die on failed freopenHEADmaster

1 files changed, 2 insertions, 1 deletions

diff --git a/slock.c b/slock.c
index edd4440..6f63d3d 100644
--- a/slock.c
+++ b/slock.c
@@ -405,7 +405,8 @@ main(int argc, char **argv) {
 		case -1:
 			die("slock: fork failed: %s\n", strerror(errno));
 		case 0:
-			freopen("/dev/null", "w", stdout);
+			if (!freopen("/dev/null", "w", stdout))
+				die("slock: freopen: %s\n", strerror(errno));
 			break;
 		default:
 			if (opt_pid)