 || (tmTime = localtime(&time)) == NULL) {
         strncpy(buf, "0000-00-00 00:00:00 (UTC)", 32);
     }
     else {
-        struct tm *tmTime = localtime(&time);
-
         snprintf(buf, 64, "%.4d-%.2d-%.2d %.2d:%.2d:%.2d.%.9d (%s)",
             (int) tmTime->tm_year + 1900,
             (int) tmTime->tm_mon + 1, (int) tmTime->tm_mday,
@@ -368,12 +368,12 @@ tsk_fs_print_time(FILE * hFile, time_t time)
 static void
 tsk_fs_print_day(FILE * hFile, time_t time)
 {
-    if (time <= 0) {
+    struct tm *tmTime;
+
+    if (time <= 0 || (tmTime = localtime(&time)) == NULL) {
         tsk_fprintf(hFile, "0000-00-00 00:00:00 (UTC)");
     }
     else {
-        struct tm *tmTime = localtime(&time);
-
         tsk_fprintf(hFile, "%.4d-%.2d-%.2d 00:00:00 (%s)",
             (int) tmTime->tm_year + 1900,
             (int) tmTime->tm_mon + 1, (int) tmTime->tm_mday,