diff options
Diffstat (limited to 'generic/tclPipe.c')
| -rw-r--r-- | generic/tclPipe.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/generic/tclPipe.c b/generic/tclPipe.c index accfd62..c1097ca 100644 --- a/generic/tclPipe.c +++ b/generic/tclPipe.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: tclPipe.c,v 1.7.2.4 2006/01/16 19:31:18 rmax Exp $ + * RCS: @(#) $Id: tclPipe.c,v 1.7.2.5 2006/03/16 00:35:58 andreas_kupries Exp $ */ #include "tclInt.h" @@ -508,7 +508,7 @@ TclCreatePipeline(interp, argc, argv, pidArrayPtr, inPipePtr, int errorRelease = 0; CONST char *p; CONST char *nextArg; - int skip, lastBar, lastArg, i, j, atOK, flags, errorToOutput = 0; + int skip, lastBar, lastArg, i, j, atOK, flags, needCmd, errorToOutput = 0; Tcl_DString execBuffer; TclFile pipeIn; TclFile curInFile, curOutFile, curErrFile; @@ -546,6 +546,7 @@ TclCreatePipeline(interp, argc, argv, pidArrayPtr, inPipePtr, lastBar = -1; cmdCount = 1; + needCmd = 1; for (i = 0; i < argc; i++) { errorToOutput = 0; skip = 0; @@ -565,6 +566,7 @@ TclCreatePipeline(interp, argc, argv, pidArrayPtr, inPipePtr, } lastBar = i; cmdCount++; + needCmd = 1; break; case '<': @@ -706,6 +708,11 @@ TclCreatePipeline(interp, argc, argv, pidArrayPtr, inPipePtr, } } break; + + default: + /* Got a command word, not a redirection */ + needCmd = 0; + break; } if (skip != 0) { @@ -717,6 +724,15 @@ TclCreatePipeline(interp, argc, argv, pidArrayPtr, inPipePtr, } } + if (needCmd) { + /* We had a bar followed only by redirections. */ + + Tcl_SetResult(interp, + "illegal use of | or |& in command", + TCL_STATIC); + goto error; + } + if (inputFile == NULL) { if (inputLiteral != NULL) { /* |