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681 lines
16 KiB
681 lines
16 KiB
/***************************************************************************
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**
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** File: dmnd2.c
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** Purpose: CallBack functions to be passed to the Diamond
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** FDI (File Decompression Interface) module.
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** Notes:
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**
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****************************************************************************/
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#define DMND2_C
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#include <windows.h>
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#include <stdlib.h> /* malloc */
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#include <malloc.h> /* malloc, _halloc */
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#include <stdio.h> /* _tempnam */
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#include <fcntl.h>
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#include <io.h> /* _open, _read, _write, _write, _lseek, _mktemp */
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#include <sys\stat.h> /* _S_IWRITE, _S_IREAD */
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#include "stdtypes.h"
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#include "setup.h"
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#include <fdi.h>
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typedef struct _fud /* Fdi User Data block used in FDICopy */
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{
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char * szDstDir;
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char * szSrcs;
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char * szDsts;
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char * szSrcBuf;
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char * szDstBuf;
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BOOL * rgfSrcFilesCopied;
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int cFilesCopied;
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int cSrcFiles;
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int cCabNum; /* Current cabinet number (starts at 1) */
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HWND hWnd; /* Window handle used to display dialogs */
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HFDI hfdi;
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ERF erf;
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BRC brc;
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char rgchSpillFileName[cchFullPathMax];
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int hfSpillFile;
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} FUD;
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typedef FUD * PFUD; /* Ptr to Fdi User Data block */
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#define pfudNull ((PFUD)NULL)
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#define hfdiNull ((HFDI)NULL)
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#define szSpillFilePrefix "sf"
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#define szSpillFileTemplate "sfXXXXXX"
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/* FDI Callback Routines
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*/
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FNFDINOTIFY ( FnFdiNotifyCB );
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FNALLOC ( FnFdiAllocCB );
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FNFREE ( FnFdiFreeCB );
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INT_PTR FAR DIAMONDAPI FnFdiOpenCB ( char FAR *szFile, int oflag, int pmode );
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UINT FAR DIAMONDAPI FnFdiReadCB ( INT_PTR hf, void FAR *pv, UINT cb );
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UINT FAR DIAMONDAPI FnFdiWriteCB ( INT_PTR hf, void FAR *pv, UINT cb );
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int FAR DIAMONDAPI FnFdiCloseCB ( INT_PTR hf );
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long FAR DIAMONDAPI FnFdiSeekCB ( INT_PTR hf, long dist, int seektype );
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/* Private Functions
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*/
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static int FhHandleCopyFileMsgInNotify ( PFUD pfud, char * szFName );
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static BOOL FHandleCloseFileMsgInNotify ( PFUD pfud, INT_PTR hf );
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static BOOL FHandleNextCabMsgInNotify ( PFUD pfud, char * szCabFName,
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char * szDiskLabel, char * szSrcDir, FDIERROR fdie );
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static BOOL FModifyCabinetName(char * szSrcDir, int cCabNum);
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static BOOL FEnsureCabinetFileIsPresent(HWND hWnd, char * szSrcDir,
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char * szCabinet, int cCabNum);
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static int HfOpenSpillFile ( PFDISPILLFILE pfdisf, int oflag, int pmode );
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static VOID InitFud (PFUD pfud, char * szDstDir, char * szSrcs,
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char * szDsts, char * szSrcBuf, char * szDstBuf,
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BOOL * rgfSrcFilesCopied, int cSrcFiles, HWND hWnd );
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/* KLUDGE - so pfud->brc can be found in callbacks */
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static PFUD pfudG = pfudNull;
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#ifndef DEBUG_TEST /* Turn on for create/skip file messages. */
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#define DebugMsgSz(sz1, sz2)
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#else /* DEBUG */
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static VOID DebugMsgSz ( char * szPattern, char * szArgument );
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/*
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************************************************************************/
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static VOID DebugMsgSz ( char * szPattern, char * szArgument )
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{
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char rgch[128];
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wsprintf(rgch, szPattern, szArgument);
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DebugMsg(rgch);
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}
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#endif /* DEBUG */
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/*
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** Purpose:
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** This function is passed as a callback to the FDI library.
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** Arguments:
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** fdint - type of notification
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** pfdin - data for notification
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** Returns:
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** varies with fdint
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**
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*************************************************************************/
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FNFDINOTIFY ( FnFdiNotifyCB )
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{
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switch (fdint)
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{
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default:
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DebugMsg("Unexpected message passed to FnFdiNotifyCB().");
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((PFUD)(pfdin->pv))->brc = brcGen;
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return (0);
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case fdintCABINET_INFO:
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/* do nothing */
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return (0);
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case fdintCOPY_FILE:
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return (FhHandleCopyFileMsgInNotify(pfdin->pv, pfdin->psz1));
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case fdintCLOSE_FILE_INFO:
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return (FHandleCloseFileMsgInNotify(pfdin->pv, pfdin->hf) ? TRUE
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: -1);
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case fdintPARTIAL_FILE:
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/* do nothing */
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return (0);
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case fdintNEXT_CABINET:
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return (FHandleNextCabMsgInNotify(pfdin->pv, pfdin->psz1,
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pfdin->psz2, pfdin->psz3, pfdin->fdie) ? 0 : -1);
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}
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}
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/*
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** returns:
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** 0 == skip this file
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** -1 == abort FDICopy()
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** else a legitimate DOS file handle
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*************************************************************************/
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static int FhHandleCopyFileMsgInNotify ( PFUD pfud, char * szFName )
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{
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SZ szSrcs = pfud->szSrcs;
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SZ szDsts = pfud->szDsts;
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int iFile;
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struct _stat stat;
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for (iFile = 0; *szSrcs; iFile++)
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{
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if (*szSrcs == '@' && !lstrcmpi(szSrcs+1, szFName))
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{
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int hfRet;
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lstrcpy(pfud->szDstBuf, pfud->szDstDir);
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lstrcat(pfud->szDstBuf, "\\");
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lstrcat(pfud->szDstBuf, szDsts);
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DebugMsgSz("Creating Dest File: %s", pfud->szDstBuf);
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/* If file exists, try to remove it.
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*/
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if (_stat(pfud->szDstBuf, &stat) != -1)
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{
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/* NOTE: Ignore error return values here since
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* _open should catch any errors anyway.
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*/
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if (!(stat.st_mode & _S_IWRITE))
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_chmod(pfud->szDstBuf, _S_IREAD | _S_IWRITE);
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_unlink(pfudG->szDstBuf);
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}
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hfRet = _open(pfud->szDstBuf,
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_O_BINARY | _O_CREAT | _O_RDWR | _O_TRUNC,
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_S_IREAD | _S_IWRITE);
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if (hfRet == -1)
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pfud->brc = brcMemDS;
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if (iFile < pfud->cSrcFiles)
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(pfud->rgfSrcFilesCopied)[iFile] = TRUE;
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// We will have copied one more file
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pfud->cFilesCopied++;
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return (hfRet);
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}
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szSrcs += lstrlen(szSrcs) + 1;
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szDsts += lstrlen(szDsts) + 1;
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}
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DebugMsgSz("Skipping a cabinet file: %s", szFName);
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return (0);
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}
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/*
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*************************************************************************/
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static BOOL FHandleCloseFileMsgInNotify ( PFUD pfud, INT_PTR hf )
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{
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if (FnFdiCloseCB(hf) != -1)
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{
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_chmod(pfud->szDstBuf, S_IREAD);
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return (TRUE);
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}
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return (FALSE);
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}
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/*
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*************************************************************************/
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static BOOL FHandleNextCabMsgInNotify ( PFUD pfud, char * szCabFName,
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char * szDiskLabel, char * szSrcDir, FDIERROR fdie )
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{
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Unused(szDiskLabel);
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/* Check if diamond is calling us again because the cabinet
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* we specified was bad.
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*/
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if (fdie == FDIERROR_WRONG_CABINET)
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{
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DebugMsg("Cabinet files are out of sequence or corrupted.");
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return FALSE;
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}
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lstrcpy(pfud->szSrcBuf, szSrcDir);
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lstrcat(pfud->szSrcBuf, szCabFName);
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if (!FEnsureCabinetFileIsPresent(pfud->hWnd, szSrcDir, szCabFName,
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pfud->cCabNum+1))
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{
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pfud->brc = brcFile;
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return FALSE;
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}
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return TRUE;
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}
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/*
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*************************************************************************/
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static int CFilesInSrcsInitRgf ( char * szSrcs, BOOL * rgfSrcFilesCopied )
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{
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int iFile, cFiles;
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for (iFile = 0; iFile < 128; iFile++)
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rgfSrcFilesCopied[iFile] = TRUE;
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cFiles = 0;
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while (*szSrcs)
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{
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if (*szSrcs == '@')
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rgfSrcFilesCopied[cFiles] = FALSE;
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cFiles++;
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szSrcs += lstrlen(szSrcs) + 1;
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}
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if (cFiles > 128)
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{
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DebugMsg("More than 128 source files in .LST file "
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"- will not check that all exist.");
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cFiles = 128;
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}
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return (cFiles);
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}
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/*
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** Purpose:
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** Copies all cabinet files in the specified copy list, ignoring
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** any non-cabinet files in the list.
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** Arguments:
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** szCabinet: cabinet filename (oem).
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** szSrcDir: src path with trailing backslash (ANSI).
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** szDstDir: dst path with trailing backslash (oem).
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** szSrcs: NULL separated list of src filenames (oem).
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** szDsts: NULL separated list of dst filenames (oem).
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** szSrcBuf: buffer to hold src path for error msgs.
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** szDstBuf: buffer to hold dst path for error msgs.
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** Returns:
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** brcOkay if completed without error, brcXX otherwise.
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**
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*************************************************************************/
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extern BRC BrcHandleCabinetFiles ( HWND hWnd, char * szCabinet,
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int cFirstCabinetNum, int cLastCabinetNum, char *szSrcDir,
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char * szDstDir, char * szSrcs, char * szDsts,
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char * szSrcBuf, char * szDstBuf )
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{
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FUD fud;
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BRC brcRet = brcOkay;
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BOOL rgfSrcFilesCopied[128];
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int cSrcFiles = CFilesInSrcsInitRgf(szSrcs, rgfSrcFilesCopied);
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int cpuType = cpuUNKNOWN;
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InitFud(&fud, szDstDir, szSrcs, szDsts, szSrcBuf, szDstBuf,
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rgfSrcFilesCopied, cSrcFiles, hWnd);
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pfudG = &fud;
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#if 0
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/* NOTE: Get CPU type ourselves, since FDI's CPU detection may
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* not work correctly for 16-bit Windows applications.
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*/
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cpuType = (GetWinFlags() & WF_CPU286) ? cpu80286 : cpu80386;
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#endif
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if ((fud.hfdi = FDICreate(FnFdiAllocCB, FnFdiFreeCB, FnFdiOpenCB,
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FnFdiReadCB, FnFdiWriteCB, FnFdiCloseCB,
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FnFdiSeekCB, cpuType,
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&(fud.erf) )) == hfdiNull)
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{
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return (brcMem);
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}
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/*
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* Process cabinets as long as we have more files to copy.
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* i is the current cabinet number (starting at 1).
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*/
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for (fud.cCabNum=cFirstCabinetNum;
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fud.cFilesCopied < fud.cSrcFiles && fud.cCabNum<=cLastCabinetNum;
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fud.cCabNum++)
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{
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/* Modify the cabinet name depending on the current cabinet number */
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if (!FModifyCabinetName(szCabinet, fud.cCabNum))
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{
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brcRet = brcFile;
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break;
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}
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lstrcpy(szSrcBuf, szSrcDir);
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lstrcat(szSrcBuf, szCabinet);
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if (!FEnsureCabinetFileIsPresent(fud.hWnd, szSrcDir, szCabinet,
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fud.cCabNum))
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{
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brcRet = brcFile;
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break;
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}
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if (!FDICopy(fud.hfdi, szCabinet, szSrcDir, 0, FnFdiNotifyCB, NULL,
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&fud))
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{
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brcRet = (fud.brc == brcOkay) ? brcGen : fud.brc;
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break;
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}
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}
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if (brcRet == brcOkay)
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{
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int iFile;
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/* Check if we got all the files we want */
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for (iFile = 0; iFile < cSrcFiles; iFile++)
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{
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if (!(rgfSrcFilesCopied[iFile]))
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{
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lstrcat(szSrcBuf, " : ");
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lstrcat(szSrcBuf, szSrcs + 1);
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brcRet = brcFile;
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}
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szSrcs += lstrlen(szSrcs) + 1;
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}
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}
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FDIDestroy(fud.hfdi);
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/* Ensure that the spill file is deleted.
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*/
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Assert(pfudG != pfudNull);
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if (pfudG->hfSpillFile != -1)
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FnFdiCloseCB(pfudG->hfSpillFile);
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return (brcRet);
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}
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/*
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*************************************************************************/
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static VOID InitFud (PFUD pfud, char * szDstDir, char * szSrcs,
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char * szDsts, char * szSrcBuf, char * szDstBuf,
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BOOL * rgfSrcFilesCopied, int cSrcFiles, HWND hWnd )
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{
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pfud->erf.fError = fFalse;
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pfud->szDstDir = szDstDir;
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pfud->szSrcs = szSrcs;
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pfud->szDsts = szDsts;
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pfud->szSrcBuf = szSrcBuf;
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pfud->szDstBuf = szDstBuf;
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pfud->rgfSrcFilesCopied = rgfSrcFilesCopied;
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pfud->cSrcFiles = cSrcFiles;
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pfud->cFilesCopied = 0;
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pfud->hWnd = hWnd;
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pfud->brc = brcOkay;
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*(pfud->rgchSpillFileName) = chEos;
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pfud->hfSpillFile = -1;
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}
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static BOOL FModifyCabinetName(char * szSrcDir, int cCabNum)
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{
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char *pch = szSrcDir + lstrlen(szSrcDir);
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if (cCabNum < 1 || cCabNum > 9)
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return FALSE;
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/* Leave the name unchabged for the first cabinet */
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if (cCabNum == 1)
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return TRUE;
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/* Look for the dot, starting backward */
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for (; *pch != '.'; pch--)
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{
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/* Error if we can't find a dot before we find a slash */
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if (pch<=szSrcDir+1 || *pch == '\\')
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return FALSE;
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}
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/* Point to the character before the dot */
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pch--;
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/* Replace the last character before the dot by the cabinet number */
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*pch = (char)(cCabNum + '0');
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return TRUE;
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}
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static BOOL FEnsureCabinetFileIsPresent(HWND hWnd, char * szSrcDir,
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char * szCabinet, int cCabNum)
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{
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char rgchFileName[cchFullPathMax], rgchCabNum[32];
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OFSTRUCT ofs;
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HFILE hFile;
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BOOL fFirst = TRUE;
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Unused(hWnd);
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lstrcpy(rgchFileName, szSrcDir);
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lstrcat(rgchFileName, szCabinet);
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for (;;)
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{
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hFile = OpenFile(rgchFileName, &ofs, OF_EXIST);
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if (hFile != HFILE_ERROR)
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break;
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_itoa(cCabNum, rgchCabNum, 10);
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if (fFirst)
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{
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if (DispErrBrc(brcInsDisk, FALSE, MB_ICONEXCLAMATION|MB_OKCANCEL,
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rgchCabNum, NULL, NULL) != IDOK)
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{
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return FALSE;
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}
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fFirst = FALSE;
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}
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else
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{
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if (DispErrBrc(brcInsDisk2, FALSE, MB_ICONEXCLAMATION|MB_OKCANCEL,
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rgchFileName, rgchCabNum, NULL) != IDOK)
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{
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return FALSE;
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}
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}
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}
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return TRUE;
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}
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/*
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** Purpose:
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** Memory allocator for FDI.
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** Arguments:
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** cb - size of block to allocate
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** Returns:
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** Non-NULL pointer to block of size at least cb,
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** or NULL for failure.
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**
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*************************************************************************/
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FNALLOC ( FnFdiAllocCB )
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{
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#ifdef _WIN32
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void HUGE * pvRet = malloc(cb);
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#else
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void HUGE * pvRet = _halloc(cb,1);
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#endif
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if (pvRet == NULL && pfudG->brc == brcOkay)
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pfudG->brc = brcMem;
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return (pvRet);
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}
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/*
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** Purpose:
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** Memory free function for FDI.
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** Arguments:
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** pv - memory allocated by FnFdiAllocCB to be freed
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** Returns:
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** None.
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**
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*************************************************************************/
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FNFREE ( FnFdiFreeCB )
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{
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#ifdef _WIN32
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free(pv);
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#else
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_hfree(pv);
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#endif
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}
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/*
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*************************************************************************/
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INT_PTR FAR DIAMONDAPI FnFdiOpenCB ( char FAR *szFile, int oflag, int pmode )
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{
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INT_PTR hfRet;
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if (*szFile == '*')
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return (HfOpenSpillFile((PFDISPILLFILE)szFile, oflag, pmode));
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|
|
hfRet = _open(szFile, oflag, pmode);
|
|
|
|
if (hfRet == -1 && pfudG->brc == brcOkay)
|
|
pfudG->brc = brcFile;
|
|
|
|
return (hfRet);
|
|
}
|
|
|
|
|
|
/*
|
|
*************************************************************************/
|
|
static int HfOpenSpillFile ( PFDISPILLFILE pfdisf, int oflag, int pmode )
|
|
{
|
|
SZ szTmp;
|
|
CHAR rgchSize[20];
|
|
BOOL fTryAgain = fTrue;
|
|
|
|
Assert(pfdisf != (PFDISPILLFILE)NULL);
|
|
Assert(*(pfdisf->ach) == '*');
|
|
Assert(pfudG != pfudNull);
|
|
Assert(pfudG->hfSpillFile == -1); /* Only one at a time */
|
|
Assert(*(pfudG->rgchSpillFileName) == chEos);
|
|
|
|
if ((szTmp = _tempnam("", szSpillFilePrefix)) == szNull)
|
|
{
|
|
DebugMsg("Unable to get spill file name.");
|
|
goto LNoSpillFile;
|
|
}
|
|
Assert(lstrlen(szTmp) < sizeof(pfudG->rgchSpillFileName));
|
|
lstrcpy(pfudG->rgchSpillFileName, szTmp);
|
|
free(szTmp);
|
|
|
|
LOpenSpillFile:
|
|
oflag = _O_CREAT | _O_BINARY | _O_RDWR; /* Force open mode */
|
|
if ((pfudG->hfSpillFile = _open(pfudG->rgchSpillFileName, oflag, pmode))
|
|
== -1)
|
|
{
|
|
DebugMsg("Unable to open spill file.");
|
|
goto LNoSpillFile;
|
|
}
|
|
|
|
if (pfdisf->cbFile > 0)
|
|
{
|
|
/* Size file by writing one byte at size - 1.
|
|
*/
|
|
if (FnFdiSeekCB(pfudG->hfSpillFile, pfdisf->cbFile - 1, SEEK_SET) == -1
|
|
|| FnFdiWriteCB(pfudG->hfSpillFile, "b", 1) != 1)
|
|
{
|
|
DebugMsg("Unable to set spill file size.");
|
|
goto LNoSpillFile;
|
|
}
|
|
}
|
|
|
|
return (pfudG->hfSpillFile);
|
|
|
|
LNoSpillFile:
|
|
if (pfudG->hfSpillFile != -1)
|
|
FnFdiCloseCB(pfudG->hfSpillFile);
|
|
|
|
if (fTryAgain)
|
|
{
|
|
/* Try again with bootstrap temp dir.
|
|
*
|
|
* (REVIEW: We could do another search here, checking for size.)
|
|
*/
|
|
fTryAgain = fFalse;
|
|
Assert(lstrlen(pfudG->szDstBuf) + lstrlen(szSpillFileTemplate) <
|
|
sizeof(pfudG->rgchSpillFileName));
|
|
lstrcpy(pfudG->rgchSpillFileName, pfudG->szDstDir);
|
|
lstrcat(pfudG->rgchSpillFileName, szDirSep);
|
|
lstrcat(pfudG->rgchSpillFileName, szSpillFileTemplate);
|
|
if (_mktemp(pfudG->rgchSpillFileName) != NULL)
|
|
goto LOpenSpillFile;
|
|
}
|
|
|
|
_ltoa((pfdisf->cbFile + 1023) / 1024, rgchSize, 10);
|
|
DispErrBrc(brcNoSpill, fTrue, MB_OK | MB_ICONSTOP, rgchSize, szNull, szNull);
|
|
|
|
*(pfudG->rgchSpillFileName) = chEos;
|
|
pfudG->brc = brcNoSpill;
|
|
|
|
return (-1);
|
|
}
|
|
|
|
|
|
/*
|
|
*************************************************************************/
|
|
UINT FAR DIAMONDAPI FnFdiReadCB ( INT_PTR hf, void FAR *pv, UINT cb )
|
|
{
|
|
UINT cbRet = _read((int)hf, pv, cb);
|
|
|
|
if (cbRet != cb && pfudG->brc == brcOkay)
|
|
pfudG->brc = brcMemDS;
|
|
|
|
return (cbRet);
|
|
}
|
|
|
|
|
|
/*
|
|
*************************************************************************/
|
|
UINT FAR DIAMONDAPI FnFdiWriteCB ( INT_PTR hf, void FAR *pv, UINT cb )
|
|
{
|
|
UINT cbRet = _write((int)hf, pv, cb);
|
|
|
|
FYield();
|
|
|
|
if (cbRet != cb && pfudG->brc == brcOkay)
|
|
pfudG->brc = brcDS;
|
|
|
|
return (cbRet);
|
|
}
|
|
|
|
|
|
/*
|
|
*************************************************************************/
|
|
int FAR DIAMONDAPI FnFdiCloseCB ( INT_PTR hf )
|
|
{
|
|
int iRet = _close((int)hf);
|
|
|
|
if (iRet == -1 && pfudG->brc == brcOkay)
|
|
pfudG->brc = brcDS;
|
|
|
|
/* If we're closing the spill file, delete it.
|
|
*/
|
|
if (hf == pfudG->hfSpillFile)
|
|
{
|
|
_unlink(pfudG->rgchSpillFileName); /* Delete spill file */
|
|
*(pfudG->rgchSpillFileName) = chEos; /* Empty path */
|
|
pfudG->hfSpillFile = -1; /* Mark as closed */
|
|
}
|
|
|
|
return (iRet);
|
|
}
|
|
|
|
|
|
/*
|
|
*************************************************************************/
|
|
long FAR DIAMONDAPI FnFdiSeekCB ( INT_PTR hf, long dist, int seektype )
|
|
{
|
|
long lRet = _lseek((int)hf, dist, seektype);
|
|
|
|
if (lRet == -1L && pfudG->brc == brcOkay)
|
|
{
|
|
DebugMsg("Seek Operation failed in Cabinet");
|
|
pfudG->brc = brcGen;
|
|
}
|
|
|
|
return (lRet);
|
|
}
|