xref: /openbmc/linux/arch/x86/boot/string.h (revision 6aa7de05)
1 #ifndef BOOT_STRING_H
2 #define BOOT_STRING_H
3 
4 /* Undef any of these macros coming from string_32.h. */
5 #undef memcpy
6 #undef memset
7 #undef memcmp
8 
9 void *memcpy(void *dst, const void *src, size_t len);
10 void *memset(void *dst, int c, size_t len);
11 int memcmp(const void *s1, const void *s2, size_t len);
12 
13 /*
14  * Access builtin version by default. If one needs to use optimized version,
15  * do "undef memcpy" in .c file and link against right string.c
16  */
17 #define memcpy(d,s,l) __builtin_memcpy(d,s,l)
18 #define memset(d,c,l) __builtin_memset(d,c,l)
19 #define memcmp	__builtin_memcmp
20 
21 extern int strcmp(const char *str1, const char *str2);
22 extern int strncmp(const char *cs, const char *ct, size_t count);
23 extern size_t strlen(const char *s);
24 extern char *strstr(const char *s1, const char *s2);
25 extern char *strchr(const char *s, int c);
26 extern size_t strnlen(const char *s, size_t maxlen);
27 extern unsigned int atou(const char *s);
28 extern unsigned long long simple_strtoull(const char *cp, char **endp,
29 					  unsigned int base);
30 
31 #endif /* BOOT_STRING_H */
32