mirror of
https://github.com/reactos/reactos.git
synced 2024-09-20 01:31:34 +00:00
143 lines
2.7 KiB
C
143 lines
2.7 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS system libraries
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* FILE: lib/crt/??????
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* PURPOSE: Unknown
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* PROGRAMER: Unknown
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* UPDATE HISTORY:
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* 25/11/05: Created
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*/
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#include <precomp.h>
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#include <tchar.h>
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#ifdef _UNICODE
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#define sT "S"
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#else
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#define sT "s"
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#endif
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#define MK_STR(s) #s
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int alloc_fd(HANDLE hand, int flag); //FIXME: Remove
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unsigned split_oflags(unsigned oflags); //FIXME: Remove
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/*
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* @implemented
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*/
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FILE *_tpopen (const _TCHAR *cm, const _TCHAR *md) /* program name, pipe mode */
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{
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_TCHAR *szCmdLine=NULL;
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_TCHAR *szComSpec=NULL;
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_TCHAR *s;
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FILE *pf;
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HANDLE hReadPipe, hWritePipe;
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BOOL result;
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STARTUPINFO StartupInfo;
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PROCESS_INFORMATION ProcessInformation;
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SECURITY_ATTRIBUTES sa = {sizeof(SECURITY_ATTRIBUTES), NULL, TRUE};
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TRACE(MK_STR(_tpopen)"('%"sT"', '%"sT"')\n", cm, md);
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if (cm == NULL)
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return( NULL );
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szComSpec = _tgetenv(_T("COMSPEC"));
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if (szComSpec == NULL)
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{
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szComSpec = _T("cmd.exe");
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}
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s = max(_tcsrchr(szComSpec, '\\'), _tcsrchr(szComSpec, '/'));
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if (s == NULL)
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s = szComSpec;
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else
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s++;
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szCmdLine = malloc((_tcslen(s) + 4 + _tcslen(cm) + 1) * sizeof(_TCHAR));
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if (szCmdLine == NULL)
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{
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return NULL;
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}
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_tcscpy(szCmdLine, s);
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s = _tcsrchr(szCmdLine, '.');
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if (s)
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*s = 0;
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_tcscat(szCmdLine, _T(" /C "));
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_tcscat(szCmdLine, cm);
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if ( !CreatePipe(&hReadPipe,&hWritePipe,&sa,1024))
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{
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free (szCmdLine);
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return NULL;
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}
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memset(&StartupInfo, 0, sizeof(STARTUPINFO));
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StartupInfo.cb = sizeof(STARTUPINFO);
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if (*md == 'r' ) {
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StartupInfo.hStdOutput = hWritePipe;
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StartupInfo.dwFlags |= STARTF_USESTDHANDLES;
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}
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else if ( *md == 'w' ) {
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StartupInfo.hStdInput = hReadPipe;
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StartupInfo.dwFlags |= STARTF_USESTDHANDLES;
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}
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result = CreateProcess(szComSpec,
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szCmdLine,
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NULL,
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NULL,
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TRUE,
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0,
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NULL,
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NULL,
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&StartupInfo,
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&ProcessInformation);
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free (szCmdLine);
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if (result == FALSE)
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{
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CloseHandle(hReadPipe);
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CloseHandle(hWritePipe);
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return NULL;
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}
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CloseHandle(ProcessInformation.hThread);
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if ( *md == 'r' )
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{
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pf = _tfdopen(alloc_fd(hReadPipe, split_oflags(_fmode)) , _T("r"));
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CloseHandle(hWritePipe);
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}
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else
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{
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pf = _tfdopen( alloc_fd(hWritePipe, split_oflags(_fmode)) , _T("w"));
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CloseHandle(hReadPipe);
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}
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pf->_tmpfname = ProcessInformation.hProcess;
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return( pf );
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}
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#ifndef _UNICODE
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/*
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* @implemented
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*/
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int _pclose (FILE *pp)
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{
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TRACE("_pclose(%x)",pp);
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fclose(pp);
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//if (!TerminateProcess(pp->_tmpfname ,0))
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// return( -1 );
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return( 0 );
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}
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#endif
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