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/*********************************************************
* Copyright (C) 2008 VMware, Inc. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation version 2.1 and no later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the Lesser GNU General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
*********************************************************/
/**
* @file vmtools.c
*
* Library entry point, utility and memory de-allocation functions for the VMTools
* shared library.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#if defined(_WIN32)
# include <windows.h>
# include "coreDump.h"
# include "netutil.h"
#endif
#include "vm_assert.h"
#include "vmtools.h"
#include "wiper.h"
#if !defined(__APPLE__)
#include "embed_version.h"
#include "vmtoolslib_version.h"
VM_EMBED_VERSION(VMTOOLSLIB_VERSION_STRING);
#endif
extern void VMTools_ResetLogging(gboolean cleanDefault);
/**
* A convenience function for wrapping an array with a GArray instance.
*
* @param[in] data The array data. The original data is copied into the
* new array.
* @param[in] elemSize The size of each element in the array.
* @param[in] count The number of elements in the array.
*
* @return A new GArray.
*/
GArray *
VMTools_WrapArray(gconstpointer data,
guint elemSize,
guint count)
{
GArray *array;
array = g_array_sized_new(FALSE, TRUE, elemSize, count);
memcpy(array->data, data, elemSize * count);
array->len = count;
return array;
}
/**
* Library constructor. Calls any needed initialization functions.
*
* @param[in] lib The library handle (Win32 only).
*/
#if defined(__GNUC__)
__attribute__((constructor))
#endif
static void
VMToolsDllInit(void *lib)
{
Bool success;
#if defined(_WIN32)
WiperInitData wiperData;
CoreDump_SetUnhandledExceptionFilter();
VMTools_ResetLogging(FALSE);
wiperData.resourceModule = lib;
success = (NetUtil_LoadIpHlpApiDll() == ERROR_SUCCESS);
g_assert(success);
success = Wiper_Init(&wiperData);
g_assert(success);
#else
VMTools_ResetLogging(FALSE);
success = Wiper_Init(NULL);
ASSERT(success);
#endif
}
/**
* Library destructor. Uninitializes any libraries that need to be cleaned up.
*/
#if defined(__GNUC__)
__attribute__((destructor))
#endif
static void
VMToolsDllFini(void)
{
#if defined(_WIN32)
NetUtil_FreeIpHlpApiDll();
#endif
VMTools_ResetLogging(TRUE);
}
/**
* Frees a pointer allocated by the vmtools library.
*
* @param[in] ptr Pointer to memory to be freed.
*/
void
vm_free(void *ptr)
{
free(ptr);
}
#if defined(_WIN32)
/**
* Windows initialization callback. Calls the library's constructor or
* destructor, depending on what is being done.
*
* @param[in] hinstDLL The library handle.
* @param[in] fdwReason Why the callback is being called.
* @param[in] lpvReserved Unused.
*
* @return TRUE.
*/
BOOL WINAPI
DllMain(HINSTANCE hinstDLL,
DWORD fdwReason,
LPVOID lpvReserved)
{
switch (fdwReason) {
case DLL_PROCESS_ATTACH:
VMToolsDllInit(hinstDLL);
break;
case DLL_PROCESS_DETACH:
VMToolsDllFini();
break;
}
return TRUE;
}
#endif
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