Re: [PATCH] Make xstrndup common

["Alex Riesen" <raa.lkml@xxxxxxxxx>]

On 5/3/07, Daniel Barkalow <barkalow@xxxxxxxxxxxx> wrote:
> +static inline char *xstrndup(const char *str, int len)
> +{
> +       char *ret;
> +       int i;
> +       for (i = 0; i < len && str[i]; i++)
> +               ;
> +       ret = xmalloc(i + 1);
> +       strncpy(ret, str, i);
> +       ret[i] = '\0';
> +       return ret;
> +}

I'd suggest using platform-optimized memchr:

static inline char *xstrndup(const char *s, int len)
{
   char *p = memchr(s, 0, len);
   int n = p ? p - s: len;
   p = xmalloc(n + 1);
   memcpy(p, s, n);
   p[n] = '\0';
   return p;
}
-
To unsubscribe from this list: send the line "unsubscribe git" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html