1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef BOOT_STRING_H
3#define BOOT_STRING_H
4
5/* Undef any of these macros coming from string_32.h. */
6#undef memcpy
7#undef memset
8#undef memcmp
9
10void *memcpy(void *dst, const void *src, size_t len);
11void *memset(void *dst, int c, size_t len);
12int memcmp(const void *s1, const void *s2, size_t len);
13
14/*
15 * Access builtin version by default. If one needs to use optimized version,
16 * do "undef memcpy" in .c file and link against right string.c
17 */
18#define memcpy(d,s,l) __builtin_memcpy(d,s,l)
19#define memset(d,c,l) __builtin_memset(d,c,l)
20#define memcmp __builtin_memcmp
21
22extern int strcmp(const char *str1, const char *str2);
23extern int strncmp(const char *cs, const char *ct, size_t count);
24extern size_t strlen(const char *s);
25extern char *strstr(const char *s1, const char *s2);
26extern char *strchr(const char *s, int c);
27extern size_t strnlen(const char *s, size_t maxlen);
28extern unsigned int atou(const char *s);
29extern unsigned long long simple_strtoull(const char *cp, char **endp,
30 unsigned int base);
31
32int kstrtoull(const char *s, unsigned int base, unsigned long long *res);
33#endif /* BOOT_STRING_H */
34