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authordkf <donal.k.fellows@manchester.ac.uk>2012-08-05 12:09:12 (GMT)
committerdkf <donal.k.fellows@manchester.ac.uk>2012-08-05 12:09:12 (GMT)
commit13147008eb79f31b7f144a848233b4a28591b2d9 (patch)
treeabf0fe6884e78232b9fa8bb36a11d16458869c8a /unix/tclUnixPipe.c
parentd8bae8d8c160bda642defb70d49448aadd1b6068 (diff)
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Final part of result generation conversion (modulo any minor blunders)
Diffstat (limited to 'unix/tclUnixPipe.c')
-rw-r--r--unix/tclUnixPipe.c64
1 files changed, 33 insertions, 31 deletions
diff --git a/unix/tclUnixPipe.c b/unix/tclUnixPipe.c
index 377b84b..654c9d8 100644
--- a/unix/tclUnixPipe.c
+++ b/unix/tclUnixPipe.c
@@ -267,35 +267,34 @@ TclpTempFileName(void)
}
/*
- *-----------------------------------------------------------------------------
+ *----------------------------------------------------------------------------
*
* TclpTempFileNameForLibrary --
*
- * Constructs a file name in the native file system where a
- * dynamically loaded library may be placed.
+ * Constructs a file name in the native file system where a dynamically
+ * loaded library may be placed.
*
* Results:
- * Returns the constructed file name. If an error occurs,
- * returns NULL and leaves an error message in the interpreter
- * result.
+ * Returns the constructed file name. If an error occurs, returns NULL
+ * and leaves an error message in the interpreter result.
*
- * On Unix, it works to load a shared object from a file of any
- * name, so this function is merely a thin wrapper around
- * TclpTempFileName().
+ * On Unix, it works to load a shared object from a file of any name, so this
+ * function is merely a thin wrapper around TclpTempFileName().
*
- *-----------------------------------------------------------------------------
+ *----------------------------------------------------------------------------
*/
-Tcl_Obj*
-TclpTempFileNameForLibrary(Tcl_Interp* interp, /* Tcl interpreter */
- Tcl_Obj* path) /* Path name of the library
- * in the VFS */
+Tcl_Obj *
+TclpTempFileNameForLibrary(
+ Tcl_Interp *interp, /* Tcl interpreter. */
+ Tcl_Obj *path) /* Path name of the library in the VFS. */
{
- Tcl_Obj* retval;
- retval = TclpTempFileName();
+ Tcl_Obj *retval = TclpTempFileName();
+
if (retval == NULL) {
- Tcl_AppendResult(interp, "couldn't create temporary file: ",
- Tcl_PosixError(interp), NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "couldn't create temporary file: %s",
+ Tcl_PosixError(interp)));
}
return retval;
}
@@ -442,8 +441,8 @@ TclpCreateProcess(
*/
if (TclpCreatePipe(&errPipeIn, &errPipeOut) == 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;
}
@@ -463,8 +462,9 @@ TclpCreateProcess(
/*
* After vfork(), do not call code in the child that changes global state,
* because it is using the parent's memory space at that point and writes
- * might corrupt the parent: so ensure standard channels are initialized in
- * the parent, otherwise SetupStdFile() might initialize them in the child.
+ * might corrupt the parent: so ensure standard channels are initialized
+ * in the parent, otherwise SetupStdFile() might initialize them in the
+ * child.
*/
if (!inputFile) {
@@ -495,7 +495,7 @@ TclpCreateProcess(
|| (joinThisError &&
((dup2(1,2) == -1) || (fcntl(2, F_SETFD, 0) != 0)))) {
sprintf(errSpace,
- "%dforked process couldn't set up input/output: ", errno);
+ "%dforked process couldn't set up input/output", errno);
len = strlen(errSpace);
if (len != (size_t) write(fd, errSpace, len)) {
Tcl_Panic("TclpCreateProcess: unable to write to errPipeOut");
@@ -509,11 +509,11 @@ TclpCreateProcess(
RestoreSignals();
execvp(newArgv[0], newArgv); /* INTL: Native. */
- sprintf(errSpace, "%dcouldn't execute \"%.150s\": ", errno, argv[0]);
+ sprintf(errSpace, "%dcouldn't execute \"%.150s\"", errno, argv[0]);
len = strlen(errSpace);
- if (len != (size_t) write(fd, errSpace, len)) {
+ if (len != (size_t) write(fd, errSpace, len)) {
Tcl_Panic("TclpCreateProcess: unable to write to errPipeOut");
- }
+ }
_exit(1);
}
@@ -528,8 +528,8 @@ TclpCreateProcess(
TclStackFree(interp, dsArray);
if (pid == -1) {
- Tcl_AppendResult(interp, "couldn't fork child process: ",
- Tcl_PosixError(interp), NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "couldn't fork child process: %s", Tcl_PosixError(interp)));
goto error;
}
@@ -546,9 +546,11 @@ TclpCreateProcess(
count = read(fd, errSpace, (size_t) (sizeof(errSpace) - 1));
if (count > 0) {
char *end;
+
errSpace[count] = 0;
errno = strtol(errSpace, &end, 10);
- Tcl_AppendResult(interp, end, Tcl_PosixError(interp), NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf("%s: %s",
+ end, Tcl_PosixError(interp)));
goto error;
}
@@ -832,8 +834,8 @@ Tcl_CreatePipe(
int fileNums[2];
if (pipe(fileNums) < 0) {
- Tcl_AppendResult(interp, "pipe creation failed: ",
- Tcl_PosixError(interp), NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf("pipe creation failed: %s",
+ Tcl_PosixError(interp)));
return TCL_ERROR;
}