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For example, setting CPUTYPE to p3 or above triggers this. This is the same bug happened in ImageMagick, and the original patch can be found at http://www.imagemagick.org/pipermail/magick-developers/2006-April/002550.html In fact, this patch was submitted in PR 101361, but a wrong version was committed. PR: ports/107086 Obtained from: GraphicsMagick cvs
22 lines
945 B
C
22 lines
945 B
C
--- coders/png.c 2004/11/11 03:10:42 1.369.2.3
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+++ coders/png.c 2006/08/18 04:03:02 1.369.2.4
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@@ -1709,7 +1709,7 @@ static Image *ReadOnePNGImage(MngInfo *m
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#if defined(PNG_USE_PNGGCCRD) && defined(PNG_ASSEMBLER_CODE_SUPPORTED) \
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&& (PNG_LIBPNG_VER >= 10200)
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/* Disable thread-unsafe features of pnggccrd */
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- if (png_access_version() >= 10200)
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+ if (png_access_version_number() >= 10200)
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{
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png_uint_32 mmx_disable_mask=0;
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png_uint_32 asm_flags;
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@@ -1718,8 +1718,8 @@ static Image *ReadOnePNGImage(MngInfo *m
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| PNG_ASM_FLAG_MMX_READ_FILTER_SUB \
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| PNG_ASM_FLAG_MMX_READ_FILTER_AVG \
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| PNG_ASM_FLAG_MMX_READ_FILTER_PAETH );
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- asm_flags=png_get_asm_flags(png_ptr);
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- png_set_asm_flags(png_ptr, asm_flags & ~mmx_disable_mask);
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+ asm_flags=png_get_asm_flags(ping);
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+ png_set_asm_flags(ping, asm_flags & ~mmx_disable_mask);
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}
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#endif
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