Function strbuf_read

strbuf.c:533–558

}

ssize_t strbuf_read(struct strbuf *sb, int fd, size_t hint)
{
	size_t oldlen = sb->len;
	size_t oldalloc = sb->alloc;

	strbuf_grow(sb, hint ? hint : 8192);
	for (;;) {
		ssize_t want = sb->alloc - sb->len - 1;
		ssize_t got = read_in_full(fd, sb->buf + sb->len, want);

		if (got < 0) {
			if (oldalloc == 0)
				strbuf_release(sb);
			else
				strbuf_setlen(sb, oldlen);
			return -1;
		}
		sb->len += got;
		if (got < want)
			break;
		strbuf_grow(sb, 8192);
	}

	sb->buf[sb->len] = '\0';
	return sb->len - oldlen;
}

ssize_t strbuf_read_once(struct strbuf *sb, int fd, size_t hint)
{