1 |
/* $Header: /cvsroot/esrg/sfesrg/esrgpcpj/shared/tcl_base/tclcmdah.c,v 1.1.1.1 2001/06/13 04:34:24 dtashley Exp $ */
|
2 |
|
3 |
/*
|
4 |
* tclCmdAH.c --
|
5 |
*
|
6 |
* This file contains the top-level command routines for most of
|
7 |
* the Tcl built-in commands whose names begin with the letters
|
8 |
* A to H.
|
9 |
*
|
10 |
* Copyright (c) 1987-1993 The Regents of the University of California.
|
11 |
* Copyright (c) 1994-1997 Sun Microsystems, Inc.
|
12 |
*
|
13 |
* See the file "license.terms" for information on usage and redistribution
|
14 |
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
15 |
*
|
16 |
* RCS: @(#) $Id: tclcmdah.c,v 1.1.1.1 2001/06/13 04:34:24 dtashley Exp $
|
17 |
*/
|
18 |
|
19 |
#include "tclInt.h"
|
20 |
#include "tclPort.h"
|
21 |
#include <locale.h>
|
22 |
|
23 |
typedef int (StatProc)_ANSI_ARGS_((CONST char *path, struct stat *buf));
|
24 |
|
25 |
/*
|
26 |
* Prototypes for local procedures defined in this file:
|
27 |
*/
|
28 |
|
29 |
static int CheckAccess _ANSI_ARGS_((Tcl_Interp *interp,
|
30 |
Tcl_Obj *objPtr, int mode));
|
31 |
static int GetStatBuf _ANSI_ARGS_((Tcl_Interp *interp,
|
32 |
Tcl_Obj *objPtr, StatProc *statProc,
|
33 |
struct stat *statPtr));
|
34 |
static char * GetTypeFromMode _ANSI_ARGS_((int mode));
|
35 |
static int SplitPath _ANSI_ARGS_((Tcl_Interp *interp,
|
36 |
Tcl_Obj *objPtr, int *argcPtr, char ***argvPtr));
|
37 |
static int StoreStatData _ANSI_ARGS_((Tcl_Interp *interp,
|
38 |
char *varName, struct stat *statPtr));
|
39 |
static char ** StringifyObjects _ANSI_ARGS_((int objc,
|
40 |
Tcl_Obj *CONST objv[]));
|
41 |
|
42 |
/*
|
43 |
*----------------------------------------------------------------------
|
44 |
*
|
45 |
* Tcl_BreakObjCmd --
|
46 |
*
|
47 |
* This procedure is invoked to process the "break" Tcl command.
|
48 |
* See the user documentation for details on what it does.
|
49 |
*
|
50 |
* With the bytecode compiler, this procedure is only called when
|
51 |
* a command name is computed at runtime, and is "break" or the name
|
52 |
* to which "break" was renamed: e.g., "set z break; $z"
|
53 |
*
|
54 |
* Results:
|
55 |
* A standard Tcl result.
|
56 |
*
|
57 |
* Side effects:
|
58 |
* See the user documentation.
|
59 |
*
|
60 |
*----------------------------------------------------------------------
|
61 |
*/
|
62 |
|
63 |
/* ARGSUSED */
|
64 |
int
|
65 |
Tcl_BreakObjCmd(dummy, interp, objc, objv)
|
66 |
ClientData dummy; /* Not used. */
|
67 |
Tcl_Interp *interp; /* Current interpreter. */
|
68 |
int objc; /* Number of arguments. */
|
69 |
Tcl_Obj *CONST objv[]; /* Argument objects. */
|
70 |
{
|
71 |
if (objc != 1) {
|
72 |
Tcl_WrongNumArgs(interp, 1, objv, NULL);
|
73 |
return TCL_ERROR;
|
74 |
}
|
75 |
return TCL_BREAK;
|
76 |
}
|
77 |
|
78 |
/*
|
79 |
*----------------------------------------------------------------------
|
80 |
*
|
81 |
* Tcl_CaseObjCmd --
|
82 |
*
|
83 |
* This procedure is invoked to process the "case" Tcl command.
|
84 |
* See the user documentation for details on what it does.
|
85 |
*
|
86 |
* Results:
|
87 |
* A standard Tcl object result.
|
88 |
*
|
89 |
* Side effects:
|
90 |
* See the user documentation.
|
91 |
*
|
92 |
*----------------------------------------------------------------------
|
93 |
*/
|
94 |
|
95 |
/* ARGSUSED */
|
96 |
int
|
97 |
Tcl_CaseObjCmd(dummy, interp, objc, objv)
|
98 |
ClientData dummy; /* Not used. */
|
99 |
Tcl_Interp *interp; /* Current interpreter. */
|
100 |
int objc; /* Number of arguments. */
|
101 |
Tcl_Obj *CONST objv[]; /* Argument objects. */
|
102 |
{
|
103 |
register int i;
|
104 |
int body, result;
|
105 |
char *string, *arg;
|
106 |
int caseObjc;
|
107 |
Tcl_Obj *CONST *caseObjv;
|
108 |
Tcl_Obj *armPtr;
|
109 |
|
110 |
if (objc < 3) {
|
111 |
Tcl_WrongNumArgs(interp, 1, objv,
|
112 |
"string ?in? patList body ... ?default body?");
|
113 |
return TCL_ERROR;
|
114 |
}
|
115 |
|
116 |
string = Tcl_GetString(objv[1]);
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117 |
body = -1;
|
118 |
|
119 |
arg = Tcl_GetString(objv[2]);
|
120 |
if (strcmp(arg, "in") == 0) {
|
121 |
i = 3;
|
122 |
} else {
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123 |
i = 2;
|
124 |
}
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125 |
caseObjc = objc - i;
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126 |
caseObjv = objv + i;
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127 |
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128 |
/*
|
129 |
* If all of the pattern/command pairs are lumped into a single
|
130 |
* argument, split them out again.
|
131 |
*/
|
132 |
|
133 |
if (caseObjc == 1) {
|
134 |
Tcl_Obj **newObjv;
|
135 |
|
136 |
Tcl_ListObjGetElements(interp, caseObjv[0], &caseObjc, &newObjv);
|
137 |
caseObjv = newObjv;
|
138 |
}
|
139 |
|
140 |
for (i = 0; i < caseObjc; i += 2) {
|
141 |
int patObjc, j;
|
142 |
char **patObjv;
|
143 |
char *pat;
|
144 |
unsigned char *p;
|
145 |
|
146 |
if (i == (caseObjc - 1)) {
|
147 |
Tcl_ResetResult(interp);
|
148 |
Tcl_AppendToObj(Tcl_GetObjResult(interp),
|
149 |
"extra case pattern with no body", -1);
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150 |
return TCL_ERROR;
|
151 |
}
|
152 |
|
153 |
/*
|
154 |
* Check for special case of single pattern (no list) with
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155 |
* no backslash sequences.
|
156 |
*/
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157 |
|
158 |
pat = Tcl_GetString(caseObjv[i]);
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159 |
for (p = (unsigned char *) pat; *p != '\0'; p++) {
|
160 |
if (isspace(*p) || (*p == '\\')) { /* INTL: ISO space, UCHAR */
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161 |
break;
|
162 |
}
|
163 |
}
|
164 |
if (*p == '\0') {
|
165 |
if ((*pat == 'd') && (strcmp(pat, "default") == 0)) {
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166 |
body = i + 1;
|
167 |
}
|
168 |
if (Tcl_StringMatch(string, pat)) {
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169 |
body = i + 1;
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170 |
goto match;
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171 |
}
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172 |
continue;
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173 |
}
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174 |
|
175 |
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176 |
/*
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177 |
* Break up pattern lists, then check each of the patterns
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178 |
* in the list.
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179 |
*/
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180 |
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181 |
result = Tcl_SplitList(interp, pat, &patObjc, &patObjv);
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182 |
if (result != TCL_OK) {
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183 |
return result;
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184 |
}
|
185 |
for (j = 0; j < patObjc; j++) {
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186 |
if (Tcl_StringMatch(string, patObjv[j])) {
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187 |
body = i + 1;
|
188 |
break;
|
189 |
}
|
190 |
}
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191 |
ckfree((char *) patObjv);
|
192 |
if (j < patObjc) {
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193 |
break;
|
194 |
}
|
195 |
}
|
196 |
|
197 |
match:
|
198 |
if (body != -1) {
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199 |
armPtr = caseObjv[body - 1];
|
200 |
result = Tcl_EvalObjEx(interp, caseObjv[body], 0);
|
201 |
if (result == TCL_ERROR) {
|
202 |
char msg[100 + TCL_INTEGER_SPACE];
|
203 |
|
204 |
arg = Tcl_GetString(armPtr);
|
205 |
sprintf(msg,
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206 |
"\n (\"%.50s\" arm line %d)", arg,
|
207 |
interp->errorLine);
|
208 |
Tcl_AddObjErrorInfo(interp, msg, -1);
|
209 |
}
|
210 |
return result;
|
211 |
}
|
212 |
|
213 |
/*
|
214 |
* Nothing matched: return nothing.
|
215 |
*/
|
216 |
|
217 |
return TCL_OK;
|
218 |
}
|
219 |
|
220 |
/*
|
221 |
*----------------------------------------------------------------------
|
222 |
*
|
223 |
* Tcl_CatchObjCmd --
|
224 |
*
|
225 |
* This object-based procedure is invoked to process the "catch" Tcl
|
226 |
* command. See the user documentation for details on what it does.
|
227 |
*
|
228 |
* Results:
|
229 |
* A standard Tcl object result.
|
230 |
*
|
231 |
* Side effects:
|
232 |
* See the user documentation.
|
233 |
*
|
234 |
*----------------------------------------------------------------------
|
235 |
*/
|
236 |
|
237 |
/* ARGSUSED */
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238 |
int
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239 |
Tcl_CatchObjCmd(dummy, interp, objc, objv)
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240 |
ClientData dummy; /* Not used. */
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241 |
Tcl_Interp *interp; /* Current interpreter. */
|
242 |
int objc; /* Number of arguments. */
|
243 |
Tcl_Obj *CONST objv[]; /* Argument objects. */
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244 |
{
|
245 |
Tcl_Obj *varNamePtr = NULL;
|
246 |
int result;
|
247 |
|
248 |
if ((objc != 2) && (objc != 3)) {
|
249 |
Tcl_WrongNumArgs(interp, 1, objv, "command ?varName?");
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250 |
return TCL_ERROR;
|
251 |
}
|
252 |
|
253 |
/*
|
254 |
* Save a pointer to the variable name object, if any, in case the
|
255 |
* Tcl_EvalObj reallocates the bytecode interpreter's evaluation
|
256 |
* stack rendering objv invalid.
|
257 |
*/
|
258 |
|
259 |
if (objc == 3) {
|
260 |
varNamePtr = objv[2];
|
261 |
}
|
262 |
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263 |
result = Tcl_EvalObjEx(interp, objv[1], 0);
|
264 |
|
265 |
if (objc == 3) {
|
266 |
if (Tcl_ObjSetVar2(interp, varNamePtr, NULL,
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267 |
Tcl_GetObjResult(interp), 0) == NULL) {
|
268 |
Tcl_ResetResult(interp);
|
269 |
Tcl_AppendToObj(Tcl_GetObjResult(interp),
|
270 |
"couldn't save command result in variable", -1);
|
271 |
return TCL_ERROR;
|
272 |
}
|
273 |
}
|
274 |
|
275 |
/*
|
276 |
* Set the interpreter's object result to an integer object holding the
|
277 |
* integer Tcl_EvalObj result. Note that we don't bother generating a
|
278 |
* string representation. We reset the interpreter's object result
|
279 |
* to an unshared empty object and then set it to be an integer object.
|
280 |
*/
|
281 |
|
282 |
Tcl_ResetResult(interp);
|
283 |
Tcl_SetIntObj(Tcl_GetObjResult(interp), result);
|
284 |
return TCL_OK;
|
285 |
}
|
286 |
|
287 |
/*
|
288 |
*----------------------------------------------------------------------
|
289 |
*
|
290 |
* Tcl_CdObjCmd --
|
291 |
*
|
292 |
* This procedure is invoked to process the "cd" Tcl command.
|
293 |
* See the user documentation for details on what it does.
|
294 |
*
|
295 |
* Results:
|
296 |
* A standard Tcl result.
|
297 |
*
|
298 |
* Side effects:
|
299 |
* See the user documentation.
|
300 |
*
|
301 |
*----------------------------------------------------------------------
|
302 |
*/
|
303 |
|
304 |
/* ARGSUSED */
|
305 |
int
|
306 |
Tcl_CdObjCmd(dummy, interp, objc, objv)
|
307 |
ClientData dummy; /* Not used. */
|
308 |
Tcl_Interp *interp; /* Current interpreter. */
|
309 |
int objc; /* Number of arguments. */
|
310 |
Tcl_Obj *CONST objv[]; /* Argument objects. */
|
311 |
{
|
312 |
char *dirName;
|
313 |
Tcl_DString ds;
|
314 |
int result;
|
315 |
|
316 |
if (objc > 2) {
|
317 |
Tcl_WrongNumArgs(interp, 1, objv, "?dirName?");
|
318 |
return TCL_ERROR;
|
319 |
}
|
320 |
|
321 |
if (objc == 2) {
|
322 |
dirName = Tcl_GetString(objv[1]);
|
323 |
} else {
|
324 |
dirName = "~";
|
325 |
}
|
326 |
if (Tcl_TranslateFileName(interp, dirName, &ds) == NULL) {
|
327 |
return TCL_ERROR;
|
328 |
}
|
329 |
|
330 |
result = Tcl_Chdir(Tcl_DStringValue(&ds));
|
331 |
Tcl_DStringFree(&ds);
|
332 |
|
333 |
if (result != 0) {
|
334 |
Tcl_AppendResult(interp, "couldn't change working directory to \"",
|
335 |
dirName, "\": ", Tcl_PosixError(interp), (char *) NULL);
|
336 |
return TCL_ERROR;
|
337 |
}
|
338 |
return TCL_OK;
|
339 |
}
|
340 |
|
341 |
/*
|
342 |
*----------------------------------------------------------------------
|
343 |
*
|
344 |
* Tcl_ConcatObjCmd --
|
345 |
*
|
346 |
* This object-based procedure is invoked to process the "concat" Tcl
|
347 |
* command. See the user documentation for details on what it does.
|
348 |
*
|
349 |
* Results:
|
350 |
* A standard Tcl object result.
|
351 |
*
|
352 |
* Side effects:
|
353 |
* See the user documentation.
|
354 |
*
|
355 |
*----------------------------------------------------------------------
|
356 |
*/
|
357 |
|
358 |
/* ARGSUSED */
|
359 |
int
|
360 |
Tcl_ConcatObjCmd(dummy, interp, objc, objv)
|
361 |
ClientData dummy; /* Not used. */
|
362 |
Tcl_Interp *interp; /* Current interpreter. */
|
363 |
int objc; /* Number of arguments. */
|
364 |
Tcl_Obj *CONST objv[]; /* Argument objects. */
|
365 |
{
|
366 |
if (objc >= 2) {
|
367 |
Tcl_SetObjResult(interp, Tcl_ConcatObj(objc-1, objv+1));
|
368 |
}
|
369 |
return TCL_OK;
|
370 |
}
|
371 |
|
372 |
/*
|
373 |
*----------------------------------------------------------------------
|
374 |
*
|
375 |
* Tcl_ContinueObjCmd -
|
376 |
*
|
377 |
* This procedure is invoked to process the "continue" Tcl command.
|
378 |
* See the user documentation for details on what it does.
|
379 |
*
|
380 |
* With the bytecode compiler, this procedure is only called when
|
381 |
* a command name is computed at runtime, and is "continue" or the name
|
382 |
* to which "continue" was renamed: e.g., "set z continue; $z"
|
383 |
*
|
384 |
* Results:
|
385 |
* A standard Tcl result.
|
386 |
*
|
387 |
* Side effects:
|
388 |
* See the user documentation.
|
389 |
*
|
390 |
*----------------------------------------------------------------------
|
391 |
*/
|
392 |
|
393 |
/* ARGSUSED */
|
394 |
int
|
395 |
Tcl_ContinueObjCmd(dummy, interp, objc, objv)
|
396 |
ClientData dummy; /* Not used. */
|
397 |
Tcl_Interp *interp; /* Current interpreter. */
|
398 |
int objc; /* Number of arguments. */
|
399 |
Tcl_Obj *CONST objv[]; /* Argument objects. */
|
400 |
{
|
401 |
if (objc != 1) {
|
402 |
Tcl_WrongNumArgs(interp, 1, objv, NULL);
|
403 |
return TCL_ERROR;
|
404 |
}
|
405 |
return TCL_CONTINUE;
|
406 |
}
|
407 |
|
408 |
/*
|
409 |
*----------------------------------------------------------------------
|
410 |
*
|
411 |
* Tcl_EncodingObjCmd --
|
412 |
*
|
413 |
* This command manipulates encodings.
|
414 |
*
|
415 |
* Results:
|
416 |
* A standard Tcl result.
|
417 |
*
|
418 |
* Side effects:
|
419 |
* See the user documentation.
|
420 |
*
|
421 |
*----------------------------------------------------------------------
|
422 |
*/
|
423 |
|
424 |
int
|
425 |
Tcl_EncodingObjCmd(dummy, interp, objc, objv)
|
426 |
ClientData dummy; /* Not used. */
|
427 |
Tcl_Interp *interp; /* Current interpreter. */
|
428 |
int objc; /* Number of arguments. */
|
429 |
Tcl_Obj *CONST objv[]; /* Argument objects. */
|
430 |
{
|
431 |
int index, length;
|
432 |
Tcl_Encoding encoding;
|
433 |
char *string;
|
434 |
Tcl_DString ds;
|
435 |
Tcl_Obj *resultPtr;
|
436 |
|
437 |
static char *optionStrings[] = {
|
438 |
"convertfrom", "convertto", "names", "system",
|
439 |
NULL
|
440 |
};
|
441 |
enum options {
|
442 |
ENC_CONVERTFROM, ENC_CONVERTTO, ENC_NAMES, ENC_SYSTEM
|
443 |
};
|
444 |
|
445 |
if (objc < 2) {
|
446 |
Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?");
|
447 |
return TCL_ERROR;
|
448 |
}
|
449 |
if (Tcl_GetIndexFromObj(interp, objv[1], optionStrings, "option", 0,
|
450 |
&index) != TCL_OK) {
|
451 |
return TCL_ERROR;
|
452 |
}
|
453 |
|
454 |
switch ((enum options) index) {
|
455 |
case ENC_CONVERTTO:
|
456 |
case ENC_CONVERTFROM: {
|
457 |
char *name;
|
458 |
Tcl_Obj *data;
|
459 |
if (objc == 3) {
|
460 |
name = NULL;
|
461 |
data = objv[2];
|
462 |
} else if (objc == 4) {
|
463 |
name = Tcl_GetString(objv[2]);
|
464 |
data = objv[3];
|
465 |
} else {
|
466 |
Tcl_WrongNumArgs(interp, 2, objv, "?encoding? data");
|
467 |
return TCL_ERROR;
|
468 |
}
|
469 |
|
470 |
encoding = Tcl_GetEncoding(interp, name);
|
471 |
if (!encoding) {
|
472 |
return TCL_ERROR;
|
473 |
}
|
474 |
|
475 |
if ((enum options) index == ENC_CONVERTFROM) {
|
476 |
/*
|
477 |
* Treat the string as binary data.
|
478 |
*/
|
479 |
|
480 |
string = (char *) Tcl_GetByteArrayFromObj(data, &length);
|
481 |
Tcl_ExternalToUtfDString(encoding, string, length, &ds);
|
482 |
|
483 |
/*
|
484 |
* Note that we cannot use Tcl_DStringResult here because
|
485 |
* it will truncate the string at the first null byte.
|
486 |
*/
|
487 |
|
488 |
Tcl_SetStringObj(Tcl_GetObjResult(interp),
|
489 |
Tcl_DStringValue(&ds), Tcl_DStringLength(&ds));
|
490 |
Tcl_DStringFree(&ds);
|
491 |
} else {
|
492 |
/*
|
493 |
* Store the result as binary data.
|
494 |
*/
|
495 |
|
496 |
string = Tcl_GetStringFromObj(data, &length);
|
497 |
Tcl_UtfToExternalDString(encoding, string, length, &ds);
|
498 |
resultPtr = Tcl_GetObjResult(interp);
|
499 |
Tcl_SetByteArrayObj(resultPtr,
|
500 |
(unsigned char *) Tcl_DStringValue(&ds),
|
501 |
Tcl_DStringLength(&ds));
|
502 |
Tcl_DStringFree(&ds);
|
503 |
}
|
504 |
|
505 |
Tcl_FreeEncoding(encoding);
|
506 |
break;
|
507 |
}
|
508 |
case ENC_NAMES: {
|
509 |
if (objc > 2) {
|
510 |
Tcl_WrongNumArgs(interp, 2, objv, NULL);
|
511 |
return TCL_ERROR;
|
512 |
}
|
513 |
Tcl_GetEncodingNames(interp);
|
514 |
break;
|
515 |
}
|
516 |
case ENC_SYSTEM: {
|
517 |
if (objc > 3) {
|
518 |
Tcl_WrongNumArgs(interp, 2, objv, "?encoding?");
|
519 |
return TCL_ERROR;
|
520 |
}
|
521 |
if (objc == 2) {
|
522 |
Tcl_SetResult(interp, Tcl_GetEncodingName(NULL), TCL_STATIC);
|
523 |
} else {
|
524 |
return Tcl_SetSystemEncoding(interp,
|
525 |
Tcl_GetStringFromObj(objv[2], NULL));
|
526 |
}
|
527 |
break;
|
528 |
}
|
529 |
}
|
530 |
return TCL_OK;
|
531 |
}
|
532 |
|
533 |
/*
|
534 |
*----------------------------------------------------------------------
|
535 |
*
|
536 |
* Tcl_ErrorObjCmd --
|
537 |
*
|
538 |
* This procedure is invoked to process the "error" Tcl command.
|
539 |
* See the user documentation for details on what it does.
|
540 |
*
|
541 |
* Results:
|
542 |
* A standard Tcl object result.
|
543 |
*
|
544 |
* Side effects:
|
545 |
* See the user documentation.
|
546 |
*
|
547 |
*----------------------------------------------------------------------
|
548 |
*/
|
549 |
|
550 |
/* ARGSUSED */
|
551 |
int
|
552 |
Tcl_ErrorObjCmd(dummy, interp, objc, objv)
|
553 |
ClientData dummy; /* Not used. */
|
554 |
Tcl_Interp *interp; /* Current interpreter. */
|
555 |
int objc; /* Number of arguments. */
|
556 |
Tcl_Obj *CONST objv[]; /* Argument objects. */
|
557 |
{
|
558 |
Interp *iPtr = (Interp *) interp;
|
559 |
char *info;
|
560 |
int infoLen;
|
561 |
|
562 |
if ((objc < 2) || (objc > 4)) {
|
563 |
Tcl_WrongNumArgs(interp, 1, objv, "message ?errorInfo? ?errorCode?");
|
564 |
return TCL_ERROR;
|
565 |
}
|
566 |
|
567 |
if (objc >= 3) { /* process the optional info argument */
|
568 |
info = Tcl_GetStringFromObj(objv[2], &infoLen);
|
569 |
if (*info != 0) {
|
570 |
Tcl_AddObjErrorInfo(interp, info, infoLen);
|
571 |
iPtr->flags |= ERR_ALREADY_LOGGED;
|
572 |
}
|
573 |
}
|
574 |
|
575 |
if (objc == 4) {
|
576 |
Tcl_SetVar2Ex(interp, "errorCode", NULL, objv[3], TCL_GLOBAL_ONLY);
|
577 |
iPtr->flags |= ERROR_CODE_SET;
|
578 |
}
|
579 |
|
580 |
Tcl_SetObjResult(interp, objv[1]);
|
581 |
return TCL_ERROR;
|
582 |
}
|
583 |
|
584 |
/*
|
585 |
*----------------------------------------------------------------------
|
586 |
*
|
587 |
* Tcl_EvalObjCmd --
|
588 |
*
|
589 |
* This object-based procedure is invoked to process the "eval" Tcl
|
590 |
* command. See the user documentation for details on what it does.
|
591 |
*
|
592 |
* Results:
|
593 |
* A standard Tcl object result.
|
594 |
*
|
595 |
* Side effects:
|
596 |
* See the user documentation.
|
597 |
*
|
598 |
*----------------------------------------------------------------------
|
599 |
*/
|
600 |
|
601 |
/* ARGSUSED */
|
602 |
int
|
603 |
Tcl_EvalObjCmd(dummy, interp, objc, objv)
|
604 |
ClientData dummy; /* Not used. */
|
605 |
Tcl_Interp *interp; /* Current interpreter. */
|
606 |
int objc; /* Number of arguments. */
|
607 |
Tcl_Obj *CONST objv[]; /* Argument objects. */
|
608 |
{
|
609 |
int result;
|
610 |
register Tcl_Obj *objPtr;
|
611 |
|
612 |
if (objc < 2) {
|
613 |
Tcl_WrongNumArgs(interp, 1, objv, "arg ?arg ...?");
|
614 |
return TCL_ERROR;
|
615 |
}
|
616 |
|
617 |
if (objc == 2) {
|
618 |
result = Tcl_EvalObjEx(interp, objv[1], TCL_EVAL_DIRECT);
|
619 |
} else {
|
620 |
/*
|
621 |
* More than one argument: concatenate them together with spaces
|
622 |
* between, then evaluate the result. Tcl_EvalObjEx will delete
|
623 |
* the object when it decrements its refcount after eval'ing it.
|
624 |
*/
|
625 |
objPtr = Tcl_ConcatObj(objc-1, objv+1);
|
626 |
result = Tcl_EvalObjEx(interp, objPtr, TCL_EVAL_DIRECT);
|
627 |
}
|
628 |
if (result == TCL_ERROR) {
|
629 |
char msg[32 + TCL_INTEGER_SPACE];
|
630 |
|
631 |
sprintf(msg, "\n (\"eval\" body line %d)", interp->errorLine);
|
632 |
Tcl_AddObjErrorInfo(interp, msg, -1);
|
633 |
}
|
634 |
return result;
|
635 |
}
|
636 |
|
637 |
/*
|
638 |
*----------------------------------------------------------------------
|
639 |
*
|
640 |
* Tcl_ExitObjCmd --
|
641 |
*
|
642 |
* This procedure is invoked to process the "exit" Tcl command.
|
643 |
* See the user documentation for details on what it does.
|
644 |
*
|
645 |
* Results:
|
646 |
* A standard Tcl object result.
|
647 |
*
|
648 |
* Side effects:
|
649 |
* See the user documentation.
|
650 |
*
|
651 |
*----------------------------------------------------------------------
|
652 |
*/
|
653 |
|
654 |
/* ARGSUSED */
|
655 |
int
|
656 |
Tcl_ExitObjCmd(dummy, interp, objc, objv)
|
657 |
ClientData dummy; /* Not used. */
|
658 |
Tcl_Interp *interp; /* Current interpreter. */
|
659 |
int objc; /* Number of arguments. */
|
660 |
Tcl_Obj *CONST objv[]; /* Argument objects. */
|
661 |
{
|
662 |
int value;
|
663 |
|
664 |
if ((objc != 1) && (objc != 2)) {
|
665 |
Tcl_WrongNumArgs(interp, 1, objv, "?returnCode?");
|
666 |
return TCL_ERROR;
|
667 |
}
|
668 |
|
669 |
if (objc == 1) {
|
670 |
value = 0;
|
671 |
} else if (Tcl_GetIntFromObj(interp, objv[1], &value) != TCL_OK) {
|
672 |
return TCL_ERROR;
|
673 |
}
|
674 |
Tcl_Exit(value);
|
675 |
/*NOTREACHED*/
|
676 |
return TCL_OK; /* Better not ever reach this! */
|
677 |
}
|
678 |
|
679 |
/*
|
680 |
*----------------------------------------------------------------------
|
681 |
*
|
682 |
* Tcl_ExprObjCmd --
|
683 |
*
|
684 |
* This object-based procedure is invoked to process the "expr" Tcl
|
685 |
* command. See the user documentation for details on what it does.
|
686 |
*
|
687 |
* With the bytecode compiler, this procedure is called in two
|
688 |
* circumstances: 1) to execute expr commands that are too complicated
|
689 |
* or too unsafe to try compiling directly into an inline sequence of
|
690 |
* instructions, and 2) to execute commands where the command name is
|
691 |
* computed at runtime and is "expr" or the name to which "expr" was
|
692 |
* renamed (e.g., "set z expr; $z 2+3")
|
693 |
*
|
694 |
* Results:
|
695 |
* A standard Tcl object result.
|
696 |
*
|
697 |
* Side effects:
|
698 |
* See the user documentation.
|
699 |
*
|
700 |
*----------------------------------------------------------------------
|
701 |
*/
|
702 |
|
703 |
/* ARGSUSED */
|
704 |
int
|
705 |
Tcl_ExprObjCmd(dummy, interp, objc, objv)
|
706 |
ClientData dummy; /* Not used. */
|
707 |
Tcl_Interp *interp; /* Current interpreter. */
|
708 |
int objc; /* Number of arguments. */
|
709 |
Tcl_Obj *CONST objv[]; /* Argument objects. */
|
710 |
{
|
711 |
register Tcl_Obj *objPtr;
|
712 |
Tcl_Obj *resultPtr;
|
713 |
register char *bytes;
|
714 |
int length, i, result;
|
715 |
|
716 |
if (objc < 2) {
|
717 |
Tcl_WrongNumArgs(interp, 1, objv, "arg ?arg ...?");
|
718 |
return TCL_ERROR;
|
719 |
}
|
720 |
|
721 |
if (objc == 2) {
|
722 |
result = Tcl_ExprObj(interp, objv[1], &resultPtr);
|
723 |
if (result == TCL_OK) {
|
724 |
Tcl_SetObjResult(interp, resultPtr);
|
725 |
Tcl_DecrRefCount(resultPtr); /* done with the result object */
|
726 |
}
|
727 |
return result;
|
728 |
}
|
729 |
|
730 |
/*
|
731 |
* Create a new object holding the concatenated argument strings.
|
732 |
*/
|
733 |
|
734 |
bytes = Tcl_GetStringFromObj(objv[1], &length);
|
735 |
objPtr = Tcl_NewStringObj(bytes, length);
|
736 |
Tcl_IncrRefCount(objPtr);
|
737 |
for (i = 2; i < objc; i++) {
|
738 |
Tcl_AppendToObj(objPtr, " ", 1);
|
739 |
bytes = Tcl_GetStringFromObj(objv[i], &length);
|
740 |
Tcl_AppendToObj(objPtr, bytes, length);
|
741 |
}
|
742 |
|
743 |
/*
|
744 |
* Evaluate the concatenated string object.
|
745 |
*/
|
746 |
|
747 |
result = Tcl_ExprObj(interp, objPtr, &resultPtr);
|
748 |
if (result == TCL_OK) {
|
749 |
Tcl_SetObjResult(interp, resultPtr);
|
750 |
Tcl_DecrRefCount(resultPtr); /* done with the result object */
|
751 |
}
|
752 |
|
753 |
/*
|
754 |
* Free allocated resources.
|
755 |
*/
|
756 |
|
757 |
Tcl_DecrRefCount(objPtr);
|
758 |
return result;
|
759 |
}
|
760 |
|
761 |
/*
|
762 |
*----------------------------------------------------------------------
|
763 |
*
|
764 |
* Tcl_FileObjCmd --
|
765 |
*
|
766 |
* This procedure is invoked to process the "file" Tcl command.
|
767 |
* See the user documentation for details on what it does.
|
768 |
* PLEASE NOTE THAT THIS FAILS WITH FILENAMES AND PATHS WITH
|
769 |
* EMBEDDED NULLS, WHICH COULD THEORETICALLY HAPPEN ON A MAC.
|
770 |
*
|
771 |
* Results:
|
772 |
* A standard Tcl result.
|
773 |
*
|
774 |
* Side effects:
|
775 |
* See the user documentation.
|
776 |
*
|
777 |
*----------------------------------------------------------------------
|
778 |
*/
|
779 |
|
780 |
/* ARGSUSED */
|
781 |
int
|
782 |
Tcl_FileObjCmd(dummy, interp, objc, objv)
|
783 |
ClientData dummy; /* Not used. */
|
784 |
Tcl_Interp *interp; /* Current interpreter. */
|
785 |
int objc; /* Number of arguments. */
|
786 |
Tcl_Obj *CONST objv[]; /* Argument objects. */
|
787 |
{
|
788 |
Tcl_Obj *resultPtr;
|
789 |
int index;
|
790 |
|
791 |
/*
|
792 |
* This list of constants should match the fileOption string array below.
|
793 |
*/
|
794 |
|
795 |
static char *fileOptions[] = {
|
796 |
"atime", "attributes", "channels", "copy",
|
797 |
"delete",
|
798 |
"dirname", "executable", "exists", "extension",
|
799 |
"isdirectory", "isfile", "join", "lstat",
|
800 |
"mtime", "mkdir", "nativename", "owned",
|
801 |
"pathtype", "readable", "readlink", "rename",
|
802 |
"rootname", "size", "split", "stat",
|
803 |
"tail", "type", "volumes", "writable",
|
804 |
(char *) NULL
|
805 |
};
|
806 |
enum options {
|
807 |
FILE_ATIME, FILE_ATTRIBUTES, FILE_CHANNELS, FILE_COPY,
|
808 |
FILE_DELETE,
|
809 |
FILE_DIRNAME, FILE_EXECUTABLE, FILE_EXISTS, FILE_EXTENSION,
|
810 |
FILE_ISDIRECTORY, FILE_ISFILE, FILE_JOIN, FILE_LSTAT,
|
811 |
FILE_MTIME, FILE_MKDIR, FILE_NATIVENAME, FILE_OWNED,
|
812 |
FILE_PATHTYPE, FILE_READABLE, FILE_READLINK, FILE_RENAME,
|
813 |
FILE_ROOTNAME, FILE_SIZE, FILE_SPLIT, FILE_STAT,
|
814 |
FILE_TAIL, FILE_TYPE, FILE_VOLUMES, FILE_WRITABLE
|
815 |
};
|
816 |
|
817 |
if (objc < 2) {
|
818 |
Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?");
|
819 |
return TCL_ERROR;
|
820 |
}
|
821 |
if (Tcl_GetIndexFromObj(interp, objv[1], fileOptions, "option", 0,
|
822 |
&index) != TCL_OK) {
|
823 |
return TCL_ERROR;
|
824 |
}
|
825 |
|
826 |
resultPtr = Tcl_GetObjResult(interp);
|
827 |
switch ((enum options) index) {
|
828 |
case FILE_ATIME: {
|
829 |
struct stat buf;
|
830 |
char *fileName;
|
831 |
struct utimbuf tval;
|
832 |
|
833 |
if ((objc < 3) || (objc > 4)) {
|
834 |
Tcl_WrongNumArgs(interp, 2, objv, "name ?time?");
|
835 |
return TCL_ERROR;
|
836 |
}
|
837 |
if (GetStatBuf(interp, objv[2], TclStat, &buf) != TCL_OK) {
|
838 |
return TCL_ERROR;
|
839 |
}
|
840 |
if (objc == 4) {
|
841 |
if (Tcl_GetLongFromObj(interp, objv[3],
|
842 |
(long*)(&buf.st_atime)) != TCL_OK) {
|
843 |
return TCL_ERROR;
|
844 |
}
|
845 |
tval.actime = buf.st_atime;
|
846 |
tval.modtime = buf.st_mtime;
|
847 |
fileName = Tcl_GetString(objv[2]);
|
848 |
if (utime(fileName, &tval) != 0) {
|
849 |
Tcl_AppendStringsToObj(resultPtr,
|
850 |
"could not set access time for file \"",
|
851 |
fileName, "\": ",
|
852 |
Tcl_PosixError(interp), (char *) NULL);
|
853 |
return TCL_ERROR;
|
854 |
}
|
855 |
/*
|
856 |
* Do another stat to ensure that the we return the
|
857 |
* new recognized atime - hopefully the same as the
|
858 |
* one we sent in. However, fs's like FAT don't
|
859 |
* even know what atime is.
|
860 |
*/
|
861 |
if (GetStatBuf(interp, objv[2], TclStat, &buf) != TCL_OK) {
|
862 |
return TCL_ERROR;
|
863 |
}
|
864 |
}
|
865 |
Tcl_SetLongObj(resultPtr, (long) buf.st_atime);
|
866 |
return TCL_OK;
|
867 |
}
|
868 |
case FILE_ATTRIBUTES: {
|
869 |
return TclFileAttrsCmd(interp, objc, objv);
|
870 |
}
|
871 |
case FILE_CHANNELS: {
|
872 |
if ((objc < 2) || (objc > 3)) {
|
873 |
Tcl_WrongNumArgs(interp, 2, objv, "?pattern?");
|
874 |
return TCL_ERROR;
|
875 |
}
|
876 |
return Tcl_GetChannelNamesEx(interp,
|
877 |
((objc == 2) ? NULL : Tcl_GetString(objv[2])));
|
878 |
}
|
879 |
case FILE_COPY: {
|
880 |
int result;
|
881 |
char **argv;
|
882 |
|
883 |
argv = StringifyObjects(objc, objv);
|
884 |
result = TclFileCopyCmd(interp, objc, argv);
|
885 |
ckfree((char *) argv);
|
886 |
return result;
|
887 |
}
|
888 |
case FILE_DELETE: {
|
889 |
int result;
|
890 |
char **argv;
|
891 |
|
892 |
argv = StringifyObjects(objc, objv);
|
893 |
result = TclFileDeleteCmd(interp, objc, argv);
|
894 |
ckfree((char *) argv);
|
895 |
return result;
|
896 |
}
|
897 |
case FILE_DIRNAME: {
|
898 |
int argc;
|
899 |
char **argv;
|
900 |
|
901 |
if (objc != 3) {
|
902 |
goto only3Args;
|
903 |
}
|
904 |
if (SplitPath(interp, objv[2], &argc, &argv) != TCL_OK) {
|
905 |
return TCL_ERROR;
|
906 |
}
|
907 |
|
908 |
/*
|
909 |
* Return all but the last component. If there is only one
|
910 |
* component, return it if the path was non-relative, otherwise
|
911 |
* return the current directory.
|
912 |
*/
|
913 |
|
914 |
if (argc > 1) {
|
915 |
Tcl_DString ds;
|
916 |
|
917 |
Tcl_DStringInit(&ds);
|
918 |
Tcl_JoinPath(argc - 1, argv, &ds);
|
919 |
Tcl_SetStringObj(resultPtr, Tcl_DStringValue(&ds),
|
920 |
Tcl_DStringLength(&ds));
|
921 |
Tcl_DStringFree(&ds);
|
922 |
} else if ((argc == 0)
|
923 |
|| (Tcl_GetPathType(argv[0]) == TCL_PATH_RELATIVE)) {
|
924 |
Tcl_SetStringObj(resultPtr,
|
925 |
((tclPlatform == TCL_PLATFORM_MAC) ? ":" : "."), 1);
|
926 |
} else {
|
927 |
Tcl_SetStringObj(resultPtr, argv[0], -1);
|
928 |
}
|
929 |
ckfree((char *) argv);
|
930 |
return TCL_OK;
|
931 |
}
|
932 |
case FILE_EXECUTABLE: {
|
933 |
if (objc != 3) {
|
934 |
goto only3Args;
|
935 |
}
|
936 |
return CheckAccess(interp, objv[2], X_OK);
|
937 |
}
|
938 |
case FILE_EXISTS: {
|
939 |
if (objc != 3) {
|
940 |
goto only3Args;
|
941 |
}
|
942 |
return CheckAccess(interp, objv[2], F_OK);
|
943 |
}
|
944 |
case FILE_EXTENSION: {
|
945 |
char *fileName, *extension;
|
946 |
if (objc != 3) {
|
947 |
goto only3Args;
|
948 |
}
|
949 |
fileName = Tcl_GetString(objv[2]);
|
950 |
extension = TclGetExtension(fileName);
|
951 |
if (extension != NULL) {
|
952 |
Tcl_SetStringObj(resultPtr, extension, -1);
|
953 |
}
|
954 |
return TCL_OK;
|
955 |
}
|
956 |
case FILE_ISDIRECTORY: {
|
957 |
int value;
|
958 |
struct stat buf;
|
959 |
|
960 |
if (objc != 3) {
|
961 |
goto only3Args;
|
962 |
}
|
963 |
value = 0;
|
964 |
if (GetStatBuf(NULL, objv[2], TclStat, &buf) == TCL_OK) {
|
965 |
value = S_ISDIR(buf.st_mode);
|
966 |
}
|
967 |
Tcl_SetBooleanObj(resultPtr, value);
|
968 |
return TCL_OK;
|
969 |
}
|
970 |
case FILE_ISFILE: {
|
971 |
int value;
|
972 |
struct stat buf;
|
973 |
|
974 |
if (objc != 3) {
|
975 |
goto only3Args;
|
976 |
}
|
977 |
value = 0;
|
978 |
if (GetStatBuf(NULL, objv[2], TclStat, &buf) == TCL_OK) {
|
979 |
value = S_ISREG(buf.st_mode);
|
980 |
}
|
981 |
Tcl_SetBooleanObj(resultPtr, value);
|
982 |
return TCL_OK;
|
983 |
}
|
984 |
case FILE_JOIN: {
|
985 |
char **argv;
|
986 |
Tcl_DString ds;
|
987 |
|
988 |
if (objc < 3) {
|
989 |
Tcl_WrongNumArgs(interp, 2, objv, "name ?name ...?");
|
990 |
return TCL_ERROR;
|
991 |
}
|
992 |
argv = StringifyObjects(objc - 2, objv + 2);
|
993 |
Tcl_DStringInit(&ds);
|
994 |
Tcl_JoinPath(objc - 2, argv, &ds);
|
995 |
Tcl_SetStringObj(resultPtr, Tcl_DStringValue(&ds),
|
996 |
Tcl_DStringLength(&ds));
|
997 |
Tcl_DStringFree(&ds);
|
998 |
ckfree((char *) argv);
|
999 |
return TCL_OK;
|
1000 |
}
|
1001 |
case FILE_LSTAT: {
|
1002 |
char *varName;
|
1003 |
struct stat buf;
|
1004 |
|
1005 |
if (objc != 4) {
|
1006 |
Tcl_WrongNumArgs(interp, 2, objv, "name varName");
|
1007 |
return TCL_ERROR;
|
1008 |
}
|
1009 |
if (GetStatBuf(interp, objv[2], TclpLstat, &buf) != TCL_OK) {
|
1010 |
return TCL_ERROR;
|
1011 |
}
|
1012 |
varName = Tcl_GetString(objv[3]);
|
1013 |
return StoreStatData(interp, varName, &buf);
|
1014 |
}
|
1015 |
case FILE_MTIME: {
|
1016 |
struct stat buf;
|
1017 |
char *fileName;
|
1018 |
struct utimbuf tval;
|
1019 |
|
1020 |
if ((objc < 3) || (objc > 4)) {
|
1021 |
Tcl_WrongNumArgs(interp, 2, objv, "name ?time?");
|
1022 |
return TCL_ERROR;
|
1023 |
}
|
1024 |
if (GetStatBuf(interp, objv[2], TclStat, &buf) != TCL_OK) {
|
1025 |
return TCL_ERROR;
|
1026 |
}
|
1027 |
if (objc == 4) {
|
1028 |
if (Tcl_GetLongFromObj(interp, objv[3],
|
1029 |
(long*)(&buf.st_mtime)) != TCL_OK) {
|
1030 |
return TCL_ERROR;
|
1031 |
}
|
1032 |
tval.actime = buf.st_atime;
|
1033 |
tval.modtime = buf.st_mtime;
|
1034 |
fileName = Tcl_GetString(objv[2]);
|
1035 |
if (utime(fileName, &tval) != 0) {
|
1036 |
Tcl_AppendStringsToObj(resultPtr,
|
1037 |
"could not set modification time for file \"",
|
1038 |
fileName, "\": ",
|
1039 |
Tcl_PosixError(interp), (char *) NULL);
|
1040 |
return TCL_ERROR;
|
1041 |
}
|
1042 |
/*
|
1043 |
* Do another stat to ensure that the we return the
|
1044 |
* new recognized atime - hopefully the same as the
|
1045 |
* one we sent in. However, fs's like FAT don't
|
1046 |
* even know what atime is.
|
1047 |
*/
|
1048 |
if (GetStatBuf(interp, objv[2], TclStat, &buf) != TCL_OK) {
|
1049 |
return TCL_ERROR;
|
1050 |
}
|
1051 |
}
|
1052 |
Tcl_SetLongObj(resultPtr, (long) buf.st_mtime);
|
1053 |
return TCL_OK;
|
1054 |
}
|
1055 |
case FILE_MKDIR: {
|
1056 |
char **argv;
|
1057 |
int result;
|
1058 |
|
1059 |
if (objc < 3) {
|
1060 |
Tcl_WrongNumArgs(interp, 2, objv, "name ?name ...?");
|
1061 |
return TCL_ERROR;
|
1062 |
}
|
1063 |
argv = StringifyObjects(objc, objv);
|
1064 |
result = TclFileMakeDirsCmd(interp, objc, argv);
|
1065 |
ckfree((char *) argv);
|
1066 |
return result;
|
1067 |
}
|
1068 |
case FILE_NATIVENAME: {
|
1069 |
char *fileName;
|
1070 |
Tcl_DString ds;
|
1071 |
|
1072 |
if (objc != 3) {
|
1073 |
goto only3Args;
|
1074 |
}
|
1075 |
fileName = Tcl_GetString(objv[2]);
|
1076 |
fileName = Tcl_TranslateFileName(interp, fileName, &ds);
|
1077 |
if (fileName == NULL) {
|
1078 |
return TCL_ERROR;
|
1079 |
}
|
1080 |
Tcl_SetStringObj(resultPtr, fileName, Tcl_DStringLength(&ds));
|
1081 |
Tcl_DStringFree(&ds);
|
1082 |
return TCL_OK;
|
1083 |
}
|
1084 |
case FILE_OWNED: {
|
1085 |
int value;
|
1086 |
struct stat buf;
|
1087 |
|
1088 |
if (objc != 3) {
|
1089 |
goto only3Args;
|
1090 |
}
|
1091 |
value = 0;
|
1092 |
if (GetStatBuf(NULL, objv[2], TclStat, &buf) == TCL_OK) {
|
1093 |
/*
|
1094 |
* For Windows and Macintosh, there are no user ids
|
1095 |
* associated with a file, so we always return 1.
|
1096 |
*/
|
1097 |
|
1098 |
#if (defined(__WIN32__) || defined(MAC_TCL))
|
1099 |
value = 1;
|
1100 |
#else
|
1101 |
value = (geteuid() == buf.st_uid);
|
1102 |
#endif
|
1103 |
}
|
1104 |
Tcl_SetBooleanObj(resultPtr, value);
|
1105 |
return TCL_OK;
|
1106 |
}
|
1107 |
case FILE_PATHTYPE: {
|
1108 |
char *fileName;
|
1109 |
|
1110 |
if (objc != 3) {
|
1111 |
goto only3Args;
|
1112 |
}
|
1113 |
fileName = Tcl_GetString(objv[2]);
|
1114 |
switch (Tcl_GetPathType(fileName)) {
|
1115 |
case TCL_PATH_ABSOLUTE:
|
1116 |
Tcl_SetStringObj(resultPtr, "absolute", -1);
|
1117 |
break;
|
1118 |
case TCL_PATH_RELATIVE:
|
1119 |
Tcl_SetStringObj(resultPtr, "relative", -1);
|
1120 |
break;
|
1121 |
case TCL_PATH_VOLUME_RELATIVE:
|
1122 |
Tcl_SetStringObj(resultPtr, "volumerelative", -1);
|
1123 |
break;
|
1124 |
}
|
1125 |
return TCL_OK;
|
1126 |
}
|
1127 |
case FILE_READABLE: {
|
1128 |
if (objc != 3) {
|
1129 |
goto only3Args;
|
1130 |
}
|
1131 |
return CheckAccess(interp, objv[2], R_OK);
|
1132 |
}
|
1133 |
case FILE_READLINK: {
|
1134 |
char *fileName, *contents;
|
1135 |
Tcl_DString name, link;
|
1136 |
|
1137 |
if (objc != 3) {
|
1138 |
goto only3Args;
|
1139 |
}
|
1140 |
|
1141 |
fileName = Tcl_GetString(objv[2]);
|
1142 |
fileName = Tcl_TranslateFileName(interp, fileName, &name);
|
1143 |
if (fileName == NULL) {
|
1144 |
return TCL_ERROR;
|
1145 |
}
|
1146 |
|
1147 |
/*
|
1148 |
* If S_IFLNK isn't defined it means that the machine doesn't
|
1149 |
* support symbolic links, so the file can't possibly be a
|
1150 |
* symbolic link. Generate an EINVAL error, which is what
|
1151 |
* happens on machines that do support symbolic links when
|
1152 |
* you invoke readlink on a file that isn't a symbolic link.
|
1153 |
*/
|
1154 |
|
1155 |
#ifndef S_IFLNK
|
1156 |
contents = NULL;
|
1157 |
errno = EINVAL;
|
1158 |
#else
|
1159 |
contents = TclpReadlink(fileName, &link);
|
1160 |
#endif /* S_IFLNK */
|
1161 |
|
1162 |
Tcl_DStringFree(&name);
|
1163 |
if (contents == NULL) {
|
1164 |
Tcl_AppendResult(interp, "could not readlink \"",
|
1165 |
Tcl_GetString(objv[2]), "\": ",
|
1166 |
Tcl_PosixError(interp), (char *) NULL);
|
1167 |
return TCL_ERROR;
|
1168 |
}
|
1169 |
Tcl_DStringResult(interp, &link);
|
1170 |
return TCL_OK;
|
1171 |
}
|
1172 |
case FILE_RENAME: {
|
1173 |
int result;
|
1174 |
char **argv;
|
1175 |
|
1176 |
argv = StringifyObjects(objc, objv);
|
1177 |
result = TclFileRenameCmd(interp, objc, argv);
|
1178 |
ckfree((char *) argv);
|
1179 |
return result;
|
1180 |
}
|
1181 |
case FILE_ROOTNAME: {
|
1182 |
int length;
|
1183 |
char *fileName, *extension;
|
1184 |
|
1185 |
if (objc != 3) {
|
1186 |
goto only3Args;
|
1187 |
}
|
1188 |
fileName = Tcl_GetStringFromObj(objv[2], &length);
|
1189 |
extension = TclGetExtension(fileName);
|
1190 |
if (extension == NULL) {
|
1191 |
Tcl_SetObjResult(interp, objv[2]);
|
1192 |
} else {
|
1193 |
Tcl_SetStringObj(resultPtr, fileName,
|
1194 |
(int) (length - strlen(extension)));
|
1195 |
}
|
1196 |
return TCL_OK;
|
1197 |
}
|
1198 |
case FILE_SIZE: {
|
1199 |
struct stat buf;
|
1200 |
|
1201 |
if (objc != 3) {
|
1202 |
goto only3Args;
|
1203 |
}
|
1204 |
if (GetStatBuf(interp, objv[2], TclStat, &buf) != TCL_OK) {
|
1205 |
return TCL_ERROR;
|
1206 |
}
|
1207 |
Tcl_SetLongObj(resultPtr, (long) buf.st_size);
|
1208 |
return TCL_OK;
|
1209 |
}
|
1210 |
case FILE_SPLIT: {
|
1211 |
int i, argc;
|
1212 |
char **argv;
|
1213 |
char *fileName;
|
1214 |
Tcl_Obj *objPtr;
|
1215 |
|
1216 |
if (objc != 3) {
|
1217 |
goto only3Args;
|
1218 |
}
|
1219 |
fileName = Tcl_GetString(objv[2]);
|
1220 |
Tcl_SplitPath(fileName, &argc, &argv);
|
1221 |
for (i = 0; i < argc; i++) {
|
1222 |
objPtr = Tcl_NewStringObj(argv[i], -1);
|
1223 |
Tcl_ListObjAppendElement(NULL, resultPtr, objPtr);
|
1224 |
}
|
1225 |
ckfree((char *) argv);
|
1226 |
return TCL_OK;
|
1227 |
}
|
1228 |
case FILE_STAT: {
|
1229 |
char *varName;
|
1230 |
struct stat buf;
|
1231 |
|
1232 |
if (objc != 4) {
|
1233 |
Tcl_WrongNumArgs(interp, 1, objv, "stat name varName");
|
1234 |
return TCL_ERROR;
|
1235 |
}
|
1236 |
if (GetStatBuf(interp, objv[2], TclStat, &buf) != TCL_OK) {
|
1237 |
return TCL_ERROR;
|
1238 |
}
|
1239 |
varName = Tcl_GetString(objv[3]);
|
1240 |
return StoreStatData(interp, varName, &buf);
|
1241 |
}
|
1242 |
case FILE_TAIL: {
|
1243 |
int argc;
|
1244 |
char **argv;
|
1245 |
|
1246 |
if (objc != 3) {
|
1247 |
goto only3Args;
|
1248 |
}
|
1249 |
if (SplitPath(interp, objv[2], &argc, &argv) != TCL_OK) {
|
1250 |
return TCL_ERROR;
|
1251 |
}
|
1252 |
|
1253 |
/*
|
1254 |
* Return the last component, unless it is the only component,
|
1255 |
* and it is the root of an absolute path.
|
1256 |
*/
|
1257 |
|
1258 |
if (argc > 0) {
|
1259 |
if ((argc > 1)
|
1260 |
|| (Tcl_GetPathType(argv[0]) == TCL_PATH_RELATIVE)) {
|
1261 |
Tcl_SetStringObj(resultPtr, argv[argc - 1], -1);
|
1262 |
}
|
1263 |
}
|
1264 |
ckfree((char *) argv);
|
1265 |
return TCL_OK;
|
1266 |
}
|
1267 |
case FILE_TYPE: {
|
1268 |
struct stat buf;
|
1269 |
|
1270 |
if (objc != 3) {
|
1271 |
goto only3Args;
|
1272 |
}
|
1273 |
if (GetStatBuf(interp, objv[2], TclpLstat, &buf) != TCL_OK) {
|
1274 |
return TCL_ERROR;
|
1275 |
}
|
1276 |
Tcl_SetStringObj(resultPtr,
|
1277 |
GetTypeFromMode((unsigned short) buf.st_mode), -1);
|
1278 |
return TCL_OK;
|
1279 |
}
|
1280 |
case FILE_VOLUMES: {
|
1281 |
if (objc != 2) {
|
1282 |
Tcl_WrongNumArgs(interp, 2, objv, NULL);
|
1283 |
return TCL_ERROR;
|
1284 |
}
|
1285 |
return TclpListVolumes(interp);
|
1286 |
}
|
1287 |
case FILE_WRITABLE: {
|
1288 |
if (objc != 3) {
|
1289 |
goto only3Args;
|
1290 |
}
|
1291 |
return CheckAccess(interp, objv[2], W_OK);
|
1292 |
}
|
1293 |
}
|
1294 |
|
1295 |
only3Args:
|
1296 |
Tcl_WrongNumArgs(interp, 2, objv, "name");
|
1297 |
return TCL_ERROR;
|
1298 |
}
|
1299 |
|
1300 |
/*
|
1301 |
*---------------------------------------------------------------------------
|
1302 |
*
|
1303 |
* SplitPath --
|
1304 |
*
|
1305 |
* Utility procedure used by Tcl_FileObjCmd() to split a path.
|
1306 |
* Differs from standard Tcl_SplitPath in its handling of home
|
1307 |
* directories; Tcl_SplitPath preserves the "~" while this
|
1308 |
* procedure computes the actual full path name.
|
1309 |
*
|
1310 |
* Results:
|
1311 |
* The return value is TCL_OK if the path could be split, TCL_ERROR
|
1312 |
* otherwise. If TCL_ERROR was returned, an error message is left
|
1313 |
* in interp. If TCL_OK was returned, *argvPtr is set to a newly
|
1314 |
* allocated array of strings that represent the individual
|
1315 |
* directories in the specified path, and *argcPtr is filled with
|
1316 |
* the length of that array.
|
1317 |
*
|
1318 |
* Side effects:
|
1319 |
* Memory allocated. The caller must eventually free this memory
|
1320 |
* by calling ckfree() on *argvPtr.
|
1321 |
*
|
1322 |
*---------------------------------------------------------------------------
|
1323 |
*/
|
1324 |
|
1325 |
static int
|
1326 |
SplitPath(interp, objPtr, argcPtr, argvPtr)
|
1327 |
Tcl_Interp *interp; /* Interp for error return. May be NULL. */
|
1328 |
Tcl_Obj *objPtr; /* Path to be split. */
|
1329 |
int *argcPtr; /* Filled with length of following array. */
|
1330 |
char ***argvPtr; /* Filled with array of strings representing
|
1331 |
* the elements of the specified path. */
|
1332 |
{
|
1333 |
char *fileName;
|
1334 |
|
1335 |
fileName = Tcl_GetString(objPtr);
|
1336 |
|
1337 |
/*
|
1338 |
* If there is only one element, and it starts with a tilde,
|
1339 |
* perform tilde substitution and resplit the path.
|
1340 |
*/
|
1341 |
|
1342 |
Tcl_SplitPath(fileName, argcPtr, argvPtr);
|
1343 |
if ((*argcPtr == 1) && (fileName[0] == '~')) {
|
1344 |
Tcl_DString ds;
|
1345 |
|
1346 |
ckfree((char *) *argvPtr);
|
1347 |
fileName = Tcl_TranslateFileName(interp, fileName, &ds);
|
1348 |
if (fileName == NULL) {
|
1349 |
return TCL_ERROR;
|
1350 |
}
|
1351 |
Tcl_SplitPath(fileName, argcPtr, argvPtr);
|
1352 |
Tcl_DStringFree(&ds);
|
1353 |
}
|
1354 |
return TCL_OK;
|
1355 |
}
|
1356 |
|
1357 |
/*
|
1358 |
*---------------------------------------------------------------------------
|
1359 |
*
|
1360 |
* CheckAccess --
|
1361 |
*
|
1362 |
* Utility procedure used by Tcl_FileObjCmd() to query file
|
1363 |
* attributes available through the access() system call.
|
1364 |
*
|
1365 |
* Results:
|
1366 |
* Always returns TCL_OK. Sets interp's result to boolean true or
|
1367 |
* false depending on whether the file has the specified attribute.
|
1368 |
*
|
1369 |
* Side effects:
|
1370 |
* None.
|
1371 |
*
|
1372 |
*---------------------------------------------------------------------------
|
1373 |
*/
|
1374 |
|
1375 |
static int
|
1376 |
CheckAccess(interp, objPtr, mode)
|
1377 |
Tcl_Interp *interp; /* Interp for status return. Must not be
|
1378 |
* NULL. */
|
1379 |
Tcl_Obj *objPtr; /* Name of file to check. */
|
1380 |
int mode; /* Attribute to check; passed as argument to
|
1381 |
* access(). */
|
1382 |
{
|
1383 |
int value;
|
1384 |
char *fileName;
|
1385 |
Tcl_DString ds;
|
1386 |
|
1387 |
fileName = Tcl_GetString(objPtr);
|
1388 |
fileName = Tcl_TranslateFileName(interp, fileName, &ds);
|
1389 |
if (fileName == NULL) {
|
1390 |
value = 0;
|
1391 |
} else {
|
1392 |
value = (TclAccess(fileName, mode) == 0);
|
1393 |
Tcl_DStringFree(&ds);
|
1394 |
}
|
1395 |
Tcl_SetBooleanObj(Tcl_GetObjResult(interp), value);
|
1396 |
|
1397 |
return TCL_OK;
|
1398 |
}
|
1399 |
|
1400 |
/*
|
1401 |
*---------------------------------------------------------------------------
|
1402 |
*
|
1403 |
* GetStatBuf --
|
1404 |
*
|
1405 |
* Utility procedure used by Tcl_FileObjCmd() to query file
|
1406 |
* attributes available through the stat() or lstat() system call.
|
1407 |
*
|
1408 |
* Results:
|
1409 |
* The return value is TCL_OK if the specified file exists and can
|
1410 |
* be stat'ed, TCL_ERROR otherwise. If TCL_ERROR is returned, an
|
1411 |
* error message is left in interp's result. If TCL_OK is returned,
|
1412 |
* *statPtr is filled with information about the specified file.
|
1413 |
*
|
1414 |
* Side effects:
|
1415 |
* None.
|
1416 |
*
|
1417 |
*---------------------------------------------------------------------------
|
1418 |
*/
|
1419 |
|
1420 |
static int
|
1421 |
GetStatBuf(interp, objPtr, statProc, statPtr)
|
1422 |
Tcl_Interp *interp; /* Interp for error return. May be NULL. */
|
1423 |
Tcl_Obj *objPtr; /* Path name to examine. */
|
1424 |
StatProc *statProc; /* Either stat() or lstat() depending on
|
1425 |
* desired behavior. */
|
1426 |
struct stat *statPtr; /* Filled with info about file obtained by
|
1427 |
* calling (*statProc)(). */
|
1428 |
{
|
1429 |
char *fileName;
|
1430 |
Tcl_DString ds;
|
1431 |
int status;
|
1432 |
|
1433 |
fileName = Tcl_GetString(objPtr);
|
1434 |
fileName = Tcl_TranslateFileName(interp, fileName, &ds);
|
1435 |
if (fileName == NULL) {
|
1436 |
return TCL_ERROR;
|
1437 |
}
|
1438 |
|
1439 |
status = (*statProc)(Tcl_DStringValue(&ds), statPtr);
|
1440 |
Tcl_DStringFree(&ds);
|
1441 |
|
1442 |
if (status < 0) {
|
1443 |
if (interp != NULL) {
|
1444 |
Tcl_AppendResult(interp, "could not read \"",
|
1445 |
Tcl_GetString(objPtr), "\": ",
|
1446 |
Tcl_PosixError(interp), (char *) NULL);
|
1447 |
}
|
1448 |
return TCL_ERROR;
|
1449 |
}
|
1450 |
return TCL_OK;
|
1451 |
}
|
1452 |
|
1453 |
/*
|
1454 |
*----------------------------------------------------------------------
|
1455 |
*
|
1456 |
* StoreStatData --
|
1457 |
*
|
1458 |
* This is a utility procedure that breaks out the fields of a
|
1459 |
* "stat" structure and stores them in textual form into the
|
1460 |
* elements of an associative array.
|
1461 |
*
|
1462 |
* Results:
|
1463 |
* Returns a standard Tcl return value. If an error occurs then
|
1464 |
* a message is left in interp's result.
|
1465 |
*
|
1466 |
* Side effects:
|
1467 |
* Elements of the associative array given by "varName" are modified.
|
1468 |
*
|
1469 |
*----------------------------------------------------------------------
|
1470 |
*/
|
1471 |
|
1472 |
static int
|
1473 |
StoreStatData(interp, varName, statPtr)
|
1474 |
Tcl_Interp *interp; /* Interpreter for error reports. */
|
1475 |
char *varName; /* Name of associative array variable
|
1476 |
* in which to store stat results. */
|
1477 |
struct stat *statPtr; /* Pointer to buffer containing
|
1478 |
* stat data to store in varName. */
|
1479 |
{
|
1480 |
char string[TCL_INTEGER_SPACE];
|
1481 |
|
1482 |
TclFormatInt(string, (long) statPtr->st_dev);
|
1483 |
if (Tcl_SetVar2(interp, varName, "dev", string, TCL_LEAVE_ERR_MSG)
|
1484 |
== NULL) {
|
1485 |
return TCL_ERROR;
|
1486 |
}
|
1487 |
TclFormatInt(string, (long) statPtr->st_ino);
|
1488 |
if (Tcl_SetVar2(interp, varName, "ino", string, TCL_LEAVE_ERR_MSG)
|
1489 |
== NULL) {
|
1490 |
return TCL_ERROR;
|
1491 |
}
|
1492 |
TclFormatInt(string, (unsigned short) statPtr->st_mode);
|
1493 |
if (Tcl_SetVar2(interp, varName, "mode", string, TCL_LEAVE_ERR_MSG)
|
1494 |
== NULL) {
|
1495 |
return TCL_ERROR;
|
1496 |
}
|
1497 |
TclFormatInt(string, (long) statPtr->st_nlink);
|
1498 |
if (Tcl_SetVar2(interp, varName, "nlink", string, TCL_LEAVE_ERR_MSG)
|
1499 |
== NULL) {
|
1500 |
return TCL_ERROR;
|
1501 |
}
|
1502 |
TclFormatInt(string, (long) statPtr->st_uid);
|
1503 |
if (Tcl_SetVar2(interp, varName, "uid", string, TCL_LEAVE_ERR_MSG)
|
1504 |
== NULL) {
|
1505 |
return TCL_ERROR;
|
1506 |
}
|
1507 |
TclFormatInt(string, (long) statPtr->st_gid);
|
1508 |
if (Tcl_SetVar2(interp, varName, "gid", string, TCL_LEAVE_ERR_MSG)
|
1509 |
== NULL) {
|
1510 |
return TCL_ERROR;
|
1511 |
}
|
1512 |
sprintf(string, "%lu", (unsigned long) statPtr->st_size);
|
1513 |
if (Tcl_SetVar2(interp, varName, "size", string, TCL_LEAVE_ERR_MSG)
|
1514 |
== NULL) {
|
1515 |
return TCL_ERROR;
|
1516 |
}
|
1517 |
TclFormatInt(string, (long) statPtr->st_atime);
|
1518 |
if (Tcl_SetVar2(interp, varName, "atime", string, TCL_LEAVE_ERR_MSG)
|
1519 |
== NULL) {
|
1520 |
return TCL_ERROR;
|
1521 |
}
|
1522 |
TclFormatInt(string, (long) statPtr->st_mtime);
|
1523 |
if (Tcl_SetVar2(interp, varName, "mtime", string, TCL_LEAVE_ERR_MSG)
|
1524 |
== NULL) {
|
1525 |
return TCL_ERROR;
|
1526 |
}
|
1527 |
TclFormatInt(string, (long) statPtr->st_ctime);
|
1528 |
if (Tcl_SetVar2(interp, varName, "ctime", string, TCL_LEAVE_ERR_MSG)
|
1529 |
== NULL) {
|
1530 |
return TCL_ERROR;
|
1531 |
}
|
1532 |
if (Tcl_SetVar2(interp, varName, "type",
|
1533 |
GetTypeFromMode((unsigned short) statPtr->st_mode),
|
1534 |
TCL_LEAVE_ERR_MSG) == NULL) {
|
1535 |
return TCL_ERROR;
|
1536 |
}
|
1537 |
return TCL_OK;
|
1538 |
}
|
1539 |
|
1540 |
/*
|
1541 |
*----------------------------------------------------------------------
|
1542 |
*
|
1543 |
* GetTypeFromMode --
|
1544 |
*
|
1545 |
* Given a mode word, returns a string identifying the type of a
|
1546 |
* file.
|
1547 |
*
|
1548 |
* Results:
|
1549 |
* A static text string giving the file type from mode.
|
1550 |
*
|
1551 |
* Side effects:
|
1552 |
* None.
|
1553 |
*
|
1554 |
*----------------------------------------------------------------------
|
1555 |
*/
|
1556 |
|
1557 |
static char *
|
1558 |
GetTypeFromMode(mode)
|
1559 |
int mode;
|
1560 |
{
|
1561 |
if (S_ISREG(mode)) {
|
1562 |
return "file";
|
1563 |
} else if (S_ISDIR(mode)) {
|
1564 |
return "directory";
|
1565 |
} else if (S_ISCHR(mode)) {
|
1566 |
return "characterSpecial";
|
1567 |
} else if (S_ISBLK(mode)) {
|
1568 |
return "blockSpecial";
|
1569 |
} else if (S_ISFIFO(mode)) {
|
1570 |
return "fifo";
|
1571 |
#ifdef S_ISLNK
|
1572 |
} else if (S_ISLNK(mode)) {
|
1573 |
return "link";
|
1574 |
#endif
|
1575 |
#ifdef S_ISSOCK
|
1576 |
} else if (S_ISSOCK(mode)) {
|
1577 |
return "socket";
|
1578 |
#endif
|
1579 |
}
|
1580 |
return "unknown";
|
1581 |
}
|
1582 |
|
1583 |
/*
|
1584 |
*----------------------------------------------------------------------
|
1585 |
*
|
1586 |
* Tcl_ForObjCmd --
|
1587 |
*
|
1588 |
* This procedure is invoked to process the "for" Tcl command.
|
1589 |
* See the user documentation for details on what it does.
|
1590 |
*
|
1591 |
* With the bytecode compiler, this procedure is only called when
|
1592 |
* a command name is computed at runtime, and is "for" or the name
|
1593 |
* to which "for" was renamed: e.g.,
|
1594 |
* "set z for; $z {set i 0} {$i<100} {incr i} {puts $i}"
|
1595 |
*
|
1596 |
* Results:
|
1597 |
* A standard Tcl result.
|
1598 |
*
|
1599 |
* Side effects:
|
1600 |
* See the user documentation.
|
1601 |
*
|
1602 |
*----------------------------------------------------------------------
|
1603 |
*/
|
1604 |
|
1605 |
/* ARGSUSED */
|
1606 |
int
|
1607 |
Tcl_ForObjCmd(dummy, interp, objc, objv)
|
1608 |
ClientData dummy; /* Not used. */
|
1609 |
Tcl_Interp *interp; /* Current interpreter. */
|
1610 |
int objc; /* Number of arguments. */
|
1611 |
Tcl_Obj *CONST objv[]; /* Argument objects. */
|
1612 |
{
|
1613 |
int result, value;
|
1614 |
|
1615 |
if (objc != 5) {
|
1616 |
Tcl_WrongNumArgs(interp, 1, objv, "start test next command");
|
1617 |
return TCL_ERROR;
|
1618 |
}
|
1619 |
|
1620 |
result = Tcl_EvalObjEx(interp, objv[1], 0);
|
1621 |
if (result != TCL_OK) {
|
1622 |
if (result == TCL_ERROR) {
|
1623 |
Tcl_AddErrorInfo(interp, "\n (\"for\" initial command)");
|
1624 |
}
|
1625 |
return result;
|
1626 |
}
|
1627 |
while (1) {
|
1628 |
/*
|
1629 |
* We need to reset the result before passing it off to
|
1630 |
* Tcl_ExprBooleanObj. Otherwise, any error message will be appended
|
1631 |
* to the result of the last evaluation.
|
1632 |
*/
|
1633 |
|
1634 |
Tcl_ResetResult(interp);
|
1635 |
result = Tcl_ExprBooleanObj(interp, objv[2], &value);
|
1636 |
if (result != TCL_OK) {
|
1637 |
return result;
|
1638 |
}
|
1639 |
if (!value) {
|
1640 |
break;
|
1641 |
}
|
1642 |
result = Tcl_EvalObjEx(interp, objv[4], 0);
|
1643 |
if ((result != TCL_OK) && (result != TCL_CONTINUE)) {
|
1644 |
if (result == TCL_ERROR) {
|
1645 |
char msg[32 + TCL_INTEGER_SPACE];
|
1646 |
|
1647 |
sprintf(msg, "\n (\"for\" body line %d)",interp->errorLine);
|
1648 |
Tcl_AddErrorInfo(interp, msg);
|
1649 |
}
|
1650 |
break;
|
1651 |
}
|
1652 |
result = Tcl_EvalObjEx(interp, objv[3], 0);
|
1653 |
if (result == TCL_BREAK) {
|
1654 |
break;
|
1655 |
} else if (result != TCL_OK) {
|
1656 |
if (result == TCL_ERROR) {
|
1657 |
Tcl_AddErrorInfo(interp, "\n (\"for\" loop-end command)");
|
1658 |
}
|
1659 |
return result;
|
1660 |
}
|
1661 |
}
|
1662 |
if (result == TCL_BREAK) {
|
1663 |
result = TCL_OK;
|
1664 |
}
|
1665 |
if (result == TCL_OK) {
|
1666 |
Tcl_ResetResult(interp);
|
1667 |
}
|
1668 |
return result;
|
1669 |
}
|
1670 |
|
1671 |
/*
|
1672 |
*----------------------------------------------------------------------
|
1673 |
*
|
1674 |
* Tcl_ForeachObjCmd --
|
1675 |
*
|
1676 |
* This object-based procedure is invoked to process the "foreach" Tcl
|
1677 |
* command. See the user documentation for details on what it does.
|
1678 |
*
|
1679 |
* Results:
|
1680 |
* A standard Tcl object result.
|
1681 |
*
|
1682 |
* Side effects:
|
1683 |
* See the user documentation.
|
1684 |
*
|
1685 |
*----------------------------------------------------------------------
|
1686 |
*/
|
1687 |
|
1688 |
/* ARGSUSED */
|
1689 |
int
|
1690 |
Tcl_ForeachObjCmd(dummy, interp, objc, objv)
|
1691 |
ClientData dummy; /* Not used. */
|
1692 |
Tcl_Interp *interp; /* Current interpreter. */
|
1693 |
int objc; /* Number of arguments. */
|
1694 |
Tcl_Obj *CONST objv[]; /* Argument objects. */
|
1695 |
{
|
1696 |
int result = TCL_OK;
|
1697 |
int i; /* i selects a value list */
|
1698 |
int j, maxj; /* Number of loop iterations */
|
1699 |
int v; /* v selects a loop variable */
|
1700 |
int numLists; /* Count of value lists */
|
1701 |
Tcl_Obj *bodyPtr;
|
1702 |
|
1703 |
/*
|
1704 |
* We copy the argument object pointers into a local array to avoid
|
1705 |
* the problem that "objv" might become invalid. It is a pointer into
|
1706 |
* the evaluation stack and that stack might be grown and reallocated
|
1707 |
* if the loop body requires a large amount of stack space.
|
1708 |
*/
|
1709 |
|
1710 |
#define NUM_ARGS 9
|
1711 |
Tcl_Obj *(argObjStorage[NUM_ARGS]);
|
1712 |
Tcl_Obj **argObjv = argObjStorage;
|
1713 |
|
1714 |
#define STATIC_LIST_SIZE 4
|
1715 |
int indexArray[STATIC_LIST_SIZE]; /* Array of value list indices */
|
1716 |
int varcListArray[STATIC_LIST_SIZE]; /* # loop variables per list */
|
1717 |
Tcl_Obj **varvListArray[STATIC_LIST_SIZE]; /* Array of var name lists */
|
1718 |
int argcListArray[STATIC_LIST_SIZE]; /* Array of value list sizes */
|
1719 |
Tcl_Obj **argvListArray[STATIC_LIST_SIZE]; /* Array of value lists */
|
1720 |
|
1721 |
int *index = indexArray;
|
1722 |
int *varcList = varcListArray;
|
1723 |
Tcl_Obj ***varvList = varvListArray;
|
1724 |
int *argcList = argcListArray;
|
1725 |
Tcl_Obj ***argvList = argvListArray;
|
1726 |
|
1727 |
if (objc < 4 || (objc%2 != 0)) {
|
1728 |
Tcl_WrongNumArgs(interp, 1, objv,
|
1729 |
"varList list ?varList list ...? command");
|
1730 |
return TCL_ERROR;
|
1731 |
}
|
1732 |
|
1733 |
/*
|
1734 |
* Create the object argument array "argObjv". Make sure argObjv is
|
1735 |
* large enough to hold the objc arguments.
|
1736 |
*/
|
1737 |
|
1738 |
if (objc > NUM_ARGS) {
|
1739 |
argObjv = (Tcl_Obj **) ckalloc(objc * sizeof(Tcl_Obj *));
|
1740 |
}
|
1741 |
for (i = 0; i < objc; i++) {
|
1742 |
argObjv[i] = objv[i];
|
1743 |
}
|
1744 |
|
1745 |
/*
|
1746 |
* Manage numList parallel value lists.
|
1747 |
* argvList[i] is a value list counted by argcList[i]
|
1748 |
* varvList[i] is the list of variables associated with the value list
|
1749 |
* varcList[i] is the number of variables associated with the value list
|
1750 |
* index[i] is the current pointer into the value list argvList[i]
|
1751 |
*/
|
1752 |
|
1753 |
numLists = (objc-2)/2;
|
1754 |
if (numLists > STATIC_LIST_SIZE) {
|
1755 |
index = (int *) ckalloc(numLists * sizeof(int));
|
1756 |
varcList = (int *) ckalloc(numLists * sizeof(int));
|
1757 |
varvList = (Tcl_Obj ***) ckalloc(numLists * sizeof(Tcl_Obj **));
|
1758 |
argcList = (int *) ckalloc(numLists * sizeof(int));
|
1759 |
argvList = (Tcl_Obj ***) ckalloc(numLists * sizeof(Tcl_Obj **));
|
1760 |
}
|
1761 |
for (i = 0; i < numLists; i++) {
|
1762 |
index[i] = 0;
|
1763 |
varcList[i] = 0;
|
1764 |
varvList[i] = (Tcl_Obj **) NULL;
|
1765 |
argcList[i] = 0;
|
1766 |
argvList[i] = (Tcl_Obj **) NULL;
|
1767 |
}
|
1768 |
|
1769 |
/*
|
1770 |
* Break up the value lists and variable lists into elements
|
1771 |
*/
|
1772 |
|
1773 |
maxj = 0;
|
1774 |
for (i = 0; i < numLists; i++) {
|
1775 |
result = Tcl_ListObjGetElements(interp, argObjv[1+i*2],
|
1776 |
&varcList[i], &varvList[i]);
|
1777 |
if (result != TCL_OK) {
|
1778 |
goto done;
|
1779 |
}
|
1780 |
if (varcList[i] < 1) {
|
1781 |
Tcl_AppendToObj(Tcl_GetObjResult(interp),
|
1782 |
"foreach varlist is empty", -1);
|
1783 |
result = TCL_ERROR;
|
1784 |
goto done;
|
1785 |
}
|
1786 |
|
1787 |
result = Tcl_ListObjGetElements(interp, argObjv[2+i*2],
|
1788 |
&argcList[i], &argvList[i]);
|
1789 |
if (result != TCL_OK) {
|
1790 |
goto done;
|
1791 |
}
|
1792 |
|
1793 |
j = argcList[i] / varcList[i];
|
1794 |
if ((argcList[i] % varcList[i]) != 0) {
|
1795 |
j++;
|
1796 |
}
|
1797 |
if (j > maxj) {
|
1798 |
maxj = j;
|
1799 |
}
|
1800 |
}
|
1801 |
|
1802 |
/*
|
1803 |
* Iterate maxj times through the lists in parallel
|
1804 |
* If some value lists run out of values, set loop vars to ""
|
1805 |
*/
|
1806 |
|
1807 |
bodyPtr = argObjv[objc-1];
|
1808 |
for (j = 0; j < maxj; j++) {
|
1809 |
for (i = 0; i < numLists; i++) {
|
1810 |
/*
|
1811 |
* If a variable or value list object has been converted to
|
1812 |
* another kind of Tcl object, convert it back to a list object
|
1813 |
* and refetch the pointer to its element array.
|
1814 |
*/
|
1815 |
|
1816 |
if (argObjv[1+i*2]->typePtr != &tclListType) {
|
1817 |
result = Tcl_ListObjGetElements(interp, argObjv[1+i*2],
|
1818 |
&varcList[i], &varvList[i]);
|
1819 |
if (result != TCL_OK) {
|
1820 |
panic("Tcl_ForeachObjCmd: could not reconvert variable list %d to a list object\n", i);
|
1821 |
}
|
1822 |
}
|
1823 |
if (argObjv[2+i*2]->typePtr != &tclListType) {
|
1824 |
result = Tcl_ListObjGetElements(interp, argObjv[2+i*2],
|
1825 |
&argcList[i], &argvList[i]);
|
1826 |
if (result != TCL_OK) {
|
1827 |
panic("Tcl_ForeachObjCmd: could not reconvert value list %d to a list object\n", i);
|
1828 |
}
|
1829 |
}
|
1830 |
|
1831 |
for (v = 0; v < varcList[i]; v++) {
|
1832 |
int k = index[i]++;
|
1833 |
Tcl_Obj *valuePtr, *varValuePtr;
|
1834 |
int isEmptyObj = 0;
|
1835 |
|
1836 |
if (k < argcList[i]) {
|
1837 |
valuePtr = argvList[i][k];
|
1838 |
} else {
|
1839 |
valuePtr = Tcl_NewObj(); /* empty string */
|
1840 |
isEmptyObj = 1;
|
1841 |
}
|
1842 |
varValuePtr = Tcl_ObjSetVar2(interp, varvList[i][v],
|
1843 |
NULL, valuePtr, 0);
|
1844 |
if (varValuePtr == NULL) {
|
1845 |
if (isEmptyObj) {
|
1846 |
Tcl_DecrRefCount(valuePtr);
|
1847 |
}
|
1848 |
Tcl_ResetResult(interp);
|
1849 |
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
|
1850 |
"couldn't set loop variable: \"",
|
1851 |
Tcl_GetString(varvList[i][v]), "\"", (char *) NULL);
|
1852 |
result = TCL_ERROR;
|
1853 |
goto done;
|
1854 |
}
|
1855 |
|
1856 |
}
|
1857 |
}
|
1858 |
|
1859 |
result = Tcl_EvalObjEx(interp, bodyPtr, 0);
|
1860 |
if (result != TCL_OK) {
|
1861 |
if (result == TCL_CONTINUE) {
|
1862 |
result = TCL_OK;
|
1863 |
} else if (result == TCL_BREAK) {
|
1864 |
result = TCL_OK;
|
1865 |
break;
|
1866 |
} else if (result == TCL_ERROR) {
|
1867 |
char msg[32 + TCL_INTEGER_SPACE];
|
1868 |
|
1869 |
sprintf(msg, "\n (\"foreach\" body line %d)",
|
1870 |
interp->errorLine);
|
1871 |
Tcl_AddObjErrorInfo(interp, msg, -1);
|
1872 |
break;
|
1873 |
} else {
|
1874 |
break;
|
1875 |
}
|
1876 |
}
|
1877 |
}
|
1878 |
if (result == TCL_OK) {
|
1879 |
Tcl_ResetResult(interp);
|
1880 |
}
|
1881 |
|
1882 |
done:
|
1883 |
if (numLists > STATIC_LIST_SIZE) {
|
1884 |
ckfree((char *) index);
|
1885 |
ckfree((char *) varcList);
|
1886 |
ckfree((char *) argcList);
|
1887 |
ckfree((char *) varvList);
|
1888 |
ckfree((char *) argvList);
|
1889 |
}
|
1890 |
if (argObjv != argObjStorage) {
|
1891 |
ckfree((char *) argObjv);
|
1892 |
}
|
1893 |
return result;
|
1894 |
#undef STATIC_LIST_SIZE
|
1895 |
#undef NUM_ARGS
|
1896 |
}
|
1897 |
|
1898 |
/*
|
1899 |
*----------------------------------------------------------------------
|
1900 |
*
|
1901 |
* Tcl_FormatObjCmd --
|
1902 |
*
|
1903 |
* This procedure is invoked to process the "format" Tcl command.
|
1904 |
* See the user documentation for details on what it does.
|
1905 |
*
|
1906 |
* Results:
|
1907 |
* A standard Tcl result.
|
1908 |
*
|
1909 |
* Side effects:
|
1910 |
* See the user documentation.
|
1911 |
*
|
1912 |
*----------------------------------------------------------------------
|
1913 |
*/
|
1914 |
|
1915 |
/* ARGSUSED */
|
1916 |
int
|
1917 |
Tcl_FormatObjCmd(dummy, interp, objc, objv)
|
1918 |
ClientData dummy; /* Not used. */
|
1919 |
Tcl_Interp *interp; /* Current interpreter. */
|
1920 |
int objc; /* Number of arguments. */
|
1921 |
Tcl_Obj *CONST objv[]; /* Argument objects. */
|
1922 |
{
|
1923 |
char *format; /* Used to read characters from the format
|
1924 |
* string. */
|
1925 |
int formatLen; /* The length of the format string */
|
1926 |
char *endPtr; /* Points to the last char in format array */
|
1927 |
char newFormat[40]; /* A new format specifier is generated here. */
|
1928 |
int width; /* Field width from field specifier, or 0 if
|
1929 |
* no width given. */
|
1930 |
int precision; /* Field precision from field specifier, or 0
|
1931 |
* if no precision given. */
|
1932 |
int size; /* Number of bytes needed for result of
|
1933 |
* conversion, based on type of conversion
|
1934 |
* ("e", "s", etc.), width, and precision. */
|
1935 |
int intValue; /* Used to hold value to pass to sprintf, if
|
1936 |
* it's a one-word integer or char value */
|
1937 |
char *ptrValue = NULL; /* Used to hold value to pass to sprintf, if
|
1938 |
* it's a one-word value. */
|
1939 |
double doubleValue; /* Used to hold value to pass to sprintf if
|
1940 |
* it's a double value. */
|
1941 |
int whichValue; /* Indicates which of intValue, ptrValue,
|
1942 |
* or doubleValue has the value to pass to
|
1943 |
* sprintf, according to the following
|
1944 |
* definitions: */
|
1945 |
# define INT_VALUE 0
|
1946 |
# define CHAR_VALUE 1
|
1947 |
# define PTR_VALUE 2
|
1948 |
# define DOUBLE_VALUE 3
|
1949 |
# define STRING_VALUE 4
|
1950 |
# define MAX_FLOAT_SIZE 320
|
1951 |
|
1952 |
Tcl_Obj *resultPtr; /* Where result is stored finally. */
|
1953 |
char staticBuf[MAX_FLOAT_SIZE + 1];
|
1954 |
/* A static buffer to copy the format results
|
1955 |
* into */
|
1956 |
char *dst = staticBuf; /* The buffer that sprintf writes into each
|
1957 |
* time the format processes a specifier */
|
1958 |
int dstSize = MAX_FLOAT_SIZE;
|
1959 |
/* The size of the dst buffer */
|
1960 |
int noPercent; /* Special case for speed: indicates there's
|
1961 |
* no field specifier, just a string to copy.*/
|
1962 |
int objIndex; /* Index of argument to substitute next. */
|
1963 |
int gotXpg = 0; /* Non-zero means that an XPG3 %n$-style
|
1964 |
* specifier has been seen. */
|
1965 |
int gotSequential = 0; /* Non-zero means that a regular sequential
|
1966 |
* (non-XPG3) conversion specifier has been
|
1967 |
* seen. */
|
1968 |
int useShort; /* Value to be printed is short (half word). */
|
1969 |
char *end; /* Used to locate end of numerical fields. */
|
1970 |
int stringLen = 0; /* Length of string in characters rather
|
1971 |
* than bytes. Used for %s substitution. */
|
1972 |
int gotMinus; /* Non-zero indicates that a minus flag has
|
1973 |
* been seen in the current field. */
|
1974 |
int gotPrecision; /* Non-zero indicates that a precision has
|
1975 |
* been set for the current field. */
|
1976 |
int gotZero; /* Non-zero indicates that a zero flag has
|
1977 |
* been seen in the current field. */
|
1978 |
|
1979 |
/*
|
1980 |
* This procedure is a bit nasty. The goal is to use sprintf to
|
1981 |
* do most of the dirty work. There are several problems:
|
1982 |
* 1. this procedure can't trust its arguments.
|
1983 |
* 2. we must be able to provide a large enough result area to hold
|
1984 |
* whatever's generated. This is hard to estimate.
|
1985 |
* 3. there's no way to move the arguments from objv to the call
|
1986 |
* to sprintf in a reasonable way. This is particularly nasty
|
1987 |
* because some of the arguments may be two-word values (doubles).
|
1988 |
* So, what happens here is to scan the format string one % group
|
1989 |
* at a time, making many individual calls to sprintf.
|
1990 |
*/
|
1991 |
|
1992 |
if (objc < 2) {
|
1993 |
Tcl_WrongNumArgs(interp, 1, objv, "formatString ?arg arg ...?");
|
1994 |
return TCL_ERROR;
|
1995 |
}
|
1996 |
|
1997 |
format = (char *) Tcl_GetStringFromObj(objv[1], &formatLen);
|
1998 |
endPtr = format + formatLen;
|
1999 |
resultPtr = Tcl_NewObj();
|
2000 |
objIndex = 2;
|
2001 |
|
2002 |
while (format < endPtr) {
|
2003 |
register char *newPtr = newFormat;
|
2004 |
|
2005 |
width = precision = noPercent = useShort = 0;
|
2006 |
gotZero = gotMinus = gotPrecision = 0;
|
2007 |
whichValue = PTR_VALUE;
|
2008 |
|
2009 |
/*
|
2010 |
* Get rid of any characters before the next field specifier.
|
2011 |
*/
|
2012 |
if (*format != '%') {
|
2013 |
ptrValue = format;
|
2014 |
while ((*format != '%') && (format < endPtr)) {
|
2015 |
format++;
|
2016 |
}
|
2017 |
size = format - ptrValue;
|
2018 |
noPercent = 1;
|
2019 |
goto doField;
|
2020 |
}
|
2021 |
|
2022 |
if (format[1] == '%') {
|
2023 |
ptrValue = format;
|
2024 |
size = 1;
|
2025 |
noPercent = 1;
|
2026 |
format += 2;
|
2027 |
goto doField;
|
2028 |
}
|
2029 |
|
2030 |
/*
|
2031 |
* Parse off a field specifier, compute how many characters
|
2032 |
* will be needed to store the result, and substitute for
|
2033 |
* "*" size specifiers.
|
2034 |
*/
|
2035 |
*newPtr = '%';
|
2036 |
newPtr++;
|
2037 |
format++;
|
2038 |
if (isdigit(UCHAR(*format))) { /* INTL: Tcl source. */
|
2039 |
int tmp;
|
2040 |
|
2041 |
/*
|
2042 |
* Check for an XPG3-style %n$ specification. Note: there
|
2043 |
* must not be a mixture of XPG3 specs and non-XPG3 specs
|
2044 |
* in the same format string.
|
2045 |
*/
|
2046 |
|
2047 |
tmp = strtoul(format, &end, 10); /* INTL: "C" locale. */
|
2048 |
if (*end != '$') {
|
2049 |
goto notXpg;
|
2050 |
}
|
2051 |
format = end+1;
|
2052 |
gotXpg = 1;
|
2053 |
if (gotSequential) {
|
2054 |
goto mixedXPG;
|
2055 |
}
|
2056 |
objIndex = tmp+1;
|
2057 |
if ((objIndex < 2) || (objIndex >= objc)) {
|
2058 |
goto badIndex;
|
2059 |
}
|
2060 |
goto xpgCheckDone;
|
2061 |
}
|
2062 |
|
2063 |
notXpg:
|
2064 |
gotSequential = 1;
|
2065 |
if (gotXpg) {
|
2066 |
goto mixedXPG;
|
2067 |
}
|
2068 |
|
2069 |
xpgCheckDone:
|
2070 |
while ((*format == '-') || (*format == '#') || (*format == '0')
|
2071 |
|| (*format == ' ') || (*format == '+')) {
|
2072 |
if (*format == '-') {
|
2073 |
gotMinus = 1;
|
2074 |
}
|
2075 |
if (*format == '0') {
|
2076 |
/*
|
2077 |
* This will be handled by sprintf for numbers, but we
|
2078 |
* need to do the char/string ones ourselves
|
2079 |
*/
|
2080 |
gotZero = 1;
|
2081 |
}
|
2082 |
*newPtr = *format;
|
2083 |
newPtr++;
|
2084 |
format++;
|
2085 |
}
|
2086 |
if (isdigit(UCHAR(*format))) { /* INTL: Tcl source. */
|
2087 |
width = strtoul(format, &end, 10); /* INTL: Tcl source. */
|
2088 |
format = end;
|
2089 |
} else if (*format == '*') {
|
2090 |
if (objIndex >= objc) {
|
2091 |
goto badIndex;
|
2092 |
}
|
2093 |
if (Tcl_GetIntFromObj(interp, /* INTL: Tcl source. */
|
2094 |
objv[objIndex], &width) != TCL_OK) {
|
2095 |
goto fmtError;
|
2096 |
}
|
2097 |
if (width < 0) {
|
2098 |
width = -width;
|
2099 |
*newPtr = '-';
|
2100 |
gotMinus = 1;
|
2101 |
newPtr++;
|
2102 |
}
|
2103 |
objIndex++;
|
2104 |
format++;
|
2105 |
}
|
2106 |
if (width > 100000) {
|
2107 |
/*
|
2108 |
* Don't allow arbitrarily large widths: could cause core
|
2109 |
* dump when we try to allocate a zillion bytes of memory
|
2110 |
* below.
|
2111 |
*/
|
2112 |
|
2113 |
width = 100000;
|
2114 |
} else if (width < 0) {
|
2115 |
width = 0;
|
2116 |
}
|
2117 |
if (width != 0) {
|
2118 |
TclFormatInt(newPtr, width); /* INTL: printf format. */
|
2119 |
while (*newPtr != 0) {
|
2120 |
newPtr++;
|
2121 |
}
|
2122 |
}
|
2123 |
if (*format == '.') {
|
2124 |
*newPtr = '.';
|
2125 |
newPtr++;
|
2126 |
format++;
|
2127 |
gotPrecision = 1;
|
2128 |
}
|
2129 |
if (isdigit(UCHAR(*format))) { /* INTL: Tcl source. */
|
2130 |
precision = strtoul(format, &end, 10); /* INTL: "C" locale. */
|
2131 |
format = end;
|
2132 |
} else if (*format == '*') {
|
2133 |
if (objIndex >= objc) {
|
2134 |
goto badIndex;
|
2135 |
}
|
2136 |
if (Tcl_GetIntFromObj(interp, /* INTL: Tcl source. */
|
2137 |
objv[objIndex], &precision) != TCL_OK) {
|
2138 |
goto fmtError;
|
2139 |
}
|
2140 |
objIndex++;
|
2141 |
format++;
|
2142 |
}
|
2143 |
if (gotPrecision) {
|
2144 |
TclFormatInt(newPtr, precision); /* INTL: printf format. */
|
2145 |
while (*newPtr != 0) {
|
2146 |
newPtr++;
|
2147 |
}
|
2148 |
}
|
2149 |
if (*format == 'l') {
|
2150 |
format++;
|
2151 |
} else if (*format == 'h') {
|
2152 |
useShort = 1;
|
2153 |
*newPtr = 'h';
|
2154 |
newPtr++;
|
2155 |
format++;
|
2156 |
}
|
2157 |
*newPtr = *format;
|
2158 |
newPtr++;
|
2159 |
*newPtr = 0;
|
2160 |
if (objIndex >= objc) {
|
2161 |
goto badIndex;
|
2162 |
}
|
2163 |
switch (*format) {
|
2164 |
case 'i':
|
2165 |
newPtr[-1] = 'd';
|
2166 |
case 'd':
|
2167 |
case 'o':
|
2168 |
case 'u':
|
2169 |
case 'x':
|
2170 |
case 'X':
|
2171 |
if (Tcl_GetIntFromObj(interp, /* INTL: Tcl source. */
|
2172 |
objv[objIndex], &intValue) != TCL_OK) {
|
2173 |
goto fmtError;
|
2174 |
}
|
2175 |
whichValue = INT_VALUE;
|
2176 |
size = 40 + precision;
|
2177 |
break;
|
2178 |
case 's':
|
2179 |
/*
|
2180 |
* Compute the length of the string in characters and add
|
2181 |
* any additional space required by the field width. All of
|
2182 |
* the extra characters will be spaces, so one byte per
|
2183 |
* character is adequate.
|
2184 |
*/
|
2185 |
|
2186 |
whichValue = STRING_VALUE;
|
2187 |
ptrValue = Tcl_GetStringFromObj(objv[objIndex], &size);
|
2188 |
stringLen = Tcl_NumUtfChars(ptrValue, size);
|
2189 |
if (gotPrecision && (precision < stringLen)) {
|
2190 |
stringLen = precision;
|
2191 |
}
|
2192 |
size = Tcl_UtfAtIndex(ptrValue, stringLen) - ptrValue;
|
2193 |
if (width > stringLen) {
|
2194 |
size += (width - stringLen);
|
2195 |
}
|
2196 |
break;
|
2197 |
case 'c':
|
2198 |
if (Tcl_GetIntFromObj(interp, /* INTL: Tcl source. */
|
2199 |
objv[objIndex], &intValue) != TCL_OK) {
|
2200 |
goto fmtError;
|
2201 |
}
|
2202 |
whichValue = CHAR_VALUE;
|
2203 |
size = width + TCL_UTF_MAX;
|
2204 |
break;
|
2205 |
case 'e':
|
2206 |
case 'E':
|
2207 |
case 'f':
|
2208 |
case 'g':
|
2209 |
case 'G':
|
2210 |
if (Tcl_GetDoubleFromObj(interp, /* INTL: Tcl source. */
|
2211 |
objv[objIndex], &doubleValue) != TCL_OK) {
|
2212 |
goto fmtError;
|
2213 |
}
|
2214 |
whichValue = DOUBLE_VALUE;
|
2215 |
size = MAX_FLOAT_SIZE;
|
2216 |
if (precision > 10) {
|
2217 |
size += precision;
|
2218 |
}
|
2219 |
break;
|
2220 |
case 0:
|
2221 |
Tcl_SetResult(interp,
|
2222 |
"format string ended in middle of field specifier",
|
2223 |
TCL_STATIC);
|
2224 |
goto fmtError;
|
2225 |
default: {
|
2226 |
char buf[40];
|
2227 |
sprintf(buf, "bad field specifier \"%c\"", *format);
|
2228 |
Tcl_SetResult(interp, buf, TCL_VOLATILE);
|
2229 |
goto fmtError;
|
2230 |
}
|
2231 |
}
|
2232 |
objIndex++;
|
2233 |
format++;
|
2234 |
|
2235 |
/*
|
2236 |
* Make sure that there's enough space to hold the formatted
|
2237 |
* result, then format it.
|
2238 |
*/
|
2239 |
|
2240 |
doField:
|
2241 |
if (width > size) {
|
2242 |
size = width;
|
2243 |
}
|
2244 |
if (noPercent) {
|
2245 |
Tcl_AppendToObj(resultPtr, ptrValue, size);
|
2246 |
} else {
|
2247 |
if (size > dstSize) {
|
2248 |
if (dst != staticBuf) {
|
2249 |
ckfree(dst);
|
2250 |
}
|
2251 |
dst = (char *) ckalloc((unsigned) (size + 1));
|
2252 |
dstSize = size;
|
2253 |
}
|
2254 |
switch (whichValue) {
|
2255 |
case DOUBLE_VALUE: {
|
2256 |
sprintf(dst, newFormat, doubleValue); /* INTL: user locale. */
|
2257 |
break;
|
2258 |
}
|
2259 |
case INT_VALUE: {
|
2260 |
if (useShort) {
|
2261 |
sprintf(dst, newFormat, (short) intValue);
|
2262 |
} else {
|
2263 |
sprintf(dst, newFormat, intValue);
|
2264 |
}
|
2265 |
break;
|
2266 |
}
|
2267 |
case CHAR_VALUE: {
|
2268 |
char *ptr;
|
2269 |
char padChar = (gotZero ? '0' : ' ');
|
2270 |
ptr = dst;
|
2271 |
if (!gotMinus) {
|
2272 |
for ( ; --width > 0; ptr++) {
|
2273 |
*ptr = padChar;
|
2274 |
}
|
2275 |
}
|
2276 |
ptr += Tcl_UniCharToUtf(intValue, ptr);
|
2277 |
for ( ; --width > 0; ptr++) {
|
2278 |
*ptr = padChar;
|
2279 |
}
|
2280 |
*ptr = '\0';
|
2281 |
break;
|
2282 |
}
|
2283 |
case STRING_VALUE: {
|
2284 |
char *ptr;
|
2285 |
char padChar = (gotZero ? '0' : ' ');
|
2286 |
int pad;
|
2287 |
|
2288 |
ptr = dst;
|
2289 |
if (width > stringLen) {
|
2290 |
pad = width - stringLen;
|
2291 |
} else {
|
2292 |
pad = 0;
|
2293 |
}
|
2294 |
|
2295 |
if (!gotMinus) {
|
2296 |
while (pad > 0) {
|
2297 |
*ptr++ = padChar;
|
2298 |
pad--;
|
2299 |
}
|
2300 |
}
|
2301 |
|
2302 |
size = Tcl_UtfAtIndex(ptrValue, stringLen) - ptrValue;
|
2303 |
if (size) {
|
2304 |
memcpy(ptr, ptrValue, (size_t) size);
|
2305 |
ptr += size;
|
2306 |
}
|
2307 |
while (pad > 0) {
|
2308 |
*ptr++ = padChar;
|
2309 |
pad--;
|
2310 |
}
|
2311 |
*ptr = '\0';
|
2312 |
break;
|
2313 |
}
|
2314 |
default: {
|
2315 |
sprintf(dst, newFormat, ptrValue);
|
2316 |
break;
|
2317 |
}
|
2318 |
}
|
2319 |
Tcl_AppendToObj(resultPtr, dst, -1);
|
2320 |
}
|
2321 |
}
|
2322 |
|
2323 |
Tcl_SetObjResult(interp, resultPtr);
|
2324 |
if(dst != staticBuf) {
|
2325 |
ckfree(dst);
|
2326 |
}
|
2327 |
return TCL_OK;
|
2328 |
|
2329 |
mixedXPG:
|
2330 |
Tcl_SetResult(interp,
|
2331 |
"cannot mix \"%\" and \"%n$\" conversion specifiers", TCL_STATIC);
|
2332 |
goto fmtError;
|
2333 |
|
2334 |
badIndex:
|
2335 |
if (gotXpg) {
|
2336 |
Tcl_SetResult(interp,
|
2337 |
"\"%n$\" argument index out of range", TCL_STATIC);
|
2338 |
} else {
|
2339 |
Tcl_SetResult(interp,
|
2340 |
"not enough arguments for all format specifiers", TCL_STATIC);
|
2341 |
}
|
2342 |
|
2343 |
fmtError:
|
2344 |
if(dst != staticBuf) {
|
2345 |
ckfree(dst);
|
2346 |
}
|
2347 |
Tcl_DecrRefCount(resultPtr);
|
2348 |
return TCL_ERROR;
|
2349 |
}
|
2350 |
|
2351 |
/*
|
2352 |
*---------------------------------------------------------------------------
|
2353 |
*
|
2354 |
* StringifyObjects --
|
2355 |
*
|
2356 |
* Helper function to bridge the gap between an object-based procedure
|
2357 |
* and an older string-based procedure.
|
2358 |
*
|
2359 |
* Given an array of objects, allocate an array that consists of the
|
2360 |
* string representations of those objects.
|
2361 |
*
|
2362 |
* Results:
|
2363 |
* The return value is a pointer to the newly allocated array of
|
2364 |
* strings. Elements 0 to (objc-1) of the string array point to the
|
2365 |
* string representation of the corresponding element in the source
|
2366 |
* object array; element objc of the string array is NULL.
|
2367 |
*
|
2368 |
* Side effects:
|
2369 |
* Memory allocated. The caller must eventually free this memory
|
2370 |
* by calling ckfree() on the return value.
|
2371 |
*
|
2372 |
*---------------------------------------------------------------------------
|
2373 |
*/
|
2374 |
|
2375 |
static char **
|
2376 |
StringifyObjects(objc, objv)
|
2377 |
int objc; /* Number of arguments. */
|
2378 |
Tcl_Obj *CONST objv[]; /* Argument objects. */
|
2379 |
{
|
2380 |
int i;
|
2381 |
char **argv;
|
2382 |
|
2383 |
argv = (char **) ckalloc((objc + 1) * sizeof(char *));
|
2384 |
for (i = 0; i < objc; i++) {
|
2385 |
argv[i] = Tcl_GetString(objv[i]);
|
2386 |
}
|
2387 |
argv[i] = NULL;
|
2388 |
return argv;
|
2389 |
}
|
2390 |
|
2391 |
|
2392 |
/* $History: tclcmdah.c $
|
2393 |
*
|
2394 |
* ***************** Version 1 *****************
|
2395 |
* User: Dtashley Date: 1/02/01 Time: 1:28a
|
2396 |
* Created in $/IjuScripter, IjuConsole/Source/Tcl Base
|
2397 |
* Initial check-in.
|
2398 |
*/
|
2399 |
|
2400 |
/* End of TCLCMDAH.C */ |