gd/gd-2.2.4-upstream.patch

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2017-01-19 08:38:12 +00:00
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"
From 55ac28a293eaa8c531870c8bb8ecc04b333975f4 Mon Sep 17 00:00:00 2001
From: "Christoph M. Becker" <cmbecker69@gmx.de>
Date: Thu, 19 Jan 2017 01:02:58 +0100
Subject: [PATCH] Fix #357: 2.2.4: Segfault in test suite.
We make sure to never pass a negative `int` as argument to a `size_t`
parameter.
---
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;