diff options
Diffstat (limited to 'include/my_global.h')
| -rw-r--r-- | include/my_global.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/my_global.h b/include/my_global.h index 349ac8ac82e..68c331aa414 100644 --- a/include/my_global.h +++ b/include/my_global.h @@ -603,11 +603,25 @@ extern double my_atof(const char*); #define HAVE_LONG_LONG 1 #endif +/* + Some pre-ANSI-C99 systems like AIX 5.1 and Linux/GCC 2.95 define + ULONGLONG_MAX, LONGLONG_MIN, LONGLONG_MAX; we use them if they're defined. +*/ + #if defined(HAVE_LONG_LONG) && !defined(LONGLONG_MIN) #define LONGLONG_MIN ((long long) 0x8000000000000000LL) #define LONGLONG_MAX ((long long) 0x7FFFFFFFFFFFFFFFLL) #endif +#if defined(HAVE_LONG_LONG) && !defined(ULONLONG_MAX) +/* First check for ANSI C99 definition: */ +#ifdef ULLONG_MAX +#define ULONGLONG_MAX ULLONG_MAX +#else +#define ULONGLONG_MAX ((unsigned long long)(~0ULL)) +#endif +#endif /* defined (HAVE_LONG_LONG) && !defined(ULONLONG_MAX)*/ + #if SIZEOF_LONG == 4 #define INT_MIN32 (long) 0x80000000L #define INT_MAX32 (long) 0x7FFFFFFFL |