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 #include <stdarg.h> 14 15 extern char *strndup_user(const char __user *, long); 16 17 /* 18 * Include machine specific inline routines 19 */ 20 #include <asm/string.h> 21 22 #ifndef __HAVE_ARCH_STRCPY 23 extern char * strcpy(char *,const char *); 24 #endif 25 #ifndef __HAVE_ARCH_STRNCPY 26 extern char * strncpy(char *,const char *, __kernel_size_t); 27 #endif 28 #ifndef __HAVE_ARCH_STRLCPY 29 size_t strlcpy(char *, const char *, size_t); 30 #endif 31 #ifndef __HAVE_ARCH_STRCAT 32 extern char * strcat(char *, const char *); 33 #endif 34 #ifndef __HAVE_ARCH_STRNCAT 35 extern char * strncat(char *, const char *, __kernel_size_t); 36 #endif 37 #ifndef __HAVE_ARCH_STRLCAT 38 extern size_t strlcat(char *, const char *, __kernel_size_t); 39 #endif 40 #ifndef __HAVE_ARCH_STRCMP 41 extern int strcmp(const char *,const char *); 42 #endif 43 #ifndef __HAVE_ARCH_STRNCMP 44 extern int strncmp(const char *,const char *,__kernel_size_t); 45 #endif 46 #ifndef __HAVE_ARCH_STRNICMP 47 extern int strnicmp(const char *, const char *, __kernel_size_t); 48 #endif 49 #ifndef __HAVE_ARCH_STRCASECMP 50 extern int strcasecmp(const char *s1, const char *s2); 51 #endif 52 #ifndef __HAVE_ARCH_STRNCASECMP 53 extern int strncasecmp(const char *s1, const char *s2, size_t n); 54 #endif 55 #ifndef __HAVE_ARCH_STRCHR 56 extern char * strchr(const char *,int); 57 #endif 58 #ifndef __HAVE_ARCH_STRNCHR 59 extern char * strnchr(const char *, size_t, int); 60 #endif 61 #ifndef __HAVE_ARCH_STRRCHR 62 extern char * strrchr(const char *,int); 63 #endif 64 extern char * strstrip(char *); 65 #ifndef __HAVE_ARCH_STRSTR 66 extern char * strstr(const char *,const char *); 67 #endif 68 #ifndef __HAVE_ARCH_STRLEN 69 extern __kernel_size_t strlen(const char *); 70 #endif 71 #ifndef __HAVE_ARCH_STRNLEN 72 extern __kernel_size_t strnlen(const char *,__kernel_size_t); 73 #endif 74 #ifndef __HAVE_ARCH_STRPBRK 75 extern char * strpbrk(const char *,const char *); 76 #endif 77 #ifndef __HAVE_ARCH_STRSEP 78 extern char * strsep(char **,const char *); 79 #endif 80 #ifndef __HAVE_ARCH_STRSPN 81 extern __kernel_size_t strspn(const char *,const char *); 82 #endif 83 #ifndef __HAVE_ARCH_STRCSPN 84 extern __kernel_size_t strcspn(const char *,const char *); 85 #endif 86 87 #ifndef __HAVE_ARCH_MEMSET 88 extern void * memset(void *,int,__kernel_size_t); 89 #endif 90 #ifndef __HAVE_ARCH_MEMCPY 91 extern void * memcpy(void *,const void *,__kernel_size_t); 92 #endif 93 #ifndef __HAVE_ARCH_MEMMOVE 94 extern void * memmove(void *,const void *,__kernel_size_t); 95 #endif 96 #ifndef __HAVE_ARCH_MEMSCAN 97 extern void * memscan(void *,int,__kernel_size_t); 98 #endif 99 #ifndef __HAVE_ARCH_MEMCMP 100 extern int memcmp(const void *,const void *,__kernel_size_t); 101 #endif 102 #ifndef __HAVE_ARCH_MEMCHR 103 extern void * memchr(const void *,int,__kernel_size_t); 104 #endif 105 106 extern char *kstrdup(const char *s, gfp_t gfp); 107 extern char *kstrndup(const char *s, size_t len, gfp_t gfp); 108 extern void *kmemdup(const void *src, size_t len, gfp_t gfp); 109 110 extern char **argv_split(gfp_t gfp, const char *str, int *argcp); 111 extern void argv_free(char **argv); 112 113 extern bool sysfs_streq(const char *s1, const char *s2); 114 115 #ifdef CONFIG_BINARY_PRINTF 116 int vbin_printf(u32 *bin_buf, size_t size, const char *fmt, va_list args); 117 int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf); 118 int bprintf(u32 *bin_buf, size_t size, const char *fmt, ...) __printf(3, 4); 119 #endif 120 121 extern ssize_t memory_read_from_buffer(void *to, size_t count, loff_t *ppos, 122 const void *from, size_t available); 123 124 #endif 125 #endif /* _LINUX_STRING_H_ */ 126