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typecheck-gcc.h
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1#ifndef CURLINC_TYPECHECK_GCC_H
2#define CURLINC_TYPECHECK_GCC_H
3/***************************************************************************
4 * _ _ ____ _
5 * Project ___| | | | _ \| |
6 * / __| | | | |_) | |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
11 *
12 * This software is licensed as described in the file COPYING, which
13 * you should have received as part of this distribution. The terms
14 * are also available at https://curl.se/docs/copyright.html.
15 *
16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17 * copies of the Software, and permit persons to whom the Software is
18 * furnished to do so, under the terms of the COPYING file.
19 *
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
22 *
23 * SPDX-License-Identifier: curl
24 *
25 ***************************************************************************/
26
27/* wraps curl_easy_setopt() with typechecking */
28
29/* To add a new kind of warning, add an
30 * if(curlcheck_sometype_option(_curl_opt))
31 * if(!curlcheck_sometype(value))
32 * _curl_easy_setopt_err_sometype();
33 * block and define curlcheck_sometype_option, curlcheck_sometype and
34 * _curl_easy_setopt_err_sometype below
35 *
36 * NOTE: We use two nested 'if' statements here instead of the && operator, in
37 * order to work around gcc bug #32061. It affects only gcc 4.3.x/4.4.x
38 * when compiling with -Wlogical-op.
39 *
40 * To add an option that uses the same type as an existing option, you will
41 * just need to extend the appropriate _curl_*_option macro
42 */
43#define curl_easy_setopt(handle, option, value) \
44 __extension__({ \
45 CURLoption _curl_opt = (option); \
46 if(__builtin_constant_p(_curl_opt)) { \
47 CURL_IGNORE_DEPRECATION( \
48 if(curlcheck_long_option(_curl_opt)) \
49 if(!curlcheck_long(value)) \
50 _curl_easy_setopt_err_long(); \
51 if(curlcheck_off_t_option(_curl_opt)) \
52 if(!curlcheck_off_t(value)) \
53 _curl_easy_setopt_err_curl_off_t(); \
54 if(curlcheck_string_option(_curl_opt)) \
55 if(!curlcheck_string(value)) \
56 _curl_easy_setopt_err_string(); \
57 if(curlcheck_write_cb_option(_curl_opt)) \
58 if(!curlcheck_write_cb(value)) \
59 _curl_easy_setopt_err_write_callback(); \
60 if((_curl_opt) == CURLOPT_RESOLVER_START_FUNCTION) \
61 if(!curlcheck_resolver_start_callback(value)) \
62 _curl_easy_setopt_err_resolver_start_callback(); \
63 if((_curl_opt) == CURLOPT_READFUNCTION) \
64 if(!curlcheck_read_cb(value)) \
65 _curl_easy_setopt_err_read_cb(); \
66 if((_curl_opt) == CURLOPT_IOCTLFUNCTION) \
67 if(!curlcheck_ioctl_cb(value)) \
68 _curl_easy_setopt_err_ioctl_cb(); \
69 if((_curl_opt) == CURLOPT_SOCKOPTFUNCTION) \
70 if(!curlcheck_sockopt_cb(value)) \
71 _curl_easy_setopt_err_sockopt_cb(); \
72 if((_curl_opt) == CURLOPT_OPENSOCKETFUNCTION) \
73 if(!curlcheck_opensocket_cb(value)) \
74 _curl_easy_setopt_err_opensocket_cb(); \
75 if((_curl_opt) == CURLOPT_PROGRESSFUNCTION) \
76 if(!curlcheck_progress_cb(value)) \
77 _curl_easy_setopt_err_progress_cb(); \
78 if((_curl_opt) == CURLOPT_DEBUGFUNCTION) \
79 if(!curlcheck_debug_cb(value)) \
80 _curl_easy_setopt_err_debug_cb(); \
81 if((_curl_opt) == CURLOPT_SSL_CTX_FUNCTION) \
82 if(!curlcheck_ssl_ctx_cb(value)) \
83 _curl_easy_setopt_err_ssl_ctx_cb(); \
84 if(curlcheck_conv_cb_option(_curl_opt)) \
85 if(!curlcheck_conv_cb(value)) \
86 _curl_easy_setopt_err_conv_cb(); \
87 if((_curl_opt) == CURLOPT_SEEKFUNCTION) \
88 if(!curlcheck_seek_cb(value)) \
89 _curl_easy_setopt_err_seek_cb(); \
90 if(curlcheck_cb_data_option(_curl_opt)) \
91 if(!curlcheck_cb_data(value)) \
92 _curl_easy_setopt_err_cb_data(); \
93 if((_curl_opt) == CURLOPT_ERRORBUFFER) \
94 if(!curlcheck_error_buffer(value)) \
95 _curl_easy_setopt_err_error_buffer(); \
96 if((_curl_opt) == CURLOPT_STDERR) \
97 if(!curlcheck_FILE(value)) \
98 _curl_easy_setopt_err_FILE(); \
99 if(curlcheck_postfields_option(_curl_opt)) \
100 if(!curlcheck_postfields(value)) \
101 _curl_easy_setopt_err_postfields(); \
102 if((_curl_opt) == CURLOPT_HTTPPOST) \
103 if(!curlcheck_arr((value), struct curl_httppost)) \
104 _curl_easy_setopt_err_curl_httpost(); \
105 if((_curl_opt) == CURLOPT_MIMEPOST) \
106 if(!curlcheck_ptr((value), curl_mime)) \
107 _curl_easy_setopt_err_curl_mimepost(); \
108 if(curlcheck_slist_option(_curl_opt)) \
109 if(!curlcheck_arr((value), struct curl_slist)) \
110 _curl_easy_setopt_err_curl_slist(); \
111 if((_curl_opt) == CURLOPT_SHARE) \
112 if(!curlcheck_ptr((value), CURLSH)) \
113 _curl_easy_setopt_err_CURLSH(); \
114 ) \
115 } \
116 curl_easy_setopt(handle, _curl_opt, value); \
117 })
118
119/* wraps curl_easy_getinfo() with typechecking */
120#define curl_easy_getinfo(handle, info, arg) \
121 __extension__({ \
122 CURLINFO _curl_info = (info); \
123 if(__builtin_constant_p(_curl_info)) { \
124 CURL_IGNORE_DEPRECATION( \
125 if(curlcheck_string_info(_curl_info)) \
126 if(!curlcheck_arr((arg), char *)) \
127 _curl_easy_getinfo_err_string(); \
128 if(curlcheck_long_info(_curl_info)) \
129 if(!curlcheck_arr((arg), long)) \
130 _curl_easy_getinfo_err_long(); \
131 if(curlcheck_double_info(_curl_info)) \
132 if(!curlcheck_arr((arg), double)) \
133 _curl_easy_getinfo_err_double(); \
134 if(curlcheck_slist_info(_curl_info)) \
135 if(!curlcheck_arr((arg), struct curl_slist *)) \
136 _curl_easy_getinfo_err_curl_slist(); \
137 if(curlcheck_tlssessioninfo_info(_curl_info)) \
138 if(!curlcheck_arr((arg), struct curl_tlssessioninfo *)) \
139 _curl_easy_getinfo_err_curl_tlssesssioninfo(); \
140 if(curlcheck_certinfo_info(_curl_info)) \
141 if(!curlcheck_arr((arg), struct curl_certinfo *)) \
142 _curl_easy_getinfo_err_curl_certinfo(); \
143 if(curlcheck_socket_info(_curl_info)) \
144 if(!curlcheck_arr((arg), curl_socket_t)) \
145 _curl_easy_getinfo_err_curl_socket(); \
146 if(curlcheck_off_t_info(_curl_info)) \
147 if(!curlcheck_arr((arg), curl_off_t)) \
148 _curl_easy_getinfo_err_curl_off_t(); \
149 ) \
150 } \
151 curl_easy_getinfo(handle, _curl_info, arg); \
152 })
153
154/*
155 * For now, just make sure that the functions are called with three arguments
156 */
157#define curl_share_setopt(share,opt,param) curl_share_setopt(share,opt,param)
158#define curl_multi_setopt(handle,opt,param) curl_multi_setopt(handle,opt,param)
159
160
161/* the actual warnings, triggered by calling the _curl_easy_setopt_err*
162 * functions */
163
164/* To define a new warning, use _CURL_WARNING(identifier, "message") */
165#define CURLWARNING(id, message) \
166 static void __attribute__((__warning__(message))) \
167 __attribute__((__unused__)) __attribute__((__noinline__)) \
168 id(void) { __asm__(""); }
169
170CURLWARNING(_curl_easy_setopt_err_long,
171 "curl_easy_setopt expects a long argument for this option")
172CURLWARNING(_curl_easy_setopt_err_curl_off_t,
173 "curl_easy_setopt expects a curl_off_t argument for this option")
174CURLWARNING(_curl_easy_setopt_err_string,
175 "curl_easy_setopt expects a "
176 "string ('char *' or char[]) argument for this option"
177 )
178CURLWARNING(_curl_easy_setopt_err_write_callback,
179 "curl_easy_setopt expects a curl_write_callback argument for this option")
180CURLWARNING(_curl_easy_setopt_err_resolver_start_callback,
181 "curl_easy_setopt expects a "
182 "curl_resolver_start_callback argument for this option"
183 )
184CURLWARNING(_curl_easy_setopt_err_read_cb,
185 "curl_easy_setopt expects a curl_read_callback argument for this option")
186CURLWARNING(_curl_easy_setopt_err_ioctl_cb,
187 "curl_easy_setopt expects a curl_ioctl_callback argument for this option")
188CURLWARNING(_curl_easy_setopt_err_sockopt_cb,
189 "curl_easy_setopt expects a curl_sockopt_callback argument for this option")
190CURLWARNING(_curl_easy_setopt_err_opensocket_cb,
191 "curl_easy_setopt expects a "
192 "curl_opensocket_callback argument for this option"
193 )
194CURLWARNING(_curl_easy_setopt_err_progress_cb,
195 "curl_easy_setopt expects a curl_progress_callback argument for this option")
196CURLWARNING(_curl_easy_setopt_err_debug_cb,
197 "curl_easy_setopt expects a curl_debug_callback argument for this option")
198CURLWARNING(_curl_easy_setopt_err_ssl_ctx_cb,
199 "curl_easy_setopt expects a curl_ssl_ctx_callback argument for this option")
200CURLWARNING(_curl_easy_setopt_err_conv_cb,
201 "curl_easy_setopt expects a curl_conv_callback argument for this option")
202CURLWARNING(_curl_easy_setopt_err_seek_cb,
203 "curl_easy_setopt expects a curl_seek_callback argument for this option")
204CURLWARNING(_curl_easy_setopt_err_cb_data,
205 "curl_easy_setopt expects a "
206 "private data pointer as argument for this option")
207CURLWARNING(_curl_easy_setopt_err_error_buffer,
208 "curl_easy_setopt expects a "
209 "char buffer of CURL_ERROR_SIZE as argument for this option")
210CURLWARNING(_curl_easy_setopt_err_FILE,
211 "curl_easy_setopt expects a 'FILE *' argument for this option")
212CURLWARNING(_curl_easy_setopt_err_postfields,
213 "curl_easy_setopt expects a 'void *' or 'char *' argument for this option")
214CURLWARNING(_curl_easy_setopt_err_curl_httpost,
215 "curl_easy_setopt expects a 'struct curl_httppost *' "
216 "argument for this option")
217CURLWARNING(_curl_easy_setopt_err_curl_mimepost,
218 "curl_easy_setopt expects a 'curl_mime *' "
219 "argument for this option")
220CURLWARNING(_curl_easy_setopt_err_curl_slist,
221 "curl_easy_setopt expects a 'struct curl_slist *' argument for this option")
222CURLWARNING(_curl_easy_setopt_err_CURLSH,
223 "curl_easy_setopt expects a CURLSH* argument for this option")
224
225CURLWARNING(_curl_easy_getinfo_err_string,
226 "curl_easy_getinfo expects a pointer to 'char *' for this info")
227CURLWARNING(_curl_easy_getinfo_err_long,
228 "curl_easy_getinfo expects a pointer to long for this info")
229CURLWARNING(_curl_easy_getinfo_err_double,
230 "curl_easy_getinfo expects a pointer to double for this info")
231CURLWARNING(_curl_easy_getinfo_err_curl_slist,
232 "curl_easy_getinfo expects a pointer to 'struct curl_slist *' for this info")
233CURLWARNING(_curl_easy_getinfo_err_curl_tlssesssioninfo,
234 "curl_easy_getinfo expects a pointer to "
235 "'struct curl_tlssessioninfo *' for this info")
236CURLWARNING(_curl_easy_getinfo_err_curl_certinfo,
237 "curl_easy_getinfo expects a pointer to "
238 "'struct curl_certinfo *' for this info")
239CURLWARNING(_curl_easy_getinfo_err_curl_socket,
240 "curl_easy_getinfo expects a pointer to curl_socket_t for this info")
241CURLWARNING(_curl_easy_getinfo_err_curl_off_t,
242 "curl_easy_getinfo expects a pointer to curl_off_t for this info")
243
244/* groups of curl_easy_setops options that take the same type of argument */
245
246/* To add a new option to one of the groups, just add
247 * (option) == CURLOPT_SOMETHING
248 * to the or-expression. If the option takes a long or curl_off_t, you do not
249 * have to do anything
250 */
251
252/* evaluates to true if option takes a long argument */
253#define curlcheck_long_option(option) \
254 (0 < (option) && (option) < CURLOPTTYPE_OBJECTPOINT)
255
256#define curlcheck_off_t_option(option) \
257 (((option) > CURLOPTTYPE_OFF_T) && ((option) < CURLOPTTYPE_BLOB))
258
259/* evaluates to true if option takes a char* argument */
260#define curlcheck_string_option(option) \
261 ((option) == CURLOPT_ABSTRACT_UNIX_SOCKET || \
262 (option) == CURLOPT_ACCEPT_ENCODING || \
263 (option) == CURLOPT_ALTSVC || \
264 (option) == CURLOPT_CAINFO || \
265 (option) == CURLOPT_CAPATH || \
266 (option) == CURLOPT_COOKIE || \
267 (option) == CURLOPT_COOKIEFILE || \
268 (option) == CURLOPT_COOKIEJAR || \
269 (option) == CURLOPT_COOKIELIST || \
270 (option) == CURLOPT_CRLFILE || \
271 (option) == CURLOPT_CUSTOMREQUEST || \
272 (option) == CURLOPT_DEFAULT_PROTOCOL || \
273 (option) == CURLOPT_DNS_INTERFACE || \
274 (option) == CURLOPT_DNS_LOCAL_IP4 || \
275 (option) == CURLOPT_DNS_LOCAL_IP6 || \
276 (option) == CURLOPT_DNS_SERVERS || \
277 (option) == CURLOPT_DOH_URL || \
278 (option) == CURLOPT_ECH || \
279 (option) == CURLOPT_EGDSOCKET || \
280 (option) == CURLOPT_FTP_ACCOUNT || \
281 (option) == CURLOPT_FTP_ALTERNATIVE_TO_USER || \
282 (option) == CURLOPT_FTPPORT || \
283 (option) == CURLOPT_HSTS || \
284 (option) == CURLOPT_HAPROXY_CLIENT_IP || \
285 (option) == CURLOPT_INTERFACE || \
286 (option) == CURLOPT_ISSUERCERT || \
287 (option) == CURLOPT_KEYPASSWD || \
288 (option) == CURLOPT_KRBLEVEL || \
289 (option) == CURLOPT_LOGIN_OPTIONS || \
290 (option) == CURLOPT_MAIL_AUTH || \
291 (option) == CURLOPT_MAIL_FROM || \
292 (option) == CURLOPT_NETRC_FILE || \
293 (option) == CURLOPT_NOPROXY || \
294 (option) == CURLOPT_PASSWORD || \
295 (option) == CURLOPT_PINNEDPUBLICKEY || \
296 (option) == CURLOPT_PRE_PROXY || \
297 (option) == CURLOPT_PROTOCOLS_STR || \
298 (option) == CURLOPT_PROXY || \
299 (option) == CURLOPT_PROXY_CAINFO || \
300 (option) == CURLOPT_PROXY_CAPATH || \
301 (option) == CURLOPT_PROXY_CRLFILE || \
302 (option) == CURLOPT_PROXY_ISSUERCERT || \
303 (option) == CURLOPT_PROXY_KEYPASSWD || \
304 (option) == CURLOPT_PROXY_PINNEDPUBLICKEY || \
305 (option) == CURLOPT_PROXY_SERVICE_NAME || \
306 (option) == CURLOPT_PROXY_SSL_CIPHER_LIST || \
307 (option) == CURLOPT_PROXY_SSLCERT || \
308 (option) == CURLOPT_PROXY_SSLCERTTYPE || \
309 (option) == CURLOPT_PROXY_SSLKEY || \
310 (option) == CURLOPT_PROXY_SSLKEYTYPE || \
311 (option) == CURLOPT_PROXY_TLS13_CIPHERS || \
312 (option) == CURLOPT_PROXY_TLSAUTH_PASSWORD || \
313 (option) == CURLOPT_PROXY_TLSAUTH_TYPE || \
314 (option) == CURLOPT_PROXY_TLSAUTH_USERNAME || \
315 (option) == CURLOPT_PROXYPASSWORD || \
316 (option) == CURLOPT_PROXYUSERNAME || \
317 (option) == CURLOPT_PROXYUSERPWD || \
318 (option) == CURLOPT_RANDOM_FILE || \
319 (option) == CURLOPT_RANGE || \
320 (option) == CURLOPT_REDIR_PROTOCOLS_STR || \
321 (option) == CURLOPT_REFERER || \
322 (option) == CURLOPT_REQUEST_TARGET || \
323 (option) == CURLOPT_RTSP_SESSION_ID || \
324 (option) == CURLOPT_RTSP_STREAM_URI || \
325 (option) == CURLOPT_RTSP_TRANSPORT || \
326 (option) == CURLOPT_SASL_AUTHZID || \
327 (option) == CURLOPT_SERVICE_NAME || \
328 (option) == CURLOPT_SOCKS5_GSSAPI_SERVICE || \
329 (option) == CURLOPT_SSH_HOST_PUBLIC_KEY_MD5 || \
330 (option) == CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256 || \
331 (option) == CURLOPT_SSH_KNOWNHOSTS || \
332 (option) == CURLOPT_SSH_PRIVATE_KEYFILE || \
333 (option) == CURLOPT_SSH_PUBLIC_KEYFILE || \
334 (option) == CURLOPT_SSLCERT || \
335 (option) == CURLOPT_SSLCERTTYPE || \
336 (option) == CURLOPT_SSLENGINE || \
337 (option) == CURLOPT_SSLKEY || \
338 (option) == CURLOPT_SSLKEYTYPE || \
339 (option) == CURLOPT_SSL_CIPHER_LIST || \
340 (option) == CURLOPT_TLS13_CIPHERS || \
341 (option) == CURLOPT_TLSAUTH_PASSWORD || \
342 (option) == CURLOPT_TLSAUTH_TYPE || \
343 (option) == CURLOPT_TLSAUTH_USERNAME || \
344 (option) == CURLOPT_UNIX_SOCKET_PATH || \
345 (option) == CURLOPT_URL || \
346 (option) == CURLOPT_USERAGENT || \
347 (option) == CURLOPT_USERNAME || \
348 (option) == CURLOPT_AWS_SIGV4 || \
349 (option) == CURLOPT_USERPWD || \
350 (option) == CURLOPT_XOAUTH2_BEARER || \
351 (option) == CURLOPT_SSL_EC_CURVES || \
352 0)
353
354/* evaluates to true if option takes a curl_write_callback argument */
355#define curlcheck_write_cb_option(option) \
356 ((option) == CURLOPT_HEADERFUNCTION || \
357 (option) == CURLOPT_WRITEFUNCTION)
358
359/* evaluates to true if option takes a curl_conv_callback argument */
360#define curlcheck_conv_cb_option(option) \
361 ((option) == CURLOPT_CONV_TO_NETWORK_FUNCTION || \
362 (option) == CURLOPT_CONV_FROM_NETWORK_FUNCTION || \
363 (option) == CURLOPT_CONV_FROM_UTF8_FUNCTION)
364
365/* evaluates to true if option takes a data argument to pass to a callback */
366#define curlcheck_cb_data_option(option) \
367 ((option) == CURLOPT_CHUNK_DATA || \
368 (option) == CURLOPT_CLOSESOCKETDATA || \
369 (option) == CURLOPT_DEBUGDATA || \
370 (option) == CURLOPT_FNMATCH_DATA || \
371 (option) == CURLOPT_HEADERDATA || \
372 (option) == CURLOPT_HSTSREADDATA || \
373 (option) == CURLOPT_HSTSWRITEDATA || \
374 (option) == CURLOPT_INTERLEAVEDATA || \
375 (option) == CURLOPT_IOCTLDATA || \
376 (option) == CURLOPT_OPENSOCKETDATA || \
377 (option) == CURLOPT_PREREQDATA || \
378 (option) == CURLOPT_PROGRESSDATA || \
379 (option) == CURLOPT_READDATA || \
380 (option) == CURLOPT_SEEKDATA || \
381 (option) == CURLOPT_SOCKOPTDATA || \
382 (option) == CURLOPT_SSH_KEYDATA || \
383 (option) == CURLOPT_SSL_CTX_DATA || \
384 (option) == CURLOPT_WRITEDATA || \
385 (option) == CURLOPT_RESOLVER_START_DATA || \
386 (option) == CURLOPT_TRAILERDATA || \
387 (option) == CURLOPT_SSH_HOSTKEYDATA || \
388 0)
389
390/* evaluates to true if option takes a POST data argument (void* or char*) */
391#define curlcheck_postfields_option(option) \
392 ((option) == CURLOPT_POSTFIELDS || \
393 (option) == CURLOPT_COPYPOSTFIELDS || \
394 0)
395
396/* evaluates to true if option takes a struct curl_slist * argument */
397#define curlcheck_slist_option(option) \
398 ((option) == CURLOPT_HTTP200ALIASES || \
399 (option) == CURLOPT_HTTPHEADER || \
400 (option) == CURLOPT_MAIL_RCPT || \
401 (option) == CURLOPT_POSTQUOTE || \
402 (option) == CURLOPT_PREQUOTE || \
403 (option) == CURLOPT_PROXYHEADER || \
404 (option) == CURLOPT_QUOTE || \
405 (option) == CURLOPT_RESOLVE || \
406 (option) == CURLOPT_TELNETOPTIONS || \
407 (option) == CURLOPT_CONNECT_TO || \
408 0)
409
410/* groups of curl_easy_getinfo infos that take the same type of argument */
411
412/* evaluates to true if info expects a pointer to char * argument */
413#define curlcheck_string_info(info) \
414 (CURLINFO_STRING < (info) && (info) < CURLINFO_LONG && \
415 (info) != CURLINFO_PRIVATE)
416
417/* evaluates to true if info expects a pointer to long argument */
418#define curlcheck_long_info(info) \
419 (CURLINFO_LONG < (info) && (info) < CURLINFO_DOUBLE)
420
421/* evaluates to true if info expects a pointer to double argument */
422#define curlcheck_double_info(info) \
423 (CURLINFO_DOUBLE < (info) && (info) < CURLINFO_SLIST)
424
425/* true if info expects a pointer to struct curl_slist * argument */
426#define curlcheck_slist_info(info) \
427 (((info) == CURLINFO_SSL_ENGINES) || ((info) == CURLINFO_COOKIELIST))
428
429/* true if info expects a pointer to struct curl_tlssessioninfo * argument */
430#define curlcheck_tlssessioninfo_info(info) \
431 (((info) == CURLINFO_TLS_SSL_PTR) || ((info) == CURLINFO_TLS_SESSION))
432
433/* true if info expects a pointer to struct curl_certinfo * argument */
434#define curlcheck_certinfo_info(info) ((info) == CURLINFO_CERTINFO)
435
436/* true if info expects a pointer to struct curl_socket_t argument */
437#define curlcheck_socket_info(info) \
438 (CURLINFO_SOCKET < (info) && (info) < CURLINFO_OFF_T)
439
440/* true if info expects a pointer to curl_off_t argument */
441#define curlcheck_off_t_info(info) \
442 (CURLINFO_OFF_T < (info))
443
444
445/* typecheck helpers -- check whether given expression has requested type */
446
447/* For pointers, you can use the curlcheck_ptr/curlcheck_arr macros,
448 * otherwise define a new macro. Search for __builtin_types_compatible_p
449 * in the GCC manual.
450 * NOTE: these macros MUST NOT EVALUATE their arguments! The argument is
451 * the actual expression passed to the curl_easy_setopt macro. This
452 * means that you can only apply the sizeof and __typeof__ operators, no
453 * == or whatsoever.
454 */
455
456/* XXX: should evaluate to true if expr is a pointer */
457#define curlcheck_any_ptr(expr) \
458 (sizeof(expr) == sizeof(void *))
459
460/* evaluates to true if expr is NULL */
461/* XXX: must not evaluate expr, so this check is not accurate */
462#define curlcheck_NULL(expr) \
463 (__builtin_types_compatible_p(__typeof__(expr), __typeof__(NULL)))
464
465/* evaluates to true if expr is type*, const type* or NULL */
466#define curlcheck_ptr(expr, type) \
467 (curlcheck_NULL(expr) || \
468 __builtin_types_compatible_p(__typeof__(expr), type *) || \
469 __builtin_types_compatible_p(__typeof__(expr), const type *))
470
471/* evaluates to true if expr is one of type[], type*, NULL or const type* */
472#define curlcheck_arr(expr, type) \
473 (curlcheck_ptr((expr), type) || \
474 __builtin_types_compatible_p(__typeof__(expr), type []))
475
476/* evaluates to true if expr is a string */
477#define curlcheck_string(expr) \
478 (curlcheck_arr((expr), char) || \
479 curlcheck_arr((expr), signed char) || \
480 curlcheck_arr((expr), unsigned char))
481
482/* evaluates to true if expr is a long (no matter the signedness)
483 * XXX: for now, int is also accepted (and therefore short and char, which
484 * are promoted to int when passed to a variadic function) */
485#define curlcheck_long(expr) \
486 (__builtin_types_compatible_p(__typeof__(expr), long) || \
487 __builtin_types_compatible_p(__typeof__(expr), signed long) || \
488 __builtin_types_compatible_p(__typeof__(expr), unsigned long) || \
489 __builtin_types_compatible_p(__typeof__(expr), int) || \
490 __builtin_types_compatible_p(__typeof__(expr), signed int) || \
491 __builtin_types_compatible_p(__typeof__(expr), unsigned int) || \
492 __builtin_types_compatible_p(__typeof__(expr), short) || \
493 __builtin_types_compatible_p(__typeof__(expr), signed short) || \
494 __builtin_types_compatible_p(__typeof__(expr), unsigned short) || \
495 __builtin_types_compatible_p(__typeof__(expr), char) || \
496 __builtin_types_compatible_p(__typeof__(expr), signed char) || \
497 __builtin_types_compatible_p(__typeof__(expr), unsigned char))
498
499/* evaluates to true if expr is of type curl_off_t */
500#define curlcheck_off_t(expr) \
501 (__builtin_types_compatible_p(__typeof__(expr), curl_off_t))
502
503/* evaluates to true if expr is abuffer suitable for CURLOPT_ERRORBUFFER */
504/* XXX: also check size of an char[] array? */
505#define curlcheck_error_buffer(expr) \
506 (curlcheck_NULL(expr) || \
507 __builtin_types_compatible_p(__typeof__(expr), char *) || \
508 __builtin_types_compatible_p(__typeof__(expr), char[]))
509
510/* evaluates to true if expr is of type (const) void* or (const) FILE* */
511#if 0
512#define curlcheck_cb_data(expr) \
513 (curlcheck_ptr((expr), void) || \
514 curlcheck_ptr((expr), FILE))
515#else /* be less strict */
516#define curlcheck_cb_data(expr) \
517 curlcheck_any_ptr(expr)
518#endif
519
520/* evaluates to true if expr is of type FILE* */
521#define curlcheck_FILE(expr) \
522 (curlcheck_NULL(expr) || \
523 (__builtin_types_compatible_p(__typeof__(expr), FILE *)))
524
525/* evaluates to true if expr can be passed as POST data (void* or char*) */
526#define curlcheck_postfields(expr) \
527 (curlcheck_ptr((expr), void) || \
528 curlcheck_arr((expr), char) || \
529 curlcheck_arr((expr), unsigned char))
530
531/* helper: __builtin_types_compatible_p distinguishes between functions and
532 * function pointers, hide it */
533#define curlcheck_cb_compatible(func, type) \
534 (__builtin_types_compatible_p(__typeof__(func), type) || \
535 __builtin_types_compatible_p(__typeof__(func) *, type))
536
537/* evaluates to true if expr is of type curl_resolver_start_callback */
538#define curlcheck_resolver_start_callback(expr) \
539 (curlcheck_NULL(expr) || \
540 curlcheck_cb_compatible((expr), curl_resolver_start_callback))
541
542/* evaluates to true if expr is of type curl_read_callback or "similar" */
543#define curlcheck_read_cb(expr) \
544 (curlcheck_NULL(expr) || \
545 curlcheck_cb_compatible((expr), __typeof__(fread) *) || \
546 curlcheck_cb_compatible((expr), curl_read_callback) || \
547 curlcheck_cb_compatible((expr), _curl_read_callback1) || \
548 curlcheck_cb_compatible((expr), _curl_read_callback2) || \
549 curlcheck_cb_compatible((expr), _curl_read_callback3) || \
550 curlcheck_cb_compatible((expr), _curl_read_callback4) || \
551 curlcheck_cb_compatible((expr), _curl_read_callback5) || \
552 curlcheck_cb_compatible((expr), _curl_read_callback6))
553typedef size_t (*_curl_read_callback1)(char *, size_t, size_t, void *);
554typedef size_t (*_curl_read_callback2)(char *, size_t, size_t, const void *);
555typedef size_t (*_curl_read_callback3)(char *, size_t, size_t, FILE *);
556typedef size_t (*_curl_read_callback4)(void *, size_t, size_t, void *);
557typedef size_t (*_curl_read_callback5)(void *, size_t, size_t, const void *);
558typedef size_t (*_curl_read_callback6)(void *, size_t, size_t, FILE *);
559
560/* evaluates to true if expr is of type curl_write_callback or "similar" */
561#define curlcheck_write_cb(expr) \
562 (curlcheck_read_cb(expr) || \
563 curlcheck_cb_compatible((expr), __typeof__(fwrite) *) || \
564 curlcheck_cb_compatible((expr), curl_write_callback) || \
565 curlcheck_cb_compatible((expr), _curl_write_callback1) || \
566 curlcheck_cb_compatible((expr), _curl_write_callback2) || \
567 curlcheck_cb_compatible((expr), _curl_write_callback3) || \
568 curlcheck_cb_compatible((expr), _curl_write_callback4) || \
569 curlcheck_cb_compatible((expr), _curl_write_callback5) || \
570 curlcheck_cb_compatible((expr), _curl_write_callback6))
571typedef size_t (*_curl_write_callback1)(const char *, size_t, size_t, void *);
572typedef size_t (*_curl_write_callback2)(const char *, size_t, size_t,
573 const void *);
574typedef size_t (*_curl_write_callback3)(const char *, size_t, size_t, FILE *);
575typedef size_t (*_curl_write_callback4)(const void *, size_t, size_t, void *);
576typedef size_t (*_curl_write_callback5)(const void *, size_t, size_t,
577 const void *);
578typedef size_t (*_curl_write_callback6)(const void *, size_t, size_t, FILE *);
579
580/* evaluates to true if expr is of type curl_ioctl_callback or "similar" */
581#define curlcheck_ioctl_cb(expr) \
582 (curlcheck_NULL(expr) || \
583 curlcheck_cb_compatible((expr), curl_ioctl_callback) || \
584 curlcheck_cb_compatible((expr), _curl_ioctl_callback1) || \
585 curlcheck_cb_compatible((expr), _curl_ioctl_callback2) || \
586 curlcheck_cb_compatible((expr), _curl_ioctl_callback3) || \
587 curlcheck_cb_compatible((expr), _curl_ioctl_callback4))
588typedef curlioerr (*_curl_ioctl_callback1)(CURL *, int, void *);
589typedef curlioerr (*_curl_ioctl_callback2)(CURL *, int, const void *);
590typedef curlioerr (*_curl_ioctl_callback3)(CURL *, curliocmd, void *);
591typedef curlioerr (*_curl_ioctl_callback4)(CURL *, curliocmd, const void *);
592
593/* evaluates to true if expr is of type curl_sockopt_callback or "similar" */
594#define curlcheck_sockopt_cb(expr) \
595 (curlcheck_NULL(expr) || \
596 curlcheck_cb_compatible((expr), curl_sockopt_callback) || \
597 curlcheck_cb_compatible((expr), _curl_sockopt_callback1) || \
598 curlcheck_cb_compatible((expr), _curl_sockopt_callback2))
599typedef int (*_curl_sockopt_callback1)(void *, curl_socket_t, curlsocktype);
600typedef int (*_curl_sockopt_callback2)(const void *, curl_socket_t,
601 curlsocktype);
602
603/* evaluates to true if expr is of type curl_opensocket_callback or
604 "similar" */
605#define curlcheck_opensocket_cb(expr) \
606 (curlcheck_NULL(expr) || \
607 curlcheck_cb_compatible((expr), curl_opensocket_callback) || \
608 curlcheck_cb_compatible((expr), _curl_opensocket_callback1) || \
609 curlcheck_cb_compatible((expr), _curl_opensocket_callback2) || \
610 curlcheck_cb_compatible((expr), _curl_opensocket_callback3) || \
611 curlcheck_cb_compatible((expr), _curl_opensocket_callback4))
612typedef curl_socket_t (*_curl_opensocket_callback1)
613 (void *, curlsocktype, struct curl_sockaddr *);
614typedef curl_socket_t (*_curl_opensocket_callback2)
615 (void *, curlsocktype, const struct curl_sockaddr *);
616typedef curl_socket_t (*_curl_opensocket_callback3)
617 (const void *, curlsocktype, struct curl_sockaddr *);
618typedef curl_socket_t (*_curl_opensocket_callback4)
619 (const void *, curlsocktype, const struct curl_sockaddr *);
620
621/* evaluates to true if expr is of type curl_progress_callback or "similar" */
622#define curlcheck_progress_cb(expr) \
623 (curlcheck_NULL(expr) || \
624 curlcheck_cb_compatible((expr), curl_progress_callback) || \
625 curlcheck_cb_compatible((expr), _curl_progress_callback1) || \
626 curlcheck_cb_compatible((expr), _curl_progress_callback2))
627typedef int (*_curl_progress_callback1)(void *,
628 double, double, double, double);
629typedef int (*_curl_progress_callback2)(const void *,
630 double, double, double, double);
631
632/* evaluates to true if expr is of type curl_debug_callback or "similar" */
633#define curlcheck_debug_cb(expr) \
634 (curlcheck_NULL(expr) || \
635 curlcheck_cb_compatible((expr), curl_debug_callback) || \
636 curlcheck_cb_compatible((expr), _curl_debug_callback1) || \
637 curlcheck_cb_compatible((expr), _curl_debug_callback2) || \
638 curlcheck_cb_compatible((expr), _curl_debug_callback3) || \
639 curlcheck_cb_compatible((expr), _curl_debug_callback4) || \
640 curlcheck_cb_compatible((expr), _curl_debug_callback5) || \
641 curlcheck_cb_compatible((expr), _curl_debug_callback6) || \
642 curlcheck_cb_compatible((expr), _curl_debug_callback7) || \
643 curlcheck_cb_compatible((expr), _curl_debug_callback8))
644typedef int (*_curl_debug_callback1) (CURL *,
645 curl_infotype, char *, size_t, void *);
646typedef int (*_curl_debug_callback2) (CURL *,
647 curl_infotype, char *, size_t, const void *);
648typedef int (*_curl_debug_callback3) (CURL *,
649 curl_infotype, const char *, size_t, void *);
650typedef int (*_curl_debug_callback4) (CURL *,
651 curl_infotype, const char *, size_t, const void *);
652typedef int (*_curl_debug_callback5) (CURL *,
653 curl_infotype, unsigned char *, size_t, void *);
654typedef int (*_curl_debug_callback6) (CURL *,
655 curl_infotype, unsigned char *, size_t, const void *);
656typedef int (*_curl_debug_callback7) (CURL *,
657 curl_infotype, const unsigned char *, size_t, void *);
658typedef int (*_curl_debug_callback8) (CURL *,
659 curl_infotype, const unsigned char *, size_t, const void *);
660
661/* evaluates to true if expr is of type curl_ssl_ctx_callback or "similar" */
662/* this is getting even messier... */
663#define curlcheck_ssl_ctx_cb(expr) \
664 (curlcheck_NULL(expr) || \
665 curlcheck_cb_compatible((expr), curl_ssl_ctx_callback) || \
666 curlcheck_cb_compatible((expr), _curl_ssl_ctx_callback1) || \
667 curlcheck_cb_compatible((expr), _curl_ssl_ctx_callback2) || \
668 curlcheck_cb_compatible((expr), _curl_ssl_ctx_callback3) || \
669 curlcheck_cb_compatible((expr), _curl_ssl_ctx_callback4) || \
670 curlcheck_cb_compatible((expr), _curl_ssl_ctx_callback5) || \
671 curlcheck_cb_compatible((expr), _curl_ssl_ctx_callback6) || \
672 curlcheck_cb_compatible((expr), _curl_ssl_ctx_callback7) || \
673 curlcheck_cb_compatible((expr), _curl_ssl_ctx_callback8))
674typedef CURLcode (*_curl_ssl_ctx_callback1)(CURL *, void *, void *);
675typedef CURLcode (*_curl_ssl_ctx_callback2)(CURL *, void *, const void *);
676typedef CURLcode (*_curl_ssl_ctx_callback3)(CURL *, const void *, void *);
677typedef CURLcode (*_curl_ssl_ctx_callback4)(CURL *, const void *,
678 const void *);
679#ifdef HEADER_SSL_H
680/* hack: if we included OpenSSL's ssl.h, we know about SSL_CTX
681 * this will of course break if we are included before OpenSSL headers...
682 */
683typedef CURLcode (*_curl_ssl_ctx_callback5)(CURL *, SSL_CTX *, void *);
684typedef CURLcode (*_curl_ssl_ctx_callback6)(CURL *, SSL_CTX *, const void *);
685typedef CURLcode (*_curl_ssl_ctx_callback7)(CURL *, const SSL_CTX *, void *);
686typedef CURLcode (*_curl_ssl_ctx_callback8)(CURL *, const SSL_CTX *,
687 const void *);
688#else
689typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback5;
690typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback6;
691typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback7;
692typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback8;
693#endif
694
695/* evaluates to true if expr is of type curl_conv_callback or "similar" */
696#define curlcheck_conv_cb(expr) \
697 (curlcheck_NULL(expr) || \
698 curlcheck_cb_compatible((expr), curl_conv_callback) || \
699 curlcheck_cb_compatible((expr), _curl_conv_callback1) || \
700 curlcheck_cb_compatible((expr), _curl_conv_callback2) || \
701 curlcheck_cb_compatible((expr), _curl_conv_callback3) || \
702 curlcheck_cb_compatible((expr), _curl_conv_callback4))
703typedef CURLcode (*_curl_conv_callback1)(char *, size_t length);
704typedef CURLcode (*_curl_conv_callback2)(const char *, size_t length);
705typedef CURLcode (*_curl_conv_callback3)(void *, size_t length);
706typedef CURLcode (*_curl_conv_callback4)(const void *, size_t length);
707
708/* evaluates to true if expr is of type curl_seek_callback or "similar" */
709#define curlcheck_seek_cb(expr) \
710 (curlcheck_NULL(expr) || \
711 curlcheck_cb_compatible((expr), curl_seek_callback) || \
712 curlcheck_cb_compatible((expr), _curl_seek_callback1) || \
713 curlcheck_cb_compatible((expr), _curl_seek_callback2))
714typedef CURLcode (*_curl_seek_callback1)(void *, curl_off_t, int);
715typedef CURLcode (*_curl_seek_callback2)(const void *, curl_off_t, int);
716
717
718#endif /* CURLINC_TYPECHECK_GCC_H */
curl_opensocket_callback
curl_socket_t(* curl_opensocket_callback)(void *clientp, curlsocktype purpose, struct curl_sockaddr *address)
Definition curl.h:429
curliocmd
curliocmd
Definition curl.h:443
curl_sockopt_callback
int(* curl_sockopt_callback)(void *clientp, curl_socket_t curlfd, curlsocktype purpose)
Definition curl.h:414
CURLSH
void CURLSH
Definition curl.h:118
curl_read_callback
size_t(* curl_read_callback)(char *buffer, size_t size, size_t nitems, void *instream)
Definition curl.h:394
curl_seek_callback
int(* curl_seek_callback)(void *instream, curl_off_t offset, int origin)
Definition curl.h:376
curl_infotype
curl_infotype
Definition curl.h:470
CURL_ERROR_SIZE
#define CURL_ERROR_SIZE
Definition curl.h:849
curl_resolver_start_callback
int(* curl_resolver_start_callback)(void *resolver_state, void *reserved, void *userdata)
Definition curl.h:282
curl_conv_callback
CURLcode(* curl_conv_callback)(char *buffer, size_t length)
Definition curl.h:772
CURL
void CURL
Definition curl.h:117
curl_write_callback
size_t(* curl_write_callback)(char *buffer, size_t size, size_t nitems, void *outstream)
Definition curl.h:276
curl_mime
struct curl_mime curl_mime
Definition curl.h:2391
curl_debug_callback
int(* curl_debug_callback)(CURL *handle, curl_infotype type, char *data, size_t size, void *userptr)
Definition curl.h:482
curl_socket_t
int curl_socket_t
Definition curl.h:146
curl_ioctl_callback
curlioerr(* curl_ioctl_callback)(CURL *handle, int cmd, void *clientp)
Definition curl.h:449
curlsocktype
curlsocktype
Definition curl.h:402
curlioerr
curlioerr
Definition curl.h:436
CURLcode
CURLcode
Definition curl.h:509
curl_progress_callback
int(* curl_progress_callback)(void *clientp, double dltotal, double dlnow, double ultotal, double ulnow)
Definition curl.h:231
curl_ssl_ctx_callback
CURLcode(* curl_ssl_ctx_callback)(CURL *curl, void *ssl_ctx, void *userptr)
Definition curl.h:774
curl_certinfo
Definition curl.h:2840
curl_httppost
Definition curl.h:180
curl_slist
Definition curl.h:2760
curl_sockaddr
Definition curl.h:418
curl_tlssessioninfo
Definition curl.h:2851
curl_off_t
CURL_TYPEOF_CURL_OFF_T curl_off_t
Definition system.h:389
_curl_ioctl_callback4
curlioerr(* _curl_ioctl_callback4)(CURL *, curliocmd, const void *)
Definition typecheck-gcc.h:591
_curl_conv_callback2
CURLcode(* _curl_conv_callback2)(const char *, size_t length)
Definition typecheck-gcc.h:704
_curl_opensocket_callback3
curl_socket_t(* _curl_opensocket_callback3)(const void *, curlsocktype, struct curl_sockaddr *)
Definition typecheck-gcc.h:617
_curl_debug_callback7
int(* _curl_debug_callback7)(CURL *, curl_infotype, const unsigned char *, size_t, void *)
Definition typecheck-gcc.h:656
_curl_read_callback6
size_t(* _curl_read_callback6)(void *, size_t, size_t, FILE *)
Definition typecheck-gcc.h:558
_curl_debug_callback2
int(* _curl_debug_callback2)(CURL *, curl_infotype, char *, size_t, const void *)
Definition typecheck-gcc.h:646
_curl_write_callback6
size_t(* _curl_write_callback6)(const void *, size_t, size_t, FILE *)
Definition typecheck-gcc.h:578
_curl_write_callback4
size_t(* _curl_write_callback4)(const void *, size_t, size_t, void *)
Definition typecheck-gcc.h:575
_curl_write_callback5
size_t(* _curl_write_callback5)(const void *, size_t, size_t, const void *)
Definition typecheck-gcc.h:576
_curl_debug_callback3
int(* _curl_debug_callback3)(CURL *, curl_infotype, const char *, size_t, void *)
Definition typecheck-gcc.h:648
_curl_ssl_ctx_callback3
CURLcode(* _curl_ssl_ctx_callback3)(CURL *, const void *, void *)
Definition typecheck-gcc.h:676
_curl_ioctl_callback3
curlioerr(* _curl_ioctl_callback3)(CURL *, curliocmd, void *)
Definition typecheck-gcc.h:590
_curl_read_callback2
size_t(* _curl_read_callback2)(char *, size_t, size_t, const void *)
Definition typecheck-gcc.h:554
_curl_write_callback1
size_t(* _curl_write_callback1)(const char *, size_t, size_t, void *)
Definition typecheck-gcc.h:571
_curl_ssl_ctx_callback6
_curl_ssl_ctx_callback1 _curl_ssl_ctx_callback6
Definition typecheck-gcc.h:690
_curl_opensocket_callback2
curl_socket_t(* _curl_opensocket_callback2)(void *, curlsocktype, const struct curl_sockaddr *)
Definition typecheck-gcc.h:615
_curl_seek_callback2
CURLcode(* _curl_seek_callback2)(const void *, curl_off_t, int)
Definition typecheck-gcc.h:715
_curl_ssl_ctx_callback1
CURLcode(* _curl_ssl_ctx_callback1)(CURL *, void *, void *)
Definition typecheck-gcc.h:674
_curl_sockopt_callback1
int(* _curl_sockopt_callback1)(void *, curl_socket_t, curlsocktype)
Definition typecheck-gcc.h:599
_curl_debug_callback4
int(* _curl_debug_callback4)(CURL *, curl_infotype, const char *, size_t, const void *)
Definition typecheck-gcc.h:650
_curl_opensocket_callback1
curl_socket_t(* _curl_opensocket_callback1)(void *, curlsocktype, struct curl_sockaddr *)
Definition typecheck-gcc.h:613
_curl_read_callback3
size_t(* _curl_read_callback3)(char *, size_t, size_t, FILE *)
Definition typecheck-gcc.h:555
_curl_conv_callback3
CURLcode(* _curl_conv_callback3)(void *, size_t length)
Definition typecheck-gcc.h:705
_curl_write_callback3
size_t(* _curl_write_callback3)(const char *, size_t, size_t, FILE *)
Definition typecheck-gcc.h:574
_curl_debug_callback6
int(* _curl_debug_callback6)(CURL *, curl_infotype, unsigned char *, size_t, const void *)
Definition typecheck-gcc.h:654
_curl_debug_callback1
int(* _curl_debug_callback1)(CURL *, curl_infotype, char *, size_t, void *)
Definition typecheck-gcc.h:644
_curl_progress_callback2
int(* _curl_progress_callback2)(const void *, double, double, double, double)
Definition typecheck-gcc.h:629
curl_easy_getinfo
#define curl_easy_getinfo(handle, info, arg)
Definition typecheck-gcc.h:120
_curl_debug_callback8
int(* _curl_debug_callback8)(CURL *, curl_infotype, const unsigned char *, size_t, const void *)
Definition typecheck-gcc.h:658
_curl_ioctl_callback2
curlioerr(* _curl_ioctl_callback2)(CURL *, int, const void *)
Definition typecheck-gcc.h:589
_curl_read_callback5
size_t(* _curl_read_callback5)(void *, size_t, size_t, const void *)
Definition typecheck-gcc.h:557
_curl_read_callback1
size_t(* _curl_read_callback1)(char *, size_t, size_t, void *)
Definition typecheck-gcc.h:553
_curl_read_callback4
size_t(* _curl_read_callback4)(void *, size_t, size_t, void *)
Definition typecheck-gcc.h:556
_curl_ssl_ctx_callback5
_curl_ssl_ctx_callback1 _curl_ssl_ctx_callback5
Definition typecheck-gcc.h:689
_curl_ssl_ctx_callback2
CURLcode(* _curl_ssl_ctx_callback2)(CURL *, void *, const void *)
Definition typecheck-gcc.h:675
_curl_conv_callback4
CURLcode(* _curl_conv_callback4)(const void *, size_t length)
Definition typecheck-gcc.h:706
_curl_ssl_ctx_callback4
CURLcode(* _curl_ssl_ctx_callback4)(CURL *, const void *, const void *)
Definition typecheck-gcc.h:677
_curl_write_callback2
size_t(* _curl_write_callback2)(const char *, size_t, size_t, const void *)
Definition typecheck-gcc.h:572
_curl_sockopt_callback2
int(* _curl_sockopt_callback2)(const void *, curl_socket_t, curlsocktype)
Definition typecheck-gcc.h:600
_curl_progress_callback1
int(* _curl_progress_callback1)(void *, double, double, double, double)
Definition typecheck-gcc.h:627
CURLWARNING
#define CURLWARNING(id, message)
Definition typecheck-gcc.h:165
_curl_seek_callback1
CURLcode(* _curl_seek_callback1)(void *, curl_off_t, int)
Definition typecheck-gcc.h:714
_curl_opensocket_callback4
curl_socket_t(* _curl_opensocket_callback4)(const void *, curlsocktype, const struct curl_sockaddr *)
Definition typecheck-gcc.h:619
_curl_conv_callback1
CURLcode(* _curl_conv_callback1)(char *, size_t length)
Definition typecheck-gcc.h:703
_curl_ssl_ctx_callback7
_curl_ssl_ctx_callback1 _curl_ssl_ctx_callback7
Definition typecheck-gcc.h:691
_curl_ioctl_callback1
curlioerr(* _curl_ioctl_callback1)(CURL *, int, void *)
Definition typecheck-gcc.h:588
_curl_ssl_ctx_callback8
_curl_ssl_ctx_callback1 _curl_ssl_ctx_callback8
Definition typecheck-gcc.h:692
curl_easy_setopt
#define curl_easy_setopt(handle, option, value)
Definition typecheck-gcc.h:43
_curl_debug_callback5
int(* _curl_debug_callback5)(CURL *, curl_infotype, unsigned char *, size_t, void *)
Definition typecheck-gcc.h:652