From 42f93fb7062840a8024d393675dfbf408bb3b11f Mon Sep 17 00:00:00 2001
From: Glenn Randers-Pehrson <glennrp at users.sourceforge.net>
Date: Tue, 9 Feb 2010 01:58:47 -0600
Subject: [PATCH] [devel] Changed PNG_INTERNAL to
 PNG_EXPOSE_INTERNAL_STRUCTURES

---
 ANNOUNCE |  1 +
 CHANGES  |  1 +
 png.h    | 11 ++++++++++-
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/ANNOUNCE b/ANNOUNCE
index fec1dffaf..319eb27dc 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -47,6 +47,7 @@ version 1.5.0beta05 [February 9, 2010]
   Revised comments in pngstruct.h and pnginfo.h and added pointers to
     the libpng license.
   Changed PNG_INTERNAL to PNG_EXPOSE_INTERNAL_STRUCTURES
+  Removed the cbuilder5 project, which has not been updated to 1.4.0.
 
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diff --git a/CHANGES b/CHANGES
index 188e104fb..5d23b9ecd 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2524,6 +2524,7 @@ version 1.5.0beta05 [February 9, 2010]
   Revised comments in pngstruct.h and pnginfo.h and added pointers to
     the libpng license.
   Changed PNG_INTERNAL to PNG_EXPOSE_INTERNAL_STRUCTURES
+  Removed the cbuilder5 project, which has not been updated to 1.4.0.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/png.h b/png.h
index ec62f4d94..5a92cf697 100644
--- a/png.h
+++ b/png.h
@@ -591,7 +591,11 @@ typedef png_unknown_chunk FAR * png_unknown_chunkp;
 typedef png_unknown_chunk FAR * FAR * png_unknown_chunkpp;
 #endif
 
-
+/* CAUTION: Applications should not define this. If they do, ABI
+ * compatibility of the application with libpng from one libpng
+ * release to the next is not assured. It should only be defined
+ * while building libpng.
+ */
 #ifdef PNG_EXPOSE_INTERNAL_STRUCTURES
 #include "pnginfo.h"
 #endif
@@ -784,6 +788,11 @@ typedef void (PNGAPI *png_longjmp_ptr) PNGARG((jmp_buf, int));
 typedef png_voidp (*png_malloc_ptr) PNGARG((png_structp, png_alloc_size_t));
 typedef void (*png_free_ptr) PNGARG((png_structp, png_voidp));
 
+/* CAUTION: Applications should not define this. If they do, ABI
+ * compatibility of the application with libpng from one libpng
+ * release to the next is not assured. It should only be defined
+ * while building libpng.
+ */
 #ifdef PNG_EXPOSE_INTERNAL_STRUCTURES
 #include "pngstruct.h"
 #endif