From: Timo Hirvonen <tihirvon@gmail.com>
Date: Sun, 07 Oct 2007 14:24:25 GMT
Subject: Re: [PATCH] Make strbuf_cmp inline, constify its arguments and optimize it a bit
Message-ID: <20071007172425.bb691da9.tihirvon@gmail.com>
In-Reply-To: <20071007140052.GA3260@steel.home>

Alex Riesen <raa.lkml@gmail.com> wrote:

> +static inline int strbuf_cmp(const struct strbuf *a, const struct strbuf *b)
> +{
> +	int len = a->len < b->len ? a->len: b->len;
> +	int cmp = memcmp(a->buf, b->buf, len);
> +	if (cmp)
> +		return cmp;
> +	return a->len < b->len ? -1: a->len != b->len;
> +}

strbuf->buf is always non-NULL and NUL-terminated so you could just do

static inline int strbuf_cmp(const struct strbuf *a, const struct strbuf *b)
{
	int len = a->len < b->len ? a->len : b->len;
	return memcmp(a->buf, b->buf, len + 1);
}