328 lines
4.3 KiB
C
328 lines
4.3 KiB
C
/*++
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Copyright (c) 1990-1999 Microsoft Corporation
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Module Name:
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widechar.c
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Abstract:
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This module contains all NLS unicode / ansi translation code
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Author:
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18-Nov-1993 Thu 08:21:37 created -by- DC
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[Environment:]
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GDI Device Driver - Plotter.
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[Notes:]
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Revision History:
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--*/
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#include "precomp.h"
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#pragma hdrstop
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LPWSTR
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str2Wstr(
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LPWSTR pwStr,
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LPSTR pbStr
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)
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/*++
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Routine Description:
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This function copy a ansi string to the equvlent of unicode string which
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also include the NULL teiminator
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Arguments:
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pwStr - Point to the unicode string location, it must have the size of
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(strlen(pstr) + 1) * sizeof(WCHAR)
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pbStr - a null teiminated string
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Return Value:
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pwcs
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Author:
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18-Nov-1993 Thu 08:36:00 created -by- DC
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Revision History:
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--*/
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{
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UINT cb;
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cb = (UINT)(strlen(pbStr) + 1);
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AnsiToUniCode(pbStr, pwStr, cb);
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return(pwStr);
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}
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LPWSTR
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str2MemWstr(
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LPSTR pbStr
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)
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/*++
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Routine Description:
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This function copy a ansi string to the equvlent of unicode string which
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also include the NULL teiminator, it will allocate just enough memory
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to copy for the unicode from the passed or using LocalAlloc()
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Arguments:
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pbStr - a null teiminated string
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Return Value:
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LPWSTR if sucessful and NULL if failed
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Author:
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18-Nov-1993 Thu 08:36:00 created -by- DC
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Revision History:
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--*/
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{
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UINT cb;
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LPWSTR pwStr;
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cb = (UINT)(strlen(pbStr) + 1);
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if (pwStr = (LPWSTR)LocalAlloc(LMEM_FIXED, cb * sizeof(WCHAR))) {
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AnsiToUniCode(pbStr, pwStr, cb);
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}
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return(pwStr);
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}
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LPWSTR
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Wstr2Mem(
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LPWSTR pwStr
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)
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/*++
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Routine Description:
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This function allocated enough memory to store the pwStr.
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Arguments:
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pwStr - Point to the unicode string location.
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Return Value:
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LPWSTR if sucessful allocated the memory else NULL
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Author:
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18-Nov-1993 Thu 08:51:14 created -by- DC
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Revision History:
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--*/
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{
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UINT cb;
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LPWSTR pwStrMem;
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cb = (UINT)((wcslen(pwStr) + 1) * sizeof(WCHAR));
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if (pwStrMem = (LPWSTR)LocalAlloc(LMEM_FIXED, cb)) {
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CopyMemory(pwStrMem, pwStr, cb);
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}
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return(pwStrMem);
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}
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LPSTR
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WStr2Str(
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LPSTR pbStr,
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LPWSTR pwStr
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)
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/*++
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Routine Description:
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This function convert a UNICODE string to the ANSI string, assume that
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pbStr has same character count memory as pwStr
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Arguments:
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pbStr - Point to the ANSI string which has size of wcslen(pwStr) + 1
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pwStr - Point to the UNICODE string
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Return Value:
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pbStr
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Author:
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06-Dec-1993 Mon 13:06:12 created -by- DC
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Revision History:
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--*/
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{
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UINT cch;
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cch = (UINT)wcslen(pwStr) + 1;
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UniCodeToAnsi(pbStr, pwStr, cch);
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return(pbStr);
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}
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LPSTR
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Wstr2Memstr(
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LPWSTR pwStr
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)
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/*++
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Routine Description:
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This function copy a UNICODE string to the equvlent of ANSI string which
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also include the NULL teiminator, it will allocate just enough memory
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to copy for the unicode from the passed or using LocalAlloc()
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Arguments:
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pwStr - a null teiminated unicode string
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Return Value:
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LPWSTR if sucessful and NULL if failed
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Author:
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18-Nov-1993 Thu 08:36:00 created -by- DC
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Revision History:
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--*/
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{
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UINT cch;
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LPSTR pbStr;
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cch = (UINT)(wcslen(pwStr) + 1);
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if (pbStr = (LPSTR)LocalAlloc(LMEM_FIXED, cch)) {
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UniCodeToAnsi(pbStr, pwStr, cch);
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}
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return(pbStr);
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}
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LPSTR
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str2Mem(
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LPSTR pbStr
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)
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/*++
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Routine Description:
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This function allocated enough memory to store the pwStr.
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Arguments:
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pbStr - Point to the ANSI string location.
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Return Value:
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LPWSTR if sucessful allocated the memory else NULL
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Author:
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18-Nov-1993 Thu 08:51:14 created -by- DC
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Revision History:
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--*/
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{
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UINT cb;
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LPSTR pbStrMem;
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cb = (UINT)(strlen(pbStr) + 1);
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if (pbStrMem = (LPSTR)LocalAlloc(LMEM_FIXED, cb)) {
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CopyMemory(pbStrMem, pbStr, cb);
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}
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return(pbStrMem);
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}
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