1 #ifndef HEADER_CURL_SETUP_H 2 #define HEADER_CURL_SETUP_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 #if defined(BUILDING_LIBCURL) && !defined(CURL_NO_OLDIES) 28 #define CURL_NO_OLDIES 29 #endif 30 31 /* Tell "curl/curl.h" not to include "curl/mprintf.h" */ 32 #define CURL_SKIP_INCLUDE_MPRINTF 33 34 /* FIXME: Delete this once the warnings have been fixed. */ 35 #if !defined(CURL_WARN_SIGN_CONVERSION) 36 #if defined(__GNUC__) || defined(__clang__) 37 #pragma GCC diagnostic ignored "-Wsign-conversion" 38 #endif 39 #endif 40 41 /* Set default _WIN32_WINNT */ 42 #ifdef __MINGW32__ 43 #include <_mingw.h> 44 #endif 45 46 /* Workaround for Homebrew gcc 12.4.0, 13.3.0, 14.1.0, 14.2.0 (initial build) 47 that started advertising the `availability` attribute, which then gets used 48 by Apple SDK, but, in a way incompatible with gcc, resulting in misc errors 49 inside SDK headers, e.g.: 50 error: attributes should be specified before the declarator in a function 51 definition 52 error: expected ',' or '}' before 53 Followed by missing declarations. 54 Work it around by overriding the built-in feature-check macro used by the 55 headers to enable the problematic attributes. This makes the feature check 56 fail. Fixed in 14.2.0_1. Disable the workaround if the fix is detected. */ 57 #if defined(__APPLE__) && !defined(__clang__) && defined(__GNUC__) && \ 58 defined(__has_attribute) 59 # if !defined(__has_feature) 60 # define availability curl_pp_attribute_disabled 61 # elif !__has_feature(attribute_availability) 62 # define availability curl_pp_attribute_disabled 63 # endif 64 #endif 65 66 #if defined(__APPLE__) 67 #include <sys/types.h> 68 #include <TargetConditionals.h> 69 /* Fixup faulty target macro initialization in macOS SDK since v14.4 (as of 70 15.0 beta). The SDK target detection in `TargetConditionals.h` correctly 71 detects macOS, but fails to set the macro's old name `TARGET_OS_OSX`, then 72 continues to set it to a default value of 0. Other parts of the SDK still 73 rely on the old name, and with this inconsistency our builds fail due to 74 missing declarations. It happens when using mainline llvm older than v18. 75 Later versions fixed it by predefining these target macros, avoiding the 76 faulty dynamic detection. gcc is not affected (for now) because it lacks 77 the necessary dynamic detection features, so the SDK falls back to 78 a codepath that sets both the old and new macro to 1. */ 79 #if defined(TARGET_OS_MAC) && TARGET_OS_MAC && \ 80 defined(TARGET_OS_OSX) && !TARGET_OS_OSX && \ 81 (!defined(TARGET_OS_IPHONE) || !TARGET_OS_IPHONE) && \ 82 (!defined(TARGET_OS_SIMULATOR) || !TARGET_OS_SIMULATOR) 83 #undef TARGET_OS_OSX 84 #define TARGET_OS_OSX TARGET_OS_MAC 85 #endif 86 #endif 87 88 /* 89 * Disable Visual Studio warnings: 90 * 4127 "conditional expression is constant" 91 */ 92 #ifdef _MSC_VER 93 #pragma warning(disable:4127) 94 #endif 95 96 #ifdef _WIN32 97 /* 98 * Do not include unneeded stuff in Windows headers to avoid compiler 99 * warnings and macro clashes. 100 * Make sure to define this macro before including any Windows headers. 101 */ 102 # ifndef WIN32_LEAN_AND_MEAN 103 # define WIN32_LEAN_AND_MEAN 104 # endif 105 # ifndef NOGDI 106 # define NOGDI 107 # endif 108 /* Detect Windows App environment which has a restricted access 109 * to the Win32 APIs. */ 110 # if (defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0602)) || \ 111 defined(WINAPI_FAMILY) 112 # include <winapifamily.h> 113 # if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) && \ 114 !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) 115 # define CURL_WINDOWS_UWP 116 # endif 117 # endif 118 #endif 119 120 /* Compatibility */ 121 #if defined(ENABLE_IPV6) 122 # define USE_IPV6 1 123 #endif 124 125 /* 126 * Include configuration script results or hand-crafted 127 * configuration file for platforms which lack config tool. 128 */ 129 130 #ifdef HAVE_CONFIG_H 131 132 #include "curl_config.h" 133 134 #else /* HAVE_CONFIG_H */ 135 136 #ifdef _WIN32_WCE 137 # include "config-win32ce.h" 138 #else 139 # ifdef _WIN32 140 # include "config-win32.h" 141 # endif 142 #endif 143 144 #ifdef macintosh 145 # include "config-mac.h" 146 #endif 147 148 #ifdef __riscos__ 149 # include "config-riscos.h" 150 #endif 151 152 #ifdef __OS400__ 153 # include "config-os400.h" 154 #endif 155 156 #ifdef __PLAN9__ 157 # include "config-plan9.h" 158 #endif 159 160 #endif /* HAVE_CONFIG_H */ 161 162 /* ================================================================ */ 163 /* Definition of preprocessor macros/symbols which modify compiler */ 164 /* behavior or generated code characteristics must be done here, */ 165 /* as appropriate, before any system header file is included. It is */ 166 /* also possible to have them defined in the config file included */ 167 /* before this point. As a result of all this we frown inclusion of */ 168 /* system header files in our config files, avoid this at any cost. */ 169 /* ================================================================ */ 170 171 /* 172 * AIX 4.3 and newer needs _THREAD_SAFE defined to build 173 * proper reentrant code. Others may also need it. 174 */ 175 176 #ifdef NEED_THREAD_SAFE 177 # ifndef _THREAD_SAFE 178 # define _THREAD_SAFE 179 # endif 180 #endif 181 182 /* 183 * Tru64 needs _REENTRANT set for a few function prototypes and 184 * things to appear in the system header files. Unixware needs it 185 * to build proper reentrant code. Others may also need it. 186 */ 187 188 #ifdef NEED_REENTRANT 189 # ifndef _REENTRANT 190 # define _REENTRANT 191 # endif 192 #endif 193 194 /* Solaris needs this to get a POSIX-conformant getpwuid_r */ 195 #if defined(sun) || defined(__sun) 196 # ifndef _POSIX_PTHREAD_SEMANTICS 197 # define _POSIX_PTHREAD_SEMANTICS 1 198 # endif 199 #endif 200 201 /* ================================================================ */ 202 /* If you need to include a system header file for your platform, */ 203 /* please, do it beyond the point further indicated in this file. */ 204 /* ================================================================ */ 205 206 /* Give calloc a chance to be dragging in early, so we do not redefine */ 207 #if defined(USE_THREADS_POSIX) && defined(HAVE_PTHREAD_H) 208 # include <pthread.h> 209 #endif 210 211 /* 212 * Disable other protocols when http is the only one desired. 213 */ 214 215 #ifdef HTTP_ONLY 216 # ifndef CURL_DISABLE_DICT 217 # define CURL_DISABLE_DICT 218 # endif 219 # ifndef CURL_DISABLE_FILE 220 # define CURL_DISABLE_FILE 221 # endif 222 # ifndef CURL_DISABLE_FTP 223 # define CURL_DISABLE_FTP 224 # endif 225 # ifndef CURL_DISABLE_GOPHER 226 # define CURL_DISABLE_GOPHER 227 # endif 228 # ifndef CURL_DISABLE_IMAP 229 # define CURL_DISABLE_IMAP 230 # endif 231 # ifndef CURL_DISABLE_LDAP 232 # define CURL_DISABLE_LDAP 233 # endif 234 # ifndef CURL_DISABLE_LDAPS 235 # define CURL_DISABLE_LDAPS 236 # endif 237 # ifndef CURL_DISABLE_MQTT 238 # define CURL_DISABLE_MQTT 239 # endif 240 # ifndef CURL_DISABLE_POP3 241 # define CURL_DISABLE_POP3 242 # endif 243 # ifndef CURL_DISABLE_RTSP 244 # define CURL_DISABLE_RTSP 245 # endif 246 # ifndef CURL_DISABLE_SMB 247 # define CURL_DISABLE_SMB 248 # endif 249 # ifndef CURL_DISABLE_SMTP 250 # define CURL_DISABLE_SMTP 251 # endif 252 # ifndef CURL_DISABLE_TELNET 253 # define CURL_DISABLE_TELNET 254 # endif 255 # ifndef CURL_DISABLE_TFTP 256 # define CURL_DISABLE_TFTP 257 # endif 258 #endif 259 260 /* 261 * When http is disabled rtsp is not supported. 262 */ 263 264 #if defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_RTSP) 265 # define CURL_DISABLE_RTSP 266 #endif 267 268 /* 269 * When HTTP is disabled, disable HTTP-only features 270 */ 271 272 #if defined(CURL_DISABLE_HTTP) 273 # define CURL_DISABLE_ALTSVC 1 274 # define CURL_DISABLE_COOKIES 1 275 # define CURL_DISABLE_BASIC_AUTH 1 276 # define CURL_DISABLE_BEARER_AUTH 1 277 # define CURL_DISABLE_AWS 1 278 # define CURL_DISABLE_DOH 1 279 # define CURL_DISABLE_FORM_API 1 280 # define CURL_DISABLE_HEADERS_API 1 281 # define CURL_DISABLE_HSTS 1 282 # define CURL_DISABLE_HTTP_AUTH 1 283 #endif 284 285 /* 286 * ECH requires HTTPSRR. 287 */ 288 289 #if defined(USE_ECH) && !defined(USE_HTTPSRR) 290 # define USE_HTTPSRR 291 #endif 292 293 /* ================================================================ */ 294 /* No system header file shall be included in this file before this */ 295 /* point. */ 296 /* ================================================================ */ 297 298 /* 299 * OS/400 setup file includes some system headers. 300 */ 301 302 #ifdef __OS400__ 303 # include "setup-os400.h" 304 #endif 305 306 /* 307 * VMS setup file includes some system headers. 308 */ 309 310 #ifdef __VMS 311 # include "setup-vms.h" 312 #endif 313 314 /* 315 * Windows setup file includes some system headers. 316 */ 317 318 #ifdef _WIN32 319 # include "setup-win32.h" 320 #endif 321 322 #include <curl/system.h> 323 324 /* Helper macro to expand and concatenate two macros. 325 * Direct macros concatenation does not work because macros 326 * are not expanded before direct concatenation. 327 */ 328 #define CURL_CONC_MACROS_(A,B) A ## B 329 #define CURL_CONC_MACROS(A,B) CURL_CONC_MACROS_(A,B) 330 331 /* curl uses its own printf() function internally. It understands the GNU 332 * format. Use this format, so that is matches the GNU format attribute we 333 * use with the MinGW compiler, allowing it to verify them at compile-time. 334 */ 335 #ifdef __MINGW32__ 336 # undef CURL_FORMAT_CURL_OFF_T 337 # undef CURL_FORMAT_CURL_OFF_TU 338 # define CURL_FORMAT_CURL_OFF_T "lld" 339 # define CURL_FORMAT_CURL_OFF_TU "llu" 340 #endif 341 342 /* based on logic in "curl/mprintf.h" */ 343 344 #if (defined(__GNUC__) || defined(__clang__) || \ 345 defined(__IAR_SYSTEMS_ICC__)) && \ 346 defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && \ 347 !defined(CURL_NO_FMT_CHECKS) 348 #if defined(__MINGW32__) && !defined(__clang__) 349 #define CURL_PRINTF(fmt, arg) \ 350 __attribute__((format(gnu_printf, fmt, arg))) 351 #else 352 #define CURL_PRINTF(fmt, arg) \ 353 __attribute__((format(__printf__, fmt, arg))) 354 #endif 355 #else 356 #define CURL_PRINTF(fmt, arg) 357 #endif 358 359 /* Override default printf mask check rules in "curl/mprintf.h" */ 360 #define CURL_TEMP_PRINTF CURL_PRINTF 361 362 /* Workaround for mainline llvm v16 and earlier missing a built-in macro 363 expected by macOS SDK v14 / Xcode v15 (2023) and newer. 364 gcc (as of v14) is also missing it. */ 365 #if defined(__APPLE__) && \ 366 ((!defined(__apple_build_version__) && \ 367 defined(__clang__) && __clang_major__ < 17) || \ 368 (defined(__GNUC__) && __GNUC__ <= 14)) && \ 369 defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && \ 370 !defined(__ENVIRONMENT_OS_VERSION_MIN_REQUIRED__) 371 #define __ENVIRONMENT_OS_VERSION_MIN_REQUIRED__ \ 372 __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ 373 #endif 374 375 /* 376 * Use getaddrinfo to resolve the IPv4 address literal. If the current network 377 * interface does not support IPv4, but supports IPv6, NAT64, and DNS64, 378 * performing this task will result in a synthesized IPv6 address. 379 */ 380 #if defined(__APPLE__) && !defined(USE_ARES) 381 #define USE_RESOLVE_ON_IPS 1 382 # if TARGET_OS_MAC && !(defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) && \ 383 defined(USE_IPV6) 384 # define CURL_MACOS_CALL_COPYPROXIES 1 385 # endif 386 #endif 387 388 #ifdef USE_LWIPSOCK 389 # include <lwip/init.h> 390 # include <lwip/sockets.h> 391 # include <lwip/netdb.h> 392 #endif 393 394 #ifdef macintosh 395 # include <extra/stricmp.h> 396 # include <extra/strdup.h> 397 #endif 398 399 #ifdef __AMIGA__ 400 # ifdef __amigaos4__ 401 # define __USE_INLINE__ 402 /* use our own resolver which uses runtime feature detection */ 403 # define CURLRES_AMIGA 404 /* getaddrinfo() currently crashes bsdsocket.library, so disable */ 405 # undef HAVE_GETADDRINFO 406 # if !(defined(__NEWLIB__) || \ 407 (defined(__CLIB2__) && defined(__THREAD_SAFE))) 408 /* disable threaded resolver with clib2 - requires newlib or clib-ts */ 409 # undef USE_THREADS_POSIX 410 # endif 411 # endif 412 # include <exec/types.h> 413 # include <exec/execbase.h> 414 # include <proto/exec.h> 415 # include <proto/dos.h> 416 # include <unistd.h> 417 # if defined(HAVE_PROTO_BSDSOCKET_H) && \ 418 (!defined(__amigaos4__) || defined(USE_AMISSL)) 419 /* use bsdsocket.library directly, instead of libc networking functions */ 420 # define _SYS_MBUF_H /* m_len define clashes with curl */ 421 # include <proto/bsdsocket.h> 422 # ifdef __amigaos4__ 423 int Curl_amiga_select(int nfds, fd_set *readfds, fd_set *writefds, 424 fd_set *errorfds, struct timeval *timeout); 425 # define select(a,b,c,d,e) Curl_amiga_select(a,b,c,d,e) 426 # else 427 # define select(a,b,c,d,e) WaitSelect(a,b,c,d,e,0) 428 # endif 429 /* must not use libc's fcntl() on bsdsocket.library sockfds! */ 430 # undef HAVE_FCNTL 431 # undef HAVE_FCNTL_O_NONBLOCK 432 # else 433 /* use libc networking and hence close() and fnctl() */ 434 # undef HAVE_CLOSESOCKET_CAMEL 435 # undef HAVE_IOCTLSOCKET_CAMEL 436 # endif 437 /* 438 * In clib2 arpa/inet.h warns that some prototypes may clash 439 * with bsdsocket.library. This avoids the definition of those. 440 */ 441 # define __NO_NET_API 442 #endif 443 444 #include <stdio.h> 445 #include <assert.h> 446 447 #ifdef __TANDEM /* for ns*-tandem-nsk systems */ 448 # if ! defined __LP64 449 # include <floss.h> /* FLOSS is only used for 32-bit builds. */ 450 # endif 451 #endif 452 453 #ifndef STDC_HEADERS /* no standard C headers! */ 454 #include <curl/stdcheaders.h> 455 #endif 456 457 #ifdef _WIN32 458 #define Curl_getpid() GetCurrentProcessId() 459 #else 460 #define Curl_getpid() getpid() 461 #endif 462 463 /* 464 * Large file (>2Gb) support using Win32 functions. 465 */ 466 467 #ifdef USE_WIN32_LARGE_FILES 468 # include <io.h> 469 # include <sys/types.h> 470 # include <sys/stat.h> 471 # undef lseek 472 # define lseek(fdes,offset,whence) _lseeki64(fdes, offset, whence) 473 # undef fstat 474 # define fstat(fdes,stp) _fstati64(fdes, stp) 475 # undef stat 476 # define stat(fname,stp) curlx_win32_stat(fname, stp) 477 # define struct_stat struct _stati64 478 # define LSEEK_ERROR (__int64)-1 479 # define open curlx_win32_open 480 # define fopen(fname,mode) curlx_win32_fopen(fname, mode) 481 int curlx_win32_open(const char *filename, int oflag, ...); 482 int curlx_win32_stat(const char *path, struct_stat *buffer); 483 FILE *curlx_win32_fopen(const char *filename, const char *mode); 484 #endif 485 486 #ifdef __DJGPP__ 487 /* Requires DJGPP 2.04 */ 488 # include <unistd.h> 489 # undef lseek 490 # define lseek(fdes,offset,whence) llseek(fdes, offset, whence) 491 # define LSEEK_ERROR (offset_t)-1 492 #endif 493 494 /* 495 * Small file (<2Gb) support using Win32 functions. 496 */ 497 498 #ifdef USE_WIN32_SMALL_FILES 499 # include <io.h> 500 # include <sys/types.h> 501 # include <sys/stat.h> 502 # ifndef _WIN32_WCE 503 # undef lseek 504 # define lseek(fdes,offset,whence) _lseek(fdes, (long)offset, whence) 505 # define fstat(fdes,stp) _fstat(fdes, stp) 506 # define stat(fname,stp) curlx_win32_stat(fname, stp) 507 # define struct_stat struct _stat 508 # define open curlx_win32_open 509 # define fopen(fname,mode) curlx_win32_fopen(fname, mode) 510 int curlx_win32_stat(const char *path, struct_stat *buffer); 511 int curlx_win32_open(const char *filename, int oflag, ...); 512 FILE *curlx_win32_fopen(const char *filename, const char *mode); 513 # endif 514 # define LSEEK_ERROR (long)-1 515 #endif 516 517 #ifndef struct_stat 518 # define struct_stat struct stat 519 #endif 520 521 #ifndef LSEEK_ERROR 522 # define LSEEK_ERROR (off_t)-1 523 #endif 524 525 #ifndef SIZEOF_TIME_T 526 /* assume default size of time_t to be 32 bits */ 527 #define SIZEOF_TIME_T 4 528 #endif 529 530 #ifndef SIZEOF_CURL_SOCKET_T 531 /* configure and cmake check and set the define */ 532 # ifdef _WIN64 533 # define SIZEOF_CURL_SOCKET_T 8 534 # else 535 /* default guess */ 536 # define SIZEOF_CURL_SOCKET_T 4 537 # endif 538 #endif 539 540 #if SIZEOF_CURL_SOCKET_T < 8 541 # define FMT_SOCKET_T "d" 542 #elif defined(__MINGW32__) 543 # define FMT_SOCKET_T "zd" 544 #else 545 # define FMT_SOCKET_T "qd" 546 #endif 547 548 /* 549 * Default sizeof(off_t) in case it has not been defined in config file. 550 */ 551 552 #ifndef SIZEOF_OFF_T 553 # if defined(__VMS) && !defined(__VAX) 554 # if defined(_LARGEFILE) 555 # define SIZEOF_OFF_T 8 556 # endif 557 # elif defined(__OS400__) && defined(__ILEC400__) 558 # if defined(_LARGE_FILES) 559 # define SIZEOF_OFF_T 8 560 # endif 561 # elif defined(__MVS__) && defined(__IBMC__) 562 # if defined(_LP64) || defined(_LARGE_FILES) 563 # define SIZEOF_OFF_T 8 564 # endif 565 # elif defined(__370__) && defined(__IBMC__) 566 # if defined(_LP64) || defined(_LARGE_FILES) 567 # define SIZEOF_OFF_T 8 568 # endif 569 # endif 570 # ifndef SIZEOF_OFF_T 571 # define SIZEOF_OFF_T 4 572 # endif 573 #endif 574 575 #if (SIZEOF_CURL_OFF_T < 8) 576 #error "too small curl_off_t" 577 #else 578 /* assume SIZEOF_CURL_OFF_T == 8 */ 579 # define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF) 580 #endif 581 #define CURL_OFF_T_MIN (-CURL_OFF_T_MAX - CURL_OFF_T_C(1)) 582 583 #if (SIZEOF_CURL_OFF_T != 8) 584 # error "curl_off_t must be exactly 64 bits" 585 #else 586 typedef unsigned CURL_TYPEOF_CURL_OFF_T curl_uint64_t; 587 typedef CURL_TYPEOF_CURL_OFF_T curl_int64_t; 588 # ifndef CURL_SUFFIX_CURL_OFF_TU 589 # error "CURL_SUFFIX_CURL_OFF_TU must be defined" 590 # endif 591 # define CURL_UINT64_SUFFIX CURL_SUFFIX_CURL_OFF_TU 592 # define CURL_UINT64_C(val) CURL_CONC_MACROS(val,CURL_UINT64_SUFFIX) 593 # define FMT_PRId64 CURL_FORMAT_CURL_OFF_T 594 # define FMT_PRIu64 CURL_FORMAT_CURL_OFF_TU 595 #endif 596 597 #define FMT_OFF_T CURL_FORMAT_CURL_OFF_T 598 #define FMT_OFF_TU CURL_FORMAT_CURL_OFF_TU 599 600 #if (SIZEOF_TIME_T == 4) 601 # ifdef HAVE_TIME_T_UNSIGNED 602 # define TIME_T_MAX UINT_MAX 603 # define TIME_T_MIN 0 604 # else 605 # define TIME_T_MAX INT_MAX 606 # define TIME_T_MIN INT_MIN 607 # endif 608 #else 609 # ifdef HAVE_TIME_T_UNSIGNED 610 # define TIME_T_MAX 0xFFFFFFFFFFFFFFFF 611 # define TIME_T_MIN 0 612 # else 613 # define TIME_T_MAX 0x7FFFFFFFFFFFFFFF 614 # define TIME_T_MIN (-TIME_T_MAX - 1) 615 # endif 616 #endif 617 618 #ifndef SIZE_T_MAX 619 /* some limits.h headers have this defined, some do not */ 620 #if defined(SIZEOF_SIZE_T) && (SIZEOF_SIZE_T > 4) 621 #define SIZE_T_MAX 18446744073709551615U 622 #else 623 #define SIZE_T_MAX 4294967295U 624 #endif 625 #endif 626 627 #ifndef SSIZE_T_MAX 628 /* some limits.h headers have this defined, some do not */ 629 #if defined(SIZEOF_SIZE_T) && (SIZEOF_SIZE_T > 4) 630 #define SSIZE_T_MAX 9223372036854775807 631 #else 632 #define SSIZE_T_MAX 2147483647 633 #endif 634 #endif 635 636 /* 637 * Arg 2 type for gethostname in case it has not been defined in config file. 638 */ 639 640 #ifndef GETHOSTNAME_TYPE_ARG2 641 # ifdef USE_WINSOCK 642 # define GETHOSTNAME_TYPE_ARG2 int 643 # else 644 # define GETHOSTNAME_TYPE_ARG2 size_t 645 # endif 646 #endif 647 648 /* Below we define some functions. They should 649 650 4. set the SIGALRM signal timeout 651 5. set dir/file naming defines 652 */ 653 654 #ifdef _WIN32 655 656 # define DIR_CHAR "\\" 657 658 #else /* _WIN32 */ 659 660 # ifdef MSDOS /* Watt-32 */ 661 662 # include <sys/ioctl.h> 663 # define select(n,r,w,x,t) select_s(n,r,w,x,t) 664 # define ioctl(x,y,z) ioctlsocket(x,y,(char *)(z)) 665 # include <tcp.h> 666 # ifdef word 667 # undef word 668 # endif 669 # ifdef byte 670 # undef byte 671 # endif 672 673 # endif /* MSDOS */ 674 675 # ifdef __minix 676 /* Minix 3 versions up to at least 3.1.3 are missing these prototypes */ 677 extern char *strtok_r(char *s, const char *delim, char **last); 678 extern struct tm *gmtime_r(const time_t * const timep, struct tm *tmp); 679 # endif 680 681 # define DIR_CHAR "/" 682 683 #endif /* _WIN32 */ 684 685 /* ---------------------------------------------------------------- */ 686 /* resolver specialty compile-time defines */ 687 /* CURLRES_* defines to use in the host*.c sources */ 688 /* ---------------------------------------------------------------- */ 689 690 /* 691 * MSVC threads support requires a multi-threaded runtime library. 692 * _beginthreadex() is not available in single-threaded ones. 693 */ 694 695 #if defined(_MSC_VER) && !defined(_MT) 696 # undef USE_THREADS_POSIX 697 # undef USE_THREADS_WIN32 698 #endif 699 700 /* 701 * Mutually exclusive CURLRES_* definitions. 702 */ 703 704 #if defined(USE_IPV6) && defined(HAVE_GETADDRINFO) 705 # define CURLRES_IPV6 706 #elif defined(USE_IPV6) && (defined(_WIN32) || defined(__CYGWIN__)) 707 /* assume on Windows that IPv6 without getaddrinfo is a broken build */ 708 # error "Unexpected build: IPv6 is enabled but getaddrinfo was not found." 709 #else 710 # define CURLRES_IPV4 711 #endif 712 713 #ifdef USE_ARES 714 # define CURLRES_ASYNCH 715 # define CURLRES_ARES 716 /* now undef the stock libc functions just to avoid them being used */ 717 # undef HAVE_GETADDRINFO 718 # undef HAVE_FREEADDRINFO 719 #elif defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32) 720 # define CURLRES_ASYNCH 721 # define CURLRES_THREADED 722 #else 723 # define CURLRES_SYNCH 724 #endif 725 726 /* ---------------------------------------------------------------- */ 727 728 #if defined(HAVE_LIBIDN2) && defined(HAVE_IDN2_H) && \ 729 !defined(USE_WIN32_IDN) && !defined(USE_APPLE_IDN) 730 /* The lib and header are present */ 731 #define USE_LIBIDN2 732 #endif 733 734 #if defined(USE_LIBIDN2) && (defined(USE_WIN32_IDN) || defined(USE_APPLE_IDN)) 735 #error "libidn2 cannot be enabled with WinIDN or AppleIDN, choose one." 736 #endif 737 738 #define LIBIDN_REQUIRED_VERSION "0.4.1" 739 740 #if defined(USE_GNUTLS) || defined(USE_OPENSSL) || defined(USE_MBEDTLS) || \ 741 defined(USE_WOLFSSL) || defined(USE_SCHANNEL) || defined(USE_SECTRANSP) || \ 742 defined(USE_BEARSSL) || defined(USE_RUSTLS) 743 #define USE_SSL /* SSL support has been enabled */ 744 #endif 745 746 #if defined(USE_WOLFSSL) && defined(USE_GNUTLS) 747 /* Avoid defining unprefixed wolfSSL SHA macros colliding with nettle ones */ 748 #define NO_OLD_WC_NAMES 749 #endif 750 751 /* Single point where USE_SPNEGO definition might be defined */ 752 #if !defined(CURL_DISABLE_NEGOTIATE_AUTH) && \ 753 (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)) 754 #define USE_SPNEGO 755 #endif 756 757 /* Single point where USE_KERBEROS5 definition might be defined */ 758 #if !defined(CURL_DISABLE_KERBEROS_AUTH) && \ 759 (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)) 760 #define USE_KERBEROS5 761 #endif 762 763 /* Single point where USE_NTLM definition might be defined */ 764 #if !defined(CURL_DISABLE_NTLM) 765 # if defined(USE_OPENSSL) || defined(USE_MBEDTLS) || \ 766 defined(USE_GNUTLS) || defined(USE_SECTRANSP) || \ 767 defined(USE_OS400CRYPTO) || defined(USE_WIN32_CRYPTO) || \ 768 (defined(USE_WOLFSSL) && defined(HAVE_WOLFSSL_DES_ECB_ENCRYPT)) 769 # define USE_CURL_NTLM_CORE 770 # endif 771 # if defined(USE_CURL_NTLM_CORE) || defined(USE_WINDOWS_SSPI) 772 # define USE_NTLM 773 # endif 774 #endif 775 776 #ifdef CURL_WANTS_CA_BUNDLE_ENV 777 #error "No longer supported. Set CURLOPT_CAINFO at runtime instead." 778 #endif 779 780 #if defined(USE_LIBSSH2) || defined(USE_LIBSSH) || defined(USE_WOLFSSH) 781 #define USE_SSH 782 #endif 783 784 /* 785 * Provide a mechanism to silence picky compilers, such as gcc 4.6+. 786 * Parameters should of course normally not be unused, but for example when 787 * we have multiple implementations of the same interface it may happen. 788 */ 789 790 #if defined(__GNUC__) && ((__GNUC__ >= 3) || \ 791 ((__GNUC__ == 2) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ >= 7))) 792 # define UNUSED_PARAM __attribute__((__unused__)) 793 # define WARN_UNUSED_RESULT __attribute__((warn_unused_result)) 794 #elif defined(__IAR_SYSTEMS_ICC__) 795 # define UNUSED_PARAM __attribute__((__unused__)) 796 # if (__VER__ >= 9040001) 797 # define WARN_UNUSED_RESULT __attribute__((warn_unused_result)) 798 # else 799 # define WARN_UNUSED_RESULT 800 # endif 801 #else 802 # define UNUSED_PARAM /* NOTHING */ 803 # define WARN_UNUSED_RESULT 804 #endif 805 806 /* noreturn attribute */ 807 808 #if !defined(CURL_NORETURN) 809 #if (defined(__GNUC__) && (__GNUC__ >= 3)) || defined(__clang__) || \ 810 defined(__IAR_SYSTEMS_ICC__) 811 # define CURL_NORETURN __attribute__((__noreturn__)) 812 #elif defined(_MSC_VER) && (_MSC_VER >= 1200) 813 # define CURL_NORETURN __declspec(noreturn) 814 #else 815 # define CURL_NORETURN 816 #endif 817 #endif 818 819 /* fallthrough attribute */ 820 821 #if !defined(FALLTHROUGH) 822 #if (defined(__GNUC__) && __GNUC__ >= 7) || \ 823 (defined(__clang__) && __clang_major__ >= 10) 824 # define FALLTHROUGH() __attribute__((fallthrough)) 825 #else 826 # define FALLTHROUGH() do {} while (0) 827 #endif 828 #endif 829 830 /* 831 * Include macros and defines that should only be processed once. 832 */ 833 834 #ifndef HEADER_CURL_SETUP_ONCE_H 835 #include "curl_setup_once.h" 836 #endif 837 838 /* 839 * Definition of our NOP statement Object-like macro 840 */ 841 842 #ifndef Curl_nop_stmt 843 # define Curl_nop_stmt do { } while(0) 844 #endif 845 846 /* 847 * Ensure that Winsock and lwIP TCP/IP stacks are not mixed. 848 */ 849 850 #if defined(__LWIP_OPT_H__) || defined(LWIP_HDR_OPT_H) 851 # if defined(SOCKET) || defined(USE_WINSOCK) 852 # error "Winsock and lwIP TCP/IP stack definitions shall not coexist!" 853 # endif 854 #endif 855 856 /* 857 * shutdown() flags for systems that do not define them 858 */ 859 860 #ifndef SHUT_RD 861 #define SHUT_RD 0x00 862 #endif 863 864 #ifndef SHUT_WR 865 #define SHUT_WR 0x01 866 #endif 867 868 #ifndef SHUT_RDWR 869 #define SHUT_RDWR 0x02 870 #endif 871 872 /* Define S_ISREG if not defined by system headers, e.g. MSVC */ 873 #if !defined(S_ISREG) && defined(S_IFMT) && defined(S_IFREG) 874 #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) 875 #endif 876 877 /* Define S_ISDIR if not defined by system headers, e.g. MSVC */ 878 #if !defined(S_ISDIR) && defined(S_IFMT) && defined(S_IFDIR) 879 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) 880 #endif 881 882 /* In Windows the default file mode is text but an application can override it. 883 Therefore we specify it explicitly. https://github.com/curl/curl/pull/258 884 */ 885 #if defined(_WIN32) || defined(MSDOS) 886 #define FOPEN_READTEXT "rt" 887 #define FOPEN_WRITETEXT "wt" 888 #define FOPEN_APPENDTEXT "at" 889 #elif defined(__CYGWIN__) 890 /* Cygwin has specific behavior we need to address when _WIN32 is not defined. 891 https://cygwin.com/cygwin-ug-net/using-textbinary.html 892 For write we want our output to have line endings of LF and be compatible with 893 other Cygwin utilities. For read we want to handle input that may have line 894 endings either CRLF or LF so 't' is appropriate. 895 */ 896 #define FOPEN_READTEXT "rt" 897 #define FOPEN_WRITETEXT "w" 898 #define FOPEN_APPENDTEXT "a" 899 #else 900 #define FOPEN_READTEXT "r" 901 #define FOPEN_WRITETEXT "w" 902 #define FOPEN_APPENDTEXT "a" 903 #endif 904 905 /* for systems that do not detect this in configure */ 906 #ifndef CURL_SA_FAMILY_T 907 # if defined(HAVE_SA_FAMILY_T) 908 # define CURL_SA_FAMILY_T sa_family_t 909 # elif defined(HAVE_ADDRESS_FAMILY) 910 # define CURL_SA_FAMILY_T ADDRESS_FAMILY 911 # elif defined(__AMIGA__) 912 # define CURL_SA_FAMILY_T unsigned char 913 # else 914 /* use a sensible default */ 915 # define CURL_SA_FAMILY_T unsigned short 916 # endif 917 #endif 918 919 /* Some convenience macros to get the larger/smaller value out of two given. 920 We prefix with CURL to prevent name collisions. */ 921 #define CURLMAX(x,y) ((x)>(y)?(x):(y)) 922 #define CURLMIN(x,y) ((x)<(y)?(x):(y)) 923 924 /* A convenience macro to provide both the string literal and the length of 925 the string literal in one go, useful for functions that take "string,len" 926 as their argument */ 927 #define STRCONST(x) x,sizeof(x)-1 928 929 /* Some versions of the Android SDK is missing the declaration */ 930 #if defined(HAVE_GETPWUID_R) && defined(HAVE_DECL_GETPWUID_R_MISSING) 931 struct passwd; 932 int getpwuid_r(uid_t uid, struct passwd *pwd, char *buf, 933 size_t buflen, struct passwd **result); 934 #endif 935 936 #ifdef UNITTESTS 937 #define UNITTEST 938 #else 939 #define UNITTEST static 940 #endif 941 942 #if defined(USE_NGHTTP2) 943 #define USE_HTTP2 944 #endif 945 946 #if (defined(USE_NGTCP2) && defined(USE_NGHTTP3)) || \ 947 (defined(USE_OPENSSL_QUIC) && defined(USE_NGHTTP3)) || \ 948 defined(USE_QUICHE) || defined(USE_MSH3) 949 950 #ifdef CURL_WITH_MULTI_SSL 951 #error "Multi-SSL combined with QUIC is not supported" 952 #endif 953 954 #define USE_HTTP3 955 #endif 956 957 /* Certain Windows implementations are not aligned with what curl expects, 958 so always use the local one on this platform. E.g. the mingw-w64 959 implementation can return wrong results for non-ASCII inputs. */ 960 #if defined(HAVE_BASENAME) && defined(_WIN32) 961 #undef HAVE_BASENAME 962 #endif 963 964 #if defined(USE_UNIX_SOCKETS) && defined(_WIN32) 965 # if !defined(UNIX_PATH_MAX) 966 /* Replicating logic present in afunix.h 967 (distributed with newer Windows 10 SDK versions only) */ 968 # define UNIX_PATH_MAX 108 969 /* !checksrc! disable TYPEDEFSTRUCT 1 */ 970 typedef struct sockaddr_un { 971 ADDRESS_FAMILY sun_family; 972 char sun_path[UNIX_PATH_MAX]; 973 } SOCKADDR_UN, *PSOCKADDR_UN; 974 # define WIN32_SOCKADDR_UN 975 # endif 976 #endif 977 978 /* OpenSSLv3 marks DES, MD5 and ENGINE functions deprecated but we have no 979 replacements (yet) so tell the compiler to not warn for them. */ 980 #ifdef USE_OPENSSL 981 #define OPENSSL_SUPPRESS_DEPRECATED 982 #endif 983 984 #if defined(CURL_INLINE) 985 /* 'CURL_INLINE' defined, use as-is */ 986 #elif defined(inline) 987 # define CURL_INLINE inline /* 'inline' defined, assumed correct */ 988 #elif defined(__cplusplus) 989 /* The code is compiled with C++ compiler. 990 C++ always supports 'inline'. */ 991 # define CURL_INLINE inline /* 'inline' keyword supported */ 992 #elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901 993 /* C99 (and later) supports 'inline' keyword */ 994 # define CURL_INLINE inline /* 'inline' keyword supported */ 995 #elif defined(__GNUC__) && __GNUC__ >= 3 996 /* GCC supports '__inline__' as an extension */ 997 # define CURL_INLINE __inline__ 998 #elif defined(_MSC_VER) && _MSC_VER >= 1400 999 /* MSC supports '__inline' from VS 2005 (or even earlier) */ 1000 # define CURL_INLINE __inline 1001 #else 1002 /* Probably 'inline' is not supported by compiler. 1003 Define to the empty string to be on the safe side. */ 1004 # define CURL_INLINE /* empty */ 1005 #endif 1006 1007 #endif /* HEADER_CURL_SETUP_H */ 1008
