blind

commit af3cee4bebc3fed17c8932cc55c8cb694c250447
parent 38e538e53941c94e4acdfccc2aa933e5f936cce1
Author: Mattias Andrée <maandree@kth.se>
Date:   Wed, 16 Aug 2017 18:54:18 +0200

blind-next-frame: fix exit status on incorrect usage

Signed-off-by: Mattias Andrée <maandree@kth.se>

Diffstat:
M
src/blind-next-frame.c
 | 
2
+-
M
src/util.h
 | 
5
++++-

2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/src/blind-next-frame.c b/src/blind-next-frame.c
@@ -1,7 +1,7 @@
 /* See LICENSE file for copyright and license details. */
 #include "common.h"
 
-USAGE("[-f frames] width height pixel-format ...")
+NUSAGE(2, "[-f frames] width height pixel-format ...")
 
 int
 main(int argc, char *argv[])
diff --git a/src/util.h b/src/util.h
@@ -15,9 +15,12 @@
 #define INTSTRLEN(TYPE)   ((sizeof(TYPE) == 1 ? 3 : (5 * sizeof(TYPE) / 2)) + ((TYPE)-1 < 1))
 
 #define USAGE(SYNOPSIS)\
+	NUSAGE(1, SYNOPSIS)
+
+#define NUSAGE(STATUS, SYNOPSIS)\
 	ATTRIBUTE_NORETURN\
 	static void usage(void)\
-	{ eprintf("usage: %s%s%s\n", argv0, *SYNOPSIS ? " " : "", SYNOPSIS); }
+	{ enprintf((STATUS), "usage: %s%s%s\n", argv0, *SYNOPSIS ? " " : "", SYNOPSIS); }
 
 #include "util/eprintf.h"
 #include "util/efflush.h"