forked from EliasOenal/multimon-ng
-
Notifications
You must be signed in to change notification settings - Fork 0
/
win32_getopt.c
executable file
·556 lines (502 loc) · 14.5 KB
/
win32_getopt.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
/* Getopt for GNU.
NOTE: getopt is part of the C library, so if you don't know what
"Keep this file name-space clean" means, talk to drepper@gnu.org
before changing it!
Copyright (C) 1987-1996,1998-2004,2008,2009,2010
Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
/* Getopt for Microsoft C
This code is a modification of the Free Software Foundation, Inc.
Getopt library for parsing command line argument the purpose was
to provide a Microsoft Visual C friendly derivative. This code
provides functionality for both Unicode and Multibyte builds.
Date: 02/03/2011 - Ludvik Jerabek - Initial Release
Version: 1.0
Comment: Supports getopt, getopt_long, and getopt_long_only
and POSIXLY_CORRECT environment flag
License: LGPL
Revisions:
02/03/2011 - Ludvik Jerabek - Initial Release
02/20/2011 - Ludvik Jerabek - Fixed compiler warnings at Level 4
07/05/2011 - Ludvik Jerabek - Added no_argument, required_argument, optional_argument defs
08/03/2011 - Ludvik Jerabek - Fixed non-argument runtime bug which caused runtime exception
08/09/2011 - Ludvik Jerabek - Added code to export functions for DLL and LIB
02/15/2012 - Ludvik Jerabek - Fixed _GETOPT_THROW definition missing in implementation file
**DISCLAIMER**
THIS MATERIAL IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING, BUT Not LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE, OR NON-INFRINGEMENT. SOME JURISDICTIONS DO NOT ALLOW THE
EXCLUSION OF IMPLIED WARRANTIES, SO THE ABOVE EXCLUSION MAY NOT
APPLY TO YOU. IN NO EVENT WILL I BE LIABLE TO ANY PARTY FOR ANY
DIRECT, INDIRECT, SPECIAL OR OTHER CONSEQUENTIAL DAMAGES FOR ANY
USE OF THIS MATERIAL INCLUDING, WITHOUT LIMITATION, ANY LOST
PROFITS, BUSINESS INTERRUPTION, LOSS OF PROGRAMS OR OTHER DATA ON
YOUR INFORMATION HANDLING SYSTEM OR OTHERWISE, EVEN If WE ARE
EXPRESSLY ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*/
#define _CRT_SECURE_NO_WARNINGS
#include <stdlib.h>
#include <stdio.h>
#include "win32_getopt.h"
#ifdef __cplusplus
#define _GETOPT_THROW throw()
#else
#define _GETOPT_THROW
#endif
enum ENUM_ORDERING { REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER };
struct _getopt_data
{
int optind;
int opterr;
int optopt;
TCHAR *optarg;
int __initialized;
TCHAR *__nextchar;
int __ordering;
int __posixly_correct;
int __first_nonopt;
int __last_nonopt;
};
static struct _getopt_data getopt_data;
TCHAR *optarg;
int optind = 1;
int opterr = 1;
int optopt = _T('?');
static void exchange(TCHAR **argv, struct _getopt_data *d)
{
int bottom = d->__first_nonopt;
int middle = d->__last_nonopt;
int top = d->optind;
TCHAR *tem;
while (top > middle && middle > bottom)
{
if (top - middle > middle - bottom)
{
int len = middle - bottom;
register int i;
for (i = 0; i < len; i++)
{
tem = argv[bottom + i];
argv[bottom + i] = argv[top - (middle - bottom) + i];
argv[top - (middle - bottom) + i] = tem;
}
top -= len;
}
else
{
int len = top - middle;
register int i;
for (i = 0; i < len; i++)
{
tem = argv[bottom + i];
argv[bottom + i] = argv[middle + i];
argv[middle + i] = tem;
}
bottom += len;
}
}
d->__first_nonopt += (d->optind - d->__last_nonopt);
d->__last_nonopt = d->optind;
}
static const TCHAR *_getopt_initialize (const TCHAR *optstring, struct _getopt_data *d, int posixly_correct)
{
d->__first_nonopt = d->__last_nonopt = d->optind;
d->__nextchar = NULL;
d->__posixly_correct = posixly_correct | !!_tgetenv(_T("POSIXLY_CORRECT"));
if (optstring[0] == _T('-'))
{
d->__ordering = RETURN_IN_ORDER;
++optstring;
}
else if (optstring[0] == _T('+'))
{
d->__ordering = REQUIRE_ORDER;
++optstring;
}
else if (d->__posixly_correct)
d->__ordering = REQUIRE_ORDER;
else
d->__ordering = PERMUTE;
return optstring;
}
int _getopt_internal_r (int argc, TCHAR *const *argv, const TCHAR *optstring, const struct option *longopts, int *longind, int long_only, struct _getopt_data *d, int posixly_correct)
{
int print_errors = d->opterr;
if (argc < 1)
return -1;
d->optarg = NULL;
if (d->optind == 0 || !d->__initialized)
{
if (d->optind == 0)
d->optind = 1;
optstring = _getopt_initialize (optstring, d, posixly_correct);
d->__initialized = 1;
}
else if (optstring[0] == _T('-') || optstring[0] == _T('+'))
optstring++;
if (optstring[0] == _T(':'))
print_errors = 0;
if (d->__nextchar == NULL || *d->__nextchar == _T('\0'))
{
if (d->__last_nonopt > d->optind)
d->__last_nonopt = d->optind;
if (d->__first_nonopt > d->optind)
d->__first_nonopt = d->optind;
if (d->__ordering == PERMUTE)
{
if (d->__first_nonopt != d->__last_nonopt && d->__last_nonopt != d->optind)
exchange ((TCHAR **) argv, d);
else if (d->__last_nonopt != d->optind)
d->__first_nonopt = d->optind;
while (d->optind < argc && (argv[d->optind][0] != _T('-') || argv[d->optind][1] == _T('\0')))
d->optind++;
d->__last_nonopt = d->optind;
}
if (d->optind != argc && !_tcscmp(argv[d->optind], _T("--")))
{
d->optind++;
if (d->__first_nonopt != d->__last_nonopt && d->__last_nonopt != d->optind)
exchange ((TCHAR **) argv, d);
else if (d->__first_nonopt == d->__last_nonopt)
d->__first_nonopt = d->optind;
d->__last_nonopt = argc;
d->optind = argc;
}
if (d->optind == argc)
{
if (d->__first_nonopt != d->__last_nonopt)
d->optind = d->__first_nonopt;
return -1;
}
if ((argv[d->optind][0] != _T('-') || argv[d->optind][1] == _T('\0')))
{
if (d->__ordering == REQUIRE_ORDER)
return -1;
d->optarg = argv[d->optind++];
return 1;
}
d->__nextchar = (argv[d->optind] + 1 + (longopts != NULL && argv[d->optind][1] == _T('-')));
}
if (longopts != NULL && (argv[d->optind][1] == _T('-') || (long_only && (argv[d->optind][2] || !_tcschr(optstring, argv[d->optind][1])))))
{
TCHAR *nameend;
const struct option *p;
const struct option *pfound = NULL;
int exact = 0;
int ambig = 0;
int indfound = -1;
int option_index;
for (nameend = d->__nextchar; *nameend && *nameend != _T('='); nameend++);
for (p = longopts, option_index = 0; p->name; p++, option_index++)
if (!_tcsncmp(p->name, d->__nextchar, nameend - d->__nextchar))
{
if ((unsigned int)(nameend - d->__nextchar) == (unsigned int)_tcslen(p->name))
{
pfound = p;
indfound = option_index;
exact = 1;
break;
}
else if (pfound == NULL)
{
pfound = p;
indfound = option_index;
}
else if (long_only || pfound->has_arg != p->has_arg || pfound->flag != p->flag || pfound->val != p->val)
ambig = 1;
}
if (ambig && !exact)
{
if (print_errors)
{
_ftprintf(stderr, _T("%s: option '%s' is ambiguous\n"),
argv[0], argv[d->optind]);
}
d->__nextchar += _tcslen(d->__nextchar);
d->optind++;
d->optopt = 0;
return _T('?');
}
if (pfound != NULL)
{
option_index = indfound;
d->optind++;
if (*nameend)
{
if (pfound->has_arg)
d->optarg = nameend + 1;
else
{
if (print_errors)
{
if (argv[d->optind - 1][1] == _T('-'))
{
_ftprintf(stderr, _T("%s: option '--%s' doesn't allow an argument\n"),argv[0], pfound->name);
}
else
{
_ftprintf(stderr, _T("%s: option '%c%s' doesn't allow an argument\n"),argv[0], argv[d->optind - 1][0],pfound->name);
}
}
d->__nextchar += _tcslen(d->__nextchar);
d->optopt = pfound->val;
return _T('?');
}
}
else if (pfound->has_arg == 1)
{
if (d->optind < argc)
d->optarg = argv[d->optind++];
else
{
if (print_errors)
{
_ftprintf(stderr,_T("%s: option '--%s' requires an argument\n"),argv[0], pfound->name);
}
d->__nextchar += _tcslen(d->__nextchar);
d->optopt = pfound->val;
return optstring[0] == _T(':') ? _T(':') : _T('?');
}
}
d->__nextchar += _tcslen(d->__nextchar);
if (longind != NULL)
*longind = option_index;
if (pfound->flag)
{
*(pfound->flag) = pfound->val;
return 0;
}
return pfound->val;
}
if (!long_only || argv[d->optind][1] == _T('-') || _tcschr(optstring, *d->__nextchar) == NULL)
{
if (print_errors)
{
if (argv[d->optind][1] == _T('-'))
{
/* --option */
_ftprintf(stderr, _T("%s: unrecognized option '--%s'\n"),argv[0], d->__nextchar);
}
else
{
/* +option or -option */
_ftprintf(stderr, _T("%s: unrecognized option '%c%s'\n"),argv[0], argv[d->optind][0], d->__nextchar);
}
}
d->__nextchar = (TCHAR *)_T("");
d->optind++;
d->optopt = 0;
return _T('?');
}
}
{
TCHAR c = *d->__nextchar++;
TCHAR *temp = (TCHAR*)_tcschr(optstring, c);
if (*d->__nextchar == _T('\0'))
++d->optind;
if (temp == NULL || c == _T(':') || c == _T(';'))
{
if (print_errors)
{
_ftprintf(stderr, _T("%s: invalid option -- '%c'\n"), argv[0], c);
}
d->optopt = c;
return _T('?');
}
if (temp[0] == _T('W') && temp[1] == _T(';'))
{
TCHAR *nameend;
const struct option *p;
const struct option *pfound = NULL;
int exact = 0;
int ambig = 0;
int indfound = 0;
int option_index;
if (*d->__nextchar != _T('\0'))
{
d->optarg = d->__nextchar;
d->optind++;
}
else if (d->optind == argc)
{
if (print_errors)
{
_ftprintf(stderr,
_T("%s: option requires an argument -- '%c'\n"),
argv[0], c);
}
d->optopt = c;
if (optstring[0] == _T(':'))
c = _T(':');
else
c = _T('?');
return c;
}
else
d->optarg = argv[d->optind++];
for (d->__nextchar = nameend = d->optarg; *nameend && *nameend != _T('='); nameend++);
for (p = longopts, option_index = 0; p->name; p++, option_index++)
if (!_tcsncmp(p->name, d->__nextchar, nameend - d->__nextchar))
{
if ((unsigned int) (nameend - d->__nextchar) == _tcslen(p->name))
{
pfound = p;
indfound = option_index;
exact = 1;
break;
}
else if (pfound == NULL)
{
pfound = p;
indfound = option_index;
}
else if (long_only || pfound->has_arg != p->has_arg || pfound->flag != p->flag || pfound->val != p->val)
ambig = 1;
}
if (ambig && !exact)
{
if (print_errors)
{
_ftprintf(stderr, _T("%s: option '-W %s' is ambiguous\n"),
argv[0], d->optarg);
}
d->__nextchar += _tcslen(d->__nextchar);
d->optind++;
return _T('?');
}
if (pfound != NULL)
{
option_index = indfound;
if (*nameend)
{
if (pfound->has_arg)
d->optarg = nameend + 1;
else
{
if (print_errors)
{
_ftprintf(stderr, _T("\
%s: option '-W %s' doesn't allow an argument\n"),
argv[0], pfound->name);
}
d->__nextchar += _tcslen(d->__nextchar);
return _T('?');
}
}
else if (pfound->has_arg == 1)
{
if (d->optind < argc)
d->optarg = argv[d->optind++];
else
{
if (print_errors)
{
_ftprintf(stderr, _T("\
%s: option '-W %s' requires an argument\n"),
argv[0], pfound->name);
}
d->__nextchar += _tcslen(d->__nextchar);
return optstring[0] == _T(':') ? _T(':') : _T('?');
}
}
else
d->optarg = NULL;
d->__nextchar += _tcslen(d->__nextchar);
if (longind != NULL)
*longind = option_index;
if (pfound->flag)
{
*(pfound->flag) = pfound->val;
return 0;
}
return pfound->val;
}
d->__nextchar = NULL;
return _T('W');
}
if (temp[1] == _T(':'))
{
if (temp[2] == _T(':'))
{
if (*d->__nextchar != _T('\0'))
{
d->optarg = d->__nextchar;
d->optind++;
}
else
d->optarg = NULL;
d->__nextchar = NULL;
}
else
{
if (*d->__nextchar != _T('\0'))
{
d->optarg = d->__nextchar;
d->optind++;
}
else if (d->optind == argc)
{
if (print_errors)
{
_ftprintf(stderr,
_T("%s: option requires an argument -- '%c'\n"),
argv[0], c);
}
d->optopt = c;
if (optstring[0] == _T(':'))
c = _T(':');
else
c = _T('?');
}
else
d->optarg = argv[d->optind++];
d->__nextchar = NULL;
}
}
return c;
}
}
int _getopt_internal (int argc, TCHAR *const *argv, const TCHAR *optstring, const struct option *longopts, int *longind, int long_only, int posixly_correct)
{
int result;
getopt_data.optind = optind;
getopt_data.opterr = opterr;
result = _getopt_internal_r (argc, argv, optstring, longopts,longind, long_only, &getopt_data,posixly_correct);
optind = getopt_data.optind;
optarg = getopt_data.optarg;
optopt = getopt_data.optopt;
return result;
}
int getopt (int argc, TCHAR *const *argv, const TCHAR *optstring) _GETOPT_THROW
{
return _getopt_internal (argc, argv, optstring, (const struct option *) 0, (int *) 0, 0, 0);
}
int getopt_long (int argc, TCHAR *const *argv, const TCHAR *options, const struct option *long_options, int *opt_index) _GETOPT_THROW
{
return _getopt_internal (argc, argv, options, long_options, opt_index, 0, 0);
}
int _getopt_long_r (int argc, TCHAR *const *argv, const TCHAR *options, const struct option *long_options, int *opt_index, struct _getopt_data *d)
{
return _getopt_internal_r (argc, argv, options, long_options, opt_index,0, d, 0);
}
int getopt_long_only (int argc, TCHAR *const *argv, const TCHAR *options, const struct option *long_options, int *opt_index) _GETOPT_THROW
{
return _getopt_internal (argc, argv, options, long_options, opt_index, 1, 0);
}
int _getopt_long_only_r (int argc, TCHAR *const *argv, const TCHAR *options, const struct option *long_options, int *opt_index, struct _getopt_data *d)
{
return _getopt_internal_r (argc, argv, options, long_options, opt_index, 1, d, 0);
}