From b0dd8b64d9976d9af49ebee3e477b80ceecf7756 Mon Sep 17 00:00:00 2001
From: Per Hedbor <ph@opera.com>
Date: Wed, 26 Aug 1998 18:14:24 +0200
Subject: [PATCH] Avoid coredump in case of lack of GZ
Rev: src/modules/Image/encodings/png.c:1.21
---
src/modules/Image/encodings/png.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/src/modules/Image/encodings/png.c b/src/modules/Image/encodings/png.c
index f494ec2c23..85d73ff48e 100644
--- a/src/modules/Image/encodings/png.c
+++ b/src/modules/Image/encodings/png.c
@@ -1,5 +1,5 @@
#include "global.h"
-RCSID("$Id: png.c,v 1.20 1998/08/09 13:45:16 grubba Exp $");
+RCSID("$Id: png.c,v 1.21 1998/08/26 16:14:24 per Exp $");
#include "config.h"
@@ -1690,14 +1690,16 @@ struct object *init_image_png(void)
push_text("inflate");
f_index(2);
gz_inflate=program_from_svalue(sp-1);
- add_ref(gz_inflate);
+ if(gz_inflate)
+ add_ref(gz_inflate);
pop_stack();
stack_dup();
push_text("deflate");
f_index(2);
gz_deflate=program_from_svalue(sp-1);
- add_ref(gz_deflate);
+ if(gz_deflate)
+ add_ref(gz_deflate);
pop_stack();
stack_dup();
--
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