include/linux/string.h

   1 #ifndef _LINUX_STRING_H_
   2 #define _LINUX_STRING_H_
   3
   4 /* We don't want strings.h stuff being user by user stuff by accident */
   5
   6 #ifdef __KERNEL__
   7
   8 #include <linux/compiler.h>     /* for inline */
   9 #include <linux/types.h>        /* for size_t */
  10 #include <linux/stddef.h>       /* for NULL */
  11
  12 #ifdef __cplusplus
  13 extern "C" {
  14 #endif
  15
  16 extern char * strpbrk(const char *,const char *);
  17 extern char * strsep(char **,const char *);
  18 extern __kernel_size_t strspn(const char *,const char *);
  19 extern __kernel_size_t strcspn(const char *,const char *);
  20
  21 /*
  22  * Include machine specific inline routines
  23  */
  24 #include <asm/string.h>
  25
  26 #ifndef __HAVE_ARCH_STRCPY
  27 extern char * strcpy(char *,const char *);
  28 #endif
  29 #ifndef __HAVE_ARCH_STRNCPY
  30 extern char * strncpy(char *,const char *, __kernel_size_t);
  31 #endif
  32 #ifndef __HAVE_ARCH_STRLCPY
  33 size_t strlcpy(char *, const char *, size_t);
  34 #endif
  35 #ifndef __HAVE_ARCH_STRCAT
  36 extern char * strcat(char *, const char *);
  37 #endif
  38 #ifndef __HAVE_ARCH_STRNCAT
  39 extern char * strncat(char *, const char *, __kernel_size_t);
  40 #endif
  41 #ifndef __HAVE_ARCH_STRLCAT
  42 extern size_t strlcat(char *, const char *, __kernel_size_t);
  43 #endif
  44 #ifndef __HAVE_ARCH_STRCMP
  45 extern int strcmp(const char *,const char *);
  46 #endif
  47 #ifndef __HAVE_ARCH_STRNCMP
  48 extern int strncmp(const char *,const char *,__kernel_size_t);
  49 #endif
  50 #ifndef __HAVE_ARCH_STRNICMP
  51 extern int strnicmp(const char *, const char *, __kernel_size_t);
  52 #endif
  53 #ifndef __HAVE_ARCH_STRCHR
  54 extern char * strchr(const char *,int);
  55 #endif
  56 #ifndef __HAVE_ARCH_STRNCHR
  57 extern char * strnchr(const char *, size_t, int);
  58 #endif
  59 #ifndef __HAVE_ARCH_STRRCHR
  60 extern char * strrchr(const char *,int);
  61 #endif
  62 #ifndef __HAVE_ARCH_STRSTR
  63 extern char * strstr(const char *,const char *);
  64 #endif
  65 #ifndef __HAVE_ARCH_STRLEN
  66 extern __kernel_size_t strlen(const char *);
  67 #endif
  68 #ifndef __HAVE_ARCH_STRNLEN
  69 extern __kernel_size_t strnlen(const char *,__kernel_size_t);
  70 #endif
  71
  72 #ifndef __HAVE_ARCH_MEMSET
  73 extern void * memset(void *,int,__kernel_size_t);
  74 #endif
  75 #ifndef __HAVE_ARCH_MEMCPY
  76 extern void * memcpy(void *,const void *,__kernel_size_t);
  77 #endif
  78 #ifndef __HAVE_ARCH_MEMMOVE
  79 extern void * memmove(void *,const void *,__kernel_size_t);
  80 #endif
  81 #ifndef __HAVE_ARCH_MEMSCAN
  82 extern void * memscan(void *,int,__kernel_size_t);
  83 #endif
  84 #ifndef __HAVE_ARCH_MEMCMP
  85 extern int memcmp(const void *,const void *,__kernel_size_t);
  86 #endif
  87 #ifndef __HAVE_ARCH_MEMCHR
  88 extern void * memchr(const void *,int,__kernel_size_t);
  89 #endif
  90
  91 #ifdef __cplusplus
  92 }
  93 #endif
  94
  95 #endif
  96 #endif /* _LINUX_STRING_H_ */