Jeff King <p...@peff.net> writes:
> diff --git a/builtin/mailsplit.c b/builtin/mailsplit.c
> index 2d43278..772c668 100644
> --- a/builtin/mailsplit.c
> +++ b/builtin/mailsplit.c
> @@ -130,6 +130,26 @@ static int populate_maildir_list(struct string_list
> *list, const char *path)
> return 0;
> }
>
> +static int maildir_filename_cmp(const char *a, const char *b)
> +{
> + while (1) {
It is somewhat funny that we do not need to check !*a or !*b in this
loop. As long as readdir() does not return duplicates, we won't be
comparing the same strings with this function, and we won't read
past '\0' at the end of both a and b at the same time.
> + if (isdigit(*a) && isdigit(*b)) {
> + long int na, nb;
> + na = strtol(a, (char **)&a, 10);
> + nb = strtol(b, (char **)&b, 10);
> + if (na != nb)
> + return na - nb;
> + /* strtol advanced our pointers */
> + }
> + else {
> + if (*a != *b)
> + return *a - *b;
> + a++;
> + b++;
> + }
> + }
> +}
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