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| author | hobbs <hobbs> | 2004-11-17 02:52:24 (GMT) |
|---|---|---|
| committer | hobbs <hobbs> | 2004-11-17 02:52:24 (GMT) |
| commit | b70f7a0c3c837a92e17bb6ec8214cb77b4d2a670 (patch) | |
| tree | 87beaefa136c417281c210ccd24849b78b543f9f /unix/tclUnixChan.c | |
| parent | c2f5a2c1c0eca7207fea7c2945ba25d7e94e927e (diff) | |
| download | tcl-b70f7a0c3c837a92e17bb6ec8214cb77b4d2a670.zip tcl-b70f7a0c3c837a92e17bb6ec8214cb77b4d2a670.tar.gz tcl-b70f7a0c3c837a92e17bb6ec8214cb77b4d2a670.tar.bz2 | |
* unix/tclUnixChan.c (TtySetOptionProc): fixed crash configuring
-ttycontrol on a channel. [Bug 1067708]
Diffstat (limited to 'unix/tclUnixChan.c')
| -rw-r--r-- | unix/tclUnixChan.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/unix/tclUnixChan.c b/unix/tclUnixChan.c index b7f0339..b875e08 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 1.42.2.3 2004/05/04 03:50:59 andreas_kupries Exp $ + * RCS: @(#) $Id: tclUnixChan.c,v 1.42.2.4 2004/11/17 02:52:25 hobbs Exp $ */ #include "tclInt.h" /* Internal definitions for Tcl. */ @@ -997,6 +997,7 @@ TtySetOptionProc(instanceData, interp, optionName, value) * Option -ttycontrol {DTR 1 RTS 0 BREAK 0} */ if ((len > 4) && (strncmp(optionName, "-ttycontrol", len) == 0)) { + int i; if (Tcl_SplitList(interp, value, &argc, &argv) == TCL_ERROR) { return TCL_ERROR; } @@ -1011,12 +1012,12 @@ TtySetOptionProc(instanceData, interp, optionName, value) } GETCONTROL(fsPtr->fd, &control); - while (argc > 1) { - if (Tcl_GetBoolean(interp, argv[1], &flag) == TCL_ERROR) { + for (i = 0; i < argc-1; i += 2) { + if (Tcl_GetBoolean(interp, argv[i+1], &flag) == TCL_ERROR) { ckfree((char *) argv); return TCL_ERROR; } - if (strncasecmp(argv[0], "DTR", strlen(argv[0])) == 0) { + if (strncasecmp(argv[i], "DTR", strlen(argv[i])) == 0) { #ifdef TIOCM_DTR if (flag) { control |= TIOCM_DTR; @@ -1028,7 +1029,7 @@ TtySetOptionProc(instanceData, interp, optionName, value) ckfree((char *) argv); return TCL_ERROR; #endif /* TIOCM_DTR */ - } else if (strncasecmp(argv[0], "RTS", strlen(argv[0])) == 0) { + } else if (strncasecmp(argv[i], "RTS", strlen(argv[i])) == 0) { #ifdef TIOCM_RTS if (flag) { control |= TIOCM_RTS; @@ -1040,7 +1041,7 @@ TtySetOptionProc(instanceData, interp, optionName, value) ckfree((char *) argv); return TCL_ERROR; #endif /* TIOCM_RTS*/ - } else if (strncasecmp(argv[0], "BREAK", strlen(argv[0])) == 0) { + } else if (strncasecmp(argv[i], "BREAK", strlen(argv[i])) == 0) { #ifdef SETBREAK SETBREAK(fsPtr->fd, flag); #else /* !SETBREAK */ @@ -1050,15 +1051,14 @@ TtySetOptionProc(instanceData, interp, optionName, value) #endif /* SETBREAK */ } else { if (interp) { - Tcl_AppendResult(interp, - "bad signal for -ttycontrol: must be ", + Tcl_AppendResult(interp, "bad signal \"", argv[i], + "\" for -ttycontrol: must be ", "DTR, RTS or BREAK", (char *) NULL); } ckfree((char *) argv); return TCL_ERROR; } - argc -= 2, argv += 2; - } /* while (argc > 1) */ + } /* -ttycontrol options loop */ SETCONTROL(fsPtr->fd, &control); ckfree((char *) argv); |