diff options
Diffstat (limited to 'third_party/heimdal/lib/roken/sockstartup_w32.c')
-rw-r--r-- | third_party/heimdal/lib/roken/sockstartup_w32.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/roken/sockstartup_w32.c b/third_party/heimdal/lib/roken/sockstartup_w32.c new file mode 100644 index 0000000..35eb3ae --- /dev/null +++ b/third_party/heimdal/lib/roken/sockstartup_w32.c @@ -0,0 +1,75 @@ +/*********************************************************************** + * Copyright (c) 2009, Secure Endpoints Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * + **********************************************************************/ + +#include<config.h> + +#include <roken.h> + +#ifndef _WIN32 +#error Only implemented for Windows +#endif + +volatile LONG _startup_count = 0; + +ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL +rk_WSAStartup(void) +{ + WSADATA wsad; + + if (!WSAStartup( MAKEWORD(2, 2), &wsad )) { + if (wsad.wVersion != MAKEWORD(2, 2)) { + /* huh? We can't use 2.2? */ + WSACleanup(); + return -1; + } + + InterlockedIncrement(&_startup_count); + return 0; + } + + return -1; +} + + +ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL +rk_WSACleanup(void) +{ + LONG l; + + if ((l = InterlockedDecrement(&_startup_count)) < 0) { + l = InterlockedIncrement(&_startup_count) - 1; + } + + if (l >= 0) { + return WSACleanup(); + } + return -1; +} |