diff options
Diffstat (limited to 'generic/tclCmdAH.c')
| -rw-r--r-- | generic/tclCmdAH.c | 1785 |
1 files changed, 1120 insertions, 665 deletions
diff --git a/generic/tclCmdAH.c b/generic/tclCmdAH.c index eac0cea..4326276 100644 --- a/generic/tclCmdAH.c +++ b/generic/tclCmdAH.c @@ -10,12 +10,11 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclCmdAH.c,v 1.127 2010/09/23 18:08:35 dgp Exp $ + * RCS: @(#) $Id: tclCmdAH.c,v 1.128 2010/12/09 15:09:07 dkf Exp $ */ #include "tclInt.h" #include <locale.h> -#include "tclFileSystem.h" /* * The state structure used by [foreach]. Note that the actual structure has @@ -46,8 +45,6 @@ static int CheckAccess(Tcl_Interp *interp, Tcl_Obj *pathPtr, static int EncodingDirsObjCmd(ClientData dummy, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); -static int FileTempfileCmd(Tcl_Interp *interp, int objc, - Tcl_Obj *const objv[]); static inline int ForeachAssignments(Tcl_Interp *interp, struct ForeachState *statePtr); static inline void ForeachCleanup(Tcl_Interp *interp, @@ -65,6 +62,32 @@ static Tcl_NRPostProc ForNextCallback; static Tcl_NRPostProc ForPostNextCallback; static Tcl_NRPostProc ForeachLoopStep; static Tcl_NRPostProc EvalCmdErrMsg; + +static Tcl_ObjCmdProc FileAttrAccessTimeCmd; +static Tcl_ObjCmdProc FileAttrIsDirectoryCmd; +static Tcl_ObjCmdProc FileAttrIsExecutableCmd; +static Tcl_ObjCmdProc FileAttrIsExistingCmd; +static Tcl_ObjCmdProc FileAttrIsFileCmd; +static Tcl_ObjCmdProc FileAttrIsOwnedCmd; +static Tcl_ObjCmdProc FileAttrIsReadableCmd; +static Tcl_ObjCmdProc FileAttrIsWritableCmd; +static Tcl_ObjCmdProc FileAttrLinkStatCmd; +static Tcl_ObjCmdProc FileAttrModifyTimeCmd; +static Tcl_ObjCmdProc FileAttrSizeCmd; +static Tcl_ObjCmdProc FileAttrStatCmd; +static Tcl_ObjCmdProc FileAttrTypeCmd; +static Tcl_ObjCmdProc FilesystemSeparatorCmd; +static Tcl_ObjCmdProc FilesystemVolumesCmd; +static Tcl_ObjCmdProc PathDirNameCmd; +static Tcl_ObjCmdProc PathExtensionCmd; +static Tcl_ObjCmdProc PathFilesystemCmd; +static Tcl_ObjCmdProc PathJoinCmd; +static Tcl_ObjCmdProc PathNativeNameCmd; +static Tcl_ObjCmdProc PathNormalizeCmd; +static Tcl_ObjCmdProc PathRootNameCmd; +static Tcl_ObjCmdProc PathSplitCmd; +static Tcl_ObjCmdProc PathTailCmd; +static Tcl_ObjCmdProc PathTypeCmd; /* *---------------------------------------------------------------------- @@ -882,13 +905,14 @@ ExprCallback( /* *---------------------------------------------------------------------- * - * Tcl_FileObjCmd -- + * TclInitFileCmd -- * - * This procedure is invoked to process the "file" Tcl command. See the - * user documentation for details on what it does. PLEASE NOTE THAT THIS - * FAILS WITH FILENAMES AND PATHS WITH EMBEDDED NULLS. With the - * object-based Tcl_FS APIs, the above NOTE may no longer be true. In any - * case this assertion should be tested. + * This function builds the "file" Tcl command ensemble. See the user + * documentation for details on what that ensemble does. + * + * PLEASE NOTE THAT THIS FAILS WITH FILENAMES AND PATHS WITH EMBEDDED + * NULLS. With the object-based Tcl_FS APIs, the above NOTE may no longer + * be true. In any case this assertion should be tested. * * Results: * A standard Tcl result. @@ -899,570 +923,1160 @@ ExprCallback( *---------------------------------------------------------------------- */ - /* ARGSUSED */ -int -Tcl_FileObjCmd( - ClientData dummy, /* Not used. */ - Tcl_Interp *interp, /* Current interpreter. */ - int objc, /* Number of arguments. */ - Tcl_Obj *const objv[]) /* Argument objects. */ +Tcl_Command +TclInitFileCmd( + Tcl_Interp *interp) { - int index, value; - Tcl_StatBuf buf; - struct utimbuf tval; - /* - * This list of constants should match the fileOption string array below. + * Note that most subcommands are unsafe because either they manipulate + * the native filesystem or because they reveal information about the + * native filesystem. */ - static const char *const fileOptions[] = { - "atime", "attributes", "channels", "copy", - "delete", - "dirname", "executable", "exists", "extension", - "isdirectory", "isfile", "join", "link", - "lstat", "mtime", "mkdir", "nativename", - "normalize", "owned", - "pathtype", "readable", "readlink", "rename", - "rootname", "separator", "size", "split", - "stat", "system", "tail", "tempfile", - "type", "volumes", "writable", - NULL + static const EnsembleImplMap initMap[] = { + {"atime", FileAttrAccessTimeCmd}, + {"attributes", TclFileAttrsCmd}, + {"channels", TclChannelNamesCmd}, + {"copy", TclFileCopyCmd}, + {"delete", TclFileDeleteCmd}, + {"dirname", PathDirNameCmd}, + {"executable", FileAttrIsExecutableCmd}, + {"exists", FileAttrIsExistingCmd}, + {"extension", PathExtensionCmd}, + {"isdirectory", FileAttrIsDirectoryCmd}, + {"isfile", FileAttrIsFileCmd}, + {"join", PathJoinCmd}, + {"link", TclFileLinkCmd}, + {"lstat", FileAttrLinkStatCmd}, + {"mtime", FileAttrModifyTimeCmd}, + {"mkdir", TclFileMakeDirsCmd}, + {"nativename", PathNativeNameCmd}, + {"normalize", PathNormalizeCmd}, + {"owned", FileAttrIsOwnedCmd}, + {"pathtype", PathTypeCmd}, + {"readable", FileAttrIsReadableCmd}, + {"readlink", TclFileReadLinkCmd}, + {"rename", TclFileRenameCmd}, + {"rootname", PathRootNameCmd}, + {"separator", FilesystemSeparatorCmd}, + {"size", FileAttrSizeCmd}, + {"split", PathSplitCmd}, + {"stat", FileAttrStatCmd}, + {"system", PathFilesystemCmd}, + {"tail", PathTailCmd}, + {"tempfile", TclFileTemporaryCmd}, + {"type", FileAttrTypeCmd}, + {"volumes", FilesystemVolumesCmd}, + {"writable", FileAttrIsWritableCmd}, + {NULL} }; - enum options { - FCMD_ATIME, FCMD_ATTRIBUTES, FCMD_CHANNELS, FCMD_COPY, - FCMD_DELETE, - FCMD_DIRNAME, FCMD_EXECUTABLE, FCMD_EXISTS, FCMD_EXTENSION, - FCMD_ISDIRECTORY, FCMD_ISFILE, FCMD_JOIN, FCMD_LINK, - FCMD_LSTAT, FCMD_MTIME, FCMD_MKDIR, FCMD_NATIVENAME, - FCMD_NORMALIZE, FCMD_OWNED, - FCMD_PATHTYPE, FCMD_READABLE, FCMD_READLINK, FCMD_RENAME, - FCMD_ROOTNAME, FCMD_SEPARATOR, FCMD_SIZE, FCMD_SPLIT, - FCMD_STAT, FCMD_SYSTEM, FCMD_TAIL, FCMD_TEMPFILE, - FCMD_TYPE, FCMD_VOLUMES, FCMD_WRITABLE + return TclMakeEnsemble(interp, "file", initMap); +} + +/* + *---------------------------------------------------------------------- + * + * TclMakeFileCommandSafe -- + * + * This function hides the unsafe subcommands of the "file" Tcl command + * ensemble. It must only be called from TclHideUnsafeCommands. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * Adds commands to the table of hidden commands. + * + *---------------------------------------------------------------------- + */ + +int +TclMakeFileCommandSafe( + Tcl_Interp *interp) +{ + static const struct { + const char *cmdName; + int unsafe; + } unsafeInfo[] = { + {"atime", 1}, + {"attributes", 1}, + {"channels", 0}, + {"copy", 1}, + {"delete", 1}, + {"dirname", 1}, + {"executable", 1}, + {"exists", 1}, + {"extension", 1}, + {"isdirectory", 1}, + {"isfile", 1}, + {"join", 0}, + {"link", 1}, + {"lstat", 1}, + {"mtime", 1}, + {"mkdir", 1}, + {"nativename", 1}, + {"normalize", 1}, + {"owned", 1}, + {"pathtype", 0}, + {"readable", 1}, + {"readlink", 1}, + {"rename", 1}, + {"rootname", 1}, + {"separator", 0}, + {"size", 1}, + {"split", 0}, + {"stat", 1}, + {"system", 0}, + {"tail", 1}, + {"tempfile", 1}, + {"type", 1}, + {"volumes", 1}, + {"writable", 1}, + {NULL} }; + int i; + Tcl_DString oldBuf, newBuf; + + Tcl_DStringInit(&oldBuf); + Tcl_DStringAppend(&oldBuf, "::tcl::file::", -1); + Tcl_DStringInit(&newBuf); + Tcl_DStringAppend(&newBuf, "tcl:file:", -1); + for (i=0 ; unsafeInfo[i].cmdName != NULL ; i++) { + if (unsafeInfo[i].unsafe) { + const char *oldName, *newName; + + Tcl_DStringSetLength(&oldBuf, 13); + oldName = Tcl_DStringAppend(&oldBuf, unsafeInfo[i].cmdName, -1); + Tcl_DStringSetLength(&newBuf, 9); + newName = Tcl_DStringAppend(&newBuf, unsafeInfo[i].cmdName, -1); + if (TclRenameCommand(interp, oldName, "___tmp") != TCL_OK + || Tcl_HideCommand(interp, "___tmp", newName) != TCL_OK) { + Tcl_Panic("problem making 'file %s' safe: %s", + unsafeInfo[i].cmdName, + Tcl_GetString(Tcl_GetObjResult(interp))); + } + } + } + Tcl_DStringFree(&oldBuf); + Tcl_DStringFree(&newBuf); + return TCL_OK; +} + +/* + *---------------------------------------------------------------------- + * + * FileAttrAccessTimeCmd -- + * + * This function is invoked to process the "file atime" Tcl command. See + * the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * May update the access time on the file, if requested by the user. + * + *---------------------------------------------------------------------- + */ - if (objc < 2) { - Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?"); +static int +FileAttrAccessTimeCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + Tcl_StatBuf buf; + struct utimbuf tval; + + if (objc < 2 || objc > 3) { + Tcl_WrongNumArgs(interp, 1, objv, "name ?time?"); return TCL_ERROR; } - if (Tcl_GetIndexFromObj(interp, objv[1], fileOptions, "option", 0, - &index) != TCL_OK) { + if (GetStatBuf(interp, objv[1], Tcl_FSStat, &buf) != TCL_OK) { return TCL_ERROR; } + if (objc == 3) { + /* + * Need separate variable for reading longs from an object on 64-bit + * platforms. [Bug 698146] + */ - switch ((enum options) index) { + long newTime; - case FCMD_ATIME: - case FCMD_MTIME: - if ((objc < 3) || (objc > 4)) { - Tcl_WrongNumArgs(interp, 2, objv, "name ?time?"); + if (TclGetLongFromObj(interp, objv[2], &newTime) != TCL_OK) { return TCL_ERROR; } - if (GetStatBuf(interp, objv[2], Tcl_FSStat, &buf) != TCL_OK) { + + tval.actime = newTime; + 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); return TCL_ERROR; } - if (objc == 4) { - /* - * Need separate variable for reading longs from an object on - * 64-bit platforms. [Bug #698146] - */ - long newTime; + /* + * Do another stat to ensure that the we return the new recognized + * atime - hopefully the same as the one we sent in. However, fs's + * like FAT don't even know what atime is. + */ - if (TclGetLongFromObj(interp, objv[3], &newTime) != TCL_OK) { - return TCL_ERROR; - } + if (GetStatBuf(interp, objv[1], Tcl_FSStat, &buf) != TCL_OK) { + return TCL_ERROR; + } + } - if (index == FCMD_ATIME) { - tval.actime = newTime; - tval.modtime = buf.st_mtime; - } else { /* index == FCMD_MTIME */ - tval.actime = buf.st_atime; - tval.modtime = newTime; - } + Tcl_SetObjResult(interp, Tcl_NewLongObj((long) buf.st_atime)); + return TCL_OK; +} + +/* + *---------------------------------------------------------------------- + * + * FileAttrModifyTimeCmd -- + * + * This function is invoked to process the "file mtime" Tcl command. See + * the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * May update the modification time on the file, if requested by the + * user. + * + *---------------------------------------------------------------------- + */ - if (Tcl_FSUtime(objv[2], &tval) != 0) { - Tcl_AppendResult(interp, "could not set ", - (index == FCMD_ATIME ? "access" : "modification"), - " time for file \"", TclGetString(objv[2]), "\": ", - Tcl_PosixError(interp), NULL); - return TCL_ERROR; - } +static int +FileAttrModifyTimeCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + Tcl_StatBuf buf; + struct utimbuf tval; - /* - * Do another stat to ensure that the we return the new recognized - * atime - hopefully the same as the one we sent in. However, fs's - * like FAT don't even know what atime is. - */ + if (objc < 2 || objc > 3) { + Tcl_WrongNumArgs(interp, 1, objv, "name ?time?"); + return TCL_ERROR; + } + if (GetStatBuf(interp, objv[1], Tcl_FSStat, &buf) != TCL_OK) { + return TCL_ERROR; + } + if (objc == 3) { + /* + * Need separate variable for reading longs from an object on 64-bit + * platforms. [Bug 698146] + */ - if (GetStatBuf(interp, objv[2], Tcl_FSStat, &buf) != TCL_OK) { - return TCL_ERROR; - } - } + long newTime; - Tcl_SetObjResult(interp, Tcl_NewLongObj((long) - (index == FCMD_ATIME ? buf.st_atime : buf.st_mtime))); - return TCL_OK; - case FCMD_ATTRIBUTES: - return TclFileAttrsCmd(interp, objc, objv); - case FCMD_CHANNELS: - if ((objc < 2) || (objc > 3)) { - Tcl_WrongNumArgs(interp, 2, objv, "?pattern?"); + if (TclGetLongFromObj(interp, objv[2], &newTime) != TCL_OK) { return TCL_ERROR; } - return Tcl_GetChannelNamesEx(interp, - ((objc == 2) ? NULL : TclGetString(objv[2]))); - case FCMD_COPY: - return TclFileCopyCmd(interp, objc, objv); - case FCMD_DELETE: - return TclFileDeleteCmd(interp, objc, objv); - case FCMD_DIRNAME: { - Tcl_Obj *dirPtr; - - if (objc != 3) { - goto only3Args; - } - dirPtr = TclPathPart(interp, objv[2], TCL_PATH_DIRNAME); - if (dirPtr == NULL) { + + tval.actime = buf.st_atime; + 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); return TCL_ERROR; } - Tcl_SetObjResult(interp, dirPtr); - Tcl_DecrRefCount(dirPtr); - return TCL_OK; - } - case FCMD_EXECUTABLE: - if (objc != 3) { - goto only3Args; - } - return CheckAccess(interp, objv[2], X_OK); - case FCMD_EXISTS: - if (objc != 3) { - goto only3Args; - } - return CheckAccess(interp, objv[2], F_OK); - case FCMD_EXTENSION: { - Tcl_Obj *ext; - if (objc != 3) { - goto only3Args; - } - ext = TclPathPart(interp, objv[2], TCL_PATH_EXTENSION); - if (ext == NULL) { + /* + * Do another stat to ensure that the we return the new recognized + * mtime - hopefully the same as the one we sent in. + */ + + if (GetStatBuf(interp, objv[1], Tcl_FSStat, &buf) != TCL_OK) { return TCL_ERROR; } - Tcl_SetObjResult(interp, ext); - Tcl_DecrRefCount(ext); - return TCL_OK; } - case FCMD_ISDIRECTORY: - if (objc != 3) { - goto only3Args; - } - value = 0; - if (GetStatBuf(NULL, objv[2], Tcl_FSStat, &buf) == TCL_OK) { - value = S_ISDIR(buf.st_mode); - } - Tcl_SetObjResult(interp, Tcl_NewBooleanObj(value)); - return TCL_OK; - case FCMD_ISFILE: - if (objc != 3) { - goto only3Args; - } - value = 0; - if (GetStatBuf(NULL, objv[2], Tcl_FSStat, &buf) == TCL_OK) { - value = S_ISREG(buf.st_mode); - } - Tcl_SetObjResult(interp, Tcl_NewBooleanObj(value)); - return TCL_OK; - case FCMD_OWNED: - if (objc != 3) { - goto only3Args; - } - value = 0; - if (GetStatBuf(NULL, objv[2], Tcl_FSStat, &buf) == TCL_OK) { - /* - * For Windows, there are no user ids associated with a file, so - * we always return 1. - * - * TODO: use GetSecurityInfo to get the real owner of the file and - * test for equivalence to the current user. - */ -#if defined(__WIN32__) - value = 1; -#else - value = (geteuid() == buf.st_uid); -#endif - } - Tcl_SetObjResult(interp, Tcl_NewBooleanObj(value)); - return TCL_OK; - case FCMD_JOIN: { - Tcl_Obj *resObj; + Tcl_SetObjResult(interp, Tcl_NewLongObj((long) buf.st_mtime)); + return TCL_OK; +} + +/* + *---------------------------------------------------------------------- + * + * FileAttrLinkStatCmd -- + * + * This function is invoked to process the "file lstat" Tcl command. See + * the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * Writes to an array named by the user. + * + *---------------------------------------------------------------------- + */ - if (objc < 3) { - Tcl_WrongNumArgs(interp, 2, objv, "name ?name ...?"); - return TCL_ERROR; - } - resObj = Tcl_FSJoinToPath(NULL, objc - 2, objv + 2); - Tcl_SetObjResult(interp, resObj); - return TCL_OK; +static int +FileAttrLinkStatCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + Tcl_StatBuf buf; + + if (objc != 3) { + Tcl_WrongNumArgs(interp, 1, objv, "name varName"); + return TCL_ERROR; + } + if (GetStatBuf(interp, objv[1], Tcl_FSLstat, &buf) != TCL_OK) { + return TCL_ERROR; } - case FCMD_LINK: { - Tcl_Obj *contents; + return StoreStatData(interp, objv[2], &buf); +} + +/* + *---------------------------------------------------------------------- + * + * FileAttrStatCmd -- + * + * This function is invoked to process the "file stat" Tcl command. See + * the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * Writes to an array named by the user. + * + *---------------------------------------------------------------------- + */ - if (objc < 3 || objc > 5) { - Tcl_WrongNumArgs(interp, 2, objv, "?-linktype? linkname ?target?"); - return TCL_ERROR; - } +static int +FileAttrStatCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + Tcl_StatBuf buf; + + if (objc != 3) { + Tcl_WrongNumArgs(interp, 1, objv, "name varName"); + return TCL_ERROR; + } + if (GetStatBuf(interp, objv[1], Tcl_FSStat, &buf) != TCL_OK) { + return TCL_ERROR; + } + return StoreStatData(interp, objv[2], &buf); +} + +/* + *---------------------------------------------------------------------- + * + * FileAttrTypeCmd -- + * + * This function is invoked to process the "file type" Tcl command. See + * the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ +static int +FileAttrTypeCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + Tcl_StatBuf buf; + + if (objc != 2) { + Tcl_WrongNumArgs(interp, 1, objv, "name"); + return TCL_ERROR; + } + if (GetStatBuf(interp, objv[1], Tcl_FSLstat, &buf) != TCL_OK) { + return TCL_ERROR; + } + Tcl_SetObjResult(interp, Tcl_NewStringObj( + GetTypeFromMode((unsigned short) buf.st_mode), -1)); + return TCL_OK; +} + +/* + *---------------------------------------------------------------------- + * + * FileAttrSizeCmd -- + * + * This function is invoked to process the "file size" Tcl command. See + * the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +static int +FileAttrSizeCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + Tcl_StatBuf buf; + + if (objc != 2) { + Tcl_WrongNumArgs(interp, 1, objv, "name"); + return TCL_ERROR; + } + if (GetStatBuf(interp, objv[1], Tcl_FSStat, &buf) != TCL_OK) { + return TCL_ERROR; + } + Tcl_SetObjResult(interp, Tcl_NewWideIntObj((Tcl_WideInt) buf.st_size)); + return TCL_OK; +} + +/* + *---------------------------------------------------------------------- + * + * FileAttrIsDirectoryCmd -- + * + * This function is invoked to process the "file isdirectory" Tcl + * command. See the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +static int +FileAttrIsDirectoryCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + Tcl_StatBuf buf; + int value = 0; + + if (objc != 2) { + Tcl_WrongNumArgs(interp, 1, objv, "name"); + return TCL_ERROR; + } + if (GetStatBuf(NULL, objv[1], Tcl_FSStat, &buf) == TCL_OK) { + value = S_ISDIR(buf.st_mode); + } + Tcl_SetObjResult(interp, Tcl_NewBooleanObj(value)); + return TCL_OK; +} + +/* + *---------------------------------------------------------------------- + * + * FileAttrIsExecutableCmd -- + * + * This function is invoked to process the "file executable" Tcl command. + * See the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +static int +FileAttrIsExecutableCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + if (objc != 2) { + Tcl_WrongNumArgs(interp, 1, objv, "name"); + return TCL_ERROR; + } + return CheckAccess(interp, objv[1], X_OK); +} + +/* + *---------------------------------------------------------------------- + * + * FileAttrIsExistingCmd -- + * + * This function is invoked to process the "file exists" Tcl command. See + * the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +static int +FileAttrIsExistingCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + if (objc != 2) { + Tcl_WrongNumArgs(interp, 1, objv, "name"); + return TCL_ERROR; + } + return CheckAccess(interp, objv[1], F_OK); +} + +/* + *---------------------------------------------------------------------- + * + * FileAttrIsFileCmd -- + * + * This function is invoked to process the "file isfile" Tcl command. See + * the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +static int +FileAttrIsFileCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + Tcl_StatBuf buf; + int value = 0; + + if (objc != 2) { + Tcl_WrongNumArgs(interp, 1, objv, "name"); + return TCL_ERROR; + } + if (GetStatBuf(NULL, objv[1], Tcl_FSStat, &buf) == TCL_OK) { + value = S_ISREG(buf.st_mode); + } + Tcl_SetObjResult(interp, Tcl_NewBooleanObj(value)); + return TCL_OK; +} + +/* + *---------------------------------------------------------------------- + * + * FileAttrIsOwnedCmd -- + * + * This function is invoked to process the "file owned" Tcl command. See + * the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +static int +FileAttrIsOwnedCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + Tcl_StatBuf buf; + int value = 0; + + if (objc != 2) { + Tcl_WrongNumArgs(interp, 1, objv, "name"); + return TCL_ERROR; + } + if (GetStatBuf(NULL, objv[1], Tcl_FSStat, &buf) == TCL_OK) { /* - * Index of the 'source' argument. + * For Windows, there are no user ids associated with a file, so we + * always return 1. + * + * TODO: use GetSecurityInfo to get the real owner of the file and + * test for equivalence to the current user. */ - if (objc == 5) { - index = 3; - } else { - index = 2; - } +#ifdef __WIN32__ + value = 1; +#else + value = (geteuid() == buf.st_uid); +#endif + } + Tcl_SetObjResult(interp, Tcl_NewBooleanObj(value)); + return TCL_OK; +} + +/* + *---------------------------------------------------------------------- + * + * FileAttrIsReadableCmd -- + * + * This function is invoked to process the "file readable" Tcl command. + * See the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ - if (objc > 3) { - int linkAction; - if (objc == 5) { - /* - * We have a '-linktype' argument. - */ - - static const char *const linkTypes[] = { - "-symbolic", "-hard", NULL - }; - if (Tcl_GetIndexFromObj(interp, objv[2], linkTypes, "switch", - 0, &linkAction) != TCL_OK) { - return TCL_ERROR; - } - if (linkAction == 0) { - linkAction = TCL_CREATE_SYMBOLIC_LINK; - } else { - linkAction = TCL_CREATE_HARD_LINK; - } - } else { - linkAction = TCL_CREATE_SYMBOLIC_LINK|TCL_CREATE_HARD_LINK; - } - if (Tcl_FSConvertToPathType(interp, objv[index]) != TCL_OK) { - return TCL_ERROR; - } +static int +FileAttrIsReadableCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + if (objc != 2) { + Tcl_WrongNumArgs(interp, 1, objv, "name"); + return TCL_ERROR; + } + return CheckAccess(interp, objv[1], R_OK); +} + +/* + *---------------------------------------------------------------------- + * + * FileAttrIsWritableCmd -- + * + * This function is invoked to process the "file writable" Tcl command. + * See the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ - /* - * Create link from source to target. - */ +static int +FileAttrIsWritableCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + if (objc != 2) { + Tcl_WrongNumArgs(interp, 1, objv, "name"); + return TCL_ERROR; + } + return CheckAccess(interp, objv[1], W_OK); +} + +/* + *---------------------------------------------------------------------- + * + * PathDirNameCmd -- + * + * This function is invoked to process the "file dirname" Tcl command. + * See the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ - contents = Tcl_FSLink(objv[index], objv[index+1], linkAction); - if (contents == NULL) { - /* - * We handle three common error cases specially, and for all - * other errors, we use the standard posix error message. - */ - - if (errno == EEXIST) { - Tcl_AppendResult(interp, "could not create new link \"", - TclGetString(objv[index]), - "\": that path already exists", NULL); - } else if (errno == ENOENT) { - /* - * There are two cases here: either the target doesn't - * exist, or the directory of the src doesn't exist. - */ - - int access; - Tcl_Obj *dirPtr = TclPathPart(interp, objv[index], - TCL_PATH_DIRNAME); - - if (dirPtr == NULL) { - return TCL_ERROR; - } - access = Tcl_FSAccess(dirPtr, F_OK); - Tcl_DecrRefCount(dirPtr); - if (access != 0) { - Tcl_AppendResult(interp, - "could not create new link \"", - TclGetString(objv[index]), - "\": no such file or directory", NULL); - } else { - Tcl_AppendResult(interp, - "could not create new link \"", - TclGetString(objv[index]), "\": target \"", - TclGetString(objv[index+1]), - "\" doesn't exist", NULL); - } - } else { - Tcl_AppendResult(interp, - "could not create new link \"", - TclGetString(objv[index]), "\" pointing to \"", - TclGetString(objv[index+1]), "\": ", - Tcl_PosixError(interp), NULL); - } - return TCL_ERROR; - } - } else { - if (Tcl_FSConvertToPathType(interp, objv[index]) != TCL_OK) { - return TCL_ERROR; - } +static int +PathDirNameCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + Tcl_Obj *dirPtr; - /* - * Read link - */ + if (objc != 2) { + Tcl_WrongNumArgs(interp, 1, objv, "name"); + return TCL_ERROR; + } + dirPtr = TclPathPart(interp, objv[1], TCL_PATH_DIRNAME); + if (dirPtr == NULL) { + return TCL_ERROR; + } + Tcl_SetObjResult(interp, dirPtr); + Tcl_DecrRefCount(dirPtr); + return TCL_OK; +} + +/* + *---------------------------------------------------------------------- + * + * PathExtensionCmd -- + * + * This function is invoked to process the "file extension" Tcl command. + * See the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ - contents = Tcl_FSLink(objv[index], NULL, 0); - if (contents == NULL) { - Tcl_AppendResult(interp, "could not read link \"", - TclGetString(objv[index]), "\": ", - Tcl_PosixError(interp), NULL); - return TCL_ERROR; - } - } - Tcl_SetObjResult(interp, contents); - if (objc == 3) { - /* - * If we are reading a link, we need to free this result refCount. - * If we are creating a link, this will just be objv[index+1], and - * so we don't own it. - */ +static int +PathExtensionCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + Tcl_Obj *dirPtr; - Tcl_DecrRefCount(contents); - } - return TCL_OK; + if (objc != 2) { + Tcl_WrongNumArgs(interp, 1, objv, "name"); + return TCL_ERROR; } - case FCMD_LSTAT: - if (objc != 4) { - Tcl_WrongNumArgs(interp, 2, objv, "name varName"); - return TCL_ERROR; - } - if (GetStatBuf(interp, objv[2], Tcl_FSLstat, &buf) != TCL_OK) { - return TCL_ERROR; - } - return StoreStatData(interp, objv[3], &buf); - case FCMD_STAT: - if (objc != 4) { - Tcl_WrongNumArgs(interp, 2, objv, "name varName"); - return TCL_ERROR; - } - if (GetStatBuf(interp, objv[2], Tcl_FSStat, &buf) != TCL_OK) { - return TCL_ERROR; - } - return StoreStatData(interp, objv[3], &buf); - case FCMD_SIZE: - if (objc != 3) { - goto only3Args; - } - if (GetStatBuf(interp, objv[2], Tcl_FSStat, &buf) != TCL_OK) { - return TCL_ERROR; - } - Tcl_SetObjResult(interp, - Tcl_NewWideIntObj((Tcl_WideInt) buf.st_size)); - return TCL_OK; - case FCMD_TYPE: - if (objc != 3) { - goto only3Args; - } - if (GetStatBuf(interp, objv[2], Tcl_FSLstat, &buf) != TCL_OK) { - return TCL_ERROR; - } - Tcl_SetObjResult(interp, Tcl_NewStringObj( - GetTypeFromMode((unsigned short) buf.st_mode), -1)); - return TCL_OK; - case FCMD_MKDIR: - return TclFileMakeDirsCmd(interp, objc, objv); - case FCMD_NATIVENAME: { - const char *fileName; - Tcl_DString ds; - - if (objc != 3) { - goto only3Args; - } - fileName = TclGetString(objv[2]); - fileName = Tcl_TranslateFileName(interp, fileName, &ds); - if (fileName == NULL) { - return TCL_ERROR; - } - Tcl_SetObjResult(interp, Tcl_NewStringObj(fileName, - Tcl_DStringLength(&ds))); - Tcl_DStringFree(&ds); - return TCL_OK; + dirPtr = TclPathPart(interp, objv[1], TCL_PATH_EXTENSION); + if (dirPtr == NULL) { + return TCL_ERROR; } - case FCMD_NORMALIZE: { - Tcl_Obj *fileName; + Tcl_SetObjResult(interp, dirPtr); + Tcl_DecrRefCount(dirPtr); + return TCL_OK; +} + +/* + *---------------------------------------------------------------------- + * + * PathRootNameCmd -- + * + * This function is invoked to process the "file root" Tcl command. See + * the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ - if (objc != 3) { - Tcl_WrongNumArgs(interp, 2, objv, "filename"); - return TCL_ERROR; - } +static int +PathRootNameCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + Tcl_Obj *dirPtr; - fileName = Tcl_FSGetNormalizedPath(interp, objv[2]); - if (fileName == NULL) { - return TCL_ERROR; - } - Tcl_SetObjResult(interp, fileName); - return TCL_OK; + if (objc != 2) { + Tcl_WrongNumArgs(interp, 1, objv, "name"); + return TCL_ERROR; + } + dirPtr = TclPathPart(interp, objv[1], TCL_PATH_ROOT); + if (dirPtr == NULL) { + return TCL_ERROR; } - case FCMD_PATHTYPE: { - Tcl_Obj *typeName; + Tcl_SetObjResult(interp, dirPtr); + Tcl_DecrRefCount(dirPtr); + return TCL_OK; +} + +/* + *---------------------------------------------------------------------- + * + * PathTailCmd -- + * + * This function is invoked to process the "file tail" Tcl command. See + * the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ - if (objc != 3) { - goto only3Args; - } +static int +PathTailCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + Tcl_Obj *dirPtr; - switch (Tcl_FSGetPathType(objv[2])) { - case TCL_PATH_ABSOLUTE: - TclNewLiteralStringObj(typeName, "absolute"); - break; - case TCL_PATH_RELATIVE: - TclNewLiteralStringObj(typeName, "relative"); - break; - case TCL_PATH_VOLUME_RELATIVE: - TclNewLiteralStringObj(typeName, "volumerelative"); - break; - default: - return TCL_OK; - } - Tcl_SetObjResult(interp, typeName); - return TCL_OK; + if (objc != 2) { + Tcl_WrongNumArgs(interp, 1, objv, "name"); + return TCL_ERROR; } - case FCMD_READABLE: - if (objc != 3) { - goto only3Args; - } - return CheckAccess(interp, objv[2], R_OK); - case FCMD_READLINK: { - Tcl_Obj *contents; + dirPtr = TclPathPart(interp, objv[1], TCL_PATH_TAIL); + if (dirPtr == NULL) { + return TCL_ERROR; + } + Tcl_SetObjResult(interp, dirPtr); + Tcl_DecrRefCount(dirPtr); + return TCL_OK; +} + +/* + *---------------------------------------------------------------------- + * + * PathFilesystemCmd -- + * + * This function is invoked to process the "file system" Tcl command. See + * the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ - if (objc != 3) { - goto only3Args; - } +static int +PathFilesystemCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + Tcl_Obj *fsInfo; - if (Tcl_FSConvertToPathType(interp, objv[2]) != TCL_OK) { - return TCL_ERROR; - } + if (objc != 2) { + Tcl_WrongNumArgs(interp, 1, objv, "name"); + return TCL_ERROR; + } + fsInfo = Tcl_FSFileSystemInfo(objv[1]); + if (fsInfo == NULL) { + Tcl_SetResult(interp, "unrecognised path", TCL_STATIC); + return TCL_ERROR; + } + Tcl_SetObjResult(interp, fsInfo); + return TCL_OK; +} + +/* + *---------------------------------------------------------------------- + * + * PathJoinCmd -- + * + * This function is invoked to process the "file join" Tcl command. See + * the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +static int +PathJoinCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + if (objc < 2) { + Tcl_WrongNumArgs(interp, 1, objv, "name ?name ...?"); + return TCL_ERROR; + } + Tcl_SetObjResult(interp, Tcl_FSJoinToPath(NULL, objc - 1, objv + 1)); + return TCL_OK; +} + +/* + *---------------------------------------------------------------------- + * + * PathNativeNameCmd -- + * + * This function is invoked to process the "file nativename" Tcl command. + * See the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ - contents = Tcl_FSLink(objv[2], NULL, 0); +static int +PathNativeNameCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + const char *fileName; + Tcl_DString ds; - if (contents == NULL) { - Tcl_AppendResult(interp, "could not readlink \"", - TclGetString(objv[2]), "\": ", Tcl_PosixError(interp), - NULL); - return TCL_ERROR; - } - Tcl_SetObjResult(interp, contents); - Tcl_DecrRefCount(contents); - return TCL_OK; + if (objc != 2) { + Tcl_WrongNumArgs(interp, 1, objv, "name"); + return TCL_ERROR; } - case FCMD_RENAME: - return TclFileRenameCmd(interp, objc, objv); - case FCMD_ROOTNAME: { - Tcl_Obj *root; + fileName = Tcl_TranslateFileName(interp, TclGetString(objv[1]), &ds); + if (fileName == NULL) { + return TCL_ERROR; + } + Tcl_SetObjResult(interp, Tcl_NewStringObj(fileName, + Tcl_DStringLength(&ds))); + Tcl_DStringFree(&ds); + return TCL_OK; +} + +/* + *---------------------------------------------------------------------- + * + * PathNormalizeCmd -- + * + * This function is invoked to process the "file normalize" Tcl command. + * See the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ - if (objc != 3) { - goto only3Args; - } - root = TclPathPart(interp, objv[2], TCL_PATH_ROOT); - if (root == NULL) { - return TCL_ERROR; - } - Tcl_SetObjResult(interp, root); - Tcl_DecrRefCount(root); - return TCL_OK; +static int +PathNormalizeCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + Tcl_Obj *fileName; + + if (objc != 2) { + Tcl_WrongNumArgs(interp, 1, objv, "name"); + return TCL_ERROR; } - case FCMD_SEPARATOR: - if ((objc < 2) || (objc > 3)) { - Tcl_WrongNumArgs(interp, 2, objv, "?name?"); - return TCL_ERROR; - } - if (objc == 2) { - const char *separator = NULL; /* lint */ + fileName = Tcl_FSGetNormalizedPath(interp, objv[1]); + if (fileName == NULL) { + return TCL_ERROR; + } + Tcl_SetObjResult(interp, fileName); + return TCL_OK; +} + +/* + *---------------------------------------------------------------------- + * + * PathSplitCmd -- + * + * This function is invoked to process the "file split" Tcl command. See + * the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ - switch (tclPlatform) { - case TCL_PLATFORM_UNIX: - separator = "/"; - break; - case TCL_PLATFORM_WINDOWS: - separator = "\\"; - break; - } - Tcl_SetObjResult(interp, Tcl_NewStringObj(separator, 1)); - } else { - Tcl_Obj *separatorObj = Tcl_FSPathSeparator(objv[2]); +static int +PathSplitCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + Tcl_Obj *res; - if (separatorObj == NULL) { - Tcl_SetResult(interp, "Unrecognised path", TCL_STATIC); - return TCL_ERROR; - } - Tcl_SetObjResult(interp, separatorObj); - } - return TCL_OK; - case FCMD_SPLIT: { - Tcl_Obj *res; + if (objc != 2) { + Tcl_WrongNumArgs(interp, 1, objv, "name"); + return TCL_ERROR; + } + res = Tcl_FSSplitPath(objv[1], NULL); + if (res == NULL) { + Tcl_AppendResult(interp, "could not read \"", TclGetString(objv[1]), + "\": no such file or directory", NULL); + return TCL_ERROR; + } + Tcl_SetObjResult(interp, res); + return TCL_OK; +} + +/* + *---------------------------------------------------------------------- + * + * PathTypeCmd -- + * + * This function is invoked to process the "file pathtype" Tcl command. + * See the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ - if (objc != 3) { - goto only3Args; - } - res = Tcl_FSSplitPath(objv[2], NULL); - if (res == NULL) { - /* How can the interp be NULL here?! DKF */ - if (interp != NULL) { - Tcl_AppendResult(interp, "could not read \"", - TclGetString(objv[2]), - "\": no such file or directory", NULL); - } - return TCL_ERROR; - } - Tcl_SetObjResult(interp, res); +static int +PathTypeCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + Tcl_Obj *typeName; + + if (objc != 2) { + Tcl_WrongNumArgs(interp, 1, objv, "name"); + return TCL_ERROR; + } + switch (Tcl_FSGetPathType(objv[1])) { + case TCL_PATH_ABSOLUTE: + TclNewLiteralStringObj(typeName, "absolute"); + break; + case TCL_PATH_RELATIVE: + TclNewLiteralStringObj(typeName, "relative"); + break; + case TCL_PATH_VOLUME_RELATIVE: + TclNewLiteralStringObj(typeName, "volumerelative"); + break; + default: + /* Should be unreachable */ return TCL_OK; } - case FCMD_SYSTEM: { - Tcl_Obj *fsInfo; + Tcl_SetObjResult(interp, typeName); + return TCL_OK; +} + +/* + *---------------------------------------------------------------------- + * + * FilesystemSeparatorCmd -- + * + * This function is invoked to process the "file separator" Tcl command. + * See the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ - if (objc != 3) { - goto only3Args; - } - fsInfo = Tcl_FSFileSystemInfo(objv[2]); - if (fsInfo == NULL) { - Tcl_SetResult(interp, "Unrecognised path", TCL_STATIC); - return TCL_ERROR; - } - Tcl_SetObjResult(interp, fsInfo); - return TCL_OK; +static int +FilesystemSeparatorCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + if (objc < 1 || objc > 2) { + Tcl_WrongNumArgs(interp, 1, objv, "?name?"); + return TCL_ERROR; } - case FCMD_TAIL: { - Tcl_Obj *dirPtr; + if (objc == 1) { + const char *separator = NULL; /* lint */ - if (objc != 3) { - goto only3Args; - } - dirPtr = TclPathPart(interp, objv[2], TCL_PATH_TAIL); - if (dirPtr == NULL) { - return TCL_ERROR; + switch (tclPlatform) { + case TCL_PLATFORM_UNIX: + separator = "/"; + break; + case TCL_PLATFORM_WINDOWS: + separator = "\\"; + break; } - Tcl_SetObjResult(interp, dirPtr); - Tcl_DecrRefCount(dirPtr); - return TCL_OK; - } - case FCMD_TEMPFILE: - return FileTempfileCmd(interp, objc, objv); - case FCMD_VOLUMES: - if (objc != 2) { - Tcl_WrongNumArgs(interp, 2, objv, NULL); + Tcl_SetObjResult(interp, Tcl_NewStringObj(separator, 1)); + } else { + Tcl_Obj *separatorObj = Tcl_FSPathSeparator(objv[1]); + + if (separatorObj == NULL) { + Tcl_SetResult(interp, "unrecognised path", TCL_STATIC); return TCL_ERROR; } - Tcl_SetObjResult(interp, Tcl_FSListVolumes()); - return TCL_OK; - case FCMD_WRITABLE: - if (objc != 3) { - goto only3Args; - } - return CheckAccess(interp, objv[2], W_OK); + Tcl_SetObjResult(interp, separatorObj); } + return TCL_OK; +} + +/* + *---------------------------------------------------------------------- + * + * FilesystemVolumesCmd -- + * + * This function is invoked to process the "file volumes" Tcl command. + * See the user documentation for details on what it does. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ - only3Args: - Tcl_WrongNumArgs(interp, 2, objv, "name"); - return TCL_ERROR; +static int +FilesystemVolumesCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + if (objc != 1) { + Tcl_WrongNumArgs(interp, 1, objv, NULL); + return TCL_ERROR; + } + Tcl_SetObjResult(interp, Tcl_FSListVolumes()); + return TCL_OK; } /* @@ -1590,13 +2204,13 @@ StoreStatData( */ #define STORE_ARY(fieldName, object) \ - TclNewLiteralStringObj(field, fieldName); \ - Tcl_IncrRefCount(field); \ - value = (object); \ + TclNewLiteralStringObj(field, fieldName); \ + Tcl_IncrRefCount(field); \ + value = (object); \ if (Tcl_ObjSetVar2(interp,varName,field,value,TCL_LEAVE_ERR_MSG)==NULL) { \ - TclDecrRefCount(field); \ - return TCL_ERROR; \ - } \ + TclDecrRefCount(field); \ + return TCL_ERROR; \ + } \ TclDecrRefCount(field); /* @@ -1670,165 +2284,6 @@ GetTypeFromMode( } /* - *--------------------------------------------------------------------------- - * - * FileTempfileCmd - * - * This function implements the "tempfile" subcommand of the "file" - * command. - * - * Results: - * Returns a standard Tcl result. - * - * Side effects: - * Creates a temporary file. Opens a channel to that file and puts the - * name of that channel in the result. *Might* register suitable exit - * handlers to ensure that the temporary file gets deleted. Might write - * to a variable, so reentrancy is a potential issue. - * - *--------------------------------------------------------------------------- - */ - -static int -FileTempfileCmd( - Tcl_Interp *interp, - int objc, - Tcl_Obj *const objv[]) -{ - Tcl_Obj *nameVarObj = NULL; /* Variable to store the name of the temporary - * file in. */ - Tcl_Obj *nameObj = NULL; /* Object that will contain the filename. */ - Tcl_Channel chan; /* The channel opened (RDWR) on the temporary - * file, or NULL if there's an error. */ - Tcl_Obj *tempDirObj = NULL, *tempBaseObj = NULL, *tempExtObj = NULL; - /* Pieces of template. Each piece is NULL if - * it is omitted. The platform temporary file - * engine might ignore some pieces. */ - - if (objc < 2 || objc > 4) { - Tcl_WrongNumArgs(interp, 2, objv, "?nameVar? ?template?"); - return TCL_ERROR; - } - - if (objc > 2) { - nameVarObj = objv[2]; - TclNewObj(nameObj); - } - if (objc > 3) { - int length; - const char *string = TclGetStringFromObj(objv[3], &length); - - /* - * Treat an empty string as if it wasn't there. - */ - - if (length == 0) { - goto makeTemporary; - } - - /* - * The template only gives a directory if there is a directory - * separator in it. - */ - - if (strchr(string, '/') != NULL - || (tclPlatform == TCL_PLATFORM_WINDOWS - && strchr(string, '\\') != NULL)) { - tempDirObj = TclPathPart(interp, objv[3], TCL_PATH_DIRNAME); - - /* - * Only allow creation of temporary files in the native filesystem - * since they are frequently used for integration with external - * tools or system libraries. [Bug 2388866] - */ - - if (tempDirObj != NULL && Tcl_FSGetFileSystemForPath(tempDirObj) - != &tclNativeFilesystem) { - TclDecrRefCount(tempDirObj); - tempDirObj = NULL; - } - } - - /* - * The template only gives the filename if the last character isn't a - * directory separator. - */ - - if (string[length-1] != '/' && (tclPlatform != TCL_PLATFORM_WINDOWS - || string[length-1] != '\\')) { - Tcl_Obj *tailObj = TclPathPart(interp, objv[3], TCL_PATH_TAIL); - - if (tailObj != NULL) { - tempBaseObj = TclPathPart(interp, tailObj, TCL_PATH_ROOT); - tempExtObj = TclPathPart(interp, tailObj, TCL_PATH_EXTENSION); - TclDecrRefCount(tailObj); - } - } - } - - /* - * Convert empty parts of the template into unspecified parts. - */ - - if (tempDirObj && !TclGetString(tempDirObj)[0]) { - TclDecrRefCount(tempDirObj); - tempDirObj = NULL; - } - if (tempBaseObj && !TclGetString(tempBaseObj)[0]) { - TclDecrRefCount(tempBaseObj); - tempBaseObj = NULL; - } - if (tempExtObj && !TclGetString(tempExtObj)[0]) { - TclDecrRefCount(tempExtObj); - tempExtObj = NULL; - } - - /* - * Create and open the temporary file. - */ - - makeTemporary: - chan = TclpOpenTemporaryFile(tempDirObj,tempBaseObj,tempExtObj, nameObj); - - /* - * If we created pieces of template, get rid of them now. - */ - - if (tempDirObj) { - TclDecrRefCount(tempDirObj); - } - if (tempBaseObj) { - TclDecrRefCount(tempBaseObj); - } - if (tempExtObj) { - TclDecrRefCount(tempExtObj); - } - - /* - * Deal with results. - */ - - if (chan == NULL) { - if (nameVarObj) { - TclDecrRefCount(nameObj); - } - Tcl_AppendResult(interp, "can't create temporary file: ", - Tcl_PosixError(interp), NULL); - return TCL_ERROR; - } - Tcl_RegisterChannel(interp, chan); - if (nameVarObj != NULL) { - if (Tcl_ObjSetVar2(interp, nameVarObj, NULL, nameObj, - TCL_LEAVE_ERR_MSG) == NULL) { - Tcl_UnregisterChannel(interp, chan); - return TCL_ERROR; - } - } - Tcl_AppendResult(interp, Tcl_GetChannelName(chan), NULL); - return TCL_OK; -} - -/* *---------------------------------------------------------------------- * * Tcl_ForObjCmd -- |