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Rev | Author | Line No. | Line |
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1408 | serge | 1 | #ifndef _LINUX_STRING_H_ |
2 | #define _LINUX_STRING_H_ |
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3 | |||
4 | |||
5 | #include |
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6 | #include |
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7 | #include |
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8 | #include |
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5270 | serge | 9 | #include |
1408 | serge | 10 | |
11 | extern char *strndup_user(const char __user *, long); |
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12 | extern void *memdup_user(const void __user *, size_t); |
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6936 | serge | 13 | extern void *memdup_user_nul(const void __user *, size_t); |
1408 | serge | 14 | |
15 | /* |
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16 | * Include machine specific inline routines |
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17 | */ |
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18 | #include |
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19 | |||
20 | #ifndef __HAVE_ARCH_STRCPY |
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21 | extern char * strcpy(char *,const char *); |
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22 | #endif |
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23 | #ifndef __HAVE_ARCH_STRNCPY |
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24 | extern char * strncpy(char *,const char *, __kernel_size_t); |
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25 | #endif |
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26 | #ifndef __HAVE_ARCH_STRLCPY |
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27 | size_t strlcpy(char *, const char *, size_t); |
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28 | #endif |
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6082 | serge | 29 | #ifndef __HAVE_ARCH_STRSCPY |
30 | ssize_t __must_check strscpy(char *, const char *, size_t); |
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31 | #endif |
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1408 | serge | 32 | #ifndef __HAVE_ARCH_STRCAT |
33 | extern char * strcat(char *, const char *); |
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34 | #endif |
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35 | #ifndef __HAVE_ARCH_STRNCAT |
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36 | extern char * strncat(char *, const char *, __kernel_size_t); |
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37 | #endif |
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38 | #ifndef __HAVE_ARCH_STRLCAT |
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39 | extern size_t strlcat(char *, const char *, __kernel_size_t); |
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40 | #endif |
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41 | #ifndef __HAVE_ARCH_STRCMP |
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42 | extern int strcmp(const char *,const char *); |
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43 | #endif |
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44 | #ifndef __HAVE_ARCH_STRNCMP |
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45 | extern int strncmp(const char *,const char *,__kernel_size_t); |
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46 | #endif |
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47 | #ifndef __HAVE_ARCH_STRCASECMP |
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48 | extern int strcasecmp(const char *s1, const char *s2); |
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49 | #endif |
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50 | #ifndef __HAVE_ARCH_STRNCASECMP |
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51 | extern int strncasecmp(const char *s1, const char *s2, size_t n); |
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52 | #endif |
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53 | #ifndef __HAVE_ARCH_STRCHR |
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54 | extern char * strchr(const char *,int); |
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55 | #endif |
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5056 | serge | 56 | #ifndef __HAVE_ARCH_STRCHRNUL |
57 | extern char * strchrnul(const char *,int); |
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58 | #endif |
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1408 | serge | 59 | #ifndef __HAVE_ARCH_STRNCHR |
60 | extern char * strnchr(const char *, size_t, int); |
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61 | #endif |
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62 | #ifndef __HAVE_ARCH_STRRCHR |
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63 | extern char * strrchr(const char *,int); |
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64 | #endif |
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1964 | serge | 65 | extern char * __must_check skip_spaces(const char *); |
66 | |||
67 | extern char *strim(char *); |
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68 | |||
69 | static inline __must_check char *strstrip(char *str) |
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70 | { |
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71 | return strim(str); |
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72 | } |
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73 | |||
1408 | serge | 74 | #ifndef __HAVE_ARCH_STRSTR |
1964 | serge | 75 | extern char * strstr(const char *, const char *); |
1408 | serge | 76 | #endif |
1964 | serge | 77 | #ifndef __HAVE_ARCH_STRNSTR |
78 | extern char * strnstr(const char *, const char *, size_t); |
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79 | #endif |
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1408 | serge | 80 | #ifndef __HAVE_ARCH_STRLEN |
81 | extern __kernel_size_t strlen(const char *); |
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82 | #endif |
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83 | #ifndef __HAVE_ARCH_STRNLEN |
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84 | extern __kernel_size_t strnlen(const char *,__kernel_size_t); |
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85 | #endif |
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86 | #ifndef __HAVE_ARCH_STRPBRK |
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87 | extern char * strpbrk(const char *,const char *); |
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88 | #endif |
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89 | #ifndef __HAVE_ARCH_STRSEP |
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90 | extern char * strsep(char **,const char *); |
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91 | #endif |
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92 | #ifndef __HAVE_ARCH_STRSPN |
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93 | extern __kernel_size_t strspn(const char *,const char *); |
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94 | #endif |
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95 | #ifndef __HAVE_ARCH_STRCSPN |
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96 | extern __kernel_size_t strcspn(const char *,const char *); |
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97 | #endif |
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98 | |||
99 | #ifndef __HAVE_ARCH_MEMSET |
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100 | extern void * memset(void *,int,__kernel_size_t); |
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101 | #endif |
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102 | #ifndef __HAVE_ARCH_MEMCPY |
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103 | extern void * memcpy(void *,const void *,__kernel_size_t); |
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104 | #endif |
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105 | #ifndef __HAVE_ARCH_MEMMOVE |
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106 | extern void * memmove(void *,const void *,__kernel_size_t); |
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107 | #endif |
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108 | #ifndef __HAVE_ARCH_MEMSCAN |
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109 | extern void * memscan(void *,int,__kernel_size_t); |
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110 | #endif |
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111 | #ifndef __HAVE_ARCH_MEMCMP |
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112 | extern int memcmp(const void *,const void *,__kernel_size_t); |
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113 | #endif |
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114 | #ifndef __HAVE_ARCH_MEMCHR |
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115 | extern void * memchr(const void *,int,__kernel_size_t); |
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116 | #endif |
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2967 | Serge | 117 | void *memchr_inv(const void *s, int c, size_t n); |
6082 | serge | 118 | char *strreplace(char *s, char old, char new); |
1408 | serge | 119 | |
6082 | serge | 120 | extern void kfree_const(const void *x); |
121 | |||
1408 | serge | 122 | extern char *kstrdup(const char *s, gfp_t gfp); |
6082 | serge | 123 | extern const char *kstrdup_const(const char *s, gfp_t gfp); |
1408 | serge | 124 | extern char *kstrndup(const char *s, size_t len, gfp_t gfp); |
125 | extern void *kmemdup(const void *src, size_t len, gfp_t gfp); |
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126 | |||
127 | extern char **argv_split(gfp_t gfp, const char *str, int *argcp); |
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128 | extern void argv_free(char **argv); |
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129 | |||
130 | extern bool sysfs_streq(const char *s1, const char *s2); |
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7143 | serge | 131 | extern int kstrtobool(const char *s, bool *res); |
132 | static inline int strtobool(const char *s, bool *res) |
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133 | { |
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134 | return kstrtobool(s, res); |
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135 | } |
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1408 | serge | 136 | |
7143 | serge | 137 | int match_string(const char * const *array, size_t n, const char *string); |
138 | |||
1408 | serge | 139 | #ifdef CONFIG_BINARY_PRINTF |
140 | int vbin_printf(u32 *bin_buf, size_t size, const char *fmt, va_list args); |
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141 | int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf); |
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142 | int bprintf(u32 *bin_buf, size_t size, const char *fmt, ...) __printf(3, 4); |
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143 | #endif |
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144 | |||
145 | extern ssize_t memory_read_from_buffer(void *to, size_t count, loff_t *ppos, |
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6082 | serge | 146 | const void *from, size_t available); |
1408 | serge | 147 | |
148 | /** |
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149 | * strstarts - does @str start with @prefix? |
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150 | * @str: string to examine |
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151 | * @prefix: prefix to look for. |
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152 | */ |
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153 | static inline bool strstarts(const char *str, const char *prefix) |
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154 | { |
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155 | return strncmp(str, prefix, strlen(prefix)) == 0; |
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156 | } |
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3120 | serge | 157 | |
5270 | serge | 158 | size_t memweight(const void *ptr, size_t bytes); |
159 | void memzero_explicit(void *s, size_t count); |
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3120 | serge | 160 | |
4065 | Serge | 161 | /** |
162 | * kbasename - return the last part of a pathname. |
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163 | * |
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164 | * @path: path to extract the filename from. |
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165 | */ |
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166 | static inline const char *kbasename(const char *path) |
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167 | { |
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168 | const char *tail = strrchr(path, '/'); |
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169 | return tail ? tail + 1 : path; |
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170 | } |
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171 | |||
1408 | serge | 172 | #endif /* _LINUX_STRING_H_ */ |