From 6889a0d1f5a2eaa8103216d9cb01160e7a637f8d Mon Sep 17 00:00:00 2001
From: Remi Collet <remi@php.net>
Date: Mon, 22 Apr 2013 17:39:35 +0200
Subject: [PATCH] overflow2 is not exported by system libgd

---
 ext/gd/libgd/gd_compat.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/ext/gd/libgd/gd_compat.c b/ext/gd/libgd/gd_compat.c
index 473ea203e5..b56329029e 100644
--- a/ext/gd/libgd/gd_compat.c
+++ b/ext/gd/libgd/gd_compat.c
@@ -33,3 +33,14 @@ const char * gdPngGetVersionString()
 }
 #endif
 
+int overflow2(int a, int b)
+{
+	if(a <= 0 || b <= 0) {
+		return 1;
+	}
+	if(a > INT_MAX / b) {
+		return 1;
+	}
+	return 0;
+}
+
-- 
2.50.1