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255 lines
6.9 KiB
255 lines
6.9 KiB
/*++
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Copyright (c) 1998 Microsoft Corporation
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Module Name:
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unicode.h
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Abstract:
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Declares the interfaces for unicode/ansi conversion.
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See macros at the end of this file for details! (Search for ***)
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Author:
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Jim Schmidt (jimschm) 02-Sep-1997
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Revision History:
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jimschm 16-Mar-2000 PTSTR<->PCSTR/PCWSTR routines
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jimschm 15-Feb-1999 Eliminated AnsiFromUnicode and UnicodeFromAnsi
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calinn 07-Jul-1998 SetGlobalPage/GetGlobalPage
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mikeco 03-Nov-1997 AnsiFromUnicode/UnicodeFromAnsi
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--*/
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#pragma once
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extern WORD g_GlobalCodePage;
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#define OurGetACP() (g_GlobalCodePage)
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VOID
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SetGlobalCodePage (
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IN WORD CodePage,
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IN LCID Locale
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);
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VOID
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GetGlobalCodePage (
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OUT PWORD CodePage, OPTIONAL
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OUT PLCID Locale OPTIONAL
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);
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WORD
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SetConversionCodePage (
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IN WORD CodePage
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);
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#define INVALID_CHAR_COUNT 0xffffffff
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//
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// Explicit conversions, pool-based, unlimited size
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//
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PCSTR
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RealUnicodeToDbcsN (
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IN PMHANDLE Pool, OPTIONAL
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IN PCWSTR StrIn,
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IN DWORD Chars
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);
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PCWSTR
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RealDbcsToUnicodeN (
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IN PMHANDLE Pool, OPTIONAL
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IN PCSTR StrIn,
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IN DWORD Chars
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);
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#define UnicodeToDbcsN(p,s,c) TRACK_BEGIN(PCSTR, UnicodeToDbcsN)\
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RealUnicodeToDbcsN(p,s,c)\
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TRACK_END()
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#define DbcsToUnicodeN(p,s,c) TRACK_BEGIN(PCWSTR, DbcsToUnicodeN)\
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RealDbcsToUnicodeN(p,s,c)\
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TRACK_END()
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#define UnicodeToDbcs(pool,str) UnicodeToDbcsN(pool,str,(DWORD)wcslen(str))
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#define DbcsToUnicode(pool,str) DbcsToUnicodeN(pool,str,CharCountA(str))
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#define ConvertWtoA(unicode_str) UnicodeToDbcsN(NULL,unicode_str,(DWORD)wcslen(unicode_str))
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#define ConvertAtoW(dbcs_str) DbcsToUnicodeN(NULL,dbcs_str,CharCountA(dbcs_str))
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VOID
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FreeConvertedPoolStr (
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IN PMHANDLE Pool, OPTIONAL
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IN PVOID StrIn
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);
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#define FreeConvertedStr(str) FreeConvertedPoolStr(NULL,(PVOID)(str))
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//
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// In-place explicit conversions, caller handles buffer sizing
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//
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PSTR
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KnownSizeUnicodeToDbcsN (
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OUT PSTR StrOut,
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IN PCWSTR StrIn,
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IN DWORD CharCount
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);
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PWSTR
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KnownSizeDbcsToUnicodeN (
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OUT PWSTR StrOut,
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IN PCSTR StrIn,
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IN DWORD CharCount
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);
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#define KnownSizeUnicodeToDbcs(out,in) KnownSizeUnicodeToDbcsN(out,in,INVALID_CHAR_COUNT)
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#define KnownSizeDbcsToUnicode(out,in) KnownSizeDbcsToUnicodeN(out,in,INVALID_CHAR_COUNT)
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#define KnownSizeWtoA KnownSizeUnicodeToDbcs
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#define KnownSizeAtoW KnownSizeDbcsToUnicode
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#define MaxSizeUnicodeToDbcs(out,in,c) KnownSizeUnicodeToDbcsN(out,in,min(c,CharCountW(in)))
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#define MaxSizeDbcsToUnicode(out,in,c) KnownSizeDbcsToUnicodeN(out,in,min(c,CharCountA(in)))
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PSTR
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DirectUnicodeToDbcsN (
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OUT PSTR StrOut,
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IN PCWSTR StrIn,
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IN DWORD Bytes
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);
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PWSTR
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DirectDbcsToUnicodeN (
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OUT PWSTR StrOut,
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IN PCSTR StrIn,
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IN DWORD Bytes
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);
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#define DirectUnicodeToDbcs(out,in) DirectUnicodeToDbcsN(out,in,INVALID_CHAR_COUNT)
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#define DirectDbcsToUnicode(out,in) DirectDbcsToUnicodeN(out,in,INVALID_CHAR_COUNT)
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#define DirectWtoA DirectUnicodeToDbcs
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#define DirectAtoW DirectDbcsToUnicode
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//
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// TCHAR conversions -- do not call A & W versions directly
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//
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#define CreateDbcsW(unicode_str) ConvertWtoA(unicode_str)
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#define DestroyDbcsW(unicode_str) FreeConvertedStr(unicode_str)
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#define CreateUnicodeW(unicode_str) (unicode_str)
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#define DestroyUnicodeW(unicode_str)
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#define CreateDbcsA(dbcs_str) (dbcs_str)
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#define DestroyDbcsA(dbcs_str)
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#define CreateUnicodeA(dbcs_str) ConvertAtoW(dbcs_str)
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#define DestroyUnicodeA(dbcs_str) FreeConvertedStr(dbcs_str)
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#define DuplicateDbcsW(unicode_str) ((PSTR) ConvertWtoA(unicode_str))
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#define FreeDuplicatedDbcsW(unicode_str) FreeConvertedStr(unicode_str)
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#define DuplicateUnicodeW(unicode_str) ((PWSTR) DuplicateTextW(unicode_str))
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#define FreeDuplicatedUnicodeW(unicode_str) FreeTextW(unicode_str)
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#define DuplicateDbcsA(dbcs_str) ((PSTR) DuplicateTextA(dbcs_str))
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#define FreeDuplicatedDbcsA(dbcs_str) FreeTextA(dbcs_str)
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#define DuplicateUnicodeA(dbcs_str) ((PWSTR) ConvertAtoW(dbcs_str))
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#define FreeDuplicatedUnicodeA(dbcs_str) FreeConvertedStr(dbcs_str)
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//
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// **********************************************************************
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//
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// - Call ConvertWtoA or ConvertAtoW for PCSTR<->PCWSTR conversion,
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// FreeConvertedStr to clean up
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//
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// - Call KnownSizeAtoW or KnownSizeWtoA for PCSTR<->PCWSTR conversion
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// when you know the destination can hold the result
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//
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// - Call the routines below for TCHAR<->dbcs/unicode conversion
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//
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// **********************************************************************
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//
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#ifdef UNICODE
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//
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// If your string is a PCTSTR, use these routines:
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//
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#define CreateDbcs CreateDbcsW
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#define CreateUnicode CreateUnicodeW
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#define DestroyDbcs DestroyDbcsW
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#define DestroyUnicode DestroyUnicodeW
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//
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// If your string is a PTSTR, use these routines:
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//
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#define DuplicateDbcs DuplicateDbcsW
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#define DuplicateUnicode DuplicateUnicodeW
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#define FreeDuplicatedDbcs FreeDuplicatedDbcsW
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#define FreeDuplicatedUnicode FreeDuplicatedUnicodeW
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//
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// If your string is a PCSTR or PCWSTR, use these routines:
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//
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#define ConvertAtoT ConvertAtoW
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#define ConvertWtoT(x) (x)
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#define FreeAtoT FreeConvertedStr
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#define FreeWtoT(x)
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// Known size means you know the out buffer is big enough!
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#define KnownSizeAtoT KnownSizeAtoW
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#define KnownSizeWtoT(out,in) (in)
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// These are low-level routines that don't care about nuls:
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#define DirectAtoT DirectAtoW
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#define DirectWtoT(out,in) (in)
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#else
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//
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// If your string is a PCTSTR, use these routines:
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//
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#define CreateDbcs CreateDbcsA
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#define CreateUnicode CreateUnicodeA
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#define DestroyDbcs DestroyDbcsA
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#define DestroyUnicode DestroyUnicodeA
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//
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// If your string is a PCSTR or PCWSTR, use these routines:
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//
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#define ConvertAtoT(x) (x)
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#define ConvertWtoT ConvertWtoA
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#define FreeAtoT(x)
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#define FreeWtoT FreeConvertedStr
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//
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// If your string is a PTSTR, use these routines:
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//
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#define DuplicateDbcs DuplicateDbcsA
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#define DuplicateUnicode DuplicateUnicodeA
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#define FreeDuplicatedDbcs FreeDuplicatedDbcsA
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#define FreeDuplicatedUnicode FreeDuplicatedUnicodeA
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// Known size means you know the out buffer is big enough!
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#define KnownSizeAtoT(out,in) (in)
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#define KnownSizeWtoT KnownSizeWtoA
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// These are low-level routines that don't care about nuls:
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#define DirectAtoT(out,in) (in)
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#define DirectWtoT DirectWtoA
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#endif
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