gd: add upstream patch

1 files changed, 40 insertions, 0 deletions

diff --git a/gd-upstream.patch b/gd-upstream.patch
new file mode 100644
index 0000000..1cb173c
--- /dev/null
+++ b/gd-upstream.patch
@@ -0,0 +1,40 @@
+From c9b601a658a79e6ea2aad29fbf60ca6e24ccef1e Mon Sep 17 00:00:00 2001
+From: "Christoph M. Becker" <cmbecker69@gmx.de>
+Date: Wed, 18 Jan 2017 13:59:02 +0100
+Subject: [PATCH] Fix build issue regarding INT_MAX
+
+For portability gd_gd2.c needs to include <limits.h>.
+---
+ src/gd_gd2.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/src/gd_gd2.c b/src/gd_gd2.c
+index c2904ca..049c4c5 100644
+--- a/src/gd_gd2.c
++++ b/src/gd_gd2.c
+@@ -74,6 +74,7 @@
+ 
+ /* 2.0.29: no more errno.h, makes windows happy */
+ #include <math.h>
++#include <limits.h>
+ #include <string.h>
+ #include "gd.h"
+ #include "gd_errors.h"
+ src/gd_io_dp.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/src/gd_io_dp.c b/src/gd_io_dp.c
+index eda2eeb..cb38794 100644
+--- a/src/gd_io_dp.c
++++ b/src/gd_io_dp.c
+@@ -292,6 +292,10 @@ static int dynamicGetbuf(gdIOCtxPtr ctx, void *buf, int len)
+ 		rlen = dp->realSize - dp->pos;
+ 	}
+ 
++	if (rlen < 0) {
++		return 0;
++	}
++
+ 	memcpy(buf, (void *) ((char *)dp->data + dp->pos), rlen);
+ 	dp->pos += rlen;
+