51 lines
1.5 KiB
Plaintext
51 lines
1.5 KiB
Plaintext
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=pod
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=head1 NAME
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ERR_set_mark, ERR_clear_last_mark, ERR_pop_to_mark, ERR_count_to_mark - set
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mark, clear mark and pop errors until mark
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=head1 SYNOPSIS
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#include <openssl/err.h>
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int ERR_set_mark(void);
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int ERR_pop_to_mark(void);
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int ERR_clear_last_mark(void);
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int ERR_count_to_mark(void);
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=head1 DESCRIPTION
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ERR_set_mark() sets a mark on the current topmost error record if there
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is one.
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ERR_pop_to_mark() will pop the top of the error stack until a mark is found.
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The mark is then removed. If there is no mark, the whole stack is removed.
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ERR_clear_last_mark() removes the last mark added if there is one.
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ERR_count_to_mark() returns the number of entries on the error stack above the
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most recently marked entry, not including that entry. If there is no mark in the
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error stack, the number of entries in the error stack is returned.
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=head1 RETURN VALUES
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ERR_set_mark() returns 0 if the error stack is empty, otherwise 1.
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ERR_clear_last_mark() and ERR_pop_to_mark() return 0 if there was no mark in the
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error stack, which implies that the stack became empty, otherwise 1.
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ERR_count_to_mark() returns the number of error stack entries found above the
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most recent mark, if any, or the total number of error stack entries.
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=head1 COPYRIGHT
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Copyright 2003-2023 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the Apache License 2.0 (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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