1.\" $OpenBSD: OPENSSL_init_ssl.3,v 1.2 2018/03/24 00:55:37 schwarze Exp $ 2.\" Copyright (c) 2018 Ingo Schwarze <schwarze@openbsd.org> 3.\" 4.\" Permission to use, copy, modify, and distribute this software for any 5.\" purpose with or without fee is hereby granted, provided that the above 6.\" copyright notice and this permission notice appear in all copies. 7.\" 8.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15.\" 16.Dd $Mdocdate: March 24 2018 $ 17.Dt OPENSSL_INIT_SSL 3 18.Os 19.Sh NAME 20.Nm OPENSSL_init_ssl 21.Nd initialise the crypto and ssl libraries 22.Sh SYNOPSIS 23.In openssl/ssl.h 24.Ft int 25.Fo OPENSSL_init_ssl 26.Fa "uint64_t options" 27.Fa "const void *dummy" 28.Fc 29.Sh DESCRIPTION 30.Fn OPENSSL_init_ssl 31calls 32.Xr OPENSSL_init_crypto 3 33and also allocates various resources used internally by the ssl library. 34.Pp 35Calling it is never useful because it is automatically called 36internally when needed. 37.Pp 38The 39.Fa options 40argument is passed on to 41.Xr OPENSSL_init_crypto 3 42and the 43.Fa dummy 44argument is ignored. 45.Pp 46If this function is called more than once, 47none of the calls except the first one have any effect. 48.Sh RETURN VALUES 49.Fn OPENSSL_init_ssl 50is intended to return 1 on success or 0 on error. 51.Sh SEE ALSO 52.Xr CONF_modules_load_file 3 , 53.Xr OPENSSL_init_crypto 3 54.Sh HISTORY 55.Fn OPENSSL_init_ssl 56first appeared in OpenSSL 1.1.0 and has been available since 57.Ox 6.3 . 58.Sh BUGS 59.Fn OPENSSL_init_ssl 60silently ignores even more configuration failures than 61.Xr OPENSSL_init_crypto 3 . 62