X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=include%2Fstdarg.h;h=60d4e2af172fad8acfd1c91f8fe6f1ff74622871;hp=cb18778ba154d61be3e35cf2c495cecbb9a799ed;hb=40b2b5fa94d3ae27293f4d572bdcf1c3a5ef590f;hpb=0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 diff --git a/include/stdarg.h b/include/stdarg.h index cb18778b..60d4e2af 100644 --- a/include/stdarg.h +++ b/include/stdarg.h @@ -9,22 +9,15 @@ extern "C" { #include -#define __VA_ALIGNED_SIZE(x) ((sizeof(x) + sizeof(int) - 1) & ~(sizeof(int) - 1)) - -#define va_start(ap, last) ((ap) = (void *)(((char *)&(last)) + __VA_ALIGNED_SIZE(last))) -#define va_end(ap) ((void)0) -#define va_copy(dest, src) ((dest) = (src)) - -#if 0 -#define va_arg(ap, type) \ - ( ((ap) = (va_list)((char *)(ap) + sizeof(type))), \ - *(type *)(void *)((char *)(ap) - sizeof(type)) ) +#if __GNUC__ >= 3 +#define va_start(v,l) __builtin_va_start(v,l) +#define va_end(v) __builtin_va_end(v) +#define va_arg(v,l) __builtin_va_arg(v,l) +#define va_copy(d,s) __builtin_va_copy(d,s) +#else +#include #endif -#define va_arg(ap, type) \ - ( ((ap) = (va_list)((char *)(ap) + __VA_ALIGNED_SIZE(type))), \ - *(type *)(void *)((char *)(ap) - __VA_ALIGNED_SIZE(type)) ) - #ifdef __cplusplus } #endif