fix: check gmtime, can return NULL on error

commit 28730218c4b68e9b3a0f7ce628868bb647d97f9e
parent 8df54926f2ad80ae46a4cc701f3341e97839e0c8
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Wed, 27 Apr 2016 19:24:15 +0200

fix: check gmtime, can return NULL on error

2 files changed, 4 insertions(+), 2 deletions(-)

stagit-index.c

++-

stagit.c

++-

diff --git a/stagit-index.c b/stagit-index.c
@@ -49,7 +49,8 @@ printtimeformat(FILE *fp, const git_time *intime, const char *fmt)
 	char out[32];
 
 	t = (time_t) intime->time + (intime->offset * 60);
-	intm = gmtime(&t);
+	if (!(intm = gmtime(&t)))
+		return;
 	strftime(out, sizeof(out), fmt, intm);
 	fputs(out, fp);
 }

diff --git a/stagit.c b/stagit.c
@@ -190,7 +190,8 @@ printtimeformat(FILE *fp, const git_time *intime, const char *fmt)
 	char out[32];
 
 	t = (time_t) intime->time + (intime->offset * 60);
-	intm = gmtime(&t);
+	if (!(intm = gmtime(&t)))
+		return;
 	strftime(out, sizeof(out), fmt, intm);
 	fputs(out, fp);
 }