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Imported from libpng-1.4.0beta14.tar

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This commit is contained in:
Glenn Randers-Pehrson
2006-11-14 10:53:30 -06:00
parent 3779c69674
commit 6b12c08bfc
56 changed files with 1112 additions and 130 deletions
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2
pngwutil.c
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@@ -87,6 +87,7 @@ void PNGAPI
png_write_chunk(png_structp png_ptr, png_bytep chunk_name,
png_bytep data, png_size_t length)
{
if(png_ptr == NULL) return;
png_write_chunk_start(png_ptr, chunk_name, (png_uint_32)length);
png_write_chunk_data(png_ptr, data, length);
png_write_chunk_end(png_ptr);
@@ -140,6 +141,7 @@ void PNGAPI
png_write_chunk_data(png_structp png_ptr, png_bytep data, png_size_t length)
{
/* write the data, and run the CRC over it */
if(png_ptr == NULL) return;
if (data != NULL && length > 0)
{
png_write_data(png_ptr, data, length);