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, <[email protected]>, 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 and newer (as of 14.1.0) 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 Fix it by overriding the built-in feature-check macro used by the headers 55 to enable the problematic attributes. This makes the feature check fail. */ 56 #if defined(__APPLE__) && \ 57 !defined(__clang__) && \ 58 defined(__GNUC__) && __GNUC__ >= 12 && \ 59 defined(__has_attribute) 60 #define availability curl_pp_attribute_disabled 61 #endif 62 63 #if defined(__APPLE__) 64 #include <sys/types.h> 65 #include <TargetConditionals.h> 66 /* Fixup faulty target macro initialization in macOS SDK since v14.4 (as of 67 15.0 beta). The SDK target detection in `TargetConditionals.h` correctly 68 detects macOS, but fails to set the macro's old name `TARGET_OS_OSX`, then 69 continues to set it to a default value of 0. Other parts of the SDK still 70 rely on the old name, and with this inconsistency our builds fail due to 71 missing declarations. It happens when using mainline llvm older than v18. 72 Later versions fixed it by predefining these target macros, avoiding the 73 faulty dynamic detection. gcc is not affected (for now) because it lacks 74 the necessary dynamic detection features, so the SDK falls back to 75 a codepath that sets both the old and new macro to 1. */ 76 #if defined(TARGET_OS_MAC) && TARGET_OS_MAC && \ 77 defined(TARGET_OS_OSX) && !TARGET_OS_OSX && \ 78 (!defined(TARGET_OS_IPHONE) || !TARGET_OS_IPHONE) && \ 79 (!defined(TARGET_OS_SIMULATOR) || !TARGET_OS_SIMULATOR) 80 #undef TARGET_OS_OSX 81 #define TARGET_OS_OSX TARGET_OS_MAC 82 #endif 83 #endif 84 85 /* 86 * Disable Visual Studio warnings: 87 * 4127 "conditional expression is constant" 88 */ 89 #ifdef _MSC_VER 90 #pragma warning(disable:4127) 91 #endif 92 93 #ifdef _WIN32 94 /* 95 * Do not include unneeded stuff in Windows headers to avoid compiler 96 * warnings and macro clashes. 97 * Make sure to define this macro before including any Windows headers. 98 */ 99 # ifndef WIN32_LEAN_AND_MEAN 100 # define WIN32_LEAN_AND_MEAN 101 # endif 102 # ifndef NOGDI 103 # define NOGDI 104 # endif 105 /* Detect Windows App environment which has a restricted access 106 * to the Win32 APIs. */ 107 # if (defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0602)) || \ 108 defined(WINAPI_FAMILY) 109 # include <winapifamily.h> 110 # if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) && \ 111 !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) 112 # define CURL_WINDOWS_UWP 113 # endif 114 # endif 115 #endif 116 117 /* Compatibility */ 118 #if defined(ENABLE_IPV6) 119 # define USE_IPV6 1 120 #endif 121 122 /* 123 * Include configuration script results or hand-crafted 124 * configuration file for platforms which lack config tool. 125 */ 126 127 #ifdef HAVE_CONFIG_H 128 129 #include "curl_config.h" 130 131 #else /* HAVE_CONFIG_H */ 132 133 #ifdef _WIN32_WCE 134 # include "config-win32ce.h" 135 #else 136 # ifdef _WIN32 137 # include "config-win32.h" 138 # endif 139 #endif 140 141 #ifdef macintosh 142 # include "config-mac.h" 143 #endif 144 145 #ifdef __riscos__ 146 # include "config-riscos.h" 147 #endif 148 149 #ifdef __AMIGA__ 150 # include "config-amigaos.h" 151 #endif 152 153 #ifdef __OS400__ 154 # include "config-os400.h" 155 #endif 156 157 #ifdef __PLAN9__ 158 # include "config-plan9.h" 159 #endif 160 161 #ifdef MSDOS 162 # include "config-dos.h" 163 #endif 164 165 #endif /* HAVE_CONFIG_H */ 166 167 /* ================================================================ */ 168 /* Definition of preprocessor macros/symbols which modify compiler */ 169 /* behavior or generated code characteristics must be done here, */ 170 /* as appropriate, before any system header file is included. It is */ 171 /* also possible to have them defined in the config file included */ 172 /* before this point. As a result of all this we frown inclusion of */ 173 /* system header files in our config files, avoid this at any cost. */ 174 /* ================================================================ */ 175 176 /* 177 * AIX 4.3 and newer needs _THREAD_SAFE defined to build 178 * proper reentrant code. Others may also need it. 179 */ 180 181 #ifdef NEED_THREAD_SAFE 182 # ifndef _THREAD_SAFE 183 # define _THREAD_SAFE 184 # endif 185 #endif 186 187 /* 188 * Tru64 needs _REENTRANT set for a few function prototypes and 189 * things to appear in the system header files. Unixware needs it 190 * to build proper reentrant code. Others may also need it. 191 */ 192 193 #ifdef NEED_REENTRANT 194 # ifndef _REENTRANT 195 # define _REENTRANT 196 # endif 197 #endif 198 199 /* Solaris needs this to get a POSIX-conformant getpwuid_r */ 200 #if defined(sun) || defined(__sun) 201 # ifndef _POSIX_PTHREAD_SEMANTICS 202 # define _POSIX_PTHREAD_SEMANTICS 1 203 # endif 204 #endif 205 206 /* ================================================================ */ 207 /* If you need to include a system header file for your platform, */ 208 /* please, do it beyond the point further indicated in this file. */ 209 /* ================================================================ */ 210 211 /* Give calloc a chance to be dragging in early, so we do not redefine */ 212 #if defined(USE_THREADS_POSIX) && defined(HAVE_PTHREAD_H) 213 # include <pthread.h> 214 #endif 215 216 /* 217 * Disable other protocols when http is the only one desired. 218 */ 219 220 #ifdef HTTP_ONLY 221 # ifndef CURL_DISABLE_DICT 222 # define CURL_DISABLE_DICT 223 # endif 224 # ifndef CURL_DISABLE_FILE 225 # define CURL_DISABLE_FILE 226 # endif 227 # ifndef CURL_DISABLE_FTP 228 # define CURL_DISABLE_FTP 229 # endif 230 # ifndef CURL_DISABLE_GOPHER 231 # define CURL_DISABLE_GOPHER 232 # endif 233 # ifndef CURL_DISABLE_IMAP 234 # define CURL_DISABLE_IMAP 235 # endif 236 # ifndef CURL_DISABLE_LDAP 237 # define CURL_DISABLE_LDAP 238 # endif 239 # ifndef CURL_DISABLE_LDAPS 240 # define CURL_DISABLE_LDAPS 241 # endif 242 # ifndef CURL_DISABLE_MQTT 243 # define CURL_DISABLE_MQTT 244 # endif 245 # ifndef CURL_DISABLE_POP3 246 # define CURL_DISABLE_POP3 247 # endif 248 # ifndef CURL_DISABLE_RTSP 249 # define CURL_DISABLE_RTSP 250 # endif 251 # ifndef CURL_DISABLE_SMB 252 # define CURL_DISABLE_SMB 253 # endif 254 # ifndef CURL_DISABLE_SMTP 255 # define CURL_DISABLE_SMTP 256 # endif 257 # ifndef CURL_DISABLE_TELNET 258 # define CURL_DISABLE_TELNET 259 # endif 260 # ifndef CURL_DISABLE_TFTP 261 # define CURL_DISABLE_TFTP 262 # endif 263 #endif 264 265 /* 266 * When http is disabled rtsp is not supported. 267 */ 268 269 #if defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_RTSP) 270 # define CURL_DISABLE_RTSP 271 #endif 272 273 /* 274 * When HTTP is disabled, disable HTTP-only features 275 */ 276 277 #if defined(CURL_DISABLE_HTTP) 278 # define CURL_DISABLE_ALTSVC 1 279 # define CURL_DISABLE_COOKIES 1 280 # define CURL_DISABLE_BASIC_AUTH 1 281 # define CURL_DISABLE_BEARER_AUTH 1 282 # define CURL_DISABLE_AWS 1 283 # define CURL_DISABLE_DOH 1 284 # define CURL_DISABLE_FORM_API 1 285 # define CURL_DISABLE_HEADERS_API 1 286 # define CURL_DISABLE_HSTS 1 287 # define CURL_DISABLE_HTTP_AUTH 1 288 #endif 289 290 /* ================================================================ */ 291 /* No system header file shall be included in this file before this */ 292 /* point. */ 293 /* ================================================================ */ 294 295 /* 296 * OS/400 setup file includes some system headers. 297 */ 298 299 #ifdef __OS400__ 300 # include "setup-os400.h" 301 #endif 302 303 /* 304 * VMS setup file includes some system headers. 305 */ 306 307 #ifdef __VMS 308 # include "setup-vms.h" 309 #endif 310 311 /* 312 * Windows setup file includes some system headers. 313 */ 314 315 #ifdef _WIN32 316 # include "setup-win32.h" 317 #endif 318 319 #include <curl/system.h> 320 321 /* Helper macro to expand and concatenate two macros. 322 * Direct macros concatenation does not work because macros 323 * are not expanded before direct concatenation. 324 */ 325 #define CURL_CONC_MACROS_(A,B) A ## B 326 #define CURL_CONC_MACROS(A,B) CURL_CONC_MACROS_(A,B) 327 328 /* curl uses its own printf() function internally. It understands the GNU 329 * format. Use this format, so that is matches the GNU format attribute we 330 * use with the MinGW compiler, allowing it to verify them at compile-time. 331 */ 332 #ifdef __MINGW32__ 333 # undef CURL_FORMAT_CURL_OFF_T 334 # undef CURL_FORMAT_CURL_OFF_TU 335 # define CURL_FORMAT_CURL_OFF_T "lld" 336 # define CURL_FORMAT_CURL_OFF_TU "llu" 337 #endif 338 339 /* based on logic in "curl/mprintf.h" */ 340 341 #if (defined(__GNUC__) || defined(__clang__) || \ 342 defined(__IAR_SYSTEMS_ICC__)) && \ 343 defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && \ 344 !defined(CURL_NO_FMT_CHECKS) 345 #if defined(__MINGW32__) && !defined(__clang__) 346 #define CURL_PRINTF(fmt, arg) \ 347 __attribute__((format(gnu_printf, fmt, arg))) 348 #else 349 #define CURL_PRINTF(fmt, arg) \ 350 __attribute__((format(__printf__, fmt, arg))) 351 #endif 352 #else 353 #define CURL_PRINTF(fmt, arg) 354 #endif 355 356 /* Override default printf mask check rules in "curl/mprintf.h" */ 357 #define CURL_TEMP_PRINTF CURL_PRINTF 358 359 /* Workaround for mainline llvm v16 and earlier missing a built-in macro 360 expected by macOS SDK v14 / Xcode v15 (2023) and newer. 361 gcc (as of v14) is also missing it. */ 362 #if defined(__APPLE__) && \ 363 ((!defined(__apple_build_version__) && \ 364 defined(__clang__) && __clang_major__ < 17) || \ 365 (defined(__GNUC__) && __GNUC__ <= 14)) && \ 366 defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && \ 367 !defined(__ENVIRONMENT_OS_VERSION_MIN_REQUIRED__) 368 #define __ENVIRONMENT_OS_VERSION_MIN_REQUIRED__ \ 369 __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ 370 #endif 371 372 /* 373 * Use getaddrinfo to resolve the IPv4 address literal. If the current network 374 * interface does not support IPv4, but supports IPv6, NAT64, and DNS64, 375 * performing this task will result in a synthesized IPv6 address. 376 */ 377 #if defined(__APPLE__) && !defined(USE_ARES) 378 #define USE_RESOLVE_ON_IPS 1 379 # if TARGET_OS_MAC && !(defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) && \ 380 defined(USE_IPV6) 381 # define CURL_MACOS_CALL_COPYPROXIES 1 382 # endif 383 #endif 384 385 #ifdef USE_LWIPSOCK 386 # include <lwip/init.h> 387 # include <lwip/sockets.h> 388 # include <lwip/netdb.h> 389 #endif 390 391 #ifdef HAVE_EXTRA_STRICMP_H 392 # include <extra/stricmp.h> 393 #endif 394 395 #ifdef HAVE_EXTRA_STRDUP_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 /* 458 * Large file (>2Gb) support using Win32 functions. 459 */ 460 461 #ifdef USE_WIN32_LARGE_FILES 462 # include <io.h> 463 # include <sys/types.h> 464 # include <sys/stat.h> 465 # undef lseek 466 # define lseek(fdes,offset,whence) _lseeki64(fdes, offset, whence) 467 # undef fstat 468 # define fstat(fdes,stp) _fstati64(fdes, stp) 469 # undef stat 470 # define stat(fname,stp) curlx_win32_stat(fname, stp) 471 # define struct_stat struct _stati64 472 # define LSEEK_ERROR (__int64)-1 473 # define open curlx_win32_open 474 # define fopen(fname,mode) curlx_win32_fopen(fname, mode) 475 int curlx_win32_open(const char *filename, int oflag, ...); 476 int curlx_win32_stat(const char *path, struct_stat *buffer); 477 FILE *curlx_win32_fopen(const char *filename, const char *mode); 478 #endif 479 480 /* 481 * Small file (<2Gb) support using Win32 functions. 482 */ 483 484 #ifdef USE_WIN32_SMALL_FILES 485 # include <io.h> 486 # include <sys/types.h> 487 # include <sys/stat.h> 488 # ifndef _WIN32_WCE 489 # undef lseek 490 # define lseek(fdes,offset,whence) _lseek(fdes, (long)offset, whence) 491 # define fstat(fdes,stp) _fstat(fdes, stp) 492 # define stat(fname,stp) curlx_win32_stat(fname, stp) 493 # define struct_stat struct _stat 494 # define open curlx_win32_open 495 # define fopen(fname,mode) curlx_win32_fopen(fname, mode) 496 int curlx_win32_stat(const char *path, struct_stat *buffer); 497 int curlx_win32_open(const char *filename, int oflag, ...); 498 FILE *curlx_win32_fopen(const char *filename, const char *mode); 499 # endif 500 # define LSEEK_ERROR (long)-1 501 #endif 502 503 #ifndef struct_stat 504 # define struct_stat struct stat 505 #endif 506 507 #ifndef LSEEK_ERROR 508 # define LSEEK_ERROR (off_t)-1 509 #endif 510 511 #ifndef SIZEOF_TIME_T 512 /* assume default size of time_t to be 32 bits */ 513 #define SIZEOF_TIME_T 4 514 #endif 515 516 #ifndef SIZEOF_CURL_SOCKET_T 517 /* configure and cmake check and set the define */ 518 # ifdef _WIN64 519 # define SIZEOF_CURL_SOCKET_T 8 520 # else 521 /* default guess */ 522 # define SIZEOF_CURL_SOCKET_T 4 523 # endif 524 #endif 525 526 #if SIZEOF_CURL_SOCKET_T < 8 527 # define FMT_SOCKET_T "d" 528 #elif defined(__MINGW32__) 529 # define FMT_SOCKET_T "zd" 530 #else 531 # define FMT_SOCKET_T "qd" 532 #endif 533 534 /* 535 * Default sizeof(off_t) in case it has not been defined in config file. 536 */ 537 538 #ifndef SIZEOF_OFF_T 539 # if defined(__VMS) && !defined(__VAX) 540 # if defined(_LARGEFILE) 541 # define SIZEOF_OFF_T 8 542 # endif 543 # elif defined(__OS400__) && defined(__ILEC400__) 544 # if defined(_LARGE_FILES) 545 # define SIZEOF_OFF_T 8 546 # endif 547 # elif defined(__MVS__) && defined(__IBMC__) 548 # if defined(_LP64) || defined(_LARGE_FILES) 549 # define SIZEOF_OFF_T 8 550 # endif 551 # elif defined(__370__) && defined(__IBMC__) 552 # if defined(_LP64) || defined(_LARGE_FILES) 553 # define SIZEOF_OFF_T 8 554 # endif 555 # endif 556 # ifndef SIZEOF_OFF_T 557 # define SIZEOF_OFF_T 4 558 # endif 559 #endif 560 561 #if (SIZEOF_CURL_OFF_T < 8) 562 #error "too small curl_off_t" 563 #else 564 /* assume SIZEOF_CURL_OFF_T == 8 */ 565 # define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF) 566 #endif 567 #define CURL_OFF_T_MIN (-CURL_OFF_T_MAX - CURL_OFF_T_C(1)) 568 569 #if (SIZEOF_CURL_OFF_T != 8) 570 # error "curl_off_t must be exactly 64 bits" 571 #else 572 typedef unsigned CURL_TYPEOF_CURL_OFF_T curl_uint64_t; 573 typedef CURL_TYPEOF_CURL_OFF_T curl_int64_t; 574 # ifndef CURL_SUFFIX_CURL_OFF_TU 575 # error "CURL_SUFFIX_CURL_OFF_TU must be defined" 576 # endif 577 # define CURL_UINT64_SUFFIX CURL_SUFFIX_CURL_OFF_TU 578 # define CURL_UINT64_C(val) CURL_CONC_MACROS(val,CURL_UINT64_SUFFIX) 579 # define FMT_PRId64 CURL_FORMAT_CURL_OFF_T 580 # define FMT_PRIu64 CURL_FORMAT_CURL_OFF_TU 581 #endif 582 583 #define FMT_OFF_T CURL_FORMAT_CURL_OFF_T 584 #define FMT_OFF_TU CURL_FORMAT_CURL_OFF_TU 585 586 #if (SIZEOF_TIME_T == 4) 587 # ifdef HAVE_TIME_T_UNSIGNED 588 # define TIME_T_MAX UINT_MAX 589 # define TIME_T_MIN 0 590 # else 591 # define TIME_T_MAX INT_MAX 592 # define TIME_T_MIN INT_MIN 593 # endif 594 #else 595 # ifdef HAVE_TIME_T_UNSIGNED 596 # define TIME_T_MAX 0xFFFFFFFFFFFFFFFF 597 # define TIME_T_MIN 0 598 # else 599 # define TIME_T_MAX 0x7FFFFFFFFFFFFFFF 600 # define TIME_T_MIN (-TIME_T_MAX - 1) 601 # endif 602 #endif 603 604 #ifndef SIZE_T_MAX 605 /* some limits.h headers have this defined, some do not */ 606 #if defined(SIZEOF_SIZE_T) && (SIZEOF_SIZE_T > 4) 607 #define SIZE_T_MAX 18446744073709551615U 608 #else 609 #define SIZE_T_MAX 4294967295U 610 #endif 611 #endif 612 613 #ifndef SSIZE_T_MAX 614 /* some limits.h headers have this defined, some do not */ 615 #if defined(SIZEOF_SIZE_T) && (SIZEOF_SIZE_T > 4) 616 #define SSIZE_T_MAX 9223372036854775807 617 #else 618 #define SSIZE_T_MAX 2147483647 619 #endif 620 #endif 621 622 /* 623 * Arg 2 type for gethostname in case it has not been defined in config file. 624 */ 625 626 #ifndef GETHOSTNAME_TYPE_ARG2 627 # ifdef USE_WINSOCK 628 # define GETHOSTNAME_TYPE_ARG2 int 629 # else 630 # define GETHOSTNAME_TYPE_ARG2 size_t 631 # endif 632 #endif 633 634 /* Below we define some functions. They should 635 636 4. set the SIGALRM signal timeout 637 5. set dir/file naming defines 638 */ 639 640 #ifdef _WIN32 641 642 # define DIR_CHAR "\\" 643 644 #else /* _WIN32 */ 645 646 # ifdef MSDOS /* Watt-32 */ 647 648 # include <sys/ioctl.h> 649 # define select(n,r,w,x,t) select_s(n,r,w,x,t) 650 # define ioctl(x,y,z) ioctlsocket(x,y,(char *)(z)) 651 # include <tcp.h> 652 # ifdef word 653 # undef word 654 # endif 655 # ifdef byte 656 # undef byte 657 # endif 658 659 # endif /* MSDOS */ 660 661 # ifdef __minix 662 /* Minix 3 versions up to at least 3.1.3 are missing these prototypes */ 663 extern char *strtok_r(char *s, const char *delim, char **last); 664 extern struct tm *gmtime_r(const time_t * const timep, struct tm *tmp); 665 # endif 666 667 # define DIR_CHAR "/" 668 669 #endif /* _WIN32 */ 670 671 /* ---------------------------------------------------------------- */ 672 /* resolver specialty compile-time defines */ 673 /* CURLRES_* defines to use in the host*.c sources */ 674 /* ---------------------------------------------------------------- */ 675 676 /* 677 * MSVC threads support requires a multi-threaded runtime library. 678 * _beginthreadex() is not available in single-threaded ones. 679 */ 680 681 #if defined(_MSC_VER) && !defined(_MT) 682 # undef USE_THREADS_POSIX 683 # undef USE_THREADS_WIN32 684 #endif 685 686 /* 687 * Mutually exclusive CURLRES_* definitions. 688 */ 689 690 #if defined(USE_IPV6) && defined(HAVE_GETADDRINFO) 691 # define CURLRES_IPV6 692 #elif defined(USE_IPV6) && (defined(_WIN32) || defined(__CYGWIN__)) 693 /* assume on Windows that IPv6 without getaddrinfo is a broken build */ 694 # error "Unexpected build: IPv6 is enabled but getaddrinfo was not found." 695 #else 696 # define CURLRES_IPV4 697 #endif 698 699 #ifdef USE_ARES 700 # define CURLRES_ASYNCH 701 # define CURLRES_ARES 702 /* now undef the stock libc functions just to avoid them being used */ 703 # undef HAVE_GETADDRINFO 704 # undef HAVE_FREEADDRINFO 705 #elif defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32) 706 # define CURLRES_ASYNCH 707 # define CURLRES_THREADED 708 #else 709 # define CURLRES_SYNCH 710 #endif 711 712 /* ---------------------------------------------------------------- */ 713 714 #if defined(HAVE_LIBIDN2) && defined(HAVE_IDN2_H) && \ 715 !defined(USE_WIN32_IDN) && !defined(USE_APPLE_IDN) 716 /* The lib and header are present */ 717 #define USE_LIBIDN2 718 #endif 719 720 #if defined(USE_LIBIDN2) && (defined(USE_WIN32_IDN) || defined(USE_APPLE_IDN)) 721 #error "libidn2 cannot be enabled with WinIDN or AppleIDN, choose one." 722 #endif 723 724 #define LIBIDN_REQUIRED_VERSION "0.4.1" 725 726 #if defined(USE_GNUTLS) || defined(USE_OPENSSL) || defined(USE_MBEDTLS) || \ 727 defined(USE_WOLFSSL) || defined(USE_SCHANNEL) || defined(USE_SECTRANSP) || \ 728 defined(USE_BEARSSL) || defined(USE_RUSTLS) 729 #define USE_SSL /* SSL support has been enabled */ 730 #endif 731 732 #if defined(USE_WOLFSSL) && defined(USE_GNUTLS) 733 /* Avoid defining unprefixed wolfSSL SHA macros colliding with nettle ones */ 734 #define NO_OLD_WC_NAMES 735 #endif 736 737 /* Single point where USE_SPNEGO definition might be defined */ 738 #if !defined(CURL_DISABLE_NEGOTIATE_AUTH) && \ 739 (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)) 740 #define USE_SPNEGO 741 #endif 742 743 /* Single point where USE_KERBEROS5 definition might be defined */ 744 #if !defined(CURL_DISABLE_KERBEROS_AUTH) && \ 745 (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)) 746 #define USE_KERBEROS5 747 #endif 748 749 /* Single point where USE_NTLM definition might be defined */ 750 #if !defined(CURL_DISABLE_NTLM) 751 # if defined(USE_OPENSSL) || defined(USE_MBEDTLS) || \ 752 defined(USE_GNUTLS) || defined(USE_SECTRANSP) || \ 753 defined(USE_OS400CRYPTO) || defined(USE_WIN32_CRYPTO) || \ 754 (defined(USE_WOLFSSL) && defined(HAVE_WOLFSSL_DES_ECB_ENCRYPT)) 755 # define USE_CURL_NTLM_CORE 756 # endif 757 # if defined(USE_CURL_NTLM_CORE) || defined(USE_WINDOWS_SSPI) 758 # define USE_NTLM 759 # endif 760 #endif 761 762 #ifdef CURL_WANTS_CA_BUNDLE_ENV 763 #error "No longer supported. Set CURLOPT_CAINFO at runtime instead." 764 #endif 765 766 #if defined(USE_LIBSSH2) || defined(USE_LIBSSH) || defined(USE_WOLFSSH) 767 #define USE_SSH 768 #endif 769 770 /* 771 * Provide a mechanism to silence picky compilers, such as gcc 4.6+. 772 * Parameters should of course normally not be unused, but for example when 773 * we have multiple implementations of the same interface it may happen. 774 */ 775 776 #if defined(__GNUC__) && ((__GNUC__ >= 3) || \ 777 ((__GNUC__ == 2) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ >= 7))) 778 # define UNUSED_PARAM __attribute__((__unused__)) 779 # define WARN_UNUSED_RESULT __attribute__((warn_unused_result)) 780 #elif defined(__IAR_SYSTEMS_ICC__) 781 # define UNUSED_PARAM __attribute__((__unused__)) 782 # if (__VER__ >= 9040001) 783 # define WARN_UNUSED_RESULT __attribute__((warn_unused_result)) 784 # else 785 # define WARN_UNUSED_RESULT 786 # endif 787 #else 788 # define UNUSED_PARAM /* NOTHING */ 789 # define WARN_UNUSED_RESULT 790 #endif 791 792 /* noreturn attribute */ 793 794 #if !defined(CURL_NORETURN) 795 #if (defined(__GNUC__) && (__GNUC__ >= 3)) || defined(__clang__) || \ 796 defined(__IAR_SYSTEMS_ICC__) 797 # define CURL_NORETURN __attribute__((__noreturn__)) 798 #elif defined(_MSC_VER) && (_MSC_VER >= 1200) 799 # define CURL_NORETURN __declspec(noreturn) 800 #else 801 # define CURL_NORETURN 802 #endif 803 #endif 804 805 /* fallthrough attribute */ 806 807 #if !defined(FALLTHROUGH) 808 #if (defined(__GNUC__) && __GNUC__ >= 7) || \ 809 (defined(__clang__) && __clang_major__ >= 10) 810 # define FALLTHROUGH() __attribute__((fallthrough)) 811 #else 812 # define FALLTHROUGH() do {} while (0) 813 #endif 814 #endif 815 816 /* 817 * Include macros and defines that should only be processed once. 818 */ 819 820 #ifndef HEADER_CURL_SETUP_ONCE_H 821 #include "curl_setup_once.h" 822 #endif 823 824 /* 825 * Definition of our NOP statement Object-like macro 826 */ 827 828 #ifndef Curl_nop_stmt 829 # define Curl_nop_stmt do { } while(0) 830 #endif 831 832 /* 833 * Ensure that Winsock and lwIP TCP/IP stacks are not mixed. 834 */ 835 836 #if defined(__LWIP_OPT_H__) || defined(LWIP_HDR_OPT_H) 837 # if defined(SOCKET) || defined(USE_WINSOCK) 838 # error "Winsock and lwIP TCP/IP stack definitions shall not coexist!" 839 # endif 840 #endif 841 842 /* 843 * shutdown() flags for systems that do not define them 844 */ 845 846 #ifndef SHUT_RD 847 #define SHUT_RD 0x00 848 #endif 849 850 #ifndef SHUT_WR 851 #define SHUT_WR 0x01 852 #endif 853 854 #ifndef SHUT_RDWR 855 #define SHUT_RDWR 0x02 856 #endif 857 858 /* Define S_ISREG if not defined by system headers, e.g. MSVC */ 859 #if !defined(S_ISREG) && defined(S_IFMT) && defined(S_IFREG) 860 #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) 861 #endif 862 863 /* Define S_ISDIR if not defined by system headers, e.g. MSVC */ 864 #if !defined(S_ISDIR) && defined(S_IFMT) && defined(S_IFDIR) 865 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) 866 #endif 867 868 /* In Windows the default file mode is text but an application can override it. 869 Therefore we specify it explicitly. https://github.com/curl/curl/pull/258 870 */ 871 #if defined(_WIN32) || defined(MSDOS) 872 #define FOPEN_READTEXT "rt" 873 #define FOPEN_WRITETEXT "wt" 874 #define FOPEN_APPENDTEXT "at" 875 #elif defined(__CYGWIN__) 876 /* Cygwin has specific behavior we need to address when _WIN32 is not defined. 877 https://cygwin.com/cygwin-ug-net/using-textbinary.html 878 For write we want our output to have line endings of LF and be compatible with 879 other Cygwin utilities. For read we want to handle input that may have line 880 endings either CRLF or LF so 't' is appropriate. 881 */ 882 #define FOPEN_READTEXT "rt" 883 #define FOPEN_WRITETEXT "w" 884 #define FOPEN_APPENDTEXT "a" 885 #else 886 #define FOPEN_READTEXT "r" 887 #define FOPEN_WRITETEXT "w" 888 #define FOPEN_APPENDTEXT "a" 889 #endif 890 891 /* for systems that do not detect this in configure */ 892 #ifndef CURL_SA_FAMILY_T 893 # if defined(HAVE_SA_FAMILY_T) 894 # define CURL_SA_FAMILY_T sa_family_t 895 # elif defined(HAVE_ADDRESS_FAMILY) 896 # define CURL_SA_FAMILY_T ADDRESS_FAMILY 897 # else 898 /* use a sensible default */ 899 # define CURL_SA_FAMILY_T unsigned short 900 # endif 901 #endif 902 903 /* Some convenience macros to get the larger/smaller value out of two given. 904 We prefix with CURL to prevent name collisions. */ 905 #define CURLMAX(x,y) ((x)>(y)?(x):(y)) 906 #define CURLMIN(x,y) ((x)<(y)?(x):(y)) 907 908 /* A convenience macro to provide both the string literal and the length of 909 the string literal in one go, useful for functions that take "string,len" 910 as their argument */ 911 #define STRCONST(x) x,sizeof(x)-1 912 913 /* Some versions of the Android SDK is missing the declaration */ 914 #if defined(HAVE_GETPWUID_R) && defined(HAVE_DECL_GETPWUID_R_MISSING) 915 struct passwd; 916 int getpwuid_r(uid_t uid, struct passwd *pwd, char *buf, 917 size_t buflen, struct passwd **result); 918 #endif 919 920 #ifdef UNITTESTS 921 #define UNITTEST 922 #else 923 #define UNITTEST static 924 #endif 925 926 /* Hyper supports HTTP2 also, but Curl's integration with Hyper does not */ 927 #if defined(USE_NGHTTP2) 928 #define USE_HTTP2 929 #endif 930 931 #if (defined(USE_NGTCP2) && defined(USE_NGHTTP3)) || \ 932 (defined(USE_OPENSSL_QUIC) && defined(USE_NGHTTP3)) || \ 933 defined(USE_QUICHE) || defined(USE_MSH3) 934 935 #ifdef CURL_WITH_MULTI_SSL 936 #error "Multi-SSL combined with QUIC is not supported" 937 #endif 938 939 #define USE_HTTP3 940 #endif 941 942 /* Certain Windows implementations are not aligned with what curl expects, 943 so always use the local one on this platform. E.g. the mingw-w64 944 implementation can return wrong results for non-ASCII inputs. */ 945 #if defined(HAVE_BASENAME) && defined(_WIN32) 946 #undef HAVE_BASENAME 947 #endif 948 949 #if defined(USE_UNIX_SOCKETS) && defined(_WIN32) 950 # if !defined(UNIX_PATH_MAX) 951 /* Replicating logic present in afunix.h 952 (distributed with newer Windows 10 SDK versions only) */ 953 # define UNIX_PATH_MAX 108 954 /* !checksrc! disable TYPEDEFSTRUCT 1 */ 955 typedef struct sockaddr_un { 956 ADDRESS_FAMILY sun_family; 957 char sun_path[UNIX_PATH_MAX]; 958 } SOCKADDR_UN, *PSOCKADDR_UN; 959 # define WIN32_SOCKADDR_UN 960 # endif 961 #endif 962 963 /* OpenSSLv3 marks DES, MD5 and ENGINE functions deprecated but we have no 964 replacements (yet) so tell the compiler to not warn for them. */ 965 #ifdef USE_OPENSSL 966 #define OPENSSL_SUPPRESS_DEPRECATED 967 #endif 968 969 #if defined(inline) 970 /* 'inline' is defined as macro and assumed to be correct */ 971 /* No need for 'inline' replacement */ 972 #elif defined(__cplusplus) 973 /* The code is compiled with C++ compiler. 974 C++ always supports 'inline'. */ 975 /* No need for 'inline' replacement */ 976 #elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901 977 /* C99 (and later) supports 'inline' keyword */ 978 /* No need for 'inline' replacement */ 979 #elif defined(__GNUC__) && __GNUC__ >= 3 980 /* GCC supports '__inline__' as an extension */ 981 # define inline __inline__ 982 #elif defined(_MSC_VER) && _MSC_VER >= 1400 983 /* MSC supports '__inline' from VS 2005 (or even earlier) */ 984 # define inline __inline 985 #else 986 /* Probably 'inline' is not supported by compiler. 987 Define to the empty string to be on the safe side. */ 988 # define inline /* empty */ 989 #endif 990 991 #endif /* HEADER_CURL_SETUP_H */ 992