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Add ltdl.h shim for Windows

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This commit is contained in:
Ondřej Surý 2020-05-19 16:36:01 +02:00
parent 028362d937
commit 8c4ee37dab
2 changed files with 44 additions and 0 deletions
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43
lib/isc/win32/ltdl.h Normal file
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@ -0,0 +1,43 @@
/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#pragma once
#include <windows.h>
#define lt_dlhandle HMODULE
#define lt_dlinit() ISC_R_SUCCESS
#define lt_dlopen(f) LoadLibraryW(f)
#define lt_dlsym(h, s) GetProcAddress(h, s)
#define lt_dlclose(h) FreeLibrary(h)
_Thread_local LPSTR __dlerror_message[1024] = { 0 };
static const char *
lt_dlerror(void) {
DWORD errorMessageID = GetLastError();
if (errorMessageID == 0) {
return (NULL);
}
LPSTR messageBuffer = NULL;
size_t size = FormatMessageA(
FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, errorMessageID, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPSTR)&messageBuffer, 0, NULL);
strlcpy(__dlerror_message, messageBuffer, sizeof(__dlerror_message));
LocalFree(messageBuffer);
return ((const char *)__dlerror_message);
}

1
util/copyrights
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@ -2031,6 +2031,7 @@
./lib/isc/win32/libisc.vcxproj.filters.in X 2013,2014,2015,2016,2018,2019,2020
./lib/isc/win32/libisc.vcxproj.in X 2013,2014,2015,2016,2017,2018,2019,2020
./lib/isc/win32/libisc.vcxproj.user X 2013,2018,2019,2020
./lib/isc/win32/ltdl.h C 2020
./lib/isc/win32/meminfo.c C 2015,2016,2018,2019,2020
./lib/isc/win32/net.c C 1999,2000,2001,2002,2003,2004,2005,2007,2008,2009,2011,2012,2013,2014,2015,2016,2018,2019,2020
./lib/isc/win32/netdb.h C 2000,2001,2004,2006,2007,2009,2013,2016,2018,2019,2020