1 #ifndef _LINUX_STRING_H_ 2 #define _LINUX_STRING_H_ 3 4 /* We don't want strings.h stuff being used by user stuff by accident */ 5 6 #ifndef __KERNEL__ 7 #include <string.h> 8 #else 9 10 #include <linux/compiler.h> /* for inline */ 11 #include <linux/types.h> /* for size_t */ 12 #include <linux/stddef.h> /* for NULL */ 13 14 extern char *strndup_user(const char __user *, long); 15 16 /* 17 * Include machine specific inline routines 18 */ 19 #include <asm/string.h> 20 21 #ifndef __HAVE_ARCH_STRCPY 22 extern char * strcpy(char *,const char *); 23 #endif 24 #ifndef __HAVE_ARCH_STRNCPY 25 extern char * strncpy(char *,const char *, __kernel_size_t); 26 #endif 27 #ifndef __HAVE_ARCH_STRLCPY 28 size_t strlcpy(char *, const char *, size_t); 29 #endif 30 #ifndef __HAVE_ARCH_STRCAT 31 extern char * strcat(char *, const char *); 32 #endif 33 #ifndef __HAVE_ARCH_STRNCAT 34 extern char * strncat(char *, const char *, __kernel_size_t); 35 #endif 36 #ifndef __HAVE_ARCH_STRLCAT 37 extern size_t strlcat(char *, const char *, __kernel_size_t); 38 #endif 39 #ifndef __HAVE_ARCH_STRCMP 40 extern int strcmp(const char *,const char *); 41 #endif 42 #ifndef __HAVE_ARCH_STRNCMP 43 extern int strncmp(const char *,const char *,__kernel_size_t); 44 #endif 45 #ifndef __HAVE_ARCH_STRNICMP 46 extern int strnicmp(const char *, const char *, __kernel_size_t); 47 #endif 48 #ifndef __HAVE_ARCH_STRCASECMP 49 extern int strcasecmp(const char *s1, const char *s2); 50 #endif 51 #ifndef __HAVE_ARCH_STRNCASECMP 52 extern int strncasecmp(const char *s1, const char *s2, size_t n); 53 #endif 54 #ifndef __HAVE_ARCH_STRCHR 55 extern char * strchr(const char *,int); 56 #endif 57 #ifndef __HAVE_ARCH_STRNCHR 58 extern char * strnchr(const char *, size_t, int); 59 #endif 60 #ifndef __HAVE_ARCH_STRRCHR 61 extern char * strrchr(const char *,int); 62 #endif 63 extern char * strstrip(char *); 64 #ifndef __HAVE_ARCH_STRSTR 65 extern char * strstr(const char *,const char *); 66 #endif 67 #ifndef __HAVE_ARCH_STRLEN 68 extern __kernel_size_t strlen(const char *); 69 #endif 70 #ifndef __HAVE_ARCH_STRNLEN 71 extern __kernel_size_t strnlen(const char *,__kernel_size_t); 72 #endif 73 #ifndef __HAVE_ARCH_STRPBRK 74 extern char * strpbrk(const char *,const char *); 75 #endif 76 #ifndef __HAVE_ARCH_STRSEP 77 extern char * strsep(char **,const char *); 78 #endif 79 #ifndef __HAVE_ARCH_STRSPN 80 extern __kernel_size_t strspn(const char *,const char *); 81 #endif 82 #ifndef __HAVE_ARCH_STRCSPN 83 extern __kernel_size_t strcspn(const char *,const char *); 84 #endif 85 86 #ifndef __HAVE_ARCH_MEMSET 87 extern void * memset(void *,int,__kernel_size_t); 88 #endif 89 #ifndef __HAVE_ARCH_MEMCPY 90 extern void * memcpy(void *,const void *,__kernel_size_t); 91 #endif 92 #ifndef __HAVE_ARCH_MEMMOVE 93 extern void * memmove(void *,const void *,__kernel_size_t); 94 #endif 95 #ifndef __HAVE_ARCH_MEMSCAN 96 extern void * memscan(void *,int,__kernel_size_t); 97 #endif 98 #ifndef __HAVE_ARCH_MEMCMP 99 extern int memcmp(const void *,const void *,__kernel_size_t); 100 #endif 101 #ifndef __HAVE_ARCH_MEMCHR 102 extern void * memchr(const void *,int,__kernel_size_t); 103 #endif 104 105 extern char *kstrdup(const char *s, gfp_t gfp); 106 extern char *kstrndup(const char *s, size_t len, gfp_t gfp); 107 extern void *kmemdup(const void *src, size_t len, gfp_t gfp); 108 109 extern char **argv_split(gfp_t gfp, const char *str, int *argcp); 110 extern void argv_free(char **argv); 111 112 extern bool sysfs_streq(const char *s1, const char *s2); 113 114 extern ssize_t memory_read_from_buffer(void *to, size_t count, loff_t *ppos, 115 const void *from, size_t available); 116 117 #endif 118 #endif /* _LINUX_STRING_H_ */ 119