Imported from libpng-1.0.10beta1.tar
diff --git a/pngwutil.c b/pngwutil.c
index f87c86b..00f856c 100644
--- a/pngwutil.c
+++ b/pngwutil.c
@@ -1,7 +1,7 @@
/* pngwutil.c - utilities to write a PNG file
*
- * libpng 1.0.9 - January 31, 2001
+ * libpng 1.0.10beta1 - March 14, 2001
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2001 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -10,6 +10,7 @@
#define PNG_INTERNAL
#include "png.h"
+#ifdef PNG_WRITE_SUPPORTED
/* Place a 32-bit number into a buffer in PNG byte order. We work
* with unsigned numbers for convenience, although one supported
@@ -534,7 +535,8 @@
png_debug(1, "in png_write_PLTE\n");
if ((
-#if defined(PNG_MNG_FEATURES_SUPPORTED)
+#if defined(PNG_MNG_FEATURES_SUPPORTED) || \
+ defined (PNG_WRITE_EMPTY_PLTE_SUPPORTED)
!(png_ptr->mng_features_permitted & PNG_FLAG_MNG_EMPTY_PLTE) &&
#endif
num_pal == 0) || num_pal > 256)
@@ -1017,7 +1019,8 @@
if (color_type == PNG_COLOR_TYPE_PALETTE)
{
if (
-#if defined(PNG_MNG_FEATURES_SUPPORTED)
+#if defined(PNG_MNG_FEATURES_SUPPORTED) || \
+ defined (PNG_WRITE_EMPTY_PLTE_SUPPORTED)
(png_ptr->num_palette ||
(!(png_ptr->mng_features_permitted & PNG_FLAG_MNG_EMPTY_PLTE))) &&
#endif
@@ -2631,3 +2634,4 @@
}
#endif
}
+#endif /* PNG_WRITE_SUPPORTED */