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 #ifdef __GNUC__ 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 /* 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 /* No system header file shall be included in this file before this */ 287 /* point. */ 288 /* ================================================================ */ 289 290 /* 291 * OS/400 setup file includes some system headers. 292 */ 293 294 #ifdef __OS400__ 295 # include "setup-os400.h" 296 #endif 297 298 /* 299 * VMS setup file includes some system headers. 300 */ 301 302 #ifdef __VMS 303 # include "setup-vms.h" 304 #endif 305 306 /* 307 * Windows setup file includes some system headers. 308 */ 309 310 #ifdef _WIN32 311 # include "setup-win32.h" 312 #endif 313 314 #include <curl/system.h> 315 316 /* Helper macro to expand and concatenate two macros. 317 * Direct macros concatenation does not work because macros 318 * are not expanded before direct concatenation. 319 */ 320 #define CURL_CONC_MACROS_(A,B) A ## B 321 #define CURL_CONC_MACROS(A,B) CURL_CONC_MACROS_(A,B) 322 323 /* curl uses its own printf() function internally. It understands the GNU 324 * format. Use this format, so that is matches the GNU format attribute we 325 * use with the MinGW compiler, allowing it to verify them at compile-time. 326 */ 327 #ifdef __MINGW32__ 328 # undef CURL_FORMAT_CURL_OFF_T 329 # undef CURL_FORMAT_CURL_OFF_TU 330 # define CURL_FORMAT_CURL_OFF_T "lld" 331 # define CURL_FORMAT_CURL_OFF_TU "llu" 332 #endif 333 334 /* based on logic in "curl/mprintf.h" */ 335 336 #if (defined(__GNUC__) || defined(__clang__) || \ 337 defined(__IAR_SYSTEMS_ICC__)) && \ 338 defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && \ 339 !defined(CURL_NO_FMT_CHECKS) 340 #if defined(__MINGW32__) && !defined(__clang__) 341 #define CURL_PRINTF(fmt, arg) \ 342 __attribute__((format(gnu_printf, fmt, arg))) 343 #else 344 #define CURL_PRINTF(fmt, arg) \ 345 __attribute__((format(__printf__, fmt, arg))) 346 #endif 347 #else 348 #define CURL_PRINTF(fmt, arg) 349 #endif 350 351 /* Override default printf mask check rules in "curl/mprintf.h" */ 352 #define CURL_TEMP_PRINTF CURL_PRINTF 353 354 /* Workaround for mainline llvm v16 and earlier missing a built-in macro 355 expected by macOS SDK v14 / Xcode v15 (2023) and newer. 356 gcc (as of v14) is also missing it. */ 357 #if defined(__APPLE__) && \ 358 ((!defined(__apple_build_version__) && \ 359 defined(__clang__) && __clang_major__ < 17) || \ 360 (defined(__GNUC__) && __GNUC__ <= 14)) && \ 361 defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && \ 362 !defined(__ENVIRONMENT_OS_VERSION_MIN_REQUIRED__) 363 #define __ENVIRONMENT_OS_VERSION_MIN_REQUIRED__ \ 364 __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ 365 #endif 366 367 /* 368 * Use getaddrinfo to resolve the IPv4 address literal. If the current network 369 * interface does not support IPv4, but supports IPv6, NAT64, and DNS64, 370 * performing this task will result in a synthesized IPv6 address. 371 */ 372 #if defined(__APPLE__) && !defined(USE_ARES) 373 #define USE_RESOLVE_ON_IPS 1 374 # if TARGET_OS_MAC && !(defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) && \ 375 defined(USE_IPV6) 376 # define CURL_MACOS_CALL_COPYPROXIES 1 377 # endif 378 #endif 379 380 #ifdef USE_LWIPSOCK 381 # include <lwip/init.h> 382 # include <lwip/sockets.h> 383 # include <lwip/netdb.h> 384 #endif 385 386 #ifdef HAVE_EXTRA_STRICMP_H 387 # include <extra/stricmp.h> 388 #endif 389 390 #ifdef HAVE_EXTRA_STRDUP_H 391 # include <extra/strdup.h> 392 #endif 393 394 #ifdef __AMIGA__ 395 # ifdef __amigaos4__ 396 # define __USE_INLINE__ 397 /* use our own resolver which uses runtime feature detection */ 398 # define CURLRES_AMIGA 399 /* getaddrinfo() currently crashes bsdsocket.library, so disable */ 400 # undef HAVE_GETADDRINFO 401 # if !(defined(__NEWLIB__) || \ 402 (defined(__CLIB2__) && defined(__THREAD_SAFE))) 403 /* disable threaded resolver with clib2 - requires newlib or clib-ts */ 404 # undef USE_THREADS_POSIX 405 # endif 406 # endif 407 # include <exec/types.h> 408 # include <exec/execbase.h> 409 # include <proto/exec.h> 410 # include <proto/dos.h> 411 # include <unistd.h> 412 # if defined(HAVE_PROTO_BSDSOCKET_H) && \ 413 (!defined(__amigaos4__) || defined(USE_AMISSL)) 414 /* use bsdsocket.library directly, instead of libc networking functions */ 415 # define _SYS_MBUF_H /* m_len define clashes with curl */ 416 # include <proto/bsdsocket.h> 417 # ifdef __amigaos4__ 418 int Curl_amiga_select(int nfds, fd_set *readfds, fd_set *writefds, 419 fd_set *errorfds, struct timeval *timeout); 420 # define select(a,b,c,d,e) Curl_amiga_select(a,b,c,d,e) 421 # else 422 # define select(a,b,c,d,e) WaitSelect(a,b,c,d,e,0) 423 # endif 424 /* must not use libc's fcntl() on bsdsocket.library sockfds! */ 425 # undef HAVE_FCNTL 426 # undef HAVE_FCNTL_O_NONBLOCK 427 # else 428 /* use libc networking and hence close() and fnctl() */ 429 # undef HAVE_CLOSESOCKET_CAMEL 430 # undef HAVE_IOCTLSOCKET_CAMEL 431 # endif 432 /* 433 * In clib2 arpa/inet.h warns that some prototypes may clash 434 * with bsdsocket.library. This avoids the definition of those. 435 */ 436 # define __NO_NET_API 437 #endif 438 439 #include <stdio.h> 440 #include <assert.h> 441 442 #ifdef __TANDEM /* for ns*-tandem-nsk systems */ 443 # if ! defined __LP64 444 # include <floss.h> /* FLOSS is only used for 32-bit builds. */ 445 # endif 446 #endif 447 448 #ifndef STDC_HEADERS /* no standard C headers! */ 449 #include <curl/stdcheaders.h> 450 #endif 451 452 /* 453 * Large file (>2Gb) support using Win32 functions. 454 */ 455 456 #ifdef USE_WIN32_LARGE_FILES 457 # include <io.h> 458 # include <sys/types.h> 459 # include <sys/stat.h> 460 # undef lseek 461 # define lseek(fdes,offset,whence) _lseeki64(fdes, offset, whence) 462 # undef fstat 463 # define fstat(fdes,stp) _fstati64(fdes, stp) 464 # undef stat 465 # define stat(fname,stp) curlx_win32_stat(fname, stp) 466 # define struct_stat struct _stati64 467 # define LSEEK_ERROR (__int64)-1 468 # define open curlx_win32_open 469 # define fopen(fname,mode) curlx_win32_fopen(fname, mode) 470 int curlx_win32_open(const char *filename, int oflag, ...); 471 int curlx_win32_stat(const char *path, struct_stat *buffer); 472 FILE *curlx_win32_fopen(const char *filename, const char *mode); 473 #endif 474 475 /* 476 * Small file (<2Gb) support using Win32 functions. 477 */ 478 479 #ifdef USE_WIN32_SMALL_FILES 480 # include <io.h> 481 # include <sys/types.h> 482 # include <sys/stat.h> 483 # ifndef _WIN32_WCE 484 # undef lseek 485 # define lseek(fdes,offset,whence) _lseek(fdes, (long)offset, whence) 486 # define fstat(fdes,stp) _fstat(fdes, stp) 487 # define stat(fname,stp) curlx_win32_stat(fname, stp) 488 # define struct_stat struct _stat 489 # define open curlx_win32_open 490 # define fopen(fname,mode) curlx_win32_fopen(fname, mode) 491 int curlx_win32_stat(const char *path, struct_stat *buffer); 492 int curlx_win32_open(const char *filename, int oflag, ...); 493 FILE *curlx_win32_fopen(const char *filename, const char *mode); 494 # endif 495 # define LSEEK_ERROR (long)-1 496 #endif 497 498 #ifndef struct_stat 499 # define struct_stat struct stat 500 #endif 501 502 #ifndef LSEEK_ERROR 503 # define LSEEK_ERROR (off_t)-1 504 #endif 505 506 #ifndef SIZEOF_TIME_T 507 /* assume default size of time_t to be 32 bits */ 508 #define SIZEOF_TIME_T 4 509 #endif 510 511 #ifndef SIZEOF_CURL_SOCKET_T 512 /* configure and cmake check and set the define */ 513 # ifdef _WIN64 514 # define SIZEOF_CURL_SOCKET_T 8 515 # else 516 /* default guess */ 517 # define SIZEOF_CURL_SOCKET_T 4 518 # endif 519 #endif 520 521 #if SIZEOF_CURL_SOCKET_T < 8 522 # define FMT_SOCKET_T "d" 523 #elif defined(__MINGW32__) 524 # define FMT_SOCKET_T "zd" 525 #else 526 # define FMT_SOCKET_T "qd" 527 #endif 528 529 /* 530 * Default sizeof(off_t) in case it has not been defined in config file. 531 */ 532 533 #ifndef SIZEOF_OFF_T 534 # if defined(__VMS) && !defined(__VAX) 535 # if defined(_LARGEFILE) 536 # define SIZEOF_OFF_T 8 537 # endif 538 # elif defined(__OS400__) && defined(__ILEC400__) 539 # if defined(_LARGE_FILES) 540 # define SIZEOF_OFF_T 8 541 # endif 542 # elif defined(__MVS__) && defined(__IBMC__) 543 # if defined(_LP64) || defined(_LARGE_FILES) 544 # define SIZEOF_OFF_T 8 545 # endif 546 # elif defined(__370__) && defined(__IBMC__) 547 # if defined(_LP64) || defined(_LARGE_FILES) 548 # define SIZEOF_OFF_T 8 549 # endif 550 # endif 551 # ifndef SIZEOF_OFF_T 552 # define SIZEOF_OFF_T 4 553 # endif 554 #endif 555 556 #if (SIZEOF_CURL_OFF_T < 8) 557 #error "too small curl_off_t" 558 #else 559 /* assume SIZEOF_CURL_OFF_T == 8 */ 560 # define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF) 561 #endif 562 #define CURL_OFF_T_MIN (-CURL_OFF_T_MAX - CURL_OFF_T_C(1)) 563 564 #if (SIZEOF_CURL_OFF_T != 8) 565 # error "curl_off_t must be exactly 64 bits" 566 #else 567 typedef unsigned CURL_TYPEOF_CURL_OFF_T curl_uint64_t; 568 typedef CURL_TYPEOF_CURL_OFF_T curl_int64_t; 569 # ifndef CURL_SUFFIX_CURL_OFF_TU 570 # error "CURL_SUFFIX_CURL_OFF_TU must be defined" 571 # endif 572 # define CURL_UINT64_SUFFIX CURL_SUFFIX_CURL_OFF_TU 573 # define CURL_UINT64_C(val) CURL_CONC_MACROS(val,CURL_UINT64_SUFFIX) 574 # define FMT_PRId64 CURL_FORMAT_CURL_OFF_T 575 # define FMT_PRIu64 CURL_FORMAT_CURL_OFF_TU 576 #endif 577 578 #define FMT_OFF_T CURL_FORMAT_CURL_OFF_T 579 #define FMT_OFF_TU CURL_FORMAT_CURL_OFF_TU 580 581 #if (SIZEOF_TIME_T == 4) 582 # ifdef HAVE_TIME_T_UNSIGNED 583 # define TIME_T_MAX UINT_MAX 584 # define TIME_T_MIN 0 585 # else 586 # define TIME_T_MAX INT_MAX 587 # define TIME_T_MIN INT_MIN 588 # endif 589 #else 590 # ifdef HAVE_TIME_T_UNSIGNED 591 # define TIME_T_MAX 0xFFFFFFFFFFFFFFFF 592 # define TIME_T_MIN 0 593 # else 594 # define TIME_T_MAX 0x7FFFFFFFFFFFFFFF 595 # define TIME_T_MIN (-TIME_T_MAX - 1) 596 # endif 597 #endif 598 599 #ifndef SIZE_T_MAX 600 /* some limits.h headers have this defined, some do not */ 601 #if defined(SIZEOF_SIZE_T) && (SIZEOF_SIZE_T > 4) 602 #define SIZE_T_MAX 18446744073709551615U 603 #else 604 #define SIZE_T_MAX 4294967295U 605 #endif 606 #endif 607 608 #ifndef SSIZE_T_MAX 609 /* some limits.h headers have this defined, some do not */ 610 #if defined(SIZEOF_SIZE_T) && (SIZEOF_SIZE_T > 4) 611 #define SSIZE_T_MAX 9223372036854775807 612 #else 613 #define SSIZE_T_MAX 2147483647 614 #endif 615 #endif 616 617 /* 618 * Arg 2 type for gethostname in case it has not been defined in config file. 619 */ 620 621 #ifndef GETHOSTNAME_TYPE_ARG2 622 # ifdef USE_WINSOCK 623 # define GETHOSTNAME_TYPE_ARG2 int 624 # else 625 # define GETHOSTNAME_TYPE_ARG2 size_t 626 # endif 627 #endif 628 629 /* Below we define some functions. They should 630 631 4. set the SIGALRM signal timeout 632 5. set dir/file naming defines 633 */ 634 635 #ifdef _WIN32 636 637 # define DIR_CHAR "\\" 638 639 #else /* _WIN32 */ 640 641 # ifdef MSDOS /* Watt-32 */ 642 643 # include <sys/ioctl.h> 644 # define select(n,r,w,x,t) select_s(n,r,w,x,t) 645 # define ioctl(x,y,z) ioctlsocket(x,y,(char *)(z)) 646 # include <tcp.h> 647 # ifdef word 648 # undef word 649 # endif 650 # ifdef byte 651 # undef byte 652 # endif 653 654 # endif /* MSDOS */ 655 656 # ifdef __minix 657 /* Minix 3 versions up to at least 3.1.3 are missing these prototypes */ 658 extern char *strtok_r(char *s, const char *delim, char **last); 659 extern struct tm *gmtime_r(const time_t * const timep, struct tm *tmp); 660 # endif 661 662 # define DIR_CHAR "/" 663 664 #endif /* _WIN32 */ 665 666 /* ---------------------------------------------------------------- */ 667 /* resolver specialty compile-time defines */ 668 /* CURLRES_* defines to use in the host*.c sources */ 669 /* ---------------------------------------------------------------- */ 670 671 /* 672 * MSVC threads support requires a multi-threaded runtime library. 673 * _beginthreadex() is not available in single-threaded ones. 674 */ 675 676 #if defined(_MSC_VER) && !defined(_MT) 677 # undef USE_THREADS_POSIX 678 # undef USE_THREADS_WIN32 679 #endif 680 681 /* 682 * Mutually exclusive CURLRES_* definitions. 683 */ 684 685 #if defined(USE_IPV6) && defined(HAVE_GETADDRINFO) 686 # define CURLRES_IPV6 687 #elif defined(USE_IPV6) && (defined(_WIN32) || defined(__CYGWIN__)) 688 /* assume on Windows that IPv6 without getaddrinfo is a broken build */ 689 # error "Unexpected build: IPv6 is enabled but getaddrinfo was not found." 690 #else 691 # define CURLRES_IPV4 692 #endif 693 694 #ifdef USE_ARES 695 # define CURLRES_ASYNCH 696 # define CURLRES_ARES 697 /* now undef the stock libc functions just to avoid them being used */ 698 # undef HAVE_GETADDRINFO 699 # undef HAVE_FREEADDRINFO 700 #elif defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32) 701 # define CURLRES_ASYNCH 702 # define CURLRES_THREADED 703 #else 704 # define CURLRES_SYNCH 705 #endif 706 707 /* ---------------------------------------------------------------- */ 708 709 #if defined(HAVE_LIBIDN2) && defined(HAVE_IDN2_H) && \ 710 !defined(USE_WIN32_IDN) && !defined(USE_APPLE_IDN) 711 /* The lib and header are present */ 712 #define USE_LIBIDN2 713 #endif 714 715 #if defined(USE_LIBIDN2) && (defined(USE_WIN32_IDN) || defined(USE_APPLE_IDN)) 716 #error "libidn2 cannot be enabled with WinIDN or AppleIDN, choose one." 717 #endif 718 719 #define LIBIDN_REQUIRED_VERSION "0.4.1" 720 721 #if defined(USE_GNUTLS) || defined(USE_OPENSSL) || defined(USE_MBEDTLS) || \ 722 defined(USE_WOLFSSL) || defined(USE_SCHANNEL) || defined(USE_SECTRANSP) || \ 723 defined(USE_BEARSSL) || defined(USE_RUSTLS) 724 #define USE_SSL /* SSL support has been enabled */ 725 #endif 726 727 #if defined(USE_WOLFSSL) && defined(USE_GNUTLS) 728 /* Avoid defining unprefixed wolfSSL SHA macros colliding with nettle ones */ 729 #define NO_OLD_WC_NAMES 730 #endif 731 732 /* Single point where USE_SPNEGO definition might be defined */ 733 #if !defined(CURL_DISABLE_NEGOTIATE_AUTH) && \ 734 (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)) 735 #define USE_SPNEGO 736 #endif 737 738 /* Single point where USE_KERBEROS5 definition might be defined */ 739 #if !defined(CURL_DISABLE_KERBEROS_AUTH) && \ 740 (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)) 741 #define USE_KERBEROS5 742 #endif 743 744 /* Single point where USE_NTLM definition might be defined */ 745 #if !defined(CURL_DISABLE_NTLM) 746 # if defined(USE_OPENSSL) || defined(USE_MBEDTLS) || \ 747 defined(USE_GNUTLS) || defined(USE_SECTRANSP) || \ 748 defined(USE_OS400CRYPTO) || defined(USE_WIN32_CRYPTO) || \ 749 (defined(USE_WOLFSSL) && defined(HAVE_WOLFSSL_DES_ECB_ENCRYPT)) 750 # define USE_CURL_NTLM_CORE 751 # endif 752 # if defined(USE_CURL_NTLM_CORE) || defined(USE_WINDOWS_SSPI) 753 # define USE_NTLM 754 # endif 755 #endif 756 757 #ifdef CURL_WANTS_CA_BUNDLE_ENV 758 #error "No longer supported. Set CURLOPT_CAINFO at runtime instead." 759 #endif 760 761 #if defined(USE_LIBSSH2) || defined(USE_LIBSSH) || defined(USE_WOLFSSH) 762 #define USE_SSH 763 #endif 764 765 /* 766 * Provide a mechanism to silence picky compilers, such as gcc 4.6+. 767 * Parameters should of course normally not be unused, but for example when 768 * we have multiple implementations of the same interface it may happen. 769 */ 770 771 #if defined(__GNUC__) && ((__GNUC__ >= 3) || \ 772 ((__GNUC__ == 2) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ >= 7))) 773 # define UNUSED_PARAM __attribute__((__unused__)) 774 # define WARN_UNUSED_RESULT __attribute__((warn_unused_result)) 775 #elif defined(__IAR_SYSTEMS_ICC__) 776 # define UNUSED_PARAM __attribute__((__unused__)) 777 # if (__VER__ >= 9040001) 778 # define WARN_UNUSED_RESULT __attribute__((warn_unused_result)) 779 # else 780 # define WARN_UNUSED_RESULT 781 # endif 782 #else 783 # define UNUSED_PARAM /* NOTHING */ 784 # define WARN_UNUSED_RESULT 785 #endif 786 787 /* noreturn attribute */ 788 789 #if !defined(CURL_NORETURN) 790 #if (defined(__GNUC__) && (__GNUC__ >= 3)) || defined(__clang__) || \ 791 defined(__IAR_SYSTEMS_ICC__) 792 # define CURL_NORETURN __attribute__((__noreturn__)) 793 #elif defined(_MSC_VER) && (_MSC_VER >= 1200) 794 # define CURL_NORETURN __declspec(noreturn) 795 #else 796 # define CURL_NORETURN 797 #endif 798 #endif 799 800 /* fallthrough attribute */ 801 802 #if !defined(FALLTHROUGH) 803 #if (defined(__GNUC__) && __GNUC__ >= 7) || \ 804 (defined(__clang__) && __clang_major__ >= 10) 805 # define FALLTHROUGH() __attribute__((fallthrough)) 806 #else 807 # define FALLTHROUGH() do {} while (0) 808 #endif 809 #endif 810 811 /* 812 * Include macros and defines that should only be processed once. 813 */ 814 815 #ifndef HEADER_CURL_SETUP_ONCE_H 816 #include "curl_setup_once.h" 817 #endif 818 819 /* 820 * Definition of our NOP statement Object-like macro 821 */ 822 823 #ifndef Curl_nop_stmt 824 # define Curl_nop_stmt do { } while(0) 825 #endif 826 827 /* 828 * Ensure that Winsock and lwIP TCP/IP stacks are not mixed. 829 */ 830 831 #if defined(__LWIP_OPT_H__) || defined(LWIP_HDR_OPT_H) 832 # if defined(SOCKET) || defined(USE_WINSOCK) 833 # error "Winsock and lwIP TCP/IP stack definitions shall not coexist!" 834 # endif 835 #endif 836 837 /* 838 * shutdown() flags for systems that do not define them 839 */ 840 841 #ifndef SHUT_RD 842 #define SHUT_RD 0x00 843 #endif 844 845 #ifndef SHUT_WR 846 #define SHUT_WR 0x01 847 #endif 848 849 #ifndef SHUT_RDWR 850 #define SHUT_RDWR 0x02 851 #endif 852 853 /* Define S_ISREG if not defined by system headers, e.g. MSVC */ 854 #if !defined(S_ISREG) && defined(S_IFMT) && defined(S_IFREG) 855 #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) 856 #endif 857 858 /* Define S_ISDIR if not defined by system headers, e.g. MSVC */ 859 #if !defined(S_ISDIR) && defined(S_IFMT) && defined(S_IFDIR) 860 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) 861 #endif 862 863 /* In Windows the default file mode is text but an application can override it. 864 Therefore we specify it explicitly. https://github.com/curl/curl/pull/258 865 */ 866 #if defined(_WIN32) || defined(MSDOS) 867 #define FOPEN_READTEXT "rt" 868 #define FOPEN_WRITETEXT "wt" 869 #define FOPEN_APPENDTEXT "at" 870 #elif defined(__CYGWIN__) 871 /* Cygwin has specific behavior we need to address when _WIN32 is not defined. 872 https://cygwin.com/cygwin-ug-net/using-textbinary.html 873 For write we want our output to have line endings of LF and be compatible with 874 other Cygwin utilities. For read we want to handle input that may have line 875 endings either CRLF or LF so 't' is appropriate. 876 */ 877 #define FOPEN_READTEXT "rt" 878 #define FOPEN_WRITETEXT "w" 879 #define FOPEN_APPENDTEXT "a" 880 #else 881 #define FOPEN_READTEXT "r" 882 #define FOPEN_WRITETEXT "w" 883 #define FOPEN_APPENDTEXT "a" 884 #endif 885 886 /* for systems that do not detect this in configure */ 887 #ifndef CURL_SA_FAMILY_T 888 # if defined(HAVE_SA_FAMILY_T) 889 # define CURL_SA_FAMILY_T sa_family_t 890 # elif defined(HAVE_ADDRESS_FAMILY) 891 # define CURL_SA_FAMILY_T ADDRESS_FAMILY 892 # else 893 /* use a sensible default */ 894 # define CURL_SA_FAMILY_T unsigned short 895 # endif 896 #endif 897 898 /* Some convenience macros to get the larger/smaller value out of two given. 899 We prefix with CURL to prevent name collisions. */ 900 #define CURLMAX(x,y) ((x)>(y)?(x):(y)) 901 #define CURLMIN(x,y) ((x)<(y)?(x):(y)) 902 903 /* A convenience macro to provide both the string literal and the length of 904 the string literal in one go, useful for functions that take "string,len" 905 as their argument */ 906 #define STRCONST(x) x,sizeof(x)-1 907 908 /* Some versions of the Android SDK is missing the declaration */ 909 #if defined(HAVE_GETPWUID_R) && defined(HAVE_DECL_GETPWUID_R_MISSING) 910 struct passwd; 911 int getpwuid_r(uid_t uid, struct passwd *pwd, char *buf, 912 size_t buflen, struct passwd **result); 913 #endif 914 915 #ifdef UNITTESTS 916 #define UNITTEST 917 #else 918 #define UNITTEST static 919 #endif 920 921 /* Hyper supports HTTP2 also, but Curl's integration with Hyper does not */ 922 #if defined(USE_NGHTTP2) 923 #define USE_HTTP2 924 #endif 925 926 #if (defined(USE_NGTCP2) && defined(USE_NGHTTP3)) || \ 927 (defined(USE_OPENSSL_QUIC) && defined(USE_NGHTTP3)) || \ 928 defined(USE_QUICHE) || defined(USE_MSH3) 929 930 #ifdef CURL_WITH_MULTI_SSL 931 #error "Multi-SSL combined with QUIC is not supported" 932 #endif 933 934 #define USE_HTTP3 935 #endif 936 937 /* Certain Windows implementations are not aligned with what curl expects, 938 so always use the local one on this platform. E.g. the mingw-w64 939 implementation can return wrong results for non-ASCII inputs. */ 940 #if defined(HAVE_BASENAME) && defined(_WIN32) 941 #undef HAVE_BASENAME 942 #endif 943 944 #if defined(USE_UNIX_SOCKETS) && defined(_WIN32) 945 # if !defined(UNIX_PATH_MAX) 946 /* Replicating logic present in afunix.h 947 (distributed with newer Windows 10 SDK versions only) */ 948 # define UNIX_PATH_MAX 108 949 /* !checksrc! disable TYPEDEFSTRUCT 1 */ 950 typedef struct sockaddr_un { 951 ADDRESS_FAMILY sun_family; 952 char sun_path[UNIX_PATH_MAX]; 953 } SOCKADDR_UN, *PSOCKADDR_UN; 954 # define WIN32_SOCKADDR_UN 955 # endif 956 #endif 957 958 /* OpenSSLv3 marks DES, MD5 and ENGINE functions deprecated but we have no 959 replacements (yet) so tell the compiler to not warn for them. */ 960 #ifdef USE_OPENSSL 961 #define OPENSSL_SUPPRESS_DEPRECATED 962 #endif 963 964 #if defined(inline) 965 /* 'inline' is defined as macro and assumed to be correct */ 966 /* No need for 'inline' replacement */ 967 #elif defined(__cplusplus) 968 /* The code is compiled with C++ compiler. 969 C++ always supports 'inline'. */ 970 /* No need for 'inline' replacement */ 971 #elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901 972 /* C99 (and later) supports 'inline' keyword */ 973 /* No need for 'inline' replacement */ 974 #elif defined(__GNUC__) && __GNUC__ >= 3 975 /* GCC supports '__inline__' as an extension */ 976 # define inline __inline__ 977 #elif defined(_MSC_VER) && _MSC_VER >= 1400 978 /* MSC supports '__inline' from VS 2005 (or even earlier) */ 979 # define inline __inline 980 #else 981 /* Probably 'inline' is not supported by compiler. 982 Define to the empty string to be on the safe side. */ 983 # define inline /* empty */ 984 #endif 985 986 #endif /* HEADER_CURL_SETUP_H */ 987
