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80 lines
2.1 KiB
80 lines
2.1 KiB
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1992.
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//
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// File: StgVarB.cxx
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//
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// Contents: C++ Base wrapper for PROPVARIANT.
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//
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// History: 01-Aug-94 KyleP Created
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// 31-Jul-96 MikeHill - Relaxed assert in IsUnicodeString.
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// - Allow NULL strings.
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//
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//--------------------------------------------------------------------------
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#include <pch.cxx>
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#include "debtrace.hxx"
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#include <propset.h>
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#include <propvar.h>
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// These optionally-compiled directives tell the compiler & debugger
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// where the real file, rather than the copy, is located.
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#ifdef _ORIG_FILE_LOCATION_
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#if __LINE__ != 25
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#error File heading has change size
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#else
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#line 29 "\\nt\\private\\dcomidl\\stgvarb.cxx"
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#endif
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#endif
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#if DBGPROP
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BOOLEAN
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IsUnicodeString(WCHAR const *pwszname, ULONG cb)
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{
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if (cb != 0)
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{
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for (ULONG i = 0; pwszname[i] != L'\0'; i++)
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{
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}
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// If cb isn't MAXULONG we verify that cb is at least as
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// big as the string. We can't check for equality, because
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// there are some property sets in which the length field
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// for a string may include several zero padding bytes.
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PROPASSERT(cb == MAXULONG || (i + 1) * sizeof(WCHAR) <= cb);
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}
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return(TRUE);
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}
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BOOLEAN
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IsAnsiString(CHAR const *pszname, ULONG cb)
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{
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if (cb != 0)
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{
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// If the string is NULL, then it's not not an Ansi string,
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// so we'll call it an Ansi string.
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if( NULL == pszname )
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return( TRUE );
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for (ULONG i = 0; pszname[i] != '\0'; i++)
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{
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}
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// If cb isn't MAXULONG we verify that cb is at least as
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// big as the string. We can't check for equality, because
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// there are some property sets in which the length field
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// for a string may include several zero padding bytes.
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PROPASSERT(cb == MAXULONG || i + 1 <= cb);
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}
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return(TRUE);
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}
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#endif
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#endif //ifdef WINNT
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