290 lines
7.8 KiB
C
290 lines
7.8 KiB
C
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/* cmdpif.c - PIF Handling Routines For SCS
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*
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*
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* Modification History:
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*
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* Sudeepb 19-Aug-1992 Created
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* williamh 10-Nov-1992 (1). get params from w386 extention if exist
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* (2). null terminate caption
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* williamh 27-May-1993 almost rewrote for better pif support
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*/
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#include "cmd.h"
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#include <ctype.h>
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#include <pif.h>
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#include <cmdsvc.h>
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#include <softpc.h>
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#include <mvdm.h>
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#include <oemuni.h>
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#include "nt_pif.h"
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VOID cmdCheckForPIF (PVDMINFO pvi)
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{
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PCHAR pCmdLine = pvi->CmdLine;
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PCHAR pDot;
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ULONG size;
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UCHAR ch;
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DWORD dw;
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CHAR lpszEnvDir [] = "=?:";
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CHAR FullPathName[MAX_PATH + 1];
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CHAR * pFilePart;
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BOOL IsPIFFile, IsFromForceDos;
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CHAR AppFullPathName[MAX_PATH + 1];
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//
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// Advance CmdLine pointer to beg of command tail
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//
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while (*pCmdLine && !isgraph(*pCmdLine)) { // skip to first nonwhite
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pCmdLine++;
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}
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pDot = strrchr(pvi->AppName, '.');
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if (pDot)
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IsPIFFile = pDot && !_strnicmp(pDot, ".pif", 4);
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else
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IsPIFFile = FALSE;
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// if the command is not a pif file and it is not
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// running on a new console
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if (!IsPIFFile && !DosSessionId)
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goto CleanUpAndReturn;
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if (IsPIFFile) {
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if (!IsFirstVDM) {
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//
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// Get the pif data. If no pif data, or not from forcedos
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// just return -- command.com will receive the pif file
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// name and fail.
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//
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pfdata.AppHasPIFFile =
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pfdata.IgnoreStartDirInPIF =
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pfdata.IgnoreTitleInPIF =
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pfdata.IgnoreCmdLineInPIF =
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pfdata.IgnoreConfigAutoexec = 1;
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if (!GetPIFData(&pfdata, pvi->AppName))
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goto CleanUpAndReturn;
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}
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// we only run a pif file on two occasions:
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// (1). it is from a new console
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// (2). it is from forcedos.
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if (!DosSessionId && pfdata.SubSysId != SUBSYS_DOS)
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goto CleanUpAndReturn;
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}
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if (IsFirstVDM) {
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// if this is the first vdm, take cmdline, startupdir and title
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// if they are there
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if (pfdata.StartDir){
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dw = cmdExpandEnvironmentStrings(NULL,
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pfdata.StartDir,
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FullPathName,
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MAX_PATH + 1
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);
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if (dw != 0 && dw <= MAX_PATH) {
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dw = GetFullPathNameOem(FullPathName,
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MAX_PATH + 1,
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pfdata.StartDir,
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&pFilePart
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);
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}
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if (dw != 0 && dw <= MAX_PATH)
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dw = GetFileAttributesOem(pfdata.StartDir);
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else
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dw = 0;
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if (dw == 0 || dw == 0xFFFFFFFF || !(dw & FILE_ATTRIBUTE_DIRECTORY))
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{
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RcMessageBox(EG_PIF_STARTDIR_ERR,
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NULL,
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NULL,
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RMB_ICON_BANG | RMB_ABORT);
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goto CleanUpAndReturn;
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}
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dw = GetShortPathNameOem(pfdata.StartDir,
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pfdata.StartDir,
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MAX_PATH + 1
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);
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if (dw == 0 || dw > MAX_PATH || dw > 64) {
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RcMessageBox(EG_PIF_STARTDIR_ERR,
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NULL,
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NULL,
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RMB_ICON_BANG | RMB_ABORT);
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goto CleanUpAndReturn;
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}
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lpszEnvDir[1] = pfdata.StartDir[0];
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SetEnvironmentVariableOem(lpszEnvDir, pfdata.StartDir);
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SetCurrentDirectoryOem(pfdata.StartDir);
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pvi->CurDrive = toupper(pfdata.StartDir[0]) - 'A';
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}
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if (pfdata.WinTitle) {
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strcpy(FullPathName, pfdata.WinTitle);
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dw = cmdExpandEnvironmentStrings(NULL,
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FullPathName,
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pfdata.WinTitle,
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MAX_PATH + 1
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);
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pfdata.WinTitle[MAX_PATH] = '\0';
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}
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if (!*pCmdLine && pfdata.CmdLine) {
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// if the optinal parameter is '?'
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// prompt the user
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pDot = pfdata.CmdLine;
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while (*pDot && *pDot <= ' ')
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pDot++;
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if (*pDot == '?') {
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pfdata.CmdLine[0] = '\0';
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RcMessageBox(EG_PIF_ASK_CMDLINE,
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NULL,
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pfdata.CmdLine,
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RMB_EDIT | RMB_ICON_INFO | (128 << 16)
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);
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}
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if (*pfdata.CmdLine) {
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strcpy(FullPathName, pfdata.CmdLine);
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dw = cmdExpandEnvironmentStrings(NULL,
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FullPathName,
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pfdata.CmdLine,
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MAX_PATH + 1
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);
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}
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}
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}
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if(IsPIFFile) {
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dw = cmdExpandEnvironmentStrings(NULL,
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pfdata.StartFile,
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FullPathName,
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MAX_PATH + 1
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);
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if (!dw || dw > MAX_PATH) {
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RcMessageBox(EG_PIF_STARTFILE_ERR,
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NULL, NULL, RMB_ICON_BANG | RMB_ABORT);
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goto CleanUpAndReturn;
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}
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// search from the current directory
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// note that the startup directory specified in
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// the pif file has been set as our current directory
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// when we got here
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dw = SearchPathOem(".",
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FullPathName,
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NULL,
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MAX_PATH + 1,
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AppFullPathName,
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&pFilePart
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);
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// if couldn't find the file from the current dir
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// ask win32api help
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if (dw == 0 || dw > MAX_PATH) {
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dw = SearchPathOem(NULL,
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FullPathName,
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NULL,
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MAX_PATH + 1,
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AppFullPathName,
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&pFilePart
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);
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}
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// couldn't find the file, give up
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if (dw == 0 || dw > MAX_PATH) {
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RcMessageBox(EG_PIF_STARTFILE_ERR,
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NULL, NULL, RMB_ICON_BANG | RMB_ABORT);
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goto CleanUpAndReturn;
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}
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dw = GetFileAttributesOem(AppFullPathName);
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if (dw == (DWORD)(-1) || (dw & FILE_ATTRIBUTE_DIRECTORY)) {
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RcMessageBox(EG_PIF_STARTFILE_ERR, NULL, NULL,
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RMB_ICON_BANG | RMB_ABORT
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);
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goto CleanUpAndReturn;
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}
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// convert to shortfilename
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dw = GetShortPathNameOem(AppFullPathName, pvi->AppName,
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MAX_PATH + 1);
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if (dw == 0 || dw > MAX_PATH) {
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RcMessageBox(EG_PIF_STARTFILE_ERR, NULL, NULL,
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RMB_ICON_BANG | RMB_ABORT
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);
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goto CleanUpAndReturn;
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}
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// update the application path name length(including the terminate NULL)
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pvi->AppLen = strlen(pvi->AppName) + 1;
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// pvi->AppName contains the application short name.
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// verify that it has the correct extension(.EXE, .COM or .BAT).
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pDot = (PCHAR)pvi->AppName + pvi->AppLen - 5;
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if (pvi->AppLen < 5 ||
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(_strnicmp(pDot, EXE_EXTENTION_STRING, EXTENTION_STRING_LEN) &&
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_strnicmp(pDot, COM_EXTENTION_STRING, EXTENTION_STRING_LEN) &&
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_strnicmp(pDot, BAT_EXTENTION_STRING, EXTENTION_STRING_LEN)))
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{
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RcMessageBox(EG_DOS_PROG_EXTENSION,AppFullPathName, NULL, RMB_ICON_BANG | RMB_ABORT);
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goto CleanUpAndReturn;
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}
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}
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//
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// Copy in pif command tail if original command tail is empty
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//
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if (!*pCmdLine && pfdata.CmdLine) {
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strcpy(FullPathName, pfdata.CmdLine);
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strcat(FullPathName, "\x0d\x0a");
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if (strlen(FullPathName) >= 128 - 13) {
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// too bad, the command line is too long
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RcMessageBox(EG_PIF_CMDLINE_ERR,NULL,NULL,RMB_ICON_BANG | RMB_ABORT);
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goto CleanUpAndReturn;
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}
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strcpy(pvi->CmdLine, FullPathName);
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pvi->CmdSize = strlen(FullPathName) + 1;
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}
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if (IsPIFFile)
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// we don't know the binary type at this point.
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*pIsDosBinary = 0;
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if (pfdata.WinTitle)
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SetConsoleTitle(pfdata.WinTitle);
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DontCheckDosBinaryType = (pfdata.SubSysId == SUBSYS_DOS);
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CleanUpAndReturn:
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if (pfdata.CmdLine) {
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free(pfdata.CmdLine);
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pfdata.CmdLine = NULL;
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}
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if (pfdata.StartDir) {
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free(pfdata.StartDir);
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pfdata.StartDir = NULL;
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}
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if (pfdata.StartFile) {
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free(pfdata.StartFile);
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pfdata.StartFile = NULL;
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}
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if (pfdata.WinTitle) {
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free(pfdata.WinTitle);
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pfdata.WinTitle = NULL;
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}
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return;
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}
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