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/ff2jpg.c b/ff2jpg.c
index 9774549..f4514b8 100644
--- a/ff2jpg.c
+++ b/ff2jpg.c
@@ -47,8 +47,7 @@ jpeg_setup_writer(struct jpeg_compress_struct *s, struct jpeg_error_mgr *e,
 static void
 usage(void)
 {
-	fprintf(stderr, "usage: %s [-b colour] [-o] [-q quality]\n", argv0);
-	exit(1);
+	die("usage: %s [-b colour] [-o] [-q quality]", argv0);
 }
 
 int