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| author | Chris Lattner <sabre@nondot.org> | 2009-04-07 05:12:42 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-04-07 05:12:42 +0000 |
| commit | 2ec926cce387e2f2fc8b00620af5a70e823d71e8 (patch) | |
| tree | 6ea4cf32fcbc314ab3a3dd4b7685f03e91338f90 | |
| parent | a5770b9c0d5b61114bf2f03a82fddca9d31618da (diff) | |
define __va_copy unconditionally, but va_copy only in c99 or non-ansi mode.
Fixes rdar://6759546, some code that actually used __va_copy because they
thought it was "more portable".
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68503 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Headers/stdarg.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Headers/stdarg.h b/lib/Headers/stdarg.h index b73edb4699..c436ced97c 100644 --- a/lib/Headers/stdarg.h +++ b/lib/Headers/stdarg.h @@ -30,7 +30,15 @@ typedef __builtin_va_list va_list; #define va_start(ap, param) __builtin_va_start(ap, param) #define va_end(ap) __builtin_va_end(ap) #define va_arg(ap, type) __builtin_va_arg(ap, type) + +/* GCC always defines __va_copy, but does not define va_copy unless in c99 mode + * or -ansi is not specified, since it was not part of C90. + */ +#define __va_copy(d,s) __builtin_va_copy(d,s) + +#if __STDC_VERSION__ >= 199900L || !defined(__STRICT_ANSI__) #define va_copy(dest, src) __builtin_va_copy(dest, src) +#endif /* Hack required to make standard headers work, at least on Ubuntu */ #define __GNUC_VA_LIST 1 |