respect TERM variable

1 files changed, 3 insertions, 1 deletions

diff --git a/core/apps/embeddedkonsole/MyPty.cpp b/core/apps/embeddedkonsole/MyPty.cpp
index d05e31e..4b1ae59 100644
--- a/core/apps/embeddedkonsole/MyPty.cpp
+++ b/core/apps/embeddedkonsole/MyPty.cpp
@@ -107,129 +107,131 @@ void MyPty::setSize(int lines, int columns)
 
 void MyPty::donePty()
 {
     // This is code from the Qt DumbTerminal example
     int status = 0;
 
     ::close(fd);
 
     if (cpid) {
   kill(cpid, SIGHUP);
   waitpid(cpid, &status, 0);
     }
 
     emit done(status);
 }
 
 
 const char* MyPty::deviceName()
 {
     return ttynam;
 }
 
 
 void MyPty::error()
 {
     // This is code from the Qt DumbTerminal example
     donePty();
 }
 
 
 /*!
     start the client program.
 */
 int MyPty::run(const char* cmd, QStrList &, const char*, int)
 {
       // This is code from the Qt DumbTerminal example
     cpid = fork();
 
     if ( !cpid ) {
   // child - exec shell on tty
   for (int sig = 1; sig < NSIG; sig++) signal(sig,SIG_DFL);
 
   // attempt to keep apm driver from killing us on power on/off
   signal(SIGSTOP, SIG_IGN);
   signal(SIGCONT, SIG_IGN);
   signal(SIGTSTP, SIG_IGN);
 
   int ttyfd = open(ttynam, O_RDWR);
   dup2(ttyfd, STDIN_FILENO);
   dup2(ttyfd, STDOUT_FILENO);
   dup2(ttyfd, STDERR_FILENO);
   // should be done with tty, so close it
   close(ttyfd);
   static struct termios ttmode;
   if ( setsid() < 0 )
       perror( "failed to set process group" );
 #if defined (TIOCSCTTY)
   // grabbed from APUE by Stevens
   ioctl(STDIN_FILENO, TIOCSCTTY, 0);
 #endif
   tcgetattr( STDIN_FILENO, &ttmode );
   ttmode.c_cc[VINTR] = 3;
   ttmode.c_cc[VERASE] = 8;
   tcsetattr( STDIN_FILENO, TCSANOW, &ttmode );
-  setenv("TERM","vt100",1);
+
+        if(strlen(getenv("TERM"))<=0)
+                        setenv("TERM","vt100",1);
   setenv("COLORTERM","0",1);
 
   if (getuid() == 0) {
       char msg[] = "WARNING: You are running this shell as root!\n";
       write(ttyfd, msg, sizeof(msg));
   }
 
   QString ccmd = "-"+QFileInfo(cmd).fileName(); //creates a login shell
 
   execl(cmd, ccmd.latin1(), 0);
 
   donePty();
   exit(-1);
     }
 
     // parent - continue as a widget
     QSocketNotifier* sn_r = new QSocketNotifier(fd,QSocketNotifier::Read,this);
     QSocketNotifier* sn_e = new QSocketNotifier(fd,QSocketNotifier::Exception,this);
     connect(sn_r,SIGNAL(activated(int)),this,SLOT(readPty()));
     connect(sn_e,SIGNAL(activated(int)),this,SLOT(error()));
 
     return 0;
 }
 
 int MyPty::openPty()
 {
     // This is code from the Qt DumbTerminal example
     int ptyfd = -1;
 
 #ifdef HAVE_OPENPTY
     int ttyfd;
     if ( openpty(&ptyfd,&ttyfd,ttynam,0,0) )
   ptyfd = -1;
     else
   close(ttyfd); // we open the ttynam ourselves.
 #else
     for (const char* c0 = "pqrstuvwxyzabcde"; ptyfd < 0 && *c0 != 0; c0++) {
   for (const char* c1 = "0123456789abcdef"; ptyfd < 0 && *c1 != 0; c1++) {
       sprintf(ptynam,"/dev/pty%c%c",*c0,*c1);
       sprintf(ttynam,"/dev/tty%c%c",*c0,*c1);
       if ((ptyfd = ::open(ptynam,O_RDWR)) >= 0) {
     if (geteuid() != 0 && !access(ttynam,R_OK|W_OK) == 0) {
         ::close(ptyfd);
         ptyfd = -1;
     }
       }
   }
     }
 #endif
 
     if ( ptyfd < 0 ) {
   qApp->exit(1);
   return -1;
     }
 
     return ptyfd;
 }
 
 /*!
     Create an instance.
 */
 MyPty::MyPty() : cpid(0)
 {
   fd = openPty();