94 lines
2.1 KiB
C
94 lines
2.1 KiB
C
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/*==========================================================================
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*
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* Copyright (C) 1996-1997 Microsoft Corporation. All Rights Reserved.
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*
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* File: dputils.c
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* Content: common support routines
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* History:
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* Date By Reason
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* ==== == ======
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* 3/17/97 kipo created it
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***************************************************************************/
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#include <windows.h>
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#include "dpf.h"
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#include "dputils.h"
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/*
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** WideToAnsi
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*
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* CALLED BY: everywhere
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*
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* PARAMETERS: lpStr - destination string
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* lpWStr - string to convert
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* cchStr - size of dest buffer
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*
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* DESCRIPTION:
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* converts unicode lpWStr to ansi lpStr.
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* fills in unconvertable chars w/ DPLAY_DEFAULT_CHAR "-"
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*
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*
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* RETURNS: if cchStr is 0, returns the size required to hold the string
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* otherwise, returns the number of chars converted
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*
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*/
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int WideToAnsi(LPSTR lpStr,LPWSTR lpWStr,int cchStr)
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{
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int rval;
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BOOL bDefault;
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if (!lpWStr && cchStr)
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{
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// can't call us w/ null pointer & non-zero cch
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DDASSERT(FALSE);
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return 0;
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}
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// use the default code page (CP_ACP)
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// -1 indicates WStr must be null terminated
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rval = WideCharToMultiByte(CP_ACP,0,lpWStr,-1,lpStr,cchStr,
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DPLAY_DEFAULT_CHAR,&bDefault);
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if (bDefault)
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{
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DPF(0,"!!! WARNING - used default string in WideToAnsi conversion.!!!");
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DPF(0,"!!! Possible bad unicode string - (you're not hiding ansi in there are you?) !!! ");
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}
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return rval;
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} // WideToAnsi
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/*
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** AnsiToWide
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*
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* CALLED BY: everywhere
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*
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* PARAMETERS: lpWStr - dest string
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* lpStr - string to convert
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* cchWstr - size of dest buffer
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*
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* DESCRIPTION: converts Ansi lpStr to Unicode lpWstr
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*
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*
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* RETURNS: if cchStr is 0, returns the size required to hold the string
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* otherwise, returns the number of chars converted
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*
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*/
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int AnsiToWide(LPWSTR lpWStr,LPSTR lpStr,int cchWStr)
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{
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int rval;
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if (!lpStr && cchWStr)
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{
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// can't call us w/ null pointer & non-zero cch
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DDASSERT(FALSE);
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return 0;
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}
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rval = MultiByteToWideChar(CP_ACP,0,lpStr,-1,lpWStr,cchWStr);
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return rval;
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} // AnsiToWide
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