diff options
Diffstat (limited to 'src/lib/intmath')
| -rw-r--r-- | src/lib/intmath/cmp.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/lib/intmath/cmp.h b/src/lib/intmath/cmp.h index 90ea3ca079..627e5d18b4 100644 --- a/src/lib/intmath/cmp.h +++ b/src/lib/intmath/cmp.h @@ -6,6 +6,19 @@ #ifndef TOR_INTMATH_CMP_H #define TOR_INTMATH_CMP_H +/** Macros for MIN/MAX. Never use these when the arguments could have + * side-effects. + * {With GCC extensions we could probably define a safer MIN/MAX. But + * depending on that safety would be dangerous, since not every platform + * has it.} + **/ +#ifndef MAX +#define MAX(a,b) ( ((a)<(b)) ? (b) : (a) ) +#endif +#ifndef MIN +#define MIN(a,b) ( ((a)>(b)) ? (b) : (a) ) +#endif + /* Return <b>v</b> if it's between <b>min</b> and <b>max</b>. Otherwise * return <b>min</b> if <b>v</b> is smaller than <b>min</b>, or <b>max</b> if * <b>b</b> is larger than <b>max</b>. |