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Imported from libpng-0.86.tar

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This commit is contained in:
Guy Schalnat
1996-01-10 02:56:49 -06:00
committed by Glenn Randers-Pehrson
parent 6d76471acd
commit 69b1448f19
21 changed files with 572 additions and 410 deletions
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19
pngpread.c
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@@ -1,10 +1,10 @@
/* pngpread.c - read a png file in push mode
libpng 1.0 beta 2 - version 0.85
libpng 1.0 beta 2 - version 0.86
For conditions of distribution and use, see copyright notice in png.h
Copyright (c) 1995 Guy Eric Schalnat, Group 42, Inc.
December 19, 1995
Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
January 10, 1996
*/
#define PNG_INTERNAL
@@ -850,8 +850,10 @@ png_push_read_text(png_structp png_ptr, png_infop info)
text_size = png_ptr->buffer_size;
else
text_size = png_ptr->current_text_left;
png_push_fill_buffer(png_ptr, png_ptr->current_text_ptr, text_size);
png_calculate_crc(png_ptr, png_ptr->current_text_ptr, text_size);
png_push_fill_buffer(png_ptr, (png_bytep)png_ptr->current_text_ptr,
text_size);
png_calculate_crc(png_ptr, (png_bytep)png_ptr->current_text_ptr,
text_size);
png_ptr->current_text_left -= text_size;
png_ptr->current_text_ptr += text_size;
}
@@ -902,8 +904,10 @@ png_push_read_ztxt(png_structp png_ptr, png_infop info)
text_size = png_ptr->buffer_size;
else
text_size = png_ptr->current_text_left;
png_push_fill_buffer(png_ptr, png_ptr->current_text_ptr, text_size);
png_calculate_crc(png_ptr, png_ptr->current_text_ptr, text_size);
png_push_fill_buffer(png_ptr, (png_bytep)png_ptr->current_text_ptr,
text_size);
png_calculate_crc(png_ptr, (png_bytep)png_ptr->current_text_ptr,
text_size);
png_ptr->current_text_left -= text_size;
png_ptr->current_text_ptr += text_size;
}
@@ -950,6 +954,7 @@ png_push_read_ztxt(png_structp png_ptr, png_infop info)
key_size = text - key;
text_size = 0;
text = NULL;
ret = Z_STREAM_END;
while (png_ptr->zstream->avail_in)
{