From a9c746088787549bb5b1ae3add7d06a1b6d93d5e Mon Sep 17 00:00:00 2001 From: "djm@openbsd.org" Date: Fri, 25 Nov 2016 23:22:04 +0000 Subject: upstream commit split allocation out of sshbuf_reserve() into a separate sshbuf_allocate() function; ok markus@ Upstream-ID: 11b8a2795afeeb1418d508a2c8095b3355577ec2 --- sshbuf.h | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'sshbuf.h') diff --git a/sshbuf.h b/sshbuf.h index 52ff017c..1ac4b8c0 100644 --- a/sshbuf.h +++ b/sshbuf.h @@ -1,4 +1,4 @@ -/* $OpenBSD: sshbuf.h,v 1.7 2016/05/02 08:49:03 djm Exp $ */ +/* $OpenBSD: sshbuf.h,v 1.8 2016/11/25 23:22:04 djm Exp $ */ /* * Copyright (c) 2011 Damien Miller * @@ -138,6 +138,14 @@ u_char *sshbuf_mutable_ptr(const struct sshbuf *buf); */ int sshbuf_check_reserve(const struct sshbuf *buf, size_t len); +/* + * Preallocates len additional bytes in buf. + * Useful for cases where the caller knows how many bytes will ultimately be + * required to avoid realloc in the buffer code. + * Returns 0 on success, or a negative SSH_ERR_* error code on failure. + */ +int sshbuf_allocate(struct sshbuf *buf, size_t len); + /* * Reserve len bytes in buf. * Returns 0 on success and a pointer to the first reserved byte via the -- cgit v1.2.1