Merge from vendor branch OPENSSL:
[dragonfly.git] / secure / lib / libcrypto / man / ERR_set_mark.3
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124.\" ========================================================================
125.\"
126.IX Title "ERR_set_mark 3"
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127.TH ERR_set_mark 3 "2007-10-24" "0.9.8g" "OpenSSL"
128.\" For nroff, turn off justification. Always turn off hyphenation; it makes
129.\" way too many mistakes in technical documents.
130.if n .ad l
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132.SH "NAME"
133ERR_set_mark, ERR_pop_to_mark \- set marks and pop errors until mark
134.SH "SYNOPSIS"
135.IX Header "SYNOPSIS"
136.Vb 1
137\& #include <openssl/err.h>
2eaa1526 138\&
a561f9ff 139\& int ERR_set_mark(void);
2eaa1526 140\&
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141\& int ERR_pop_to_mark(void);
142.Ve
143.SH "DESCRIPTION"
144.IX Header "DESCRIPTION"
145\&\fIERR_set_mark()\fR sets a mark on the current topmost error record if there
146is one.
147.PP
148\&\fIERR_pop_to_mark()\fR will pop the top of the error stack until a mark is found.
149The mark is then removed. If there is no mark, the whole stack is removed.
150.SH "RETURN VALUES"
151.IX Header "RETURN VALUES"
152\&\fIERR_set_mark()\fR returns 0 if the error stack is empty, otherwise 1.
153.PP
154\&\fIERR_pop_to_mark()\fR returns 0 if there was no mark in the error stack, which
155implies that the stack became empty, otherwise 1.
156.SH "SEE ALSO"
157.IX Header "SEE ALSO"
158\&\fIerr\fR\|(3)
159.SH "HISTORY"
160.IX Header "HISTORY"
161\&\fIERR_set_mark()\fR and \fIERR_pop_to_mark()\fR were added in OpenSSL 0.9.8.