1/* 2 * Copyright (C) 2013 ARM Ltd. 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 as 6 * published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 * 13 * You should have received a copy of the GNU General Public License 14 * along with this program. If not, see <http://www.gnu.org/licenses/>. 15 */ 16#ifndef __ASM_STRING_H 17#define __ASM_STRING_H 18 19#define __HAVE_ARCH_STRRCHR 20extern char *strrchr(const char *, int c); 21 22#define __HAVE_ARCH_STRCHR 23extern char *strchr(const char *, int c); 24 25#define __HAVE_ARCH_STRCMP 26extern int strcmp(const char *, const char *); 27 28#define __HAVE_ARCH_STRNCMP 29extern int strncmp(const char *, const char *, __kernel_size_t); 30 31#define __HAVE_ARCH_STRLEN 32extern __kernel_size_t strlen(const char *); 33 34#define __HAVE_ARCH_STRNLEN 35extern __kernel_size_t strnlen(const char *, __kernel_size_t); 36 37#define __HAVE_ARCH_MEMCPY 38extern void *memcpy(void *, const void *, __kernel_size_t); 39extern void *__memcpy(void *, const void *, __kernel_size_t); 40 41#define __HAVE_ARCH_MEMMOVE 42extern void *memmove(void *, const void *, __kernel_size_t); 43extern void *__memmove(void *, const void *, __kernel_size_t); 44 45#define __HAVE_ARCH_MEMCHR 46extern void *memchr(const void *, int, __kernel_size_t); 47 48#define __HAVE_ARCH_MEMSET 49extern void *memset(void *, int, __kernel_size_t); 50extern void *__memset(void *, int, __kernel_size_t); 51 52#define __HAVE_ARCH_MEMCMP 53extern int memcmp(const void *, const void *, size_t); 54 55 56#if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__) 57 58/* 59 * For files that are not instrumented (e.g. mm/slub.c) we 60 * should use not instrumented version of mem* functions. 61 */ 62 63#define memcpy(dst, src, len) __memcpy(dst, src, len) 64#define memmove(dst, src, len) __memmove(dst, src, len) 65#define memset(s, c, n) __memset(s, c, n) 66#endif 67 68#endif 69