184 lines
5.6 KiB
Plaintext
184 lines
5.6 KiB
Plaintext
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.\" ========================================================================
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.\"
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.IX Title "ERR_SET_MARK 3ossl"
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.TH ERR_SET_MARK 3ossl "2024-01-30" "3.2.1" "OpenSSL"
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.\" For nroff, turn off justification. Always turn off hyphenation; it makes
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.\" way too many mistakes in technical documents.
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.if n .ad l
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.nh
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.SH "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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.SH "SYNOPSIS"
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.IX Header "SYNOPSIS"
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.Vb 1
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\& #include <openssl/err.h>
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\&
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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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.Ve
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.SH "DESCRIPTION"
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.IX Header "DESCRIPTION"
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\&\fIERR_set_mark()\fR sets a mark on the current topmost error record if there
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is one.
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.PP
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\&\fIERR_pop_to_mark()\fR 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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.PP
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\&\fIERR_clear_last_mark()\fR removes the last mark added if there is one.
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.PP
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\&\fIERR_count_to_mark()\fR 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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.SH "RETURN VALUES"
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.IX Header "RETURN VALUES"
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\&\fIERR_set_mark()\fR returns 0 if the error stack is empty, otherwise 1.
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.PP
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\&\fIERR_clear_last_mark()\fR and \fIERR_pop_to_mark()\fR 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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.PP
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\&\fIERR_count_to_mark()\fR 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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.SH "COPYRIGHT"
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.IX Header "COPYRIGHT"
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Copyright 2003\-2023 The OpenSSL Project Authors. All Rights Reserved.
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.PP
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Licensed under the Apache License 2.0 (the \*(L"License\*(R"). 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 \s-1LICENSE\s0 in the source distribution or at
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<https://www.openssl.org/source/license.html>.
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