From 313816c4250656bc03877fede6cc316d99d049e9 Mon Sep 17 00:00:00 2001
From: Henrik Hautakoski <henrik@fiktivkod.org>
Date: Tue, 17 Jul 2012 10:42:41 +0200
Subject: [PATCH] error.c: let warn() return an int

---
 error.c | 3 ++-
 error.h | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/error.c b/error.c
index bf2377f..104169f 100644
--- a/error.c
+++ b/error.c
@@ -38,12 +38,13 @@ void usage(const char *msg, ...) {
 	exit(EXIT_FAILURE);
 }
 
-void warn(const char *msg, ...) {
+int warn(const char *msg, ...) {
 
 	va_list vl;
 	va_start(vl, msg);
 	print_e(stderr, "warning", msg, vl);
 	va_end(vl);
+	return -1;
 }
 
 void fatal(const char *msg, ...) {
diff --git a/error.h b/error.h
index 7d152e3..b4d24ea 100644
--- a/error.h
+++ b/error.h
@@ -25,7 +25,7 @@
 
 void usage(const char *msg, ...);
 
-void warn(const char *msg, ...);
+int warn(const char *msg, ...);
 
 void fatal(const char *msg, ...);