diff options
author | Chris Lattner <sabre@nondot.org> | 2009-02-06 23:29:39 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2009-02-06 23:29:39 +0000 |
commit | ed27d441eba4cac8bd8dfdf4fd6337a7fc1b17d3 (patch) | |
tree | dc260beae2210824ef4497c9b695cb71e63ce7bb | |
parent | 2a67f7bd99d004f78a961a16b6525f61313dd974 (diff) |
only define MB_LEN_MAX if the system <limits.h> doesn't.
don't typecast CHAR_MIN to char, this makes it not a PP constant
and gives it the wrong unpromoted type. Thanks to Sebastian for
pointing this out!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63980 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/Headers/limits.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/Headers/limits.h b/lib/Headers/limits.h index 62dd6a5cd0..2e0deaff52 100644 --- a/lib/Headers/limits.h +++ b/lib/Headers/limits.h @@ -64,11 +64,14 @@ #define UINT_MAX (__INT_MAX__ *2U +1U) #define ULONG_MAX (__LONG_MAX__ *2UL+1UL) +#ifndef MB_LEN_MAX #define MB_LEN_MAX 1 +#endif + #define CHAR_BIT __CHAR_BIT__ #ifdef __CHAR_UNSIGNED__ /* -funsigned-char */ -#define CHAR_MIN ((char)0) +#define CHAR_MIN 0 #define CHAR_MAX UCHAR_MAX #else #define CHAR_MIN SCHAR_MIN |