Source code of Windows XP (NT5)
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142 lines
2.6 KiB

/*++
Copyright (c) 1997 Microsoft Corporation
Module Name:
savecfg.c
Abstract:
This source file implements code to save the Win9x environment to
a settings file. It writes a copy of all screen saver settings on
a per-user basis.
Author:
Jim Schmidt (jimschm) 11-Apr-1997
Revision History:
--*/
#include "pch.h"
BOOL
SaveDatFileKeyAndVal (
IN LPCSTR Key,
IN LPCSTR Val
)
{
//
// This function is a wrapper to simplify writing to our settings file
//
return WritePrivateProfileString (g_User, Key, Val, g_SettingsFile);
}
BOOL
CopyRegValueToDatFile (
IN HKEY RegKey,
IN LPCSTR ValueName
)
{
LPCSTR DataPtr;
DWORD rc;
//
// Obtain registry value data and copy it to our settings file
//
DataPtr = GetRegValueString (RegKey, ValueName);
if (DataPtr) {
return SaveDatFileKeyAndVal (ValueName, DataPtr);
}
// If not found or wrong data type, don't sweat it
rc = GetLastError();
return rc == ERROR_FILE_NOT_FOUND || rc == ERROR_SUCCESS;
}
#define WIN9X_MAX_SECTION 32768
BOOL
SaveControlIniSection (
IN LPCSTR ControlIniSection,
IN LPCSTR ScreenSaverName
)
{
LPSTR Buffer;
LPSTR p;
CHAR NewKey[MAX_PATH];
BOOL b = TRUE;
CHAR DataBuf[MAX_PATH];
//
// This function copies an entire section in control.ini to our
// settings file. It may not be necessary because control.ini will
// still be around, but this guarantees if someone modifies
// control.ini later, our migration will not break.
//
//
// Allocate a generous buffer to hold all key names
//
Buffer = HeapAlloc (g_hHeap, 0, WIN9X_MAX_SECTION);
if (!Buffer) {
return FALSE;
}
//
// Retrieve the key names
//
GetPrivateProfileString (
ControlIniSection,
NULL,
S_EMPTY,
Buffer,
WIN9X_MAX_SECTION,
S_CONTROL_INI
);
//
// For each key name, copy it to our settings file
//
p = Buffer;
while (*p) {
if (CreateScreenSaverParamKey (ScreenSaverName, p, NewKey)) {
GetPrivateProfileString (
ControlIniSection,
p,
S_EMPTY,
DataBuf,
MAX_PATH,
S_CONTROL_INI
);
if (!SaveDatFileKeyAndVal (NewKey, DataBuf)) {
b = FALSE;
break;
}
}
p = _mbschr (p, 0);
p++;
}
//
// Cleanup
//
HeapFree (g_hHeap, 0, Buffer);
return b;
}