diff options
Diffstat (limited to 'generic/tclCmdAH.c')
| -rw-r--r-- | generic/tclCmdAH.c | 112 |
1 files changed, 76 insertions, 36 deletions
diff --git a/generic/tclCmdAH.c b/generic/tclCmdAH.c index 1cbc4d2..5ca5cf8 100644 --- a/generic/tclCmdAH.c +++ b/generic/tclCmdAH.c @@ -61,6 +61,7 @@ static Tcl_NRPostProc ForPostNextCallback; static Tcl_NRPostProc ForeachLoopStep; static Tcl_NRPostProc EvalCmdErrMsg; +static Tcl_ObjCmdProc BadFileSubcommand; static Tcl_ObjCmdProc FileAttrAccessTimeCmd; static Tcl_ObjCmdProc FileAttrIsDirectoryCmd; static Tcl_ObjCmdProc FileAttrIsExecutableCmd; @@ -193,7 +194,8 @@ Tcl_CaseObjCmd( if (i == caseObjc-1) { Tcl_ResetResult(interp); - Tcl_AppendResult(interp, "extra case pattern with no body", NULL); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "extra case pattern with no body", -1)); return TCL_ERROR; } @@ -408,8 +410,9 @@ Tcl_CdObjCmd( } else { result = Tcl_FSChdir(dir); if (result != TCL_OK) { - Tcl_AppendResult(interp, "couldn't change working directory to \"", - TclGetString(dir), "\": ", Tcl_PosixError(interp), NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "couldn't change working directory to \"%s\": %s", + TclGetString(dir), Tcl_PosixError(interp))); result = TCL_ERROR; } } @@ -563,9 +566,7 @@ Tcl_EncodingObjCmd( * truncate the string at the first null byte. */ - Tcl_SetObjResult(interp, Tcl_NewStringObj( - Tcl_DStringValue(&ds), Tcl_DStringLength(&ds))); - Tcl_DStringFree(&ds); + Tcl_SetObjResult(interp, TclDStringToObj(&ds)); } else { /* * Store the result as binary data. @@ -583,7 +584,7 @@ Tcl_EncodingObjCmd( break; } case ENC_DIRS: - return EncodingDirsObjCmd(dummy, interp, objc-1, objv+1); + return EncodingDirsObjCmd(dummy, interp, objc, objv); case ENC_NAMES: if (objc > 2) { Tcl_WrongNumArgs(interp, 2, objv, NULL); @@ -630,22 +631,27 @@ EncodingDirsObjCmd( int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { - if (objc > 2) { - Tcl_WrongNumArgs(interp, 1, objv, "?dirList?"); + Tcl_Obj *dirListObj; + + if (objc > 3) { + Tcl_WrongNumArgs(interp, 2, objv, "?dirList?"); return TCL_ERROR; } - if (objc == 1) { + if (objc == 2) { Tcl_SetObjResult(interp, Tcl_GetEncodingSearchPath()); return TCL_OK; } - if (Tcl_SetEncodingSearchPath(objv[1]) == TCL_ERROR) { - Tcl_AppendResult(interp, "expected directory list but got \"", - TclGetString(objv[1]), "\"", NULL); + + dirListObj = objv[2]; + if (Tcl_SetEncodingSearchPath(dirListObj) == TCL_ERROR) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "expected directory list but got \"%s\"", + TclGetString(dirListObj))); Tcl_SetErrorCode(interp, "TCL", "OPERATION", "ENCODING", "BADPATH", NULL); return TCL_ERROR; } - Tcl_SetObjResult(interp, objv[1]); + Tcl_SetObjResult(interp, dirListObj); return TCL_OK; } @@ -1042,9 +1048,9 @@ TclMakeFileCommandSafe( Tcl_DString oldBuf, newBuf; Tcl_DStringInit(&oldBuf); - Tcl_DStringAppend(&oldBuf, "::tcl::file::", -1); + TclDStringAppendLiteral(&oldBuf, "::tcl::file::"); Tcl_DStringInit(&newBuf); - Tcl_DStringAppend(&newBuf, "tcl:file:", -1); + TclDStringAppendLiteral(&newBuf, "tcl:file:"); for (i=0 ; unsafeInfo[i].cmdName != NULL ; i++) { if (unsafeInfo[i].unsafe) { const char *oldName, *newName; @@ -1059,6 +1065,8 @@ TclMakeFileCommandSafe( unsafeInfo[i].cmdName, Tcl_GetString(Tcl_GetObjResult(interp))); } + Tcl_CreateObjCommand(interp, oldName, BadFileSubcommand, + (ClientData) unsafeInfo[i].cmdName, NULL); } } Tcl_DStringFree(&oldBuf); @@ -1080,6 +1088,39 @@ TclMakeFileCommandSafe( /* *---------------------------------------------------------------------- * + * BadFileSubcommand -- + * + * Command used to act as a backstop implementation when subcommands of + * "file" are unsafe (the real implementations of the subcommands are + * hidden). The clientData is always the full official subcommand name. + * + * Results: + * A standard Tcl result (always a TCL_ERROR). + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +static int +BadFileSubcommand( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + const char *subcommandName = (const char *) clientData; + + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "not allowed to invoke subcommand %s of file", subcommandName)); + Tcl_SetErrorCode(interp, "TCL", "SAFE", "SUBCOMMAND", NULL); + return TCL_ERROR; +} + +/* + *---------------------------------------------------------------------- + * * FileAttrAccessTimeCmd -- * * This function is invoked to process the "file atime" Tcl command. See @@ -1127,9 +1168,9 @@ FileAttrAccessTimeCmd( tval.modtime = buf.st_mtime; if (Tcl_FSUtime(objv[1], &tval) != 0) { - Tcl_AppendResult(interp, "could not set access time for file \"", - TclGetString(objv[1]), "\": ", Tcl_PosixError(interp), - NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not set access time for file \"%s\": %s", + TclGetString(objv[1]), Tcl_PosixError(interp))); return TCL_ERROR; } @@ -1199,9 +1240,9 @@ FileAttrModifyTimeCmd( tval.modtime = newTime; if (Tcl_FSUtime(objv[1], &tval) != 0) { - Tcl_AppendResult(interp, "could not set modification time for " - "file \"", TclGetString(objv[1]), "\": ", - Tcl_PosixError(interp), NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not set modification time for file \"%s\": %s", + TclGetString(objv[1]), Tcl_PosixError(interp))); return TCL_ERROR; } @@ -1804,7 +1845,7 @@ PathFilesystemCmd( } fsInfo = Tcl_FSFileSystemInfo(objv[1]); if (fsInfo == NULL) { - Tcl_SetResult(interp, "unrecognised path", TCL_STATIC); + Tcl_SetObjResult(interp, Tcl_NewStringObj("unrecognised path", -1)); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "FILESYSTEM", Tcl_GetString(objv[1]), NULL); return TCL_ERROR; @@ -1869,20 +1910,16 @@ PathNativeNameCmd( int objc, Tcl_Obj *const objv[]) { - const char *fileName; Tcl_DString ds; if (objc != 2) { Tcl_WrongNumArgs(interp, 1, objv, "name"); return TCL_ERROR; } - fileName = Tcl_TranslateFileName(interp, TclGetString(objv[1]), &ds); - if (fileName == NULL) { + if (Tcl_TranslateFileName(interp, TclGetString(objv[1]), &ds) == NULL) { return TCL_ERROR; } - Tcl_SetObjResult(interp, Tcl_NewStringObj(fileName, - Tcl_DStringLength(&ds))); - Tcl_DStringFree(&ds); + Tcl_SetObjResult(interp, TclDStringToObj(&ds)); return TCL_OK; } @@ -1956,8 +1993,9 @@ PathSplitCmd( } res = Tcl_FSSplitPath(objv[1], NULL); if (res == NULL) { - Tcl_AppendResult(interp, "could not read \"", TclGetString(objv[1]), - "\": no such file or directory", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not read \"%s\": no such file or directory", + TclGetString(objv[1]))); Tcl_SetErrorCode(interp, "TCL", "OPERATION", "PATHSPLIT", "NONESUCH", NULL); return TCL_ERROR; @@ -2058,7 +2096,8 @@ FilesystemSeparatorCmd( Tcl_Obj *separatorObj = Tcl_FSPathSeparator(objv[1]); if (separatorObj == NULL) { - Tcl_SetResult(interp, "unrecognised path", TCL_STATIC); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "unrecognised path", -1)); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "FILESYSTEM", Tcl_GetString(objv[1]), NULL); return TCL_ERROR; @@ -2177,9 +2216,9 @@ GetStatBuf( if (status < 0) { if (interp != NULL) { - Tcl_AppendResult(interp, "could not read \"", - TclGetString(pathPtr), "\": ", - Tcl_PosixError(interp), NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not read \"%s\": %s", + TclGetString(pathPtr), Tcl_PosixError(interp))); } return TCL_ERROR; } @@ -2614,7 +2653,8 @@ TclNRForeachCmd( TclListObjGetElements(NULL, statePtr->vCopyList[i], &statePtr->varcList[i], &statePtr->varvList[i]); if (statePtr->varcList[i] < 1) { - Tcl_AppendResult(interp, "foreach varlist is empty", NULL); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "foreach varlist is empty", -1)); Tcl_SetErrorCode(interp, "TCL", "OPERATION", "FOREACH", "NEEDVARS", NULL); result = TCL_ERROR; |