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| author | Ken Dyck <ken.dyck@onsemi.com> | 2009-11-19 14:03:24 +0000 |
|---|---|---|
| committer | Ken Dyck <ken.dyck@onsemi.com> | 2009-11-19 14:03:24 +0000 |
| commit | 4b7d945699c83d5faf136eeef45c108c32063e23 (patch) | |
| tree | 9d3abc6a9909cbad3af9234a8b550bc7cad15c4d | |
| parent | 7484e5d8e2f2d79750b712c749d6dbfd741b14d5 (diff) | |
Construct definition of SIZE_MAX from __SIZE_WIDTH__ to support targets of
arbitrary widths.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89347 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Headers/stdint.h | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/lib/Headers/stdint.h b/lib/Headers/stdint.h index f7382e838a..b95ae8fb42 100644 --- a/lib/Headers/stdint.h +++ b/lib/Headers/stdint.h @@ -608,22 +608,7 @@ typedef __stdint_exjoin3(uint, __INTMAX_WIDTH__, _t) uintmax_t; #define UINTPTR_MAX __stdint_exjoin3(UINT, __INTPTR_WIDTH__, _MAX) #define PTRDIFF_MIN __stdint_exjoin3( INT, __PTRDIFF_WIDTH__, _MIN) #define PTRDIFF_MAX __stdint_exjoin3( INT, __PTRDIFF_WIDTH__, _MAX) - -#if __POINTER_WIDTH__ == 64 - -#define SIZE_MAX UINT64_MAX - -#elif __POINTER_WIDTH__ == 32 - -#define SIZE_MAX UINT32_MAX - -#elif __POINTER_WIDTH__ == 16 - -#define SIZE_MAX UINT16_MAX - -#else -#error "unknown or unset pointer width!" -#endif +#define SIZE_MAX __stdint_exjoin3(UINT, __SIZE_WIDTH__, _MAX) /* C99 7.18.2.5 Limits of greatest-width integer types. */ #define INTMAX_MIN __stdint_exjoin3( INT, __INTMAX_WIDTH__, _MIN) |