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[/] [hf-risc/] [trunk/] [tools/] [riscv-gnu-toolchain-master/] [glibc/] [sysdeps/] [riscv/] [bits/] [string.h] - Rev 13
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/* This file should provide inline versions of string functions. Surround GCC-specific parts with #ifdef __GNUC__, and use `__extern_inline'. This file should define __STRING_INLINES if functions are actually defined as inlines. */ #ifndef _BITS_STRING_H #define _BITS_STRING_H 1 #define _STRING_ARCH_unaligned 0 #if defined(__GNUC__) && !defined(__cplusplus) static __inline__ unsigned long __libc_detect_null(unsigned long w) { unsigned long mask = 0x7f7f7f7f; if (sizeof(long) == 8) mask = ((mask << 16) << 16) | mask; return ~(((w & mask) + mask) | w | mask); } #endif /* __GNUC__ && !__cplusplus */ #endif /* bits/string.h */