cheng/libpng
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[devel] Changed several "if !defined(X)" to "ifndef X"

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This commit is contained in:
Glenn Randers-Pehrson 2009-09-23 11:32:37 -05:00
parent e26c09529a
commit b2aca215c0
2 changed files with 6 additions and 6 deletions
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2
pngrtran.c
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@ -1298,7 +1298,7 @@ defined(PNG_READ_USER_TRANSFORM_SUPPORTED)
info_ptr->rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth, info_ptr->width);
#if !defined(PNG_READ_EXPAND_SUPPORTED)
#ifndef PNG_READ_EXPAND_SUPPORTED
if (png_ptr)
return;
#endif

10
pngrutil.c
View File

@ -485,7 +485,7 @@ png_handle_PLTE(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
png_crc_finish(png_ptr, length);
return;
}
#if !defined(PNG_READ_OPT_PLTE_SUPPORTED)
#ifndef PNG_READ_OPT_PLTE_SUPPORTED
if (png_ptr->color_type != PNG_COLOR_TYPE_PALETTE)
{
png_crc_finish(png_ptr, length);
@ -538,13 +538,13 @@ png_handle_PLTE(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
* have an RGB image, the PLTE can be considered ancillary, so
* we will act as though it is.
*/
#if !defined(PNG_READ_OPT_PLTE_SUPPORTED)
#ifndef PNG_READ_OPT_PLTE_SUPPORTED
if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
#endif
{
png_crc_finish(png_ptr, 0);
}
#if !defined(PNG_READ_OPT_PLTE_SUPPORTED)
#ifndef PNG_READ_OPT_PLTE_SUPPORTED
else if (png_crc_error(png_ptr)) /* Only if we have a CRC error */
{
/* If we don't want to use the data from an ancillary chunk,
@ -2388,7 +2388,7 @@ png_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
png_crc_finish(png_ptr, skip);
#if !defined(PNG_READ_USER_CHUNKS_SUPPORTED)
#ifndef PNG_READ_USER_CHUNKS_SUPPORTED
info_ptr = info_ptr; /* Quiet compiler warnings about unused info_ptr */
#endif
}
@ -2843,7 +2843,7 @@ png_do_read_interlace(png_structp png_ptr)
row_info->width = final_width;
row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, final_width);
}
#if !defined(PNG_READ_PACKSWAP_SUPPORTED)
#ifndef PNG_READ_PACKSWAP_SUPPORTED
transformations = transformations; /* Silence compiler warning */
#endif
}