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-rw-r--r--generic/tclPipe.c133
1 files changed, 79 insertions, 54 deletions
diff --git a/generic/tclPipe.c b/generic/tclPipe.c
index cbefbc1..83fb818 100644
--- a/generic/tclPipe.c
+++ b/generic/tclPipe.c
@@ -8,8 +8,6 @@
*
* 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 1.24 2010/06/14 12:58:13 nijtmans Exp $
*/
#include "tclInt.h"
@@ -108,9 +106,12 @@ FileForRedirect(
if (msg) {
Tcl_SetObjResult(interp, msg);
} else {
- Tcl_AppendResult(interp, "channel \"",
- Tcl_GetChannelName(chan), "\" wasn't opened for ",
- ((writing) ? "writing" : "reading"), NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "channel \"%s\" wasn't opened for %s",
+ Tcl_GetChannelName(chan),
+ ((writing) ? "writing" : "reading")));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "EXEC",
+ "BADCHAN", NULL);
}
return NULL;
}
@@ -141,9 +142,10 @@ FileForRedirect(
file = TclpOpenFile(name, flags);
Tcl_DStringFree(&nameString);
if (file == NULL) {
- Tcl_AppendResult(interp, "couldn't ",
- ((writing) ? "write" : "read"), " file \"", spec, "\": ",
- Tcl_PosixError(interp), NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "couldn't %s file \"%s\": %s",
+ (writing ? "write" : "read"), spec,
+ Tcl_PosixError(interp)));
return NULL;
}
*closePtr = 1;
@@ -151,8 +153,9 @@ FileForRedirect(
return file;
badLastArg:
- Tcl_AppendResult(interp, "can't specify \"", arg,
- "\" as last word in command", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "can't specify \"%s\" as last word in command", arg));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "EXEC", "SYNTAX", NULL);
return NULL;
}
@@ -185,7 +188,7 @@ Tcl_DetachPids(
Tcl_MutexLock(&pipeMutex);
for (i = 0; i < numPids; i++) {
- detPtr = (Detached *) ckalloc(sizeof(Detached));
+ detPtr = ckalloc(sizeof(Detached));
detPtr->pid = pidPtr[i];
detPtr->nextPtr = detList;
detList = detPtr;
@@ -235,7 +238,7 @@ Tcl_ReapDetachedProcs(void)
} else {
prevPtr->nextPtr = detPtr->nextPtr;
}
- ckfree((char *) detPtr);
+ ckfree(detPtr);
detPtr = nextPtr;
}
Tcl_MutexUnlock(&pipeMutex);
@@ -283,7 +286,7 @@ TclCleanupChildren(
for (i = 0; i < numPids; i++) {
/*
* We need to get the resolved pid before we wait on it as the windows
- * implimentation of Tcl_WaitPid deletes the information such that any
+ * implementation of Tcl_WaitPid deletes the information such that any
* following calls to TclpGetPid fail.
*/
@@ -303,8 +306,8 @@ TclCleanupChildren(
msg =
"child process lost (is SIGCHLD ignored or trapped?)";
}
- Tcl_AppendResult(interp, "error waiting for process to exit: ",
- msg, NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "error waiting for process to exit: %s", msg));
}
continue;
}
@@ -334,16 +337,19 @@ TclCleanupChildren(
p = Tcl_SignalMsg(WTERMSIG(waitStatus));
Tcl_SetErrorCode(interp, "CHILDKILLED", msg1,
Tcl_SignalId(WTERMSIG(waitStatus)), p, NULL);
- Tcl_AppendResult(interp, "child killed: ", p, "\n", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "child killed: %s\n", p));
} else if (WIFSTOPPED(waitStatus)) {
p = Tcl_SignalMsg(WSTOPSIG(waitStatus));
Tcl_SetErrorCode(interp, "CHILDSUSP", msg1,
Tcl_SignalId(WSTOPSIG(waitStatus)), p, NULL);
- Tcl_AppendResult(interp, "child suspended: ", p, "\n",
- NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "child suspended: %s\n", p));
} else {
- Tcl_AppendResult(interp,
- "child wait status didn't make sense\n", NULL);
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "child wait status didn't make sense\n", -1));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "EXEC",
+ "ODDWAITRESULT", msg1, NULL);
}
}
}
@@ -371,8 +377,9 @@ TclCleanupChildren(
result = TCL_ERROR;
Tcl_DecrRefCount(objPtr);
Tcl_ResetResult(interp);
- Tcl_AppendResult(interp, "error reading stderr output file: ",
- Tcl_PosixError(interp), NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "error reading stderr output file: %s",
+ Tcl_PosixError(interp)));
} else if (count > 0) {
anyErrorInfo = 1;
Tcl_SetObjResult(interp, objPtr);
@@ -390,7 +397,8 @@ TclCleanupChildren(
*/
if ((abnormalExit != 0) && (anyErrorInfo == 0) && (interp != NULL)) {
- Tcl_AppendResult(interp, "child process exited abnormally", NULL);
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "child process exited abnormally", -1));
}
return result;
}
@@ -539,8 +547,10 @@ TclCreatePipeline(
}
if (*p == '\0') {
if ((i == (lastBar + 1)) || (i == (argc - 1))) {
- Tcl_SetResult(interp, "illegal use of | or |& in command",
- TCL_STATIC);
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "illegal use of | or |& in command", -1));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "EXEC",
+ "PIPESYNTAX", NULL);
goto error;
}
}
@@ -565,8 +575,11 @@ TclCreatePipeline(
if (*inputLiteral == '\0') {
inputLiteral = ((i + 1) == argc) ? NULL : argv[i + 1];
if (inputLiteral == NULL) {
- Tcl_AppendResult(interp, "can't specify \"", argv[i],
- "\" as last word in command", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "can't specify \"%s\" as last word in command",
+ argv[i]));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "EXEC",
+ "PIPESYNTAX", NULL);
goto error;
}
skip = 2;
@@ -673,8 +686,11 @@ TclCreatePipeline(
*/
if (i != argc-1) {
- Tcl_AppendResult(interp, "must specify \"", argv[i],
- "\" as last word in command", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "must specify \"%s\" as last word in command",
+ argv[i]));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "EXEC",
+ "PIPESYNTAX", NULL);
goto error;
}
errorFile = outputFile;
@@ -713,8 +729,10 @@ TclCreatePipeline(
* We had a bar followed only by redirections.
*/
- Tcl_SetResult(interp, "illegal use of | or |& in command",
- TCL_STATIC);
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "illegal use of | or |& in command", -1));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "EXEC", "PIPESYNTAX",
+ NULL);
goto error;
}
@@ -728,9 +746,9 @@ TclCreatePipeline(
inputFile = TclpCreateTempFile(inputLiteral);
if (inputFile == NULL) {
- Tcl_AppendResult(interp,
- "couldn't create input file for command: ",
- Tcl_PosixError(interp), NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "couldn't create input file for command: %s",
+ Tcl_PosixError(interp)));
goto error;
}
inputClose = 1;
@@ -741,9 +759,9 @@ TclCreatePipeline(
*/
if (TclpCreatePipe(&inputFile, inPipePtr) == 0) {
- Tcl_AppendResult(interp,
- "couldn't create input pipe for command: ",
- Tcl_PosixError(interp), NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "couldn't create input pipe for command: %s",
+ Tcl_PosixError(interp)));
goto error;
}
inputClose = 1;
@@ -770,9 +788,9 @@ TclCreatePipeline(
*/
if (TclpCreatePipe(outPipePtr, &outputFile) == 0) {
- Tcl_AppendResult(interp,
- "couldn't create output pipe for command: ",
- Tcl_PosixError(interp), NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "couldn't create output pipe for command: %s",
+ Tcl_PosixError(interp)));
goto error;
}
outputClose = 1;
@@ -810,9 +828,9 @@ TclCreatePipeline(
errorFile = TclpCreateTempFile(NULL);
if (errorFile == NULL) {
- Tcl_AppendResult(interp,
- "couldn't create error file for command: ",
- Tcl_PosixError(interp), NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "couldn't create error file for command: %s",
+ Tcl_PosixError(interp)));
goto error;
}
*errFilePtr = errorFile;
@@ -837,7 +855,7 @@ TclCreatePipeline(
*/
Tcl_ReapDetachedProcs();
- pidPtr = (Tcl_Pid *) ckalloc((unsigned) (cmdCount * sizeof(Tcl_Pid)));
+ pidPtr = ckalloc(cmdCount * sizeof(Tcl_Pid));
curInFile = inputFile;
@@ -883,8 +901,8 @@ TclCreatePipeline(
} else {
argv[lastArg] = NULL;
if (TclpCreatePipe(&pipeIn, &curOutFile) == 0) {
- Tcl_AppendResult(interp, "couldn't create pipe: ",
- Tcl_PosixError(interp), NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "couldn't create pipe: %s", Tcl_PosixError(interp)));
goto error;
}
}
@@ -990,7 +1008,7 @@ TclCreatePipeline(
Tcl_DetachPids(1, &pidPtr[i]);
}
}
- ckfree((char *) pidPtr);
+ ckfree(pidPtr);
}
numPids = -1;
goto cleanup;
@@ -1063,13 +1081,19 @@ Tcl_OpenCommandChannel(
if (flags & TCL_ENFORCE_MODE) {
if ((flags & TCL_STDOUT) && (outPipe == NULL)) {
- Tcl_AppendResult(interp, "can't read output from command:"
- " standard output was redirected", NULL);
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "can't read output from command:"
+ " standard output was redirected", -1));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "EXEC",
+ "BADREDIRECT", NULL);
goto error;
}
if ((flags & TCL_STDIN) && (inPipe == NULL)) {
- Tcl_AppendResult(interp, "can't write input to command:"
- " standard input was redirected", NULL);
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "can't write input to command:"
+ " standard input was redirected", -1));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "EXEC",
+ "BADREDIRECT", NULL);
goto error;
}
}
@@ -1078,8 +1102,9 @@ Tcl_OpenCommandChannel(
numPids, pidPtr);
if (channel == NULL) {
- Tcl_AppendResult(interp, "pipe for command could not be created",
- NULL);
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "pipe for command could not be created", -1));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "EXEC", "NOPIPE", NULL);
goto error;
}
return channel;
@@ -1087,7 +1112,7 @@ Tcl_OpenCommandChannel(
error:
if (numPids > 0) {
Tcl_DetachPids(numPids, pidPtr);
- ckfree((char *) pidPtr);
+ ckfree(pidPtr);
}
if (inPipe != NULL) {
TclpCloseFile(inPipe);