Function strbuf_setlen

strbuf.h:164–173

* Set the length of the buffer to a given value. This function does *not* * allocate new memory, so you should not perform a `strbuf_setlen()` to a * length that is larger than `len + strbuf_avail()`. `strbuf_setlen()` is * just meant as a 'please fix invariants from this strbuf I just messed * with'. */

 * with'.
 */
static inline void strbuf_setlen(struct strbuf *sb, size_t len)
{
	if (len > (sb->alloc ? sb->alloc - 1 : 0))
		BUG("strbuf_setlen() beyond buffer");
	sb->len = len;
	if (sb->buf != strbuf_slopbuf)
		sb->buf[len] = '\0';
	else
		assert(!strbuf_slopbuf[0]);
}

/**
 * Empty the buffer by setting the size of it to zero.