From 97424321ac195b2138ac477f841c43ed88e25e9b Mon Sep 17 00:00:00 2001
From: John Cupitt <jcupitt@gmail.com>
Date: Mon, 16 Jul 2012 12:50:28 +0100
Subject: [PATCH] memory error in vips_sign()

---
 libvips/arithmetic/sign.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libvips/arithmetic/sign.c b/libvips/arithmetic/sign.c
index d6430914..72dc5d8e 100644
--- a/libvips/arithmetic/sign.c
+++ b/libvips/arithmetic/sign.c
@@ -57,7 +57,7 @@ typedef VipsUnaryClass VipsSignClass;
 G_DEFINE_TYPE( VipsSign, vips_sign, VIPS_TYPE_UNARY );
 
 #define CSIGN( TYPE ) { \
-	TYPE *p = (TYPE *) in; \
+	TYPE *p = (TYPE *) in[0]; \
 	TYPE *q = (TYPE *) out; \
 	int x; \
 	\
@@ -82,7 +82,7 @@ G_DEFINE_TYPE( VipsSign, vips_sign, VIPS_TYPE_UNARY );
 }
 
 #define SIGN( TYPE ) { \
-	TYPE *p = (TYPE *) in; \
+	TYPE *p = (TYPE *) in[0]; \
 	signed char *q = (signed char *) out; \
 	int x; \
 	\