Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef _LINUX_STRING_H_
2#define _LINUX_STRING_H_
3
4/* We don't want strings.h stuff being used by user stuff by accident */
5
6#ifndef __KERNEL__
7#include <string.h>
8#else
9
10#include <linux/compiler.h> /* for inline */
11#include <linux/types.h> /* for size_t */
12#include <linux/stddef.h> /* for NULL */
13
14extern char *strndup_user(const char __user *, long);
15
16/*
17 * Include machine specific inline routines
18 */
19#include <asm/string.h>
20
21#ifndef __HAVE_ARCH_STRCPY
22extern char * strcpy(char *,const char *);
23#endif
24#ifndef __HAVE_ARCH_STRNCPY
25extern char * strncpy(char *,const char *, __kernel_size_t);
26#endif
27#ifndef __HAVE_ARCH_STRLCPY
28size_t strlcpy(char *, const char *, size_t);
29#endif
30#ifndef __HAVE_ARCH_STRCAT
31extern char * strcat(char *, const char *);
32#endif
33#ifndef __HAVE_ARCH_STRNCAT
34extern char * strncat(char *, const char *, __kernel_size_t);
35#endif
36#ifndef __HAVE_ARCH_STRLCAT
37extern size_t strlcat(char *, const char *, __kernel_size_t);
38#endif
39#ifndef __HAVE_ARCH_STRCMP
40extern int strcmp(const char *,const char *);
41#endif
42#ifndef __HAVE_ARCH_STRNCMP
43extern int strncmp(const char *,const char *,__kernel_size_t);
44#endif
45#ifndef __HAVE_ARCH_STRNICMP
46extern int strnicmp(const char *, const char *, __kernel_size_t);
47#endif
48#ifndef __HAVE_ARCH_STRCASECMP
49extern int strcasecmp(const char *s1, const char *s2);
50#endif
51#ifndef __HAVE_ARCH_STRNCASECMP
52extern int strncasecmp(const char *s1, const char *s2, size_t n);
53#endif
54#ifndef __HAVE_ARCH_STRCHR
55extern char * strchr(const char *,int);
56#endif
57#ifndef __HAVE_ARCH_STRNCHR
58extern char * strnchr(const char *, size_t, int);
59#endif
60#ifndef __HAVE_ARCH_STRRCHR
61extern char * strrchr(const char *,int);
62#endif
63extern char * strstrip(char *);
64#ifndef __HAVE_ARCH_STRSTR
65extern char * strstr(const char *,const char *);
66#endif
67#ifndef __HAVE_ARCH_STRLEN
68extern __kernel_size_t strlen(const char *);
69#endif
70#ifndef __HAVE_ARCH_STRNLEN
71extern __kernel_size_t strnlen(const char *,__kernel_size_t);
72#endif
73#ifndef __HAVE_ARCH_STRPBRK
74extern char * strpbrk(const char *,const char *);
75#endif
76#ifndef __HAVE_ARCH_STRSEP
77extern char * strsep(char **,const char *);
78#endif
79#ifndef __HAVE_ARCH_STRSPN
80extern __kernel_size_t strspn(const char *,const char *);
81#endif
82#ifndef __HAVE_ARCH_STRCSPN
83extern __kernel_size_t strcspn(const char *,const char *);
84#endif
85
86#ifndef __HAVE_ARCH_MEMSET
87extern void * memset(void *,int,__kernel_size_t);
88#endif
89#ifndef __HAVE_ARCH_MEMCPY
90extern void * memcpy(void *,const void *,__kernel_size_t);
91#endif
92#ifndef __HAVE_ARCH_MEMMOVE
93extern void * memmove(void *,const void *,__kernel_size_t);
94#endif
95#ifndef __HAVE_ARCH_MEMSCAN
96extern void * memscan(void *,int,__kernel_size_t);
97#endif
98#ifndef __HAVE_ARCH_MEMCMP
99extern int memcmp(const void *,const void *,__kernel_size_t);
100#endif
101#ifndef __HAVE_ARCH_MEMCHR
102extern void * memchr(const void *,int,__kernel_size_t);
103#endif
104
105extern char *kstrdup(const char *s, gfp_t gfp);
106extern char *kstrndup(const char *s, size_t len, gfp_t gfp);
107extern void *kmemdup(const void *src, size_t len, gfp_t gfp);
108
109extern char **argv_split(gfp_t gfp, const char *str, int *argcp);
110extern void argv_free(char **argv);
111
112extern bool sysfs_streq(const char *s1, const char *s2);
113
114extern ssize_t memory_read_from_buffer(void *to, size_t count, loff_t *ppos,
115 const void *from, size_t available);
116
117#endif
118#endif /* _LINUX_STRING_H_ */