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author | jan.nijtmans <nijtmans@users.sourceforge.net> | 2023-12-01 15:57:14 (GMT) |
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committer | jan.nijtmans <nijtmans@users.sourceforge.net> | 2023-12-01 15:57:14 (GMT) |
commit | 5caf9b228b9b4ce8ae36d80466dde70dea140698 (patch) | |
tree | d397770aa55b8c0b4c5a0a708b391438f04ece2a | |
parent | 32ff860387968a3a41a8bb6977562b06fea508c9 (diff) | |
download | tk-5caf9b228b9b4ce8ae36d80466dde70dea140698.zip tk-5caf9b228b9b4ce8ae36d80466dde70dea140698.tar.gz tk-5caf9b228b9b4ce8ae36d80466dde70dea140698.tar.bz2 |
Fix [5fde07b1d5]: tkCanvas.c: use WORDS_BIGENDIAN
-rw-r--r-- | generic/tkCanvas.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/generic/tkCanvas.c b/generic/tkCanvas.c index 874ecf7..2ff9ff3 100644 --- a/generic/tkCanvas.c +++ b/generic/tkCanvas.c @@ -2581,8 +2581,11 @@ DecomposeMaskToShiftAndBits( #define OVERDRAW_PIXELS 32 /* How much larger we make the pixmap * that the canvas objects are drawn into */ -/* From stackoverflow.com/questions/2100331/c-macro-definition-to-determine-big-endian-or-little-endian-machine */ -#define IS_BIG_ENDIAN (*(unsigned short *)"\0\xff" < 0x100) +#ifdef WORDS_BIGENDIAN +#define IS_BIG_ENDIAN 1 +#else +#define IS_BIG_ENDIAN 0 +#endif #define BYTE_SWAP16(n) ((((unsigned short)n)>>8) | (((unsigned short)n)<<8)) #define BYTE_SWAP32(n) (((n>>24)&0x000000FF) | ((n<<8)&0x00FF0000) | ((n>>8)&0x0000FF00) | ((n<<24)&0xFF000000)) |