OPENSSL_FILE.3ossl 5.7 KB

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  133. .\" ========================================================================
  134. .\"
  135. .IX Title "OPENSSL_FILE 3ossl"
  136. .TH OPENSSL_FILE 3ossl "2024-09-03" "3.3.2" "OpenSSL"
  137. .\" For nroff, turn off justification. Always turn off hyphenation; it makes
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  139. .if n .ad l
  140. .nh
  141. .SH "NAME"
  142. OPENSSL_FILE, OPENSSL_LINE, OPENSSL_FUNC,
  143. OPENSSL_MSTR, OPENSSL_MSTR_HELPER
  144. \&\- generic C programming utility macros
  145. .SH "SYNOPSIS"
  146. .IX Header "SYNOPSIS"
  147. .Vb 1
  148. \& #include <openssl/macros.h>
  149. \&
  150. \& #define OPENSSL_FILE /* typically: _\|_FILE_\|_ */
  151. \& #define OPENSSL_LINE /* typically: _\|_LINE_\|_ */
  152. \& #define OPENSSL_FUNC /* typically: _\|_func_\|_ */
  153. \&
  154. \& #define OPENSSL_MSTR_HELPER(x) #x
  155. \& #define OPENSSL_MSTR(x) OPENSSL_MSTR_HELPER(x)
  156. .Ve
  157. .SH "DESCRIPTION"
  158. .IX Header "DESCRIPTION"
  159. The macros \fB\s-1OPENSSL_FILE\s0\fR and \fB\s-1OPENSSL_LINE\s0\fR
  160. typically yield the current filename and line number during C compilation.
  161. When \fB\s-1OPENSSL_NO_FILENAMES\s0\fR is defined they yield \fB""\fR and \fB0\fR, respectively.
  162. .PP
  163. The macro \fB\s-1OPENSSL_FUNC\s0\fR attempts to yield the name of the C function
  164. currently being compiled, as far as language and compiler versions allow.
  165. Otherwise, it yields \*(L"(unknown function)\*(R".
  166. .PP
  167. The macro \fB\s-1OPENSSL_MSTR\s0\fR yields the expansion of the macro given as argument,
  168. which is useful for concatenation with string constants.
  169. The macro \fB\s-1OPENSSL_MSTR_HELPER\s0\fR is an auxiliary macro for this purpose.
  170. .SH "RETURN VALUES"
  171. .IX Header "RETURN VALUES"
  172. see above
  173. .SH "SEE ALSO"
  174. .IX Header "SEE ALSO"
  175. \&\fBcrypto\fR\|(7)
  176. .SH "HISTORY"
  177. .IX Header "HISTORY"
  178. \&\fB\s-1OPENSSL_FUNC\s0\fR, \fB\s-1OPENSSL_MSTR\s0\fR, and \fB\s-1OPENSSL_MSTR_HELPER\s0\fR
  179. were added in OpenSSL 3.0.
  180. .SH "COPYRIGHT"
  181. .IX Header "COPYRIGHT"
  182. Copyright 2018\-2019 The OpenSSL Project Authors. All Rights Reserved.
  183. .PP
  184. Licensed under the Apache License 2.0 (the \*(L"License\*(R"). You may not use
  185. this file except in compliance with the License. You can obtain a copy
  186. in the file \s-1LICENSE\s0 in the source distribution or at
  187. <https://www.openssl.org/source/license.html>.