On Sun, 2014-10-19 at 00:03 +0200, Rickard Strandqvist wrote:
> Added a function strzcpy which works the same as strncpy,
> but guaranteed to produce the trailing null character.
>
> There are many places in the code where strncpy used although it
> must be zero terminated, and switching to strlcpy is not an option
> because the string must nonetheless be fyld with zero characters.
[]
> diff --git a/lib/string.c b/lib/string.c
[]
> +char *strzcpy(char *dest, const char *src, size_t count)
> +{
> + char *tmp = dest;
> +
> + while (count) {
> + if ((*tmp = *src) != 0)
> + src++;
> + tmp++;
> + count--;
> + }
> +
> + if (dest != tmp)
> + *--tmp = '\0';
> +
> + return dest;
> +}
why not
char *strzcpy(char *dest, const char *src, size_t count)
{
strncpy(dest, src, count)
if (count)
dest[count - 1] = 0; /* or '\0' or whatever */
return dest;
}
maybe use static inline too.
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