use defined() to check if a variable is defined, also, rename it to b…

…e clearer about a feature availability and not enabling one
gnustep · Oct 26, 2023 · 34c5a5e · 34c5a5e
1 parent 31a71a1
commit 34c5a5e
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/Source/NSBitmapImageRep+GIF.m b/Source/NSBitmapImageRep+GIF.m
@@ -71,7 +71,7 @@
 // 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 @@ - (id) _initBitmapFromGIF: (NSData *)imageData
 - (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