Leaked source code of windows server 2003
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225 lines
6.1 KiB

#include <windows.h>
#ifdef CHICAGO_PRODUCT
#include <regstr.h>
#endif
#include "mplayer.h"
#ifdef CHICAGO_PRODUCT
TCHAR szRegPath[] = TEXT(REGSTR_PATH_WINDOWSAPPLETS "\\Media Player");
#else
TCHAR szRegPath[] = TEXT("Software\\Microsoft\\Media Player");
#endif
/* WriteRegistryData
*
* Writes a bunch of information to the registry
*
* Parameters:
*
* pEntryNode - The node under szRegPath which should be created
* or opened for this data. If this is NULL, the value is
* written directly under szRegPath.
*
* pEntryName - The name of the value under pEntryNode to be set.
*
* Type - Type of data to read (e.g. REG_SZ).
*
* pData - Pointer to the value data to be written. If this is NULL,
* the value under pEntryNode is deleted.
*
* Size - Size, in bytes, of the buffer pointed to by pData.
*
*
* This routine is fairly generic, apart from the name of the top-level node.
*
* The data are stored in the following registry tree:
*
* HKEY_CURRENT_USER
* ³
* ÀÄ Software
* ³
* ÀÄ Microsoft
* ³
* ÀÄ Windows NT
* ³
* ÀÄ CurrentVersion
* ³
* ÀÄ Media Player
* ³
* ÃÄ AVIVideo
* ³
* ÃÄ DisplayPosition
* ³
* ÀÄ SysIni
*
*
* Return:
*
* Registry status return (NO_ERROR is good)
*
*
* Andrew Bell (andrewbe) wrote it, 10 September 1992
*
*/
DWORD WriteRegistryData( LPTSTR pEntryNode,
LPTSTR pEntryName,
DWORD Type,
LPBYTE pData,
DWORD Size )
{
DWORD Status;
HKEY hkeyRegPath;
HKEY hkeyEntryNode;
/* Open or create the top-level node. For Media Player this is:
* "Software\\Microsoft\\Windows NT\\CurrentVersion\\Media Player"
*/
Status = RegCreateKeyEx( HKEY_CURRENT_USER, szRegPath, 0,
NULL, 0, KEY_WRITE, NULL, &hkeyRegPath, NULL );
if( Status == NO_ERROR )
{
/* Open or create the sub-node.
*/
if( pEntryNode )
Status = RegCreateKeyEx( hkeyRegPath, pEntryNode, 0,
NULL, 0, KEY_WRITE, NULL, &hkeyEntryNode, NULL );
else
hkeyEntryNode = hkeyRegPath;
if( Status == NO_ERROR )
{
if( pData )
{
Status = RegSetValueEx( hkeyEntryNode,
pEntryName,
0,
Type,
pData,
Size );
if( Status != NO_ERROR )
{
DPF1( "RegSetValueEx (%"DTS") failed: Error = %d\n", pEntryName, Status );
}
}
else
{
Status = RegDeleteValue( hkeyEntryNode, pEntryName );
if( Status != NO_ERROR )
{
DPF1( "RegDeleteValue (%"DTS") failed: Error = %d\n", pEntryName, Status );
}
}
if( pEntryNode )
RegCloseKey( hkeyEntryNode );
}
else
{
DPF1( "RegCreateKeyEx (%"DTS") failed: Error = %d\n", pEntryNode, Status );
}
RegCloseKey( hkeyRegPath );
}
else
{
DPF1( "RegCreateKeyEx (%"DTS") failed: Error = %d\n", szRegPath, Status );
}
return Status;
}
/* ReadRegistryData
*
* Reads information from the registry
*
* Parameters:
*
* pEntryNode - The node under Media Player which should be opened
* for this data. If this is NULL, the value is
* written directly under szRegPath.
*
* pEntryName - The name of the value under pEntryNode to be retrieved.
*
* pType - Pointer to a buffer to receive type of data read. May be NULL.
*
* pData - Pointer to a buffer to receive the value data.
*
* Size - Size, in bytes, of the buffer pointed to by pData.
*
* Return:
*
* Registry status return (NO_ERROR is good)
*
*
* Andrew Bell (andrewbe) wrote it, 10 September 1992
*
*/
DWORD ReadRegistryData( LPTSTR pEntryNode,
LPTSTR pEntryName,
PDWORD pType,
LPBYTE pData,
DWORD DataSize )
{
DWORD Status;
HKEY hkeyRegPath;
HKEY hkeyEntryNode;
DWORD Size;
/* Open the top-level node. For Media Player this is:
* "Software\\Microsoft\\Windows NT\\CurrentVersion\\Media Player"
*/
Status = RegOpenKeyEx( HKEY_CURRENT_USER, szRegPath, 0,
KEY_READ, &hkeyRegPath );
if( Status == NO_ERROR )
{
/* Open the sub-node:
*/
if( pEntryNode )
Status = RegOpenKeyEx( hkeyRegPath, pEntryNode, 0,
KEY_READ, &hkeyEntryNode );
else
hkeyEntryNode = hkeyRegPath;
if( Status == NO_ERROR )
{
Size = DataSize;
/* Read the entry from the registry:
*/
Status = RegQueryValueEx( hkeyEntryNode,
pEntryName,
0,
pType,
pData,
&Size );
if( pEntryNode )
RegCloseKey( hkeyEntryNode );
}
else
{
DPF1( "RegOpenKeyEx (%"DTS") failed: Error = %d\n", pEntryNode, Status );
}
RegCloseKey( hkeyRegPath );
}
else
{
DPF1( "RegOpenKeyEx (%"DTS") failed: Error = %d\n", szRegPath, Status );
}
return Status;
}