diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2012-12-17 16:01:18 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-17 17:15:17 -0800 |
| commit | b18888ab256f05626193be955a7a03f01d676f8c (patch) | |
| tree | 50e0839fc250c1766138b47f9d8750124ed938aa /include | |
| parent | 0edd807dc96522d9a8e8b5298552cd8adf810cc5 (diff) | |
string: introduce helper to get base file name from given path
There are several places in the kernel that use functionality like
basename(3) with the exception: in case of '/foo/bar/' we expect to get an
empty string. Let's do it common helper for them.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Jason Baron <jbaron@redhat.com>
Cc: YAMANE Toshiaki <yamanetoshi@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/string.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/string.h b/include/linux/string.h index 630125818ca8..ac889c5ea11b 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -143,4 +143,15 @@ static inline bool strstarts(const char *str, const char *prefix) extern size_t memweight(const void *ptr, size_t bytes); +/** + * 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_ */ |