822 lines
18 KiB
C++
822 lines
18 KiB
C++
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/*++
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Copyright (c) 1991-1999, Microsoft Corporation All rights reserved.
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Module Name:
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diamond.c
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Abstract:
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Implement File Decompression Interface -FDI- for Cabinet files.
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Revision History:
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04-20-1999 SamerA Created.
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--*/
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#include "muisetup.h"
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#include <io.h>
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#include <fcntl.h>
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#include <dos.h>
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#include <sys/stat.h>
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//
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// Module Global Variables
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//
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//
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// Cabinet DLL handle
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HINSTANCE hCabinetDll;
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HFDI ghfdi; // diamond FDI context
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//
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// DLL Function pointers
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//
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typedef HFDI (DIAMONDAPI *PFNFDICREATE)(
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PFNALLOC pfnalloc,
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PFNFREE pfnfree,
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PFNOPEN pfnopen,
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PFNREAD pfnread,
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PFNWRITE pfnwrite,
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PFNCLOSE pfnclose,
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PFNSEEK pfnseek,
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int cpuType,
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PERF perf);
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typedef BOOL (DIAMONDAPI *PFNFDIISCABINET)(
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HFDI hfdi,
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INT_PTR hf,
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PFDICABINETINFO pfdici);
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typedef BOOL (DIAMONDAPI *PFNFDICOPY)(
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HFDI hfdi,
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char *pszCabinet,
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char *pszCabPath,
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int flags,
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PFNFDINOTIFY pfnfdin,
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PFNFDIDECRYPT pfnfdid,
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void *pvUser);
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typedef BOOL (DIAMONDAPI *PFNFDIDESTROY)(
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HFDI hfdi);
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PFNFDICREATE pfnFDICreate;
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PFNFDICOPY pfnFDICopy;
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PFNFDIISCABINET pfnFDIIsCabinet;
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PFNFDIDESTROY pfnFDIDestroy;
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//-------------------------------------------------------------------------//
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// FDI EXTERNAL ROUTINES //
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//-------------------------------------------------------------------------//
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////////////////////////////////////////////////////////////////////////////
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//
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// FDICreate
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//
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// Tries to create an FDI context. Will load cabinet.dll and hook necessary
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// function pointers.
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//
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// 04-20-99 SamerA Created.
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////////////////////////////////////////////////////////////////////////////
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HFDI DIAMONDAPI FDICreate(
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PFNALLOC pfnalloc,
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PFNFREE pfnfree,
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PFNOPEN pfnopen,
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PFNREAD pfnread,
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PFNWRITE pfnwrite,
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PFNCLOSE pfnclose,
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PFNSEEK pfnseek,
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int cpuType,
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PERF perf)
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{
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HFDI hfdi;
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//
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// Load cabinet DLL
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//
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hCabinetDll = LoadLibrary(TEXT("CABINET.DLL"));
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if (hCabinetDll == NULL)
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{
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return NULL;
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}
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//
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// Hook function pointers
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//
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pfnFDICreate = (PFNFDICREATE) GetProcAddress(hCabinetDll, "FDICreate");
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pfnFDICopy = (PFNFDICOPY) GetProcAddress(hCabinetDll, "FDICopy");
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pfnFDIIsCabinet = (PFNFDIISCABINET) GetProcAddress(hCabinetDll, "FDIIsCabinet");
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pfnFDIDestroy = (PFNFDIDESTROY) GetProcAddress(hCabinetDll, "FDIDestroy");
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if ((pfnFDICreate == NULL) ||
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(pfnFDICopy == NULL) ||
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(pfnFDIIsCabinet == NULL) ||
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(pfnFDIDestroy == NULL))
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{
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FreeLibrary( hCabinetDll );
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return NULL;
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}
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//
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// Try to create an FDI context
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//
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hfdi = pfnFDICreate( pfnalloc,
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pfnfree,
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pfnopen,
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pfnread,
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pfnwrite,
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pfnclose,
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pfnseek,
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cpuType,
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perf);
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if (hfdi == NULL)
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{
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FreeLibrary(hCabinetDll);
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}
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return hfdi;
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}
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////////////////////////////////////////////////////////////////////////////
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//
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// FDIIsCabinet
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//
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// Determines if file is a cabinet, returns info if it is
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//
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// 04-20-99 SamerA Created.
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////////////////////////////////////////////////////////////////////////////
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BOOL DIAMONDAPI FDIIsCabinet(
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HFDI hfdi,
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INT_PTR hf,
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PFDICABINETINFO pfdici)
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{
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if (pfnFDIIsCabinet == NULL)
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{
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return FALSE;
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}
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return (pfnFDIIsCabinet(hfdi,hf,pfdici));
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}
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////////////////////////////////////////////////////////////////////////////
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//
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// FDICopy
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//
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// Extracts files from a cabinet
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//
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// 04-20-99 SamerA Created.
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////////////////////////////////////////////////////////////////////////////
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BOOL DIAMONDAPI FDICopy(
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HFDI hfdi,
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char *pszCabinet,
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char *pszCabPath,
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int flags,
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PFNFDINOTIFY pfnfdin,
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PFNFDIDECRYPT pfnfdid,
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void *pvUser)
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{
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if (pfnFDICopy == NULL)
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{
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return FALSE;
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}
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return (pfnFDICopy(hfdi,pszCabinet,pszCabPath,flags,pfnfdin,pfnfdid,pvUser));
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}
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////////////////////////////////////////////////////////////////////////////
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//
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// FDIDestroy
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//
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// Destroy an FDI context. Should be called when you're done with the HFDI.
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//
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// 04-20-99 SamerA Created.
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////////////////////////////////////////////////////////////////////////////
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BOOL DIAMONDAPI FDIDestroy(
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HFDI hfdi)
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{
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BOOL bRet;
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if (pfnFDIDestroy == NULL)
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{
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return FALSE;
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}
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bRet = pfnFDIDestroy( hfdi );
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if (bRet == TRUE)
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{
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FreeLibrary(hCabinetDll);
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}
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return bRet;
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}
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//-------------------------------------------------------------------------//
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// FDI SUPPORT ROUTINES //
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//-------------------------------------------------------------------------//
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PVOID
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DIAMONDAPI
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DiamondMemAlloc(
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IN ULONG NumberOfBytes
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)
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{
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return ((PVOID)LocalAlloc(LMEM_FIXED, NumberOfBytes));
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}
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VOID
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DIAMONDAPI
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DiamondMemFree(
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IN PVOID Block
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)
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{
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LocalFree( (HLOCAL)Block );
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}
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INT_PTR
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DIAMONDAPI
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DiamondFileOpen(
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IN PSTR FileName,
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IN int oflag,
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IN int pmode
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)
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{
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HFILE h;
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int OpenMode;
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if (oflag & _O_WRONLY)
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{
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OpenMode = OF_WRITE;
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} else
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{
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if (oflag & _O_RDWR)
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{
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OpenMode = OF_READWRITE;
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} else
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{
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OpenMode = OF_READ;
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}
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}
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h = _lopen(FileName, OpenMode | OF_SHARE_DENY_WRITE);
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if (h == HFILE_ERROR)
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{
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return -1;
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}
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return ((INT_PTR) h);
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}
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UINT
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DIAMONDAPI
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DiamondFileRead(
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IN INT_PTR Handle,
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OUT PVOID pv,
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IN UINT ByteCount
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)
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{
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UINT rc;
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rc = _lread((HFILE)Handle, pv, ByteCount);
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if (rc == HFILE_ERROR)
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{
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rc = (UINT)(-1);
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}
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return rc;
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}
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UINT
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DIAMONDAPI
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DiamondFileWrite(
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IN INT_PTR Handle,
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IN PVOID pv,
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IN UINT ByteCount
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)
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{
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UINT rc;
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rc = _lwrite((HFILE)Handle, (LPCSTR)pv, ByteCount);
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return rc;
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}
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int
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DIAMONDAPI
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DiamondFileClose(
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IN INT_PTR Handle
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)
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{
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_lclose( (HFILE)Handle );
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return 0;
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}
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LONG
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DIAMONDAPI
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DiamondFileSeek(
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IN INT_PTR Handle,
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IN long Distance,
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IN int SeekType
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)
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{
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LONG rc;
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rc = _llseek((HFILE)Handle, Distance, SeekType);
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if (rc == HFILE_ERROR)
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{
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rc = -1L;
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}
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return rc;
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}
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INT_PTR
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DIAMONDAPI
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DiamondNotifyFunction(
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IN FDINOTIFICATIONTYPE Operation,
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IN PFDINOTIFICATION Parameters
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)
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{
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switch (Operation)
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{
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case fdintCABINET_INFO: // general information about the cabinet
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return 0;
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break;
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case fdintPARTIAL_FILE: // first file in cabinet is continuation
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return 0;
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break;
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case fdintCOPY_FILE: // file to be copied
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{
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HFILE handle;
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char destination[256];
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PDIAMOND_PACKET pDiamond = (PDIAMOND_PACKET) Parameters->pv;
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//
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// Check to see if we just want the original file name
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//
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if (pDiamond->flags & DIAMOND_GET_DEST_FILE_NAME)
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{
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strcpy( pDiamond->szDestFilePath,
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Parameters->psz1 );
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return 0;
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}
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sprintf( destination,
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"%s%s",
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pDiamond->szDestFilePath,
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Parameters->psz1
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);
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handle = _lcreat(destination, 0);
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if (handle == HFILE_ERROR)
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{
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return -1;
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}
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return handle;
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}
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break;
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case fdintCLOSE_FILE_INFO: // close the file, set relevant info
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{
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HANDLE handle;
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DWORD attrs;
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char destination[256];
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PDIAMOND_PACKET pDiamond = (PDIAMOND_PACKET) Parameters->pv;
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if (pDiamond->flags & DIAMOND_GET_DEST_FILE_NAME)
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{
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return 0;
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}
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sprintf( destination,
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"%s%s",
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pDiamond->szDestFilePath,
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Parameters->psz1
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);
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_lclose( (HFILE)Parameters->hf );
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|
|
||
|
//
|
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// Set date/time
|
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//
|
||
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// Need Win32 type handle for to set date/time
|
||
|
//
|
||
|
handle = CreateFileA( destination,
|
||
|
GENERIC_READ | GENERIC_WRITE,
|
||
|
FILE_SHARE_READ,
|
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|
NULL,
|
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|
OPEN_EXISTING,
|
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FILE_ATTRIBUTE_NORMAL,
|
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NULL
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);
|
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|
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if (handle != INVALID_HANDLE_VALUE)
|
||
|
{
|
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FILETIME datetime;
|
||
|
|
||
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if (TRUE == DosDateTimeToFileTime( Parameters->date,
|
||
|
Parameters->time,
|
||
|
&datetime))
|
||
|
{
|
||
|
FILETIME local_filetime;
|
||
|
|
||
|
if (TRUE == LocalFileTimeToFileTime( &datetime,
|
||
|
&local_filetime))
|
||
|
{
|
||
|
SetFileTime( handle,
|
||
|
&local_filetime,
|
||
|
NULL,
|
||
|
&local_filetime
|
||
|
);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
CloseHandle(handle);
|
||
|
}
|
||
|
|
||
|
//
|
||
|
// Mask out attribute bits other than readonly,
|
||
|
// hidden, system, and archive, since the other
|
||
|
// attribute bits are reserved for use by
|
||
|
// the cabinet format.
|
||
|
//
|
||
|
attrs = Parameters->attribs;
|
||
|
|
||
|
attrs &= (_A_RDONLY | _A_HIDDEN | _A_SYSTEM | _A_ARCH);
|
||
|
|
||
|
SetFileAttributesA( destination,
|
||
|
attrs
|
||
|
);
|
||
|
|
||
|
return TRUE;
|
||
|
}
|
||
|
break;
|
||
|
|
||
|
case fdintNEXT_CABINET: // file continued to next cabinet
|
||
|
return 0;
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
//-------------------------------------------------------------------------//
|
||
|
// MUISETUP-SUPPORT ROUTINES //
|
||
|
//-------------------------------------------------------------------------//
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////////
|
||
|
//
|
||
|
// Muisetup_InitDiamond
|
||
|
//
|
||
|
// Initialize diamond DLL.
|
||
|
//
|
||
|
// 04-23-99 SamerA Created.
|
||
|
////////////////////////////////////////////////////////////////////////////
|
||
|
|
||
|
HFDI Muisetup_InitDiamond()
|
||
|
{
|
||
|
ERF erf;
|
||
|
|
||
|
if (!ghfdi)
|
||
|
{
|
||
|
ghfdi = FDICreate( DiamondMemAlloc,
|
||
|
DiamondMemFree,
|
||
|
DiamondFileOpen,
|
||
|
DiamondFileRead,
|
||
|
DiamondFileWrite,
|
||
|
DiamondFileClose,
|
||
|
DiamondFileSeek,
|
||
|
cpuUNKNOWN,
|
||
|
&erf );
|
||
|
}
|
||
|
|
||
|
return ghfdi;
|
||
|
}
|
||
|
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////////
|
||
|
//
|
||
|
// Muisetup_FreeDiamond
|
||
|
//
|
||
|
// Free diamond dll. Should be called at application shutdown.
|
||
|
//
|
||
|
// 04-23-99 SamerA Created.
|
||
|
////////////////////////////////////////////////////////////////////////////
|
||
|
|
||
|
BOOL Muisetup_FreeDiamond()
|
||
|
{
|
||
|
BOOL bRet = TRUE;
|
||
|
|
||
|
if (ghfdi)
|
||
|
{
|
||
|
bRet = FDIDestroy(ghfdi);
|
||
|
}
|
||
|
|
||
|
return bRet;
|
||
|
}
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////////
|
||
|
//
|
||
|
// Muisetup_DiamondReset
|
||
|
//
|
||
|
// Should be called at the start of processing a file to copy.
|
||
|
//
|
||
|
// 04-23-99 SamerA Created.
|
||
|
////////////////////////////////////////////////////////////////////////////
|
||
|
|
||
|
void Muisetup_DiamondReset(
|
||
|
PDIAMOND_PACKET pDiamond)
|
||
|
{
|
||
|
pDiamond->flags = DIAMOND_NONE;
|
||
|
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////////
|
||
|
//
|
||
|
// Muisetup_IsDiamondFile
|
||
|
//
|
||
|
// Determines if a file is a diamond file, and if so, returns its original
|
||
|
// name.
|
||
|
//
|
||
|
// 04-23-99 SamerA Created.
|
||
|
////////////////////////////////////////////////////////////////////////////
|
||
|
|
||
|
BOOL Muisetup_IsDiamondFile(
|
||
|
PWSTR pwszFileName,
|
||
|
PWSTR pwszOriginalName,
|
||
|
INT nSize,
|
||
|
PDIAMOND_PACKET pDiamond)
|
||
|
{
|
||
|
INT_PTR hf;
|
||
|
BOOL bRet;
|
||
|
int nCount;
|
||
|
char *p;
|
||
|
FDICABINETINFO fdici;
|
||
|
HFDI hfdi = ghfdi;
|
||
|
|
||
|
|
||
|
if (!hfdi)
|
||
|
{
|
||
|
#if SAMER_DBG
|
||
|
OutputDebugStringA("Muisetup_IsDiamondFile : No HFDI context\n");
|
||
|
#endif
|
||
|
return FALSE;
|
||
|
}
|
||
|
|
||
|
//
|
||
|
// Init the diamond packet
|
||
|
//
|
||
|
pDiamond->flags = DIAMOND_NONE;
|
||
|
|
||
|
if ((nCount = WideCharToMultiByte( CP_ACP,
|
||
|
0,
|
||
|
pwszFileName,
|
||
|
-1,
|
||
|
pDiamond->szSrcFilePath,
|
||
|
sizeof( pDiamond->szSrcFilePath ),
|
||
|
NULL,
|
||
|
NULL )) == 0)
|
||
|
{
|
||
|
#if SAMER_DBG
|
||
|
OutputDebugStringA("Muisetup_IsDiamondFile : WideCharToMultiByte failed\n");
|
||
|
#endif
|
||
|
return FALSE;
|
||
|
}
|
||
|
pDiamond->szSrcFilePath[ nCount ] = '\0';
|
||
|
|
||
|
hf = DiamondFileOpen( pDiamond->szSrcFilePath,
|
||
|
_O_BINARY | _O_RDONLY | _O_SEQUENTIAL,
|
||
|
0
|
||
|
);
|
||
|
|
||
|
if (hf == -1)
|
||
|
{
|
||
|
#if SAMER_DBG
|
||
|
OutputDebugStringA("Muisetup_IsDiamondFile : file_open failed\n");
|
||
|
#endif
|
||
|
return FALSE;
|
||
|
}
|
||
|
|
||
|
bRet = FDIIsCabinet( hfdi,
|
||
|
hf,
|
||
|
&fdici
|
||
|
);
|
||
|
|
||
|
DiamondFileClose( hf );
|
||
|
|
||
|
//
|
||
|
// If succeeded, then let's setup everything else
|
||
|
// to get the correct original file name
|
||
|
//
|
||
|
if (bRet)
|
||
|
{
|
||
|
pDiamond->flags |= DIAMOND_GET_DEST_FILE_NAME;
|
||
|
|
||
|
p = strrchr(pDiamond->szSrcFilePath, '\\');
|
||
|
|
||
|
if (p == NULL)
|
||
|
{
|
||
|
strcpy(pDiamond->szSrcFileName, pDiamond->szSrcFilePath);
|
||
|
strcpy(pDiamond->szSrcFilePath, "");
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
strcpy(pDiamond->szSrcFileName, p+1);
|
||
|
p[ 1 ] = '\0';
|
||
|
}
|
||
|
|
||
|
|
||
|
strcpy( pDiamond->szDestFilePath,
|
||
|
"c:\\samer\\" );
|
||
|
|
||
|
if (Muisetup_CopyDiamondFile( pDiamond,
|
||
|
NULL))
|
||
|
{
|
||
|
//
|
||
|
// Convert the original file name back to Unicode
|
||
|
//
|
||
|
nCount = MultiByteToWideChar( CP_ACP,
|
||
|
0,
|
||
|
pDiamond->szDestFilePath,
|
||
|
-1,
|
||
|
pwszOriginalName,
|
||
|
nSize
|
||
|
);
|
||
|
|
||
|
if (!nCount)
|
||
|
{
|
||
|
return FALSE;
|
||
|
}
|
||
|
|
||
|
pwszOriginalName[ nCount ] = UNICODE_NULL;
|
||
|
pDiamond->flags = DIAMOND_FILE;
|
||
|
|
||
|
#if SAMER_DBG
|
||
|
{
|
||
|
BYTE byBuf[200];
|
||
|
|
||
|
wsprintfA(byBuf, "SrcFile = %s%s, OriginalFileName=%s\n",
|
||
|
pDiamond->szSrcFilePath,
|
||
|
pDiamond->szSrcFileName,
|
||
|
pDiamond->szDestFilePath);
|
||
|
OutputDebugStringA(byBuf);
|
||
|
}
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
pDiamond->flags &= ~DIAMOND_GET_DEST_FILE_NAME;
|
||
|
}
|
||
|
|
||
|
return bRet;
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
////////////////////////////////////////////////////////////////////////////
|
||
|
//
|
||
|
// Muisetup_CopyDiamondFile
|
||
|
//
|
||
|
// Copies and expands a diamond file.
|
||
|
//
|
||
|
// 04-23-99 SamerA Created.
|
||
|
////////////////////////////////////////////////////////////////////////////
|
||
|
|
||
|
BOOL Muisetup_CopyDiamondFile(
|
||
|
PDIAMOND_PACKET pDiamond,
|
||
|
PWSTR pwszCopyTo)
|
||
|
{
|
||
|
char szDestPath[ MAX_PATH + 1];
|
||
|
char *p;
|
||
|
int nCount;
|
||
|
BOOL bRet;
|
||
|
HFDI hfdi = ghfdi;
|
||
|
|
||
|
|
||
|
//
|
||
|
// Validate that this is a diamond file
|
||
|
//
|
||
|
if ((!hfdi) ||
|
||
|
(pDiamond->flags == DIAMOND_NONE))
|
||
|
{
|
||
|
return FALSE;
|
||
|
}
|
||
|
|
||
|
//
|
||
|
// Validate flags
|
||
|
//
|
||
|
if (!(pDiamond->flags & (DIAMOND_FILE | DIAMOND_GET_DEST_FILE_NAME)))
|
||
|
{
|
||
|
return FALSE;
|
||
|
}
|
||
|
|
||
|
#if SAMER_DBG
|
||
|
{
|
||
|
BYTE byBuf[100];
|
||
|
wsprintfA(byBuf, "DiamondCopy called for %s, flags = %lx\n", pDiamond->szSrcFileName, pDiamond->flags);
|
||
|
OutputDebugStringA(byBuf);
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
if (!(pDiamond->flags & DIAMOND_GET_DEST_FILE_NAME))
|
||
|
{
|
||
|
if ((nCount = WideCharToMultiByte( CP_ACP,
|
||
|
0,
|
||
|
pwszCopyTo,
|
||
|
-1,
|
||
|
szDestPath,
|
||
|
sizeof( szDestPath ),
|
||
|
NULL,
|
||
|
NULL )) == 0)
|
||
|
{
|
||
|
return FALSE;
|
||
|
}
|
||
|
szDestPath[ nCount ] = '\0';
|
||
|
|
||
|
|
||
|
p = strrchr(szDestPath, '\\');
|
||
|
if (p)
|
||
|
{
|
||
|
p[1] = '\0';
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
szDestPath[ nCount ] = '\\';
|
||
|
szDestPath[ nCount + 1 ] = '\0';
|
||
|
}
|
||
|
|
||
|
strcpy( pDiamond->szDestFilePath,
|
||
|
szDestPath );
|
||
|
}
|
||
|
|
||
|
|
||
|
bRet = FDICopy( hfdi,
|
||
|
pDiamond->szSrcFileName,
|
||
|
pDiamond->szSrcFilePath,
|
||
|
0,
|
||
|
DiamondNotifyFunction,
|
||
|
NULL,
|
||
|
pDiamond);
|
||
|
|
||
|
#if SAMER_DBG
|
||
|
{
|
||
|
BYTE byBuf[200];
|
||
|
|
||
|
wsprintfA(byBuf, "SrcFile = %s%s, DestPath=%s, Status=%lx\n",
|
||
|
pDiamond->szSrcFilePath,
|
||
|
pDiamond->szSrcFileName,
|
||
|
pDiamond->szDestFilePath,
|
||
|
bRet);
|
||
|
OutputDebugStringA(byBuf);
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
return bRet;
|
||
|
}
|
||
|
|