| blob | 189cdeb4a0f0b84fc1f88c33a47a02ce22214575 |
1 .\" $NetBSD: ERR_load_strings.3,v 1.14 2015/06/12 17:01:13 christos Exp $
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135 .\" ========================================================================
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137 .IX Title "ERR_load_strings 3"
138 .TH ERR_load_strings 3 "2009-07-19" "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 ERR_load_strings, ERR_PACK, ERR_get_next_error_library \- load
145 arbitrary error strings
146 .SH "LIBRARY"
147 libcrypto, -lcrypto
148 .SH "SYNOPSIS"
149 .IX Header "SYNOPSIS"
150 .Vb 1
151 \& #include <openssl/err.h>
152 \&
153 \& void ERR_load_strings(int lib, ERR_STRING_DATA str[]);
154 \&
155 \& int ERR_get_next_error_library(void);
156 \&
157 \& unsigned long ERR_PACK(int lib, int func, int reason);
158 .Ve
159 .SH "DESCRIPTION"
160 .IX Header "DESCRIPTION"
161 \&\fIERR_load_strings()\fR registers error strings for library number \fBlib\fR.
162 .PP
163 \&\fBstr\fR is an array of error string data:
164 .PP
165 .Vb 5
166 \& typedef struct ERR_string_data_st
167 \& {
168 \& unsigned long error;
169 \& char *string;
170 \& } ERR_STRING_DATA;
171 .Ve
172 .PP
173 The error code is generated from the library number and a function and
174 reason code: \fBerror\fR = \s-1ERR_PACK\s0(\fBlib\fR, \fBfunc\fR, \fBreason\fR).
175 \&\s-1\fIERR_PACK\s0()\fR is a macro.
176 .PP
177 The last entry in the array is {0,0}.
178 .PP
179 \&\fIERR_get_next_error_library()\fR can be used to assign library numbers
180 to user libraries at runtime.
181 .SH "RETURN VALUE"
182 .IX Header "RETURN VALUE"
183 \&\fIERR_load_strings()\fR returns no value. \s-1\fIERR_PACK\s0()\fR return the error code.
184 \&\fIERR_get_next_error_library()\fR returns a new library number.
185 .SH "SEE ALSO"
186 .IX Header "SEE ALSO"
187 \&\fIopenssl_err\fR\|(3), \fIERR_load_strings\fR\|(3)
188 .SH "HISTORY"
189 .IX Header "HISTORY"
190 \&\fIERR_load_error_strings()\fR and \s-1\fIERR_PACK\s0()\fR are available in all versions
191 of SSLeay and OpenSSL. \fIERR_get_next_error_library()\fR was added in
192 SSLeay 0.9.0.