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108 lines
2.2 KiB
108 lines
2.2 KiB
/*++
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Copyright (c) 1990 Microsoft Corporation
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Module Name:
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wtoa.c
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Abstract:
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This module provides all the public exported APIs relating to Printer
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and Job management for the Local Print Providor
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Author:
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Krishna Ganugapati (KrishnaG) 20-May-1993
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Revision History:
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20-May-1993 - Source file generated from ..\client\winspla.c. The routines in
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this module are:
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AnsiToUnicodeString
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AllocateUnicodeString
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FreeUnicodeString
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16-Sept-1993 - Cleaned up wtoa.c. Removed redundant code in this module which was
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causing problems with the #ifdef DBCS.
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--*/
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#include <stdio.h>
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#include <windows.h>
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#include <string.h>
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#include <rpc.h>
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#include "winspl.h"
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#include <drivinit.h>
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#include <offsets.h>
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#define NULL_TERMINATED 0
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/* AnsiToUnicodeString
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*
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* Parameters:
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*
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* pAnsi - A valid source ANSI string.
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*
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* pUnicode - A pointer to a buffer large enough to accommodate
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* the converted string.
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*
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* StringLength - The length of the source ANSI string.
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* If 0 (NULL_TERMINATED), the string is assumed to be
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* null-terminated.
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*
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* Return:
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*
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* The return value from MultiByteToWideChar, the number of
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* wide characters returned.
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*
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*
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* andrewbe, 11 Jan 1993
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*/
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INT AnsiToUnicodeString( LPSTR pAnsi, LPWSTR pUnicode, DWORD StringLength )
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{
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if( StringLength == NULL_TERMINATED )
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StringLength = strlen( pAnsi );
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return MultiByteToWideChar( CP_ACP,
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MB_PRECOMPOSED,
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pAnsi,
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StringLength + 1,
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pUnicode,
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StringLength + 1 );
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}
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LPWSTR
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AllocateUnicodeString(
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LPSTR pPrinterName
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)
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{
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LPWSTR pUnicodeString;
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if (!pPrinterName)
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return NULL;
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pUnicodeString = LocalAlloc(LPTR, strlen(pPrinterName)*sizeof(WCHAR) +
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sizeof(WCHAR));
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if (pUnicodeString)
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AnsiToUnicodeString(pPrinterName, pUnicodeString, NULL_TERMINATED);
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return pUnicodeString;
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}
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LPWSTR
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FreeUnicodeString(
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LPWSTR pUnicodeString
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)
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{
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if (!pUnicodeString)
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return NULL;
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return LocalFree(pUnicodeString);
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}
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