projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef _LINUX_STRING_H_ |
| 2 | #define _LINUX_STRING_H_ | |
| 3 | ||
| 4ac96572 | 4 | /* We don't want strings.h stuff being used by user stuff by accident */ |
| 1da177e4 | 5 | |
| 97ef1bb0 DM |
6 | #ifndef __KERNEL__ |
| 7 | #include <string.h> | |
| 8 | #else | |
| 1da177e4 LT |
9 | |
| 10 | #include <linux/compiler.h> /* for inline */ | |
| 11 | #include <linux/types.h> /* for size_t */ | |
| 12 | #include <linux/stddef.h> /* for NULL */ | |
| 4370aa4a | 13 | #include <stdarg.h> |
| 1da177e4 | 14 | |
| 96840aa0 | 15 | extern char *strndup_user(const char __user *, long); |
| 610a77e0 | 16 | extern void *memdup_user(const void __user *, size_t); |
| 96840aa0 | 17 | |
| 1da177e4 LT |
18 | /* |
| 19 | * Include machine specific inline routines | |
| 20 | */ | |
| 21 | #include <asm/string.h> | |
| 22 | ||
| 23 | #ifndef __HAVE_ARCH_STRCPY | |
| 24 | extern char * strcpy(char *,const char *); | |
| 25 | #endif | |
| 26 | #ifndef __HAVE_ARCH_STRNCPY | |
| 27 | extern char * strncpy(char *,const char *, __kernel_size_t); | |
| 28 | #endif | |
| 29 | #ifndef __HAVE_ARCH_STRLCPY | |
| 30 | size_t strlcpy(char *, const char *, size_t); | |
| 31 | #endif | |
| 32 | #ifndef __HAVE_ARCH_STRCAT | |
| 33 | extern char * strcat(char *, const char *); | |
| 34 | #endif | |
| 35 | #ifndef __HAVE_ARCH_STRNCAT | |
| 36 | extern char * strncat(char *, const char *, __kernel_size_t); | |
| 37 | #endif | |
| 38 | #ifndef __HAVE_ARCH_STRLCAT | |
| 39 | extern size_t strlcat(char *, const char *, __kernel_size_t); | |
| 40 | #endif | |
| 41 | #ifndef __HAVE_ARCH_STRCMP | |
| 42 | extern int strcmp(const char *,const char *); | |
| 43 | #endif | |
| 44 | #ifndef __HAVE_ARCH_STRNCMP | |
| 45 | extern int strncmp(const char *,const char *,__kernel_size_t); | |
| 46 | #endif | |
| 47 | #ifndef __HAVE_ARCH_STRNICMP | |
| 48 | extern int strnicmp(const char *, const char *, __kernel_size_t); | |
| 49 | #endif | |
| ded220bd DM |
50 | #ifndef __HAVE_ARCH_STRCASECMP |
| 51 | extern int strcasecmp(const char *s1, const char *s2); | |
| 52 | #endif | |
| 53 | #ifndef __HAVE_ARCH_STRNCASECMP | |
| 54 | extern int strncasecmp(const char *s1, const char *s2, size_t n); | |
| 55 | #endif | |
| 1da177e4 LT |
56 | #ifndef __HAVE_ARCH_STRCHR |
| 57 | extern char * strchr(const char *,int); | |
| 58 | #endif | |
| 59 | #ifndef __HAVE_ARCH_STRNCHR | |
| 60 | extern char * strnchr(const char *, size_t, int); | |
| 61 | #endif | |
| 62 | #ifndef __HAVE_ARCH_STRRCHR | |
| 63 | extern char * strrchr(const char *,int); | |
| 64 | #endif | |
| 481fad48 | 65 | extern char * strstrip(char *); |
| 1da177e4 LT |
66 | #ifndef __HAVE_ARCH_STRSTR |
| 67 | extern char * strstr(const char *,const char *); | |
| 68 | #endif | |
| 69 | #ifndef __HAVE_ARCH_STRLEN | |
| 70 | extern __kernel_size_t strlen(const char *); | |
| 71 | #endif | |
| 72 | #ifndef __HAVE_ARCH_STRNLEN | |
| 73 | extern __kernel_size_t strnlen(const char *,__kernel_size_t); | |
| 74 | #endif | |
| 8833d328 KM |
75 | #ifndef __HAVE_ARCH_STRPBRK |
| 76 | extern char * strpbrk(const char *,const char *); | |
| 77 | #endif | |
| 78 | #ifndef __HAVE_ARCH_STRSEP | |
| 79 | extern char * strsep(char **,const char *); | |
| 80 | #endif | |
| 81 | #ifndef __HAVE_ARCH_STRSPN | |
| 82 | extern __kernel_size_t strspn(const char *,const char *); | |
| 83 | #endif | |
| 84 | #ifndef __HAVE_ARCH_STRCSPN | |
| 85 | extern __kernel_size_t strcspn(const char *,const char *); | |
| 86 | #endif | |
| 1da177e4 LT |
87 | |
| 88 | #ifndef __HAVE_ARCH_MEMSET | |
| 89 | extern void * memset(void *,int,__kernel_size_t); | |
| 90 | #endif | |
| 91 | #ifndef __HAVE_ARCH_MEMCPY | |
| 92 | extern void * memcpy(void *,const void *,__kernel_size_t); | |
| 93 | #endif | |
| 94 | #ifndef __HAVE_ARCH_MEMMOVE | |
| 95 | extern void * memmove(void *,const void *,__kernel_size_t); | |
| 96 | #endif | |
| 97 | #ifndef __HAVE_ARCH_MEMSCAN | |
| 98 | extern void * memscan(void *,int,__kernel_size_t); | |
| 99 | #endif | |
| 100 | #ifndef __HAVE_ARCH_MEMCMP | |
| 101 | extern int memcmp(const void *,const void *,__kernel_size_t); | |
| 102 | #endif | |
| 103 | #ifndef __HAVE_ARCH_MEMCHR | |
| 104 | extern void * memchr(const void *,int,__kernel_size_t); | |
| 105 | #endif | |
| 106 | ||
| dd0fc66f | 107 | extern char *kstrdup(const char *s, gfp_t gfp); |
| 1e66df3e | 108 | extern char *kstrndup(const char *s, size_t len, gfp_t gfp); |
| 1a2f67b4 | 109 | extern void *kmemdup(const void *src, size_t len, gfp_t gfp); |
| 543537bd | 110 | |
| d84d1cc7 JF |
111 | extern char **argv_split(gfp_t gfp, const char *str, int *argcp); |
| 112 | extern void argv_free(char **argv); | |
| 113 | ||
| 34990cf7 DB |
114 | extern bool sysfs_streq(const char *s1, const char *s2); |
| 115 | ||
| 4370aa4a LJ |
116 | #ifdef CONFIG_BINARY_PRINTF |
| 117 | int vbin_printf(u32 *bin_buf, size_t size, const char *fmt, va_list args); | |
| 118 | int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf); | |
| 119 | int bprintf(u32 *bin_buf, size_t size, const char *fmt, ...) __printf(3, 4); | |
| 120 | #endif | |
| 121 | ||
| e108526e AM |
122 | extern ssize_t memory_read_from_buffer(void *to, size_t count, loff_t *ppos, |
| 123 | const void *from, size_t available); | |
| 124 | ||
| 66f92cf9 RR |
125 | /** |
| 126 | * strstarts - does @str start with @prefix? | |
| 127 | * @str: string to examine | |
| 128 | * @prefix: prefix to look for. | |
| 129 | */ | |
| 130 | static inline bool strstarts(const char *str, const char *prefix) | |
| 131 | { | |
| 132 | return strncmp(str, prefix, strlen(prefix)) == 0; | |
| 133 | } | |
| 1da177e4 LT |
134 | #endif |
| 135 | #endif /* _LINUX_STRING_H_ */ |