[279] | 1 | #ifndef _STDARG_H
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| 2 | #define _STDARG_H
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| 3 |
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| 4 | #ifdef __x86_64__
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| 5 | #ifndef _WIN64
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| 6 |
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| 7 | typedef void *va_list;
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| 8 |
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| 9 | va_list __va_start(void *fp);
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| 10 | void *__va_arg(va_list ap, int arg_type, int size);
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| 11 | va_list __va_copy(va_list src);
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| 12 | void __va_end(va_list ap);
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| 13 |
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| 14 | #define va_start(ap, last) ((ap) = __va_start(__builtin_frame_address(0)))
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| 15 | #define va_arg(ap, type) \
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| 16 | (*(type *)(__va_arg(ap, __builtin_va_arg_types(type), sizeof(type))))
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| 17 | #define va_copy(dest, src) ((dest) = __va_copy(src))
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| 18 | #define va_end(ap) __va_end(ap)
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| 19 |
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| 20 | #else /* _WIN64 */
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| 21 | typedef char *va_list;
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| 22 | #define va_start(ap,last) ap = ((char *)&(last)) + ((sizeof(last)+7)&~7)
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| 23 | #define va_arg(ap,type) (ap += (sizeof(type)+7)&~7, *(type *)(ap - ((sizeof(type)+7)&~7)))
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| 24 | #define va_copy(dest, src) (dest) = (src)
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| 25 | #define va_end(ap)
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| 26 | #endif
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| 27 |
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| 28 | #else /* __i386__ */
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| 29 | typedef char *va_list;
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| 30 | /* only correct for i386 */
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| 31 | #define va_start(ap,last) ap = ((char *)&(last)) + ((sizeof(last)+3)&~3)
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| 32 | #define va_arg(ap,type) (ap += (sizeof(type)+3)&~3, *(type *)(ap - ((sizeof(type)+3)&~3)))
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| 33 | #define va_copy(dest, src) (dest) = (src)
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| 34 | #define va_end(ap)
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| 35 | #endif
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| 36 |
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| 37 | /* fix a buggy dependency on GCC in libio.h */
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| 38 | typedef va_list __gnuc_va_list;
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| 39 | #define _VA_LIST_DEFINED
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| 40 |
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| 41 | #endif /* _STDARG_H */
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