1.\" $OpenBSD: ERR_load_crypto_strings.3,v 1.8 2019/06/14 13:41:31 schwarze Exp $ 2.\" OpenSSL a528d4f0 Oct 27 13:40:11 2015 -0400 3.\" 4.\" This file is a derived work. 5.\" The changes are covered by the following Copyright and license: 6.\" 7.\" Copyright (c) 2017 Ingo Schwarze <schwarze@openbsd.org> 8.\" 9.\" Permission to use, copy, modify, and distribute this software for any 10.\" purpose with or without fee is hereby granted, provided that the above 11.\" copyright notice and this permission notice appear in all copies. 12.\" 13.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 14.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 15.\" MERCHANTABILITY AND FITNESS. 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Redistributions in binary form must reproduce the above copyright 32.\" notice, this list of conditions and the following disclaimer in 33.\" the documentation and/or other materials provided with the 34.\" distribution. 35.\" 36.\" 3. All advertising materials mentioning features or use of this 37.\" software must display the following acknowledgment: 38.\" "This product includes software developed by the OpenSSL Project 39.\" for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 40.\" 41.\" 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 42.\" endorse or promote products derived from this software without 43.\" prior written permission. For written permission, please contact 44.\" openssl-core@openssl.org. 45.\" 46.\" 5. Products derived from this software may not be called "OpenSSL" 47.\" nor may "OpenSSL" appear in their names without prior written 48.\" permission of the OpenSSL Project. 49.\" 50.\" 6. Redistributions of any form whatsoever must retain the following 51.\" acknowledgment: 52.\" "This product includes software developed by the OpenSSL Project 53.\" for use in the OpenSSL Toolkit (http://www.openssl.org/)" 54.\" 55.\" THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 56.\" EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 57.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 58.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 59.\" ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 60.\" SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 61.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 62.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 63.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 64.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 65.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 66.\" OF THE POSSIBILITY OF SUCH DAMAGE. 67.\" 68.Dd $Mdocdate: June 14 2019 $ 69.Dt ERR_LOAD_CRYPTO_STRINGS 3 70.Os 71.Sh NAME 72.Nm ERR_load_crypto_strings , 73.Nm ERR_free_strings , 74.Nm SSL_load_error_strings 75.Nd load and free OpenSSL error strings 76.Sh SYNOPSIS 77.In openssl/err.h 78.Ft void 79.Fn ERR_load_crypto_strings void 80.Ft void 81.Fn ERR_free_strings void 82.In openssl/ssl.h 83.Ft void 84.Fn SSL_load_error_strings void 85.Sh DESCRIPTION 86These functions are deprecated. 87It is never useful for any application program to call any of them explicitly. 88The library automatically calls them internally whenever needed. 89.Pp 90.Fn ERR_load_crypto_strings 91registers the error strings for all 92.Xr crypto 3 93functions. 94.Fn SSL_load_error_strings 95does the same, but also registers the 96.Xr ssl 3 97error strings. 98.Pp 99If the error strings were already loaded before, no action occurs. 100.Pp 101.Fn ERR_free_strings 102frees all previously loaded error strings. 103.Sh SEE ALSO 104.Xr ERR 3 , 105.Xr ERR_error_string 3 106.Sh HISTORY 107.Fn ERR_load_crypto_strings 108and 109.Fn SSL_load_error_strings 110first appeared in SSLeay 0.4.4. 111.Fn ERR_free_strings 112first appeared in SSLeay 0.5.1. 113These functions been available since 114.Ox 2.4 . 115.Sh BUGS 116Even though the error strings are already compiled into the object 117code of the library as static strings, these functions store them 118again using dynamically allocated memory on the heap. 119That may fail if insufficient memory is available, 120but these functions do not report such errors. 121Instead, they fail silently, possibly having registered none or only 122a part of the strings requested. 123