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| author | Chris Lattner <sabre@nondot.org> | 2009-04-01 00:44:37 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-04-01 00:44:37 +0000 |
| commit | 2fc47b54ee2ef1419c0af4c80d52260b34056b85 (patch) | |
| tree | 14d8f41a79729b89a14fc87c1a35769a12f85739 | |
| parent | c8dee9ce29686d3230ecfdc651542934d1f661c8 (diff) | |
add support for the LONG_LONG_MIN/LONG_LONG_MAX/ULONG_LONG_MAX limits.h GNU extensions.
rdar://6740292
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68169 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Headers/limits.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/Headers/limits.h b/lib/Headers/limits.h index 1f542ea3d8..e4909ab034 100644 --- a/lib/Headers/limits.h +++ b/lib/Headers/limits.h @@ -96,4 +96,19 @@ #define ULLONG_MAX (__LONG_LONG_MAX__*2ULL+1ULL) #endif +/* LONG_LONG_MIN/LONG_LONG_MAX/ULONG_LONG_MAX are a GNU extension. It's too bad + that we don't have something like #pragma poison that could be used to + deprecate a macro - the code should just use LLONG_MAX and friends. + */ +#if defined(__GNU_LIBRARY__) ? defined(__USE_GNU) : !defined(__STRICT_ANSI__) + +#undef LONG_LONG_MIN +#undef LONG_LONG_MAX +#undef ULONG_LONG_MAX + +#define LONG_LONG_MAX __LONG_LONG_MAX__ +#define LONG_LONG_MIN (-__LONG_LONG_MAX__-1LL) +#define ULONG_LONG_MAX (__LONG_LONG_MAX__*2ULL+1ULL) +#endif + #endif /* __CLANG_LIMITS_H */ |