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simplify some expressions

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leitner 2007-01-26 19:56:41 +00:00
parent 1b88982d19
commit 47d2e25ba3
1 changed files with 1 additions and 5 deletions
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6
rangecheck.h
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@ -75,13 +75,9 @@ int range_str4inbuf(const void* buf,size_t len,const void* stringstart);
#define __MIN_UNSIGNED(type) ((type)0)
#define __MIN_SIGNED(type) (((type)-1)<<(sizeof(type)*8-1))
#define __MAX_UNSIGNED(type) (((type)-1))
#define __MAX_SIGNED_TEMP(type) (((type)1)<<(sizeof(type)*8-2))
#define __MAX_SIGNED(type) (__MAX_SIGNED_TEMP(type)+(__MAX_SIGNED_TEMP(type)-1))
/* we use <1 and not <0 to avoid a gcc warning */
#define __MAX(type) ((type)-1 < 1?__MAX_SIGNED(type):__MAX_UNSIGNED(type))
#define __MIN(type) ((type)-1 < 1?__MIN_SIGNED(type):__MIN_UNSIGNED(type))
#define __MAX(type) ((type)~__MIN(type))
#define assign(dest,src) ({ typeof(src) __x=(src); typeof(dest) __y=__x; (__x==__y && ((__x<1) == (__y<1))?(int)((dest)=__y),0:1); })