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| author |   Maxime Ripard <maxime@cerno.tech> | 2020-02-17 10:34:34 +0100 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2020-02-17 10:34:34 +0100 |
| commit | 28f2aff1caa4997f58ca31179cad1b4a84a62827 (patch) | |
| tree | 69fb4b0a752f3660ce022a4313f8c7b276bbcceb /lib/string.c | |
| parent | dma-buf: Fix a typo in Kconfig (diff) | |
| parent | Linux 5.6-rc2 (diff) | |
| download | wireguard-linux-28f2aff1caa4997f58ca31179cad1b4a84a62827.tar.xz wireguard-linux-28f2aff1caa4997f58ca31179cad1b4a84a62827.zip | |
Merge v5.6-rc2 into drm-misc-next
Lyude needs some patches in 5.6-rc2 and we didn't bring drm-misc-next
forward yet, so it looks like a good occasion.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'lib/string.c')
| -rw-r--r-- | lib/string.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/string.c b/lib/string.c index 08ec58cc673b..f607b967d978 100644 --- a/lib/string.c +++ b/lib/string.c @@ -434,6 +434,23 @@ char *strchrnul(const char *s, int c) EXPORT_SYMBOL(strchrnul); #endif +/** + * strnchrnul - Find and return a character in a length limited string, + * or end of string + * @s: The string to be searched + * @count: The number of characters to be searched + * @c: The character to search for + * + * Returns pointer to the first occurrence of 'c' in s. If c is not found, + * then return a pointer to the last character of the string. + */ +char *strnchrnul(const char *s, size_t count, int c) +{ + while (count-- && *s && *s != (char)c) + s++; + return (char *)s; +} + #ifndef __HAVE_ARCH_STRRCHR /** * strrchr - Find the last occurrence of a character in a string |