81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
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#if defined(ESP32)
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/* Copyright (c) 2010 Lars Nordin <Lars.Nordin@SDlabs.se>
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* Copyright (C) 2010 Simon Josefsson <simon@josefsson.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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*
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* Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* Neither the name of the copyright holder nor the names
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* of any other contributors may be used to endorse or
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* promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*/
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#include "libssh2_priv.h"
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static int _libssh2_initialized = 0;
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static int _libssh2_init_flags = 0;
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LIBSSH2_API int
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libssh2_init(int flags)
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{
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if(_libssh2_initialized == 0 && !(flags & LIBSSH2_INIT_NO_CRYPTO)) {
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libssh2_crypto_init();
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}
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_libssh2_initialized++;
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_libssh2_init_flags |= flags;
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return 0;
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}
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LIBSSH2_API void
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libssh2_exit(void)
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{
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if(_libssh2_initialized == 0)
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return;
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_libssh2_initialized--;
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if(_libssh2_initialized == 0 &&
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!(_libssh2_init_flags & LIBSSH2_INIT_NO_CRYPTO)) {
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libssh2_crypto_exit();
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}
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return;
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}
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void
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_libssh2_init_if_needed(void)
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{
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if(_libssh2_initialized == 0)
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(void)libssh2_init (0);
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}
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#endif
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