diff options
| author | Davi Arnaut <davi.arnaut@gmail.com> | 2006-03-24 03:18:42 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-24 07:33:31 -0800 |
| commit | 96840aa00a031069a136ec4c55d0bdd09ac6d3a7 (patch) | |
| tree | f93592ca47f2412aa0cce3ce4c116d1678a42239 /include | |
| parent | 6687a97d4041f996f725902d2990e5de6ef5cbe5 (diff) | |
[PATCH] strndup_user()
This patch series creates a strndup_user() function to easy copying C strings
from userspace. Also we avoid common pitfalls like userspace modifying the
final \0 after the strlen_user().
Signed-off-by: Davi Arnaut <davi.arnaut@gmail.com>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/string.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/string.h b/include/linux/string.h index 369be3264a55..dee221429ad0 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -18,6 +18,8 @@ extern char * strsep(char **,const char *); extern __kernel_size_t strspn(const char *,const char *); extern __kernel_size_t strcspn(const char *,const char *); +extern char *strndup_user(const char __user *, long); + /* * Include machine specific inline routines */ |