commit fc4a143ec6ec77d4de4a6d0247f58fcb47d9d6f2
author Glenn Randers-Pehrson <glennrp at users.sourceforge.net> Wed May 17 17:39:34 2000 -0500
committer Glenn Randers-Pehrson <glennrp at users.sourceforge.net> Mon Apr 06 16:05:09 2009 -0500
tree 571e0c640ac3364f7f53a0a7fbe4d3f14cf02e6e
parent ec61c23d569867b38c01d6df62d640a99de816ab

Imported from libpng-1.0.7beta14.tar

pngset.c

diff --git a/pngset.c b/pngset.c
index f990b35..b7ade0f 100644
--- a/pngset.c
+++ b/pngset.c
@@ -1,7 +1,7 @@
 
 /* pngset.c - storage of image information into info struct
  *
- * libpng 1.0.7beta13 - May 16, 2000
+ * libpng 1.0.7beta14 - May 17, 2000
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
  * Copyright (c) 1996, 1997 Andreas Dilger
@@ -802,15 +802,16 @@
 png_set_rows(png_structp png_ptr, png_infop info_ptr, png_bytepp row_pointers)
 {
    png_debug1(1, "in %s storage function\n", "rows");
+
    if (png_ptr == NULL || info_ptr == NULL)
       return;
 
    if(info_ptr->row_pointers && (info_ptr->row_pointers != row_pointers))
-   {
       png_free_data(png_ptr, info_ptr, PNG_FREE_ROWS, 0);
-      info_ptr->row_pointers = row_pointers;
-   }
-   info_ptr->valid |= PNG_INFO_IDAT;
+   info_ptr->row_pointers = row_pointers;
+   if(row_pointers)
+      info_ptr->valid |= PNG_INFO_IDAT;
+
 }
 #endif
 
@@ -824,3 +825,10 @@
     png_ptr->zstream.next_out = png_ptr->zbuf;
     png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
 }
+
+void PNGAPI
+png_set_invalid(png_structp png_ptr, png_infop info_ptr, int mask)
+{
+   if (png_ptr && info_ptr)
+      info_ptr->valid &= ~(mask);
+}