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172 lines
5.4 KiB
172 lines
5.4 KiB
#ifndef _LINUX_STRING_H_ |
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#define _LINUX_STRING_H_ |
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#include <linux/compiler.h> /* for inline */ |
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#include <linux/types.h> /* for size_t */ |
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#include <linux/stddef.h> /* for NULL */ |
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#include <stdarg.h> |
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#include <uapi/linux/string.h> |
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extern char *strndup_user(const char __user *, long); |
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extern void *memdup_user(const void __user *, size_t); |
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extern void *memdup_user_nul(const void __user *, size_t); |
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/* |
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* Include machine specific inline routines |
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*/ |
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#include <asm/string.h> |
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#ifndef __HAVE_ARCH_STRCPY |
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extern char * strcpy(char *,const char *) __nocapture(2); |
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#endif |
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#ifndef __HAVE_ARCH_STRNCPY |
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extern char * strncpy(char *,const char *, __kernel_size_t) __nocapture(2); |
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#endif |
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#ifndef __HAVE_ARCH_STRLCPY |
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size_t strlcpy(char *, const char *, size_t) __nocapture(2); |
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#endif |
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#ifndef __HAVE_ARCH_STRSCPY |
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ssize_t __must_check strscpy(char *, const char *, size_t) __nocapture(2); |
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#endif |
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#ifndef __HAVE_ARCH_STRCAT |
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extern char * strcat(char *, const char *) __nocapture(2); |
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#endif |
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#ifndef __HAVE_ARCH_STRNCAT |
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extern char * strncat(char *, const char *, __kernel_size_t) __nocapture(2); |
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#endif |
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#ifndef __HAVE_ARCH_STRLCAT |
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extern size_t strlcat(char *, const char *, __kernel_size_t) __nocapture(2); |
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#endif |
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#ifndef __HAVE_ARCH_STRCMP |
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extern int strcmp(const char *,const char *) __nocapture(); |
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#endif |
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#ifndef __HAVE_ARCH_STRNCMP |
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extern int strncmp(const char *,const char *,__kernel_size_t) __nocapture(1, 2); |
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#endif |
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#ifndef __HAVE_ARCH_STRCASECMP |
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extern int strcasecmp(const char *s1, const char *s2) __nocapture(); |
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#endif |
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#ifndef __HAVE_ARCH_STRNCASECMP |
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extern int strncasecmp(const char *s1, const char *s2, size_t n) __nocapture(1, 2); |
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#endif |
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#ifndef __HAVE_ARCH_STRCHR |
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extern char * strchr(const char *,int) __nocapture(-1); |
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#endif |
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#ifndef __HAVE_ARCH_STRCHRNUL |
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extern char * strchrnul(const char *,int) __nocapture(-1); |
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#endif |
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#ifndef __HAVE_ARCH_STRNCHR |
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extern char * strnchr(const char *, size_t, int) __nocapture(-1); |
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#endif |
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#ifndef __HAVE_ARCH_STRRCHR |
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extern char * strrchr(const char *,int) __nocapture(-1); |
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#endif |
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extern char * __must_check skip_spaces(const char *) __nocapture(-1); |
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extern char *strim(char *); |
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static inline __must_check char *strstrip(char *str) |
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{ |
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return strim(str); |
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} |
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#ifndef __HAVE_ARCH_STRSTR |
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extern char * strstr(const char *, const char *) __nocapture(-1, 2); |
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#endif |
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#ifndef __HAVE_ARCH_STRNSTR |
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extern char * strnstr(const char *, const char *, size_t); |
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#endif |
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#ifndef __HAVE_ARCH_STRLEN |
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extern __kernel_size_t strlen(const char *) __nocapture(1); |
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#endif |
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#ifndef __HAVE_ARCH_STRNLEN |
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extern __kernel_size_t strnlen(const char *,__kernel_size_t) __nocapture(1); |
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#endif |
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#ifndef __HAVE_ARCH_STRPBRK |
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extern char * strpbrk(const char *,const char *) __nocapture(-1, 2); |
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#endif |
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#ifndef __HAVE_ARCH_STRSEP |
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extern char * strsep(char **,const char *) __nocapture(2); |
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#endif |
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#ifndef __HAVE_ARCH_STRSPN |
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extern __kernel_size_t strspn(const char *,const char *) __nocapture(); |
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#endif |
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#ifndef __HAVE_ARCH_STRCSPN |
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extern __kernel_size_t strcspn(const char *,const char *) __nocapture(); |
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#endif |
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#ifndef __HAVE_ARCH_MEMSET |
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extern void * memset(void *,int,__kernel_size_t); |
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#endif |
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#ifndef __HAVE_ARCH_MEMCPY |
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extern void * memcpy(void *,const void *,__kernel_size_t) __nocapture(2); |
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#endif |
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#ifndef __HAVE_ARCH_MEMMOVE |
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extern void * memmove(void *,const void *,__kernel_size_t) __nocapture(2); |
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#endif |
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#ifndef __HAVE_ARCH_MEMSCAN |
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extern void * memscan(void *,int,__kernel_size_t); |
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#endif |
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#ifndef __HAVE_ARCH_MEMCMP |
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extern int memcmp(const void *,const void *,__kernel_size_t) __nocapture(1, 2); |
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#endif |
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#ifndef __HAVE_ARCH_MEMCHR |
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extern void * memchr(const void *,int,__kernel_size_t) __nocapture(-1); |
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#endif |
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void *memchr_inv(const void *s, int c, size_t n) __nocapture(-1); |
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char *strreplace(char *s, char old, char new); |
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extern void kfree_const(const void *x); |
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extern char *kstrdup(const char *s, gfp_t gfp) __malloc __nocapture(1); |
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extern const char *kstrdup_const(const char *s, gfp_t gfp) __nocapture(1); |
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extern char *kstrndup(const char *s, size_t len, gfp_t gfp) __nocapture(1); |
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extern void *kmemdup(const void *src, size_t len, gfp_t gfp) __nocapture(1); |
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extern char **argv_split(gfp_t gfp, const char *str, int *argcp); |
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extern void argv_free(char **argv); |
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extern bool sysfs_streq(const char *s1, const char *s2) __nocapture(); |
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extern int kstrtobool(const char *s, bool *res) __nocapture(1); |
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static inline int strtobool(const char *s, bool *res) |
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{ |
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return kstrtobool(s, res); |
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} |
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int match_string(const char * const *array, size_t n, const char *string); |
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#ifdef CONFIG_BINARY_PRINTF |
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int vbin_printf(u32 *bin_buf, size_t size, const char *fmt, va_list args) __nocapture(3); |
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int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf) __nocapture(3); |
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int bprintf(u32 *bin_buf, size_t size, const char *fmt, ...) __printf(3, 4); |
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#endif |
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extern ssize_t memory_read_from_buffer(void *to, size_t count, loff_t *ppos, |
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const void *from, size_t available); |
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/** |
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* strstarts - does @str start with @prefix? |
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* @str: string to examine |
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* @prefix: prefix to look for. |
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*/ |
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static inline bool strstarts(const char *str, const char *prefix) |
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{ |
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return strncmp(str, prefix, strlen(prefix)) == 0; |
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} |
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size_t memweight(const void *ptr, size_t bytes); |
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void memzero_explicit(void *s, size_t count); |
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/** |
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* kbasename - return the last part of a pathname. |
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* |
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* @path: path to extract the filename from. |
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*/ |
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static inline const char *kbasename(const char *path) |
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{ |
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const char *tail = strrchr(path, '/'); |
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return tail ? tail + 1 : path; |
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} |
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#endif /* _LINUX_STRING_H_ */
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