Re: [v2] lib/string: add memrchr function
From: Greg KH
Date: Tue Feb 12 2019 - 14:11:37 EST
On Wed, Feb 13, 2019 at 02:54:43AM +0800, Xiang Xiao wrote:
> Here is the detailed description for memrchr:
> void *memrchr(const void *s, int c, size_t n);
> The memrchr() function is like the memchr() function, except
> that it searches backward from the end of the n bytes pointed
> to by s instead of forward from the beginning.
> The memrchr() functions return a pointer to the matching byte
> or NULL if the character does not occur in the given memory
> Signed-off-by: Xiang Xiao <xiaoxiang@xxxxxxxxxx>
> include/linux/string.h | 1 +
> lib/string.c | 21 +++++++++++++++++++++
> 2 files changed, 22 insertions(+)
Don't add new apis without any users.