130 lines
2.4 KiB
C++
Executable File
130 lines
2.4 KiB
C++
Executable File
// fv 6/10/93
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#include <stdio.h>
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#include <xvt.h>
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#if XVT_OS == XVT_OS_SCOUNIX
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#include <sys/fcntl.h>
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#include <sys/wait.h>
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#endif
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#if XVT_OS == XVT_OS_WIN
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#include <windows.h>
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#include <applicat.h>
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#endif
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#if XVT_OS == XVT_OS_DOS
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#include <holdev.h>
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#endif
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#include <execp.h>
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// char _path[120]; // app name
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// int _error; // last error
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// int _exitcode; // last exit code
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// int _count; // count of calls returning 0
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// int error() { return _error};
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// int exitcode() { return _exitcode};
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// int count() { return _count; };
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int TExternal_app::run(bool async)
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{
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_error = 0;
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_exitcode = 0;
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// save cwd
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save_dir();
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#if XVT_OS == XVT_OS_DOS
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// ems swap
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setems(1);
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// *** BLinker support; uncomment as needed
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// BLIUNHOOK();
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// *******************
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char* s = getenv("TMPDIR");
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if (s == NULL)
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_exitcode = holdev("\\tmp;",0,_path);
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else
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_exitcode = holdev(s,0,_path);
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// *** BLinker support; uncomment as needed
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// BLREINIT();
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// *******************
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if (!_exitcode)
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_exitcode = childret();
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else
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_exitcode = -_exitcode;
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xvt_escape(XVT_ESC_CH_REFRESH);
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#elif XVT_OS == XVT_OS_WIN
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set_cursor(TASK_WIN, CURSOR_WAIT);
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_exitcode = WinExec((char*)_path, SW_SHOW);
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if (_exitcode >= 32)
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{
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if (!async) MainApp()->wait_for(_path);
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_exitcode = 0;
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}
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else
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error_box("Impossibile eseguire '%s':\nErrore %d", (const char*)_path, _exitcode);
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set_cursor(TASK_WIN, CURSOR_ARROW);
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#else
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switch (fork())
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{
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case -1:
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_error = errno;
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_exitcode = -1;
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break;
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case 0:
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const char* s = strdup(_path);
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char* p = strchr(s, ' ');
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if (p) *p = '\0';
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const char* pathn = strdup(s);
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const char* args[21];
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int i = 0;
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args[i++] = pathn;
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while ((i < 20) && (p))
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{
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s = p + 1;
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p = strchr(s, ' ');
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if (p) *p = '\0';
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args[i++] = strdup(s);
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}
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args[i] = NULL;
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for (i = 3; i < _NFILE; i++) fcntl(i,F_SETFD,1);
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// execvp(_path, NULL);
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execvp ( pathn , args );
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exit ( -1 );
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default:
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if(wait(&_exitcode) == -1)
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_exitcode = -1;
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else _exitcode = _exitcode >> 8;
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break;
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}
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_error = errno;
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xvt_escape(XVT_ESC_CH_REFRESH);
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#endif
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// restore cwd
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restore_dir();
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// update counts
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if (_exitcode == 0)
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_count++;
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return _exitcode;
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}
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TExternal_app::TExternal_app(const char* p)
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{
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_path = p;
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_count = 0;
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_error = 0;
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_exitcode = 0;
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}
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