diff options
Diffstat (limited to 'unix/tclUnixChan.c')
| -rw-r--r-- | unix/tclUnixChan.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/unix/tclUnixChan.c b/unix/tclUnixChan.c index 42dbcbe..8fa09e5 100644 --- a/unix/tclUnixChan.c +++ b/unix/tclUnixChan.c @@ -10,7 +10,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclUnixChan.c,v 1.64 2005/11/27 02:33:50 das Exp $ + * RCS: @(#) $Id: tclUnixChan.c,v 1.65 2006/01/26 09:30:52 dkf Exp $ */ #include "tclInt.h" /* Internal definitions for Tcl. */ @@ -1766,9 +1766,6 @@ TclpOpenFileChannel( CONST char *native, *translation; char channelName[16 + TCL_INTEGER_SPACE]; Tcl_ChannelType *channelTypePtr; -#ifdef SUPPORTS_TTY - int ctl_tty; -#endif /* SUPPORTS_TTY */ switch (mode & (O_RDONLY | O_WRONLY | O_RDWR)) { case O_RDONLY: @@ -1800,15 +1797,10 @@ TclpOpenFileChannel( fd = TclOSopen(native, mode, permissions); -#ifdef SUPPORTS_TTY - ctl_tty = (strcmp(native, "/dev/tty") == 0); -#endif /* SUPPORTS_TTY */ - if (fd < 0) { if (interp != NULL) { - Tcl_AppendResult(interp, "couldn't open \"", - TclGetString(pathPtr), "\": ", Tcl_PosixError(interp), - NULL); + Tcl_AppendResult(interp, "couldn't open \"", TclGetString(pathPtr), + "\": ", Tcl_PosixError(interp), NULL); } return NULL; } @@ -1823,13 +1815,19 @@ TclpOpenFileChannel( sprintf(channelName, "file%d", fd); #ifdef SUPPORTS_TTY - if (!ctl_tty && isatty(fd)) { + if (strcmp(native, "/dev/tty") != 0 && isatty(fd)) { /* - * Initialize the serial port to a set of sane parameters. Especially + * Initialize the serial port to a set of sane parameters. Especially * important if the remote device is set to echo and the serial port * driver was also set to echo -- as soon as a char were sent to the * serial port, the remote device would echo it, then the serial * driver would echo it back to the device, etc. + * + * Note that we do not do this if we're dealing with /dev/tty itself, + * as that tends to cause Bad Things To Happen when you're working + * interactively. Strictly a better check would be to see if the FD + * being set up is a device and has the same major/minor as the + * initial std FDs (beware reopening!) but that's nearly as messy. */ translation = "auto crlf"; |