1=pod 2 3=head1 NAME 4 5ERR_set_mark, ERR_pop_to_mark - set marks and pop errors until mark 6 7=head1 SYNOPSIS 8 9 #include <openssl/err.h> 10 11 int ERR_set_mark(void); 12 13 int ERR_pop_to_mark(void); 14 15=head1 DESCRIPTION 16 17ERR_set_mark() sets a mark on the current topmost error record if there 18is one. 19 20ERR_pop_to_mark() will pop the top of the error stack until a mark is found. 21The mark is then removed. If there is no mark, the whole stack is removed. 22 23=head1 RETURN VALUES 24 25ERR_set_mark() returns 0 if the error stack is empty, otherwise 1. 26 27ERR_pop_to_mark() returns 0 if there was no mark in the error stack, which 28implies that the stack became empty, otherwise 1. 29 30=head1 COPYRIGHT 31 32Copyright 2003-2017 The OpenSSL Project Authors. All Rights Reserved. 33 34Licensed under the OpenSSL license (the "License"). You may not use 35this file except in compliance with the License. You can obtain a copy 36in the file LICENSE in the source distribution or at 37L<https://www.openssl.org/source/license.html>. 38 39=cut 40