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windows-nt/Source/XPSP1/NT/enduser/stuff/itircl/common/fm.c
CryptoAlgo Inc b3cac27891 Add source files
2020-09-26 16:20:57 +08:00

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/*****************************************************************************
* *
* FM.c *
* *
* Copyright (C) Microsoft Corporation 1990 - 1994. *
* All Rights reserved. *
* *
******************************************************************************
* *
* Module Intent *
* *
* Routines for manipulating FMs (File Monikers, equivalent to file names). *
* WINDOWS LAYER
* *
******************************************************************************
* *
* Current Owner: davej *
* *
*****************************************************************************/
/*****************************************************************************
*
* Revision History:
* -- Mar 92 adapted from WinHelps FM.C
* 26-Jun-1992 RussPJ #293 - Now using OpenFile(OF_EXIST) instead of
* access().
* 29-Jun-1992 RussPJ #723 - Using OF_SHARE_DENY_NONE for OpenFile() call.
* 18/10/94 a-kevct Fixed FmNewTemp to use "higher temperature" filenames
* so that problems with calling it twice in rapid succession
* are avoided.
* 7/28/95 FM changed to just an LPSTR !!! - davej
* 3/05/97 erinfox Change errors to HRESULTS
*
*****************************************************************************/
#include <mvopsys.h>
#include <stdlib.h> /* for _MAX_ constants & min and max macros*/
#include <dos.h> /* for FP_OFF macros and file attribute constants */
#include <io.h> /* for tell() and eof() */
#include <direct.h> /* for getcwd */
#include <string.h>
#include <misc.h>
#include <iterror.h>
#include <wrapstor.h>
#include <orkin.h>
#ifndef _NT
#include <errno.h>
#endif
#include <_mvutil.h>
static char s_aszModule[] = __FILE__; /* For error report */
/*****************************************************************************
* *
* Defines *
* *
*****************************************************************************/
#define cbPathName _MAX_PATH
#define cbMessage 50
/*****************************************************************************
* *
* Variables *
* *
*****************************************************************************/
void InitRandomPrefix(char *sz, int cb);
PRIVATE BOOL PASCAL NEAR fIsTrailByte(SZ psz,SZ pch);
// InitRandomPrefix
//
// Given a buffer at least cb + 1 chars long,
// fills sz[0] through sz[ch-1] with random alphabetic chars
// and null terminates at sz[cb].
//
//
#ifdef _IT_FULL_CRT
void InitRandomPrefix(char *sz, int cb)
{
while (--cb >= 0)
*sz++ = 'A' + rand() % 26;
*sz = '\0';
}
#endif
/***************************************************************************
*
- Name: SnoopPath()
-
* Purpose:
* Looks through a string for the various components of a file name and
* returns the offsets into the string where each part starts.
*
* Arguments:
* sz - string to snoop
* *iDrive - offset for the drive specification if present
* *iDir - offset for the directory path if present
* *iBase - offset to the filename if present
* *iExt - offset to the extension (including dot) if present
*
* Returns:
* sets the index parameters for each respective part. the index is set
* to point to the end of the string if the part is not present (thus
* making it point to a null string).
*
*
* +++
*
* Notes:
*
***************************************************************************/
void FAR PASCAL SnoopPath (LPSTR sz, int far * iDrive, int far *iDir,
int far *iBase, int far *iExt)
{
short i = 0;
short cb = (short) STRLEN(sz);
BOOL fDir = FALSE;
*iDrive = *iExt = cb;
*iDir = *iBase = 0;
while (*(sz + i))
{
switch (*(sz + i))
{
case ':':
*iDrive = 0;
*iDir = i + 1;
*iBase = i + 1;
break;
case '/':
case '\\':
// make sure we are not looking at a trail byte
if(fIsTrailByte(sz,sz+i))
break;
fDir = TRUE;
*iBase = i + 1;
*iExt = cb;
break;
case '.':
*iExt = i;
break;
default:
break;
}
i++;
}
if (!fDir)
*iDir = i;
else if (*iBase == '.')
*iExt = cb;
}
/***************************************************************************\
*
- Function: fIsTrailByte(psz, pch)
-
* Purpose: Determine if pch is the trail byte of a DBC.
*
* ASSUMES
*
* args IN: psz - the beginning of the string
* pch - the character to test
*
* Notes: This function is necessary because the Shift-JIS trail byte
* ranges include the value 0x5C (backslash) and we need to
* know the difference between a real backslash and a DBC that
* has this trail byte value.
*
\***************************************************************************/
PRIVATE BOOL PASCAL NEAR fIsTrailByte(SZ psz,SZ pch)
{
#if JRUSH
return (IsDBCSLeadByte (*(pch - 1)));
#else
SZ pchTemp = psz;
if(pch==psz || pch<psz)
return FALSE;
while(1)
{
pchTemp = CharNext(pchTemp);
if(pchTemp==pch)
return FALSE; // it's a lead byte
if(pchTemp>pch)
return TRUE; // we stepped past it - must have been a trail byte
}
#endif
}
/***************************************************************************
*
- Name: SzGetDir
-
* Purpose: returns the rooted path of a DIR
*
* Arguments: dir - DIR (must be one field only, and must be an actual dir -
* not dirPath)
* sz - buffer for storage (should be at least cchMaxPath)
*
* Returns: sz - fine
* NULL - OS Error (check rcIOError)
*
* Globals Used: rcIOError
*
* +++
*
*
***************************************************************************/
// Hey! what about dirTemp? This wasn't handled before so I'm not going
// to add it. But someday the case should be handled.
PRIVATE SZ PASCAL NEAR SzGetDir(DIR dir, SZ sz, PHRESULT phr)
{
int i=0;
QCH qch;
char LocalBuffer1[_MAX_PATH];
if (sz == NULL)
{
SetErrCode (phr, E_INVALIDARG);
return(NULL);
};
switch (dir)
{
case dirCurrent:
if (GETCWD(LocalBuffer1, cchMaxPath) == NULL)
{
SetErrCode (phr, RcGetDOSError());
sz = NULL;
}
else
{
STRCPY (sz, LocalBuffer1);
}
break;
case dirHelp:
#ifdef _WIN64
GetModuleFileName((HINSTANCE)GetWindowLongPtr(GetActiveWindow(),
GWLP_HINSTANCE),
#elif _32BIT
GetModuleFileName((HINSTANCE)GetWindowLong(GetActiveWindow(),
GWL_HINSTANCE),
#else
GetModuleFileName((HINSTANCE)GetWindowWord(GetActiveWindow(),
GWW_HINSTANCE),
#endif
sz, cchMaxPath);
qch = sz + STRLEN(sz);
while ((*qch != '\\' && !fIsTrailByte(sz,qch)) && *qch != '/')
--qch;
*qch = '\0';
break; /* dirHelp */
case dirSystem:
i = GetWindowsDirectory((LPSTR)sz, cchMaxPath);
if (i > cchMaxPath || i == 0)
{
SetErrCode (phr, E_FAIL);
sz = NULL;
}
break; /* dirSystem */
default:
SetErrCode (phr, E_INVALIDARG);
sz = NULL;
break;
}
if (sz != NULL)
{
qch = sz+STRLEN(sz);
/*------------------------------------------------------------*
| Make sure that the string ends with a slash.
*------------------------------------------------------------*/
if ((*(qch-1) != '\\' && *(qch-1) != '/') || fIsTrailByte(sz,qch-1))
{
*qch++='\\';
*qch='\0';
}
assert(qch < sz+_MAX_PATH && *qch=='\0');
}
return sz;
}
/***************************************************************************
*
- Name: FmNew
-
* Purpose: Allocate and initialize a new FM
*
* Arguments: sz - filename string
*
* Returns: FM (handle to fully canonicalized filename)
*
* Globals Used: rcIOError
*
* +++
*
* Notes:
*
***************************************************************************/
FM EXPORT_API PASCAL FAR FmNew(LPSTR sz, PHRESULT phr)
{
QAFM qafm;
FM fm = fmNil;
char LocalBuffer1[_MAX_PATH];
char LocalBuffer2[_MAX_PATH];
#ifndef _IT_FULL_CRT
LPSTR lpAddr;
#endif
STRCPY(LocalBuffer2, sz);
#ifdef _IT_FULL_CRT
if (_fullpath(LocalBuffer1, LocalBuffer2, _MAX_PATH) == NULL)
#else
if (0 == GetFullPathName(LocalBuffer2, _MAX_PATH, LocalBuffer1, &lpAddr))
#endif
{
SetErrCode (phr, E_FAIL);
return(NULL);
}
else
{
fm = (FM) NewMemory( (WORD)(lstrlen(LocalBuffer1)+1) );
//fm = (FM) _GLOBALALLOC(GMEM_ZEROINIT|GMEM_SHARE|GMEM_MOVEABLE,
// (LONG)lstrlen(LocalBuffer1)+1);
if (fm == fmNil)
{
SetErrCode (phr, E_OUTOFMEMORY);
return fm;
}
qafm = (QAFM)fm;
//qafm = (QAFM) _GLOBALLOCK(fm);
STRCPY(qafm->rgch, LocalBuffer1);
// Convert to upper case to make it less likely that two
// FMs will contain different strings yet refer to the
// same file.
AnsiUpper(qafm->rgch);
//_GLOBALUNLOCK((HANDLE)fm);
}
return fm;
}
/***************************************************************************
*
- Name: FmNewSzDir
-
* Purpose: Create an FM describing the file "sz" in the directory "dir"
* If sz is a simple filename the FM locates the file in the
* directory specified. If there is a drive or a rooted path
* in the filename the directory parameter is ignored.
* Relative paths are allowed and will reference off the dir
* parameter or the default (current) directory as appropriate.
*
* This does not create a file or expect one to exist at the
* final destination (that's what FmNewExistSzDir is for), all
* wind up with is a cookie to a fully qualified path name.
*
* Arguments: sz - filename ("File.ext"),
* or partial pathname ("Dir\File.ext"),
* or current directory ("c:File.ext"),
* or full pathname ("C:\Dir\Dir\File.ext")
* dir - dirCurrent et al.
*
* Returns: the new FM, or fmNil if error
* sz is unchanged
*
* Globals Used:
*
* +++
*
* Notes:
*
***************************************************************************/
PUBLIC FM PASCAL FAR FmNewSzDir(LPSTR sz, DIR dir, PHRESULT phr)
{
char nsz[_MAX_PATH];
int iDrive, iDir, iBase, iExt;
int cb;
if (sz == NULL || *sz == '\0')
{
SetErrCode (phr, E_INVALIDARG);
return NULL;
}
cb = (int) STRLEN(sz);
SnoopPath(sz, &iDrive, &iDir, &iBase, &iExt);
if (*(sz + iBase) == '\0') /* no name */
{
*nsz = '\0'; /* force error */
}
else if (*(sz + iDrive) || (*(sz + iDir) == '\\' &&
!fIsTrailByte(sz,sz+iDir)) || *(sz + iDir) == '/')
{
/* there's a drive or root slash so we have an implicit directory spec */
/* and we can ignore the directory parameter and use what was passed. */
STRCPY(nsz, sz);
}
else
{
/* dir & (dir-1) checks to make sure there is only one bit set which is */
/* followed by a check to make sure that it is also a permitted bit */
assert(((dir & (dir-1)) == (WORD)0)
&& (dir & (dirCurrent|dirTemp|dirHelp|dirSystem|dirPath)));
if (SzGetDir(dir, nsz, phr) == NULL)
return NULL;
SzNzCat(nsz, sz + iDir, (WORD)max(1, iBase - iDir));
SzNzCat(nsz, sz + iBase, (WORD)max(1, iExt - iBase));
STRCAT(nsz, sz + iExt);
}
/* We've got all the parameters, now make the FM */
return FmNew(nsz, phr);
}
FM PASCAL FmNewExistSzDir(LPSTR sz, DIR dir, PHRESULT phr)
{
char nsz[_MAX_PATH];
FM fm = fmNil;
OFSTRUCT of;
char szANSI[_MAX_PATH];
int iDrive, iDir, iBase, iExt;
int cb;
DIR idir, xdir;
if (sz == NULL || *sz == '\0')
{
SetErrCode (phr, E_INVALIDARG);
return NULL;
}
cb = (int) STRLEN(sz);
SnoopPath(sz, &iDrive, &iDir, &iBase, &iExt);
if (*(sz + iBase) == '\0') /* no name */
{
SetErrCode (phr, E_INVALIDARG);
return NULL;
}
if (*(sz + iDrive) || (*(sz + iDir) == '\\' && !fIsTrailByte(sz,sz+iDir)) || *(sz + iDir) == '/')
{ /* was given a drive or rooted path, so ignore dir parameter */
fm = FmNew(sz, phr);
if (!FExistFm(fm))
{
DisposeFm(fm);
SetErrCode (phr, E_NOTEXIST);
fm = fmNil;
}
return fm;
}
for (idir = dirFirst, fm = fmNil; idir <= dirLast && fm==fmNil;
idir <<= 1)
{
xdir = dir & idir;
if (xdir == dirPath)
{
/* search $PATH using the full string which will catch
the case of a relative path and also do the right thing
searching $PATH */
if (OpenFile(sz, (LPOFSTRUCT)&of,
OF_EXIST | OF_SHARE_DENY_NONE) != (HFILE)-1)
{
OemToAnsi(of.szPathName, szANSI);
fm = FmNew(szANSI, phr);
}
}
else if (xdir)
{
if (SzGetDir(xdir, nsz, phr) != NULL)
{
SzNzCat(nsz, sz + iDir, (WORD)max(1, iBase - iDir));
SzNzCat(nsz, sz + iBase, (WORD)max(1, iExt - iBase));
STRCAT(nsz, sz + iExt);
fm = FmNew(nsz, phr);
if (!FValidFm(fm))
{
SetErrCode (phr, E_FAIL);
}
else if (!FExistFm(fm))
{
DisposeFm(fm);
fm=fmNil;
}
}
}
} /* for */
if ((!FValidFm(fm)))
SetErrCode (phr, E_NOTEXIST);
return fm;
}
/***************************************************************************
*
- Name: FmNewTemp
-
*
* Purpose: Create a unique FM for a temporary file
*
* Arguments: LPSTR Filename: filename's template
*
* Returns: the new FM, or fmNil if failure
*
* Globals Used: rcIOError
*
* +++
*
* Notes:
*
***************************************************************************/
FM PASCAL FmNewTemp(LPSTR filename, PHRESULT phr)
{
char nsz[_MAX_PATH];
FM fm = fmNil;
char template[5];
int i;
if (filename == NULL || *filename == 0)
{
// WARNING: we MUST generate our own random
// prefix here since GetTempFileName does NOT
// always return a unique name when called twice
// in very rapid succession.
#ifndef _IT_FULL_CRT
/* InitRandomPrefix calls rand, which pulls in the c run-time
* startup code. Since this is never called we remove the
* functionality */
if(phr)
{
ITASSERT(FALSE);
SetErrCode(phr, E_NOTSUPPORTED);
}
return fmNil;
#else
char szPrefix[4];
InitRandomPrefix(szPrefix, 3);
GETTEMPFILENAME(0, szPrefix, 0, nsz);
#endif
}
else
{
for (i = 0; *filename && i < 5; filename++)
{
if ((*filename | 0x20) >= 'a' && (*filename | 0x20) <= 'z')
{
template[i] = *filename;
i++;
}
}
template[i] = 0;
GETTEMPFILENAME(0, template, 0, nsz);
}
fm = FmNew(nsz, phr);
if (fm && RcUnlinkFm(fm) != S_OK)
{
DisposeFm(fm);
SetErrCode (phr, E_FAIL);
return fmNil;
}
return fm;
}
/***************************************************************************
*
- Name: FmNewSameDirFmSz
-
* Purpose: Makes a new FM to a file called sz in the same directory
* as the file described by fm.
*
* Arguments: fm - original fm
* sz - new file name (including extention, if desired)
*
* Returns: new FM or fmNil and sets the rc global on failure
*
* Globals Used:
* rcIOError
*
* +++
*
* Notes:
* This will ignore the passed FM if the filename is fully qualified.
* This is in keeping consistent with the other functions above that
* ignore the directory parameter in such a case. It will fail if it
* is given a drive with anything but a rooted path.
*
***************************************************************************/
FM PASCAL FmNewSameDirFmSz(FM fm, LPSTR szName, PHRESULT phr)
{
char nszNew[_MAX_PATH];
QAFM qafm;
FM fmNew = fmNil;
int iDrive, iDir, iBase, iExt;
if (!FValidFm(fm) || szName == NULL || *szName == '\0')
{
SetErrCode (phr, E_INVALIDARG);
return fmNil;
}
qafm = (QAFM)_GLOBALLOCK((HANDLE)fm);
/* check for a drive or rooted file name and just return it if it is so */
SnoopPath(szName, &iDrive, &iDir, &iBase, &iExt);
if (*(szName + iDrive) || (*(szName + iDir) == '\\' && !fIsTrailByte(szName,szName+iDir)) || *(szName +iDir) == '/')
STRCPY(nszNew, szName);
else
{
if (*(szName + iDrive) != '\0')
{
fmNew = fmNil;
goto bail_out;
}
else
{
SnoopPath(qafm->rgch, &iDrive, &iDir, &iBase, &iExt);
STRNCPY(nszNew, qafm->rgch, iBase);
*(nszNew + iBase) = '\0';
STRCAT(nszNew, szName);
}
}
fmNew = FmNew((SZ)nszNew, phr);
bail_out:
_GLOBALUNLOCK((HANDLE)fm);
return fmNew;
}
/***************************************************************************
*
- DisposeFm
-
* Purpose
* You must call this routine to free the memory used by an FM, which
* was created by one of the FmNew* routines
*
* Arguments
* fm - original FM
*
* Returns
* nothing
*
* Globals Used:
*
* +++
*
* Notes:
*
***************************************************************************/
VOID PASCAL DisposeFm (FM fm)
{
if (FValidFm(fm))
DisposeMemory(fm);
//_GLOBALFREE ((HANDLE)fm);
}
/***************************************************************************
*
- Name: FmCopyFm
-
* Purpose: return an FM to the same file as the passed one
*
* Arguments: fm
*
* Returns: FM - for now, it's a real copy. Later, we may implement caching
* and counts.
* If fmNil, either it's an error (check WGetIOError()) or the
* original fm was nil too
*
* Globals Used: rcIOError (indirectly)
*
* +++
*
* Notes:
*
***************************************************************************/
FM PASCAL FmCopyFm(FM fmSrc, PHRESULT phr)
{
FM fmDest = fmNil;
QAFM qafmSrc, qafmDest;
if (!FValidFm(fmSrc))
{
SetErrCode (phr, E_INVALIDARG);
return fmNil;
}
qafmSrc = (QAFM)fmSrc;
//qafmSrc = (QAFM)_GLOBALLOCK((HANDLE)fmSrc);
fmDest = (FM) NewMemory((WORD)(lstrlen(qafmSrc->rgch) + 1));
//fmDest = (FM) _GLOBALALLOC(GMEM_ZEROINIT|GMEM_SHARE|GMEM_MOVEABLE,
// (size_t)lstrlen(qafmSrc->rgch) + 1);
if (fmDest == fmNil)
{
SetErrCode(phr, E_OUTOFMEMORY);
//_GLOBALUNLOCK((HANDLE)fmSrc);
return fmNil;
}
qafmDest = (QAFM)fmDest;
//qafmDest = (QAFM)_GLOBALLOCK((HANDLE)fmDest);
STRCPY(qafmDest->rgch, qafmSrc->rgch);
//_GLOBALUNLOCK((HANDLE)fmSrc);
//_GLOBALUNLOCK((HANDLE)fmDest);
return fmDest;
}
/***************************************************************************
*
- Name: FExistFm
-
* Purpose: Does the file exist?
*
* Arguments: FM
*
* Returns: TRUE if it does
* FALSE if it doesn't, or if there's an error
* (call _ to find out what error it was)
*
* Globals Used: rcIOError
*
* +++
*
* Notes:
*
***************************************************************************/
BOOL PASCAL FExistFm(FM fm)
{
QAFM qafm;
BOOL fExist;
OFSTRUCT ofs;
HRESULT rc;
char LocalBuffer1[_MAX_PATH];
HRESULT errb;
if (!FValidFm(fm))
{
SetErrCode(&errb, E_INVALIDARG);
return FALSE;
}
qafm = (QAFM)fm;
//qafm = _GLOBALLOCK((HANDLE)fm);
STRCPY(LocalBuffer1, qafm->rgch); /* bring the filename into near space */
//_GLOBALUNLOCK((HANDLE)fm);
// try in both modes!
fExist = (OpenFile(LocalBuffer1, &ofs,
OF_EXIST | OF_SHARE_DENY_NONE) != (HFILE)-1)
|| (OpenFile(LocalBuffer1, &ofs, OF_EXIST) != (HFILE)-1);
rc = S_OK;
if (!fExist)
{
#ifdef _NT
if( GetLastError() != ERROR_FILE_NOT_FOUND )
#else
if( errno != ENOENT )
#endif // _NT
rc = RcGetDOSError();
}
SetErrCode(&errb, rc);
return fExist;
}
/***************************************************************************
*
- CbPartsFm
-
* Purpose:
* Before calling szPartsFm, call this routine to find out how much
* space to allocate for the string.
*
* Arguments:
* FM - the File Moniker you'll be extracting the string from
* INT iPart - the parts of the full pathname you want
*
* Returns:
* The length in bytes, INCLUDING the terminating null, of the string
* specified by iPart of the filename of FM, or -1 if error
*
* Globals Used:
*
* +++
*
* Notes:
*
***************************************************************************/
int PASCAL FAR EXPORT_API CbPartsFm(FM fm, int grfPart)
{
char rgch[_MAX_PATH];
if (!FValidFm(fm))
return -1;
(void)SzPartsFm(fm, rgch, _MAX_PATH, grfPart);
return ((int) STRLEN(rgch) + 1); /* add space for the null */
}
/***************************************************************************
*
- SzPartsFm
-
* Purpose:
* Extract a string from an FM
*
* Arguments:
* FM - the File Moniker you'll be extracting the string from
* SZ szDest - destination string
* INT cbDest - bytes allocated for the string
* INT iPart - the parts of the full pathname you want
*
* Returns:
* szDest, or NULL if error (?)
*
* Globals Used:
*
* +++
*
* Notes:
*
***************************************************************************/
LPSTR PASCAL SzPartsFm(FM fm, LPSTR szDest, int cbDest,
int iPart)
{
QAFM qafm;
int iDrive, iDir, iBase, iExt;
int cb;
HRESULT errb;
if (!FValidFm(fm) || szDest == NULL || cbDest < 1)
{
SetErrCode (&errb, E_INVALIDARG);
return NULL;
}
qafm = (QAFM) fm;
//qafm = (QAFM) _GLOBALLOCK(fm);
/* special case so we don't waste effort */
if (iPart == partAll)
{
STRNCPY(szDest, qafm->rgch, cbDest);
*(szDest + cbDest - 1) = '\0';
//_GLOBALUNLOCK((HANDLE)fm);
return szDest;
}
SnoopPath(qafm->rgch, &iDrive, &iDir, &iBase, &iExt);
*szDest = '\0';
if (iPart & partDrive)
{
cb = max(0, iDir - iDrive);
SzNzCat(szDest, qafm->rgch + iDrive, (WORD)(min(cb + 1, cbDest) - 1));
cbDest -= cb;
}
if (iPart & partDir)
{
cb = max(0, iBase - iDir);
SzNzCat(szDest, qafm->rgch + iDir, (WORD)(min(cb + 1, cbDest) - 1));
cbDest -= cb;
}
if (iPart & partBase)
{
cb = max(0, iExt - iBase);
SzNzCat(szDest, qafm->rgch + iBase, (WORD)(min(cb + 1, cbDest) - 1));
cbDest -= cb;
}
if (iPart & partExt)
{
SzNzCat(szDest, qafm->rgch + iExt, (WORD)(cbDest - 1));
}
//_GLOBALUNLOCK((HANDLE)fm);
return szDest;
}
/***************************************************************************
*
- Name: FSameFmFm
-
* Purpose: Compare two FM's
*
* Arguments: fm1, fm2
*
* Returns: TRUE or FALSE
*
* Globals Used:
*
* +++
*
* Notes: case insensitive compare is used because strings are
* upper cased at FM creation time
*
***************************************************************************/
BOOL PASCAL FSameFmFm(FM fm1, FM fm2)
{
QAFM qafm1;
QAFM qafm2;
BOOL fSame;
if (fm1 == fm2)
return TRUE;
if (!FValidFm(fm1) || !FValidFm(fm2))
return FALSE;
qafm1 = (QAFM)fm1;
qafm2 = (QAFM)fm2;
//qafm1 = _GLOBALLOCK(fm1);
//qafm2 = _GLOBALLOCK(fm2);
fSame = STRCMP(qafm1->rgch, qafm2->rgch) == 0;
//_GLOBALUNLOCK(fm1);
//_GLOBALUNLOCK(fm2);
return fSame;
}
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