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Imported from libpng-1.0.6f.tar

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This commit is contained in:
Glenn Randers-Pehrson
2000-04-14 14:20:47 -05:00
parent 38e6e77419
commit 4accabb590
44 changed files with 446 additions and 200 deletions
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20
pngrutil.c
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@@ -1,7 +1,7 @@
/* pngrutil.c - utilities to read a PNG file
*
* libpng 1.0.6e - April 10, 2000
* libpng 1.0.6f - April 14, 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
@@ -133,7 +133,7 @@ png_crc_error(png_structp png_ptr)
}
#if defined(PNG_READ_zTXt_SUPPORTED) || defined(PNG_READ_iTXt_SUPPORTED) || \
defined(PNG_READ_iCCP_SUPPORTED) || defined(PNG_READ_sPLT_SUPPORTED)
defined(PNG_READ_iCCP_SUPPORTED)
/*
* Decompress trailing data in a chunk. The assumption is that chunkdata
* points at an allocated area holding the contents of a chunk with a
@@ -951,7 +951,8 @@ png_handle_iCCP(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
if (profile >= chunkdata + slength)
{
png_free(png_ptr, chunkdata);
png_error(png_ptr, "malformed iCCP chunk");
png_warning(png_ptr, "malformed iCCP chunk");
return;
}
/* compression should always be zero */
@@ -1019,7 +1020,8 @@ png_handle_sPLT(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
if (entry_start > chunkdata + slength)
{
png_free(png_ptr, chunkdata);
png_error(png_ptr, "malformed sPLT chunk");
png_warning(png_ptr, "malformed sPLT chunk");
return;
}
new_palette.depth = *entry_start++;
@@ -1563,7 +1565,10 @@ png_handle_sCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
#ifdef PNG_FLOATING_POINT_SUPPORTED
width = strtod(ep, &vp);
if (*vp)
png_error(png_ptr, "malformed width string in sCAL chunk");
{
png_warning(png_ptr, "malformed width string in sCAL chunk");
return;
}
#else
#ifdef PNG_FIXED_POINT_SUPPORTED
swidth = (png_charp)png_malloc(png_ptr, strlen(ep) + 1);
@@ -1578,7 +1583,10 @@ png_handle_sCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
#ifdef PNG_FLOATING_POINT_SUPPORTED
height = strtod(ep, &vp);
if (*vp)
png_error(png_ptr, "malformed height string in sCAL chunk");
{
png_warning(png_ptr, "malformed height string in sCAL chunk");
return;
}
#else
#ifdef PNG_FIXED_POINT_SUPPORTED
sheight = (png_charp)png_malloc(png_ptr, strlen(ep) + 1);