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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 | 33d840cc8f59083b8966a4b88ab330436aabe467 (patch) | |
| tree | bfd3ef946851bcd0f8de584f2511598c34565fea | |
| parent | aed74642cbe4c4f40f19790e6eec762aa72d883b (diff) | |
| download | bcm5719-llvm-33d840cc8f59083b8966a4b88ab330436aabe467.tar.gz bcm5719-llvm-33d840cc8f59083b8966a4b88ab330436aabe467.zip | |
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".
llvm-svn: 68503
| -rw-r--r-- | clang/lib/Headers/stdarg.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/clang/lib/Headers/stdarg.h b/clang/lib/Headers/stdarg.h index b73edb4699b..c436ced97c5 100644 --- a/clang/lib/Headers/stdarg.h +++ b/clang/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 |
