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135 .\" ========================================================================
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137 .IX Title "CONF_modules_free 3"
138 .TH CONF_modules_free 3 "2014-06-05" "1.0.1n" "OpenSSL"
139 .\" For nroff, turn off justification. Always turn off hyphenation; it makes
140 .\" way too many mistakes in technical documents.
141 .if n .ad l
142 .nh
143 .SH "NAME"
144 .Vb 2
145 \& CONF_modules_free, CONF_modules_finish, CONF_modules_unload \-
146 \& OpenSSL configuration cleanup functions
147 .Ve
148 .SH "LIBRARY"
149 libcrypto, -lcrypto
150 .SH "SYNOPSIS"
151 .IX Header "SYNOPSIS"
152 .Vb 1
153 \& #include <openssl/conf.h>
154 \&
155 \& void CONF_modules_free(void);
156 \& void CONF_modules_finish(void);
157 \& void CONF_modules_unload(int all);
158 .Ve
159 .SH "DESCRIPTION"
160 .IX Header "DESCRIPTION"
161 \&\fICONF_modules_free()\fR closes down and frees up all memory allocated by all
162 configuration modules.
163 .PP
164 \&\fICONF_modules_finish()\fR calls each configuration modules \fBfinish\fR handler
165 to free up any configuration that module may have performed.
166 .PP
167 \&\fICONF_modules_unload()\fR finishes and unloads configuration modules. If
168 \&\fBall\fR is set to \fB0\fR only modules loaded from DSOs will be unloads. If
169 \&\fBall\fR is \fB1\fR all modules, including builtin modules will be unloaded.
170 .SH "NOTES"
171 .IX Header "NOTES"
172 Normally applications will only call \fICONF_modules_free()\fR at application to
173 tidy up any configuration performed.
174 .SH "RETURN VALUE"
175 .IX Header "RETURN VALUE"
176 None of the functions return a value.
177 .SH "SEE ALSO"
178 .IX Header "SEE ALSO"
179 \&\fIconf\fR\|(5), \fIOPENSSL_config\fR\|(3),
180 \&\fICONF_modules_load_file\fR\|(3)
181 .SH "HISTORY"
182 .IX Header "HISTORY"
183 \&\fICONF_modules_free()\fR, \fICONF_modules_unload()\fR, and \fICONF_modules_finish()\fR
184 first appeared in OpenSSL 0.9.7.