diff options
Diffstat (limited to 'generic/tclPipe.c')
| -rw-r--r-- | generic/tclPipe.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/generic/tclPipe.c b/generic/tclPipe.c index fc0e6c0..9750131 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 1.7.2.2 2005/07/28 15:27:58 dkf Exp $ + * RCS: @(#) $Id: tclPipe.c,v 1.7.2.3 2005/10/05 22:09:11 andreas_kupries Exp $ */ #include "tclInt.h" @@ -508,6 +508,7 @@ TclCreatePipeline(interp, argc, argv, pidArrayPtr, inPipePtr, * closed when cleaning up. */ int errorRelease = 0; CONST char *p; + CONST char *nextArg; int skip, lastBar, lastArg, i, j, atOK, flags, errorToOutput = 0; Tcl_DString execBuffer; TclFile pipeIn; @@ -581,7 +582,7 @@ TclCreatePipeline(interp, argc, argv, pidArrayPtr, inPipePtr, inputLiteral = p + 1; skip = 1; if (*inputLiteral == '\0') { - inputLiteral = argv[i + 1]; + inputLiteral = ((i + 1) == argc) ? NULL : argv[i + 1]; if (inputLiteral == NULL) { Tcl_AppendResult(interp, "can't specify \"", argv[i], "\" as last word in command", (char *) NULL); @@ -590,9 +591,10 @@ TclCreatePipeline(interp, argc, argv, pidArrayPtr, inPipePtr, skip = 2; } } else { + nextArg = ((i + 1) == argc) ? NULL : argv[i + 1]; inputLiteral = NULL; inputFile = FileForRedirect(interp, p, 1, argv[i], - argv[i + 1], O_RDONLY, &skip, &inputClose, &inputRelease); + nextArg, O_RDONLY, &skip, &inputClose, &inputRelease); if (inputFile == NULL) { goto error; } @@ -643,8 +645,9 @@ TclCreatePipeline(interp, argc, argv, pidArrayPtr, inPipePtr, TclpReleaseFile(outputFile); } } + nextArg = ((i + 1) == argc) ? NULL : argv[i + 1]; outputFile = FileForRedirect(interp, p, atOK, argv[i], - argv[i + 1], flags, &skip, &outputClose, &outputRelease); + nextArg, flags, &skip, &outputClose, &outputRelease); if (outputFile == NULL) { goto error; } @@ -696,8 +699,9 @@ TclCreatePipeline(interp, argc, argv, pidArrayPtr, inPipePtr, errorToOutput = 2; skip = 1; } else { + nextArg = ((i + 1) == argc) ? NULL : argv[i + 1]; errorFile = FileForRedirect(interp, p, atOK, argv[i], - argv[i + 1], flags, &skip, &errorClose, &errorRelease); + nextArg, flags, &skip, &errorClose, &errorRelease); if (errorFile == NULL) { goto error; } @@ -864,7 +868,6 @@ TclCreatePipeline(interp, argc, argv, pidArrayPtr, inPipePtr, } } } - argv[lastArg] = NULL; /* * If this is the last segment, use the specified outputFile. @@ -872,9 +875,10 @@ TclCreatePipeline(interp, argc, argv, pidArrayPtr, inPipePtr, * curInFile for the next segment of the pipe. */ - if (lastArg == argc) { + if (lastArg == argc) { curOutFile = outputFile; } else { + argv[lastArg] = NULL; if (TclpCreatePipe(&pipeIn, &curOutFile) == 0) { Tcl_AppendResult(interp, "couldn't create pipe: ", Tcl_PosixError(interp), (char *) NULL); |