Add warn() and die()

To fully centralize this matter these well-tested functions are added to
the util.c, and implemented as we know it from many other suckless
projects.

1 files changed, 1 insertions, 2 deletions

diff --git a/jpg2ff.c b/jpg2ff.c
index b00924e..360ace4 100644
--- a/jpg2ff.c
+++ b/jpg2ff.c
@@ -40,8 +40,7 @@ jpeg_setup_reader(struct jpeg_decompress_struct *s, struct jpeg_error_mgr *e,
 static void
 usage(void)
 {
-	fprintf(stderr, "usage: %s\n", argv0);
-	exit(1);
+	die("usage: %s", argv0);
 }
 
 int