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clk: samsung: Fix double add of syscore ops after driver rebind
[deliverable/linux.git] / include / linux / string.h
CommitLineData
1da177e4
LT		 1#ifndef _LINUX_STRING_H_
2#define _LINUX_STRING_H_
3
1da177e4
LT		 4
5#include <linux/compiler.h> /* for inline */
6#include <linux/types.h> /* for size_t */
7#include <linux/stddef.h> /* for NULL */
4370aa4a 8#include <stdarg.h>
607ca46e 9#include <uapi/linux/string.h>
1da177e4 10
96840aa0 11extern char *strndup_user(const char __user *, long);
610a77e0 12extern void *memdup_user(const void __user *, size_t);
96840aa0 13
1da177e4
LT		 14/*
15 * Include machine specific inline routines
16 */
17#include <asm/string.h>
18
19#ifndef __HAVE_ARCH_STRCPY
20extern char * strcpy(char *,const char *);
21#endif
22#ifndef __HAVE_ARCH_STRNCPY
23extern char * strncpy(char *,const char *, __kernel_size_t);
24#endif
25#ifndef __HAVE_ARCH_STRLCPY
26size_t strlcpy(char *, const char *, size_t);
27#endif
28#ifndef __HAVE_ARCH_STRCAT
29extern char * strcat(char *, const char *);
30#endif
31#ifndef __HAVE_ARCH_STRNCAT
32extern char * strncat(char *, const char *, __kernel_size_t);
33#endif
34#ifndef __HAVE_ARCH_STRLCAT
35extern size_t strlcat(char *, const char *, __kernel_size_t);
36#endif
37#ifndef __HAVE_ARCH_STRCMP
38extern int strcmp(const char *,const char *);
39#endif
40#ifndef __HAVE_ARCH_STRNCMP
41extern int strncmp(const char *,const char *,__kernel_size_t);
42#endif
43#ifndef __HAVE_ARCH_STRNICMP
b0bfb631 44#define strnicmp strncasecmp
1da177e4 45#endif
ded220bd
DM		 46#ifndef __HAVE_ARCH_STRCASECMP
47extern int strcasecmp(const char *s1, const char *s2);
48#endif
49#ifndef __HAVE_ARCH_STRNCASECMP
50extern int strncasecmp(const char *s1, const char *s2, size_t n);
51#endif
1da177e4
LT		 52#ifndef __HAVE_ARCH_STRCHR
53extern char * strchr(const char *,int);
54#endif
11d200e9
GL		 55#ifndef __HAVE_ARCH_STRCHRNUL
56extern char * strchrnul(const char *,int);
57#endif
1da177e4
LT		 58#ifndef __HAVE_ARCH_STRNCHR
59extern char * strnchr(const char *, size_t, int);
60#endif
61#ifndef __HAVE_ARCH_STRRCHR
62extern char * strrchr(const char *,int);
63#endif
f653398c 64extern char * __must_check skip_spaces(const char *);
ca54cb8c
KM		 65
66extern char *strim(char *);
67
68static inline __must_check char *strstrip(char *str)
69{
70 return strim(str);
71}
72
1da177e4 73#ifndef __HAVE_ARCH_STRSTR
d5f1fb53
LZ		 74extern char * strstr(const char *, const char *);
75#endif
76#ifndef __HAVE_ARCH_STRNSTR
77extern char * strnstr(const char *, const char *, size_t);
1da177e4
LT		 78#endif
79#ifndef __HAVE_ARCH_STRLEN
80extern __kernel_size_t strlen(const char *);
81#endif
82#ifndef __HAVE_ARCH_STRNLEN
83extern __kernel_size_t strnlen(const char *,__kernel_size_t);
84#endif
8833d328
KM		 85#ifndef __HAVE_ARCH_STRPBRK
86extern char * strpbrk(const char *,const char *);
87#endif
88#ifndef __HAVE_ARCH_STRSEP
89extern char * strsep(char **,const char *);
90#endif
91#ifndef __HAVE_ARCH_STRSPN
92extern __kernel_size_t strspn(const char *,const char *);
93#endif
94#ifndef __HAVE_ARCH_STRCSPN
95extern __kernel_size_t strcspn(const char *,const char *);
96#endif
1da177e4
LT		 97
98#ifndef __HAVE_ARCH_MEMSET
99extern void * memset(void *,int,__kernel_size_t);
100#endif
101#ifndef __HAVE_ARCH_MEMCPY
102extern void * memcpy(void *,const void *,__kernel_size_t);
103#endif
104#ifndef __HAVE_ARCH_MEMMOVE
105extern void * memmove(void *,const void *,__kernel_size_t);
106#endif
107#ifndef __HAVE_ARCH_MEMSCAN
108extern void * memscan(void *,int,__kernel_size_t);
109#endif
110#ifndef __HAVE_ARCH_MEMCMP
111extern int memcmp(const void *,const void *,__kernel_size_t);
112#endif
113#ifndef __HAVE_ARCH_MEMCHR
114extern void * memchr(const void *,int,__kernel_size_t);
115#endif
79824820 116void *memchr_inv(const void *s, int c, size_t n);
1da177e4 117
dd0fc66f 118extern char *kstrdup(const char *s, gfp_t gfp);
1e66df3e 119extern char *kstrndup(const char *s, size_t len, gfp_t gfp);
1a2f67b4 120extern void *kmemdup(const void *src, size_t len, gfp_t gfp);
543537bd 121
d84d1cc7
JF		 122extern char **argv_split(gfp_t gfp, const char *str, int *argcp);
123extern void argv_free(char **argv);
124
34990cf7 125extern bool sysfs_streq(const char *s1, const char *s2);
d0f1fed2 126extern int strtobool(const char *s, bool *res);
34990cf7 127
4370aa4a
LJ		 128#ifdef CONFIG_BINARY_PRINTF
129int vbin_printf(u32 *bin_buf, size_t size, const char *fmt, va_list args);
130int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf);
131int bprintf(u32 *bin_buf, size_t size, const char *fmt, ...) __printf(3, 4);
132#endif
133
e108526e
AM		 134extern ssize_t memory_read_from_buffer(void *to, size_t count, loff_t *ppos,
135 const void *from, size_t available);
136
66f92cf9
RR		 137/**
138 * strstarts - does @str start with @prefix?
139 * @str: string to examine
140 * @prefix: prefix to look for.
141 */
142static inline bool strstarts(const char *str, const char *prefix)
143{
144 return strncmp(str, prefix, strlen(prefix)) == 0;
145}
639b9e34
AM		 146
147extern size_t memweight(const void *ptr, size_t bytes);
148
b18888ab
AS		 149/**
150 * kbasename - return the last part of a pathname.
151 *
152 * @path: path to extract the filename from.
153 */
154static inline const char *kbasename(const char *path)
155{
156 const char *tail = strrchr(path, '/');
157 return tail ? tail + 1 : path;
158}
159
1da177e4 160#endif /* _LINUX_STRING_H_ */
Linux kernel - Deliverables
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