tclCmdAH.c
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上传日期:2015-12-11
资源大小:54129k
文件大小:63k
- /*
- * tclCmdAH.c --
- *
- * This file contains the top-level command routines for most of
- * the Tcl built-in commands whose names begin with the letters
- * A to H.
- *
- * Copyright (c) 1987-1993 The Regents of the University of California.
- * Copyright (c) 1994-1997 Sun Microsystems, Inc.
- *
- * 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 1.27.2.16 2006/11/28 22:20:00 andreas_kupries Exp $
- */
- #include "tclInt.h"
- #include "tclPort.h"
- #include <locale.h>
- /*
- * Prototypes for local procedures defined in this file:
- */
- static int CheckAccess _ANSI_ARGS_((Tcl_Interp *interp,
- Tcl_Obj *objPtr, int mode));
- static int GetStatBuf _ANSI_ARGS_((Tcl_Interp *interp,
- Tcl_Obj *objPtr, Tcl_FSStatProc *statProc,
- Tcl_StatBuf *statPtr));
- static char * GetTypeFromMode _ANSI_ARGS_((int mode));
- static int StoreStatData _ANSI_ARGS_((Tcl_Interp *interp,
- char *varName, Tcl_StatBuf *statPtr));
- /*
- *----------------------------------------------------------------------
- *
- * Tcl_BreakObjCmd --
- *
- * This procedure is invoked to process the "break" Tcl command.
- * See the user documentation for details on what it does.
- *
- * With the bytecode compiler, this procedure is only called when
- * a command name is computed at runtime, and is "break" or the name
- * to which "break" was renamed: e.g., "set z break; $z"
- *
- * Results:
- * A standard Tcl result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
- /* ARGSUSED */
- int
- Tcl_BreakObjCmd(dummy, interp, objc, objv)
- ClientData dummy; /* Not used. */
- Tcl_Interp *interp; /* Current interpreter. */
- int objc; /* Number of arguments. */
- Tcl_Obj *CONST objv[]; /* Argument objects. */
- {
- if (objc != 1) {
- Tcl_WrongNumArgs(interp, 1, objv, NULL);
- return TCL_ERROR;
- }
- return TCL_BREAK;
- }
- /*
- *----------------------------------------------------------------------
- *
- * Tcl_CaseObjCmd --
- *
- * This procedure is invoked to process the "case" Tcl command.
- * See the user documentation for details on what it does.
- *
- * Results:
- * A standard Tcl object result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
- /* ARGSUSED */
- int
- Tcl_CaseObjCmd(dummy, interp, objc, objv)
- ClientData dummy; /* Not used. */
- Tcl_Interp *interp; /* Current interpreter. */
- int objc; /* Number of arguments. */
- Tcl_Obj *CONST objv[]; /* Argument objects. */
- {
- register int i;
- int body, result, caseObjc;
- char *string, *arg;
- Tcl_Obj *CONST *caseObjv;
- Tcl_Obj *armPtr;
- if (objc < 3) {
- Tcl_WrongNumArgs(interp, 1, objv,
- "string ?in? patList body ... ?default body?");
- return TCL_ERROR;
- }
- string = Tcl_GetString(objv[1]);
- body = -1;
- arg = Tcl_GetString(objv[2]);
- if (strcmp(arg, "in") == 0) {
- i = 3;
- } else {
- i = 2;
- }
- caseObjc = objc - i;
- caseObjv = objv + i;
- /*
- * If all of the pattern/command pairs are lumped into a single
- * argument, split them out again.
- */
- if (caseObjc == 1) {
- Tcl_Obj **newObjv;
-
- Tcl_ListObjGetElements(interp, caseObjv[0], &caseObjc, &newObjv);
- caseObjv = newObjv;
- }
- for (i = 0; i < caseObjc; i += 2) {
- int patObjc, j;
- CONST char **patObjv;
- char *pat;
- unsigned char *p;
- if (i == (caseObjc - 1)) {
- Tcl_ResetResult(interp);
- Tcl_AppendToObj(Tcl_GetObjResult(interp),
- "extra case pattern with no body", -1);
- return TCL_ERROR;
- }
- /*
- * Check for special case of single pattern (no list) with
- * no backslash sequences.
- */
- pat = Tcl_GetString(caseObjv[i]);
- for (p = (unsigned char *) pat; *p != ' '; p++) {
- if (isspace(*p) || (*p == '\')) { /* INTL: ISO space, UCHAR */
- break;
- }
- }
- if (*p == ' ') {
- if ((*pat == 'd') && (strcmp(pat, "default") == 0)) {
- body = i + 1;
- }
- if (Tcl_StringMatch(string, pat)) {
- body = i + 1;
- goto match;
- }
- continue;
- }
- /*
- * Break up pattern lists, then check each of the patterns
- * in the list.
- */
- result = Tcl_SplitList(interp, pat, &patObjc, &patObjv);
- if (result != TCL_OK) {
- return result;
- }
- for (j = 0; j < patObjc; j++) {
- if (Tcl_StringMatch(string, patObjv[j])) {
- body = i + 1;
- break;
- }
- }
- ckfree((char *) patObjv);
- if (j < patObjc) {
- break;
- }
- }
- match:
- if (body != -1) {
- armPtr = caseObjv[body - 1];
- result = Tcl_EvalObjEx(interp, caseObjv[body], 0);
- if (result == TCL_ERROR) {
- char msg[100 + TCL_INTEGER_SPACE];
-
- arg = Tcl_GetString(armPtr);
- sprintf(msg,
- "n ("%.50s" arm line %d)", arg,
- interp->errorLine);
- Tcl_AddObjErrorInfo(interp, msg, -1);
- }
- return result;
- }
- /*
- * Nothing matched: return nothing.
- */
- return TCL_OK;
- }
- /*
- *----------------------------------------------------------------------
- *
- * Tcl_CatchObjCmd --
- *
- * This object-based procedure is invoked to process the "catch" Tcl
- * command. See the user documentation for details on what it does.
- *
- * Results:
- * A standard Tcl object result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
- /* ARGSUSED */
- int
- Tcl_CatchObjCmd(dummy, interp, objc, objv)
- ClientData dummy; /* Not used. */
- Tcl_Interp *interp; /* Current interpreter. */
- int objc; /* Number of arguments. */
- Tcl_Obj *CONST objv[]; /* Argument objects. */
- {
- Tcl_Obj *varNamePtr = NULL;
- int result;
- #ifdef TCL_TIP280
- Interp* iPtr = (Interp*) interp;
- #endif
- if ((objc != 2) && (objc != 3)) {
- Tcl_WrongNumArgs(interp, 1, objv, "command ?varName?");
- return TCL_ERROR;
- }
- if (objc == 3) {
- varNamePtr = objv[2];
- }
- #ifndef TCL_TIP280
- result = Tcl_EvalObjEx(interp, objv[1], 0);
- #else
- /* TIP #280. Make invoking context available to caught script */
- result = TclEvalObjEx(interp, objv[1], 0, iPtr->cmdFramePtr,1);
- #endif
-
- if (objc == 3) {
- if (Tcl_ObjSetVar2(interp, varNamePtr, NULL,
- Tcl_GetObjResult(interp), 0) == NULL) {
- Tcl_ResetResult(interp);
- Tcl_AppendToObj(Tcl_GetObjResult(interp),
- "couldn't save command result in variable", -1);
- return TCL_ERROR;
- }
- }
- /*
- * Set the interpreter's object result to an integer object holding the
- * integer Tcl_EvalObj result. Note that we don't bother generating a
- * string representation. We reset the interpreter's object result
- * to an unshared empty object and then set it to be an integer object.
- */
- Tcl_ResetResult(interp);
- Tcl_SetIntObj(Tcl_GetObjResult(interp), result);
- return TCL_OK;
- }
- /*
- *----------------------------------------------------------------------
- *
- * Tcl_CdObjCmd --
- *
- * This procedure is invoked to process the "cd" Tcl command.
- * See the user documentation for details on what it does.
- *
- * Results:
- * A standard Tcl result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
- /* ARGSUSED */
- int
- Tcl_CdObjCmd(dummy, interp, objc, objv)
- ClientData dummy; /* Not used. */
- Tcl_Interp *interp; /* Current interpreter. */
- int objc; /* Number of arguments. */
- Tcl_Obj *CONST objv[]; /* Argument objects. */
- {
- Tcl_Obj *dir;
- int result;
- if (objc > 2) {
- Tcl_WrongNumArgs(interp, 1, objv, "?dirName?");
- return TCL_ERROR;
- }
- if (objc == 2) {
- dir = objv[1];
- } else {
- dir = Tcl_NewStringObj("~",1);
- Tcl_IncrRefCount(dir);
- }
- if (Tcl_FSConvertToPathType(interp, dir) != TCL_OK) {
- result = TCL_ERROR;
- } else {
- result = Tcl_FSChdir(dir);
- if (result != TCL_OK) {
- Tcl_AppendResult(interp, "couldn't change working directory to "",
- Tcl_GetString(dir), "": ", Tcl_PosixError(interp), (char *) NULL);
- result = TCL_ERROR;
- }
- }
- if (objc != 2) {
- Tcl_DecrRefCount(dir);
- }
- return result;
- }
- /*
- *----------------------------------------------------------------------
- *
- * Tcl_ConcatObjCmd --
- *
- * This object-based procedure is invoked to process the "concat" Tcl
- * command. See the user documentation for details on what it does.
- *
- * Results:
- * A standard Tcl object result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
- /* ARGSUSED */
- int
- Tcl_ConcatObjCmd(dummy, interp, objc, objv)
- ClientData dummy; /* Not used. */
- Tcl_Interp *interp; /* Current interpreter. */
- int objc; /* Number of arguments. */
- Tcl_Obj *CONST objv[]; /* Argument objects. */
- {
- if (objc >= 2) {
- Tcl_SetObjResult(interp, Tcl_ConcatObj(objc-1, objv+1));
- }
- return TCL_OK;
- }
- /*
- *----------------------------------------------------------------------
- *
- * Tcl_ContinueObjCmd -
- *
- * This procedure is invoked to process the "continue" Tcl command.
- * See the user documentation for details on what it does.
- *
- * With the bytecode compiler, this procedure is only called when
- * a command name is computed at runtime, and is "continue" or the name
- * to which "continue" was renamed: e.g., "set z continue; $z"
- *
- * Results:
- * A standard Tcl result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
- /* ARGSUSED */
- int
- Tcl_ContinueObjCmd(dummy, interp, objc, objv)
- ClientData dummy; /* Not used. */
- Tcl_Interp *interp; /* Current interpreter. */
- int objc; /* Number of arguments. */
- Tcl_Obj *CONST objv[]; /* Argument objects. */
- {
- if (objc != 1) {
- Tcl_WrongNumArgs(interp, 1, objv, NULL);
- return TCL_ERROR;
- }
- return TCL_CONTINUE;
- }
- /*
- *----------------------------------------------------------------------
- *
- * Tcl_EncodingObjCmd --
- *
- * This command manipulates encodings.
- *
- * Results:
- * A standard Tcl result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
- int
- Tcl_EncodingObjCmd(dummy, interp, objc, objv)
- ClientData dummy; /* Not used. */
- Tcl_Interp *interp; /* Current interpreter. */
- int objc; /* Number of arguments. */
- Tcl_Obj *CONST objv[]; /* Argument objects. */
- {
- int index, length;
- Tcl_Encoding encoding;
- char *string;
- Tcl_DString ds;
- Tcl_Obj *resultPtr;
- static CONST char *optionStrings[] = {
- "convertfrom", "convertto", "names", "system",
- NULL
- };
- enum options {
- ENC_CONVERTFROM, ENC_CONVERTTO, ENC_NAMES, ENC_SYSTEM
- };
- if (objc < 2) {
- Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?");
- return TCL_ERROR;
- }
- if (Tcl_GetIndexFromObj(interp, objv[1], optionStrings, "option", 0,
- &index) != TCL_OK) {
- return TCL_ERROR;
- }
- switch ((enum options) index) {
- case ENC_CONVERTTO:
- case ENC_CONVERTFROM: {
- Tcl_Obj *data;
- if (objc == 3) {
- encoding = Tcl_GetEncoding(interp, NULL);
- data = objv[2];
- } else if (objc == 4) {
- if (TclGetEncodingFromObj(interp, objv[2], &encoding)
- != TCL_OK) {
- return TCL_ERROR;
- }
- data = objv[3];
- } else {
- Tcl_WrongNumArgs(interp, 2, objv, "?encoding? data");
- return TCL_ERROR;
- }
-
- if ((enum options) index == ENC_CONVERTFROM) {
- /*
- * Treat the string as binary data.
- */
- string = (char *) Tcl_GetByteArrayFromObj(data, &length);
- Tcl_ExternalToUtfDString(encoding, string, length, &ds);
- /*
- * Note that we cannot use Tcl_DStringResult here because
- * it will truncate the string at the first null byte.
- */
- Tcl_SetStringObj(Tcl_GetObjResult(interp),
- Tcl_DStringValue(&ds), Tcl_DStringLength(&ds));
- Tcl_DStringFree(&ds);
- } else {
- /*
- * Store the result as binary data.
- */
- string = Tcl_GetStringFromObj(data, &length);
- Tcl_UtfToExternalDString(encoding, string, length, &ds);
- resultPtr = Tcl_GetObjResult(interp);
- Tcl_SetByteArrayObj(resultPtr,
- (unsigned char *) Tcl_DStringValue(&ds),
- Tcl_DStringLength(&ds));
- Tcl_DStringFree(&ds);
- }
- Tcl_FreeEncoding(encoding);
- break;
- }
- case ENC_NAMES: {
- if (objc > 2) {
- Tcl_WrongNumArgs(interp, 2, objv, NULL);
- return TCL_ERROR;
- }
- Tcl_GetEncodingNames(interp);
- break;
- }
- case ENC_SYSTEM: {
- if (objc > 3) {
- Tcl_WrongNumArgs(interp, 2, objv, "?encoding?");
- return TCL_ERROR;
- }
- if (objc == 2) {
- Tcl_SetStringObj(Tcl_GetObjResult(interp),
- Tcl_GetEncodingName(NULL), -1);
- } else {
- return Tcl_SetSystemEncoding(interp,
- Tcl_GetStringFromObj(objv[2], NULL));
- }
- break;
- }
- }
- return TCL_OK;
- }
- /*
- *----------------------------------------------------------------------
- *
- * Tcl_ErrorObjCmd --
- *
- * This procedure is invoked to process the "error" Tcl command.
- * See the user documentation for details on what it does.
- *
- * Results:
- * A standard Tcl object result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
- /* ARGSUSED */
- int
- Tcl_ErrorObjCmd(dummy, interp, objc, objv)
- ClientData dummy; /* Not used. */
- Tcl_Interp *interp; /* Current interpreter. */
- int objc; /* Number of arguments. */
- Tcl_Obj *CONST objv[]; /* Argument objects. */
- {
- Interp *iPtr = (Interp *) interp;
- char *info;
- int infoLen;
- if ((objc < 2) || (objc > 4)) {
- Tcl_WrongNumArgs(interp, 1, objv, "message ?errorInfo? ?errorCode?");
- return TCL_ERROR;
- }
-
- if (objc >= 3) { /* process the optional info argument */
- info = Tcl_GetStringFromObj(objv[2], &infoLen);
- if (infoLen > 0) {
- Tcl_AddObjErrorInfo(interp, info, infoLen);
- iPtr->flags |= ERR_ALREADY_LOGGED;
- }
- }
-
- if (objc == 4) {
- Tcl_SetVar2Ex(interp, "errorCode", NULL, objv[3], TCL_GLOBAL_ONLY);
- iPtr->flags |= ERROR_CODE_SET;
- }
-
- Tcl_SetObjResult(interp, objv[1]);
- return TCL_ERROR;
- }
- /*
- *----------------------------------------------------------------------
- *
- * Tcl_EvalObjCmd --
- *
- * This object-based procedure is invoked to process the "eval" Tcl
- * command. See the user documentation for details on what it does.
- *
- * Results:
- * A standard Tcl object result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
- /* ARGSUSED */
- int
- Tcl_EvalObjCmd(dummy, interp, objc, objv)
- ClientData dummy; /* Not used. */
- Tcl_Interp *interp; /* Current interpreter. */
- int objc; /* Number of arguments. */
- Tcl_Obj *CONST objv[]; /* Argument objects. */
- {
- int result;
- register Tcl_Obj *objPtr;
- #ifdef TCL_TIP280
- Interp* iPtr = (Interp*) interp;
- #endif
- if (objc < 2) {
- Tcl_WrongNumArgs(interp, 1, objv, "arg ?arg ...?");
- return TCL_ERROR;
- }
-
- if (objc == 2) {
- #ifndef TCL_TIP280
- result = Tcl_EvalObjEx(interp, objv[1], TCL_EVAL_DIRECT);
- #else
- /* TIP #280. Make invoking context available to eval'd script */
- result = TclEvalObjEx(interp, objv[1], TCL_EVAL_DIRECT,
- iPtr->cmdFramePtr,1);
- #endif
- } else {
- /*
- * More than one argument: concatenate them together with spaces
- * between, then evaluate the result. Tcl_EvalObjEx will delete
- * the object when it decrements its refcount after eval'ing it.
- */
- objPtr = Tcl_ConcatObj(objc-1, objv+1);
- #ifndef TCL_TIP280
- result = Tcl_EvalObjEx(interp, objPtr, TCL_EVAL_DIRECT);
- #else
- /* TIP #280. Make invoking context available to eval'd script */
- result = TclEvalObjEx(interp, objPtr, TCL_EVAL_DIRECT, NULL, 0);
- #endif
- }
- if (result == TCL_ERROR) {
- char msg[32 + TCL_INTEGER_SPACE];
- sprintf(msg, "n ("eval" body line %d)", interp->errorLine);
- Tcl_AddObjErrorInfo(interp, msg, -1);
- }
- return result;
- }
- /*
- *----------------------------------------------------------------------
- *
- * Tcl_ExitObjCmd --
- *
- * This procedure is invoked to process the "exit" Tcl command.
- * See the user documentation for details on what it does.
- *
- * Results:
- * A standard Tcl object result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
- /* ARGSUSED */
- int
- Tcl_ExitObjCmd(dummy, interp, objc, objv)
- ClientData dummy; /* Not used. */
- Tcl_Interp *interp; /* Current interpreter. */
- int objc; /* Number of arguments. */
- Tcl_Obj *CONST objv[]; /* Argument objects. */
- {
- int value;
- if ((objc != 1) && (objc != 2)) {
- Tcl_WrongNumArgs(interp, 1, objv, "?returnCode?");
- return TCL_ERROR;
- }
-
- if (objc == 1) {
- value = 0;
- } else if (Tcl_GetIntFromObj(interp, objv[1], &value) != TCL_OK) {
- return TCL_ERROR;
- }
- Tcl_Exit(value);
- /*NOTREACHED*/
- return TCL_OK; /* Better not ever reach this! */
- }
- /*
- *----------------------------------------------------------------------
- *
- * Tcl_ExprObjCmd --
- *
- * This object-based procedure is invoked to process the "expr" Tcl
- * command. See the user documentation for details on what it does.
- *
- * With the bytecode compiler, this procedure is called in two
- * circumstances: 1) to execute expr commands that are too complicated
- * or too unsafe to try compiling directly into an inline sequence of
- * instructions, and 2) to execute commands where the command name is
- * computed at runtime and is "expr" or the name to which "expr" was
- * renamed (e.g., "set z expr; $z 2+3")
- *
- * Results:
- * A standard Tcl object result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
- /* ARGSUSED */
- int
- Tcl_ExprObjCmd(dummy, interp, objc, objv)
- ClientData dummy; /* Not used. */
- Tcl_Interp *interp; /* Current interpreter. */
- int objc; /* Number of arguments. */
- Tcl_Obj *CONST objv[]; /* Argument objects. */
- {
- register Tcl_Obj *objPtr;
- Tcl_Obj *resultPtr;
- register char *bytes;
- int length, i, result;
- if (objc < 2) {
- Tcl_WrongNumArgs(interp, 1, objv, "arg ?arg ...?");
- return TCL_ERROR;
- }
- if (objc == 2) {
- result = Tcl_ExprObj(interp, objv[1], &resultPtr);
- if (result == TCL_OK) {
- Tcl_SetObjResult(interp, resultPtr);
- Tcl_DecrRefCount(resultPtr); /* done with the result object */
- }
- return result;
- }
- /*
- * Create a new object holding the concatenated argument strings.
- */
- /*** QUESTION: Do we need to copy the slow way? ***/
- bytes = Tcl_GetStringFromObj(objv[1], &length);
- objPtr = Tcl_NewStringObj(bytes, length);
- Tcl_IncrRefCount(objPtr);
- for (i = 2; i < objc; i++) {
- Tcl_AppendToObj(objPtr, " ", 1);
- bytes = Tcl_GetStringFromObj(objv[i], &length);
- Tcl_AppendToObj(objPtr, bytes, length);
- }
- /*
- * Evaluate the concatenated string object.
- */
- result = Tcl_ExprObj(interp, objPtr, &resultPtr);
- if (result == TCL_OK) {
- Tcl_SetObjResult(interp, resultPtr);
- Tcl_DecrRefCount(resultPtr); /* done with the result object */
- }
- /*
- * Free allocated resources.
- */
-
- Tcl_DecrRefCount(objPtr);
- return result;
- }
- /*
- *----------------------------------------------------------------------
- *
- * Tcl_FileObjCmd --
- *
- * 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, WHICH COULD THEORETICALLY HAPPEN ON A MAC.
- * 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.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
- /* ARGSUSED */
- int
- Tcl_FileObjCmd(dummy, interp, objc, objv)
- ClientData dummy; /* Not used. */
- Tcl_Interp *interp; /* Current interpreter. */
- int objc; /* Number of arguments. */
- Tcl_Obj *CONST objv[]; /* Argument objects. */
- {
- int index;
- /*
- * This list of constants should match the fileOption string array below.
- */
- static CONST char *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", "type", "volumes", "writable",
- (char *) 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_TYPE, FCMD_VOLUMES, FCMD_WRITABLE
- };
- if (objc < 2) {
- Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?");
- return TCL_ERROR;
- }
- if (Tcl_GetIndexFromObj(interp, objv[1], fileOptions, "option", 0,
- &index) != TCL_OK) {
- return TCL_ERROR;
- }
- switch ((enum options) index) {
- case FCMD_ATIME: {
- Tcl_StatBuf buf;
- struct utimbuf tval;
- if ((objc < 3) || (objc > 4)) {
- Tcl_WrongNumArgs(interp, 2, objv, "name ?time?");
- return TCL_ERROR;
- }
- if (GetStatBuf(interp, objv[2], Tcl_FSStat, &buf) != TCL_OK) {
- return TCL_ERROR;
- }
- if (objc == 4) {
- long newTime;
- if (Tcl_GetLongFromObj(interp, objv[3], &newTime) != TCL_OK) {
- return TCL_ERROR;
- }
- tval.actime = newTime;
- tval.modtime = buf.st_mtime;
- if (Tcl_FSUtime(objv[2], &tval) != 0) {
- Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
- "could not set access time for file "",
- Tcl_GetString(objv[2]), "": ",
- Tcl_PosixError(interp), (char *) NULL);
- return TCL_ERROR;
- }
- /*
- * 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 (GetStatBuf(interp, objv[2], Tcl_FSStat, &buf) != TCL_OK) {
- return TCL_ERROR;
- }
- }
- Tcl_SetLongObj(Tcl_GetObjResult(interp), (long) buf.st_atime);
- 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?");
- return TCL_ERROR;
- }
- return Tcl_GetChannelNamesEx(interp,
- ((objc == 2) ? NULL : Tcl_GetString(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 = TclFileDirname(interp, objv[2]);
- if (dirPtr == NULL) {
- return TCL_ERROR;
- } else {
- 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: {
- char *fileName, *extension;
- if (objc != 3) {
- goto only3Args;
- }
- fileName = Tcl_GetString(objv[2]);
- extension = TclGetExtension(fileName);
- if (extension != NULL) {
- Tcl_SetStringObj(Tcl_GetObjResult(interp), extension, -1);
- }
- return TCL_OK;
- }
- case FCMD_ISDIRECTORY: {
- int value;
- Tcl_StatBuf buf;
- if (objc != 3) {
- goto only3Args;
- }
- value = 0;
- if (GetStatBuf(NULL, objv[2], Tcl_FSStat, &buf) == TCL_OK) {
- value = S_ISDIR(buf.st_mode);
- }
- Tcl_SetBooleanObj(Tcl_GetObjResult(interp), value);
- return TCL_OK;
- }
- case FCMD_ISFILE: {
- int value;
- Tcl_StatBuf buf;
-
- if (objc != 3) {
- goto only3Args;
- }
- value = 0;
- if (GetStatBuf(NULL, objv[2], Tcl_FSStat, &buf) == TCL_OK) {
- value = S_ISREG(buf.st_mode);
- }
- Tcl_SetBooleanObj(Tcl_GetObjResult(interp), value);
- return TCL_OK;
- }
- case FCMD_JOIN: {
- Tcl_Obj *resObj;
- 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;
- }
- case FCMD_LINK: {
- Tcl_Obj *contents;
- int index;
-
- if (objc < 3 || objc > 5) {
- Tcl_WrongNumArgs(interp, 2, objv,
- "?-linktype? linkname ?target?");
- return TCL_ERROR;
- }
-
- /* Index of the 'source' argument */
- if (objc == 5) {
- index = 3;
- } else {
- index = 2;
- }
-
- if (objc > 3) {
- int linkAction;
- if (objc == 5) {
- /* We have a '-linktype' argument */
- static CONST char *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;
- }
- /* Create link from source to target */
- contents = Tcl_FSLink(objv[index], objv[index+1], linkAction);
- if (contents == NULL) {
- /*
- * We handle two 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 "",
- Tcl_GetString(objv[index]),
- "": that path already exists", (char *) NULL);
- } else if (errno == ENOENT) {
- Tcl_AppendResult(interp, "could not create new link "",
- Tcl_GetString(objv[index]),
- "" since target "",
- Tcl_GetString(objv[index+1]),
- "" doesn't exist",
- (char *) NULL);
- } else {
- Tcl_AppendResult(interp, "could not create new link "",
- Tcl_GetString(objv[index]), "" pointing to "",
- Tcl_GetString(objv[index+1]), "": ",
- Tcl_PosixError(interp), (char *) NULL);
- }
- return TCL_ERROR;
- }
- } else {
- if (Tcl_FSConvertToPathType(interp, objv[index]) != TCL_OK) {
- return TCL_ERROR;
- }
- /* Read link */
- contents = Tcl_FSLink(objv[index], NULL, 0);
- if (contents == NULL) {
- Tcl_AppendResult(interp, "could not read link "",
- Tcl_GetString(objv[index]), "": ",
- Tcl_PosixError(interp), (char *) 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.
- */
- Tcl_DecrRefCount(contents);
- }
- return TCL_OK;
- }
- case FCMD_LSTAT: {
- char *varName;
- Tcl_StatBuf buf;
- 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;
- }
- varName = Tcl_GetString(objv[3]);
- return StoreStatData(interp, varName, &buf);
- }
- case FCMD_MTIME: {
- Tcl_StatBuf buf;
- struct utimbuf tval;
- if ((objc < 3) || (objc > 4)) {
- Tcl_WrongNumArgs(interp, 2, objv, "name ?time?");
- return TCL_ERROR;
- }
- if (GetStatBuf(interp, objv[2], Tcl_FSStat, &buf) != TCL_OK) {
- return TCL_ERROR;
- }
- if (objc == 4) {
- long newTime;
- if (Tcl_GetLongFromObj(interp, objv[3], &newTime) != TCL_OK) {
- return TCL_ERROR;
- }
- tval.actime = buf.st_atime;
- tval.modtime = newTime;
- if (Tcl_FSUtime(objv[2], &tval) != 0) {
- Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
- "could not set modification time for file "",
- Tcl_GetString(objv[2]), "": ",
- Tcl_PosixError(interp), (char *) NULL);
- return TCL_ERROR;
- }
- /*
- * 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 (GetStatBuf(interp, objv[2], Tcl_FSStat, &buf) != TCL_OK) {
- return TCL_ERROR;
- }
- }
- Tcl_SetLongObj(Tcl_GetObjResult(interp), (long) buf.st_mtime);
- return TCL_OK;
- }
- case FCMD_MKDIR: {
- if (objc < 3) {
- Tcl_WrongNumArgs(interp, 2, objv, "name ?name ...?");
- return TCL_ERROR;
- }
- return TclFileMakeDirsCmd(interp, objc, objv);
- }
- case FCMD_NATIVENAME: {
- CONST char *fileName;
- Tcl_DString ds;
- if (objc != 3) {
- goto only3Args;
- }
- fileName = Tcl_GetString(objv[2]);
- fileName = Tcl_TranslateFileName(interp, fileName, &ds);
- if (fileName == NULL) {
- return TCL_ERROR;
- }
- Tcl_SetStringObj(Tcl_GetObjResult(interp), fileName,
- Tcl_DStringLength(&ds));
- Tcl_DStringFree(&ds);
- return TCL_OK;
- }
- case FCMD_NORMALIZE: {
- Tcl_Obj *fileName;
- if (objc != 3) {
- Tcl_WrongNumArgs(interp, 2, objv, "filename");
- return TCL_ERROR;
- }
- fileName = Tcl_FSGetNormalizedPath(interp, objv[2]);
- if (fileName == NULL) {
- return TCL_ERROR;
- }
- Tcl_SetObjResult(interp, fileName);
- return TCL_OK;
- }
- case FCMD_OWNED: {
- int value;
- Tcl_StatBuf buf;
-
- if (objc != 3) {
- goto only3Args;
- }
- value = 0;
- if (GetStatBuf(NULL, objv[2], Tcl_FSStat, &buf) == TCL_OK) {
- /*
- * For Windows and Macintosh, there are no user ids
- * associated with a file, so we always return 1.
- */
- #if (defined(__WIN32__) || defined(MAC_TCL))
- value = 1;
- #else
- value = (geteuid() == buf.st_uid);
- #endif
- }
- Tcl_SetBooleanObj(Tcl_GetObjResult(interp), value);
- return TCL_OK;
- }
- case FCMD_PATHTYPE: {
- if (objc != 3) {
- goto only3Args;
- }
- switch (Tcl_FSGetPathType(objv[2])) {
- case TCL_PATH_ABSOLUTE:
- Tcl_SetStringObj(Tcl_GetObjResult(interp), "absolute", -1);
- break;
- case TCL_PATH_RELATIVE:
- Tcl_SetStringObj(Tcl_GetObjResult(interp), "relative", -1);
- break;
- case TCL_PATH_VOLUME_RELATIVE:
- Tcl_SetStringObj(Tcl_GetObjResult(interp),
- "volumerelative", -1);
- break;
- }
- return TCL_OK;
- }
- case FCMD_READABLE: {
- if (objc != 3) {
- goto only3Args;
- }
- return CheckAccess(interp, objv[2], R_OK);
- }
- case FCMD_READLINK: {
- Tcl_Obj *contents;
-
- if (objc != 3) {
- goto only3Args;
- }
-
- if (Tcl_FSConvertToPathType(interp, objv[2]) != TCL_OK) {
- return TCL_ERROR;
- }
- contents = Tcl_FSLink(objv[2], NULL, 0);
- if (contents == NULL) {
- Tcl_AppendResult(interp, "could not readlink "",
- Tcl_GetString(objv[2]), "": ",
- Tcl_PosixError(interp), (char *) NULL);
- return TCL_ERROR;
- }
- Tcl_SetObjResult(interp, contents);
- Tcl_DecrRefCount(contents);
- return TCL_OK;
- }
- case FCMD_RENAME: {
- return TclFileRenameCmd(interp, objc, objv);
- }
- case FCMD_ROOTNAME: {
- int length;
- char *fileName, *extension;
-
- if (objc != 3) {
- goto only3Args;
- }
- fileName = Tcl_GetStringFromObj(objv[2], &length);
- extension = TclGetExtension(fileName);
- if (extension == NULL) {
- Tcl_SetObjResult(interp, objv[2]);
- } else {
- Tcl_SetStringObj(Tcl_GetObjResult(interp), fileName,
- (int) (length - strlen(extension)));
- }
- return TCL_OK;
- }
- case FCMD_SEPARATOR: {
- if ((objc < 2) || (objc > 3)) {
- Tcl_WrongNumArgs(interp, 2, objv, "?name?");
- return TCL_ERROR;
- }
- if (objc == 2) {
- char *separator = NULL; /* lint */
- switch (tclPlatform) {
- case TCL_PLATFORM_UNIX:
- separator = "/";
- break;
- case TCL_PLATFORM_WINDOWS:
- separator = "\";
- break;
- case TCL_PLATFORM_MAC:
- separator = ":";
- break;
- }
- Tcl_SetObjResult(interp, Tcl_NewStringObj(separator,1));
- } else {
- Tcl_Obj *separatorObj = Tcl_FSPathSeparator(objv[2]);
- if (separatorObj != NULL) {
- Tcl_SetObjResult(interp, separatorObj);
- } else {
- Tcl_SetObjResult(interp,
- Tcl_NewStringObj("Unrecognised path",-1));
- return TCL_ERROR;
- }
- }
- return TCL_OK;
- }
- case FCMD_SIZE: {
- Tcl_StatBuf buf;
-
- if (objc != 3) {
- goto only3Args;
- }
- if (GetStatBuf(interp, objv[2], Tcl_FSStat, &buf) != TCL_OK) {
- return TCL_ERROR;
- }
- Tcl_SetWideIntObj(Tcl_GetObjResult(interp),
- (Tcl_WideInt) buf.st_size);
- return TCL_OK;
- }
- case FCMD_SPLIT: {
- if (objc != 3) {
- goto only3Args;
- }
- Tcl_SetObjResult(interp, Tcl_FSSplitPath(objv[2], NULL));
- return TCL_OK;
- }
- case FCMD_STAT: {
- char *varName;
- Tcl_StatBuf buf;
-
- if (objc != 4) {
- Tcl_WrongNumArgs(interp, 1, objv, "stat name varName");
- return TCL_ERROR;
- }
- if (GetStatBuf(interp, objv[2], Tcl_FSStat, &buf) != TCL_OK) {
- return TCL_ERROR;
- }
- varName = Tcl_GetString(objv[3]);
- return StoreStatData(interp, varName, &buf);
- }
- case FCMD_SYSTEM: {
- Tcl_Obj* fsInfo;
- if (objc != 3) {
- goto only3Args;
- }
- fsInfo = Tcl_FSFileSystemInfo(objv[2]);
- if (fsInfo != NULL) {
- Tcl_SetObjResult(interp, fsInfo);
- return TCL_OK;
- } else {
- Tcl_SetObjResult(interp,
- Tcl_NewStringObj("Unrecognised path",-1));
- return TCL_ERROR;
- }
- }
- case FCMD_TAIL: {
- int splitElements;
- Tcl_Obj *splitPtr;
- if (objc != 3) {
- goto only3Args;
- }
- /*
- * The behaviour we want here is slightly different to
- * the standard Tcl_FSSplitPath in the handling of home
- * directories; Tcl_FSSplitPath preserves the "~" while
- * this code computes the actual full path name, if we
- * had just a single component.
- */
- splitPtr = Tcl_FSSplitPath(objv[2], &splitElements);
- if ((splitElements == 1) && (Tcl_GetString(objv[2])[0] == '~')) {
- Tcl_DecrRefCount(splitPtr);
- splitPtr = Tcl_FSGetNormalizedPath(interp, objv[2]);
- if (splitPtr == NULL) {
- return TCL_ERROR;
- }
- splitPtr = Tcl_FSSplitPath(splitPtr, &splitElements);
- }
- /*
- * Return the last component, unless it is the only component,
- * and it is the root of an absolute path.
- */
- if (splitElements > 0) {
- if ((splitElements > 1)
- || (Tcl_FSGetPathType(objv[2]) == TCL_PATH_RELATIVE)) {
-
- Tcl_Obj *tail = NULL;
- Tcl_ListObjIndex(NULL, splitPtr, splitElements-1, &tail);
- Tcl_SetObjResult(interp, tail);
- }
- }
- Tcl_DecrRefCount(splitPtr);
- return TCL_OK;
- }
- case FCMD_TYPE: {
- Tcl_StatBuf buf;
- if (objc != 3) {
- goto only3Args;
- }
- if (GetStatBuf(interp, objv[2], Tcl_FSLstat, &buf) != TCL_OK) {
- return TCL_ERROR;
- }
- Tcl_SetStringObj(Tcl_GetObjResult(interp),
- GetTypeFromMode((unsigned short) buf.st_mode), -1);
- return TCL_OK;
- }
- case FCMD_VOLUMES: {
- if (objc != 2) {
- Tcl_WrongNumArgs(interp, 2, objv, 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);
- }
- }
- only3Args:
- Tcl_WrongNumArgs(interp, 2, objv, "name");
- return TCL_ERROR;
- }
- /*
- *---------------------------------------------------------------------------
- *
- * CheckAccess --
- *
- * Utility procedure used by Tcl_FileObjCmd() to query file
- * attributes available through the access() system call.
- *
- * Results:
- * Always returns TCL_OK. Sets interp's result to boolean true or
- * false depending on whether the file has the specified attribute.
- *
- * Side effects:
- * None.
- *
- *---------------------------------------------------------------------------
- */
-
- static int
- CheckAccess(interp, objPtr, mode)
- Tcl_Interp *interp; /* Interp for status return. Must not be
- * NULL. */
- Tcl_Obj *objPtr; /* Name of file to check. */
- int mode; /* Attribute to check; passed as argument to
- * access(). */
- {
- int value;
-
- if (Tcl_FSConvertToPathType(interp, objPtr) != TCL_OK) {
- value = 0;
- } else {
- value = (Tcl_FSAccess(objPtr, mode) == 0);
- }
- Tcl_SetBooleanObj(Tcl_GetObjResult(interp), value);
- return TCL_OK;
- }
- /*
- *---------------------------------------------------------------------------
- *
- * GetStatBuf --
- *
- * Utility procedure used by Tcl_FileObjCmd() to query file
- * attributes available through the stat() or lstat() system call.
- *
- * Results:
- * The return value is TCL_OK if the specified file exists and can
- * be stat'ed, TCL_ERROR otherwise. If TCL_ERROR is returned, an
- * error message is left in interp's result. If TCL_OK is returned,
- * *statPtr is filled with information about the specified file.
- *
- * Side effects:
- * None.
- *
- *---------------------------------------------------------------------------
- */
- static int
- GetStatBuf(interp, objPtr, statProc, statPtr)
- Tcl_Interp *interp; /* Interp for error return. May be NULL. */
- Tcl_Obj *objPtr; /* Path name to examine. */
- Tcl_FSStatProc *statProc; /* Either stat() or lstat() depending on
- * desired behavior. */
- Tcl_StatBuf *statPtr; /* Filled with info about file obtained by
- * calling (*statProc)(). */
- {
- int status;
-
- if (Tcl_FSConvertToPathType(interp, objPtr) != TCL_OK) {
- return TCL_ERROR;
- }
- status = (*statProc)(objPtr, statPtr);
-
- if (status < 0) {
- if (interp != NULL) {
- Tcl_AppendResult(interp, "could not read "",
- Tcl_GetString(objPtr), "": ",
- Tcl_PosixError(interp), (char *) NULL);
- }
- return TCL_ERROR;
- }
- return TCL_OK;
- }
- /*
- *----------------------------------------------------------------------
- *
- * StoreStatData --
- *
- * This is a utility procedure that breaks out the fields of a
- * "stat" structure and stores them in textual form into the
- * elements of an associative array.
- *
- * Results:
- * Returns a standard Tcl return value. If an error occurs then
- * a message is left in interp's result.
- *
- * Side effects:
- * Elements of the associative array given by "varName" are modified.
- *
- *----------------------------------------------------------------------
- */
- static int
- StoreStatData(interp, varName, statPtr)
- Tcl_Interp *interp; /* Interpreter for error reports. */
- char *varName; /* Name of associative array variable
- * in which to store stat results. */
- Tcl_StatBuf *statPtr; /* Pointer to buffer containing
- * stat data to store in varName. */
- {
- Tcl_Obj *var = Tcl_NewStringObj(varName, -1);
- Tcl_Obj *field = Tcl_NewObj();
- Tcl_Obj *value;
- register unsigned short mode;
- /*
- * Assume Tcl_ObjSetVar2() does not keep a copy of the field name!
- */
- #define STORE_ARY(fieldName, object)
- Tcl_SetStringObj(field, (fieldName), -1);
- value = (object);
- if (Tcl_ObjSetVar2(interp,var,field,value,TCL_LEAVE_ERR_MSG) == NULL) {
- Tcl_DecrRefCount(var);
- Tcl_DecrRefCount(field);
- Tcl_DecrRefCount(value);
- return TCL_ERROR;
- }
- Tcl_IncrRefCount(var);
- Tcl_IncrRefCount(field);
- STORE_ARY("dev", Tcl_NewLongObj((long)statPtr->st_dev));
- /*
- * Watch out porters; the inode is meant to be an *unsigned* value,
- * so the cast might fail when there isn't a real arithmentic 'long
- * long' type...
- */
- STORE_ARY("ino", Tcl_NewWideIntObj((Tcl_WideInt)statPtr->st_ino));
- STORE_ARY("nlink", Tcl_NewLongObj((long)statPtr->st_nlink));
- STORE_ARY("uid", Tcl_NewLongObj((long)statPtr->st_uid));
- STORE_ARY("gid", Tcl_NewLongObj((long)statPtr->st_gid));
- STORE_ARY("size", Tcl_NewWideIntObj((Tcl_WideInt)statPtr->st_size));
- #ifdef HAVE_ST_BLOCKS
- STORE_ARY("blocks",Tcl_NewWideIntObj((Tcl_WideInt)statPtr->st_blocks));
- #endif
- STORE_ARY("atime", Tcl_NewLongObj((long)statPtr->st_atime));
- STORE_ARY("mtime", Tcl_NewLongObj((long)statPtr->st_mtime));
- STORE_ARY("ctime", Tcl_NewLongObj((long)statPtr->st_ctime));
- mode = (unsigned short) statPtr->st_mode;
- STORE_ARY("mode", Tcl_NewIntObj(mode));
- STORE_ARY("type", Tcl_NewStringObj(GetTypeFromMode(mode), -1));
- #undef STORE_ARY
- Tcl_DecrRefCount(var);
- Tcl_DecrRefCount(field);
- return TCL_OK;
- }
- /*
- *----------------------------------------------------------------------
- *
- * GetTypeFromMode --
- *
- * Given a mode word, returns a string identifying the type of a
- * file.
- *
- * Results:
- * A static text string giving the file type from mode.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
- static char *
- GetTypeFromMode(mode)
- int mode;
- {
- if (S_ISREG(mode)) {
- return "file";
- } else if (S_ISDIR(mode)) {
- return "directory";
- } else if (S_ISCHR(mode)) {
- return "characterSpecial";
- } else if (S_ISBLK(mode)) {
- return "blockSpecial";
- } else if (S_ISFIFO(mode)) {
- return "fifo";
- #ifdef S_ISLNK
- } else if (S_ISLNK(mode)) {
- return "link";
- #endif
- #ifdef S_ISSOCK
- } else if (S_ISSOCK(mode)) {
- return "socket";
- #endif
- }
- return "unknown";
- }
- /*
- *----------------------------------------------------------------------
- *
- * Tcl_ForObjCmd --
- *
- * This procedure is invoked to process the "for" Tcl command.
- * See the user documentation for details on what it does.
- *
- * With the bytecode compiler, this procedure is only called when
- * a command name is computed at runtime, and is "for" or the name
- * to which "for" was renamed: e.g.,
- * "set z for; $z {set i 0} {$i<100} {incr i} {puts $i}"
- *
- * Results:
- * A standard Tcl result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
- /* ARGSUSED */
- int
- Tcl_ForObjCmd(dummy, interp, objc, objv)
- ClientData dummy; /* Not used. */
- Tcl_Interp *interp; /* Current interpreter. */
- int objc; /* Number of arguments. */
- Tcl_Obj *CONST objv[]; /* Argument objects. */
- {
- int result, value;
- #ifdef TCL_TIP280
- Interp* iPtr = (Interp*) interp;
- #endif
- if (objc != 5) {
- Tcl_WrongNumArgs(interp, 1, objv, "start test next command");
- return TCL_ERROR;
- }
- #ifndef TCL_TIP280
- result = Tcl_EvalObjEx(interp, objv[1], 0);
- #else
- /* TIP #280. Make invoking context available to initial script */
- result = TclEvalObjEx(interp, objv[1], 0, iPtr->cmdFramePtr,1);
- #endif
- if (result != TCL_OK) {
- if (result == TCL_ERROR) {
- Tcl_AddErrorInfo(interp, "n ("for" initial command)");
- }
- return result;
- }
- while (1) {
- /*
- * We need to reset the result before passing it off to
- * Tcl_ExprBooleanObj. Otherwise, any error message will be appended
- * to the result of the last evaluation.
- */
- Tcl_ResetResult(interp);
- result = Tcl_ExprBooleanObj(interp, objv[2], &value);
- if (result != TCL_OK) {
- return result;
- }
- if (!value) {
- break;
- }
- #ifndef TCL_TIP280
- result = Tcl_EvalObjEx(interp, objv[4], 0);
- #else
- /* TIP #280. Make invoking context available to loop body */
- result = TclEvalObjEx(interp, objv[4], 0, iPtr->cmdFramePtr,4);
- #endif
- if ((result != TCL_OK) && (result != TCL_CONTINUE)) {
- if (result == TCL_ERROR) {
- char msg[32 + TCL_INTEGER_SPACE];
- sprintf(msg, "n ("for" body line %d)",interp->errorLine);
- Tcl_AddErrorInfo(interp, msg);
- }
- break;
- }
- #ifndef TCL_TIP280
- result = Tcl_EvalObjEx(interp, objv[3], 0);
- #else
- /* TIP #280. Make invoking context available to next script */
- result = TclEvalObjEx(interp, objv[3], 0, iPtr->cmdFramePtr,3);
- #endif
- if (result == TCL_BREAK) {
- break;
- } else if (result != TCL_OK) {
- if (result == TCL_ERROR) {
- Tcl_AddErrorInfo(interp, "n ("for" loop-end command)");
- }
- return result;
- }
- }
- if (result == TCL_BREAK) {
- result = TCL_OK;
- }
- if (result == TCL_OK) {
- Tcl_ResetResult(interp);
- }
- return result;
- }
- /*
- *----------------------------------------------------------------------
- *
- * Tcl_ForeachObjCmd --
- *
- * This object-based procedure is invoked to process the "foreach" Tcl
- * command. See the user documentation for details on what it does.
- *
- * Results:
- * A standard Tcl object result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
- /* ARGSUSED */
- int
- Tcl_ForeachObjCmd(dummy, interp, objc, objv)
- ClientData dummy; /* Not used. */
- Tcl_Interp *interp; /* Current interpreter. */
- int objc; /* Number of arguments. */
- Tcl_Obj *CONST objv[]; /* Argument objects. */
- {
- int result = TCL_OK;
- int i; /* i selects a value list */
- int j, maxj; /* Number of loop iterations */
- int v; /* v selects a loop variable */
- int numLists; /* Count of value lists */
- Tcl_Obj *bodyPtr;
- /*
- * We copy the argument object pointers into a local array to avoid
- * the problem that "objv" might become invalid. It is a pointer into
- * the evaluation stack and that stack might be grown and reallocated
- * if the loop body requires a large amount of stack space.
- */
-
- #define NUM_ARGS 9
- Tcl_Obj *(argObjStorage[NUM_ARGS]);
- Tcl_Obj **argObjv = argObjStorage;
-
- #define STATIC_LIST_SIZE 4
- int indexArray[STATIC_LIST_SIZE];
- int varcListArray[STATIC_LIST_SIZE];
- Tcl_Obj **varvListArray[STATIC_LIST_SIZE];
- int argcListArray[STATIC_LIST_SIZE];
- Tcl_Obj **argvListArray[STATIC_LIST_SIZE];
- int *index = indexArray; /* Array of value list indices */
- int *varcList = varcListArray; /* # loop variables per list */
- Tcl_Obj ***varvList = varvListArray; /* Array of var name lists */
- int *argcList = argcListArray; /* Array of value list sizes */
- Tcl_Obj ***argvList = argvListArray; /* Array of value lists */
- #ifdef TCL_TIP280
- Interp* iPtr = (Interp*) interp;
- #endif
- if (objc < 4 || (objc%2 != 0)) {
- Tcl_WrongNumArgs(interp, 1, objv,
- "varList list ?varList list ...? command");
- return TCL_ERROR;
- }
- /*
- * Create the object argument array "argObjv". Make sure argObjv is
- * large enough to hold the objc arguments.
- */
- if (objc > NUM_ARGS) {
- argObjv = (Tcl_Obj **) ckalloc(objc * sizeof(Tcl_Obj *));
- }
- for (i = 0; i < objc; i++) {
- argObjv[i] = objv[i];
- }
- /*
- * Manage numList parallel value lists.
- * argvList[i] is a value list counted by argcList[i]
- * varvList[i] is the list of variables associated with the value list
- * varcList[i] is the number of variables associated with the value list
- * index[i] is the current pointer into the value list argvList[i]
- */
- numLists = (objc-2)/2;
- if (numLists > STATIC_LIST_SIZE) {
- index = (int *) ckalloc(numLists * sizeof(int));
- varcList = (int *) ckalloc(numLists * sizeof(int));
- varvList = (Tcl_Obj ***) ckalloc(numLists * sizeof(Tcl_Obj **));
- argcList = (int *) ckalloc(numLists * sizeof(int));
- argvList = (Tcl_Obj ***) ckalloc(numLists * sizeof(Tcl_Obj **));
- }
- for (i = 0; i < numLists; i++) {
- index[i] = 0;
- varcList[i] = 0;
- varvList[i] = (Tcl_Obj **) NULL;
- argcList[i] = 0;
- argvList[i] = (Tcl_Obj **) NULL;
- }
- /*
- * Break up the value lists and variable lists into elements
- */
- maxj = 0;
- for (i = 0; i < numLists; i++) {
- result = Tcl_ListObjGetElements(interp, argObjv[1+i*2],
- &varcList[i], &varvList[i]);
- if (result != TCL_OK) {
- goto done;
- }
- if (varcList[i] < 1) {
- Tcl_AppendToObj(Tcl_GetObjResult(interp),
- "foreach varlist is empty", -1);
- result = TCL_ERROR;
- goto done;
- }
-
- result = Tcl_ListObjGetElements(interp, argObjv[2+i*2],
- &argcList[i], &argvList[i]);
- if (result != TCL_OK) {
- goto done;
- }
-
- j = argcList[i] / varcList[i];
- if ((argcList[i] % varcList[i]) != 0) {
- j++;
- }
- if (j > maxj) {
- maxj = j;
- }
- }
- /*
- * Iterate maxj times through the lists in parallel
- * If some value lists run out of values, set loop vars to ""
- */
-
- bodyPtr = argObjv[objc-1];
- for (j = 0; j < maxj; j++) {
- for (i = 0; i < numLists; i++) {
- /*
- * Refetch the list members; we assume that the sizes are
- * the same, but the array of elements might be different
- * if the internal rep of the objects has been lost and
- * recreated (it is too difficult to accurately tell when
- * this happens, which can lead to some wierd crashes,
- * like Bug #494348...)
- */
- result = Tcl_ListObjGetElements(interp, argObjv[1+i*2],
- &varcList[i], &varvList[i]);
- if (result != TCL_OK) {
- panic("Tcl_ForeachObjCmd: could not reconvert variable list %d to a list objectn", i);
- }
- result = Tcl_ListObjGetElements(interp, argObjv[2+i*2],
- &argcList[i], &argvList[i]);
- if (result != TCL_OK) {
- panic("Tcl_ForeachObjCmd: could not reconvert value list %d to a list objectn", i);
- }
-
- for (v = 0; v < varcList[i]; v++) {
- int k = index[i]++;
- Tcl_Obj *valuePtr, *varValuePtr;
-
- if (k < argcList[i]) {
- valuePtr = argvList[i][k];
- } else {
- valuePtr = Tcl_NewObj(); /* empty string */
- }
- Tcl_IncrRefCount(valuePtr);
- varValuePtr = Tcl_ObjSetVar2(interp, varvList[i][v],
- NULL, valuePtr, 0);
- Tcl_DecrRefCount(valuePtr);
- if (varValuePtr == NULL) {
- Tcl_ResetResult(interp);
- Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
- "couldn't set loop variable: "",
- Tcl_GetString(varvList[i][v]), """, (char *) NULL);
- result = TCL_ERROR;
- goto done;
- }
- }
- }
- #ifndef TCL_TIP280
- result = Tcl_EvalObjEx(interp, bodyPtr, 0);
- #else
- /* TIP #280. Make invoking context available to loop body */
- result = TclEvalObjEx(interp, bodyPtr, 0, iPtr->cmdFramePtr,objc-1);
- #endif
- if (result != TCL_OK) {
- if (result == TCL_CONTINUE) {
- result = TCL_OK;
- } else if (result == TCL_BREAK) {
- result = TCL_OK;
- break;
- } else if (result == TCL_ERROR) {
- char msg[32 + TCL_INTEGER_SPACE];
- sprintf(msg, "n ("foreach" body line %d)",
- interp->errorLine);
- Tcl_AddObjErrorInfo(interp, msg, -1);
- break;
- } else {
- break;
- }
- }
- }
- if (result == TCL_OK) {
- Tcl_ResetResult(interp);
- }
- done:
- if (numLists > STATIC_LIST_SIZE) {
- ckfree((char *) index);
- ckfree((char *) varcList);
- ckfree((char *) argcList);
- ckfree((char *) varvList);
- ckfree((char *) argvList);
- }
- if (argObjv != argObjStorage) {
- ckfree((char *) argObjv);
- }
- return result;
- #undef STATIC_LIST_SIZE
- #undef NUM_ARGS
- }
- /*
- *----------------------------------------------------------------------
- *
- * Tcl_FormatObjCmd --
- *
- * This procedure is invoked to process the "format" Tcl command.
- * See the user documentation for details on what it does.
- *
- * Results:
- * A standard Tcl result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
- /* ARGSUSED */
- int
- Tcl_FormatObjCmd(dummy, interp, objc, objv)
- ClientData dummy; /* Not used. */
- Tcl_Interp *interp; /* Current interpreter. */
- int objc; /* Number of arguments. */
- Tcl_Obj *CONST objv[]; /* Argument objects. */
- {
- char *format; /* Used to read characters from the format
- * string. */
- int formatLen; /* The length of the format string */
- char *endPtr; /* Points to the last char in format array */
- char newFormat[43]; /* A new format specifier is generated here. */
- int width; /* Field width from field specifier, or 0 if
- * no width given. */
- int precision; /* Field precision from field specifier, or 0
- * if no precision given. */
- int size; /* Number of bytes needed for result of
- * conversion, based on type of conversion
- * ("e", "s", etc.), width, and precision. */
- long intValue; /* Used to hold value to pass to sprintf, if
- * it's a one-word integer or char value */
- char *ptrValue = NULL; /* Used to hold value to pass to sprintf, if
- * it's a one-word value. */
- double doubleValue; /* Used to hold value to pass to sprintf if
- * it's a double value. */
- Tcl_WideInt wideValue; /* Used to hold value to pass to sprintf if
- * it's a 'long long' value. */
- int whichValue; /* Indicates which of intValue, ptrValue,
- * or doubleValue has the value to pass to
- * sprintf, according to the following
- * definitions: */
- # define INT_VALUE 0
- # define CHAR_VALUE 1
- # define PTR_VALUE 2
- # define DOUBLE_VALUE 3
- # define STRING_VALUE 4
- # define WIDE_VALUE 5
- # define MAX_FLOAT_SIZE 320
- Tcl_Obj *resultPtr; /* Where result is stored finally. */
- char staticBuf[MAX_FLOAT_SIZE + 1];
- /* A static buffer to copy the format results
- * into */
- char *dst = staticBuf; /* The buffer that sprintf writes into each
- * time the format processes a specifier */
- int dstSize = MAX_FLOAT_SIZE;
- /* The size of the dst buffer */
- int noPercent; /* Special case for speed: indicates there's
- * no field specifier, just a string to copy.*/
- int objIndex; /* Index of argument to substitute next. */
- int gotXpg = 0; /* Non-zero means that an XPG3 %n$-style
- * specifier has been seen. */
- int gotSequential = 0; /* Non-zero means that a regular sequential
- * (non-XPG3) conversion specifier has been
- * seen. */
- int useShort; /* Value to be printed is short (half word). */
- char *end; /* Used to locate end of numerical fields. */
- int stringLen = 0; /* Length of string in characters rather
- * than bytes. Used for %s substitution. */
- int gotMinus; /* Non-zero indicates that a minus flag has
- * been seen in the current field. */
- int gotPrecision; /* Non-zero indicates that a precision has
- * been set for the current field. */
- int gotZero; /* Non-zero indicates that a zero flag has
- * been seen in the current field. */
- int useWide; /* Value to be printed is Tcl_WideInt. */
- /*
- * This procedure is a bit nasty. The goal is to use sprintf to
- * do most of the dirty work. There are several problems:
- * 1. this procedure can't trust its arguments.
- * 2. we must be able to provide a large enough result area to hold
- * whatever's generated. This is hard to estimate.
- * 3. there's no way to move the arguments from objv to the call
- * to sprintf in a reasonable way. This is particularly nasty
- * because some of the arguments may be two-word values (doubles
- * and wide-ints).
- * So, what happens here is to scan the format string one % group
- * at a time, making many individual calls to sprintf.
- */
- if (objc < 2) {
- Tcl_WrongNumArgs(interp, 1, objv, "formatString ?arg arg ...?");
- return TCL_ERROR;
- }
- format = Tcl_GetStringFromObj(objv[1], &formatLen);
- endPtr = format + formatLen;
- resultPtr = Tcl_NewObj();
- objIndex = 2;
- while (format < endPtr) {
- register char *newPtr = newFormat;
- width = precision = noPercent = useShort = 0;
- gotZero = gotMinus = gotPrecision = 0;
- useWide = 0;
- whichValue = PTR_VALUE;
- /*
- * Get rid of any characters before the next field specifier.
- */
- if (*format != '%') {
- ptrValue = format;
- while ((*format != '%') && (format < endPtr)) {
- format++;
- }
- size = format - ptrValue;
- noPercent = 1;
- goto doField;
- }
- if (format[1] == '%') {
- ptrValue = format;
- size = 1;
- noPercent = 1;
- format += 2;
- goto doField;
- }
- /*
- * Parse off a field specifier, compute how many characters
- * will be needed to store the result, and substitute for
- * "*" size specifiers.
- */
- *newPtr = '%';
- newPtr++;
- format++;
- if (isdigit(UCHAR(*format))) { /* INTL: Tcl source. */
- int tmp;
- /*
- * Check for an XPG3-style %n$ specification. Note: there
- * must not be a mixture of XPG3 specs and non-XPG3 specs
- * in the same format string.
- */
- tmp = strtoul(format, &end, 10); /* INTL: "C" locale. */
- if (*end != '$') {
- goto notXpg;
- }
- format = end+1;
- gotXpg = 1;
- if (gotSequential) {
- goto mixedXPG;
- }
- objIndex = tmp+1;
- if ((objIndex < 2) || (objIndex >= objc)) {
- goto badIndex;
- }
- goto xpgCheckDone;
- }
- notXpg:
- gotSequential = 1;
- if (gotXpg) {
- goto mixedXPG;
- }
- xpgCheckDone:
- while ((*format == '-') || (*format == '#') || (*format == '0')
- || (*format == ' ') || (*format == '+')) {
- if (*format == '-') {
- gotMinus = 1;
- }
- if (*format == '0') {
- /*
- * This will be handled by sprintf for numbers, but we
- * need to do the char/string ones ourselves
- */
- gotZero = 1;
- }
- *newPtr = *format;
- newPtr++;
- format++;
- }
- if (isdigit(UCHAR(*format))) { /* INTL: Tcl source. */
- width = strtoul(format, &end, 10); /* INTL: Tcl source. */
- format = end;
- } else if (*format == '*') {
- if (objIndex >= objc) {
- goto badIndex;
- }
- if (Tcl_GetIntFromObj(interp, /* INTL: Tcl source. */
- objv[objIndex], &width) != TCL_OK) {
- goto fmtError;
- }
- if (width < 0) {
- width = -width;
- *newPtr = '-';
- gotMinus = 1;
- newPtr++;
- }
- objIndex++;
- format++;
- }
- if (width > 100000) {
- /*
- * Don't allow arbitrarily large widths: could cause core
- * dump when we try to allocate a zillion bytes of memory
- * below.
- */
- width = 100000;
- } else if (width < 0) {
- width = 0;
- }
- if (width != 0) {
- TclFormatInt(newPtr, width); /* INTL: printf format. */
- while (*newPtr != 0) {
- newPtr++;
- }
- }
- if (*format == '.') {
- *newPtr = '.';
- newPtr++;
- format++;
- gotPrecision = 1;
- }
- if (isdigit(UCHAR(*format))) { /* INTL: Tcl source. */
- precision = strtoul(format, &end, 10); /* INTL: "C" locale. */
- format = end;
- } else if (*format == '*') {
- if (objIndex >= objc) {
- goto badIndex;
- }
- if (Tcl_GetIntFromObj(interp, /* INTL: Tcl source. */
- objv[objIndex], &precision) != TCL_OK) {
- goto fmtError;
- }
- objIndex++;
- format++;
- }
- if (gotPrecision) {
- TclFormatInt(newPtr, precision); /* INTL: printf format. */
- while (*newPtr != 0) {
- newPtr++;
- }
- }
- if (*format == 'l') {
- useWide = 1;
- /*
- * Only add a 'll' modifier for integer values as it makes
- * some libc's go into spasm otherwise. [Bug #702622]
- */
- switch (format[1]) {
- case 'i':
- case 'd':
- case 'o':
- case 'u':
- case 'x':
- case 'X':
- strcpy(newPtr, TCL_LL_MODIFIER);
- newPtr += TCL_LL_MODIFIER_SIZE;
- }
- format++;
- } else if (*format == 'h') {
- useShort = 1;
- *newPtr = 'h';
- newPtr++;
- format++;
- }
- *newPtr = *format;
- newPtr++;
- *newPtr = 0;
- if (objIndex >= objc) {
- goto badIndex;
- }
- switch (*format) {
- case 'i':
- newPtr[-1] = 'd';
- case 'd':
- case 'o':
- case 'u':
- case 'x':
- case 'X':
- if (useWide) {
- if (Tcl_GetWideIntFromObj(interp, /* INTL: Tcl source. */
- objv[objIndex], &wideValue) != TCL_OK) {
- goto fmtError;
- }
- whichValue = WIDE_VALUE;
- size = 40 + precision;
- break;
- }
- if (Tcl_GetLongFromObj(interp, /* INTL: Tcl source. */
- objv[objIndex], &intValue) != TCL_OK) {
- if (Tcl_GetWideIntFromObj(interp, /* INTL: Tcl source. */
- objv[objIndex], &wideValue) != TCL_OK) {
- goto fmtError;
- }
- intValue = Tcl_WideAsLong(wideValue);
- }
- #if (LONG_MAX > INT_MAX)
- if (!useShort) {
- /*
- * Add the 'l' for long format type because we are on an
- * LP64 archtecture and we are really going to pass a long
- * argument to sprintf.
- *
- * Do not add this if we're going to pass in a short (i.e.
- * if we've got an 'h' modifier already in the string); some
- * libc implementations of sprintf() do not like it at all.
- * [Bug 1154163]
- */
- newPtr++;
- *newPtr = 0;
- newPtr[-1] = newPtr[-2];
- newPtr[-2] = 'l';
- }
- #endif /* LONG_MAX > INT_MAX */
- whichValue = INT_VALUE;
- size = 40 + precision;
- break;
- case 's':
- /*
- * Compute the length of the string in characters and add
- * any additional space required by the field width. All
- * of the extra characters will be spaces, so one byte per
- * character is adequate.
- */
- whichValue = STRING_VALUE;
- ptrValue = Tcl_GetStringFromObj(objv[objIndex], &size);
- stringLen = Tcl_NumUtfChars(ptrValue, size);
- if (gotPrecision && (precision < stringLen)) {
- stringLen = precision;
- }
- size = Tcl_UtfAtIndex(ptrValue, stringLen) - ptrValue;
- if (width > stringLen) {
- size += (width - stringLen);
- }
- break;
- case 'c':
- if (Tcl_GetLongFromObj(interp, /* INTL: Tcl source. */
- objv[objIndex], &intValue) != TCL_OK) {
- goto fmtError;
- }
- whichValue = CHAR_VALUE;
- size = width + TCL_UTF_MAX;
- break;
- case 'e':
- case 'E':
- case 'f':
- case 'g':
- case 'G':
- if (Tcl_GetDoubleFromObj(interp, /* INTL: Tcl source. */
- objv[objIndex], &doubleValue) != TCL_OK) {
- goto fmtError;
- }
- whichValue = DOUBLE_VALUE;
- size = MAX_FLOAT_SIZE;
- if (precision > 10) {
- size += precision;
- }
- break;
- case 0:
- Tcl_SetResult(interp,
- "format string ended in middle of field specifier",
- TCL_STATIC);
- goto fmtError;
- default:
- {
- char buf[40];
- sprintf(buf, "bad field specifier "%c"", *format);
- Tcl_SetResult(interp, buf, TCL_VOLATILE);
- goto fmtError;
- }
- }
- objIndex++;
- format++;
- /*
- * Make sure that there's enough space to hold the formatted
- * result, then format it.
- */
- doField:
- if (width > size) {
- size = width;
- }
- if (noPercent) {
- Tcl_AppendToObj(resultPtr, ptrValue, size);
- } else {
- if (size > dstSize) {
- if (dst != staticBuf) {
- ckfree(dst);
- }
- dst = (char *) ckalloc((unsigned) (size + 1));
- dstSize = size;
- }
- switch (whichValue) {
- case DOUBLE_VALUE:
- sprintf(dst, newFormat, doubleValue); /* INTL: user locale. */
- break;
- case WIDE_VALUE:
- sprintf(dst, newFormat, wideValue);
- break;
- case INT_VALUE:
- if (useShort) {
- sprintf(dst, newFormat, (short) intValue);
- } else {
- sprintf(dst, newFormat, intValue);
- }
- break;
- case CHAR_VALUE: {
- char *ptr;
- char padChar = (gotZero ? '0' : ' ');
- ptr = dst;
- if (!gotMinus) {
- for ( ; --width > 0; ptr++) {
- *ptr = padChar;
- }
- }
- ptr += Tcl_UniCharToUtf(intValue, ptr);
- for ( ; --width > 0; ptr++) {
- *ptr = padChar;
- }
- *ptr = ' ';
- break;
- }
- case STRING_VALUE: {
- char *ptr;
- char padChar = (gotZero ? '0' : ' ');
- int pad;
- ptr = dst;
- if (width > stringLen) {
- pad = width - stringLen;
- } else {
- pad = 0;
- }
- if (!gotMinus) {
- while (pad > 0) {
- *ptr++ = padChar;
- pad--;
- }
- }
- size = Tcl_UtfAtIndex(ptrValue, stringLen) - ptrValue;
- if (size) {
- memcpy(ptr, ptrValue, (size_t) size);
- ptr += size;
- }
- while (pad > 0) {
- *ptr++ = padChar;
- pad--;
- }
- *ptr = ' ';
- break;
- }
- default:
- sprintf(dst, newFormat, ptrValue);
- break;
- }
- Tcl_AppendToObj(resultPtr, dst, -1);
- }
- }
- Tcl_SetObjResult(interp, resultPtr);
- if (dst != staticBuf) {
- ckfree(dst);
- }
- return TCL_OK;
- mixedXPG:
- Tcl_SetResult(interp,
- "cannot mix "%" and "%n$" conversion specifiers", TCL_STATIC);
- goto fmtError;
- badIndex:
- if (gotXpg) {
- Tcl_SetResult(interp,
- ""%n$" argument index out of range", TCL_STATIC);
- } else {
- Tcl_SetResult(interp,
- "not enough arguments for all format specifiers", TCL_STATIC);
- }
- fmtError:
- if (dst != staticBuf) {
- ckfree(dst);
- }
- Tcl_DecrRefCount(resultPtr);
- return TCL_ERROR;
- }
- /*
- * Local Variables:
- * mode: c
- * c-basic-offset: 4
- * fill-column: 78
- * End:
- */