mirror of
https://github.com/nillerusr/source-engine.git
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150 lines
4.5 KiB
C++
150 lines
4.5 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Utilities for setting vproject settings
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//
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//===========================================================================//
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#ifdef _WIN32
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#if !defined( _X360 )
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#include <windows.h>
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#endif
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#include <direct.h>
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#include <io.h> // _chmod
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#include <process.h>
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#endif
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#if defined( _X360 )
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#include "xbox/xbox_win32stubs.h"
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#endif
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#include "vconfig.h"
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#ifdef _WIN32
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//-----------------------------------------------------------------------------
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// Purpose: Returns the string value of a registry key
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// Input : *pName - name of the subKey to read
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// *pReturn - string buffer to receive read string
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// size - size of specified buffer
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//-----------------------------------------------------------------------------
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bool GetVConfigRegistrySetting( const char *pName, char *pReturn, int size )
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{
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// Open the key
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HKEY hregkey;
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// Changed to HKEY_CURRENT_USER from HKEY_LOCAL_MACHINE
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if ( RegOpenKeyEx( HKEY_CURRENT_USER, VPROJECT_REG_KEY, 0, KEY_QUERY_VALUE, &hregkey ) != ERROR_SUCCESS )
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return false;
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// Get the value
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DWORD dwSize = size;
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if ( RegQueryValueEx( hregkey, pName, NULL, NULL,(LPBYTE) pReturn, &dwSize ) != ERROR_SUCCESS )
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return false;
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// Close the key
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RegCloseKey( hregkey );
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return true;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Sends a global system message to alert programs to a changed environment variable
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//-----------------------------------------------------------------------------
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void NotifyVConfigRegistrySettingChanged( void )
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{
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DWORD_PTR dwReturnValue = 0;
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// Propagate changes so that environment variables takes immediate effect!
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SendMessageTimeout( HWND_BROADCAST, WM_SETTINGCHANGE, 0, (LPARAM) "Environment", SMTO_ABORTIFHUNG, 5000, &dwReturnValue );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Set the registry entry to a string value, under the given subKey
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// Input : *pName - name of the subKey to set
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// *pValue - string value
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//-----------------------------------------------------------------------------
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void SetVConfigRegistrySetting( const char *pName, const char *pValue, bool bNotify )
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{
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HKEY hregkey;
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// Changed to HKEY_CURRENT_USER from HKEY_LOCAL_MACHINE
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// Open the key
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if ( RegCreateKeyEx(
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HKEY_CURRENT_USER, // base key
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VPROJECT_REG_KEY, // subkey
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0, // reserved
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0, // lpClass
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0, // options
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(REGSAM)KEY_ALL_ACCESS, // access desired
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NULL, // security attributes
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&hregkey, // result
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NULL // tells if it created the key or not (which we don't care)
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) != ERROR_SUCCESS )
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{
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return;
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}
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// Set the value to the string passed in
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int nType = strchr( pValue, '%' ) ? REG_EXPAND_SZ : REG_SZ;
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RegSetValueEx( hregkey, pName, 0, nType, (const unsigned char *)pValue, (int) strlen(pValue) );
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// Notify other programs
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if ( bNotify )
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{
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NotifyVConfigRegistrySettingChanged();
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}
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// Close the key
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RegCloseKey( hregkey );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Removes the obsolete user keyvalue
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// Input : *pName - name of the subKey to set
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// *pValue - string value
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//-----------------------------------------------------------------------------
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bool RemoveObsoleteVConfigRegistrySetting( const char *pValueName, char *pOldValue, int size )
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{
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// Open the key
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HKEY hregkey;
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if ( RegOpenKeyEx( HKEY_CURRENT_USER, "Environment", 0, (REGSAM)KEY_ALL_ACCESS, &hregkey ) != ERROR_SUCCESS )
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return false;
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// Return the old state if they've requested it
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if ( pOldValue != NULL )
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{
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DWORD dwSize = size;
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// Get the value
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if ( RegQueryValueEx( hregkey, pValueName, NULL, NULL,(LPBYTE) pOldValue, &dwSize ) != ERROR_SUCCESS )
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return false;
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}
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// Remove the value
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if ( RegDeleteValue( hregkey, pValueName ) != ERROR_SUCCESS )
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return false;
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// Close the key
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RegCloseKey( hregkey );
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// Notify other programs
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NotifyVConfigRegistrySettingChanged();
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return true;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Take a user-defined environment variable and swap it out for the internally used one
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//-----------------------------------------------------------------------------
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bool ConvertObsoleteVConfigRegistrySetting( const char *pValueName )
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{
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char szValue[MAX_PATH];
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if ( RemoveObsoleteVConfigRegistrySetting( pValueName, szValue, sizeof( szValue ) ) )
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{
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// Set it up the correct way
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SetVConfigRegistrySetting( pValueName, szValue );
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return true;
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}
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return false;
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}
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#endif
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