diff options
| author | djm@openbsd.org <djm@openbsd.org> | 2016-11-25 23:22:04 +0000 |
|---|---|---|
| committer | Damien Miller <djm@mindrot.org> | 2016-11-29 16:48:02 +1100 |
| commit | a9c746088787549bb5b1ae3add7d06a1b6d93d5e (patch) | |
| tree | 02fcaaa90ae6ccd042e6197898a1d914592dc57b /sshbuf.h | |
| parent | f0ddedee460486fa0e32fefb2950548009e5026e (diff) | |
| download | openssh-git-a9c746088787549bb5b1ae3add7d06a1b6d93d5e.tar.gz | |
upstream commit
split allocation out of sshbuf_reserve() into a separate
sshbuf_allocate() function; ok markus@
Upstream-ID: 11b8a2795afeeb1418d508a2c8095b3355577ec2
Diffstat (limited to 'sshbuf.h')
| -rw-r--r-- | sshbuf.h | 10 |
1 files changed, 9 insertions, 1 deletions
@@ -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 * @@ -139,6 +139,14 @@ 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 * optional dpp parameter or a negative * SSH_ERR_* error code on failure. |