typecheck-gcc.h (52355B)
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 44 #define curl_easy_setopt(handle, option, value) \ 45 __extension__({ \ 46 if(__builtin_constant_p(option)) { \ 47 CURL_IGNORE_DEPRECATION( \ 48 if(curlcheck_long_option(option)) \ 49 if(!curlcheck_long(value)) \ 50 _curl_easy_setopt_err_long(); \ 51 if(curlcheck_off_t_option(option)) \ 52 if(!curlcheck_off_t(value)) \ 53 _curl_easy_setopt_err_curl_off_t(); \ 54 if(curlcheck_string_option(option)) \ 55 if(!curlcheck_string(value)) \ 56 _curl_easy_setopt_err_string(); \ 57 if((option) == CURLOPT_PRIVATE) { } \ 58 if(curlcheck_write_cb_option(option)) \ 59 if(!curlcheck_write_cb(value)) \ 60 _curl_easy_setopt_err_write_callback(); \ 61 if(curlcheck_curl_option(option)) \ 62 if(!curlcheck_curl(value)) \ 63 _curl_easy_setopt_err_curl(); \ 64 if((option) == CURLOPT_RESOLVER_START_FUNCTION) \ 65 if(!curlcheck_resolver_start_callback(value)) \ 66 _curl_easy_setopt_err_resolver_start_callback(); \ 67 if((option) == CURLOPT_READFUNCTION) \ 68 if(!curlcheck_read_cb(value)) \ 69 _curl_easy_setopt_err_read_cb(); \ 70 if((option) == CURLOPT_IOCTLFUNCTION) \ 71 if(!curlcheck_ioctl_cb(value)) \ 72 _curl_easy_setopt_err_ioctl_cb(); \ 73 if((option) == CURLOPT_SOCKOPTFUNCTION) \ 74 if(!curlcheck_sockopt_cb(value)) \ 75 _curl_easy_setopt_err_sockopt_cb(); \ 76 if((option) == CURLOPT_OPENSOCKETFUNCTION) \ 77 if(!curlcheck_opensocket_cb(value)) \ 78 _curl_easy_setopt_err_opensocket_cb(); \ 79 if((option) == CURLOPT_PROGRESSFUNCTION) \ 80 if(!curlcheck_progress_cb(value)) \ 81 _curl_easy_setopt_err_progress_cb(); \ 82 if((option) == CURLOPT_XFERINFOFUNCTION) \ 83 if(!curlcheck_xferinfo_cb(value)) \ 84 _curl_easy_setopt_err_xferinfo_cb(); \ 85 if((option) == CURLOPT_DEBUGFUNCTION) \ 86 if(!curlcheck_debug_cb(value)) \ 87 _curl_easy_setopt_err_debug_cb(); \ 88 if((option) == CURLOPT_SSL_CTX_FUNCTION) \ 89 if(!curlcheck_ssl_ctx_cb(value)) \ 90 _curl_easy_setopt_err_ssl_ctx_cb(); \ 91 if(curlcheck_conv_cb_option(option)) \ 92 if(!curlcheck_conv_cb(value)) \ 93 _curl_easy_setopt_err_conv_cb(); \ 94 if((option) == CURLOPT_SEEKFUNCTION) \ 95 if(!curlcheck_seek_cb(value)) \ 96 _curl_easy_setopt_err_seek_cb(); \ 97 if((option) == CURLOPT_CHUNK_BGN_FUNCTION) \ 98 if(!curlcheck_chunk_bgn_cb(value)) \ 99 _curl_easy_setopt_err_chunk_bgn_cb(); \ 100 if((option) == CURLOPT_CHUNK_END_FUNCTION) \ 101 if(!curlcheck_chunk_end_cb(value)) \ 102 _curl_easy_setopt_err_chunk_end_cb(); \ 103 if((option) == CURLOPT_CLOSESOCKETFUNCTION) \ 104 if(!curlcheck_close_socket_cb(value)) \ 105 _curl_easy_setopt_err_close_socket_cb(); \ 106 if((option) == CURLOPT_FNMATCH_FUNCTION) \ 107 if(!curlcheck_fnmatch_cb(value)) \ 108 _curl_easy_setopt_err_fnmatch_cb(); \ 109 if((option) == CURLOPT_HSTSREADFUNCTION) \ 110 if(!curlcheck_hstsread_cb(value)) \ 111 _curl_easy_setopt_err_hstsread_cb(); \ 112 if((option) == CURLOPT_HSTSWRITEFUNCTION) \ 113 if(!curlcheck_hstswrite_cb(value)) \ 114 _curl_easy_setopt_err_hstswrite_cb(); \ 115 if((option) == CURLOPT_SSH_HOSTKEYFUNCTION) \ 116 if(!curlcheck_ssh_hostkey_cb(value)) \ 117 _curl_easy_setopt_err_ssh_hostkey_cb(); \ 118 if((option) == CURLOPT_SSH_KEYFUNCTION) \ 119 if(!curlcheck_ssh_key_cb(value)) \ 120 _curl_easy_setopt_err_ssh_key_cb(); \ 121 if((option) == CURLOPT_INTERLEAVEFUNCTION) \ 122 if(!curlcheck_interleave_cb(value)) \ 123 _curl_easy_setopt_err_interleave_cb(); \ 124 if((option) == CURLOPT_PREREQFUNCTION) \ 125 if(!curlcheck_prereq_cb(value)) \ 126 _curl_easy_setopt_err_prereq_cb(); \ 127 if((option) == CURLOPT_TRAILERFUNCTION) \ 128 if(!curlcheck_trailer_cb(value)) \ 129 _curl_easy_setopt_err_trailer_cb(); \ 130 if(curlcheck_cb_data_option(option)) \ 131 if(!curlcheck_cb_data(value)) \ 132 _curl_easy_setopt_err_cb_data(); \ 133 if((option) == CURLOPT_ERRORBUFFER) \ 134 if(!curlcheck_error_buffer(value)) \ 135 _curl_easy_setopt_err_error_buffer(); \ 136 if((option) == CURLOPT_CURLU) \ 137 if(!curlcheck_ptr((value), CURLU)) \ 138 _curl_easy_setopt_err_curlu(); \ 139 if((option) == CURLOPT_STDERR) \ 140 if(!curlcheck_FILE(value)) \ 141 _curl_easy_setopt_err_FILE(); \ 142 if(curlcheck_postfields_option(option)) \ 143 if(!curlcheck_postfields(value)) \ 144 _curl_easy_setopt_err_postfields(); \ 145 if((option) == CURLOPT_HTTPPOST) \ 146 if(!curlcheck_arr((value), struct curl_httppost)) \ 147 _curl_easy_setopt_err_curl_httpost(); \ 148 if((option) == CURLOPT_MIMEPOST) \ 149 if(!curlcheck_ptr((value), curl_mime)) \ 150 _curl_easy_setopt_err_curl_mimepost(); \ 151 if(curlcheck_slist_option(option)) \ 152 if(!curlcheck_arr((value), struct curl_slist)) \ 153 _curl_easy_setopt_err_curl_slist(); \ 154 if((option) == CURLOPT_SHARE) \ 155 if(!curlcheck_ptr((value), CURLSH)) \ 156 _curl_easy_setopt_err_CURLSH(); \ 157 ) \ 158 } \ 159 curl_easy_setopt(handle, option, value); \ 160 }) 161 162 /* wraps curl_easy_getinfo() with typechecking */ 163 #define curl_easy_getinfo(handle, info, arg) \ 164 __extension__({ \ 165 if(__builtin_constant_p(info)) { \ 166 CURL_IGNORE_DEPRECATION( \ 167 if(curlcheck_string_info(info)) \ 168 if(!curlcheck_arr((arg), char *)) \ 169 _curl_easy_getinfo_err_string(); \ 170 if(curlcheck_long_info(info)) \ 171 if(!curlcheck_arr((arg), long)) \ 172 _curl_easy_getinfo_err_long(); \ 173 if(curlcheck_double_info(info)) \ 174 if(!curlcheck_arr((arg), double)) \ 175 _curl_easy_getinfo_err_double(); \ 176 if(curlcheck_slist_info(info)) \ 177 if(!curlcheck_arr((arg), struct curl_slist *)) \ 178 _curl_easy_getinfo_err_curl_slist(); \ 179 if(curlcheck_tlssessioninfo_info(info)) \ 180 if(!curlcheck_arr((arg), struct curl_tlssessioninfo *)) \ 181 _curl_easy_getinfo_err_curl_tlssessioninfo(); \ 182 if(curlcheck_certinfo_info(info)) \ 183 if(!curlcheck_arr((arg), struct curl_certinfo *)) \ 184 _curl_easy_getinfo_err_curl_certinfo(); \ 185 if(curlcheck_socket_info(info)) \ 186 if(!curlcheck_arr((arg), curl_socket_t)) \ 187 _curl_easy_getinfo_err_curl_socket(); \ 188 if(curlcheck_off_t_info(info)) \ 189 if(!curlcheck_arr((arg), curl_off_t)) \ 190 _curl_easy_getinfo_err_curl_off_t(); \ 191 ) \ 192 } \ 193 curl_easy_getinfo(handle, info, arg); \ 194 }) 195 196 /* 197 * For now, just make sure that the functions are called with three arguments 198 */ 199 #define curl_share_setopt(share,opt,param) curl_share_setopt(share,opt,param) 200 #define curl_multi_setopt(handle,opt,param) curl_multi_setopt(handle,opt,param) 201 202 /* the actual warnings, triggered by calling the _curl_easy_setopt_err* 203 * functions */ 204 205 /* To define a new warning, use _CURL_WARNING(identifier, "message") */ 206 #define CURLWARNING(id, message) \ 207 static void __attribute__((__warning__(message))) \ 208 __attribute__((__unused__)) __attribute__((__noinline__)) \ 209 id(void) { __asm__(""); } 210 211 CURLWARNING(_curl_easy_setopt_err_long, 212 "curl_easy_setopt expects a long argument") 213 CURLWARNING(_curl_easy_setopt_err_curl_off_t, 214 "curl_easy_setopt expects a curl_off_t argument") 215 CURLWARNING(_curl_easy_setopt_err_string, 216 "curl_easy_setopt expects a " 217 "string ('char *' or char[]) argument") 218 CURLWARNING(_curl_easy_setopt_err_write_callback, 219 "curl_easy_setopt expects a curl_write_callback argument") 220 CURLWARNING(_curl_easy_setopt_err_resolver_start_callback, 221 "curl_easy_setopt expects a " 222 "curl_resolver_start_callback argument") 223 CURLWARNING(_curl_easy_setopt_err_read_cb, 224 "curl_easy_setopt expects a curl_read_callback argument") 225 CURLWARNING(_curl_easy_setopt_err_ioctl_cb, 226 "curl_easy_setopt expects a curl_ioctl_callback argument") 227 CURLWARNING(_curl_easy_setopt_err_sockopt_cb, 228 "curl_easy_setopt expects a curl_sockopt_callback argument") 229 CURLWARNING(_curl_easy_setopt_err_opensocket_cb, 230 "curl_easy_setopt expects a " 231 "curl_opensocket_callback argument") 232 CURLWARNING(_curl_easy_setopt_err_progress_cb, 233 "curl_easy_setopt expects a curl_progress_callback argument") 234 CURLWARNING(_curl_easy_setopt_err_xferinfo_cb, 235 "curl_easy_setopt expects a curl_xferinfo_callback argument") 236 CURLWARNING(_curl_easy_setopt_err_debug_cb, 237 "curl_easy_setopt expects a curl_debug_callback argument") 238 CURLWARNING(_curl_easy_setopt_err_ssl_ctx_cb, 239 "curl_easy_setopt expects a curl_ssl_ctx_callback argument") 240 CURLWARNING(_curl_easy_setopt_err_conv_cb, 241 "curl_easy_setopt expects a curl_conv_callback argument") 242 CURLWARNING(_curl_easy_setopt_err_seek_cb, 243 "curl_easy_setopt expects a curl_seek_callback argument") 244 CURLWARNING(_curl_easy_setopt_err_cb_data, 245 "curl_easy_setopt expects a " 246 "private data pointer as argument") 247 CURLWARNING(_curl_easy_setopt_err_chunk_bgn_cb, 248 "curl_easy_setopt expects a curl_chunk_bgn_callback argument") 249 CURLWARNING(_curl_easy_setopt_err_chunk_end_cb, 250 "curl_easy_setopt expects a curl_chunk_end_callback argument") 251 CURLWARNING(_curl_easy_setopt_err_close_socket_cb, 252 "curl_easy_setopt expects a curl_closesocket_callback argument") 253 CURLWARNING(_curl_easy_setopt_err_fnmatch_cb, 254 "curl_easy_setopt expects a curl_fnmatch_callback argument") 255 CURLWARNING(_curl_easy_setopt_err_hstsread_cb, 256 "curl_easy_setopt expects a curl_hstsread_callback argument") 257 CURLWARNING(_curl_easy_setopt_err_hstswrite_cb, 258 "curl_easy_setopt expects a curl_hstswrite_callback argument") 259 CURLWARNING(_curl_easy_setopt_err_ssh_key_cb, 260 "curl_easy_setopt expects a curl_sshkeycallback argument") 261 CURLWARNING(_curl_easy_setopt_err_ssh_hostkey_cb, 262 "curl_easy_setopt expects a curl_sshhostkeycallback argument") 263 CURLWARNING(_curl_easy_setopt_err_interleave_cb, 264 "curl_easy_setopt expects a curl_interleave_callback argument") 265 CURLWARNING(_curl_easy_setopt_err_prereq_cb, 266 "curl_easy_setopt expects a curl_prereq_callback argument") 267 CURLWARNING(_curl_easy_setopt_err_trailer_cb, 268 "curl_easy_setopt expects a curl_trailerfunc_ok argument") 269 CURLWARNING(_curl_easy_setopt_err_error_buffer, 270 "curl_easy_setopt expects a " 271 "char buffer of CURL_ERROR_SIZE as argument") 272 CURLWARNING(_curl_easy_setopt_err_curlu, 273 "curl_easy_setopt expects a 'CURLU *' argument") 274 CURLWARNING(_curl_easy_setopt_err_curl, 275 "curl_easy_setopt expects a 'CURL *' argument") 276 CURLWARNING(_curl_easy_setopt_err_FILE, 277 "curl_easy_setopt expects a 'FILE *' argument") 278 CURLWARNING(_curl_easy_setopt_err_postfields, 279 "curl_easy_setopt expects a 'void *' or 'char *' argument") 280 CURLWARNING(_curl_easy_setopt_err_curl_httpost, 281 "curl_easy_setopt expects a 'struct curl_httppost *' " 282 "argument") 283 CURLWARNING(_curl_easy_setopt_err_curl_mimepost, 284 "curl_easy_setopt expects a 'curl_mime *' " 285 "argument") 286 CURLWARNING(_curl_easy_setopt_err_curl_slist, 287 "curl_easy_setopt expects a 'struct curl_slist *' argument") 288 CURLWARNING(_curl_easy_setopt_err_CURLSH, 289 "curl_easy_setopt expects a CURLSH* argument") 290 CURLWARNING(_curl_easy_getinfo_err_string, 291 "curl_easy_getinfo expects a pointer to 'char *'") 292 CURLWARNING(_curl_easy_getinfo_err_long, 293 "curl_easy_getinfo expects a pointer to long") 294 CURLWARNING(_curl_easy_getinfo_err_double, 295 "curl_easy_getinfo expects a pointer to double") 296 CURLWARNING(_curl_easy_getinfo_err_curl_slist, 297 "curl_easy_getinfo expects a pointer to 'struct curl_slist *'") 298 CURLWARNING(_curl_easy_getinfo_err_curl_tlssessioninfo, 299 "curl_easy_getinfo expects a pointer to " 300 "'struct curl_tlssessioninfo *'") 301 CURLWARNING(_curl_easy_getinfo_err_curl_certinfo, 302 "curl_easy_getinfo expects a pointer to " 303 "'struct curl_certinfo *'") 304 CURLWARNING(_curl_easy_getinfo_err_curl_socket, 305 "curl_easy_getinfo expects a pointer to curl_socket_t") 306 CURLWARNING(_curl_easy_getinfo_err_curl_off_t, 307 "curl_easy_getinfo expects a pointer to curl_off_t") 308 309 /* groups of curl_easy_setops options that take the same type of argument */ 310 311 /* evaluates to true if option takes a long argument */ 312 #define curlcheck_long_option(option) \ 313 (0 < (option) && (option) < CURLOPTTYPE_OBJECTPOINT) 314 315 #define curlcheck_off_t_option(option) \ 316 (((option) > CURLOPTTYPE_OFF_T) && ((option) < CURLOPTTYPE_BLOB)) 317 318 /* option takes a CURL * argument */ 319 #define curlcheck_curl_option(option) \ 320 ((option) == CURLOPT_STREAM_DEPENDS || \ 321 (option) == CURLOPT_STREAM_DEPENDS_E || \ 322 0) 323 324 /* evaluates to true if option takes a char* argument */ 325 #define curlcheck_string_option(option) \ 326 ((option) == CURLOPT_ABSTRACT_UNIX_SOCKET || \ 327 (option) == CURLOPT_ACCEPT_ENCODING || \ 328 (option) == CURLOPT_ALTSVC || \ 329 (option) == CURLOPT_CAINFO || \ 330 (option) == CURLOPT_CAPATH || \ 331 (option) == CURLOPT_COOKIE || \ 332 (option) == CURLOPT_COOKIEFILE || \ 333 (option) == CURLOPT_COOKIEJAR || \ 334 (option) == CURLOPT_COOKIELIST || \ 335 (option) == CURLOPT_CRLFILE || \ 336 (option) == CURLOPT_CUSTOMREQUEST || \ 337 (option) == CURLOPT_DEFAULT_PROTOCOL || \ 338 (option) == CURLOPT_DNS_INTERFACE || \ 339 (option) == CURLOPT_DNS_LOCAL_IP4 || \ 340 (option) == CURLOPT_DNS_LOCAL_IP6 || \ 341 (option) == CURLOPT_DNS_SERVERS || \ 342 (option) == CURLOPT_DOH_URL || \ 343 (option) == CURLOPT_ECH || \ 344 (option) == CURLOPT_EGDSOCKET || \ 345 (option) == CURLOPT_FTP_ACCOUNT || \ 346 (option) == CURLOPT_FTP_ALTERNATIVE_TO_USER || \ 347 (option) == CURLOPT_FTPPORT || \ 348 (option) == CURLOPT_HAPROXY_CLIENT_IP || \ 349 (option) == CURLOPT_HSTS || \ 350 (option) == CURLOPT_INTERFACE || \ 351 (option) == CURLOPT_ISSUERCERT || \ 352 (option) == CURLOPT_KEYPASSWD || \ 353 (option) == CURLOPT_KRBLEVEL || \ 354 (option) == CURLOPT_LOGIN_OPTIONS || \ 355 (option) == CURLOPT_MAIL_AUTH || \ 356 (option) == CURLOPT_MAIL_FROM || \ 357 (option) == CURLOPT_NETRC_FILE || \ 358 (option) == CURLOPT_NOPROXY || \ 359 (option) == CURLOPT_PASSWORD || \ 360 (option) == CURLOPT_PINNEDPUBLICKEY || \ 361 (option) == CURLOPT_PRE_PROXY || \ 362 (option) == CURLOPT_PROTOCOLS_STR || \ 363 (option) == CURLOPT_PROXY || \ 364 (option) == CURLOPT_PROXY_CAINFO || \ 365 (option) == CURLOPT_PROXY_CAPATH || \ 366 (option) == CURLOPT_PROXY_CRLFILE || \ 367 (option) == CURLOPT_PROXY_ISSUERCERT || \ 368 (option) == CURLOPT_PROXY_KEYPASSWD || \ 369 (option) == CURLOPT_PROXY_PINNEDPUBLICKEY || \ 370 (option) == CURLOPT_PROXY_SERVICE_NAME || \ 371 (option) == CURLOPT_PROXY_SSL_CIPHER_LIST || \ 372 (option) == CURLOPT_PROXY_SSLCERT || \ 373 (option) == CURLOPT_PROXY_SSLCERTTYPE || \ 374 (option) == CURLOPT_PROXY_SSLKEY || \ 375 (option) == CURLOPT_PROXY_SSLKEYTYPE || \ 376 (option) == CURLOPT_PROXY_TLS13_CIPHERS || \ 377 (option) == CURLOPT_PROXY_TLSAUTH_PASSWORD || \ 378 (option) == CURLOPT_PROXY_TLSAUTH_TYPE || \ 379 (option) == CURLOPT_PROXY_TLSAUTH_USERNAME || \ 380 (option) == CURLOPT_PROXYPASSWORD || \ 381 (option) == CURLOPT_PROXYUSERNAME || \ 382 (option) == CURLOPT_PROXYUSERPWD || \ 383 (option) == CURLOPT_RANDOM_FILE || \ 384 (option) == CURLOPT_RANGE || \ 385 (option) == CURLOPT_REDIR_PROTOCOLS_STR || \ 386 (option) == CURLOPT_REFERER || \ 387 (option) == CURLOPT_REQUEST_TARGET || \ 388 (option) == CURLOPT_RTSP_SESSION_ID || \ 389 (option) == CURLOPT_RTSP_STREAM_URI || \ 390 (option) == CURLOPT_RTSP_TRANSPORT || \ 391 (option) == CURLOPT_SASL_AUTHZID || \ 392 (option) == CURLOPT_SERVICE_NAME || \ 393 (option) == CURLOPT_SOCKS5_GSSAPI_SERVICE || \ 394 (option) == CURLOPT_SSH_HOST_PUBLIC_KEY_MD5 || \ 395 (option) == CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256 || \ 396 (option) == CURLOPT_SSH_KNOWNHOSTS || \ 397 (option) == CURLOPT_SSH_PRIVATE_KEYFILE || \ 398 (option) == CURLOPT_SSH_PUBLIC_KEYFILE || \ 399 (option) == CURLOPT_SSLCERT || \ 400 (option) == CURLOPT_SSLCERTTYPE || \ 401 (option) == CURLOPT_SSLENGINE || \ 402 (option) == CURLOPT_SSLKEY || \ 403 (option) == CURLOPT_SSLKEYTYPE || \ 404 (option) == CURLOPT_SSL_CIPHER_LIST || \ 405 (option) == CURLOPT_SSL_EC_CURVES || \ 406 (option) == CURLOPT_SSL_SIGNATURE_ALGORITHMS || \ 407 (option) == CURLOPT_TLS13_CIPHERS || \ 408 (option) == CURLOPT_TLSAUTH_PASSWORD || \ 409 (option) == CURLOPT_TLSAUTH_TYPE || \ 410 (option) == CURLOPT_TLSAUTH_USERNAME || \ 411 (option) == CURLOPT_UNIX_SOCKET_PATH || \ 412 (option) == CURLOPT_URL || \ 413 (option) == CURLOPT_USERAGENT || \ 414 (option) == CURLOPT_USERNAME || \ 415 (option) == CURLOPT_AWS_SIGV4 || \ 416 (option) == CURLOPT_USERPWD || \ 417 (option) == CURLOPT_XOAUTH2_BEARER || \ 418 0) 419 420 /* evaluates to true if option takes a curl_write_callback argument */ 421 #define curlcheck_write_cb_option(option) \ 422 ((option) == CURLOPT_HEADERFUNCTION || \ 423 (option) == CURLOPT_WRITEFUNCTION) 424 425 /* evaluates to true if option takes a curl_conv_callback argument */ 426 #define curlcheck_conv_cb_option(option) \ 427 ((option) == CURLOPT_CONV_TO_NETWORK_FUNCTION || \ 428 (option) == CURLOPT_CONV_FROM_NETWORK_FUNCTION || \ 429 (option) == CURLOPT_CONV_FROM_UTF8_FUNCTION) 430 431 /* evaluates to true if option takes a data argument to pass to a callback */ 432 #define curlcheck_cb_data_option(option) \ 433 ((option) == CURLOPT_CHUNK_DATA || \ 434 (option) == CURLOPT_CLOSESOCKETDATA || \ 435 (option) == CURLOPT_DEBUGDATA || \ 436 (option) == CURLOPT_FNMATCH_DATA || \ 437 (option) == CURLOPT_HEADERDATA || \ 438 (option) == CURLOPT_HSTSREADDATA || \ 439 (option) == CURLOPT_HSTSWRITEDATA || \ 440 (option) == CURLOPT_INTERLEAVEDATA || \ 441 (option) == CURLOPT_IOCTLDATA || \ 442 (option) == CURLOPT_OPENSOCKETDATA || \ 443 (option) == CURLOPT_PREREQDATA || \ 444 (option) == CURLOPT_XFERINFODATA || \ 445 (option) == CURLOPT_READDATA || \ 446 (option) == CURLOPT_SEEKDATA || \ 447 (option) == CURLOPT_SOCKOPTDATA || \ 448 (option) == CURLOPT_SSH_KEYDATA || \ 449 (option) == CURLOPT_SSL_CTX_DATA || \ 450 (option) == CURLOPT_WRITEDATA || \ 451 (option) == CURLOPT_RESOLVER_START_DATA || \ 452 (option) == CURLOPT_TRAILERDATA || \ 453 (option) == CURLOPT_SSH_HOSTKEYDATA || \ 454 0) 455 456 /* evaluates to true if option takes a POST data argument (void* or char*) */ 457 #define curlcheck_postfields_option(option) \ 458 ((option) == CURLOPT_POSTFIELDS || \ 459 (option) == CURLOPT_COPYPOSTFIELDS || \ 460 0) 461 462 /* evaluates to true if option takes a struct curl_slist * argument */ 463 #define curlcheck_slist_option(option) \ 464 ((option) == CURLOPT_HTTP200ALIASES || \ 465 (option) == CURLOPT_HTTPHEADER || \ 466 (option) == CURLOPT_MAIL_RCPT || \ 467 (option) == CURLOPT_POSTQUOTE || \ 468 (option) == CURLOPT_PREQUOTE || \ 469 (option) == CURLOPT_PROXYHEADER || \ 470 (option) == CURLOPT_QUOTE || \ 471 (option) == CURLOPT_RESOLVE || \ 472 (option) == CURLOPT_TELNETOPTIONS || \ 473 (option) == CURLOPT_CONNECT_TO || \ 474 0) 475 476 /* groups of curl_easy_getinfo infos that take the same type of argument */ 477 478 /* evaluates to true if info expects a pointer to char * argument */ 479 #define curlcheck_string_info(info) \ 480 (CURLINFO_STRING < (info) && (info) < CURLINFO_LONG && \ 481 (info) != CURLINFO_PRIVATE) 482 483 /* evaluates to true if info expects a pointer to long argument */ 484 #define curlcheck_long_info(info) \ 485 (CURLINFO_LONG < (info) && (info) < CURLINFO_DOUBLE) 486 487 /* evaluates to true if info expects a pointer to double argument */ 488 #define curlcheck_double_info(info) \ 489 (CURLINFO_DOUBLE < (info) && (info) < CURLINFO_SLIST) 490 491 /* true if info expects a pointer to struct curl_slist * argument */ 492 #define curlcheck_slist_info(info) \ 493 (((info) == CURLINFO_SSL_ENGINES) || ((info) == CURLINFO_COOKIELIST)) 494 495 /* true if info expects a pointer to struct curl_tlssessioninfo * argument */ 496 #define curlcheck_tlssessioninfo_info(info) \ 497 (((info) == CURLINFO_TLS_SSL_PTR) || ((info) == CURLINFO_TLS_SESSION)) 498 499 /* true if info expects a pointer to struct curl_certinfo * argument */ 500 #define curlcheck_certinfo_info(info) ((info) == CURLINFO_CERTINFO) 501 502 /* true if info expects a pointer to struct curl_socket_t argument */ 503 #define curlcheck_socket_info(info) \ 504 (CURLINFO_SOCKET < (info) && (info) < CURLINFO_OFF_T) 505 506 /* true if info expects a pointer to curl_off_t argument */ 507 #define curlcheck_off_t_info(info) \ 508 (CURLINFO_OFF_T < (info)) 509 510 511 /* typecheck helpers -- check whether given expression has requested type */ 512 513 /* For pointers, you can use the curlcheck_ptr/curlcheck_arr macros, 514 * otherwise define a new macro. Search for __builtin_types_compatible_p 515 * in the GCC manual. 516 * NOTE: these macros MUST NOT EVALUATE their arguments! The argument is 517 * the actual expression passed to the curl_easy_setopt macro. This 518 * means that you can only apply the sizeof and __typeof__ operators, no 519 * == or whatsoever. 520 */ 521 522 /* XXX: should evaluate to true if expr is a pointer */ 523 #define curlcheck_any_ptr(expr) \ 524 (sizeof(expr) == sizeof(void *)) 525 526 /* evaluates to true if expr is NULL */ 527 /* XXX: must not evaluate expr, so this check is not accurate */ 528 #define curlcheck_NULL(expr) \ 529 (__builtin_types_compatible_p(__typeof__(expr), __typeof__(NULL))) 530 531 /* evaluates to true if expr is type*, const type* or NULL */ 532 #define curlcheck_ptr(expr, type) \ 533 (curlcheck_NULL(expr) || \ 534 __builtin_types_compatible_p(__typeof__(expr), type *) || \ 535 __builtin_types_compatible_p(__typeof__(expr), const type *)) 536 537 /* evaluates to true if expr is one of type[], type*, NULL or const type* */ 538 #define curlcheck_arr(expr, type) \ 539 (curlcheck_ptr((expr), type) || \ 540 __builtin_types_compatible_p(__typeof__(expr), type [])) 541 542 /* evaluates to true if expr is a string */ 543 #define curlcheck_string(expr) \ 544 (curlcheck_arr((expr), char) || \ 545 curlcheck_arr((expr), signed char) || \ 546 curlcheck_arr((expr), unsigned char)) 547 548 /* evaluates to true if expr is a CURL * */ 549 #define curlcheck_curl(expr) \ 550 (curlcheck_NULL(expr) || \ 551 __builtin_types_compatible_p(__typeof__(expr), CURL *)) 552 553 554 /* evaluates to true if expr is a long (no matter the signedness) 555 * XXX: for now, int is also accepted (and therefore short and char, which 556 * are promoted to int when passed to a variadic function) */ 557 #define curlcheck_long(expr) \ 558 ( \ 559 ((sizeof(long) != sizeof(int)) && \ 560 (__builtin_types_compatible_p(__typeof__(expr), long) || \ 561 __builtin_types_compatible_p(__typeof__(expr), signed long) || \ 562 __builtin_types_compatible_p(__typeof__(expr), unsigned long))) \ 563 || \ 564 ((sizeof(long) == sizeof(int)) && \ 565 (__builtin_types_compatible_p(__typeof__(expr), long) || \ 566 __builtin_types_compatible_p(__typeof__(expr), signed long) || \ 567 __builtin_types_compatible_p(__typeof__(expr), unsigned long) || \ 568 __builtin_types_compatible_p(__typeof__(expr), int) || \ 569 __builtin_types_compatible_p(__typeof__(expr), signed int) || \ 570 __builtin_types_compatible_p(__typeof__(expr), unsigned int) || \ 571 __builtin_types_compatible_p(__typeof__(expr), short) || \ 572 __builtin_types_compatible_p(__typeof__(expr), signed short) || \ 573 __builtin_types_compatible_p(__typeof__(expr), unsigned short) || \ 574 __builtin_types_compatible_p(__typeof__(expr), char) || \ 575 __builtin_types_compatible_p(__typeof__(expr), signed char) || \ 576 __builtin_types_compatible_p(__typeof__(expr), unsigned char))) \ 577 ) 578 579 /* evaluates to true if expr is of type curl_off_t */ 580 #define curlcheck_off_t(expr) \ 581 (__builtin_types_compatible_p(__typeof__(expr), curl_off_t)) 582 583 /* evaluates to true if expr is abuffer suitable for CURLOPT_ERRORBUFFER */ 584 /* XXX: also check size of an char[] array? */ 585 #define curlcheck_error_buffer(expr) \ 586 (curlcheck_NULL(expr) || \ 587 __builtin_types_compatible_p(__typeof__(expr), char *) || \ 588 __builtin_types_compatible_p(__typeof__(expr), char[])) 589 590 /* evaluates to true if expr is of type (const) void* or (const) FILE* */ 591 #if 0 592 #define curlcheck_cb_data(expr) \ 593 (curlcheck_ptr((expr), void) || \ 594 curlcheck_ptr((expr), FILE)) 595 #else /* be less strict */ 596 #define curlcheck_cb_data(expr) \ 597 curlcheck_any_ptr(expr) 598 #endif 599 600 /* evaluates to true if expr is of type FILE* */ 601 #define curlcheck_FILE(expr) \ 602 (curlcheck_NULL(expr) || \ 603 (__builtin_types_compatible_p(__typeof__(expr), FILE *))) 604 605 /* evaluates to true if expr can be passed as POST data (void* or char*) */ 606 #define curlcheck_postfields(expr) \ 607 (curlcheck_ptr((expr), void) || \ 608 curlcheck_arr((expr), char) || \ 609 curlcheck_arr((expr), unsigned char)) 610 611 /* helper: __builtin_types_compatible_p distinguishes between functions and 612 * function pointers, hide it */ 613 #define curlcheck_cb_compatible(func, type) \ 614 (__builtin_types_compatible_p(__typeof__(func), type) || \ 615 __builtin_types_compatible_p(__typeof__(func) *, type)) 616 617 /* evaluates to true if expr is of type curl_resolver_start_callback */ 618 #define curlcheck_resolver_start_callback(expr) \ 619 (curlcheck_NULL(expr) || \ 620 curlcheck_cb_compatible((expr), curl_resolver_start_callback)) 621 622 /* evaluates to true if expr is of type curl_read_callback or "similar" */ 623 #define curlcheck_read_cb(expr) \ 624 (curlcheck_NULL(expr) || \ 625 curlcheck_cb_compatible((expr), __typeof__(fread) *) || \ 626 curlcheck_cb_compatible((expr), curl_read_callback) || \ 627 curlcheck_cb_compatible((expr), _curl_read_callback1) || \ 628 curlcheck_cb_compatible((expr), _curl_read_callback2) || \ 629 curlcheck_cb_compatible((expr), _curl_read_callback3) || \ 630 curlcheck_cb_compatible((expr), _curl_read_callback4) || \ 631 curlcheck_cb_compatible((expr), _curl_read_callback5) || \ 632 curlcheck_cb_compatible((expr), _curl_read_callback6)) 633 typedef size_t (*_curl_read_callback1)(char *, size_t, size_t, void *); 634 typedef size_t (*_curl_read_callback2)(char *, size_t, size_t, const void *); 635 typedef size_t (*_curl_read_callback3)(char *, size_t, size_t, FILE *); 636 typedef size_t (*_curl_read_callback4)(void *, size_t, size_t, void *); 637 typedef size_t (*_curl_read_callback5)(void *, size_t, size_t, const void *); 638 typedef size_t (*_curl_read_callback6)(void *, size_t, size_t, FILE *); 639 640 /* evaluates to true if expr is of type curl_write_callback or "similar" */ 641 #define curlcheck_write_cb(expr) \ 642 (curlcheck_read_cb(expr) || \ 643 curlcheck_cb_compatible((expr), __typeof__(fwrite) *) || \ 644 curlcheck_cb_compatible((expr), curl_write_callback) || \ 645 curlcheck_cb_compatible((expr), _curl_write_callback1) || \ 646 curlcheck_cb_compatible((expr), _curl_write_callback2) || \ 647 curlcheck_cb_compatible((expr), _curl_write_callback3) || \ 648 curlcheck_cb_compatible((expr), _curl_write_callback4) || \ 649 curlcheck_cb_compatible((expr), _curl_write_callback5) || \ 650 curlcheck_cb_compatible((expr), _curl_write_callback6)) 651 typedef size_t (*_curl_write_callback1)(const char *, size_t, size_t, void *); 652 typedef size_t (*_curl_write_callback2)(const char *, size_t, size_t, 653 const void *); 654 typedef size_t (*_curl_write_callback3)(const char *, size_t, size_t, FILE *); 655 typedef size_t (*_curl_write_callback4)(const void *, size_t, size_t, void *); 656 typedef size_t (*_curl_write_callback5)(const void *, size_t, size_t, 657 const void *); 658 typedef size_t (*_curl_write_callback6)(const void *, size_t, size_t, FILE *); 659 660 /* evaluates to true if expr is of type curl_ioctl_callback or "similar" */ 661 #define curlcheck_ioctl_cb(expr) \ 662 (curlcheck_NULL(expr) || \ 663 curlcheck_cb_compatible((expr), curl_ioctl_callback) || \ 664 curlcheck_cb_compatible((expr), _curl_ioctl_callback1) || \ 665 curlcheck_cb_compatible((expr), _curl_ioctl_callback2) || \ 666 curlcheck_cb_compatible((expr), _curl_ioctl_callback3) || \ 667 curlcheck_cb_compatible((expr), _curl_ioctl_callback4)) 668 typedef curlioerr (*_curl_ioctl_callback1)(CURL *, int, void *); 669 typedef curlioerr (*_curl_ioctl_callback2)(CURL *, int, const void *); 670 typedef curlioerr (*_curl_ioctl_callback3)(CURL *, curliocmd, void *); 671 typedef curlioerr (*_curl_ioctl_callback4)(CURL *, curliocmd, const void *); 672 673 /* evaluates to true if expr is of type curl_sockopt_callback or "similar" */ 674 #define curlcheck_sockopt_cb(expr) \ 675 (curlcheck_NULL(expr) || \ 676 curlcheck_cb_compatible((expr), curl_sockopt_callback) || \ 677 curlcheck_cb_compatible((expr), _curl_sockopt_callback1) || \ 678 curlcheck_cb_compatible((expr), _curl_sockopt_callback2)) 679 typedef int (*_curl_sockopt_callback1)(void *, curl_socket_t, curlsocktype); 680 typedef int (*_curl_sockopt_callback2)(const void *, curl_socket_t, 681 curlsocktype); 682 683 /* evaluates to true if expr is of type curl_opensocket_callback or 684 "similar" */ 685 #define curlcheck_opensocket_cb(expr) \ 686 (curlcheck_NULL(expr) || \ 687 curlcheck_cb_compatible((expr), curl_opensocket_callback) || \ 688 curlcheck_cb_compatible((expr), _curl_opensocket_callback1) || \ 689 curlcheck_cb_compatible((expr), _curl_opensocket_callback2) || \ 690 curlcheck_cb_compatible((expr), _curl_opensocket_callback3) || \ 691 curlcheck_cb_compatible((expr), _curl_opensocket_callback4)) 692 typedef curl_socket_t (*_curl_opensocket_callback1) 693 (void *, curlsocktype, struct curl_sockaddr *); 694 typedef curl_socket_t (*_curl_opensocket_callback2) 695 (void *, curlsocktype, const struct curl_sockaddr *); 696 typedef curl_socket_t (*_curl_opensocket_callback3) 697 (const void *, curlsocktype, struct curl_sockaddr *); 698 typedef curl_socket_t (*_curl_opensocket_callback4) 699 (const void *, curlsocktype, const struct curl_sockaddr *); 700 701 /* evaluates to true if expr is of type curl_progress_callback or "similar" */ 702 #define curlcheck_progress_cb(expr) \ 703 (curlcheck_NULL(expr) || \ 704 curlcheck_cb_compatible((expr), curl_progress_callback) || \ 705 curlcheck_cb_compatible((expr), _curl_progress_callback1) || \ 706 curlcheck_cb_compatible((expr), _curl_progress_callback2)) 707 typedef int (*_curl_progress_callback1)(void *, 708 double, double, double, double); 709 typedef int (*_curl_progress_callback2)(const void *, 710 double, double, double, double); 711 712 /* evaluates to true if expr is of type curl_xferinfo_callback */ 713 #define curlcheck_xferinfo_cb(expr) \ 714 (curlcheck_NULL(expr) || \ 715 curlcheck_cb_compatible((expr), curl_xferinfo_callback)) 716 717 /* evaluates to true if expr is of type curl_debug_callback or "similar" */ 718 #define curlcheck_debug_cb(expr) \ 719 (curlcheck_NULL(expr) || \ 720 curlcheck_cb_compatible((expr), curl_debug_callback) || \ 721 curlcheck_cb_compatible((expr), _curl_debug_callback1) || \ 722 curlcheck_cb_compatible((expr), _curl_debug_callback2) || \ 723 curlcheck_cb_compatible((expr), _curl_debug_callback3) || \ 724 curlcheck_cb_compatible((expr), _curl_debug_callback4) || \ 725 curlcheck_cb_compatible((expr), _curl_debug_callback5) || \ 726 curlcheck_cb_compatible((expr), _curl_debug_callback6) || \ 727 curlcheck_cb_compatible((expr), _curl_debug_callback7) || \ 728 curlcheck_cb_compatible((expr), _curl_debug_callback8)) 729 typedef int (*_curl_debug_callback1) (CURL *, 730 curl_infotype, char *, size_t, void *); 731 typedef int (*_curl_debug_callback2) (CURL *, 732 curl_infotype, char *, size_t, const void *); 733 typedef int (*_curl_debug_callback3) (CURL *, 734 curl_infotype, const char *, size_t, void *); 735 typedef int (*_curl_debug_callback4) (CURL *, 736 curl_infotype, const char *, size_t, const void *); 737 typedef int (*_curl_debug_callback5) (CURL *, 738 curl_infotype, unsigned char *, size_t, void *); 739 typedef int (*_curl_debug_callback6) (CURL *, 740 curl_infotype, unsigned char *, size_t, const void *); 741 typedef int (*_curl_debug_callback7) (CURL *, 742 curl_infotype, const unsigned char *, size_t, void *); 743 typedef int (*_curl_debug_callback8) (CURL *, 744 curl_infotype, const unsigned char *, size_t, const void *); 745 746 /* evaluates to true if expr is of type curl_ssl_ctx_callback or "similar" */ 747 /* this is getting even messier... */ 748 #define curlcheck_ssl_ctx_cb(expr) \ 749 (curlcheck_NULL(expr) || \ 750 curlcheck_cb_compatible((expr), curl_ssl_ctx_callback) || \ 751 curlcheck_cb_compatible((expr), _curl_ssl_ctx_callback1) || \ 752 curlcheck_cb_compatible((expr), _curl_ssl_ctx_callback2) || \ 753 curlcheck_cb_compatible((expr), _curl_ssl_ctx_callback3) || \ 754 curlcheck_cb_compatible((expr), _curl_ssl_ctx_callback4) || \ 755 curlcheck_cb_compatible((expr), _curl_ssl_ctx_callback5) || \ 756 curlcheck_cb_compatible((expr), _curl_ssl_ctx_callback6) || \ 757 curlcheck_cb_compatible((expr), _curl_ssl_ctx_callback7) || \ 758 curlcheck_cb_compatible((expr), _curl_ssl_ctx_callback8)) 759 typedef CURLcode (*_curl_ssl_ctx_callback1)(CURL *, void *, void *); 760 typedef CURLcode (*_curl_ssl_ctx_callback2)(CURL *, void *, const void *); 761 typedef CURLcode (*_curl_ssl_ctx_callback3)(CURL *, const void *, void *); 762 typedef CURLcode (*_curl_ssl_ctx_callback4)(CURL *, const void *, 763 const void *); 764 #ifdef HEADER_SSL_H 765 /* hack: if we included OpenSSL's ssl.h, we know about SSL_CTX 766 * this will of course break if we are included before OpenSSL headers... 767 */ 768 typedef CURLcode (*_curl_ssl_ctx_callback5)(CURL *, SSL_CTX *, void *); 769 typedef CURLcode (*_curl_ssl_ctx_callback6)(CURL *, SSL_CTX *, const void *); 770 typedef CURLcode (*_curl_ssl_ctx_callback7)(CURL *, const SSL_CTX *, void *); 771 typedef CURLcode (*_curl_ssl_ctx_callback8)(CURL *, const SSL_CTX *, 772 const void *); 773 #else 774 typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback5; 775 typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback6; 776 typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback7; 777 typedef _curl_ssl_ctx_callback1 _curl_ssl_ctx_callback8; 778 #endif 779 780 /* evaluates to true if expr is of type curl_conv_callback or "similar" */ 781 #define curlcheck_conv_cb(expr) \ 782 (curlcheck_NULL(expr) || \ 783 curlcheck_cb_compatible((expr), curl_conv_callback) || \ 784 curlcheck_cb_compatible((expr), _curl_conv_callback1) || \ 785 curlcheck_cb_compatible((expr), _curl_conv_callback2) || \ 786 curlcheck_cb_compatible((expr), _curl_conv_callback3) || \ 787 curlcheck_cb_compatible((expr), _curl_conv_callback4)) 788 typedef CURLcode (*_curl_conv_callback1)(char *, size_t length); 789 typedef CURLcode (*_curl_conv_callback2)(const char *, size_t length); 790 typedef CURLcode (*_curl_conv_callback3)(void *, size_t length); 791 typedef CURLcode (*_curl_conv_callback4)(const void *, size_t length); 792 793 /* evaluates to true if expr is of type curl_seek_callback or "similar" */ 794 #define curlcheck_seek_cb(expr) \ 795 (curlcheck_NULL(expr) || \ 796 curlcheck_cb_compatible((expr), curl_seek_callback) || \ 797 curlcheck_cb_compatible((expr), _curl_seek_callback1) || \ 798 curlcheck_cb_compatible((expr), _curl_seek_callback2)) 799 typedef CURLcode (*_curl_seek_callback1)(void *, curl_off_t, int); 800 typedef CURLcode (*_curl_seek_callback2)(const void *, curl_off_t, int); 801 802 /* evaluates to true if expr is of type curl_chunk_bgn_callback */ 803 #define curlcheck_chunk_bgn_cb(expr) \ 804 (curlcheck_NULL(expr) || \ 805 curlcheck_cb_compatible((expr), curl_chunk_bgn_callback) || \ 806 curlcheck_cb_compatible((expr), _curl_chunk_bgn_callback1) || \ 807 curlcheck_cb_compatible((expr), _curl_chunk_bgn_callback2)) 808 typedef long (*_curl_chunk_bgn_callback1)(struct curl_fileinfo *, 809 void *, int); 810 typedef long (*_curl_chunk_bgn_callback2)(void *, void *, int); 811 812 /* evaluates to true if expr is of type curl_chunk_end_callback */ 813 #define curlcheck_chunk_end_cb(expr) \ 814 (curlcheck_NULL(expr) || \ 815 curlcheck_cb_compatible((expr), curl_chunk_end_callback)) 816 817 /* evaluates to true if expr is of type curl_closesocket_callback */ 818 #define curlcheck_close_socket_cb(expr) \ 819 (curlcheck_NULL(expr) || \ 820 curlcheck_cb_compatible((expr), curl_closesocket_callback)) 821 822 /* evaluates to true if expr is of type curl_fnmatch_callback */ 823 #define curlcheck_fnmatch_cb(expr) \ 824 (curlcheck_NULL(expr) || \ 825 curlcheck_cb_compatible((expr), curl_fnmatch_callback)) 826 827 /* evaluates to true if expr is of type curl_hstsread_callback */ 828 #define curlcheck_hstsread_cb(expr) \ 829 (curlcheck_NULL(expr) || \ 830 curlcheck_cb_compatible((expr), curl_hstsread_callback)) 831 832 /* evaluates to true if expr is of type curl_hstswrite_callback */ 833 #define curlcheck_hstswrite_cb(expr) \ 834 (curlcheck_NULL(expr) || \ 835 curlcheck_cb_compatible((expr), curl_hstswrite_callback)) 836 837 /* evaluates to true if expr is of type curl_sshhostkeycallback */ 838 #define curlcheck_ssh_hostkey_cb(expr) \ 839 (curlcheck_NULL(expr) || \ 840 curlcheck_cb_compatible((expr), curl_sshhostkeycallback)) 841 842 /* evaluates to true if expr is of type curl_sshkeycallback */ 843 #define curlcheck_ssh_key_cb(expr) \ 844 (curlcheck_NULL(expr) || \ 845 curlcheck_cb_compatible((expr), curl_sshkeycallback)) 846 847 /* evaluates to true if expr is of type curl_interleave_callback */ 848 #define curlcheck_interleave_cb(expr) \ 849 (curlcheck_NULL(expr) || \ 850 curlcheck_cb_compatible((expr), _curl_interleave_callback1) || \ 851 curlcheck_cb_compatible((expr), _curl_interleave_callback2)) 852 typedef size_t (*_curl_interleave_callback1)(void *p, size_t s, 853 size_t n, void *u); 854 typedef size_t (*_curl_interleave_callback2)(char *p, size_t s, 855 size_t n, void *u); 856 857 /* evaluates to true if expr is of type curl_prereq_callback */ 858 #define curlcheck_prereq_cb(expr) \ 859 (curlcheck_NULL(expr) || \ 860 curlcheck_cb_compatible((expr), curl_prereq_callback)) 861 862 /* evaluates to true if expr is of type curl_trailer_callback */ 863 #define curlcheck_trailer_cb(expr) \ 864 (curlcheck_NULL(expr) || \ 865 curlcheck_cb_compatible((expr), curl_trailer_callback)) 866 867 #endif /* CURLINC_TYPECHECK_GCC_H */