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175 lines
3.0 KiB
175 lines
3.0 KiB
/*++
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Copyright (c) 1993 Microsoft Corporation
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Module Name:
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bkprof.c
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Abstract:
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Profile routines for online books program
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Author:
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Ted Miller (tedm) 5-Jan-1995
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Revision History:
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--*/
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#include "books.h"
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//
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// Registry key where profile values are stored.
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//
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PWSTR BooksProfileKeyName = L"Software\\Microsoft\\Windows NT\\CurrentVersion\\Online Books";
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//
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// Name of profile value that stores the last known location
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// of the online books helpfile. This value varies depending
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// on the product (workstation/server) and is set in FixupNames().
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//
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PWSTR BooksProfileLocation;
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PWSTR
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MyGetProfileValue(
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IN PWSTR ValueName,
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IN PWSTR DefaultValue
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)
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/*++
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Routine Description:
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Retreive a profile value as a unicode string.
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Arguments:
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ValueName - supplies the name of the value to be retreived.
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DefaultValue - supplies the default value, which is used if
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the given value cannot be retreived for any reason.
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Return Value:
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Pointer to the profile value. The caller can free this
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buffer with MyFree when done with it. Note that this
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routine always returns a valid pointer.
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--*/
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{
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LONG l;
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DWORD Disposition;
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WCHAR Value[128];
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HKEY hKey;
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DWORD DataType;
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DWORD DataSize;
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//
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// Create the key if it does not exist.
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//
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l = RegCreateKeyEx(
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HKEY_LOCAL_MACHINE,
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BooksProfileKeyName,
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0,
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NULL,
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REG_OPTION_NON_VOLATILE,
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KEY_READ,
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NULL,
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&hKey,
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&Disposition
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);
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if(l == NO_ERROR) {
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DataSize = sizeof(Value);
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l = RegQueryValueEx(
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hKey,
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ValueName,
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NULL,
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&DataType,
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(LPBYTE)Value,
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&DataSize
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);
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RegCloseKey(hKey);
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if((l != NO_ERROR) || (DataType != REG_SZ)) {
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lstrcpy(Value,DefaultValue);
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}
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} else {
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lstrcpy(Value,DefaultValue);
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}
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return DupString(Value);
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}
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BOOL
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MySetProfileValue(
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IN PWSTR ValueName,
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OUT PWSTR Value
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)
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/*++
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Routine Description:
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Save a unicode string profile value.
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Arguments:
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ValueName - supplies the name of the value to be set.
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Value - supplies the value to be set.
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Return Value:
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Boolean value indicating whether the operation succeeded.
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--*/
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{
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LONG l;
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DWORD Disposition;
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HKEY hKey;
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//
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// Create the key if it does not exist.
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//
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l = RegCreateKeyEx(
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HKEY_LOCAL_MACHINE,
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BooksProfileKeyName,
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0,
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NULL,
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REG_OPTION_NON_VOLATILE,
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KEY_WRITE,
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NULL,
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&hKey,
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&Disposition
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);
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if(l == NO_ERROR) {
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l = RegSetValueEx(
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hKey,
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ValueName,
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0,
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REG_SZ,
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(PBYTE)Value,
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(lstrlen(Value)+1)*sizeof(WCHAR)
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);
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RegCloseKey(hKey);
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}
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return(l == NO_ERROR);
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}
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