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
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
|
#ifndef __CURL_TYPECHECK_GCC_H
#define __CURL_TYPECHECK_GCC_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
/* wraps curl_easy_setopt() with typechecking */
/* To add a new kind of warning, add an
* if(_curl_is_sometype_option(_curl_opt))
* if(!_curl_is_sometype(value))
* _curl_easy_setopt_err_sometype();
* block and define _curl_is_sometype_option, _curl_is_sometype and
* _curl_easy_setopt_err_sometype below
*
* NOTE: We use two nested 'if' statements here instead of the && operator, in
* order to work around gcc bug #32061. It affects only gcc 4.3.x/4.4.x
* when compiling with -Wlogical-op.
*
* To add an option that uses the same type as an existing option, you'll just
* need to extend the appropriate _curl_*_option macro
*/
#define curl_easy_setopt(handle, option, value) \
__extension__ ({ \
__typeof__ (option) _curl_opt = option; \
if(__builtin_constant_p(_curl_opt)) { \
if(_curl_is_long_option(_curl_opt)) \
if(!_curl_is_long(value)) \
_curl_easy_setopt_err_long(); \
if(_curl_is_off_t_option(_curl_opt)) \
if(!_curl_is_off_t(value)) \
_curl_easy_setopt_err_curl_off_t(); \
if(_curl_is_string_option(_curl_opt)) \
if(!_curl_is_string(value)) \
_curl_easy_setopt_err_string(); \
if(_curl_is_write_cb_option(_curl_opt)) \
if(!_curl_is_write_cb(value)) \
_curl_easy_setopt_err_write_callback(); \
if((_curl_opt) == CURLOPT_READFUNCTION) \
if(!_curl_is_read_cb(value)) \
_curl_easy_setopt_err_read_cb(); \
if((_curl_opt) == CURLOPT_IOCTLFUNCTION) \
if(!_curl_is_ioctl_cb(value)) \
_curl_easy_setopt_err_ioctl_cb(); \
if((_curl_opt) == CURLOPT_SOCKOPTFUNCTION) \
if(!_curl_is_sockopt_cb(value)) \
_curl_easy_setopt_err_sockopt_cb(); \
if((_curl_opt) == CURLOPT_OPENSOCKETFUNCTION) \
if(!_curl_is_opensocket_cb(value)) \
_curl_easy_setopt_err_opensocket_cb(); \
if((_curl_opt) == CURLOPT_PROGRESSFUNCTION) \
if(!_curl_is_progress_cb(value)) \
_curl_easy_setopt_err_progress_cb(); \
if((_curl_opt) == CURLOPT_DEBUGFUNCTION) \
if(!_curl_is_debug_cb(value)) \
_curl_easy_setopt_err_debug_cb(); \
if((_curl_opt) == CURLOPT_SSL_CTX_FUNCTION) \
if(!_curl_is_ssl_ctx_cb(value)) \
_curl_easy_setopt_err_ssl_ctx_cb(); \
if(_curl_is_conv_cb_option(_curl_opt)) \
if(!_curl_is_conv_cb(value)) \
_curl_easy_setopt_err_conv_cb(); \
if((_curl_opt) == CURLOPT_SEEKFUNCTION) \
if(!_curl_is_seek_cb(value)) \
_curl_easy_setopt_err_seek_cb(); \
if(_curl_is_cb_data_option(_curl_opt)) \
if(!_curl_is_cb_data(value)) \
_curl_easy_setopt_err_cb_data(); \
if((_curl_opt) == CURLOPT_ERRORBUFFER) \
if(!_curl_is_error_buffer(value)) \
_curl_easy_setopt_err_error_buffer(); \
if((_curl_opt) == CURLOPT_STDERR) \
if(!_curl_is_FILE(value)) \
_curl_easy_setopt_err_FILE(); \
if(_curl_is_postfields_option(_curl_opt)) \
if(!_curl_is_postfields(value)) \
_curl_easy_setopt_err_postfields(); \
if((_curl_opt) == CURLOPT_HTTPPOST) \
if(!_curl_is_arr((value), struct curl_httppost)) \
_curl_easy_setopt_err_curl_httpost(); \
if(_curl_is_slist_option(_curl_opt)) \
if(!_curl_is_arr((value), struct curl_slist)) \
_curl_easy_setopt_err_curl_slist(); \
if((_curl_opt) == CURLOPT_SHARE) \
if(!_curl_is_ptr((value), CURLSH)) \
_curl_easy_setopt_err_CURLSH(); \
} \
curl_easy_setopt(handle, _curl_opt, value); \
})
/* wraps curl_easy_getinfo() with typechecking */
/* FIXME: don't allow const pointers */
#define curl_easy_getinfo(handle, info, arg) \
__extension__ ({ \
__typeof__ (info) _curl_info = info; \
if(__builtin_constant_p(_curl_info)) { \
if(_curl_is_string_info(_curl_info)) \
if(!_curl_is_arr((arg), char *)) \
_curl_easy_getinfo_err_string(); \
if(_curl_is_long_info(_curl_info)) \
if(!_curl_is_arr((arg), long)) \
_curl_easy_getinfo_err_long(); \
if(_curl_is_double_info(_curl_info)) \
if(!_curl_is_arr((arg), double)) \
_curl_easy_getinfo_err_double(); \
if(_curl_is_slist_info(_curl_info)) \
if(!_curl_is_arr((arg), struct curl_slist *)) \
_curl_easy_getinfo_err_curl_slist(); \
} \
curl_easy_getinfo(handle, _curl_info, arg); \
})
/* TODO: typechecking for curl_share_setopt() and curl_multi_setopt(),
* for now just make sure that the functions are called with three
* arguments
*/
#define curl_share_setopt(share,opt,param) curl_share_setopt(share,opt,param)
#define curl_multi_setopt(handle,opt,param) curl_multi_setopt(handle,opt,param)
/* the actual warnings, triggered by calling the _curl_easy_setopt_err*
* functions */
/* To define a new warning, use _CURL_WARNING(identifier, "message") */
#define _CURL_WARNING(id, message) \
static void __attribute__((__warning__(message))) \
__attribute__((__unused__)) __attribute__((__noinline__)) \
id(void) { __asm__(""); }
_CURL_WARNING(_curl_easy_setopt_err_long,
"curl_easy_setopt expects a long argument for this option")
_CURL_WARNING(_curl_easy_setopt_err_curl_off_t,
"curl_easy_setopt expects a curl_off_t argument for this option")
_CURL_WARNING(_curl_easy_setopt_err_string,
"curl_easy_setopt expects a "
"string (char* or char[]) argument for this option"
)
_CURL_WARNING(_curl_easy_setopt_err_write_callback,
"curl_easy_setopt expects a curl_write_callback argument for this option")
_CURL_WARNING(_curl_easy_setopt_err_read_cb,
"curl_easy_setopt expects a curl_read_callback argument for this option")
_CURL_WARNING(_curl_easy_setopt_err_ioctl_cb,
"curl_easy_setopt expects a curl_ioctl_callback argument for this option")
_CURL_WARNING(_curl_easy_setopt_err_sockopt_cb,
"curl_easy_setopt expects a curl_sockopt_callback argument for this option")
_CURL_WARNING(_curl_easy_setopt_err_opensocket_cb,
"curl_easy_setopt expects a "
"curl_opensocket_callback argument for this option"
)
_CURL_WARNING(_curl_easy_setopt_err_progress_cb,
"curl_easy_setopt expects a curl_progress_callback argument for this option")
_CURL_WARNING(_curl_easy_setopt_err_debug_cb,
"curl_easy_setopt expects a curl_debug_callback argument for this option")
_CURL_WARNING(_curl_easy_setopt_err_ssl_ctx_cb,
"curl_easy_setopt expects a curl_ssl_ctx_callback argument for this option")
_CURL_WARNING(_curl_easy_setopt_err_conv_cb,
"curl_easy_setopt expects a curl_conv_callback argument for this option")
_CURL_WARNING(_curl_easy_setopt_err_seek_cb,
"curl_easy_setopt expects a curl_seek_callback argument for this option")
_CURL_WARNING(_curl_easy_setopt_err_cb_data,
"curl_easy_setopt expects a "
"private data pointer as argument for this option")
_CURL_WARNING(_curl_easy_setopt_err_error_buffer,
"curl_easy_setopt expects a "
"char buffer of CURL_ERROR_SIZE as argument for this option")
_CURL_WARNING(_curl_easy_setopt_err_FILE,
"curl_easy_setopt expects a FILE* argument for this option")
_CURL_WARNING(_curl_easy_setopt_err_postfields,
"curl_easy_setopt expects a void* or char* argument for this option")
_CURL_WARNING(_curl_easy_setopt_err_curl_httpost,
"curl_easy_setopt expects a struct curl_httppost* argument for this option")
_CURL_WARNING(_curl_easy_setopt_err_curl_slist,
"curl_easy_setopt expects a struct curl_slist* argument for this option")
_CURL_WARNING(_curl_easy_setopt_err_CURLSH,
"curl_easy_setopt expects a CURLSH* argument for this option")
_CURL_WARNING(_curl_easy_getinfo_err_string,
"curl_easy_getinfo expects a pointer to char * for this info")
_CURL_WARNING(_curl_easy_getinfo_err_long,
"curl_easy_getinfo expects a pointer to long for this info")
_CURL_WARNING(_curl_easy_getinfo_err_double,
"curl_easy_getinfo expects a pointer to double for this info")
_CURL_WARNING(_curl_easy_getinfo_err_curl_slist,
"curl_easy_getinfo expects a pointer to struct curl_slist * for this info")
/* groups of curl_easy_setops options that take the same type of argument */
/* To add a new option to one of the groups, just add
* (option) == CURLOPT_SOMETHING
* to the or-expression. If the option takes a long or curl_off_t, you don't
* have to do anything
*/
/* evaluates to true if option takes a long argument */
#define _curl_is_long_option(option) \
(0 < (option) && (option) < CURLOPTTYPE_OBJECTPOINT)
#define _curl_is_off_t_option(option) \
((option) > CURLOPTTYPE_OFF_T)
/* evaluates to true if option takes a char* argument */
#define _curl_is_string_option(option) \
((option) == CURLOPT_URL || \
(option) == CURLOPT_PROXY || \
(option) == CURLOPT_INTERFACE || \
(option) == CURLOPT_NETRC_FILE || \
(option) == CURLOPT_USERPWD || \
(option) == CURLOPT_USERNAME || \
(option) == CURLOPT_PASSWORD || \
(option) == CURLOPT_PROXYUSERPWD || \
(option) == CURLOPT_PROXYUSERNAME || \
(option) == CURLOPT_PROXYPASSWORD || \
(option) == CURLOPT_NOPROXY || \
(option) == CURLOPT_ACCEPT_ENCODING || \
(option) == CURLOPT_REFERER || \
(option) == CURLOPT_USERAGENT || \
(option) == CURLOPT_COOKIE || \
(option) == CURLOPT_COOKIEFILE || \
(option) == CURLOPT_COOKIEJAR || \
(option) == CURLOPT_COOKIELIST || \
(option) == CURLOPT_FTPPORT || \
(option) == CURLOPT_FTP_ALTERNATIVE_TO_USER || \
(option) == CURLOPT_FTP_ACCOUNT || \
(option) == CURLOPT_RANGE || \
(option) == CURLOPT_CUSTOMREQUEST || \
(option) == CURLOPT_SSLCERT || \
(option) == CURLOPT_SSLCERTTYPE || \
(option) == CURLOPT_SSLKEY || \
(option) == CURLOPT_SSLKEYTYPE || \
(option) == CURLOPT_KEYPASSWD || \
(option) == CURLOPT_SSLENGINE || \
(option) == CURLOPT_CAINFO || \
(option) == CURLOPT_CAPATH || \
(option) == CURLOPT_RANDOM_FILE || \
(option) == CURLOPT_EGDSOCKET || \
(option) == CURLOPT_SSL_CIPHER_LIST || \
(option) == CURLOPT_KRBLEVEL || \
(option) == CURLOPT_SSH_HOST_PUBLIC_KEY_MD5 || \
(option) == CURLOPT_SSH_PUBLIC_KEYFILE || \
(option) == CURLOPT_SSH_PRIVATE_KEYFILE || \
(option) == CURLOPT_CRLFILE || \
(option) == CURLOPT_ISSUERCERT || \
(option) == CURLOPT_SOCKS5_GSSAPI_SERVICE || \
(option) == CURLOPT_SSH_KNOWNHOSTS || \
(option) == CURLOPT_MAIL_FROM || \
(option) == CURLOPT_RTSP_SESSION_ID || \
(option) == CURLOPT_RTSP_STREAM_URI || \
(option) == CURLOPT_RTSP_TRANSPORT || \
(option) == CURLOPT_XOAUTH2_BEARER || \
(option) == CURLOPT_DNS_SERVERS || \
(option) == CURLOPT_DNS_INTERFACE || \
(option) == CURLOPT_DNS_LOCAL_IP4 || \
(option) == CURLOPT_DNS_LOCAL_IP6 || \
(option) == CURLOPT_LOGIN_OPTIONS || \
0)
/* evaluates to true if option takes a curl_write_callback argument */
#define _curl_is_write_cb_option(option) \
((option) == CURLOPT_HEADERFUNCTION || \
(option) == CURLOPT_WRITEFUNCTION)
/* evaluates to true if option takes a curl_conv_callback argument */
#define _curl_is_conv_cb_option(option) \
((option) == CURLOPT_CONV_TO_NETWORK_FUNCTION || \
(option) == CURLOPT_CONV_FROM_NETWORK_FUNCTION || \
(option) == CURLOPT_CONV_FROM_UTF8_FUNCTION)
/* evaluates to true if option takes a data argument to pass to a callback */
#define _curl_is_cb_data_option(option) \
((option) == CURLOPT_WRITEDATA || \
(option) == CURLOPT_READDATA || \
(option) == CURLOPT_IOCTLDATA || \
(option) == CURLOPT_SOCKOPTDATA || \
(option) == CURLOPT_OPENSOCKETDATA || \
(option) == CURLOPT_PROGRESSDATA || \
(option) == CURLOPT_HEADERDATA || \
(option) == CURLOPT_DEBUGDATA || \
(option) == CURLOPT_SSL_CTX_DATA || \
(option) == CURLOPT_SEEKDATA || \
(option) == CURLOPT_PRIVATE || \
(option) == CURLOPT_SSH_KEYDATA || \
(option) == CURLOPT_INTERLEAVEDATA || \
(option) == CURLOPT_CHUNK_DATA || \
(option) == CURLOPT_FNMATCH_DATA || \
0)
/* evaluates to true if option takes a POST data argument (void* or char*) */
#define _curl_is_postfields_option(option) \
((option) == CURLOPT_POSTFIELDS || \
(option) == CURLOPT_COPYPOSTFIELDS || \
0)
/* evaluates to true if option takes a struct curl_slist * argument */
#define _curl_is_slist_option(option) \
((option) == CURLOPT_HTTPHEADER || \
(option) == CURLOPT_HTTP200ALIASES || \
(option) == CURLOPT_QUOTE || \
(option) == CURLOPT_POSTQUOTE || \
(option) == CURLOPT_PREQUOTE || \
(option) == CURLOPT_TELNETOPTIONS || \
(option) == CURLOPT_MAIL_RCPT || \
0)
/* groups of curl_easy_getinfo infos that take the same type of argument */
/* evaluates to true if info expects a pointer to char * argument */
#define _curl_is_string_info(info) \
(CURLINFO_STRING < (info) && (info) < CURLINFO_LONG)
/* evaluates to true if info expects a pointer to long argument */
#define _curl_is_long_info(info) \
(CURLINFO_LONG < (info) && (info) < CURLINFO_DOUBLE)
/* evaluates to true if info expects a pointer to double argument */
#define _curl_is_double_info(info) \
(CURLINFO_DOUBLE < (info) && (info) < CURLINFO_SLIST)
/* true if info expects a pointer to struct curl_slist * argument */
#define _curl_is_slist_info(info) \
(CURLINFO_SLIST < (info))
/* typecheck helpers -- check whether given expression has requested type*/
/* For pointers, you can use the _curl_is_ptr/_curl_is_arr macros,
* otherwise define a new macro. Search for __builtin_types_compatible_p
* in the GCC manual.
* NOTE: these macros MUST NOT EVALUATE their arguments! The argument is
* the actual expression passed to the curl_easy_setopt macro. This
* means that you can only apply the sizeof and __typeof__ operators, no
* == or whatsoever.
*/
/* XXX: should evaluate to true iff expr is a pointer */
#define _curl_is_any_ptr(expr) \
(sizeof(expr) == sizeof(void*))
/* evaluates to true if expr is NULL */
/* XXX: must not evaluate expr, so this check is not accurate */
#define _curl_is_NULL(expr) \
(__builtin_types_compatible_p(__typeof__(expr), __typeof__(NULL)))
/* evaluates to true if expr is type*, const type* or NULL */
#define _curl_is_ptr(expr, type) \
(_curl_is_NULL(expr) || \
__builtin_types_compatible_p(__typeof__(expr), type *) || \
__builtin_types_compatible_p(__typeof__(expr), const type *))
/* evaluates to true if expr is one of type[], type*, NULL or const type* */
#define _curl_is_arr(expr, type) \
(_curl_is_ptr((expr), type) || \
__builtin_types_compatible_p(__typeof__(expr), type []))
/* evaluates to true if expr is a string */
#define _curl_is_string(expr) \
(_curl_is_arr((expr), char) || \
_curl_is_arr((expr), signed char) || \
_curl_is_arr((expr), unsigned char))
/* evaluates to true if expr is a long (no matter the signedness)
* XXX: for now, int is also accepted (and therefore short and char, which
* are promoted to int when passed to a variadic function) */
#define _curl_is_long(expr) \
(__builtin_types_compatible_p(__typeof__(expr), long) || \
__builtin_types_compatible_p(__typeof__(expr), signed long) || \
__builtin_types_compatible_p(__typeof__(expr), unsigned long) || \
__builtin_types_compatible_p(__typeof__(expr), int) || \
__builtin_types_compatible_p(__typeof__(expr), signed int) || \
__builtin_types_compatible_p(__typeof__(expr), unsigned int) || \
__builtin_types_compatible_p(__typeof__(expr), short) || \
__builtin_types_compatible_p(__typeof__(expr), signed short) || \
__builtin_types_compatible_p(__typeof__(expr), unsigned short) || \
__builtin_types_compatible_p(__typeof__(expr), char) || \
__builtin_types_compatible_p(__typeof__(expr), signed char) || \
__builtin_types_compatible_p(__typeof__(expr), unsigned char))
/* evaluates to true if expr is of type curl_off_t */
#define _curl_is_off_t(expr) \
(__builtin_types_compatible_p(__typeof__(expr), curl_off_t))
/* evaluates to true if expr is abuffer suitable for CURLOPT_ERRORBUFFER */
/* XXX: also check size of an char[] array? */
#define _curl_is_error_buffer(expr) \
(_curl_is_NULL(expr) || \
__builtin_types_compatible_p(__typeof__(expr), char *) || \
__builtin_types_compatible_p(__typeof__(expr), char[]))
/* evaluates to true if expr is of type (const) void* or (const) FILE* */
#if 0
#define _curl_is_cb_data(expr) \
(_curl_is_ptr((expr), void) || \
_curl_is_ptr((expr), FILE))
#else /* be less strict */
#define _curl_is_cb_data(expr) \
_curl_is_any_ptr(expr)
#endif
/* evaluates to true if expr is of type FILE* */
#define _curl_is_FILE(expr) \
(__builtin_types_compatible_p(__typeof__(expr), FILE *))
/* evaluates to true if expr can be passed as POST data (void* or char*) */
#define _curl_is_postfields(expr) \
(_curl_is_ptr((expr), void) || \
_curl_is_arr((expr), char))
/* FIXME: the whole callback checking is messy...
* The idea is to tolerate char vs. void and const vs. not const
* pointers in arguments at least
*/
/* helper: __builtin_types_compatible_p distinguishes between functions and
* function pointers, hide it */
#define _curl_callback_compatible(func, type) \
(__builtin_types_compatible_p(__typeof__(func), type) || \
__builtin_types_compatible_p(__typeof__(func), type*))
/* evaluates to true if expr is of type curl_read_callback or "similar" */
#define _curl_is_read_cb(expr) \
(_curl_is_NULL(expr) || \
__builtin_types_compatible_p(__typeof__(expr), __typeof__(fread)) || \
__builtin_types_compatible_p(__typeof__(expr), curl_read_callback) || \
_curl_callback_compatible((expr), _curl_read_callback1) || \
_curl_callback_compatible((expr), _curl_read_callback2) || \
_curl_callback_compatible((expr), _curl_read_callback3) || \
_curl_callback_compatible((expr), _curl_read_callback4) || \
_curl_callback_compatible((expr), _curl_read_callback5) || \
_curl_callback_compatible((expr), _curl_read_callback6))
typedef size_t (_curl_read_callback1)(char *, size_t, size_t, void*);
typedef size_t (_curl_read_callback2)(char *, size_t, size_t, const void*);
typedef size_t (_curl_read_callback3)(char *, size_t, size_t, FILE*);
typedef size_t (_curl_read_callback4)(void *, size_t, size_t, void*);
typedef size_t (_curl_read_callback5)(void *, size_t, size_t, const void*);
typedef size_t (_curl_read_callback6)(void *, size_t, size_t, FILE*);
/* evaluates to true if expr is of type curl_write_callback or "similar" */
#define _curl_is_write_cb(expr) \
(_curl_is_read_cb(expr) || \
__builtin_types_compatible_p(__typeof__(expr), __typeof__(fwrite)) || \
__builtin_types_compatible_p(__typeof__(expr), curl_write_callback) || \
_curl_callback_compatible((expr), _curl_write_callback1) || \
_curl_callback_compatible((expr), _curl_write_callback2) || \
_curl_callback_compatible((expr), _curl_write_callback3) || \
_curl_callback_compatible((expr), _curl_write_callback4) || \
_curl_callback_compatible((expr), _curl_write_callback5) || \
_curl_callback_compatible((expr), _curl_write_callback6))
typedef size_t (_curl_write_callback1)(const char *, size_t, size_t, void*);
typedef size_t (_curl_write_callback2)(const char *, size_t, size_t,
const void*);
typedef size_t (_curl_write_callback3)(const char *, size_t, size_t, FILE*);
typedef size_t (_curl_write_callback4)(const void *, size_t, size_t, void*);
typedef size_t (_curl_write_callback5)(const void *, size_t, size_t,
const void*);
typedef size_t (_curl_write_callback6)(const void *, size_t, size_t, FILE*);
/* evaluates to true if expr is of type curl_ioctl_callback or "similar" */
#define _curl_is_ioctl_cb(expr) \
(_curl_is_NULL(expr) || \
__builtin_types_compatible_p(__typeof__(expr), curl_ioctl_callback) || \
_curl_callback_compatible((expr), _curl_ioctl_callback1) || \
_curl_callback_compatible((expr), _curl_ioctl_callback2) || \
_curl_callback_compatible((expr), _curl_ioctl_callback3) || \
_curl_callback_compatible((expr), _curl_ioctl_callback4))
typedef curlioerr (_curl_ioctl_callback1)(CURL *, int, void*);
typedef curlioerr (_curl_ioctl_callback2)(CURL *, int, const void*);
typedef curlioerr (_curl_ioctl_callback3)(CURL *, curliocmd, void*);
typedef curlioerr (_curl_ioctl_callback4)(CURL *, curliocmd, const void*);
/* evaluates to true if expr is of type curl_sockopt_callback or "similar" */
#define _curl_is_sockopt_cb(expr) \
(_curl_is_NULL(expr) || \
__builtin_types_compatible_p(__typeof__(expr), curl_sockopt_callback) || \
_curl_callback_compatible((expr), _curl_sockopt_callback1) || \
_curl_callback_compatible((expr), _curl_sockopt_callback2))
typedef int (_curl_sockopt_callback1)(void *, curl_socket_t, curlsocktype);
typedef int (_curl_sockopt_callback2)(const void *, curl_socket_t,
curlsocktype);
/* evaluates to true if expr is of type curl_opensocket_callback or
"similar" */
#define _curl_is_opensocket_cb(expr) \
(_curl_is_NULL(expr) || \
__builtin_types_compatible_p(__typeof__(expr), curl_opensocket_callback) ||\
_curl_callback_compatible((expr), _curl_opensocket_callback1) || \
_curl_callback_compatible((expr), _curl_opensocket_callback2) || \
_curl_callback_compatible((expr), _curl_opensocket_callback3) || \
_curl_callback_compatible((expr), _curl_opensocket_callback4))
typedef curl_socket_t (_curl_opensocket_callback1)
(void *, curlsocktype, struct curl_sockaddr *);
typedef curl_socket_t (_curl_opensocket_callback2)
(void *, curlsocktype, const struct curl_sockaddr *);
typedef curl_socket_t (_curl_opensocket_callback3)
(const void *, curlsocktype, struct curl_sockaddr *);
typedef curl_socket_t (_curl_opensocket_callback4)
(const void *, curlsocktype, const struct curl_sockaddr *);
/* evaluates to true if expr is of type curl_progress_callback or "similar" */
#define _curl_is_progress_cb(expr) \
(_curl_is_NULL(expr) || \
__builtin_types_compatible_p(__typeof__(expr), curl_progress_callback) || \
_curl_callback_compatible((expr), _curl_progress_callback1) || \
_curl_callback_compatible((expr), _curl_progress_callback2))
typedef int (_curl_progress_callback1)(void *,
double, double, double, double);
typedef int (_curl_progress_callback2)(const void *,
double, double, double, double);
/* evaluates to true if expr is of type curl_debug_callback or "similar" */
#define _curl_is_debug_cb(expr) \
(_curl_is_NULL(expr) || \
__builtin_types_compatible_p(__typeof__(expr), curl_debug_callback) || \
_curl_callback_compatible((expr), _curl_debug_callback1) || \
_curl_callback_compatible((expr), _curl_debug_callback2) || \
_curl_callback_compatible((expr), _curl_debug_callback3) || \
_curl_callback_compatible((expr), _curl_debug_callback4) || \
_curl_callback_compatible((expr), _curl_debug_callback5) || \
_curl_callback_compatible((expr), _curl_debug_callback6) || \
_curl_callback_compatible((expr), _curl_debug_callback7) || \
_curl_callback_compatible((expr), _curl_debug_callback8))
typedef int (_curl_debug_callback1) (CURL *,
curl_infotype, char *, size_t, void *);
typedef int (_curl_debug_callback2) (CURL *,
curl_infotype, char *, size_t, const void *);
typedef int (_curl_debug_callback3) (CURL *,
curl_infotype, const char *, size_t, void *);
typedef int (_curl_debug_callback4) (CURL *,
curl_infotype, const char *, size_t, const void *);
typedef int (_curl_debug_callback5) (CURL *,
curl_infotype, unsigned char *, size_t, void *);
typedef int (_curl_debug_callback6) (CURL *,
curl_infotype, unsigned char *, size_t, const void *);
typedef int (_curl_debug_callback7) (CURL *,
curl_infotype, const unsigned char *, size_t, void *);
typedef int (_curl_debug_callback8) (CURL *,
curl_infotype, const unsigned char *, size_t, const void *);
/* evaluates to true if expr is of type curl_ssl_ctx_callback or "similar" */
/* this is getting even messier... */
#define _curl_is_ssl_ctx_cb(expr) \
(_curl_is_NULL(expr) || \
__builtin_types_compatible_p(__typeof__(expr), curl_ssl_ctx_callback) || \
_curl_callback_compatible((expr), _curl_ssl_ctx_callback1) || \
_curl_callback_compatible((expr), _curl_ssl_ctx_callback2) || \
_curl_callback_compatible((expr), _curl_ssl_ctx_callback3) || \
_curl_callback_compatible((expr), _curl_ssl_ctx_callback4) || \
_curl_callback_compatible((expr), _curl_ssl_ctx_callback5) || \
_curl_callback_compatible((expr), _curl_ssl_ctx_callback6) || \
_curl_callback_compatible((expr), _curl_ssl_ctx_callback7) || \
_curl_callback_compatible((expr), _curl_ssl_ctx_callback8))
typedef CURLcode (_curl_ssl_ctx_callback1)(CURL *, void *, void *);
typedef CURLcode (_curl_ssl_ctx_callback2)(CURL *, void *, const void *);
typedef CURLcode (_curl_ssl_ctx_callback3)(CURL *, const void *, void *);
typedef CURLcode (_curl_ssl_ctx_callback4)(CURL *, const void *, const void *);
#ifdef HEADER_SSL_H
/* hack: if we included OpenSSL's ssl.h, we know about SSL_CTX
* this will of course break if we're included before OpenSSL headers...
*/
typedef CURLcode (_curl_ssl_ctx_callback5)(CURL *, SSL_CTX, void *);
typedef CURLcode (_curl_ssl_ctx_callback6)(CURL *, SSL_CTX, const void *);
typedef CURLcode (_curl_ssl_ctx_callback7)(CURL *, const SSL_CTX, void *);
typedef CURLcode (_curl_ssl_ctx_callback8)(CURL *, const SSL_CTX,
const void *);
#else
typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback5;
typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback6;
typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback7;
typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback8;
#endif
/* evaluates to true if expr is of type curl_conv_callback or "similar" */
#define _curl_is_conv_cb(expr) \
(_curl_is_NULL(expr) || \
__builtin_types_compatible_p(__typeof__(expr), curl_conv_callback) || \
_curl_callback_compatible((expr), _curl_conv_callback1) || \
_curl_callback_compatible((expr), _curl_conv_callback2) || \
_curl_callback_compatible((expr), _curl_conv_callback3) || \
_curl_callback_compatible((expr), _curl_conv_callback4))
typedef CURLcode (*_curl_conv_callback1)(char *, size_t length);
typedef CURLcode (*_curl_conv_callback2)(const char *, size_t length);
typedef CURLcode (*_curl_conv_callback3)(void *, size_t length);
typedef CURLcode (*_curl_conv_callback4)(const void *, size_t length);
/* evaluates to true if expr is of type curl_seek_callback or "similar" */
#define _curl_is_seek_cb(expr) \
(_curl_is_NULL(expr) || \
__builtin_types_compatible_p(__typeof__(expr), curl_seek_callback) || \
_curl_callback_compatible((expr), _curl_seek_callback1) || \
_curl_callback_compatible((expr), _curl_seek_callback2))
typedef CURLcode (*_curl_seek_callback1)(void *, curl_off_t, int);
typedef CURLcode (*_curl_seek_callback2)(const void *, curl_off_t, int);
#endif /* __CURL_TYPECHECK_GCC_H */
|
