mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-21 03:33:59 +08:00
14d4cc0883
optimized away by GCC. This is important when we are wiping cryptographically sensitive material. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCAAGBQJUQTmuAAoJENNvdpvBGATwFToP/jOGL/Z5NE7Oa33jC+oRDdEC 6gDXi27emzkll5BsxRLOR26vxXZ9AsBBI+U9pmhy64pcSUSxocTIZ+Bh0bx/LQyd w6HTTTYFk9GNtQCGrxRoNBPLdH/qz83ClvlWmpjsYpIEFfSOU3YncygSbps3uSeZ tdXiI5G1zZNGrljQrL+roJCZX5TP4XxHFbdUjeyV9Z8210oYTwCfpzHjg9+D24f0 rwTOHa0Lp6IrecU4Vlq4PFP+y4/ZdYYVwnpyX5UtTHP3QP176PcrwvnAl4Ys/8Lx 9uqj+gNrUnC6KHsSKhUxwMq9Ch7nu6iLLAYuIUMvxZargsmbNQFShHZyu2mwDgko bp+oTw8byOQyv6g/hbFpTVwfwpiv/AGu8VxmG3ORGqndOldTh+oQ9xMnuBZA8sXX PxHxEUY9hr66nVFg4iuxT/2KJJA+Ol8ARkB0taCWhwavzxXJeedEVEw5nbtQxRsM AJGxjBsAgSw7SJD03yAQH5kRGYvIdv03JRbIiMPmKjlP+pl1JkzOAPhVMUD+24vI x6oFpSa5FH5utlt3nCZuxlOYBuWhWKIhUzEoY2HwCsyISQScPcwL9EP15sWceY5i 8+Wylvf+yqGVU3KopCBBV/oX3Wm/kj1A8OP/4Kk8UHw9k2btjYETYayhP1DHKnIt /4pr4+oGd5GlFOHRteXp =i29U -----END PGP SIGNATURE----- Merge tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random Pull /dev/random updates from Ted Ts'o: "This adds a memzero_explicit() call which is guaranteed not to be optimized away by GCC. This is important when we are wiping cryptographically sensitive material" * tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random: crypto: memzero_explicit - make sure to clear out sensitive data random: add and use memzero_explicit() for clearing data
162 lines
4.4 KiB
C
162 lines
4.4 KiB
C
#ifndef _LINUX_STRING_H_
|
|
#define _LINUX_STRING_H_
|
|
|
|
|
|
#include <linux/compiler.h> /* for inline */
|
|
#include <linux/types.h> /* for size_t */
|
|
#include <linux/stddef.h> /* for NULL */
|
|
#include <stdarg.h>
|
|
#include <uapi/linux/string.h>
|
|
|
|
extern char *strndup_user(const char __user *, long);
|
|
extern void *memdup_user(const void __user *, size_t);
|
|
|
|
/*
|
|
* Include machine specific inline routines
|
|
*/
|
|
#include <asm/string.h>
|
|
|
|
#ifndef __HAVE_ARCH_STRCPY
|
|
extern char * strcpy(char *,const char *);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_STRNCPY
|
|
extern char * strncpy(char *,const char *, __kernel_size_t);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_STRLCPY
|
|
size_t strlcpy(char *, const char *, size_t);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_STRCAT
|
|
extern char * strcat(char *, const char *);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_STRNCAT
|
|
extern char * strncat(char *, const char *, __kernel_size_t);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_STRLCAT
|
|
extern size_t strlcat(char *, const char *, __kernel_size_t);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_STRCMP
|
|
extern int strcmp(const char *,const char *);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_STRNCMP
|
|
extern int strncmp(const char *,const char *,__kernel_size_t);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_STRNICMP
|
|
#define strnicmp strncasecmp
|
|
#endif
|
|
#ifndef __HAVE_ARCH_STRCASECMP
|
|
extern int strcasecmp(const char *s1, const char *s2);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_STRNCASECMP
|
|
extern int strncasecmp(const char *s1, const char *s2, size_t n);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_STRCHR
|
|
extern char * strchr(const char *,int);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_STRCHRNUL
|
|
extern char * strchrnul(const char *,int);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_STRNCHR
|
|
extern char * strnchr(const char *, size_t, int);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_STRRCHR
|
|
extern char * strrchr(const char *,int);
|
|
#endif
|
|
extern char * __must_check skip_spaces(const char *);
|
|
|
|
extern char *strim(char *);
|
|
|
|
static inline __must_check char *strstrip(char *str)
|
|
{
|
|
return strim(str);
|
|
}
|
|
|
|
#ifndef __HAVE_ARCH_STRSTR
|
|
extern char * strstr(const char *, const char *);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_STRNSTR
|
|
extern char * strnstr(const char *, const char *, size_t);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_STRLEN
|
|
extern __kernel_size_t strlen(const char *);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_STRNLEN
|
|
extern __kernel_size_t strnlen(const char *,__kernel_size_t);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_STRPBRK
|
|
extern char * strpbrk(const char *,const char *);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_STRSEP
|
|
extern char * strsep(char **,const char *);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_STRSPN
|
|
extern __kernel_size_t strspn(const char *,const char *);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_STRCSPN
|
|
extern __kernel_size_t strcspn(const char *,const char *);
|
|
#endif
|
|
|
|
#ifndef __HAVE_ARCH_MEMSET
|
|
extern void * memset(void *,int,__kernel_size_t);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_MEMCPY
|
|
extern void * memcpy(void *,const void *,__kernel_size_t);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_MEMMOVE
|
|
extern void * memmove(void *,const void *,__kernel_size_t);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_MEMSCAN
|
|
extern void * memscan(void *,int,__kernel_size_t);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_MEMCMP
|
|
extern int memcmp(const void *,const void *,__kernel_size_t);
|
|
#endif
|
|
#ifndef __HAVE_ARCH_MEMCHR
|
|
extern void * memchr(const void *,int,__kernel_size_t);
|
|
#endif
|
|
void *memchr_inv(const void *s, int c, size_t n);
|
|
|
|
extern char *kstrdup(const char *s, gfp_t gfp);
|
|
extern char *kstrndup(const char *s, size_t len, gfp_t gfp);
|
|
extern void *kmemdup(const void *src, size_t len, gfp_t gfp);
|
|
|
|
extern char **argv_split(gfp_t gfp, const char *str, int *argcp);
|
|
extern void argv_free(char **argv);
|
|
|
|
extern bool sysfs_streq(const char *s1, const char *s2);
|
|
extern int strtobool(const char *s, bool *res);
|
|
|
|
#ifdef CONFIG_BINARY_PRINTF
|
|
int vbin_printf(u32 *bin_buf, size_t size, const char *fmt, va_list args);
|
|
int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf);
|
|
int bprintf(u32 *bin_buf, size_t size, const char *fmt, ...) __printf(3, 4);
|
|
#endif
|
|
|
|
extern ssize_t memory_read_from_buffer(void *to, size_t count, loff_t *ppos,
|
|
const void *from, size_t available);
|
|
|
|
/**
|
|
* strstarts - does @str start with @prefix?
|
|
* @str: string to examine
|
|
* @prefix: prefix to look for.
|
|
*/
|
|
static inline bool strstarts(const char *str, const char *prefix)
|
|
{
|
|
return strncmp(str, prefix, strlen(prefix)) == 0;
|
|
}
|
|
|
|
size_t memweight(const void *ptr, size_t bytes);
|
|
void memzero_explicit(void *s, size_t count);
|
|
|
|
/**
|
|
* kbasename - return the last part of a pathname.
|
|
*
|
|
* @path: path to extract the filename from.
|
|
*/
|
|
static inline const char *kbasename(const char *path)
|
|
{
|
|
const char *tail = strrchr(path, '/');
|
|
return tail ? tail + 1 : path;
|
|
}
|
|
|
|
#endif /* _LINUX_STRING_H_ */
|