diff options
Diffstat (limited to 'generic/tclCmdAH.c')
| -rw-r--r-- | generic/tclCmdAH.c | 2005 |
1 files changed, 1287 insertions, 718 deletions
diff --git a/generic/tclCmdAH.c b/generic/tclCmdAH.c index 6456bd5..d90a747 100644 --- a/generic/tclCmdAH.c +++ b/generic/tclCmdAH.c @@ -9,13 +9,10 @@ * * 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 1.124 2010/03/05 14:34:03 dkf Exp $ */ #include "tclInt.h" #include <locale.h> -#include "tclFileSystem.h" /* * The state structure used by [foreach]. Note that the actual structure has @@ -35,6 +32,9 @@ struct ForeachState { int *argcList; /* Array of value list sizes. */ Tcl_Obj ***argvList; /* Array of value lists. */ Tcl_Obj **aCopyList; /* Copies of value list arguments. */ + Tcl_Obj *resultList; /* List of result values from the loop body, + * or NULL if we're not collecting them + * ([lmap] vs [foreach]). */ }; /* @@ -46,8 +46,6 @@ 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, @@ -57,6 +55,8 @@ static int GetStatBuf(Tcl_Interp *interp, Tcl_Obj *pathPtr, static const char * GetTypeFromMode(int mode); static int StoreStatData(Tcl_Interp *interp, Tcl_Obj *varName, Tcl_StatBuf *statPtr); +static inline int EachloopCmd(Tcl_Interp *interp, int collect, + int objc, Tcl_Obj *const objv[]); static Tcl_NRPostProc CatchObjCmdCallback; static Tcl_NRPostProc ExprCallback; static Tcl_NRPostProc ForSetupCallback; @@ -65,6 +65,33 @@ static Tcl_NRPostProc ForNextCallback; 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; +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; /* *---------------------------------------------------------------------- @@ -167,12 +194,12 @@ Tcl_CaseObjCmd( for (i = 0; i < caseObjc; i += 2) { int patObjc, j; const char **patObjv; - const char *pat; - unsigned char *p; + const char *pat, *p; 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; } @@ -182,8 +209,8 @@ Tcl_CaseObjCmd( */ pat = TclGetString(caseObjv[i]); - for (p = (unsigned char *) pat; *p != '\0'; p++) { - if (isspace(*p) || (*p == '\\')) { /* INTL: ISO space, UCHAR */ + for (p = pat; *p != '\0'; p++) { + if (TclIsSpaceProc(*p) || (*p == '\\')) { break; } } @@ -213,7 +240,7 @@ Tcl_CaseObjCmd( break; } } - ckfree((char *) patObjv); + ckfree(patObjv); if (j < patObjc) { break; } @@ -290,13 +317,13 @@ TclNRCatchObjCmd( optionVarNamePtr = objv[3]; } + TclNRAddCallback(interp, CatchObjCmdCallback, INT2PTR(objc), + varNamePtr, optionVarNamePtr, NULL); + /* * TIP #280. Make invoking context available to caught script. */ - TclNRAddCallback(interp, CatchObjCmdCallback, INT2PTR(objc), - varNamePtr, optionVarNamePtr, NULL); - return TclNREvalObjEx(interp, objv[1], 0, iPtr->cmdFramePtr, 1); } @@ -313,19 +340,6 @@ CatchObjCmdCallback( int rewind = iPtr->execEnvPtr->rewind; /* - * catch has to disable any tailcall - */ - - if (iPtr->varFramePtr->tailcallPtr) { - TclClearTailcall(interp, iPtr->varFramePtr->tailcallPtr); - iPtr->varFramePtr->tailcallPtr = NULL; - result = TCL_ERROR; - Tcl_SetResult(interp,"Tailcall called from within a catch environment", - TCL_STATIC); - } - - - /* * We disable catch in interpreters where the limit has been exceeded. */ @@ -337,10 +351,7 @@ CatchObjCmdCallback( if (objc >= 3) { if (NULL == Tcl_ObjSetVar2(interp, varNamePtr, NULL, - Tcl_GetObjResult(interp), 0)) { - Tcl_ResetResult(interp); - Tcl_AppendResult(interp, - "couldn't save command result in variable", NULL); + Tcl_GetObjResult(interp), TCL_LEAVE_ERR_MSG)) { return TCL_ERROR; } } @@ -348,10 +359,9 @@ CatchObjCmdCallback( Tcl_Obj *options = Tcl_GetReturnOptions(interp, result); if (NULL == Tcl_ObjSetVar2(interp, optionVarNamePtr, NULL, - options, 0)) { - Tcl_ResetResult(interp); - Tcl_AppendResult(interp, - "couldn't save return options in variable", NULL); + options, TCL_LEAVE_ERR_MSG)) { + /* Do not decrRefCount 'options', it was already done by + * Tcl_ObjSetVar2 */ return TCL_ERROR; } } @@ -405,8 +415,9 @@ 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; } } @@ -560,9 +571,7 @@ 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. @@ -580,7 +589,7 @@ 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); @@ -627,20 +636,27 @@ 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; } @@ -732,6 +748,16 @@ Tcl_EvalObjCmd( int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { + return Tcl_NRCallObjProc(interp, TclNREvalObjCmd, dummy, objc, objv); +} + +int +TclNREvalObjCmd( + ClientData dummy, /* Not used. */ + Tcl_Interp *interp, /* Current interpreter. */ + int objc, /* Number of arguments. */ + Tcl_Obj *const objv[]) /* Argument objects. */ +{ register Tcl_Obj *objPtr; Interp *iPtr = (Interp *) interp; CmdFrame *invoker = NULL; @@ -894,13 +920,14 @@ 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. @@ -911,570 +938,1210 @@ 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, TclCompileBasic1Or2ArgCmd, NULL, NULL, 0}, + {"attributes", TclFileAttrsCmd, NULL, NULL, NULL, 0}, + {"channels", TclChannelNamesCmd, TclCompileBasic0Or1ArgCmd, NULL, NULL, 0}, + {"copy", TclFileCopyCmd, NULL, NULL, NULL, 0}, + {"delete", TclFileDeleteCmd, TclCompileBasicMin0ArgCmd, NULL, NULL, 0}, + {"dirname", PathDirNameCmd, TclCompileBasic1ArgCmd, NULL, NULL, 0}, + {"executable", FileAttrIsExecutableCmd, TclCompileBasic1ArgCmd, NULL, NULL, 0}, + {"exists", FileAttrIsExistingCmd, TclCompileBasic1ArgCmd, NULL, NULL, 0}, + {"extension", PathExtensionCmd, TclCompileBasic1ArgCmd, NULL, NULL, 0}, + {"isdirectory", FileAttrIsDirectoryCmd, TclCompileBasic1ArgCmd, NULL, NULL, 0}, + {"isfile", FileAttrIsFileCmd, TclCompileBasic1ArgCmd, NULL, NULL, 0}, + {"join", PathJoinCmd, TclCompileBasicMin1ArgCmd, NULL, NULL, 0}, + {"link", TclFileLinkCmd, TclCompileBasic1To3ArgCmd, NULL, NULL, 0}, + {"lstat", FileAttrLinkStatCmd, TclCompileBasic2ArgCmd, NULL, NULL, 0}, + {"mtime", FileAttrModifyTimeCmd, TclCompileBasic1Or2ArgCmd, NULL, NULL, 0}, + {"mkdir", TclFileMakeDirsCmd, TclCompileBasicMin0ArgCmd, NULL, NULL, 0}, + {"nativename", PathNativeNameCmd, TclCompileBasic1ArgCmd, NULL, NULL, 0}, + {"normalize", PathNormalizeCmd, TclCompileBasic1ArgCmd, NULL, NULL, 0}, + {"owned", FileAttrIsOwnedCmd, TclCompileBasic1ArgCmd, NULL, NULL, 0}, + {"pathtype", PathTypeCmd, TclCompileBasic1ArgCmd, NULL, NULL, 0}, + {"readable", FileAttrIsReadableCmd, TclCompileBasic1ArgCmd, NULL, NULL, 0}, + {"readlink", TclFileReadLinkCmd, TclCompileBasic1ArgCmd, NULL, NULL, 0}, + {"rename", TclFileRenameCmd, NULL, NULL, NULL, 0}, + {"rootname", PathRootNameCmd, TclCompileBasic1ArgCmd, NULL, NULL, 0}, + {"separator", FilesystemSeparatorCmd, TclCompileBasic0Or1ArgCmd, NULL, NULL, 0}, + {"size", FileAttrSizeCmd, TclCompileBasic1ArgCmd, NULL, NULL, 0}, + {"split", PathSplitCmd, TclCompileBasic1ArgCmd, NULL, NULL, 0}, + {"stat", FileAttrStatCmd, TclCompileBasic2ArgCmd, NULL, NULL, 0}, + {"system", PathFilesystemCmd, TclCompileBasic0Or1ArgCmd, NULL, NULL, 0}, + {"tail", PathTailCmd, TclCompileBasic1ArgCmd, NULL, NULL, 0}, + {"tempfile", TclFileTemporaryCmd, TclCompileBasic0To2ArgCmd, NULL, NULL, 0}, + {"type", FileAttrTypeCmd, TclCompileBasic1ArgCmd, NULL, NULL, 0}, + {"volumes", FilesystemVolumesCmd, TclCompileBasic0ArgCmd, NULL, NULL, 0}, + {"writable", FileAttrIsWritableCmd, TclCompileBasic1ArgCmd, NULL, NULL, 0}, + {NULL, NULL, NULL, NULL, NULL, 0} }; - 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, 0} }; + int i; + Tcl_DString oldBuf, newBuf; + + Tcl_DStringInit(&oldBuf); + TclDStringAppendLiteral(&oldBuf, "::tcl::file::"); + Tcl_DStringInit(&newBuf); + TclDStringAppendLiteral(&newBuf, "tcl:file:"); + 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_CreateObjCommand(interp, oldName, BadFileSubcommand, + (ClientData) unsafeInfo[i].cmdName, NULL); + } + } + Tcl_DStringFree(&oldBuf); + Tcl_DStringFree(&newBuf); - if (objc < 2) { - Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?"); + /* + * Ugh. The [file] command is now actually safe, but it is assumed by + * scripts that it is not, which messes up security policies. [Bug + * 3211758] + */ + + if (Tcl_HideCommand(interp, "file", "file") != TCL_OK) { + Tcl_Panic("problem making 'file' safe: %s", + Tcl_GetString(Tcl_GetObjResult(interp))); + } + return TCL_OK; +} + +/* + *---------------------------------------------------------------------- + * + * 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 + * 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. + * + *---------------------------------------------------------------------- + */ + +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_SetObjResult(interp, Tcl_ObjPrintf( + "could not set access time for file \"%s\": %s", + TclGetString(objv[1]), Tcl_PosixError(interp))); 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_SetObjResult(interp, Tcl_ObjPrintf( + "could not set modification time for file \"%s\": %s", + TclGetString(objv[1]), Tcl_PosixError(interp))); 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; - } +#if defined(_WIN32) || defined(__CYGWIN__) + 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_SetObjResult(interp, Tcl_NewStringObj("unrecognised path", -1)); + Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "FILESYSTEM", + Tcl_GetString(objv[1]), NULL); + 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. + * + *---------------------------------------------------------------------- + */ - contents = Tcl_FSLink(objv[2], NULL, 0); +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, TclJoinPath(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. + * + *---------------------------------------------------------------------- + */ - 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; +static int +PathNativeNameCmd( + ClientData clientData, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + Tcl_DString ds; + + 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; + if (Tcl_TranslateFileName(interp, TclGetString(objv[1]), &ds) == NULL) { + return TCL_ERROR; + } + Tcl_SetObjResult(interp, TclDStringToObj(&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_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; + } + 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_SetObjResult(interp, Tcl_NewStringObj( + "unrecognised path", -1)); + Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "FILESYSTEM", + Tcl_GetString(objv[1]), NULL); 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; } /* @@ -1554,9 +2221,9 @@ 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; } @@ -1602,13 +2269,13 @@ 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); /* @@ -1682,165 +2349,6 @@ 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 -- @@ -2062,7 +2570,7 @@ ForPostNextCallback( /* *---------------------------------------------------------------------- * - * Tcl_ForeachObjCmd, TclNRForeachCmd -- + * Tcl_ForeachObjCmd, TclNRForeachCmd, EachloopCmd -- * * This object-based procedure is invoked to process the "foreach" Tcl * command. See the user documentation for details on what it does. @@ -2094,6 +2602,38 @@ TclNRForeachCmd( int objc, Tcl_Obj *const objv[]) { + return EachloopCmd(interp, TCL_EACH_KEEP_NONE, objc, objv); +} + +int +Tcl_LmapObjCmd( + ClientData dummy, /* Not used. */ + Tcl_Interp *interp, /* Current interpreter. */ + int objc, /* Number of arguments. */ + Tcl_Obj *const objv[]) /* Argument objects. */ +{ + return Tcl_NRCallObjProc(interp, TclNRLmapCmd, dummy, objc, objv); +} + +int +TclNRLmapCmd( + ClientData dummy, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + return EachloopCmd(interp, TCL_EACH_COLLECT, objc, objv); +} + +static inline int +EachloopCmd( + Tcl_Interp *interp, /* Our context for variables and script + * evaluation. */ + int collect, /* Select collecting or accumulating mode + * (TCL_EACH_*) */ + int objc, /* The arguments being passed in... */ + Tcl_Obj *const objv[]) +{ int numLists = (objc-2) / 2; register struct ForeachState *statePtr; int i, j, result; @@ -2137,6 +2677,12 @@ TclNRForeachCmd( statePtr->bodyPtr = objv[objc - 1]; statePtr->bodyIdx = objc - 1; + if (collect == TCL_EACH_COLLECT) { + statePtr->resultList = Tcl_NewListObj(0, NULL); + } else { + statePtr->resultList = NULL; + } + /* * Break up the value lists and variable lists into elements. */ @@ -2150,7 +2696,12 @@ 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_ObjPrintf( + "%s varlist is empty", + (statePtr->resultList != NULL ? "lmap" : "foreach"))); + Tcl_SetErrorCode(interp, "TCL", "OPERATION", + (statePtr->resultList != NULL ? "LMAP" : "FOREACH"), + "NEEDVARS", NULL); result = TCL_ERROR; goto done; } @@ -2219,14 +2770,21 @@ ForeachLoopStep( switch (result) { case TCL_CONTINUE: result = TCL_OK; + break; case TCL_OK: + if (statePtr->resultList != NULL) { + Tcl_ListObjAppendElement(interp, statePtr->resultList, + Tcl_GetObjResult(interp)); + } break; case TCL_BREAK: result = TCL_OK; - goto done; + goto finish; case TCL_ERROR: Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf( - "\n (\"foreach\" body line %d)", Tcl_GetErrorLine(interp))); + "\n (\"%s\" body line %d)", + (statePtr->resultList != NULL ? "lmap" : "foreach"), + Tcl_GetErrorLine(interp))); default: goto done; } @@ -2251,7 +2809,14 @@ ForeachLoopStep( * We're done. Tidy up our work space and finish off. */ - Tcl_ResetResult(interp); + finish: + if (statePtr->resultList == NULL) { + Tcl_ResetResult(interp); + } else { + Tcl_SetObjResult(interp, statePtr->resultList); + statePtr->resultList = NULL; /* Don't clean it up */ + } + done: ForeachCleanup(interp, statePtr); return result; @@ -2284,7 +2849,8 @@ ForeachAssignments( if (varValuePtr == NULL) { Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf( - "\n (setting foreach loop variable \"%s\")", + "\n (setting %s loop variable \"%s\")", + (statePtr->resultList != NULL ? "lmap" : "foreach"), TclGetString(statePtr->varvList[i][v]))); return TCL_ERROR; } @@ -2313,6 +2879,9 @@ ForeachCleanup( TclDecrRefCount(statePtr->aCopyList[i]); } } + if (statePtr->resultList != NULL) { + TclDecrRefCount(statePtr->resultList); + } TclStackFree(interp, statePtr); } |