1.\" $OpenBSD: ERR_set_mark.3,v 1.3 2016/11/23 17:59:29 schwarze Exp $ 2.\" OpenSSL b97fdb57 Nov 11 09:33:09 2016 +0100 3.\" 4.\" This file was written by Richard Levitte <levitte@openssl.org>. 5.\" Copyright (c) 2003 The OpenSSL Project. All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 11.\" 1. Redistributions of source code must retain the above copyright 12.\" notice, this list of conditions and the following disclaimer. 13.\" 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in 16.\" the documentation and/or other materials provided with the 17.\" distribution. 18.\" 19.\" 3. All advertising materials mentioning features or use of this 20.\" software must display the following acknowledgment: 21.\" "This product includes software developed by the OpenSSL Project 22.\" for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 23.\" 24.\" 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 25.\" endorse or promote products derived from this software without 26.\" prior written permission. For written permission, please contact 27.\" openssl-core@openssl.org. 28.\" 29.\" 5. Products derived from this software may not be called "OpenSSL" 30.\" nor may "OpenSSL" appear in their names without prior written 31.\" permission of the OpenSSL Project. 32.\" 33.\" 6. Redistributions of any form whatsoever must retain the following 34.\" acknowledgment: 35.\" "This product includes software developed by the OpenSSL Project 36.\" for use in the OpenSSL Toolkit (http://www.openssl.org/)" 37.\" 38.\" THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 39.\" EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 40.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 41.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 42.\" ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 43.\" SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 44.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 45.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 46.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 47.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 48.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 49.\" OF THE POSSIBILITY OF SUCH DAMAGE. 50.\" 51.Dd $Mdocdate: November 23 2016 $ 52.Dt ERR_SET_MARK 3 53.Os 54.Sh NAME 55.Nm ERR_set_mark , 56.Nm ERR_pop_to_mark 57.Nd set marks and pop OpenSSL errors until mark 58.Sh SYNOPSIS 59.In openssl/err.h 60.Ft int 61.Fn ERR_set_mark void 62.Ft int 63.Fn ERR_pop_to_mark void 64.Sh DESCRIPTION 65.Fn ERR_set_mark 66sets a mark on the current topmost error record if there is one. 67.Pp 68.Fn ERR_pop_to_mark 69will pop the top of the error stack until a mark is found. 70The mark is then removed. 71If there is no mark, the whole stack is removed. 72.Sh RETURN VALUES 73.Fn ERR_set_mark 74returns 0 if the error stack is empty, otherwise 1. 75.Pp 76.Fn ERR_pop_to_mark 77returns 0 if there was no mark in the error stack, which implies that 78the stack became empty, otherwise 1. 79.Sh SEE ALSO 80.Xr ERR 3 81.Sh HISTORY 82.Fn ERR_set_mark 83and 84.Fn ERR_pop_to_mark 85were added in OpenSSL 0.9.8. 86