diff options
Diffstat (limited to 'generic/tclCmdAH.c')
| -rw-r--r-- | generic/tclCmdAH.c | 2584 |
1 files changed, 1016 insertions, 1568 deletions
diff --git a/generic/tclCmdAH.c b/generic/tclCmdAH.c index 2f7814c..44f08a3 100644 --- a/generic/tclCmdAH.c +++ b/generic/tclCmdAH.c @@ -1,51 +1,45 @@ -/* +/* * 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. + * 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. + * See the file "license.terms" for information on usage and redistribution of + * this file, and for a DISCLAIMER OF ALL WARRANTIES. */ -#ifndef _WIN64 -/* See [Bug 3354324]: file mtime sets wrong time */ -# define _USE_32BIT_TIME_T -#endif - -#include <sys/stat.h> #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)); +static int CheckAccess(Tcl_Interp *interp, Tcl_Obj *pathPtr, + int mode); +static int EncodingDirsObjCmd(ClientData dummy, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +static int GetStatBuf(Tcl_Interp *interp, Tcl_Obj *pathPtr, + Tcl_FSStatProc *statProc, Tcl_StatBuf *statPtr); +static char * GetTypeFromMode(int mode); +static int StoreStatData(Tcl_Interp *interp, Tcl_Obj *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. + * 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" + * 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. @@ -58,11 +52,11 @@ static int StoreStatData _ANSI_ARGS_((Tcl_Interp *interp, /* 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. */ +Tcl_BreakObjCmd( + 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); @@ -76,8 +70,9 @@ Tcl_BreakObjCmd(dummy, interp, objc, objv) * * Tcl_CaseObjCmd -- * - * This procedure is invoked to process the "case" Tcl command. - * See the user documentation for details on what it does. + * This procedure is invoked to process the "case" Tcl command. See the + * user documentation for details on what it does. THIS COMMAND IS + * OBSOLETE AND DEPRECATED. SLATED FOR REMOVAL IN TCL 9.0. * * Results: * A standard Tcl object result. @@ -90,16 +85,16 @@ Tcl_BreakObjCmd(dummy, interp, objc, objv) /* 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. */ +Tcl_CaseObjCmd( + 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; + char *stringPtr, *arg; + Tcl_Obj *const *caseObjv; Tcl_Obj *armPtr; if (objc < 3) { @@ -108,10 +103,10 @@ Tcl_CaseObjCmd(dummy, interp, objc, objv) return TCL_ERROR; } - string = Tcl_GetString(objv[1]); + stringPtr = TclGetString(objv[1]); body = -1; - arg = Tcl_GetString(objv[2]); + arg = TclGetString(objv[2]); if (strcmp(arg, "in") == 0) { i = 3; } else { @@ -121,36 +116,35 @@ Tcl_CaseObjCmd(dummy, interp, objc, objv) caseObjv = objv + i; /* - * If all of the pattern/command pairs are lumped into a single - * argument, split them out again. + * 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); + + TclListObjGetElements(interp, caseObjv[0], &caseObjc, &newObjv); caseObjv = newObjv; } for (i = 0; i < caseObjc; i += 2) { int patObjc, j; - CONST char **patObjv; + 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); + Tcl_AppendResult(interp, "extra case pattern with no body", NULL); return TCL_ERROR; } /* - * Check for special case of single pattern (no list) with - * no backslash sequences. + * Check for special case of single pattern (no list) with no + * backslash sequences. */ - pat = Tcl_GetString(caseObjv[i]); + pat = TclGetString(caseObjv[i]); for (p = (unsigned char *) pat; *p != '\0'; p++) { if (isspace(*p) || (*p == '\\')) { /* INTL: ISO space, UCHAR */ break; @@ -160,17 +154,16 @@ Tcl_CaseObjCmd(dummy, interp, objc, objv) if ((*pat == 'd') && (strcmp(pat, "default") == 0)) { body = i + 1; } - if (Tcl_StringMatch(string, pat)) { + if (Tcl_StringMatch(stringPtr, pat)) { body = i + 1; goto match; } continue; } - /* - * Break up pattern lists, then check each of the patterns - * in the list. + * Break up pattern lists, then check each of the patterns in the + * list. */ result = Tcl_SplitList(interp, pat, &patObjc, &patObjv); @@ -178,7 +171,7 @@ Tcl_CaseObjCmd(dummy, interp, objc, objv) return result; } for (j = 0; j < patObjc; j++) { - if (Tcl_StringMatch(string, patObjv[j])) { + if (Tcl_StringMatch(stringPtr, patObjv[j])) { body = i + 1; break; } @@ -189,18 +182,14 @@ Tcl_CaseObjCmd(dummy, interp, objc, objv) } } - match: + 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); + Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf( + "\n (\"%.50s\" arm line %d)", + TclGetString(armPtr), interp->errorLine)); } return result; } @@ -217,7 +206,7 @@ Tcl_CaseObjCmd(dummy, interp, objc, objv) * * Tcl_CatchObjCmd -- * - * This object-based procedure is invoked to process the "catch" Tcl + * This object-based procedure is invoked to process the "catch" Tcl * command. See the user documentation for details on what it does. * * Results: @@ -231,53 +220,68 @@ Tcl_CaseObjCmd(dummy, interp, objc, objv) /* 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_CatchObjCmd( + ClientData dummy, /* Not used. */ + Tcl_Interp *interp, /* Current interpreter. */ + int objc, /* Number of arguments. */ + Tcl_Obj *const objv[]) /* Argument objects. */ { Tcl_Obj *varNamePtr = NULL; + Tcl_Obj *optionVarNamePtr = NULL; int result; -#ifdef TCL_TIP280 - Interp* iPtr = (Interp*) interp; -#endif + Interp *iPtr = (Interp *) interp; - if ((objc != 2) && (objc != 3)) { - Tcl_WrongNumArgs(interp, 1, objv, "command ?varName?"); + if ((objc < 2) || (objc > 4)) { + Tcl_WrongNumArgs(interp, 1, objv, + "script ?resultVarName? ?optionVarName?"); return TCL_ERROR; } - if (objc == 3) { + if (objc >= 3) { varNamePtr = objv[2]; } + if (objc == 4) { + optionVarNamePtr = objv[3]; + } -#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) { + /* + * TIP #280. Make invoking context available to caught script. + */ + + result = TclEvalObjEx(interp, objv[1], 0, iPtr->cmdFramePtr, 1); + + /* + * We disable catch in interpreters where the limit has been exceeded. + */ + + if (Tcl_LimitExceeded(interp)) { + Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf( + "\n (\"catch\" body line %d)", interp->errorLine)); + return TCL_ERROR; + } + + if (objc >= 3) { + if (NULL == Tcl_ObjSetVar2(interp, varNamePtr, NULL, + Tcl_GetObjResult(interp), 0)) { Tcl_ResetResult(interp); - Tcl_AppendToObj(Tcl_GetObjResult(interp), - "couldn't save command result in variable", -1); + Tcl_AppendResult(interp, + "couldn't save command result in variable", NULL); + return TCL_ERROR; + } + } + if (objc == 4) { + Tcl_Obj *options = Tcl_GetReturnOptions(interp, result); + if (NULL == Tcl_ObjSetVar2(interp, optionVarNamePtr, NULL, + options, 0)) { + Tcl_ResetResult(interp); + Tcl_AppendResult(interp, + "couldn't save return options in variable", NULL); 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); + Tcl_SetObjResult(interp, Tcl_NewIntObj(result)); return TCL_OK; } @@ -286,8 +290,8 @@ Tcl_CatchObjCmd(dummy, interp, objc, objv) * * Tcl_CdObjCmd -- * - * This procedure is invoked to process the "cd" Tcl command. - * See the user documentation for details on what it does. + * 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. @@ -300,11 +304,11 @@ Tcl_CatchObjCmd(dummy, interp, objc, objv) /* 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_CdObjCmd( + 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; @@ -317,7 +321,7 @@ Tcl_CdObjCmd(dummy, interp, objc, objv) if (objc == 2) { dir = objv[1]; } else { - dir = Tcl_NewStringObj("~",1); + TclNewLiteralStringObj(dir, "~"); Tcl_IncrRefCount(dir); } if (Tcl_FSConvertToPathType(interp, dir) != TCL_OK) { @@ -326,7 +330,7 @@ Tcl_CdObjCmd(dummy, interp, objc, objv) 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); + TclGetString(dir), "\": ", Tcl_PosixError(interp), NULL); result = TCL_ERROR; } } @@ -355,11 +359,11 @@ Tcl_CdObjCmd(dummy, interp, objc, objv) /* 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. */ +Tcl_ConcatObjCmd( + 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)); @@ -370,14 +374,14 @@ Tcl_ConcatObjCmd(dummy, interp, objc, objv) /* *---------------------------------------------------------------------- * - * Tcl_ContinueObjCmd - + * Tcl_ContinueObjCmd -- * - * This procedure is invoked to process the "continue" Tcl command. - * See the user documentation for details on what it does. + * 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" + * 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. @@ -390,11 +394,11 @@ Tcl_ConcatObjCmd(dummy, interp, objc, objv) /* 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. */ +Tcl_ContinueObjCmd( + 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); @@ -420,29 +424,25 @@ Tcl_ContinueObjCmd(dummy, interp, objc, objv) */ 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. */ +Tcl_EncodingObjCmd( + 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; + int index; - static CONST char *optionStrings[] = { - "convertfrom", "convertto", "names", "system", + static const char *optionStrings[] = { + "convertfrom", "convertto", "dirs", "names", "system", NULL }; enum options { - ENC_CONVERTFROM, ENC_CONVERTTO, ENC_NAMES, ENC_SYSTEM + ENC_CONVERTFROM, ENC_CONVERTTO, ENC_DIRS, ENC_NAMES, ENC_SYSTEM }; if (objc < 2) { - Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?"); - return TCL_ERROR; + Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?"); + return TCL_ERROR; } if (Tcl_GetIndexFromObj(interp, objv[1], optionStrings, "option", 0, &index) != TCL_OK) { @@ -450,78 +450,80 @@ Tcl_EncodingObjCmd(dummy, interp, objc, objv) } 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"); + case ENC_CONVERTTO: + case ENC_CONVERTFROM: { + Tcl_Obj *data; + Tcl_DString ds; + Tcl_Encoding encoding; + int length; + char *stringPtr; + + if (objc == 3) { + encoding = Tcl_GetEncoding(interp, NULL); + data = objv[2]; + } else if (objc == 4) { + if (Tcl_GetEncodingFromObj(interp, objv[2], &encoding) != TCL_OK) { return TCL_ERROR; } - - if ((enum options) index == ENC_CONVERTFROM) { - /* - * Treat the string as binary data. - */ + data = objv[3]; + } else { + Tcl_WrongNumArgs(interp, 2, objv, "?encoding? data"); + return TCL_ERROR; + } - string = (char *) Tcl_GetByteArrayFromObj(data, &length); - Tcl_ExternalToUtfDString(encoding, string, length, &ds); + if ((enum options) index == ENC_CONVERTFROM) { + /* + * Treat the string as binary data. + */ - /* - * Note that we cannot use Tcl_DStringResult here because - * it will truncate the string at the first null byte. - */ + stringPtr = (char *) Tcl_GetByteArrayFromObj(data, &length); + Tcl_ExternalToUtfDString(encoding, stringPtr, length, &ds); - Tcl_SetStringObj(Tcl_GetObjResult(interp), - Tcl_DStringValue(&ds), Tcl_DStringLength(&ds)); - Tcl_DStringFree(&ds); - } else { - /* - * Store the result as binary data. - */ + /* + * Note that we cannot use Tcl_DStringResult here because it will + * truncate the string at the first null byte. + */ - 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_SetObjResult(interp, Tcl_NewStringObj( + Tcl_DStringValue(&ds), Tcl_DStringLength(&ds))); + Tcl_DStringFree(&ds); + } else { + /* + * Store the result as binary data. + */ - Tcl_FreeEncoding(encoding); - break; + stringPtr = TclGetStringFromObj(data, &length); + Tcl_UtfToExternalDString(encoding, stringPtr, length, &ds); + Tcl_SetObjResult(interp, Tcl_NewByteArrayObj( + (unsigned char *) Tcl_DStringValue(&ds), + Tcl_DStringLength(&ds))); + Tcl_DStringFree(&ds); } - case ENC_NAMES: { - if (objc > 2) { - Tcl_WrongNumArgs(interp, 2, objv, NULL); - return TCL_ERROR; - } - Tcl_GetEncodingNames(interp); - break; + + Tcl_FreeEncoding(encoding); + break; + } + case ENC_DIRS: + return EncodingDirsObjCmd(dummy, interp, objc, objv); + case ENC_NAMES: + if (objc > 2) { + Tcl_WrongNumArgs(interp, 2, objv, NULL); + return TCL_ERROR; } - 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; + Tcl_GetEncodingNames(interp); + break; + case ENC_SYSTEM: + if (objc > 3) { + Tcl_WrongNumArgs(interp, 2, objv, "?encoding?"); + return TCL_ERROR; } + if (objc == 2) { + Tcl_SetObjResult(interp, Tcl_NewStringObj( + Tcl_GetEncodingName(NULL), -1)); + } else { + return Tcl_SetSystemEncoding(interp, TclGetString(objv[2])); + } + break; } return TCL_OK; } @@ -529,10 +531,54 @@ Tcl_EncodingObjCmd(dummy, interp, objc, objv) /* *---------------------------------------------------------------------- * + * EncodingDirsObjCmd -- + * + * This command manipulates the encoding search path. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * Can set the encoding search path. + * + *---------------------------------------------------------------------- + */ + +int +EncodingDirsObjCmd( + ClientData dummy, /* Not used. */ + Tcl_Interp *interp, /* Current interpreter. */ + int objc, /* Number of arguments. */ + Tcl_Obj *const objv[]) /* Argument objects. */ +{ + Tcl_Obj *dirListObj; + + if (objc > 3) { + Tcl_WrongNumArgs(interp, 2, objv, "?dirList?"); + return TCL_ERROR; + } + if (objc == 2) { + Tcl_SetObjResult(interp, Tcl_GetEncodingSearchPath()); + return TCL_OK; + } + + dirListObj = objv[2]; + if (Tcl_SetEncodingSearchPath(dirListObj) == TCL_ERROR) { + Tcl_AppendResult(interp, "expected directory list but got \"", + TclGetString(dirListObj), "\"", NULL); + return TCL_ERROR; + } + Tcl_SetObjResult(interp, dirListObj); + 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. + * 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. @@ -545,36 +591,35 @@ Tcl_EncodingObjCmd(dummy, interp, objc, objv) /* 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. */ +Tcl_ErrorObjCmd( + 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; + Tcl_Obj *options, *optName; 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; - } + + TclNewLiteralStringObj(options, "-code error -level 0"); + + if (objc >= 3) { /* Process the optional info argument */ + TclNewLiteralStringObj(optName, "-errorinfo"); + Tcl_ListObjAppendElement(NULL, options, optName); + Tcl_ListObjAppendElement(NULL, options, objv[2]); } - - if (objc == 4) { - Tcl_SetVar2Ex(interp, "errorCode", NULL, objv[3], TCL_GLOBAL_ONLY); - iPtr->flags |= ERROR_CODE_SET; + + if (objc >= 4) { /* Process the optional code argument */ + TclNewLiteralStringObj(optName, "-errorcode"); + Tcl_ListObjAppendElement(NULL, options, optName); + Tcl_ListObjAppendElement(NULL, options, objv[3]); } - + Tcl_SetObjResult(interp, objv[1]); - return TCL_ERROR; + return Tcl_SetReturnOptions(interp, options); } /* @@ -582,7 +627,7 @@ Tcl_ErrorObjCmd(dummy, interp, objc, objv) * * Tcl_EvalObjCmd -- * - * This object-based procedure is invoked to process the "eval" Tcl + * This object-based procedure is invoked to process the "eval" Tcl * command. See the user documentation for details on what it does. * * Results: @@ -596,53 +641,50 @@ Tcl_ErrorObjCmd(dummy, interp, objc, objv) /* 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. */ +Tcl_EvalObjCmd( + 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 + Interp *iPtr = (Interp *) interp; 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 argument location available to eval'd script */ + /* + * TIP #280. Make argument location available to eval'd script. + */ + CmdFrame* invoker = iPtr->cmdFramePtr; int word = 1; TclArgumentGet (interp, objv[1], &invoker, &word); + result = TclEvalObjEx(interp, objv[1], TCL_EVAL_DIRECT, - invoker, word); -#endif + invoker, word); } 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. + * 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 */ + + objPtr = Tcl_ConcatObj(objc-1, objv+1); + + /* + * 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); + Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf( + "\n (\"eval\" body line %d)", interp->errorLine)); } return result; } @@ -652,8 +694,8 @@ Tcl_EvalObjCmd(dummy, interp, objc, objv) * * Tcl_ExitObjCmd -- * - * This procedure is invoked to process the "exit" Tcl command. - * See the user documentation for details on what it does. + * 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. @@ -666,11 +708,11 @@ Tcl_EvalObjCmd(dummy, interp, objc, objv) /* 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. */ +Tcl_ExitObjCmd( + ClientData dummy, /* Not used. */ + Tcl_Interp *interp, /* Current interpreter. */ + int objc, /* Number of arguments. */ + Tcl_Obj *const objv[]) /* Argument objects. */ { int value; @@ -678,7 +720,7 @@ Tcl_ExitObjCmd(dummy, interp, objc, objv) Tcl_WrongNumArgs(interp, 1, objv, "?returnCode?"); return TCL_ERROR; } - + if (objc == 1) { value = 0; } else if (Tcl_GetIntFromObj(interp, objv[1], &value) != TCL_OK) { @@ -686,7 +728,7 @@ Tcl_ExitObjCmd(dummy, interp, objc, objv) } Tcl_Exit(value); /*NOTREACHED*/ - return TCL_OK; /* Better not ever reach this! */ + return TCL_OK; /* Better not ever reach this! */ } /* @@ -698,8 +740,8 @@ Tcl_ExitObjCmd(dummy, interp, objc, objv) * 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 + * 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") @@ -715,16 +757,14 @@ Tcl_ExitObjCmd(dummy, interp, objc, objv) /* 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_ExprObjCmd( + ClientData dummy, /* Not used. */ + Tcl_Interp *interp, /* Current interpreter. */ + int objc, /* Number of arguments. */ + Tcl_Obj *const objv[]) /* Argument objects. */ +{ Tcl_Obj *resultPtr; - register char *bytes; - int length, i, result; + int result; if (objc < 2) { Tcl_WrongNumArgs(interp, 1, objv, "arg ?arg ...?"); @@ -733,42 +773,18 @@ Tcl_ExprObjCmd(dummy, interp, objc, objv) 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); + } else { + Tcl_Obj *objPtr = Tcl_ConcatObj(objc-1, objv+1); + Tcl_IncrRefCount(objPtr); + result = Tcl_ExprObj(interp, objPtr, &resultPtr); + Tcl_DecrRefCount(objPtr); } - /* - * 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 */ + Tcl_DecrRefCount(resultPtr); /* Done with the result object */ } - /* - * Free allocated resources. - */ - - Tcl_DecrRefCount(objPtr); return result; } @@ -777,12 +793,11 @@ Tcl_ExprObjCmd(dummy, interp, objc, objv) * * 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. + * This procedure is invoked to process the "file" Tcl command. See the + * user documentation for details on what it does. PLEASE NOTE THAT THIS + * FAILS WITH FILENAMES AND PATHS WITH EMBEDDED NULLS. With the + * object-based Tcl_FS APIs, the above NOTE may no longer be true. In any + * case this assertion should be tested. * * Results: * A standard Tcl result. @@ -795,607 +810,569 @@ Tcl_ExprObjCmd(dummy, interp, objc, objv) /* 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. */ +Tcl_FileObjCmd( + ClientData dummy, /* Not used. */ + Tcl_Interp *interp, /* Current interpreter. */ + int objc, /* Number of arguments. */ + Tcl_Obj *const objv[]) /* Argument objects. */ { - int index; + int index, value; + Tcl_StatBuf buf; + struct utimbuf tval; -/* - * This list of constants should match the fileOption string array below. - */ + /* + * This list of constants should match the fileOption string array below. + */ - static CONST char *fileOptions[] = { + static const char *fileOptions[] = { "atime", "attributes", "channels", "copy", "delete", "dirname", "executable", "exists", "extension", "isdirectory", "isfile", "join", "link", - "lstat", "mtime", "mkdir", "nativename", + "lstat", "mtime", "mkdir", "nativename", "normalize", "owned", "pathtype", "readable", "readlink", "rename", - "rootname", "separator", "size", "split", - "stat", "system", + "rootname", "separator", "size", "split", + "stat", "system", "tail", "type", "volumes", "writable", - (char *) NULL + 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_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_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; + 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; + 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) { + case FCMD_ATIME: + case FCMD_MTIME: + 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) { + /* + * Need separate variable for reading longs from an object on + * 64-bit platforms. [Bug #698146] + */ + + long newTime; + + if (TclGetLongFromObj(interp, objv[3], &newTime) != TCL_OK) { return TCL_ERROR; } - if (objc == 4) { - long newTime; - if (Tcl_GetLongFromObj(interp, objv[3], &newTime) != TCL_OK) { - return TCL_ERROR; - } + if (index == FCMD_ATIME) { 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; - } + } else { /* index == FCMD_MTIME */ + tval.actime = buf.st_atime; + tval.modtime = newTime; } - 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?"); + + if (Tcl_FSUtime(objv[2], &tval) != 0) { + Tcl_AppendResult(interp, "could not set ", + (index == FCMD_ATIME ? "access" : "modification"), + " time for file \"", TclGetString(objv[2]), "\": ", + Tcl_PosixError(interp), NULL); return TCL_ERROR; } - 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; + + /* + * 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; } } - case FCMD_EXECUTABLE: { - if (objc != 3) { - goto only3Args; - } - return CheckAccess(interp, objv[2], X_OK); + + Tcl_SetObjResult(interp, Tcl_NewLongObj((long) + (index == FCMD_ATIME ? buf.st_atime : buf.st_mtime))); + return TCL_OK; + case FCMD_ATTRIBUTES: + return TclFileAttrsCmd(interp, objc, objv); + case FCMD_CHANNELS: + if ((objc < 2) || (objc > 3)) { + Tcl_WrongNumArgs(interp, 2, objv, "?pattern?"); + return TCL_ERROR; } - case FCMD_EXISTS: { - if (objc != 3) { - goto only3Args; - } - return CheckAccess(interp, objv[2], F_OK); + return Tcl_GetChannelNamesEx(interp, + ((objc == 2) ? NULL : TclGetString(objv[2]))); + case FCMD_COPY: + return TclFileCopyCmd(interp, objc, objv); + case FCMD_DELETE: + return TclFileDeleteCmd(interp, objc, objv); + case FCMD_DIRNAME: { + Tcl_Obj *dirPtr; + + if (objc != 3) { + goto only3Args; } - 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); - } + dirPtr = TclPathPart(interp, objv[2], TCL_PATH_DIRNAME); + if (dirPtr == NULL) { + return TCL_ERROR; + } else { + Tcl_SetObjResult(interp, dirPtr); + Tcl_DecrRefCount(dirPtr); 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); + } + case FCMD_EXECUTABLE: + if (objc != 3) { + goto only3Args; + } + return CheckAccess(interp, objv[2], X_OK); + case FCMD_EXISTS: + if (objc != 3) { + goto only3Args; + } + return CheckAccess(interp, objv[2], F_OK); + case FCMD_EXTENSION: { + Tcl_Obj *ext; + + if (objc != 3) { + goto only3Args; + } + ext = TclPathPart(interp, objv[2], TCL_PATH_EXTENSION); + if (ext != NULL) { + Tcl_SetObjResult(interp, ext); + Tcl_DecrRefCount(ext); return TCL_OK; + } else { + return TCL_ERROR; } - 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_ISDIRECTORY: + if (objc != 3) { + goto only3Args; + } + value = 0; + if (GetStatBuf(NULL, objv[2], Tcl_FSStat, &buf) == TCL_OK) { + value = S_ISDIR(buf.st_mode); } - case FCMD_JOIN: { - Tcl_Obj *resObj; + Tcl_SetObjResult(interp, Tcl_NewBooleanObj(value)); + return TCL_OK; + case FCMD_ISFILE: + if (objc != 3) { + goto only3Args; + } + value = 0; + if (GetStatBuf(NULL, objv[2], Tcl_FSStat, &buf) == TCL_OK) { + value = S_ISREG(buf.st_mode); + } + Tcl_SetObjResult(interp, Tcl_NewBooleanObj(value)); + return TCL_OK; + case FCMD_OWNED: + if (objc != 3) { + goto only3Args; + } + value = 0; + if (GetStatBuf(NULL, objv[2], Tcl_FSStat, &buf) == TCL_OK) { + /* + * For Windows, there are no user ids associated with a file, so + * we always return 1. + */ - 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; +#if defined(__WIN32__) || defined(__CYGWIN__) + value = 1; +#else + value = (geteuid() == buf.st_uid); +#endif } - 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 */ + Tcl_SetObjResult(interp, Tcl_NewBooleanObj(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) { - 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) { + /* + * 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; } - /* 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; + if (linkAction == 0) { + linkAction = TCL_CREATE_SYMBOLIC_LINK; + } else { + linkAction = TCL_CREATE_HARD_LINK; } } 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; - } + linkAction = TCL_CREATE_SYMBOLIC_LINK|TCL_CREATE_HARD_LINK; } - 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) { + if (Tcl_FSConvertToPathType(interp, objv[index]) != 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; + /* + * Create link from source to target. + */ - 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; - } + contents = Tcl_FSLink(objv[index], objv[index+1], linkAction); + if (contents == NULL) { /* - * 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. + * We handle three common error cases specially, and for all + * other errors, we use the standard posix error message. */ - if (GetStatBuf(interp, objv[2], Tcl_FSStat, &buf) != TCL_OK) { - return TCL_ERROR; + + if (errno == EEXIST) { + Tcl_AppendResult(interp, "could not create new link \"", + TclGetString(objv[index]), + "\": that path already exists", NULL); + } else if (errno == ENOENT) { + /* + * There are two cases here: either the target doesn't + * exist, or the directory of the src doesn't exist. + */ + + int access; + Tcl_Obj *dirPtr = TclPathPart(interp, objv[index], + TCL_PATH_DIRNAME); + + if (dirPtr == NULL) { + return TCL_ERROR; + } + access = Tcl_FSAccess(dirPtr, F_OK); + Tcl_DecrRefCount(dirPtr); + if (access != 0) { + Tcl_AppendResult(interp, + "could not create new link \"", + TclGetString(objv[index]), + "\": no such file or directory", NULL); + } else { + Tcl_AppendResult(interp, + "could not create new link \"", + TclGetString(objv[index]), "\": target \"", + TclGetString(objv[index+1]), + "\" doesn't exist", NULL); + } + } else { + Tcl_AppendResult(interp, + "could not create new link \"", + TclGetString(objv[index]), "\" pointing to \"", + TclGetString(objv[index+1]), "\": ", + Tcl_PosixError(interp), NULL); } - } - 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) { + } else { + if (Tcl_FSConvertToPathType(interp, objv[index]) != TCL_OK) { 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; - } + /* + * Read link + */ - fileName = Tcl_FSGetNormalizedPath(interp, objv[2]); - if (fileName == NULL) { + contents = Tcl_FSLink(objv[index], NULL, 0); + if (contents == NULL) { + Tcl_AppendResult(interp, "could not read link \"", + TclGetString(objv[index]), "\": ", + Tcl_PosixError(interp), NULL); return TCL_ERROR; } - Tcl_SetObjResult(interp, 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 there are no user ids - * associated with a file, so we always return 1. - */ + 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. + */ -#if defined(__WIN32__) || defined(__CYGWIN__) - value = 1; -#else - value = (geteuid() == buf.st_uid); -#endif - } - Tcl_SetBooleanObj(Tcl_GetObjResult(interp), value); - return TCL_OK; + Tcl_DecrRefCount(contents); } - 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; + return TCL_OK; + } + case FCMD_LSTAT: + if (objc != 4) { + Tcl_WrongNumArgs(interp, 2, objv, "name varName"); + return TCL_ERROR; } - case FCMD_READABLE: { - if (objc != 3) { - goto only3Args; - } - return CheckAccess(interp, objv[2], R_OK); + if (GetStatBuf(interp, objv[2], Tcl_FSLstat, &buf) != TCL_OK) { + return TCL_ERROR; } - 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); + return StoreStatData(interp, objv[3], &buf); + case FCMD_STAT: + if (objc != 4) { + Tcl_WrongNumArgs(interp, 2, objv, "name varName"); + return TCL_ERROR; + } + if (GetStatBuf(interp, objv[2], Tcl_FSStat, &buf) != TCL_OK) { + return TCL_ERROR; + } + return StoreStatData(interp, objv[3], &buf); + case FCMD_SIZE: + if (objc != 3) { + goto only3Args; + } + if (GetStatBuf(interp, objv[2], Tcl_FSStat, &buf) != TCL_OK) { + return TCL_ERROR; + } + Tcl_SetObjResult(interp, + Tcl_NewWideIntObj((Tcl_WideInt) buf.st_size)); + return TCL_OK; + case FCMD_TYPE: + if (objc != 3) { + goto only3Args; + } + if (GetStatBuf(interp, objv[2], Tcl_FSLstat, &buf) != TCL_OK) { + return TCL_ERROR; + } + Tcl_SetObjResult(interp, Tcl_NewStringObj( + GetTypeFromMode((unsigned short) buf.st_mode), -1)); + return TCL_OK; + case FCMD_MKDIR: + 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 (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; + if (objc != 3) { + goto only3Args; } - case FCMD_RENAME: { - return TclFileRenameCmd(interp, objc, objv); + fileName = TclGetString(objv[2]); + fileName = Tcl_TranslateFileName(interp, fileName, &ds); + if (fileName == NULL) { + return TCL_ERROR; } - 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; + Tcl_SetObjResult(interp, Tcl_NewStringObj(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; } - 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; - } - 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; + + fileName = Tcl_FSGetNormalizedPath(interp, objv[2]); + if (fileName == NULL) { + return TCL_ERROR; } - 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; + Tcl_SetObjResult(interp, fileName); + return TCL_OK; + } + case FCMD_PATHTYPE: { + Tcl_Obj *typeName; + + if (objc != 3) { + goto only3Args; } - case FCMD_SPLIT: { - if (objc != 3) { - goto only3Args; - } - Tcl_SetObjResult(interp, Tcl_FSSplitPath(objv[2], NULL)); + + switch (Tcl_FSGetPathType(objv[2])) { + case TCL_PATH_ABSOLUTE: + TclNewLiteralStringObj(typeName, "absolute"); + break; + case TCL_PATH_RELATIVE: + TclNewLiteralStringObj(typeName, "relative"); + break; + case TCL_PATH_VOLUME_RELATIVE: + TclNewLiteralStringObj(typeName, "volumerelative"); + break; + default: return TCL_OK; } - 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); + Tcl_SetObjResult(interp, typeName); + return TCL_OK; + } + case FCMD_READABLE: + if (objc != 3) { + goto only3Args; } - 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; - } + return CheckAccess(interp, objv[2], R_OK); + case FCMD_READLINK: { + Tcl_Obj *contents; + + if (objc != 3) { + goto only3Args; } - 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); - } + if (Tcl_FSConvertToPathType(interp, objv[2]) != TCL_OK) { + return TCL_ERROR; + } - /* - * Return the last component, unless it is the only component, - * and it is the root of an absolute path. - */ + contents = Tcl_FSLink(objv[2], NULL, 0); - 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); + if (contents == NULL) { + Tcl_AppendResult(interp, "could not readlink \"", + TclGetString(objv[2]), "\": ", Tcl_PosixError(interp), + NULL); + return TCL_ERROR; + } + Tcl_SetObjResult(interp, contents); + Tcl_DecrRefCount(contents); + return TCL_OK; + } + case FCMD_RENAME: + return TclFileRenameCmd(interp, objc, objv); + case FCMD_ROOTNAME: { + Tcl_Obj *root; + + if (objc != 3) { + goto only3Args; + } + root = TclPathPart(interp, objv[2], TCL_PATH_ROOT); + if (root != NULL) { + Tcl_SetObjResult(interp, root); + Tcl_DecrRefCount(root); return TCL_OK; + } else { + return TCL_ERROR; + } + } + case FCMD_SEPARATOR: + if ((objc < 2) || (objc > 3)) { + Tcl_WrongNumArgs(interp, 2, objv, "?name?"); + return TCL_ERROR; } - case FCMD_TYPE: { - Tcl_StatBuf buf; + if (objc == 2) { + char *separator = NULL; /* lint */ - if (objc != 3) { - goto only3Args; + switch (tclPlatform) { + case TCL_PLATFORM_UNIX: + separator = "/"; + break; + case TCL_PLATFORM_WINDOWS: + separator = "\\"; + break; } - if (GetStatBuf(interp, objv[2], Tcl_FSLstat, &buf) != TCL_OK) { + Tcl_SetObjResult(interp, Tcl_NewStringObj(separator, 1)); + } else { + Tcl_Obj *separatorObj = Tcl_FSPathSeparator(objv[2]); + + if (separatorObj == NULL) { + Tcl_SetResult(interp, "Unrecognised path", TCL_STATIC); return TCL_ERROR; } - Tcl_SetStringObj(Tcl_GetObjResult(interp), - GetTypeFromMode((unsigned short) buf.st_mode), -1); - return TCL_OK; + Tcl_SetObjResult(interp, separatorObj); } - case FCMD_VOLUMES: { - if (objc != 2) { - Tcl_WrongNumArgs(interp, 2, objv, NULL); - return TCL_ERROR; - } - Tcl_SetObjResult(interp, Tcl_FSListVolumes()); - return TCL_OK; + return TCL_OK; + case FCMD_SPLIT: { + Tcl_Obj *res; + + if (objc != 3) { + goto only3Args; } - case FCMD_WRITABLE: { - if (objc != 3) { - goto only3Args; + res = Tcl_FSSplitPath(objv[2], NULL); + if (res == NULL) { + /* How can the interp be NULL here?! DKF */ + if (interp != NULL) { + Tcl_AppendResult(interp, "could not read \"", + TclGetString(objv[2]), + "\": no such file or directory", NULL); } - return CheckAccess(interp, objv[2], W_OK); + return TCL_ERROR; } + Tcl_SetObjResult(interp, res); + return TCL_OK; } + case FCMD_SYSTEM: { + Tcl_Obj *fsInfo; - only3Args: + if (objc != 3) { + goto only3Args; + } + fsInfo = Tcl_FSFileSystemInfo(objv[2]); + if (fsInfo == NULL) { + Tcl_SetResult(interp, "Unrecognised path", TCL_STATIC); + return TCL_ERROR; + } + Tcl_SetObjResult(interp, fsInfo); + return TCL_OK; + } + case FCMD_TAIL: { + Tcl_Obj *dirPtr; + + if (objc != 3) { + goto only3Args; + } + dirPtr = TclPathPart(interp, objv[2], TCL_PATH_TAIL); + if (dirPtr == NULL) { + return TCL_ERROR; + } + Tcl_SetObjResult(interp, dirPtr); + Tcl_DecrRefCount(dirPtr); + 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; } @@ -1405,35 +1382,35 @@ Tcl_FileObjCmd(dummy, interp, objc, objv) * * CheckAccess -- * - * Utility procedure used by Tcl_FileObjCmd() to query file - * attributes available through the access() system call. + * 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. + * 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 +CheckAccess( + 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 + Tcl_Obj *pathPtr, /* Name of file to check. */ + int mode) /* Attribute to check; passed as argument to * access(). */ { int value; - - if (Tcl_FSConvertToPathType(interp, objPtr) != TCL_OK) { + + if (Tcl_FSConvertToPathType(interp, pathPtr) != TCL_OK) { value = 0; } else { - value = (Tcl_FSAccess(objPtr, mode) == 0); + value = (Tcl_FSAccess(pathPtr, mode) == 0); } - Tcl_SetBooleanObj(Tcl_GetObjResult(interp), value); + Tcl_SetObjResult(interp, Tcl_NewBooleanObj(value)); return TCL_OK; } @@ -1443,14 +1420,14 @@ CheckAccess(interp, objPtr, mode) * * GetStatBuf -- * - * Utility procedure used by Tcl_FileObjCmd() to query file - * attributes available through the stat() or lstat() system call. + * 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. + * 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. @@ -1459,27 +1436,27 @@ CheckAccess(interp, objPtr, mode) */ 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 +GetStatBuf( + Tcl_Interp *interp, /* Interp for error return. May be NULL. */ + Tcl_Obj *pathPtr, /* 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 + Tcl_StatBuf *statPtr) /* Filled with info about file obtained by * calling (*statProc)(). */ { int status; - - if (Tcl_FSConvertToPathType(interp, objPtr) != TCL_OK) { + + if (Tcl_FSConvertToPathType(interp, pathPtr) != TCL_OK) { return TCL_ERROR; } - status = (*statProc)(objPtr, statPtr); - + status = (*statProc)(pathPtr, statPtr); + if (status < 0) { if (interp != NULL) { Tcl_AppendResult(interp, "could not read \"", - Tcl_GetString(objPtr), "\": ", - Tcl_PosixError(interp), (char *) NULL); + TclGetString(pathPtr), "\": ", + Tcl_PosixError(interp), NULL); } return TCL_ERROR; } @@ -1491,13 +1468,13 @@ GetStatBuf(interp, objPtr, statProc, statPtr) * * 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. + * 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. + * 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. @@ -1506,56 +1483,59 @@ GetStatBuf(interp, objPtr, statProc, statPtr) */ 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. */ +StoreStatData( + Tcl_Interp *interp, /* Interpreter for error reports. */ + Tcl_Obj *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; + Tcl_Obj *field, *value; register unsigned short mode; /* * Assume Tcl_ObjSetVar2() does not keep a copy of the field name! + * + * Might be a better idea to call Tcl_SetVar2Ex() instead, except we want + * to have an object (i.e. possibly cached) array variable name but a + * string element name, so no API exists. Messy. */ + #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)); + TclNewLiteralStringObj(field, fieldName); \ + Tcl_IncrRefCount(field); \ + value = (object); \ + if (Tcl_ObjSetVar2(interp,varName,field,value,TCL_LEAVE_ERR_MSG)==NULL) { \ + TclDecrRefCount(field); \ + return TCL_ERROR; \ + } \ + TclDecrRefCount(field); + /* - * 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... + * 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)); + + STORE_ARY("dev", Tcl_NewLongObj((long)statPtr->st_dev)); + 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_STRUCT_STAT_ST_BLOCKS + STORE_ARY("blocks", Tcl_NewWideIntObj((Tcl_WideInt)statPtr->st_blocks)); +#endif +#ifdef HAVE_STRUCT_STAT_ST_BLKSIZE + STORE_ARY("blksize", Tcl_NewLongObj((long)statPtr->st_blksize)); #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)); + 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)); + 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; } @@ -1564,8 +1544,7 @@ StoreStatData(interp, varName, statPtr) * * GetTypeFromMode -- * - * Given a mode word, returns a string identifying the type of a - * file. + * Given a mode word, returns a string identifying the type of a file. * * Results: * A static text string giving the file type from mode. @@ -1577,8 +1556,8 @@ StoreStatData(interp, varName, statPtr) */ static char * -GetTypeFromMode(mode) - int mode; +GetTypeFromMode( + int mode) { if (S_ISREG(mode)) { return "file"; @@ -1607,103 +1586,98 @@ GetTypeFromMode(mode) * * Tcl_ForObjCmd -- * - * This procedure is invoked to process the "for" Tcl command. - * See the user documentation for details on what it does. + * 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., + * 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. + * A standard Tcl result. * * Side effects: - * See the user documentation. + * See the user documentation. * *---------------------------------------------------------------------- */ - /* ARGSUSED */ + /* 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. */ +Tcl_ForObjCmd( + 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 + Interp *iPtr = (Interp *) interp; if (objc != 5) { - Tcl_WrongNumArgs(interp, 1, objv, "start test next command"); - return TCL_ERROR; + 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 + /* + * TIP #280. Make invoking context available to initial script. + */ + + result = TclEvalObjEx(interp, objv[1], 0, iPtr->cmdFramePtr, 1); if (result != TCL_OK) { - if (result == TCL_ERROR) { - Tcl_AddErrorInfo(interp, "\n (\"for\" initial command)"); - } - return result; + 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 + * 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 + result = Tcl_ExprBooleanObj(interp, objv[2], &value); + if (result != TCL_OK) { + return result; + } + if (!value) { + break; + } + + /* + * TIP #280. Make invoking context available to loop body. + */ + + result = TclEvalObjEx(interp, objv[4], 0, iPtr->cmdFramePtr, 4); + if ((result != TCL_OK) && (result != TCL_CONTINUE)) { + if (result == TCL_ERROR) { + Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf( + "\n (\"for\" body line %d)", interp->errorLine)); + } + break; + } + + /* + * TIP #280. Make invoking context available to next script. + */ + + result = TclEvalObjEx(interp, objv[3], 0, iPtr->cmdFramePtr, 3); if (result == TCL_BREAK) { - break; - } else if (result != TCL_OK) { - if (result == TCL_ERROR) { - Tcl_AddErrorInfo(interp, "\n (\"for\" loop-end command)"); - } - return result; - } + 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; + result = TCL_OK; } if (result == TCL_OK) { - Tcl_ResetResult(interp); + Tcl_ResetResult(interp); } return result; } @@ -1714,7 +1688,7 @@ Tcl_ForObjCmd(dummy, interp, objc, objv) * Tcl_ForeachObjCmd -- * * This object-based procedure is invoked to process the "foreach" Tcl - * command. See the user documentation for details on what it does. + * command. See the user documentation for details on what it does. * * Results: * A standard Tcl object result. @@ -1727,45 +1701,27 @@ Tcl_ForObjCmd(dummy, interp, objc, objv) /* 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. */ +Tcl_ForeachObjCmd( + 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 */ + int numLists = (objc-2)/2; /* Count of value lists */ Tcl_Obj *bodyPtr; + Interp *iPtr = (Interp *) interp; - /* - * 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 + int *index; /* Array of value list indices */ + int *varcList; /* # loop variables per list */ + Tcl_Obj ***varvList; /* Array of var name lists */ + Tcl_Obj **vCopyList; /* Copies of var name list arguments */ + int *argcList; /* Array of value list sizes */ + Tcl_Obj ***argvList; /* Array of value lists */ + Tcl_Obj **aCopyList; /* Copies of value list arguments */ if (objc < 4 || (objc%2 != 0)) { Tcl_WrongNumArgs(interp, 1, objv, @@ -1774,65 +1730,54 @@ Tcl_ForeachObjCmd(dummy, interp, objc, objv) } /* - * Create the object argument array "argObjv". Make sure argObjv is - * large enough to hold the objc arguments. + * Manage numList parallel value lists. + * argvList[i] is a value list counted by argcList[i]l; + * 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]. */ - if (objc > NUM_ARGS) { - argObjv = (Tcl_Obj **) ckalloc(objc * sizeof(Tcl_Obj *)); - } - for (i = 0; i < objc; i++) { - argObjv[i] = objv[i]; - } + index = (int *) TclStackAlloc(interp, 3 * numLists * sizeof(int)); + varcList = index + numLists; + argcList = varcList + numLists; + memset(index, 0, 3 * numLists * sizeof(int)); - /* - * 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] - */ + varvList = (Tcl_Obj ***) + TclStackAlloc(interp, 2 * numLists * sizeof(Tcl_Obj **)); + argvList = varvList + numLists; + memset(varvList, 0, 2 * numLists * sizeof(Tcl_Obj **)); - 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; - } + vCopyList = (Tcl_Obj **) + TclStackAlloc(interp, 2 * numLists * sizeof(Tcl_Obj *)); + aCopyList = vCopyList + numLists; + memset(vCopyList, 0, 2 * numLists * sizeof(Tcl_Obj *)); /* - * Break up the value lists and variable lists into elements + * 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) { + for (i=0 ; i<numLists ; i++) { + + vCopyList[i] = TclListObjCopy(interp, objv[1+i*2]); + if (vCopyList[i] == NULL) { + result = TCL_ERROR; goto done; } + TclListObjGetElements(NULL, vCopyList[i], &varcList[i], &varvList[i]); if (varcList[i] < 1) { - Tcl_AppendToObj(Tcl_GetObjResult(interp), - "foreach varlist is empty", -1); + Tcl_AppendResult(interp, "foreach varlist is empty", NULL); result = TCL_ERROR; goto done; } - - result = Tcl_ListObjGetElements(interp, argObjv[2+i*2], - &argcList[i], &argvList[i]); - if (result != TCL_OK) { + + aCopyList[i] = TclListObjCopy(interp, objv[2+i*2]); + if (aCopyList[i] == NULL) { + result = TCL_ERROR; goto done; } - + TclListObjGetElements(NULL, aCopyList[i], &argcList[i], &argvList[i]); + j = argcList[i] / varcList[i]; if ((argcList[i] % varcList[i]) != 0) { j++; @@ -1843,64 +1788,39 @@ Tcl_ForeachObjCmd(dummy, interp, objc, objv) } /* - * Iterate maxj times through the lists in parallel - * If some value lists run out of values, set loop vars to "" + * 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 object\n", 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 object\n", i); - } - - for (v = 0; v < varcList[i]; v++) { + bodyPtr = objv[objc-1]; + for (j=0 ; j<maxj ; j++) { + for (i=0 ; i<numLists ; 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 */ + valuePtr = Tcl_NewObj(); /* Empty string */ } - Tcl_IncrRefCount(valuePtr); - varValuePtr = Tcl_ObjSetVar2(interp, varvList[i][v], - NULL, valuePtr, 0); - Tcl_DecrRefCount(valuePtr); + varValuePtr = Tcl_ObjSetVar2(interp, varvList[i][v], NULL, + valuePtr, TCL_LEAVE_ERR_MSG); if (varValuePtr == NULL) { - Tcl_ResetResult(interp); - Tcl_AppendStringsToObj(Tcl_GetObjResult(interp), - "couldn't set loop variable: \"", - Tcl_GetString(varvList[i][v]), "\"", (char *) NULL); + Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf( + "\n (setting foreach loop variable \"%s\")", + TclGetString(varvList[i][v]))); 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 + /* + * TIP #280. Make invoking context available to loop body. + */ + + result = TclEvalObjEx(interp, bodyPtr, 0, iPtr->cmdFramePtr, objc-1); if (result != TCL_OK) { if (result == TCL_CONTINUE) { result = TCL_OK; @@ -1908,11 +1828,9 @@ Tcl_ForeachObjCmd(dummy, interp, objc, objv) 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); + Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf( + "\n (\"foreach\" body line %d)", + interp->errorLine)); break; } else { break; @@ -1923,20 +1841,19 @@ Tcl_ForeachObjCmd(dummy, interp, objc, objv) 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); + done: + for (i=0 ; i<numLists ; i++) { + if (vCopyList[i]) { + Tcl_DecrRefCount(vCopyList[i]); + } + if (aCopyList[i]) { + Tcl_DecrRefCount(aCopyList[i]); + } } + TclStackFree(interp, vCopyList); /* Tcl_Obj * arrays */ + TclStackFree(interp, varvList); /* Tcl_Obj ** arrays */ + TclStackFree(interp, index); /* int arrays */ return result; -#undef STATIC_LIST_SIZE -#undef NUM_ARGS } /* @@ -1944,8 +1861,8 @@ Tcl_ForeachObjCmd(dummy, interp, objc, objv) * * Tcl_FormatObjCmd -- * - * This procedure is invoked to process the "format" Tcl command. - * See the user documentation for details on what it does. + * 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. @@ -1958,493 +1875,25 @@ Tcl_ForeachObjCmd(dummy, interp, objc, objv) /* 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. */ +Tcl_FormatObjCmd( + 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. - */ + Tcl_Obj *resultPtr; /* Where result is stored finally. */ 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 = '\0'; - 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 = '\0'; - break; - } - default: - sprintf(dst, newFormat, ptrValue); - break; - } - Tcl_AppendToObj(resultPtr, dst, -1); - } + resultPtr = Tcl_Format(interp, TclGetString(objv[1]), objc-2, objv+2); + if (resultPtr == NULL) { + return TCL_ERROR; } - 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; } /* @@ -2454,4 +1903,3 @@ Tcl_FormatObjCmd(dummy, interp, objc, objv) * fill-column: 78 * End: */ - |