On Thu, Jul 05, 2012 at 12:22:45PM +0200, Eric Bénard wrote:
> Signed-off-by: Eric Bénard <eric@xxxxxxxxxx>
> ---
> include/linux/string.h | 3 +++
> lib/string.c | 39 +++++++++++++++++++++++++++++++++++++++
> 2 files changed, 42 insertions(+), 0 deletions(-)
Applied all three
Sascha
>
> diff --git a/include/linux/string.h b/include/linux/string.h
> index 62d743e..afd0aa6 100644
> --- a/include/linux/string.h
> +++ b/include/linux/string.h
> @@ -93,6 +93,9 @@ extern int memcmp(const void *,const void *,__kernel_size_t);
> #ifndef __HAVE_ARCH_MEMCHR
> extern void * memchr(const void *,int,__kernel_size_t);
> #endif
> +extern char * skip_spaces(const char *);
> +
> +extern char *strim(char *);
>
> #ifdef __cplusplus
> }
> diff --git a/lib/string.c b/lib/string.c
> index 2865088..db4f2ae 100644
> --- a/lib/string.c
> +++ b/lib/string.c
> @@ -567,3 +567,42 @@ void *memchr(const void *s, int c, size_t n)
> #endif
> EXPORT_SYMBOL(memchr);
>
> +/**
> + * skip_spaces - Removes leading whitespace from @str.
> + * @str: The string to be stripped.
> + *
> + * Returns a pointer to the first non-whitespace character in @str.
> + */
> +char *skip_spaces(const char *str)
> +{
> + while (isspace(*str))
> + ++str;
> + return (char *)str;
> +}
> +
> +/**
> + * strim - Removes leading and trailing whitespace from @s.
> + * @s: The string to be stripped.
> + *
> + * Note that the first trailing whitespace is replaced with a %NUL-terminator
> + * in the given string @s. Returns a pointer to the first non-whitespace
> + * character in @s.
> + */
> +char *strim(char *s)
> +{
> + size_t size;
> + char *end;
> +
> + s = skip_spaces(s);
> + size = strlen(s);
> + if (!size)
> + return s;
> +
> + end = s + size - 1;
> + while (end >= s && isspace(*end))
> + end--;
> + *(end + 1) = '\0';
> +
> + return s;
> +}
> +EXPORT_SYMBOL(strim);
> --
> 1.7.7.6
>
>
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