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.\" ========================================================================
.\"
.IX Title "CONF_modules_free 3"
.TH CONF_modules_free 3 "2019-12-20" "1.0.2u" "OpenSSL"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.SH "NAME"
.Vb 2
\& CONF_modules_free, CONF_modules_finish, CONF_modules_unload \-
\& OpenSSL configuration cleanup functions
.Ve
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/conf.h>
\&
\& void CONF_modules_free(void);
\& void CONF_modules_finish(void);
\& void CONF_modules_unload(int all);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fICONF_modules_free()\fR closes down and frees up all memory allocated by all
configuration modules.
.PP
\&\fICONF_modules_finish()\fR calls each configuration modules \fBfinish\fR handler
to free up any configuration that module may have performed.
.PP
\&\fICONF_modules_unload()\fR finishes and unloads configuration modules. If
\&\fBall\fR is set to \fB0\fR only modules loaded from DSOs will be unloads. If
\&\fBall\fR is \fB1\fR all modules, including builtin modules will be unloaded.
.SH "NOTES"
.IX Header "NOTES"
Normally applications will only call \fICONF_modules_free()\fR at application to
tidy up any configuration performed.
.SH "RETURN VALUE"
.IX Header "RETURN VALUE"
None of the functions return a value.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fIconf\fR\|(5), \fIOPENSSL_config\fR\|(3),
\&\fICONF_modules_load_file\fR\|(3)
.SH "HISTORY"
.IX Header "HISTORY"
\&\fICONF_modules_free()\fR, \fICONF_modules_unload()\fR, and \fICONF_modules_finish()\fR
first appeared in OpenSSL 0.9.7.