sl@0: /* 
sl@0:  * tclCmdAH.c --
sl@0:  *
sl@0:  *	This file contains the top-level command routines for most of
sl@0:  *	the Tcl built-in commands whose names begin with the letters
sl@0:  *	A to H.
sl@0:  *
sl@0:  * Copyright (c) 1987-1993 The Regents of the University of California.
sl@0:  * Copyright (c) 1994-1997 Sun Microsystems, Inc.
sl@0:  * Portions Copyright (c) 2007 Nokia Corporation and/or its subsidiaries. All rights reserved.   
sl@0:  *
sl@0:  * See the file "license.terms" for information on usage and redistribution
sl@0:  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
sl@0:  *
sl@0:  * RCS: @(#) $Id: tclCmdAH.c,v 1.27.2.16 2006/11/28 22:20:00 andreas_kupries Exp $
sl@0:  */
sl@0: 
sl@0: #include "tclInt.h"
sl@0: #include "tclPort.h"
sl@0: #include <locale.h>
sl@0: #if defined(__SYMBIAN32__) 
sl@0: #include "tclSymbianGlobals.h"
sl@0: #endif 
sl@0: 
sl@0: /*
sl@0:  * Prototypes for local procedures defined in this file:
sl@0:  */
sl@0: 
sl@0: static int		CheckAccess _ANSI_ARGS_((Tcl_Interp *interp,
sl@0: 			    Tcl_Obj *objPtr, int mode));
sl@0: static int		GetStatBuf _ANSI_ARGS_((Tcl_Interp *interp,
sl@0: 			    Tcl_Obj *objPtr, Tcl_FSStatProc *statProc,
sl@0: 			    Tcl_StatBuf *statPtr));
sl@0: static char *		GetTypeFromMode _ANSI_ARGS_((int mode));
sl@0: static int		StoreStatData _ANSI_ARGS_((Tcl_Interp *interp,
sl@0: 			    char *varName, Tcl_StatBuf *statPtr));
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * Tcl_BreakObjCmd --
sl@0:  *
sl@0:  *	This procedure is invoked to process the "break" Tcl command.
sl@0:  *	See the user documentation for details on what it does.
sl@0:  *
sl@0:  *	With the bytecode compiler, this procedure is only called when
sl@0:  *	a command name is computed at runtime, and is "break" or the name
sl@0:  *	to which "break" was renamed: e.g., "set z break; $z"
sl@0:  *
sl@0:  * Results:
sl@0:  *	A standard Tcl result.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *	See the user documentation.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0: 	/* ARGSUSED */
sl@0: int
sl@0: Tcl_BreakObjCmd(dummy, interp, objc, objv)
sl@0:     ClientData dummy;			/* Not used. */
sl@0:     Tcl_Interp *interp;			/* Current interpreter. */
sl@0:     int objc;				/* Number of arguments. */
sl@0:     Tcl_Obj *CONST objv[];		/* Argument objects. */
sl@0: {
sl@0:     if (objc != 1) {
sl@0: 	Tcl_WrongNumArgs(interp, 1, objv, NULL);
sl@0: 	return TCL_ERROR;
sl@0:     }
sl@0:     return TCL_BREAK;
sl@0: }
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * Tcl_CaseObjCmd --
sl@0:  *
sl@0:  *	This procedure is invoked to process the "case" Tcl command.
sl@0:  *	See the user documentation for details on what it does.
sl@0:  *
sl@0:  * Results:
sl@0:  *	A standard Tcl object result.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *	See the user documentation.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0: 	/* ARGSUSED */
sl@0: int
sl@0: Tcl_CaseObjCmd(dummy, interp, objc, objv)
sl@0:     ClientData dummy;		/* Not used. */
sl@0:     Tcl_Interp *interp;		/* Current interpreter. */
sl@0:     int objc;			/* Number of arguments. */
sl@0:     Tcl_Obj *CONST objv[];	/* Argument objects. */
sl@0: {
sl@0:     register int i;
sl@0:     int body, result, caseObjc;
sl@0:     char *string, *arg;
sl@0:     Tcl_Obj *CONST *caseObjv;
sl@0:     Tcl_Obj *armPtr;
sl@0: 
sl@0:     if (objc < 3) {
sl@0: 	Tcl_WrongNumArgs(interp, 1, objv,
sl@0: 		"string ?in? patList body ... ?default body?");
sl@0: 	return TCL_ERROR;
sl@0:     }
sl@0: 
sl@0:     string = Tcl_GetString(objv[1]);
sl@0:     body = -1;
sl@0: 
sl@0:     arg = Tcl_GetString(objv[2]);
sl@0:     if (strcmp(arg, "in") == 0) {
sl@0: 	i = 3;
sl@0:     } else {
sl@0: 	i = 2;
sl@0:     }
sl@0:     caseObjc = objc - i;
sl@0:     caseObjv = objv + i;
sl@0: 
sl@0:     /*
sl@0:      * If all of the pattern/command pairs are lumped into a single
sl@0:      * argument, split them out again.
sl@0:      */
sl@0: 
sl@0:     if (caseObjc == 1) {
sl@0: 	Tcl_Obj **newObjv;
sl@0: 	
sl@0: 	Tcl_ListObjGetElements(interp, caseObjv[0], &caseObjc, &newObjv);
sl@0: 	caseObjv = newObjv;
sl@0:     }
sl@0: 
sl@0:     for (i = 0;  i < caseObjc;  i += 2) {
sl@0: 	int patObjc, j;
sl@0: 	CONST char **patObjv;
sl@0: 	char *pat;
sl@0: 	unsigned char *p;
sl@0: 
sl@0: 	if (i == (caseObjc - 1)) {
sl@0: 	    Tcl_ResetResult(interp);
sl@0: 	    Tcl_AppendToObj(Tcl_GetObjResult(interp),
sl@0: 	            "extra case pattern with no body", -1);
sl@0: 	    return TCL_ERROR;
sl@0: 	}
sl@0: 
sl@0: 	/*
sl@0: 	 * Check for special case of single pattern (no list) with
sl@0: 	 * no backslash sequences.
sl@0: 	 */
sl@0: 
sl@0: 	pat = Tcl_GetString(caseObjv[i]);
sl@0: 	for (p = (unsigned char *) pat; *p != '\0'; p++) {
sl@0: 	    if (isspace(*p) || (*p == '\\')) {	/* INTL: ISO space, UCHAR */
sl@0: 		break;
sl@0: 	    }
sl@0: 	}
sl@0: 	if (*p == '\0') {
sl@0: 	    if ((*pat == 'd') && (strcmp(pat, "default") == 0)) {
sl@0: 		body = i + 1;
sl@0: 	    }
sl@0: 	    if (Tcl_StringMatch(string, pat)) {
sl@0: 		body = i + 1;
sl@0: 		goto match;
sl@0: 	    }
sl@0: 	    continue;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: 	/*
sl@0: 	 * Break up pattern lists, then check each of the patterns
sl@0: 	 * in the list.
sl@0: 	 */
sl@0: 
sl@0: 	result = Tcl_SplitList(interp, pat, &patObjc, &patObjv);
sl@0: 	if (result != TCL_OK) {
sl@0: 	    return result;
sl@0: 	}
sl@0: 	for (j = 0; j < patObjc; j++) {
sl@0: 	    if (Tcl_StringMatch(string, patObjv[j])) {
sl@0: 		body = i + 1;
sl@0: 		break;
sl@0: 	    }
sl@0: 	}
sl@0: 	ckfree((char *) patObjv);
sl@0: 	if (j < patObjc) {
sl@0: 	    break;
sl@0: 	}
sl@0:     }
sl@0: 
sl@0:     match:
sl@0:     if (body != -1) {
sl@0: 	armPtr = caseObjv[body - 1];
sl@0: 	result = Tcl_EvalObjEx(interp, caseObjv[body], 0);
sl@0: 	if (result == TCL_ERROR) {
sl@0: 	    char msg[100 + TCL_INTEGER_SPACE];
sl@0: 	    
sl@0: 	    arg = Tcl_GetString(armPtr);
sl@0: 	    sprintf(msg,
sl@0: 		    "\n    (\"%.50s\" arm line %d)", arg,
sl@0: 	            interp->errorLine);
sl@0: 	    Tcl_AddObjErrorInfo(interp, msg, -1);
sl@0: 	}
sl@0: 	return result;
sl@0:     }
sl@0: 
sl@0:     /*
sl@0:      * Nothing matched: return nothing.
sl@0:      */
sl@0: 
sl@0:     return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * Tcl_CatchObjCmd --
sl@0:  *
sl@0:  *	This object-based procedure is invoked to process the "catch" Tcl 
sl@0:  *	command. See the user documentation for details on what it does.
sl@0:  *
sl@0:  * Results:
sl@0:  *	A standard Tcl object result.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *	See the user documentation.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0: 	/* ARGSUSED */
sl@0: int
sl@0: Tcl_CatchObjCmd(dummy, interp, objc, objv)
sl@0:     ClientData dummy;		/* Not used. */
sl@0:     Tcl_Interp *interp;		/* Current interpreter. */
sl@0:     int objc;			/* Number of arguments. */
sl@0:     Tcl_Obj *CONST objv[];	/* Argument objects. */
sl@0: {
sl@0:     Tcl_Obj *varNamePtr = NULL;
sl@0:     int result;
sl@0: #ifdef TCL_TIP280
sl@0:     Interp* iPtr = (Interp*) interp;
sl@0: #endif
sl@0: 
sl@0:     if ((objc != 2) && (objc != 3)) {
sl@0: 	Tcl_WrongNumArgs(interp, 1, objv, "command ?varName?");
sl@0: 	return TCL_ERROR;
sl@0:     }
sl@0: 
sl@0:     if (objc == 3) {
sl@0: 	varNamePtr = objv[2];
sl@0:     }
sl@0: 
sl@0: #ifndef TCL_TIP280
sl@0:     result = Tcl_EvalObjEx(interp, objv[1], 0);
sl@0: #else
sl@0:     /* TIP #280. Make invoking context available to caught script */
sl@0:     result = TclEvalObjEx(interp, objv[1], 0, iPtr->cmdFramePtr,1);
sl@0: #endif
sl@0:     
sl@0:     if (objc == 3) {
sl@0: 	if (Tcl_ObjSetVar2(interp, varNamePtr, NULL,
sl@0: 		Tcl_GetObjResult(interp), 0) == NULL) {
sl@0: 	    Tcl_ResetResult(interp);
sl@0: 	    Tcl_AppendToObj(Tcl_GetObjResult(interp),  
sl@0: 	            "couldn't save command result in variable", -1);
sl@0: 	    return TCL_ERROR;
sl@0: 	}
sl@0:     }
sl@0: 
sl@0:     /*
sl@0:      * Set the interpreter's object result to an integer object holding the
sl@0:      * integer Tcl_EvalObj result. Note that we don't bother generating a
sl@0:      * string representation. We reset the interpreter's object result
sl@0:      * to an unshared empty object and then set it to be an integer object.
sl@0:      */
sl@0: 
sl@0:     Tcl_ResetResult(interp);
sl@0:     Tcl_SetIntObj(Tcl_GetObjResult(interp), result);
sl@0:     return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * Tcl_CdObjCmd --
sl@0:  *
sl@0:  *	This procedure is invoked to process the "cd" Tcl command.
sl@0:  *	See the user documentation for details on what it does.
sl@0:  *
sl@0:  * Results:
sl@0:  *	A standard Tcl result.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *	See the user documentation.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0: 	/* ARGSUSED */
sl@0: int
sl@0: Tcl_CdObjCmd(dummy, interp, objc, objv)
sl@0:     ClientData dummy;		/* Not used. */
sl@0:     Tcl_Interp *interp;		/* Current interpreter. */
sl@0:     int objc;			/* Number of arguments. */
sl@0:     Tcl_Obj *CONST objv[];	/* Argument objects. */
sl@0: {
sl@0:     Tcl_Obj *dir;
sl@0:     int result;
sl@0: 
sl@0:     if (objc > 2) {
sl@0: 	Tcl_WrongNumArgs(interp, 1, objv, "?dirName?");
sl@0: 	return TCL_ERROR;
sl@0:     }
sl@0: 
sl@0:     if (objc == 2) {
sl@0: 	dir = objv[1];
sl@0:     } else {
sl@0: 	dir = Tcl_NewStringObj("~",1);
sl@0: 	Tcl_IncrRefCount(dir);
sl@0:     }
sl@0:     if (Tcl_FSConvertToPathType(interp, dir) != TCL_OK) {
sl@0: 	result = TCL_ERROR;
sl@0:     } else {
sl@0: 	result = Tcl_FSChdir(dir);
sl@0: 	if (result != TCL_OK) {
sl@0: 	    Tcl_AppendResult(interp, "couldn't change working directory to \"",
sl@0: 		    Tcl_GetString(dir), "\": ", Tcl_PosixError(interp), (char *) NULL);
sl@0: 	    result = TCL_ERROR;
sl@0: 	}
sl@0:     }
sl@0:     if (objc != 2) {
sl@0: 	Tcl_DecrRefCount(dir);
sl@0:     }
sl@0:     return result;
sl@0: }
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * Tcl_ConcatObjCmd --
sl@0:  *
sl@0:  *	This object-based procedure is invoked to process the "concat" Tcl
sl@0:  *	command. See the user documentation for details on what it does.
sl@0:  *
sl@0:  * Results:
sl@0:  *	A standard Tcl object result.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *	See the user documentation.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0: 	/* ARGSUSED */
sl@0: int
sl@0: Tcl_ConcatObjCmd(dummy, interp, objc, objv)
sl@0:     ClientData dummy;		/* Not used. */
sl@0:     Tcl_Interp *interp;		/* Current interpreter. */
sl@0:     int objc;			/* Number of arguments. */
sl@0:     Tcl_Obj *CONST objv[];	/* Argument objects. */
sl@0: {
sl@0:     if (objc >= 2) {
sl@0: 	Tcl_SetObjResult(interp, Tcl_ConcatObj(objc-1, objv+1));
sl@0:     }
sl@0:     return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * Tcl_ContinueObjCmd -
sl@0:  *
sl@0:  *	This procedure is invoked to process the "continue" Tcl command.
sl@0:  *	See the user documentation for details on what it does.
sl@0:  *
sl@0:  *	With the bytecode compiler, this procedure is only called when
sl@0:  *	a command name is computed at runtime, and is "continue" or the name
sl@0:  *	to which "continue" was renamed: e.g., "set z continue; $z"
sl@0:  *
sl@0:  * Results:
sl@0:  *	A standard Tcl result.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *	See the user documentation.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0: 	/* ARGSUSED */
sl@0: int
sl@0: Tcl_ContinueObjCmd(dummy, interp, objc, objv)
sl@0:     ClientData dummy;			/* Not used. */
sl@0:     Tcl_Interp *interp;			/* Current interpreter. */
sl@0:     int objc;				/* Number of arguments. */
sl@0:     Tcl_Obj *CONST objv[];		/* Argument objects. */
sl@0: {
sl@0:     if (objc != 1) {
sl@0: 	Tcl_WrongNumArgs(interp, 1, objv, NULL);
sl@0: 	return TCL_ERROR;
sl@0:     }
sl@0:     return TCL_CONTINUE;
sl@0: }
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * Tcl_EncodingObjCmd --
sl@0:  *
sl@0:  *	This command manipulates encodings.
sl@0:  *
sl@0:  * Results:
sl@0:  *	A standard Tcl result.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *	See the user documentation.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0: int
sl@0: Tcl_EncodingObjCmd(dummy, interp, objc, objv)
sl@0:     ClientData dummy;		/* Not used. */
sl@0:     Tcl_Interp *interp;		/* Current interpreter. */
sl@0:     int objc;			/* Number of arguments. */
sl@0:     Tcl_Obj *CONST objv[];	/* Argument objects. */
sl@0: {
sl@0:     int index, length;
sl@0:     Tcl_Encoding encoding;
sl@0:     char *string;
sl@0:     Tcl_DString ds;
sl@0:     Tcl_Obj *resultPtr;
sl@0: 
sl@0:     static CONST char *optionStrings[] = {
sl@0: 	"convertfrom", "convertto", "names", "system",
sl@0: 	NULL
sl@0:     };
sl@0:     enum options {
sl@0: 	ENC_CONVERTFROM, ENC_CONVERTTO, ENC_NAMES, ENC_SYSTEM
sl@0:     };
sl@0: 
sl@0:     if (objc < 2) {
sl@0:     	Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?");
sl@0:         return TCL_ERROR;
sl@0:     }
sl@0:     if (Tcl_GetIndexFromObj(interp, objv[1], optionStrings, "option", 0,
sl@0: 	    &index) != TCL_OK) {
sl@0: 	return TCL_ERROR;
sl@0:     }
sl@0: 
sl@0:     switch ((enum options) index) {
sl@0: 	case ENC_CONVERTTO:
sl@0: 	case ENC_CONVERTFROM: {
sl@0: 	    Tcl_Obj *data;
sl@0: 	    if (objc == 3) {
sl@0: 		encoding = Tcl_GetEncoding(interp, NULL);
sl@0: 		data = objv[2];
sl@0: 	    } else if (objc == 4) {
sl@0: 		if (TclGetEncodingFromObj(interp, objv[2], &encoding)
sl@0: 			!= TCL_OK) {
sl@0: 		    return TCL_ERROR;
sl@0: 		}
sl@0: 		data = objv[3];
sl@0: 	    } else {
sl@0: 		Tcl_WrongNumArgs(interp, 2, objv, "?encoding? data");
sl@0: 		return TCL_ERROR;
sl@0: 	    }
sl@0: 	    
sl@0: 	    if ((enum options) index == ENC_CONVERTFROM) {
sl@0: 		/*
sl@0: 		 * Treat the string as binary data.
sl@0: 		 */
sl@0: 
sl@0: 		string = (char *) Tcl_GetByteArrayFromObj(data, &length);
sl@0: 		Tcl_ExternalToUtfDString(encoding, string, length, &ds);
sl@0: 
sl@0: 		/*
sl@0: 		 * Note that we cannot use Tcl_DStringResult here because
sl@0: 		 * it will truncate the string at the first null byte.
sl@0: 		 */
sl@0: 
sl@0: 		Tcl_SetStringObj(Tcl_GetObjResult(interp),
sl@0: 			Tcl_DStringValue(&ds), Tcl_DStringLength(&ds));
sl@0: 		Tcl_DStringFree(&ds);
sl@0: 	    } else {
sl@0: 		/*
sl@0: 		 * Store the result as binary data.
sl@0: 		 */
sl@0: 
sl@0: 		string = Tcl_GetStringFromObj(data, &length);
sl@0: 		Tcl_UtfToExternalDString(encoding, string, length, &ds);
sl@0: 		resultPtr = Tcl_GetObjResult(interp);
sl@0: 		Tcl_SetByteArrayObj(resultPtr, 
sl@0: 			(unsigned char *) Tcl_DStringValue(&ds),
sl@0: 			Tcl_DStringLength(&ds));
sl@0: 		Tcl_DStringFree(&ds);
sl@0: 	    }
sl@0: 
sl@0: 	    Tcl_FreeEncoding(encoding);
sl@0: 	    break;
sl@0: 	}
sl@0: 	case ENC_NAMES: {
sl@0: 	    if (objc > 2) {
sl@0: 		Tcl_WrongNumArgs(interp, 2, objv, NULL);
sl@0: 		return TCL_ERROR;
sl@0: 	    }
sl@0: 	    Tcl_GetEncodingNames(interp);
sl@0: 	    break;
sl@0: 	}
sl@0: 	case ENC_SYSTEM: {
sl@0: 	    if (objc > 3) {
sl@0: 		Tcl_WrongNumArgs(interp, 2, objv, "?encoding?");
sl@0: 		return TCL_ERROR;
sl@0: 	    }
sl@0: 	    if (objc == 2) {
sl@0: 		Tcl_SetStringObj(Tcl_GetObjResult(interp),
sl@0: 			Tcl_GetEncodingName(NULL), -1);
sl@0: 	    } else {
sl@0: 	        return Tcl_SetSystemEncoding(interp,
sl@0: 			Tcl_GetStringFromObj(objv[2], NULL));
sl@0: 	    }
sl@0: 	    break;
sl@0: 	}
sl@0:     }
sl@0:     return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * Tcl_ErrorObjCmd --
sl@0:  *
sl@0:  *	This procedure is invoked to process the "error" Tcl command.
sl@0:  *	See the user documentation for details on what it does.
sl@0:  *
sl@0:  * Results:
sl@0:  *	A standard Tcl object result.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *	See the user documentation.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0: 	/* ARGSUSED */
sl@0: int
sl@0: Tcl_ErrorObjCmd(dummy, interp, objc, objv)
sl@0:     ClientData dummy;		/* Not used. */
sl@0:     Tcl_Interp *interp;		/* Current interpreter. */
sl@0:     int objc;			/* Number of arguments. */
sl@0:     Tcl_Obj *CONST objv[];	/* Argument objects. */
sl@0: {
sl@0:     Interp *iPtr = (Interp *) interp;
sl@0:     char *info;
sl@0:     int infoLen;
sl@0: 
sl@0:     if ((objc < 2) || (objc > 4)) {
sl@0: 	Tcl_WrongNumArgs(interp, 1, objv, "message ?errorInfo? ?errorCode?");
sl@0: 	return TCL_ERROR;
sl@0:     }
sl@0:     
sl@0:     if (objc >= 3) {		/* process the optional info argument */
sl@0: 	info = Tcl_GetStringFromObj(objv[2], &infoLen);
sl@0: 	if (infoLen > 0) {
sl@0: 	    Tcl_AddObjErrorInfo(interp, info, infoLen);
sl@0: 	    iPtr->flags |= ERR_ALREADY_LOGGED;
sl@0: 	}
sl@0:     }
sl@0:     
sl@0:     if (objc == 4) {
sl@0: 	Tcl_SetVar2Ex(interp, "errorCode", NULL, objv[3], TCL_GLOBAL_ONLY);
sl@0: 	iPtr->flags |= ERROR_CODE_SET;
sl@0:     }
sl@0:     
sl@0:     Tcl_SetObjResult(interp, objv[1]);
sl@0:     return TCL_ERROR;
sl@0: }
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * Tcl_EvalObjCmd --
sl@0:  *
sl@0:  *	This object-based procedure is invoked to process the "eval" Tcl 
sl@0:  *	command. See the user documentation for details on what it does.
sl@0:  *
sl@0:  * Results:
sl@0:  *	A standard Tcl object result.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *	See the user documentation.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0: 	/* ARGSUSED */
sl@0: int
sl@0: Tcl_EvalObjCmd(dummy, interp, objc, objv)
sl@0:     ClientData dummy;		/* Not used. */
sl@0:     Tcl_Interp *interp;		/* Current interpreter. */
sl@0:     int objc;			/* Number of arguments. */
sl@0:     Tcl_Obj *CONST objv[];	/* Argument objects. */
sl@0: {
sl@0:     int result;
sl@0:     register Tcl_Obj *objPtr;
sl@0: #ifdef TCL_TIP280
sl@0:     Interp* iPtr = (Interp*) interp;
sl@0: #endif
sl@0: 
sl@0:     if (objc < 2) {
sl@0: 	Tcl_WrongNumArgs(interp, 1, objv, "arg ?arg ...?");
sl@0: 	return TCL_ERROR;
sl@0:     }
sl@0:     
sl@0:     if (objc == 2) {
sl@0: #ifndef TCL_TIP280
sl@0: 	result = Tcl_EvalObjEx(interp, objv[1], TCL_EVAL_DIRECT);
sl@0: #else
sl@0: 	/* TIP #280. Make invoking context available to eval'd script */
sl@0: 	result = TclEvalObjEx(interp, objv[1], TCL_EVAL_DIRECT,
sl@0: 			      iPtr->cmdFramePtr,1);
sl@0: #endif
sl@0:     } else {
sl@0: 	/*
sl@0: 	 * More than one argument: concatenate them together with spaces
sl@0: 	 * between, then evaluate the result.  Tcl_EvalObjEx will delete
sl@0: 	 * the object when it decrements its refcount after eval'ing it.
sl@0: 	 */
sl@0:     	objPtr = Tcl_ConcatObj(objc-1, objv+1);
sl@0: #ifndef TCL_TIP280
sl@0: 	result = Tcl_EvalObjEx(interp, objPtr, TCL_EVAL_DIRECT);
sl@0: #else
sl@0: 	/* TIP #280. Make invoking context available to eval'd script */
sl@0: 	result = TclEvalObjEx(interp, objPtr, TCL_EVAL_DIRECT, NULL, 0);
sl@0: #endif
sl@0:     }
sl@0:     if (result == TCL_ERROR) {
sl@0: 	char msg[32 + TCL_INTEGER_SPACE];
sl@0: 
sl@0: 	sprintf(msg, "\n    (\"eval\" body line %d)", interp->errorLine);
sl@0: 	Tcl_AddObjErrorInfo(interp, msg, -1);
sl@0:     }
sl@0:     return result;
sl@0: }
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * Tcl_ExitObjCmd --
sl@0:  *
sl@0:  *	This procedure is invoked to process the "exit" Tcl command.
sl@0:  *	See the user documentation for details on what it does.
sl@0:  *
sl@0:  * Results:
sl@0:  *	A standard Tcl object result.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *	See the user documentation.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0: 	/* ARGSUSED */
sl@0: int
sl@0: Tcl_ExitObjCmd(dummy, interp, objc, objv)
sl@0:     ClientData dummy;		/* Not used. */
sl@0:     Tcl_Interp *interp;		/* Current interpreter. */
sl@0:     int objc;			/* Number of arguments. */
sl@0:     Tcl_Obj *CONST objv[];	/* Argument objects. */
sl@0: {
sl@0:     int value;
sl@0: 
sl@0:     if ((objc != 1) && (objc != 2)) {
sl@0: 	Tcl_WrongNumArgs(interp, 1, objv, "?returnCode?");
sl@0: 	return TCL_ERROR;
sl@0:     }
sl@0:     
sl@0:     if (objc == 1) {
sl@0: 	value = 0;
sl@0:     } else if (Tcl_GetIntFromObj(interp, objv[1], &value) != TCL_OK) {
sl@0: 	return TCL_ERROR;
sl@0:     }
sl@0:     Tcl_Exit(value);
sl@0:     /*NOTREACHED*/
sl@0:     return TCL_OK;			/* Better not ever reach this! */
sl@0: }
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * Tcl_ExprObjCmd --
sl@0:  *
sl@0:  *	This object-based procedure is invoked to process the "expr" Tcl
sl@0:  *	command. See the user documentation for details on what it does.
sl@0:  *
sl@0:  *	With the bytecode compiler, this procedure is called in two
sl@0:  *	circumstances: 1) to execute expr commands that are too complicated
sl@0:  *	or too unsafe to try compiling directly into an inline sequence of
sl@0:  *	instructions, and 2) to execute commands where the command name is
sl@0:  *	computed at runtime and is "expr" or the name to which "expr" was
sl@0:  *	renamed (e.g., "set z expr; $z 2+3")
sl@0:  *
sl@0:  * Results:
sl@0:  *	A standard Tcl object result.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *	See the user documentation.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0: 	/* ARGSUSED */
sl@0: int
sl@0: Tcl_ExprObjCmd(dummy, interp, objc, objv)
sl@0:     ClientData dummy;		/* Not used. */
sl@0:     Tcl_Interp *interp;		/* Current interpreter. */
sl@0:     int objc;			/* Number of arguments. */
sl@0:     Tcl_Obj *CONST objv[];	/* Argument objects. */
sl@0: {	 
sl@0:     register Tcl_Obj *objPtr;
sl@0:     Tcl_Obj *resultPtr;
sl@0:     register char *bytes;
sl@0:     int length, i, result;
sl@0: 
sl@0:     if (objc < 2) {
sl@0: 	Tcl_WrongNumArgs(interp, 1, objv, "arg ?arg ...?");
sl@0: 	return TCL_ERROR;
sl@0:     }
sl@0: 
sl@0:     if (objc == 2) {
sl@0: 	result = Tcl_ExprObj(interp, objv[1], &resultPtr);
sl@0: 	if (result == TCL_OK) {
sl@0: 	    Tcl_SetObjResult(interp, resultPtr);
sl@0: 	    Tcl_DecrRefCount(resultPtr);  /* done with the result object */
sl@0: 	}
sl@0: 	return result;
sl@0:     }
sl@0: 
sl@0:     /*
sl@0:      * Create a new object holding the concatenated argument strings.
sl@0:      */
sl@0: 
sl@0:     /*** QUESTION: Do we need to copy the slow way? ***/
sl@0:     bytes = Tcl_GetStringFromObj(objv[1], &length);
sl@0:     objPtr = Tcl_NewStringObj(bytes, length);
sl@0:     Tcl_IncrRefCount(objPtr);
sl@0:     for (i = 2;  i < objc;  i++) {
sl@0: 	Tcl_AppendToObj(objPtr, " ", 1);
sl@0: 	bytes = Tcl_GetStringFromObj(objv[i], &length);
sl@0: 	Tcl_AppendToObj(objPtr, bytes, length);
sl@0:     }
sl@0: 
sl@0:     /*
sl@0:      * Evaluate the concatenated string object.
sl@0:      */
sl@0: 
sl@0:     result = Tcl_ExprObj(interp, objPtr, &resultPtr);
sl@0:     if (result == TCL_OK) {
sl@0: 	Tcl_SetObjResult(interp, resultPtr);
sl@0: 	Tcl_DecrRefCount(resultPtr);  /* done with the result object */
sl@0:     }
sl@0: 
sl@0:     /*
sl@0:      * Free allocated resources.
sl@0:      */
sl@0:     
sl@0:     Tcl_DecrRefCount(objPtr);
sl@0:     return result;
sl@0: }
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * Tcl_FileObjCmd --
sl@0:  *
sl@0:  *	This procedure is invoked to process the "file" Tcl command.
sl@0:  *	See the user documentation for details on what it does.
sl@0:  *	PLEASE NOTE THAT THIS FAILS WITH FILENAMES AND PATHS WITH
sl@0:  *	EMBEDDED NULLS, WHICH COULD THEORETICALLY HAPPEN ON A MAC.
sl@0:  *      With the object-based Tcl_FS APIs, the above NOTE may no
sl@0:  *      longer be true.  In any case this assertion should be tested.
sl@0:  *
sl@0:  * Results:
sl@0:  *	A standard Tcl result.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *	See the user documentation.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0: 	/* ARGSUSED */
sl@0: int
sl@0: Tcl_FileObjCmd(dummy, interp, objc, objv)
sl@0:     ClientData dummy;		/* Not used. */
sl@0:     Tcl_Interp *interp;		/* Current interpreter. */
sl@0:     int objc;			/* Number of arguments. */
sl@0:     Tcl_Obj *CONST objv[];	/* Argument objects. */
sl@0: {
sl@0:     int index;
sl@0: 
sl@0: /*
sl@0:  * This list of constants should match the fileOption string array below.
sl@0:  */
sl@0: 
sl@0:     static CONST char *fileOptions[] = {
sl@0: 	"atime",	"attributes",	"channels",	"copy",
sl@0: 	"delete",
sl@0: 	"dirname",	"executable",	"exists",	"extension",
sl@0: 	"isdirectory",	"isfile",	"join",		"link",
sl@0: 	"lstat",        "mtime",	"mkdir",	"nativename",	
sl@0: 	"normalize",    "owned",
sl@0: 	"pathtype",	"readable",	"readlink",	"rename",
sl@0: 	"rootname",	"separator",    "size",		"split",	
sl@0: 	"stat",         "system", 
sl@0: 	"tail",		"type",		"volumes",	"writable",
sl@0: 	(char *) NULL
sl@0:     };
sl@0:     enum options {
sl@0: 	FCMD_ATIME,	FCMD_ATTRIBUTES, FCMD_CHANNELS,	FCMD_COPY,
sl@0: 	FCMD_DELETE,
sl@0: 	FCMD_DIRNAME,	FCMD_EXECUTABLE, FCMD_EXISTS,	FCMD_EXTENSION,
sl@0: 	FCMD_ISDIRECTORY, FCMD_ISFILE,	FCMD_JOIN,	FCMD_LINK, 
sl@0: 	FCMD_LSTAT,     FCMD_MTIME,	FCMD_MKDIR,	FCMD_NATIVENAME, 
sl@0: 	FCMD_NORMALIZE, FCMD_OWNED,
sl@0: 	FCMD_PATHTYPE,	FCMD_READABLE,	FCMD_READLINK,	FCMD_RENAME,
sl@0: 	FCMD_ROOTNAME,	FCMD_SEPARATOR, FCMD_SIZE,	FCMD_SPLIT,	
sl@0: 	FCMD_STAT,      FCMD_SYSTEM, 
sl@0: 	FCMD_TAIL,	FCMD_TYPE,	FCMD_VOLUMES,	FCMD_WRITABLE
sl@0:     };
sl@0: 
sl@0:     if (objc < 2) {
sl@0:     	Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?");
sl@0:         return TCL_ERROR;
sl@0:     }
sl@0:     if (Tcl_GetIndexFromObj(interp, objv[1], fileOptions, "option", 0,
sl@0: 	    &index) != TCL_OK) {
sl@0:     	return TCL_ERROR;
sl@0:     }
sl@0: 
sl@0:     switch ((enum options) index) {
sl@0:     	case FCMD_ATIME: {
sl@0: 	    Tcl_StatBuf buf;
sl@0: 	    struct utimbuf tval;
sl@0: 
sl@0: 	    if ((objc < 3) || (objc > 4)) {
sl@0: 		Tcl_WrongNumArgs(interp, 2, objv, "name ?time?");
sl@0: 		return TCL_ERROR;
sl@0: 	    }
sl@0: 	    if (GetStatBuf(interp, objv[2], Tcl_FSStat, &buf) != TCL_OK) {
sl@0: 		return TCL_ERROR;
sl@0: 	    }
sl@0: 	    if (objc == 4) {
sl@0: 		long newTime;
sl@0: 
sl@0: 		if (Tcl_GetLongFromObj(interp, objv[3], &newTime) != TCL_OK) {
sl@0: 		    return TCL_ERROR;
sl@0: 		}
sl@0: 		tval.actime = newTime;
sl@0: 		tval.modtime = buf.st_mtime;
sl@0: 		if (Tcl_FSUtime(objv[2], &tval) != 0) {
sl@0: 		    Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
sl@0: 			    "could not set access time for file \"",
sl@0: 			    Tcl_GetString(objv[2]), "\": ",
sl@0: 			    Tcl_PosixError(interp), (char *) NULL);
sl@0: 		    return TCL_ERROR;
sl@0: 		}
sl@0: 		/*
sl@0: 		 * Do another stat to ensure that the we return the
sl@0: 		 * new recognized atime - hopefully the same as the
sl@0: 		 * one we sent in.  However, fs's like FAT don't
sl@0: 		 * even know what atime is.
sl@0: 		 */
sl@0: 		if (GetStatBuf(interp, objv[2], Tcl_FSStat, &buf) != TCL_OK) {
sl@0: 		    return TCL_ERROR;
sl@0: 		}
sl@0: 	    }
sl@0: 	    Tcl_SetLongObj(Tcl_GetObjResult(interp), (long) buf.st_atime);
sl@0: 	    return TCL_OK;
sl@0: 	}
sl@0: 	case FCMD_ATTRIBUTES: {
sl@0:             return TclFileAttrsCmd(interp, objc, objv);
sl@0: 	}
sl@0: 	case FCMD_CHANNELS: {
sl@0: 	    if ((objc < 2) || (objc > 3)) {
sl@0: 		Tcl_WrongNumArgs(interp, 2, objv, "?pattern?");
sl@0: 		return TCL_ERROR;
sl@0: 	    }
sl@0: 	    return Tcl_GetChannelNamesEx(interp,
sl@0: 		    ((objc == 2) ? NULL : Tcl_GetString(objv[2])));
sl@0: 	}
sl@0: 	case FCMD_COPY: {
sl@0: 	    return TclFileCopyCmd(interp, objc, objv);
sl@0: 	}	    
sl@0: 	case FCMD_DELETE: {
sl@0: 	    return TclFileDeleteCmd(interp, objc, objv);
sl@0: 	}
sl@0:     	case FCMD_DIRNAME: {
sl@0: 	    Tcl_Obj *dirPtr;
sl@0: 	    if (objc != 3) {
sl@0: 		goto only3Args;
sl@0: 	    }
sl@0: 	    dirPtr = TclFileDirname(interp, objv[2]);
sl@0: 	    if (dirPtr == NULL) {
sl@0: 	        return TCL_ERROR;
sl@0: 	    } else {
sl@0: 		Tcl_SetObjResult(interp, dirPtr);
sl@0: 		Tcl_DecrRefCount(dirPtr);
sl@0: 		return TCL_OK;
sl@0: 	    }
sl@0: 	}
sl@0: 	case FCMD_EXECUTABLE: {
sl@0: 	    if (objc != 3) {
sl@0: 		goto only3Args;
sl@0: 	    }
sl@0: 	    return CheckAccess(interp, objv[2], X_OK);
sl@0: 	}
sl@0: 	case FCMD_EXISTS: {
sl@0: 	    if (objc != 3) {
sl@0: 		goto only3Args;
sl@0: 	    }
sl@0: 	    return CheckAccess(interp, objv[2], F_OK);
sl@0: 	}
sl@0: 	case FCMD_EXTENSION: {
sl@0: 	    char *fileName, *extension;
sl@0: 	    if (objc != 3) {
sl@0: 	    	goto only3Args;
sl@0: 	    }
sl@0: 	    fileName = Tcl_GetString(objv[2]);
sl@0: 	    extension = TclGetExtension(fileName);
sl@0: 	    if (extension != NULL) {
sl@0: 	    	Tcl_SetStringObj(Tcl_GetObjResult(interp), extension, -1);
sl@0: 	    }
sl@0: 	    return TCL_OK;
sl@0: 	}
sl@0:     	case FCMD_ISDIRECTORY: {
sl@0: 	    int value;
sl@0: 	    Tcl_StatBuf buf;
sl@0: 
sl@0: 	    if (objc != 3) {
sl@0: 		goto only3Args;
sl@0: 	    }
sl@0: 	    value = 0;
sl@0: 	    if (GetStatBuf(NULL, objv[2], Tcl_FSStat, &buf) == TCL_OK) {
sl@0: 		value = S_ISDIR(buf.st_mode);
sl@0: 	    }
sl@0: 	    Tcl_SetBooleanObj(Tcl_GetObjResult(interp), value);
sl@0: 	    return TCL_OK;
sl@0: 	}
sl@0:     	case FCMD_ISFILE: {
sl@0: 	    int value;
sl@0: 	    Tcl_StatBuf buf;
sl@0: 	    
sl@0:     	    if (objc != 3) {
sl@0:     	    	goto only3Args;
sl@0:     	    }
sl@0: 	    value = 0;
sl@0: 	    if (GetStatBuf(NULL, objv[2], Tcl_FSStat, &buf) == TCL_OK) {
sl@0: 		value = S_ISREG(buf.st_mode);
sl@0: 	    }
sl@0: 	    Tcl_SetBooleanObj(Tcl_GetObjResult(interp), value);
sl@0: 	    return TCL_OK;
sl@0: 	}
sl@0: 	case FCMD_JOIN: {
sl@0: 	    Tcl_Obj *resObj;
sl@0: 
sl@0: 	    if (objc < 3) {
sl@0: 		Tcl_WrongNumArgs(interp, 2, objv, "name ?name ...?");
sl@0: 		return TCL_ERROR;
sl@0: 	    }
sl@0: 	    resObj = Tcl_FSJoinToPath(NULL, objc - 2, objv + 2);
sl@0: 	    Tcl_SetObjResult(interp, resObj);
sl@0: 	    return TCL_OK;
sl@0: 	}
sl@0: 	case FCMD_LINK: {
sl@0: 	    Tcl_Obj *contents;
sl@0: 	    int index;
sl@0: 	    
sl@0: 	    if (objc < 3 || objc > 5) {
sl@0: 		Tcl_WrongNumArgs(interp, 2, objv, 
sl@0: 				 "?-linktype? linkname ?target?");
sl@0: 		return TCL_ERROR;
sl@0: 	    }
sl@0: 	    
sl@0: 	    /* Index of the 'source' argument */
sl@0: 	    if (objc == 5) {
sl@0: 		index = 3;
sl@0: 	    } else {
sl@0: 		index = 2;
sl@0: 	    }
sl@0: 	    
sl@0: 	    if (objc > 3) {
sl@0: 		int linkAction;
sl@0: 		if (objc == 5) {
sl@0: 		    /* We have a '-linktype' argument */
sl@0: 		    static CONST char *linkTypes[] = {
sl@0: 			"-symbolic", "-hard", NULL
sl@0: 		    };
sl@0: 		    if (Tcl_GetIndexFromObj(interp, objv[2], linkTypes, 
sl@0: 				     "switch", 0, &linkAction) != TCL_OK) {
sl@0: 			return TCL_ERROR;
sl@0: 		    }
sl@0: 		    if (linkAction == 0) {
sl@0: 		        linkAction = TCL_CREATE_SYMBOLIC_LINK;
sl@0: 		    } else {
sl@0: 			linkAction = TCL_CREATE_HARD_LINK;
sl@0: 		    }
sl@0: 		} else {
sl@0: 		    linkAction = TCL_CREATE_SYMBOLIC_LINK|TCL_CREATE_HARD_LINK;
sl@0: 		}
sl@0: 		if (Tcl_FSConvertToPathType(interp, objv[index]) != TCL_OK) {
sl@0: 		    return TCL_ERROR;
sl@0: 		}
sl@0: 		/* Create link from source to target */
sl@0: 		contents = Tcl_FSLink(objv[index], objv[index+1], linkAction);
sl@0: 		if (contents == NULL) {
sl@0: 		    /* 
sl@0: 		     * We handle two common error cases specially, and
sl@0: 		     * for all other errors, we use the standard posix
sl@0: 		     * error message.
sl@0: 		     */
sl@0: 		    if (errno == EEXIST) {
sl@0: 			Tcl_AppendResult(interp, "could not create new link \"", 
sl@0: 				Tcl_GetString(objv[index]), 
sl@0: 				"\": that path already exists", (char *) NULL);
sl@0: 		    } else if (errno == ENOENT) {
sl@0: 			Tcl_AppendResult(interp, "could not create new link \"", 
sl@0: 				Tcl_GetString(objv[index]), 
sl@0: 				"\" since target \"", 
sl@0: 				Tcl_GetString(objv[index+1]), 
sl@0: 				"\" doesn't exist", 
sl@0: 				(char *) NULL);
sl@0: 		    } else {
sl@0: 			Tcl_AppendResult(interp, "could not create new link \"", 
sl@0: 				Tcl_GetString(objv[index]), "\" pointing to \"", 
sl@0: 				Tcl_GetString(objv[index+1]), "\": ", 
sl@0: 				Tcl_PosixError(interp), (char *) NULL);
sl@0: 		    }
sl@0: 		    return TCL_ERROR;
sl@0: 		}
sl@0: 	    } else {
sl@0: 		if (Tcl_FSConvertToPathType(interp, objv[index]) != TCL_OK) {
sl@0: 		    return TCL_ERROR;
sl@0: 		}
sl@0: 		/* Read link */
sl@0: 		contents = Tcl_FSLink(objv[index], NULL, 0);
sl@0: 		if (contents == NULL) {
sl@0: 		    Tcl_AppendResult(interp, "could not read link \"", 
sl@0: 			    Tcl_GetString(objv[index]), "\": ", 
sl@0: 			    Tcl_PosixError(interp), (char *) NULL);
sl@0: 		    return TCL_ERROR;
sl@0: 		}
sl@0: 	    }
sl@0: 	    Tcl_SetObjResult(interp, contents);
sl@0: 	    if (objc == 3) {
sl@0: 		/* 
sl@0: 		 * If we are reading a link, we need to free this
sl@0: 		 * result refCount.  If we are creating a link, this
sl@0: 		 * will just be objv[index+1], and so we don't own it.
sl@0: 		 */
sl@0: 		Tcl_DecrRefCount(contents);
sl@0: 	    }
sl@0: 	    return TCL_OK;
sl@0: 	}
sl@0:     	case FCMD_LSTAT: {
sl@0: 	    char *varName;
sl@0: 	    Tcl_StatBuf buf;
sl@0: 
sl@0:     	    if (objc != 4) {
sl@0:     	    	Tcl_WrongNumArgs(interp, 2, objv, "name varName");
sl@0:     	    	return TCL_ERROR;
sl@0:     	    }
sl@0: 	    if (GetStatBuf(interp, objv[2], Tcl_FSLstat, &buf) != TCL_OK) {
sl@0: 		return TCL_ERROR;
sl@0: 	    }
sl@0: 	    varName = Tcl_GetString(objv[3]);
sl@0: 	    return StoreStatData(interp, varName, &buf);
sl@0: 	}
sl@0: 	case FCMD_MTIME: {
sl@0: 	    Tcl_StatBuf buf;
sl@0: 	    struct utimbuf tval;
sl@0: 
sl@0: 	    if ((objc < 3) || (objc > 4)) {
sl@0: 		Tcl_WrongNumArgs(interp, 2, objv, "name ?time?");
sl@0: 		return TCL_ERROR;
sl@0: 	    }
sl@0: 	    if (GetStatBuf(interp, objv[2], Tcl_FSStat, &buf) != TCL_OK) {
sl@0: 		return TCL_ERROR;
sl@0: 	    }
sl@0: 	    if (objc == 4) {
sl@0: 		long newTime;
sl@0: 
sl@0: 		if (Tcl_GetLongFromObj(interp, objv[3], &newTime) != TCL_OK) {
sl@0: 		    return TCL_ERROR;
sl@0: 		}
sl@0: 		tval.actime = buf.st_atime;
sl@0: 		tval.modtime = newTime;
sl@0: 		if (Tcl_FSUtime(objv[2], &tval) != 0) {
sl@0: 		    Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
sl@0: 			    "could not set modification time for file \"",
sl@0: 			    Tcl_GetString(objv[2]), "\": ",
sl@0: 			    Tcl_PosixError(interp), (char *) NULL);
sl@0: 		    return TCL_ERROR;
sl@0: 		}
sl@0: 		/*
sl@0: 		 * Do another stat to ensure that the we return the
sl@0: 		 * new recognized atime - hopefully the same as the
sl@0: 		 * one we sent in.  However, fs's like FAT don't
sl@0: 		 * even know what atime is.
sl@0: 		 */
sl@0: 		if (GetStatBuf(interp, objv[2], Tcl_FSStat, &buf) != TCL_OK) {
sl@0: 		    return TCL_ERROR;
sl@0: 		}
sl@0: 	    }
sl@0: 	    Tcl_SetLongObj(Tcl_GetObjResult(interp), (long) buf.st_mtime);
sl@0: 	    return TCL_OK;
sl@0: 	}
sl@0: 	case FCMD_MKDIR: {
sl@0: 	    if (objc < 3) {
sl@0: 		Tcl_WrongNumArgs(interp, 2, objv, "name ?name ...?");
sl@0: 		return TCL_ERROR;
sl@0: 	    }
sl@0: 	    return TclFileMakeDirsCmd(interp, objc, objv);
sl@0: 	}
sl@0: 	case FCMD_NATIVENAME: {
sl@0: 	    CONST char *fileName;
sl@0: 	    Tcl_DString ds;
sl@0: 
sl@0: 	    if (objc != 3) {
sl@0: 		goto only3Args;
sl@0: 	    }
sl@0: 	    fileName = Tcl_GetString(objv[2]);
sl@0: 	    fileName = Tcl_TranslateFileName(interp, fileName, &ds);
sl@0: 	    if (fileName == NULL) {
sl@0: 		return TCL_ERROR;
sl@0: 	    }
sl@0: 	    Tcl_SetStringObj(Tcl_GetObjResult(interp), fileName, 
sl@0: 			     Tcl_DStringLength(&ds));
sl@0: 	    Tcl_DStringFree(&ds);
sl@0: 	    return TCL_OK;
sl@0: 	}
sl@0: 	case FCMD_NORMALIZE: {
sl@0: 	    Tcl_Obj *fileName;
sl@0: 
sl@0: 	    if (objc != 3) {
sl@0: 		Tcl_WrongNumArgs(interp, 2, objv, "filename");
sl@0: 		return TCL_ERROR;
sl@0: 	    }
sl@0: 
sl@0: 	    fileName = Tcl_FSGetNormalizedPath(interp, objv[2]);
sl@0: 	    if (fileName == NULL) {
sl@0: 		return TCL_ERROR;
sl@0: 	    }
sl@0: 	    Tcl_SetObjResult(interp, fileName);
sl@0: 	    return TCL_OK;
sl@0: 	}
sl@0: 	case FCMD_OWNED: {
sl@0: 	    int value;
sl@0: 	    Tcl_StatBuf buf;
sl@0: 	    
sl@0: 	    if (objc != 3) {
sl@0: 		goto only3Args;
sl@0: 	    }
sl@0: 	    value = 0;
sl@0: 	    if (GetStatBuf(NULL, objv[2], Tcl_FSStat, &buf) == TCL_OK) {
sl@0: 		/*
sl@0: 		 * For Windows and Macintosh, there are no user ids 
sl@0: 		 * associated with a file, so we always return 1.
sl@0: 		 */
sl@0: 
sl@0: #if (defined(__WIN32__) || defined(MAC_TCL))
sl@0: 		value = 1;
sl@0: #else
sl@0: 		value = (geteuid() == buf.st_uid);
sl@0: #endif
sl@0: 	    }	    
sl@0: 	    Tcl_SetBooleanObj(Tcl_GetObjResult(interp), value);
sl@0: 	    return TCL_OK;
sl@0: 	}
sl@0: 	case FCMD_PATHTYPE: {
sl@0: 	    if (objc != 3) {
sl@0: 		goto only3Args;
sl@0: 	    }
sl@0: 	    switch (Tcl_FSGetPathType(objv[2])) {
sl@0: 	    	case TCL_PATH_ABSOLUTE:
sl@0: 	    	    Tcl_SetStringObj(Tcl_GetObjResult(interp), "absolute", -1);
sl@0: 		    break;
sl@0: 	    	case TCL_PATH_RELATIVE:
sl@0: 	    	    Tcl_SetStringObj(Tcl_GetObjResult(interp), "relative", -1);
sl@0: 	    	    break;
sl@0: 	    	case TCL_PATH_VOLUME_RELATIVE:
sl@0: 		    Tcl_SetStringObj(Tcl_GetObjResult(interp), 
sl@0: 				     "volumerelative", -1);
sl@0: 		    break;
sl@0: 	    }
sl@0: 	    return TCL_OK;
sl@0: 	}
sl@0:     	case FCMD_READABLE: {
sl@0: 	    if (objc != 3) {
sl@0: 		goto only3Args;
sl@0: 	    }
sl@0: 	    return CheckAccess(interp, objv[2], R_OK);
sl@0: 	}
sl@0: 	case FCMD_READLINK: {
sl@0: 	    Tcl_Obj *contents;
sl@0: 		
sl@0: 	    if (objc != 3) {
sl@0: 		goto only3Args;
sl@0: 	    }
sl@0: 	    
sl@0: 	    if (Tcl_FSConvertToPathType(interp, objv[2]) != TCL_OK) {
sl@0: 		return TCL_ERROR;
sl@0: 	    }
sl@0: 
sl@0: 	    contents = Tcl_FSLink(objv[2], NULL, 0);
sl@0: 
sl@0: 	    if (contents == NULL) {
sl@0: 	    	Tcl_AppendResult(interp, "could not readlink \"", 
sl@0: 	    		Tcl_GetString(objv[2]), "\": ", 
sl@0: 	    		Tcl_PosixError(interp), (char *) NULL);
sl@0: 	    	return TCL_ERROR;
sl@0: 	    }
sl@0: 	    Tcl_SetObjResult(interp, contents);
sl@0: 	    Tcl_DecrRefCount(contents);
sl@0: 	    return TCL_OK;
sl@0: 	}
sl@0: 	case FCMD_RENAME: {
sl@0: 	    return TclFileRenameCmd(interp, objc, objv);
sl@0: 	}
sl@0: 	case FCMD_ROOTNAME: {
sl@0: 	    int length;
sl@0: 	    char *fileName, *extension;
sl@0: 	    
sl@0: 	    if (objc != 3) {
sl@0: 		goto only3Args;
sl@0: 	    }
sl@0: 	    fileName = Tcl_GetStringFromObj(objv[2], &length);
sl@0: 	    extension = TclGetExtension(fileName);
sl@0: 	    if (extension == NULL) {
sl@0: 	    	Tcl_SetObjResult(interp, objv[2]);
sl@0: 	    } else {
sl@0: 	        Tcl_SetStringObj(Tcl_GetObjResult(interp), fileName,
sl@0: 			(int) (length - strlen(extension)));
sl@0: 	    }
sl@0: 	    return TCL_OK;
sl@0: 	}
sl@0: 	case FCMD_SEPARATOR: {
sl@0: 	    if ((objc < 2) || (objc > 3)) {
sl@0: 		Tcl_WrongNumArgs(interp, 2, objv, "?name?");
sl@0: 		return TCL_ERROR;
sl@0: 	    }
sl@0: 	    if (objc == 2) {
sl@0: 	        char *separator = NULL; /* lint */
sl@0: 		switch (tclPlatform) {
sl@0: 		    case TCL_PLATFORM_UNIX:
sl@0: 			separator = "/";
sl@0: 			break;
sl@0: 		    case TCL_PLATFORM_WINDOWS:
sl@0: 			separator = "\\";
sl@0: 			break;
sl@0: 		    case TCL_PLATFORM_MAC:
sl@0: 			separator = ":";
sl@0: 			break;
sl@0: 		}
sl@0: 		Tcl_SetObjResult(interp, Tcl_NewStringObj(separator,1));
sl@0: 	    } else {
sl@0: 		Tcl_Obj *separatorObj = Tcl_FSPathSeparator(objv[2]);
sl@0: 		if (separatorObj != NULL) {
sl@0: 		    Tcl_SetObjResult(interp, separatorObj);
sl@0: 		} else {
sl@0: 		    Tcl_SetObjResult(interp, 
sl@0: 			    Tcl_NewStringObj("Unrecognised path",-1));
sl@0: 		    return TCL_ERROR;
sl@0: 		}
sl@0: 	    }
sl@0: 	    return TCL_OK;
sl@0: 	}
sl@0: 	case FCMD_SIZE: {
sl@0: 	    Tcl_StatBuf buf;
sl@0: 	    
sl@0: 	    if (objc != 3) {
sl@0: 		goto only3Args;
sl@0: 	    }
sl@0: 	    if (GetStatBuf(interp, objv[2], Tcl_FSStat, &buf) != TCL_OK) {
sl@0: 		return TCL_ERROR;
sl@0: 	    }
sl@0: 	    Tcl_SetWideIntObj(Tcl_GetObjResult(interp),
sl@0: 		    (Tcl_WideInt) buf.st_size);
sl@0: 	    return TCL_OK;
sl@0: 	}
sl@0: 	case FCMD_SPLIT: {
sl@0: 	    if (objc != 3) {
sl@0: 		goto only3Args;
sl@0: 	    }
sl@0: 	    Tcl_SetObjResult(interp, Tcl_FSSplitPath(objv[2], NULL));
sl@0: 	    return TCL_OK;
sl@0: 	}
sl@0: 	case FCMD_STAT: {
sl@0: 	    char *varName;
sl@0: 	    Tcl_StatBuf buf;
sl@0: 	    
sl@0: 	    if (objc != 4) {
sl@0: 	    	Tcl_WrongNumArgs(interp, 1, objv, "stat name varName");
sl@0: 		return TCL_ERROR;
sl@0: 	    }
sl@0: 	    if (GetStatBuf(interp, objv[2], Tcl_FSStat, &buf) != TCL_OK) {
sl@0: 		return TCL_ERROR;
sl@0: 	    }
sl@0: 	    varName = Tcl_GetString(objv[3]);
sl@0: 	    return StoreStatData(interp, varName, &buf);
sl@0: 	}
sl@0: 	case FCMD_SYSTEM: {
sl@0: 	    Tcl_Obj* fsInfo;
sl@0: 	    if (objc != 3) {
sl@0: 		goto only3Args;
sl@0: 	    }
sl@0: 	    fsInfo = Tcl_FSFileSystemInfo(objv[2]);
sl@0: 	    if (fsInfo != NULL) {
sl@0: 		Tcl_SetObjResult(interp, fsInfo);
sl@0: 		return TCL_OK;
sl@0: 	    } else {
sl@0: 		Tcl_SetObjResult(interp, 
sl@0: 				 Tcl_NewStringObj("Unrecognised path",-1));
sl@0: 		return TCL_ERROR;
sl@0: 	    }
sl@0: 	}
sl@0:     	case FCMD_TAIL: {
sl@0: 	    int splitElements;
sl@0: 	    Tcl_Obj *splitPtr;
sl@0: 
sl@0: 	    if (objc != 3) {
sl@0: 		goto only3Args;
sl@0: 	    }
sl@0: 	    /* 
sl@0: 	     * The behaviour we want here is slightly different to
sl@0: 	     * the standard Tcl_FSSplitPath in the handling of home
sl@0: 	     * directories; Tcl_FSSplitPath preserves the "~" while 
sl@0: 	     * this code computes the actual full path name, if we
sl@0: 	     * had just a single component.
sl@0: 	     */	    
sl@0: 	    splitPtr = Tcl_FSSplitPath(objv[2], &splitElements);
sl@0: 	    if ((splitElements == 1) && (Tcl_GetString(objv[2])[0] == '~')) {
sl@0: 		Tcl_DecrRefCount(splitPtr);
sl@0: 		splitPtr = Tcl_FSGetNormalizedPath(interp, objv[2]);
sl@0: 		if (splitPtr == NULL) {
sl@0: 		    return TCL_ERROR;
sl@0: 		}
sl@0: 		splitPtr = Tcl_FSSplitPath(splitPtr, &splitElements);
sl@0: 	    }
sl@0: 
sl@0: 	    /*
sl@0: 	     * Return the last component, unless it is the only component,
sl@0: 	     * and it is the root of an absolute path.
sl@0: 	     */
sl@0: 
sl@0: 	    if (splitElements > 0) {
sl@0: 	    	if ((splitElements > 1)
sl@0: 		  || (Tcl_FSGetPathType(objv[2]) == TCL_PATH_RELATIVE)) {
sl@0: 		    
sl@0: 		    Tcl_Obj *tail = NULL;
sl@0: 		    Tcl_ListObjIndex(NULL, splitPtr, splitElements-1, &tail);
sl@0: 		    Tcl_SetObjResult(interp, tail);
sl@0: 	    	}
sl@0: 	    }
sl@0: 	    Tcl_DecrRefCount(splitPtr);
sl@0: 	    return TCL_OK;
sl@0: 	}
sl@0: 	case FCMD_TYPE: {
sl@0: 	    Tcl_StatBuf buf;
sl@0: 
sl@0: 	    if (objc != 3) {
sl@0: 	    	goto only3Args;
sl@0: 	    }
sl@0: 	    if (GetStatBuf(interp, objv[2], Tcl_FSLstat, &buf) != TCL_OK) {
sl@0: 		return TCL_ERROR;
sl@0: 	    }
sl@0: 	    Tcl_SetStringObj(Tcl_GetObjResult(interp), 
sl@0: 		    GetTypeFromMode((unsigned short) buf.st_mode), -1);
sl@0: 	    return TCL_OK;
sl@0: 	}
sl@0: 	case FCMD_VOLUMES: {
sl@0: 	    if (objc != 2) {
sl@0: 		Tcl_WrongNumArgs(interp, 2, objv, NULL);
sl@0: 		return TCL_ERROR;
sl@0: 	    }
sl@0: 	    Tcl_SetObjResult(interp, Tcl_FSListVolumes());
sl@0: 	    return TCL_OK;
sl@0: 	}
sl@0: 	case FCMD_WRITABLE: {
sl@0: 	    if (objc != 3) {
sl@0: 	    	goto only3Args;
sl@0: 	    }
sl@0: 	    return CheckAccess(interp, objv[2], W_OK);
sl@0: 	}
sl@0:     }
sl@0: 
sl@0:     only3Args:
sl@0:     Tcl_WrongNumArgs(interp, 2, objv, "name");
sl@0:     return TCL_ERROR;
sl@0: }
sl@0: 
sl@0: /*
sl@0:  *---------------------------------------------------------------------------
sl@0:  *
sl@0:  * CheckAccess --
sl@0:  *
sl@0:  *	Utility procedure used by Tcl_FileObjCmd() to query file
sl@0:  *	attributes available through the access() system call.
sl@0:  *
sl@0:  * Results:
sl@0:  *	Always returns TCL_OK.  Sets interp's result to boolean true or
sl@0:  *	false depending on whether the file has the specified attribute.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *	None.
sl@0:  *
sl@0:  *---------------------------------------------------------------------------
sl@0:  */
sl@0:   
sl@0: static int
sl@0: CheckAccess(interp, objPtr, mode)
sl@0:     Tcl_Interp *interp;		/* Interp for status return.  Must not be
sl@0: 				 * NULL. */
sl@0:     Tcl_Obj *objPtr;		/* Name of file to check. */
sl@0:     int mode;			/* Attribute to check; passed as argument to
sl@0: 				 * access(). */
sl@0: {
sl@0:     int value;
sl@0:     
sl@0:     if (Tcl_FSConvertToPathType(interp, objPtr) != TCL_OK) {
sl@0: 	value = 0;
sl@0:     } else {
sl@0: 	value = (Tcl_FSAccess(objPtr, mode) == 0);
sl@0:     }
sl@0:     Tcl_SetBooleanObj(Tcl_GetObjResult(interp), value);
sl@0: 
sl@0:     return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0:  *---------------------------------------------------------------------------
sl@0:  *
sl@0:  * GetStatBuf --
sl@0:  *
sl@0:  *	Utility procedure used by Tcl_FileObjCmd() to query file
sl@0:  *	attributes available through the stat() or lstat() system call.
sl@0:  *
sl@0:  * Results:
sl@0:  *	The return value is TCL_OK if the specified file exists and can
sl@0:  *	be stat'ed, TCL_ERROR otherwise.  If TCL_ERROR is returned, an
sl@0:  *	error message is left in interp's result.  If TCL_OK is returned,
sl@0:  *	*statPtr is filled with information about the specified file.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *	None.
sl@0:  *
sl@0:  *---------------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0: static int
sl@0: GetStatBuf(interp, objPtr, statProc, statPtr)
sl@0:     Tcl_Interp *interp;		/* Interp for error return.  May be NULL. */
sl@0:     Tcl_Obj *objPtr;		/* Path name to examine. */
sl@0:     Tcl_FSStatProc *statProc;	/* Either stat() or lstat() depending on
sl@0: 				 * desired behavior. */
sl@0:     Tcl_StatBuf *statPtr;	/* Filled with info about file obtained by
sl@0: 				 * calling (*statProc)(). */
sl@0: {
sl@0:     int status;
sl@0:     
sl@0:     if (Tcl_FSConvertToPathType(interp, objPtr) != TCL_OK) {
sl@0: 	return TCL_ERROR;
sl@0:     }
sl@0: 
sl@0:     status = (*statProc)(objPtr, statPtr);
sl@0:     
sl@0:     if (status < 0) {
sl@0: 	if (interp != NULL) {
sl@0: 	    Tcl_AppendResult(interp, "could not read \"",
sl@0: 		    Tcl_GetString(objPtr), "\": ",
sl@0: 		    Tcl_PosixError(interp), (char *) NULL);
sl@0: 	}
sl@0: 	return TCL_ERROR;
sl@0:     }
sl@0:     return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * StoreStatData --
sl@0:  *
sl@0:  *	This is a utility procedure that breaks out the fields of a
sl@0:  *	"stat" structure and stores them in textual form into the
sl@0:  *	elements of an associative array.
sl@0:  *
sl@0:  * Results:
sl@0:  *	Returns a standard Tcl return value.  If an error occurs then
sl@0:  *	a message is left in interp's result.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *	Elements of the associative array given by "varName" are modified.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0: static int
sl@0: StoreStatData(interp, varName, statPtr)
sl@0:     Tcl_Interp *interp;			/* Interpreter for error reports. */
sl@0:     char *varName;			/* Name of associative array variable
sl@0: 					 * in which to store stat results. */
sl@0:     Tcl_StatBuf *statPtr;		/* Pointer to buffer containing
sl@0: 					 * stat data to store in varName. */
sl@0: {
sl@0:     Tcl_Obj *var = Tcl_NewStringObj(varName, -1);
sl@0:     Tcl_Obj *field = Tcl_NewObj();
sl@0:     Tcl_Obj *value;
sl@0:     register unsigned short mode;
sl@0: 
sl@0:     /*
sl@0:      * Assume Tcl_ObjSetVar2() does not keep a copy of the field name!
sl@0:      */
sl@0: #define STORE_ARY(fieldName, object) \
sl@0:     Tcl_SetStringObj(field, (fieldName), -1); \
sl@0:     value = (object); \
sl@0:     if (Tcl_ObjSetVar2(interp,var,field,value,TCL_LEAVE_ERR_MSG) == NULL) { \
sl@0: 	Tcl_DecrRefCount(var); \
sl@0: 	Tcl_DecrRefCount(field); \
sl@0: 	Tcl_DecrRefCount(value); \
sl@0: 	return TCL_ERROR; \
sl@0:     }
sl@0: 
sl@0:     Tcl_IncrRefCount(var);
sl@0:     Tcl_IncrRefCount(field);
sl@0:     STORE_ARY("dev",   Tcl_NewLongObj((long)statPtr->st_dev));
sl@0:     /*
sl@0:      * Watch out porters; the inode is meant to be an *unsigned* value,
sl@0:      * so the cast might fail when there isn't a real arithmentic 'long
sl@0:      * long' type...
sl@0:      */
sl@0:     STORE_ARY("ino",   Tcl_NewWideIntObj((Tcl_WideInt)statPtr->st_ino));
sl@0:     STORE_ARY("nlink", Tcl_NewLongObj((long)statPtr->st_nlink));
sl@0:     STORE_ARY("uid",   Tcl_NewLongObj((long)statPtr->st_uid));
sl@0:     STORE_ARY("gid",   Tcl_NewLongObj((long)statPtr->st_gid));
sl@0:     STORE_ARY("size",  Tcl_NewWideIntObj((Tcl_WideInt)statPtr->st_size));
sl@0: #ifdef HAVE_ST_BLOCKS
sl@0:     STORE_ARY("blocks",Tcl_NewWideIntObj((Tcl_WideInt)statPtr->st_blocks));
sl@0: #endif
sl@0:     STORE_ARY("atime", Tcl_NewLongObj((long)statPtr->st_atime));
sl@0:     STORE_ARY("mtime", Tcl_NewLongObj((long)statPtr->st_mtime));
sl@0:     STORE_ARY("ctime", Tcl_NewLongObj((long)statPtr->st_ctime));
sl@0:     mode = (unsigned short) statPtr->st_mode;
sl@0:     STORE_ARY("mode",  Tcl_NewIntObj(mode));
sl@0:     STORE_ARY("type",  Tcl_NewStringObj(GetTypeFromMode(mode), -1));
sl@0: #undef STORE_ARY
sl@0:     Tcl_DecrRefCount(var);
sl@0:     Tcl_DecrRefCount(field);
sl@0:     return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * GetTypeFromMode --
sl@0:  *
sl@0:  *	Given a mode word, returns a string identifying the type of a
sl@0:  *	file.
sl@0:  *
sl@0:  * Results:
sl@0:  *	A static text string giving the file type from mode.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *	None.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0: static char *
sl@0: GetTypeFromMode(mode)
sl@0:     int mode;
sl@0: {
sl@0:     if (S_ISREG(mode)) {
sl@0: 	return "file";
sl@0:     } else if (S_ISDIR(mode)) {
sl@0: 	return "directory";
sl@0:     } else if (S_ISCHR(mode)) {
sl@0: 	return "characterSpecial";
sl@0:     } else if (S_ISBLK(mode)) {
sl@0: 	return "blockSpecial";
sl@0:     } else if (S_ISFIFO(mode)) {
sl@0: 	return "fifo";
sl@0: #ifdef S_ISLNK
sl@0:     } else if (S_ISLNK(mode)) {
sl@0: 	return "link";
sl@0: #endif
sl@0: #ifdef S_ISSOCK
sl@0:     } else if (S_ISSOCK(mode)) {
sl@0: 	return "socket";
sl@0: #endif
sl@0:     }
sl@0:     return "unknown";
sl@0: }
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * Tcl_ForObjCmd --
sl@0:  *
sl@0:  *      This procedure is invoked to process the "for" Tcl command.
sl@0:  *      See the user documentation for details on what it does.
sl@0:  *
sl@0:  *	With the bytecode compiler, this procedure is only called when
sl@0:  *	a command name is computed at runtime, and is "for" or the name
sl@0:  *	to which "for" was renamed: e.g.,
sl@0:  *	"set z for; $z {set i 0} {$i<100} {incr i} {puts $i}"
sl@0:  *
sl@0:  * Results:
sl@0:  *      A standard Tcl result.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *      See the user documentation.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0:         /* ARGSUSED */
sl@0: int
sl@0: Tcl_ForObjCmd(dummy, interp, objc, objv)
sl@0:     ClientData dummy;                   /* Not used. */
sl@0:     Tcl_Interp *interp;                 /* Current interpreter. */
sl@0:     int objc;                           /* Number of arguments. */
sl@0:     Tcl_Obj *CONST objv[];	/* Argument objects. */
sl@0: {
sl@0:     int result, value;
sl@0: #ifdef TCL_TIP280
sl@0:     Interp* iPtr = (Interp*) interp;
sl@0: #endif
sl@0: 
sl@0:     if (objc != 5) {
sl@0:         Tcl_WrongNumArgs(interp, 1, objv, "start test next command");
sl@0:         return TCL_ERROR;
sl@0:     }
sl@0: 
sl@0: #ifndef TCL_TIP280
sl@0:     result = Tcl_EvalObjEx(interp, objv[1], 0);
sl@0: #else
sl@0:     /* TIP #280. Make invoking context available to initial script */
sl@0:     result = TclEvalObjEx(interp, objv[1], 0, iPtr->cmdFramePtr,1);
sl@0: #endif
sl@0:     if (result != TCL_OK) {
sl@0:         if (result == TCL_ERROR) {
sl@0:             Tcl_AddErrorInfo(interp, "\n    (\"for\" initial command)");
sl@0:         }
sl@0:         return result;
sl@0:     }
sl@0:     while (1) {
sl@0: 	/*
sl@0: 	 * We need to reset the result before passing it off to
sl@0: 	 * Tcl_ExprBooleanObj.  Otherwise, any error message will be appended
sl@0: 	 * to the result of the last evaluation.
sl@0: 	 */
sl@0: 
sl@0: 	Tcl_ResetResult(interp);
sl@0:         result = Tcl_ExprBooleanObj(interp, objv[2], &value);
sl@0:         if (result != TCL_OK) {
sl@0:             return result;
sl@0:         }
sl@0:         if (!value) {
sl@0:             break;
sl@0:         }
sl@0: #ifndef TCL_TIP280
sl@0:         result = Tcl_EvalObjEx(interp, objv[4], 0);
sl@0: #else
sl@0: 	/* TIP #280. Make invoking context available to loop body */
sl@0:         result = TclEvalObjEx(interp, objv[4], 0, iPtr->cmdFramePtr,4);
sl@0: #endif
sl@0:         if ((result != TCL_OK) && (result != TCL_CONTINUE)) {
sl@0:             if (result == TCL_ERROR) {
sl@0:                 char msg[32 + TCL_INTEGER_SPACE];
sl@0: 
sl@0:                 sprintf(msg, "\n    (\"for\" body line %d)",interp->errorLine);
sl@0:                 Tcl_AddErrorInfo(interp, msg);
sl@0:             }
sl@0:             break;
sl@0:         }
sl@0: #ifndef TCL_TIP280
sl@0:         result = Tcl_EvalObjEx(interp, objv[3], 0);
sl@0: #else
sl@0: 	/* TIP #280. Make invoking context available to next script */
sl@0:         result = TclEvalObjEx(interp, objv[3], 0, iPtr->cmdFramePtr,3);
sl@0: #endif
sl@0: 	if (result == TCL_BREAK) {
sl@0:             break;
sl@0:         } else if (result != TCL_OK) {
sl@0:             if (result == TCL_ERROR) {
sl@0:                 Tcl_AddErrorInfo(interp, "\n    (\"for\" loop-end command)");
sl@0:             }
sl@0:             return result;
sl@0:         }
sl@0:     }
sl@0:     if (result == TCL_BREAK) {
sl@0:         result = TCL_OK;
sl@0:     }
sl@0:     if (result == TCL_OK) {
sl@0:         Tcl_ResetResult(interp);
sl@0:     }
sl@0:     return result;
sl@0: }
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * Tcl_ForeachObjCmd --
sl@0:  *
sl@0:  *	This object-based procedure is invoked to process the "foreach" Tcl
sl@0:  *	command.  See the user documentation for details on what it does.
sl@0:  *
sl@0:  * Results:
sl@0:  *	A standard Tcl object result.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *	See the user documentation.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0: 	/* ARGSUSED */
sl@0: int
sl@0: Tcl_ForeachObjCmd(dummy, interp, objc, objv)
sl@0:     ClientData dummy;		/* Not used. */
sl@0:     Tcl_Interp *interp;		/* Current interpreter. */
sl@0:     int objc;			/* Number of arguments. */
sl@0:     Tcl_Obj *CONST objv[];	/* Argument objects. */
sl@0: {
sl@0:     int result = TCL_OK;
sl@0:     int i;			/* i selects a value list */
sl@0:     int j, maxj;		/* Number of loop iterations */
sl@0:     int v;			/* v selects a loop variable */
sl@0:     int numLists;		/* Count of value lists */
sl@0:     Tcl_Obj *bodyPtr;
sl@0: 
sl@0:     /*
sl@0:      * We copy the argument object pointers into a local array to avoid
sl@0:      * the problem that "objv" might become invalid. It is a pointer into
sl@0:      * the evaluation stack and that stack might be grown and reallocated
sl@0:      * if the loop body requires a large amount of stack space.
sl@0:      */
sl@0:     
sl@0: #define NUM_ARGS 9
sl@0:     Tcl_Obj *(argObjStorage[NUM_ARGS]);
sl@0:     Tcl_Obj **argObjv = argObjStorage;
sl@0:     
sl@0: #define STATIC_LIST_SIZE 4
sl@0:     int indexArray[STATIC_LIST_SIZE];
sl@0:     int varcListArray[STATIC_LIST_SIZE];
sl@0:     Tcl_Obj **varvListArray[STATIC_LIST_SIZE];
sl@0:     int argcListArray[STATIC_LIST_SIZE];
sl@0:     Tcl_Obj **argvListArray[STATIC_LIST_SIZE];
sl@0: 
sl@0:     int *index = indexArray;		   /* Array of value list indices */
sl@0:     int *varcList = varcListArray;	   /* # loop variables per list */
sl@0:     Tcl_Obj ***varvList = varvListArray;   /* Array of var name lists */
sl@0:     int *argcList = argcListArray;	   /* Array of value list sizes */
sl@0:     Tcl_Obj ***argvList = argvListArray;   /* Array of value lists */
sl@0: #ifdef TCL_TIP280
sl@0:     Interp* iPtr = (Interp*) interp;
sl@0: #endif
sl@0: 
sl@0:     if (objc < 4 || (objc%2 != 0)) {
sl@0: 	Tcl_WrongNumArgs(interp, 1, objv,
sl@0: 		"varList list ?varList list ...? command");
sl@0: 	return TCL_ERROR;
sl@0:     }
sl@0: 
sl@0:     /*
sl@0:      * Create the object argument array "argObjv". Make sure argObjv is
sl@0:      * large enough to hold the objc arguments.
sl@0:      */
sl@0: 
sl@0:     if (objc > NUM_ARGS) {
sl@0: 	argObjv = (Tcl_Obj **) ckalloc(objc * sizeof(Tcl_Obj *));
sl@0:     }
sl@0:     for (i = 0;  i < objc;  i++) {
sl@0: 	argObjv[i] = objv[i];
sl@0:     }
sl@0: 
sl@0:     /*
sl@0:      * Manage numList parallel value lists.
sl@0:      * argvList[i] is a value list counted by argcList[i]
sl@0:      * varvList[i] is the list of variables associated with the value list
sl@0:      * varcList[i] is the number of variables associated with the value list
sl@0:      * index[i] is the current pointer into the value list argvList[i]
sl@0:      */
sl@0: 
sl@0:     numLists = (objc-2)/2;
sl@0:     if (numLists > STATIC_LIST_SIZE) {
sl@0: 	index = (int *) ckalloc(numLists * sizeof(int));
sl@0: 	varcList = (int *) ckalloc(numLists * sizeof(int));
sl@0: 	varvList = (Tcl_Obj ***) ckalloc(numLists * sizeof(Tcl_Obj **));
sl@0: 	argcList = (int *) ckalloc(numLists * sizeof(int));
sl@0: 	argvList = (Tcl_Obj ***) ckalloc(numLists * sizeof(Tcl_Obj **));
sl@0:     }
sl@0:     for (i = 0;  i < numLists;  i++) {
sl@0: 	index[i] = 0;
sl@0: 	varcList[i] = 0;
sl@0: 	varvList[i] = (Tcl_Obj **) NULL;
sl@0: 	argcList[i] = 0;
sl@0: 	argvList[i] = (Tcl_Obj **) NULL;
sl@0:     }
sl@0: 
sl@0:     /*
sl@0:      * Break up the value lists and variable lists into elements
sl@0:      */
sl@0: 
sl@0:     maxj = 0;
sl@0:     for (i = 0;  i < numLists;  i++) {
sl@0: 	result = Tcl_ListObjGetElements(interp, argObjv[1+i*2],
sl@0: 	        &varcList[i], &varvList[i]);
sl@0: 	if (result != TCL_OK) {
sl@0: 	    goto done;
sl@0: 	}
sl@0: 	if (varcList[i] < 1) {
sl@0: 	    Tcl_AppendToObj(Tcl_GetObjResult(interp),
sl@0: 	            "foreach varlist is empty", -1);
sl@0: 	    result = TCL_ERROR;
sl@0: 	    goto done;
sl@0: 	}
sl@0: 	
sl@0: 	result = Tcl_ListObjGetElements(interp, argObjv[2+i*2],
sl@0: 	        &argcList[i], &argvList[i]);
sl@0: 	if (result != TCL_OK) {
sl@0: 	    goto done;
sl@0: 	}
sl@0: 	
sl@0: 	j = argcList[i] / varcList[i];
sl@0: 	if ((argcList[i] % varcList[i]) != 0) {
sl@0: 	    j++;
sl@0: 	}
sl@0: 	if (j > maxj) {
sl@0: 	    maxj = j;
sl@0: 	}
sl@0:     }
sl@0: 
sl@0:     /*
sl@0:      * Iterate maxj times through the lists in parallel
sl@0:      * If some value lists run out of values, set loop vars to ""
sl@0:      */
sl@0:     
sl@0:     bodyPtr = argObjv[objc-1];
sl@0:     for (j = 0;  j < maxj;  j++) {
sl@0: 	for (i = 0;  i < numLists;  i++) {
sl@0: 	    /*
sl@0: 	     * Refetch the list members; we assume that the sizes are
sl@0: 	     * the same, but the array of elements might be different
sl@0: 	     * if the internal rep of the objects has been lost and
sl@0: 	     * recreated (it is too difficult to accurately tell when
sl@0: 	     * this happens, which can lead to some wierd crashes,
sl@0: 	     * like Bug #494348...)
sl@0: 	     */
sl@0: 
sl@0: 	    result = Tcl_ListObjGetElements(interp, argObjv[1+i*2],
sl@0: 		    &varcList[i], &varvList[i]);
sl@0: 	    if (result != TCL_OK) {
sl@0: 		panic("Tcl_ForeachObjCmd: could not reconvert variable list %d to a list object\n", i);
sl@0: 	    }
sl@0: 	    result = Tcl_ListObjGetElements(interp, argObjv[2+i*2],
sl@0: 		    &argcList[i], &argvList[i]);
sl@0: 	    if (result != TCL_OK) {
sl@0: 		panic("Tcl_ForeachObjCmd: could not reconvert value list %d to a list object\n", i);
sl@0: 	    }
sl@0: 	    
sl@0: 	    for (v = 0;  v < varcList[i];  v++) {
sl@0: 		int k = index[i]++;
sl@0: 		Tcl_Obj *valuePtr, *varValuePtr;
sl@0: 		
sl@0: 		if (k < argcList[i]) {
sl@0: 		    valuePtr = argvList[i][k];
sl@0: 		} else {
sl@0: 		    valuePtr = Tcl_NewObj(); /* empty string */
sl@0: 		}
sl@0: 		Tcl_IncrRefCount(valuePtr);
sl@0: 		varValuePtr = Tcl_ObjSetVar2(interp, varvList[i][v],
sl@0: 			NULL, valuePtr, 0);
sl@0: 		Tcl_DecrRefCount(valuePtr);
sl@0: 		if (varValuePtr == NULL) {
sl@0: 		    Tcl_ResetResult(interp);
sl@0: 		    Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
sl@0: 			"couldn't set loop variable: \"",
sl@0: 			Tcl_GetString(varvList[i][v]), "\"", (char *) NULL);
sl@0: 		    result = TCL_ERROR;
sl@0: 		    goto done;
sl@0: 		}
sl@0: 
sl@0: 	    }
sl@0: 	}
sl@0: 
sl@0: #ifndef TCL_TIP280
sl@0: 	result = Tcl_EvalObjEx(interp, bodyPtr, 0);
sl@0: #else
sl@0: 	/* TIP #280. Make invoking context available to loop body */
sl@0: 	result = TclEvalObjEx(interp, bodyPtr, 0, iPtr->cmdFramePtr,objc-1);
sl@0: #endif
sl@0: 	if (result != TCL_OK) {
sl@0: 	    if (result == TCL_CONTINUE) {
sl@0: 		result = TCL_OK;
sl@0: 	    } else if (result == TCL_BREAK) {
sl@0: 		result = TCL_OK;
sl@0: 		break;
sl@0: 	    } else if (result == TCL_ERROR) {
sl@0:                 char msg[32 + TCL_INTEGER_SPACE];
sl@0: 
sl@0: 		sprintf(msg, "\n    (\"foreach\" body line %d)",
sl@0: 			interp->errorLine);
sl@0: 		Tcl_AddObjErrorInfo(interp, msg, -1);
sl@0: 		break;
sl@0: 	    } else {
sl@0: 		break;
sl@0: 	    }
sl@0: 	}
sl@0:     }
sl@0:     if (result == TCL_OK) {
sl@0: 	Tcl_ResetResult(interp);
sl@0:     }
sl@0: 
sl@0:     done:
sl@0:     if (numLists > STATIC_LIST_SIZE) {
sl@0: 	ckfree((char *) index);
sl@0: 	ckfree((char *) varcList);
sl@0: 	ckfree((char *) argcList);
sl@0: 	ckfree((char *) varvList);
sl@0: 	ckfree((char *) argvList);
sl@0:     }
sl@0:     if (argObjv != argObjStorage) {
sl@0: 	ckfree((char *) argObjv);
sl@0:     }
sl@0:     return result;
sl@0: #undef STATIC_LIST_SIZE
sl@0: #undef NUM_ARGS
sl@0: }
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * Tcl_FormatObjCmd --
sl@0:  *
sl@0:  *	This procedure is invoked to process the "format" Tcl command.
sl@0:  *	See the user documentation for details on what it does.
sl@0:  *
sl@0:  * Results:
sl@0:  *	A standard Tcl result.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *	See the user documentation.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0: 	/* ARGSUSED */
sl@0: int
sl@0: Tcl_FormatObjCmd(dummy, interp, objc, objv)
sl@0:     ClientData dummy;    	/* Not used. */
sl@0:     Tcl_Interp *interp;		/* Current interpreter. */
sl@0:     int objc;			/* Number of arguments. */
sl@0:     Tcl_Obj *CONST objv[];	/* Argument objects. */
sl@0: {
sl@0:     char *format;		/* Used to read characters from the format
sl@0: 				 * string. */
sl@0:     int formatLen;		/* The length of the format string */
sl@0:     char *endPtr;		/* Points to the last char in format array */
sl@0:     char newFormat[43];		/* A new format specifier is generated here. */
sl@0:     int width;			/* Field width from field specifier, or 0 if
sl@0: 				 * no width given. */
sl@0:     int precision;		/* Field precision from field specifier, or 0
sl@0: 				 * if no precision given. */
sl@0:     int size;			/* Number of bytes needed for result of
sl@0: 				 * conversion, based on type of conversion
sl@0: 				 * ("e", "s", etc.), width, and precision. */
sl@0:     long intValue;		/* Used to hold value to pass to sprintf, if
sl@0: 				 * it's a one-word integer or char value */
sl@0:     char *ptrValue = NULL;	/* Used to hold value to pass to sprintf, if
sl@0: 				 * it's a one-word value. */
sl@0:     double doubleValue;		/* Used to hold value to pass to sprintf if
sl@0: 				 * it's a double value. */
sl@0:     Tcl_WideInt wideValue;	/* Used to hold value to pass to sprintf if
sl@0: 				 * it's a 'long long' value. */
sl@0:     int whichValue;		/* Indicates which of intValue, ptrValue,
sl@0: 				 * or doubleValue has the value to pass to
sl@0: 				 * sprintf, according to the following
sl@0: 				 * definitions: */
sl@0: #   define INT_VALUE 0
sl@0: #   define CHAR_VALUE 1
sl@0: #   define PTR_VALUE 2
sl@0: #   define DOUBLE_VALUE 3
sl@0: #   define STRING_VALUE 4
sl@0: #   define WIDE_VALUE 5
sl@0: #   define MAX_FLOAT_SIZE 320
sl@0: 
sl@0:     Tcl_Obj *resultPtr;  	/* Where result is stored finally. */
sl@0:     char staticBuf[MAX_FLOAT_SIZE + 1];
sl@0: 				/* A static buffer to copy the format results 
sl@0: 				 * into */
sl@0:     char *dst = staticBuf;      /* The buffer that sprintf writes into each
sl@0: 				 * time the format processes a specifier */
sl@0:     int dstSize = MAX_FLOAT_SIZE;
sl@0: 				/* The size of the dst buffer */
sl@0:     int noPercent;		/* Special case for speed:  indicates there's
sl@0: 				 * no field specifier, just a string to copy.*/
sl@0:     int objIndex;		/* Index of argument to substitute next. */
sl@0:     int gotXpg = 0;		/* Non-zero means that an XPG3 %n$-style
sl@0: 				 * specifier has been seen. */
sl@0:     int gotSequential = 0;	/* Non-zero means that a regular sequential
sl@0: 				 * (non-XPG3) conversion specifier has been
sl@0: 				 * seen. */
sl@0:     int useShort;		/* Value to be printed is short (half word). */
sl@0:     char *end;			/* Used to locate end of numerical fields. */
sl@0:     int stringLen = 0;		/* Length of string in characters rather
sl@0: 				 * than bytes.  Used for %s substitution. */
sl@0:     int gotMinus;		/* Non-zero indicates that a minus flag has
sl@0: 				 * been seen in the current field. */
sl@0:     int gotPrecision;		/* Non-zero indicates that a precision has
sl@0: 				 * been set for the current field. */
sl@0:     int gotZero;		/* Non-zero indicates that a zero flag has
sl@0: 				 * been seen in the current field. */
sl@0:     int useWide;		/* Value to be printed is Tcl_WideInt. */
sl@0: 
sl@0:     /*
sl@0:      * This procedure is a bit nasty.  The goal is to use sprintf to
sl@0:      * do most of the dirty work.  There are several problems:
sl@0:      * 1. this procedure can't trust its arguments.
sl@0:      * 2. we must be able to provide a large enough result area to hold
sl@0:      *    whatever's generated.  This is hard to estimate.
sl@0:      * 3. there's no way to move the arguments from objv to the call
sl@0:      *    to sprintf in a reasonable way.  This is particularly nasty
sl@0:      *    because some of the arguments may be two-word values (doubles
sl@0:      *    and wide-ints).
sl@0:      * So, what happens here is to scan the format string one % group
sl@0:      * at a time, making many individual calls to sprintf.
sl@0:      */
sl@0: 
sl@0:     if (objc < 2) {
sl@0: 	Tcl_WrongNumArgs(interp, 1, objv, "formatString ?arg arg ...?");
sl@0: 	return TCL_ERROR;
sl@0:     }
sl@0: 
sl@0:     format = Tcl_GetStringFromObj(objv[1], &formatLen);
sl@0:     endPtr = format + formatLen;
sl@0:     resultPtr = Tcl_NewObj();
sl@0:     objIndex = 2;
sl@0: 
sl@0:     while (format < endPtr) {
sl@0: 	register char *newPtr = newFormat;
sl@0: 
sl@0: 	width = precision = noPercent = useShort = 0;
sl@0: 	gotZero = gotMinus = gotPrecision = 0;
sl@0: 	useWide = 0;
sl@0: 	whichValue = PTR_VALUE;
sl@0: 
sl@0: 	/*
sl@0: 	 * Get rid of any characters before the next field specifier.
sl@0: 	 */
sl@0: 	if (*format != '%') {
sl@0: 	    ptrValue = format;
sl@0: 	    while ((*format != '%') && (format < endPtr)) {
sl@0: 		format++;
sl@0: 	    }
sl@0: 	    size = format - ptrValue;
sl@0: 	    noPercent = 1;
sl@0: 	    goto doField;
sl@0: 	}
sl@0: 
sl@0: 	if (format[1] == '%') {
sl@0: 	    ptrValue = format;
sl@0: 	    size = 1;
sl@0: 	    noPercent = 1;
sl@0: 	    format += 2;
sl@0: 	    goto doField;
sl@0: 	}
sl@0: 
sl@0: 	/*
sl@0: 	 * Parse off a field specifier, compute how many characters
sl@0: 	 * will be needed to store the result, and substitute for
sl@0: 	 * "*" size specifiers.
sl@0: 	 */
sl@0: 	*newPtr = '%';
sl@0: 	newPtr++;
sl@0: 	format++;
sl@0: 	if (isdigit(UCHAR(*format))) { /* INTL: Tcl source. */
sl@0: 	    int tmp;
sl@0: 
sl@0: 	    /*
sl@0: 	     * Check for an XPG3-style %n$ specification.  Note: there
sl@0: 	     * must not be a mixture of XPG3 specs and non-XPG3 specs
sl@0: 	     * in the same format string.
sl@0: 	     */
sl@0: 
sl@0: 	    tmp = strtoul(format, &end, 10);	/* INTL: "C" locale. */
sl@0: 	    if (*end != '$') {
sl@0: 		goto notXpg;
sl@0: 	    }
sl@0: 	    format = end+1;
sl@0: 	    gotXpg = 1;
sl@0: 	    if (gotSequential) {
sl@0: 		goto mixedXPG;
sl@0: 	    }
sl@0: 	    objIndex = tmp+1;
sl@0: 	    if ((objIndex < 2) || (objIndex >= objc)) {
sl@0: 		goto badIndex;
sl@0: 	    }
sl@0: 	    goto xpgCheckDone;
sl@0: 	}
sl@0: 
sl@0: 	notXpg:
sl@0: 	gotSequential = 1;
sl@0: 	if (gotXpg) {
sl@0: 	    goto mixedXPG;
sl@0: 	}
sl@0: 
sl@0: 	xpgCheckDone:
sl@0: 	while ((*format == '-') || (*format == '#') || (*format == '0')
sl@0: 		|| (*format == ' ') || (*format == '+')) {
sl@0: 	    if (*format == '-') {
sl@0: 		gotMinus = 1;
sl@0: 	    }
sl@0: 	    if (*format == '0') {
sl@0: 		/*
sl@0: 		 * This will be handled by sprintf for numbers, but we
sl@0: 		 * need to do the char/string ones ourselves
sl@0: 		 */
sl@0: 		gotZero = 1;
sl@0: 	    }
sl@0: 	    *newPtr = *format;
sl@0: 	    newPtr++;
sl@0: 	    format++;
sl@0: 	}
sl@0: 	if (isdigit(UCHAR(*format))) {		/* INTL: Tcl source. */
sl@0: 	    width = strtoul(format, &end, 10);	/* INTL: Tcl source. */
sl@0: 	    format = end;
sl@0: 	} else if (*format == '*') {
sl@0: 	    if (objIndex >= objc) {
sl@0: 		goto badIndex;
sl@0: 	    }
sl@0: 	    if (Tcl_GetIntFromObj(interp,	/* INTL: Tcl source. */
sl@0: 		    objv[objIndex], &width) != TCL_OK) {
sl@0: 		goto fmtError;
sl@0: 	    }
sl@0: 	    if (width < 0) {
sl@0: 		width = -width;
sl@0: 		*newPtr = '-';
sl@0: 		gotMinus = 1;
sl@0: 		newPtr++;
sl@0: 	    }
sl@0: 	    objIndex++;
sl@0: 	    format++;
sl@0: 	}
sl@0: 	if (width > 100000) {
sl@0: 	    /*
sl@0: 	     * Don't allow arbitrarily large widths:  could cause core
sl@0: 	     * dump when we try to allocate a zillion bytes of memory
sl@0: 	     * below.
sl@0: 	     */
sl@0: 
sl@0: 	    width = 100000;
sl@0: 	} else if (width < 0) {
sl@0: 	    width = 0;
sl@0: 	}
sl@0: 	if (width != 0) {
sl@0: 	    TclFormatInt(newPtr, width);	/* INTL: printf format. */
sl@0: 	    while (*newPtr != 0) {
sl@0: 		newPtr++;
sl@0: 	    }
sl@0: 	}
sl@0: 	if (*format == '.') {
sl@0: 	    *newPtr = '.';
sl@0: 	    newPtr++;
sl@0: 	    format++;
sl@0: 	    gotPrecision = 1;
sl@0: 	}
sl@0: 	if (isdigit(UCHAR(*format))) {		/* INTL: Tcl source. */
sl@0: 	    precision = strtoul(format, &end, 10);  /* INTL: "C" locale. */
sl@0: 	    format = end;
sl@0: 	} else if (*format == '*') {
sl@0: 	    if (objIndex >= objc) {
sl@0: 		goto badIndex;
sl@0: 	    }
sl@0: 	    if (Tcl_GetIntFromObj(interp,	/* INTL: Tcl source. */
sl@0: 		    objv[objIndex], &precision) != TCL_OK) {
sl@0: 		goto fmtError;
sl@0: 	    }
sl@0: 	    objIndex++;
sl@0: 	    format++;
sl@0: 	}
sl@0: 	if (gotPrecision) {
sl@0: 	    TclFormatInt(newPtr, precision);	/* INTL: printf format. */
sl@0: 	    while (*newPtr != 0) {
sl@0: 		newPtr++;
sl@0: 	    }
sl@0: 	}
sl@0: 	if (*format == 'l') {
sl@0: 	    useWide = 1;
sl@0: 	    /*
sl@0: 	     * Only add a 'll' modifier for integer values as it makes
sl@0: 	     * some libc's go into spasm otherwise.  [Bug #702622]
sl@0: 	     */
sl@0: 	    switch (format[1]) {
sl@0: 	    case 'i':
sl@0: 	    case 'd':
sl@0: 	    case 'o':
sl@0: 	    case 'u':
sl@0: 	    case 'x':
sl@0: 	    case 'X':
sl@0: 		strcpy(newPtr, TCL_LL_MODIFIER);
sl@0: 		newPtr += TCL_LL_MODIFIER_SIZE;
sl@0: 	    }
sl@0: 	    format++;
sl@0: 	} else if (*format == 'h') {
sl@0: 	    useShort = 1;
sl@0: 	    *newPtr = 'h';
sl@0: 	    newPtr++;
sl@0: 	    format++;
sl@0: 	}
sl@0: 	*newPtr = *format;
sl@0: 	newPtr++;
sl@0: 	*newPtr = 0;
sl@0: 	if (objIndex >= objc) {
sl@0: 	    goto badIndex;
sl@0: 	}
sl@0: 	switch (*format) {
sl@0: 	case 'i':
sl@0: 	    newPtr[-1] = 'd';
sl@0: 	case 'd':
sl@0: 	case 'o':
sl@0: 	case 'u':
sl@0: 	case 'x':
sl@0: 	case 'X':
sl@0: 	    if (useWide) {
sl@0: 		if (Tcl_GetWideIntFromObj(interp,	/* INTL: Tcl source. */
sl@0: 			objv[objIndex], &wideValue) != TCL_OK) {
sl@0: 		    goto fmtError;
sl@0: 		}
sl@0: 		whichValue = WIDE_VALUE;
sl@0: 		size = 40 + precision;
sl@0: 		break;
sl@0: 	    }
sl@0: 	    if (Tcl_GetLongFromObj(interp,		/* INTL: Tcl source. */
sl@0: 		    objv[objIndex], &intValue) != TCL_OK) {
sl@0: 		if (Tcl_GetWideIntFromObj(interp,	/* INTL: Tcl source. */
sl@0: 			objv[objIndex], &wideValue) != TCL_OK) {
sl@0: 		    goto fmtError;
sl@0: 		}
sl@0: 		intValue = Tcl_WideAsLong(wideValue);
sl@0: 	    }
sl@0: 
sl@0: #if (LONG_MAX > INT_MAX)
sl@0: 	    if (!useShort) {
sl@0: 		/*
sl@0: 		 * Add the 'l' for long format type because we are on an
sl@0: 		 * LP64 archtecture and we are really going to pass a long
sl@0: 		 * argument to sprintf.
sl@0: 		 *
sl@0: 		 * Do not add this if we're going to pass in a short (i.e.
sl@0: 		 * if we've got an 'h' modifier already in the string); some
sl@0: 		 * libc implementations of sprintf() do not like it at all.
sl@0: 		 * [Bug 1154163]
sl@0: 		 */
sl@0: 		newPtr++;
sl@0: 		*newPtr = 0;
sl@0: 		newPtr[-1] = newPtr[-2];
sl@0: 		newPtr[-2] = 'l';
sl@0: 	    }
sl@0: #endif /* LONG_MAX > INT_MAX */
sl@0: 	    whichValue = INT_VALUE;
sl@0: 	    size = 40 + precision;
sl@0: 	    break;
sl@0: 	case 's':
sl@0: 	    /*
sl@0: 	     * Compute the length of the string in characters and add
sl@0: 	     * any additional space required by the field width.  All
sl@0: 	     * of the extra characters will be spaces, so one byte per
sl@0: 	     * character is adequate.
sl@0: 	     */
sl@0: 
sl@0: 	    whichValue = STRING_VALUE;
sl@0: 	    ptrValue = Tcl_GetStringFromObj(objv[objIndex], &size);
sl@0: 	    stringLen = Tcl_NumUtfChars(ptrValue, size);
sl@0: 	    if (gotPrecision && (precision < stringLen)) {
sl@0: 		stringLen = precision;
sl@0: 	    }
sl@0: 	    size = Tcl_UtfAtIndex(ptrValue, stringLen) - ptrValue;
sl@0: 	    if (width > stringLen) {
sl@0: 		size += (width - stringLen);
sl@0: 	    }
sl@0: 	    break;
sl@0: 	case 'c':
sl@0: 	    if (Tcl_GetLongFromObj(interp,	/* INTL: Tcl source. */
sl@0: 		    objv[objIndex], &intValue) != TCL_OK) {
sl@0: 		goto fmtError;
sl@0: 	    }
sl@0: 	    whichValue = CHAR_VALUE;
sl@0: 	    size = width + TCL_UTF_MAX;
sl@0: 	    break;
sl@0: 	case 'e':
sl@0: 	case 'E':
sl@0: 	case 'f':
sl@0: 	case 'g':
sl@0: 	case 'G':
sl@0: 	    if (Tcl_GetDoubleFromObj(interp, /* INTL: Tcl source. */
sl@0: 		    objv[objIndex], &doubleValue) != TCL_OK) {
sl@0: 		goto fmtError;
sl@0: 	    }
sl@0: 	    whichValue = DOUBLE_VALUE;
sl@0: 	    size = MAX_FLOAT_SIZE;
sl@0: 	    if (precision > 10) {
sl@0: 		size += precision;
sl@0: 	    }
sl@0: 	    break;
sl@0: 	case 0:
sl@0: 	    Tcl_SetResult(interp,
sl@0: 		    "format string ended in middle of field specifier",
sl@0: 		    TCL_STATIC);
sl@0: 	    goto fmtError;
sl@0: 	default:
sl@0: 	{
sl@0: 	    char buf[40];
sl@0: 
sl@0: 	    sprintf(buf, "bad field specifier \"%c\"", *format);
sl@0: 	    Tcl_SetResult(interp, buf, TCL_VOLATILE);
sl@0: 	    goto fmtError;
sl@0: 	}
sl@0: 	}
sl@0: 	objIndex++;
sl@0: 	format++;
sl@0: 
sl@0: 	/*
sl@0: 	 * Make sure that there's enough space to hold the formatted
sl@0: 	 * result, then format it.
sl@0: 	 */
sl@0: 
sl@0: 	doField:
sl@0: 	if (width > size) {
sl@0: 	    size = width;
sl@0: 	}
sl@0: 	if (noPercent) {
sl@0: 	    Tcl_AppendToObj(resultPtr, ptrValue, size);
sl@0: 	} else {
sl@0: 	    if (size > dstSize) {
sl@0: 	        if (dst != staticBuf) {
sl@0: 		    ckfree(dst);
sl@0: 		}
sl@0: 		dst = (char *) ckalloc((unsigned) (size + 1));
sl@0: 		dstSize = size;
sl@0: 	    }
sl@0: 	    switch (whichValue) {
sl@0: 	    case DOUBLE_VALUE:
sl@0: 		sprintf(dst, newFormat, doubleValue); /* INTL: user locale. */
sl@0: 		break;
sl@0: 	    case WIDE_VALUE:
sl@0: 		sprintf(dst, newFormat, wideValue);
sl@0: 		break;
sl@0: 	    case INT_VALUE:
sl@0: 		if (useShort) {
sl@0: 		    sprintf(dst, newFormat, (short) intValue);
sl@0: 		} else {
sl@0: 		    sprintf(dst, newFormat, intValue);
sl@0: 		}
sl@0: 		break;
sl@0: 	    case CHAR_VALUE: {
sl@0: 		char *ptr;
sl@0: 		char padChar = (gotZero ? '0' : ' ');
sl@0: 		ptr = dst;
sl@0: 		if (!gotMinus) {
sl@0: 		    for ( ; --width > 0; ptr++) {
sl@0: 			*ptr = padChar;
sl@0: 		    }
sl@0: 		}
sl@0: 		ptr += Tcl_UniCharToUtf(intValue, ptr);
sl@0: 		for ( ; --width > 0; ptr++) {
sl@0: 		    *ptr = padChar;
sl@0: 		}
sl@0: 		*ptr = '\0';
sl@0: 		break;
sl@0: 	    }
sl@0: 	    case STRING_VALUE: {
sl@0: 		char *ptr;
sl@0: 		char padChar = (gotZero ? '0' : ' ');
sl@0: 		int pad;
sl@0: 
sl@0: 		ptr = dst;
sl@0: 		if (width > stringLen) {
sl@0: 		    pad = width - stringLen;
sl@0: 		} else {
sl@0: 		    pad = 0;
sl@0: 		}
sl@0: 
sl@0: 		if (!gotMinus) {
sl@0: 		    while (pad > 0) {
sl@0: 			*ptr++ = padChar;
sl@0: 			pad--;
sl@0: 		    }
sl@0: 		}
sl@0: 
sl@0: 		size = Tcl_UtfAtIndex(ptrValue, stringLen) - ptrValue; 
sl@0: 		if (size) {
sl@0: 		    memcpy(ptr, ptrValue, (size_t) size);
sl@0: 		    ptr += size;
sl@0: 		}
sl@0: 		while (pad > 0) {
sl@0: 		    *ptr++ = padChar;
sl@0: 		    pad--;
sl@0: 		}
sl@0: 		*ptr = '\0';
sl@0: 		break;
sl@0: 	    }
sl@0: 	    default:
sl@0: 		sprintf(dst, newFormat, ptrValue);
sl@0: 		break;
sl@0: 	    }
sl@0: 	    Tcl_AppendToObj(resultPtr, dst, -1);
sl@0: 	}
sl@0:     }
sl@0: 
sl@0:     Tcl_SetObjResult(interp, resultPtr);
sl@0:     if (dst != staticBuf) {
sl@0: 	ckfree(dst);
sl@0:     }
sl@0:     return TCL_OK;
sl@0: 
sl@0:     mixedXPG:
sl@0:     Tcl_SetResult(interp, 
sl@0: 	    "cannot mix \"%\" and \"%n$\" conversion specifiers", TCL_STATIC);
sl@0:     goto fmtError;
sl@0: 
sl@0:     badIndex:
sl@0:     if (gotXpg) {
sl@0: 	Tcl_SetResult(interp, 
sl@0: 		"\"%n$\" argument index out of range", TCL_STATIC);
sl@0:     } else {
sl@0: 	Tcl_SetResult(interp, 
sl@0: 		"not enough arguments for all format specifiers", TCL_STATIC);
sl@0:     }
sl@0: 
sl@0:     fmtError:
sl@0:     if (dst != staticBuf) {
sl@0: 	ckfree(dst);
sl@0:     }
sl@0:     Tcl_DecrRefCount(resultPtr);
sl@0:     return TCL_ERROR;
sl@0: }
sl@0: 
sl@0: /*
sl@0:  * Local Variables:
sl@0:  * mode: c
sl@0:  * c-basic-offset: 4
sl@0:  * fill-column: 78
sl@0:  * End:
sl@0:  */
sl@0: