From: glennrp <glennrp@git.imagemagick.org>
Date: Thu, 24 Jan 2013 06:32:08 +0000 (+0000)
Subject: Change text chunk limit to 32767 to be consistent with libpng-1.2.
X-Git-Tag: 7.0.1-0~4365
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=687361928f16a28ea56e200d00e970e68173cc25;p=imagemagick

Change text chunk limit to 32767 to be consistent with libpng-1.2.
---

diff --git a/coders/png.c b/coders/png.c
index e5527cae2..a9bcead16 100644
--- a/coders/png.c
+++ b/coders/png.c
@@ -2290,9 +2290,9 @@ static Image *ReadOnePNGImage(MngInfo *mng_info,
 #ifdef PNG_SET_USER_LIMITS_SUPPORTED
 #  if (PNG_LIBPNG_VER >= 10400)
     /* Limit the size of the chunk storage cache used for sPLT, text,
-     * and unknown chunks, and for expansion of iTXt, zTXt, and iCCP chunks.
+     * and unknown chunks.
      */
-    png_set_chunk_cache_max(ping, 65536);
+    png_set_chunk_cache_max(ping, 32767);
 #  endif
 #endif