compiler/fortify: remove unused label prefix and fix build warning
string/lib_memmove.c:39:1: warning: optimization attribute on 'memmove' follows definition but the attribute doesn't match [-Wattributes] 39 | { | ^ In file included from string/lib_memmove.c:27: nuttx/include/string.h:177:37: note: previous definition of 'memmove' with type 'void *(void *, const void *, size_t)' {aka 'void *(void *, const void *, unsigned int)'} 177 | fortify_function(memmove) FAR void *memmove(FAR void *dest, | ^~~~~~~ string/lib_memset.c:55:1: warning: optimization attribute on 'memset' follows definition but the attribute doesn't match [-Wattributes] 55 | { | ^ In file included from string/lib_memset.c:30: nuttx/include/string.h:194:36: note: previous definition of 'memset' with type 'void *(void *, int, size_t)' {aka 'void *(void *, int, unsigned int)'} 194 | fortify_function(memset) FAR void *memset(FAR void *s, int c, size_t n) | ^~~~~~ CC: unistd/lib_sysconf.c string/lib_memcpy.c:43:1: warning: optimization attribute on 'memcpy' follows definition but the attribute doesn't match [-Wattributes] 43 | { | ^ In file included from string/lib_memcpy.c:27: nuttx/include/string.h:186:36: note: previous definition of 'memcpy' with type 'void *(void *, const void *, size_t)' {aka 'void *(void *, const void *, unsigned int)'} 186 | fortify_function(memcpy) FAR void *memcpy(FAR void *dest, | Signed-off-by: chao an <anchao@xiaomi.com>
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@ -111,10 +111,9 @@
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while (0)
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# define fortify_va_arg_pack __builtin_va_arg_pack
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# define fortify_str(s) #s
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# define fortify_real(p,fn) __typeof__(fn) __real_##fn __asm__(fortify_str(p) #fn)
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# define fortify_function(fn) fortify_real(__USER_LABEL_PREFIX__, fn); \
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extern __inline__ \
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# define fortify_real(fn) __typeof__(fn) __real_##fn __asm__(#fn)
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# define fortify_function(fn) fortify_real(fn); \
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extern __inline__ no_builtin(#fn) \
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__attribute__((__always_inline__, \
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__gnu_inline__, __artificial__))
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# endif
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