From 093d9567f1e37c8375985a0ed497d4e9ec26049f Mon Sep 17 00:00:00 2001
From: François Revel <mmu_man@netsurf-browser.org>
Date: Wed, 17 Feb 2010 22:25:03 +0000
Subject: Accomodate for antique versions of libpng (as found with the BeOS R5
 devkit), which either: - don't define the png_jmpbuf macro, - have a
 different name for png_set_expand_gray_1_2_4_to_8().

svn path=/trunk/netsurf/; revision=10069
---
 image/png.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/image/png.c b/image/png.c
index 4fe7c982a..e8bd55c59 100644
--- a/image/png.c
+++ b/image/png.c
@@ -40,6 +40,17 @@
 
 #ifdef WITH_PNG
 
+/* accomodate for old versions of libpng (beware security holes!) */
+
+#ifndef png_jmpbuf
+#warning you have an antique libpng
+#define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf) 
+#endif 
+
+#if PNG_LIBPNG_VER < 10209
+#define png_set_expand_gray_1_2_4_to_8(png) png_set_gray_1_2_4_to_8(png)
+#endif
+
 /* I hate doing this, but without g_strdup_printf or similar, we're a tad stuck. */
 #define NSPNG_TITLE_LEN (100)
 
-- 
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