mirror of https://gitee.com/openkylin/linux.git
33 lines
1.1 KiB
C
33 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef BOOT_STRING_H
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#define BOOT_STRING_H
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/* Undef any of these macros coming from string_32.h. */
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#undef memcpy
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#undef memset
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#undef memcmp
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void *memcpy(void *dst, const void *src, size_t len);
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void *memset(void *dst, int c, size_t len);
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int memcmp(const void *s1, const void *s2, size_t len);
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/*
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* Access builtin version by default. If one needs to use optimized version,
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* do "undef memcpy" in .c file and link against right string.c
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*/
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#define memcpy(d,s,l) __builtin_memcpy(d,s,l)
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#define memset(d,c,l) __builtin_memset(d,c,l)
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#define memcmp __builtin_memcmp
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extern int strcmp(const char *str1, const char *str2);
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extern int strncmp(const char *cs, const char *ct, size_t count);
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extern size_t strlen(const char *s);
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extern char *strstr(const char *s1, const char *s2);
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extern char *strchr(const char *s, int c);
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extern size_t strnlen(const char *s, size_t maxlen);
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extern unsigned int atou(const char *s);
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extern unsigned long long simple_strtoull(const char *cp, char **endp,
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unsigned int base);
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#endif /* BOOT_STRING_H */
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