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1 | #ifndef _LINUX_STRING_H_ |
2 | #define _LINUX_STRING_H_ |
3 | |
4 | |
5 | #include <linux/compiler.h> /* for inline */ |
6 | #include <linux/types.h> /* for size_t */ |
7 | #include <linux/stddef.h> /* for NULL */ |
8 | #include <stdarg.h> |
9 | #include <uapi/linux/string.h> |
10 | |
11 | extern char *strndup_user(const char __user *, long); |
12 | extern void *memdup_user(const void __user *, size_t); |
13 | |
14 | /* |
15 | * Include machine specific inline routines |
16 | */ |
17 | #include <asm/string.h> |
18 | |
19 | #ifndef __HAVE_ARCH_STRCPY |
20 | extern char * strcpy(char *,const char *); |
21 | #endif |
22 | #ifndef __HAVE_ARCH_STRNCPY |
23 | extern char * strncpy(char *,const char *, __kernel_size_t); |
24 | #endif |
25 | #ifndef __HAVE_ARCH_STRLCPY |
26 | size_t strlcpy(char *, const char *, size_t); |
27 | #endif |
28 | #ifndef __HAVE_ARCH_STRCAT |
29 | extern char * strcat(char *, const char *); |
30 | #endif |
31 | #ifndef __HAVE_ARCH_STRNCAT |
32 | extern char * strncat(char *, const char *, __kernel_size_t); |
33 | #endif |
34 | #ifndef __HAVE_ARCH_STRLCAT |
35 | extern size_t strlcat(char *, const char *, __kernel_size_t); |
36 | #endif |
37 | #ifndef __HAVE_ARCH_STRCMP |
38 | extern int strcmp(const char *,const char *); |
39 | #endif |
40 | #ifndef __HAVE_ARCH_STRNCMP |
41 | extern int strncmp(const char *,const char *,__kernel_size_t); |
42 | #endif |
43 | #ifndef __HAVE_ARCH_STRNICMP |
44 | extern int strnicmp(const char *, const char *, __kernel_size_t); |
45 | #endif |
46 | #ifndef __HAVE_ARCH_STRCASECMP |
47 | extern int strcasecmp(const char *s1, const char *s2); |
48 | #endif |
49 | #ifndef __HAVE_ARCH_STRNCASECMP |
50 | extern int strncasecmp(const char *s1, const char *s2, size_t n); |
51 | #endif |
52 | #ifndef __HAVE_ARCH_STRCHR |
53 | extern char * strchr(const char *,int); |
54 | #endif |
55 | #ifndef __HAVE_ARCH_STRNCHR |
56 | extern char * strnchr(const char *, size_t, int); |
57 | #endif |
58 | #ifndef __HAVE_ARCH_STRRCHR |
59 | extern char * strrchr(const char *,int); |
60 | #endif |
61 | extern char * __must_check skip_spaces(const char *); |
62 | |
63 | extern char *strim(char *); |
64 | |
65 | static inline __must_check char *strstrip(char *str) |
66 | { |
67 | return strim(str); |
68 | } |
69 | |
70 | #ifndef __HAVE_ARCH_STRSTR |
71 | extern char * strstr(const char *, const char *); |
72 | #endif |
73 | #ifndef __HAVE_ARCH_STRNSTR |
74 | extern char * strnstr(const char *, const char *, size_t); |
75 | #endif |
76 | #ifndef __HAVE_ARCH_STRLEN |
77 | extern __kernel_size_t strlen(const char *); |
78 | #endif |
79 | #ifndef __HAVE_ARCH_STRNLEN |
80 | extern __kernel_size_t strnlen(const char *,__kernel_size_t); |
81 | #endif |
82 | #ifndef __HAVE_ARCH_STRPBRK |
83 | extern char * strpbrk(const char *,const char *); |
84 | #endif |
85 | #ifndef __HAVE_ARCH_STRSEP |
86 | extern char * strsep(char **,const char *); |
87 | #endif |
88 | #ifndef __HAVE_ARCH_STRSPN |
89 | extern __kernel_size_t strspn(const char *,const char *); |
90 | #endif |
91 | #ifndef __HAVE_ARCH_STRCSPN |
92 | extern __kernel_size_t strcspn(const char *,const char *); |
93 | #endif |
94 | |
95 | #ifndef __HAVE_ARCH_MEMSET |
96 | extern void * memset(void *,int,__kernel_size_t); |
97 | #endif |
98 | #ifndef __HAVE_ARCH_MEMCPY |
99 | extern void * memcpy(void *,const void *,__kernel_size_t); |
100 | #endif |
101 | #ifndef __HAVE_ARCH_MEMMOVE |
102 | extern void * memmove(void *,const void *,__kernel_size_t); |
103 | #endif |
104 | #ifndef __HAVE_ARCH_MEMSCAN |
105 | extern void * memscan(void *,int,__kernel_size_t); |
106 | #endif |
107 | #ifndef __HAVE_ARCH_MEMCMP |
108 | extern int memcmp(const void *,const void *,__kernel_size_t); |
109 | #endif |
110 | #ifndef __HAVE_ARCH_MEMCHR |
111 | extern void * memchr(const void *,int,__kernel_size_t); |
112 | #endif |
113 | void *memchr_inv(const void *s, int c, size_t n); |
114 | |
115 | extern char *kstrdup(const char *s, gfp_t gfp); |
116 | extern char *kstrndup(const char *s, size_t len, gfp_t gfp); |
117 | extern void *kmemdup(const void *src, size_t len, gfp_t gfp); |
118 | |
119 | extern char **argv_split(gfp_t gfp, const char *str, int *argcp); |
120 | extern void argv_free(char **argv); |
121 | |
122 | extern bool sysfs_streq(const char *s1, const char *s2); |
123 | extern int strtobool(const char *s, bool *res); |
124 | |
125 | #ifdef CONFIG_BINARY_PRINTF |
126 | int vbin_printf(u32 *bin_buf, size_t size, const char *fmt, va_list args); |
127 | int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf); |
128 | int bprintf(u32 *bin_buf, size_t size, const char *fmt, ...) __printf(3, 4); |
129 | #endif |
130 | |
131 | extern ssize_t memory_read_from_buffer(void *to, size_t count, loff_t *ppos, |
132 | const void *from, size_t available); |
133 | |
134 | /** |
135 | * strstarts - does @str start with @prefix? |
136 | * @str: string to examine |
137 | * @prefix: prefix to look for. |
138 | */ |
139 | static inline bool strstarts(const char *str, const char *prefix) |
140 | { |
141 | return strncmp(str, prefix, strlen(prefix)) == 0; |
142 | } |
143 | |
144 | extern size_t memweight(const void *ptr, size_t bytes); |
145 | |
146 | /** |
147 | * kbasename - return the last part of a pathname. |
148 | * |
149 | * @path: path to extract the filename from. |
150 | */ |
151 | static inline const char *kbasename(const char *path) |
152 | { |
153 | const char *tail = strrchr(path, '/'); |
154 | return tail ? tail + 1 : path; |
155 | } |
156 | |
157 | #endif /* _LINUX_STRING_H_ */ |
158 |
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9