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use defined() to check if a variable is defined, also, rename it to be clearer about a feature availability and not enabling one

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This commit is contained in:
Riccardo Mottola 2023-10-26 02:38:29 +02:00
parent 31a71a1090
commit 34c5a5e841
1 changed files with 3 additions and 3 deletions
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6
Source/NSBitmapImageRep+GIF.m
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@ -71,7 +71,7 @@ objective-c headers.
// GifQuantizeBuffer is considered private API on GIF 5.2 and later:
// https://sourceforge.net/p/giflib/code/ci/befe188771035de7acbc2ad46bea22ea73ab09cd/
#if (GIFLIB_MAJOR == 5 && GIFLIB_MINOR < 2) || GIFLIB_MAJOR < 5
#define PUBLIC_QUANTIZEBUFFER
#define IS_QUANTIZEBUFFER_PUBLIC
#endif
/* -----------------------------------------------------------
@ -134,7 +134,7 @@ static void gs_gif_init_input_source(gs_gif_input_src *src, NSData *data)
src->pos = 0;
}
#if (HAVE_QUANTIZEBUFFER || HAVE_GIFQUANTIZEBUFFER) && PUBLIC_QUANTIZEBUFFER
#if (defined(HAVE_QUANTIZEBUFFER) || defined(HAVE_GIFQUANTIZEBUFFER)) && defined(IS_QUANTIZEBUFFER_PUBLIC)
/* Function to write GIF to buffer */
static int gs_gif_output(GifFileType *file, const GifByteType *buffer, int len)
{
@ -410,7 +410,7 @@ static int gs_gif_output(GifFileType *file, const GifByteType *buffer, int len)
- (NSData *) _GIFRepresentationWithProperties: (NSDictionary *) properties
errorMessage: (NSString **)errorMsg
{
#if (HAVE_QUANTIZEBUFFER || HAVE_GIFQUANTIZEBUFFER) && PUBLIC_QUANTIZEBUFFER
#if (defined(HAVE_QUANTIZEBUFFER) || defined(HAVE_GIFQUANTIZEBUFFER)) && defined(IS_QUANTIZEBUFFER_PUBLIC)
NSMutableData * GIFRep = nil; // our return value
GifFileType * GIFFile = NULL;
GifByteType * rgbPlanes = NULL; // giflib needs planar RGB