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 /* FIXME: Delete this once the warnings have been fixed. */ 32 #if !defined(CURL_WARN_SIGN_CONVERSION) 33 #ifdef __GNUC__ 34 #pragma GCC diagnostic ignored "-Wsign-conversion" 35 #endif 36 #endif 37 38 /* Set default _WIN32_WINNT */ 39 #ifdef __MINGW32__ 40 #include <_mingw.h> 41 #endif 42 43 /* 44 * Disable Visual Studio warnings: 45 * 4127 "conditional expression is constant" 46 */ 47 #ifdef _MSC_VER 48 #pragma warning(disable:4127) 49 #endif 50 51 #ifdef _WIN32 52 /* 53 * Don't include unneeded stuff in Windows headers to avoid compiler 54 * warnings and macro clashes. 55 * Make sure to define this macro before including any Windows headers. 56 */ 57 # ifndef WIN32_LEAN_AND_MEAN 58 # define WIN32_LEAN_AND_MEAN 59 # endif 60 # ifndef NOGDI 61 # define NOGDI 62 # endif 63 /* Detect Windows App environment which has a restricted access 64 * to the Win32 APIs. */ 65 # if (defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0602)) || \ 66 defined(WINAPI_FAMILY) 67 # include <winapifamily.h> 68 # if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) && \ 69 !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) 70 # define CURL_WINDOWS_APP 71 # endif 72 # endif 73 #endif 74 75 /* Compatibility */ 76 #if defined(ENABLE_IPV6) 77 # define USE_IPV6 1 78 #endif 79 80 /* 81 * Include configuration script results or hand-crafted 82 * configuration file for platforms which lack config tool. 83 */ 84 85 #ifdef HAVE_CONFIG_H 86 87 #include "curl_config.h" 88 89 #else /* HAVE_CONFIG_H */ 90 91 #ifdef _WIN32_WCE 92 # include "config-win32ce.h" 93 #else 94 # ifdef _WIN32 95 # include "config-win32.h" 96 # endif 97 #endif 98 99 #ifdef macintosh 100 # include "config-mac.h" 101 #endif 102 103 #ifdef __riscos__ 104 # include "config-riscos.h" 105 #endif 106 107 #ifdef __AMIGA__ 108 # include "config-amigaos.h" 109 #endif 110 111 #ifdef __OS400__ 112 # include "config-os400.h" 113 #endif 114 115 #ifdef __PLAN9__ 116 # include "config-plan9.h" 117 #endif 118 119 #ifdef MSDOS 120 # include "config-dos.h" 121 #endif 122 123 #endif /* HAVE_CONFIG_H */ 124 125 /* ================================================================ */ 126 /* Definition of preprocessor macros/symbols which modify compiler */ 127 /* behavior or generated code characteristics must be done here, */ 128 /* as appropriate, before any system header file is included. It is */ 129 /* also possible to have them defined in the config file included */ 130 /* before this point. As a result of all this we frown inclusion of */ 131 /* system header files in our config files, avoid this at any cost. */ 132 /* ================================================================ */ 133 134 /* 135 * AIX 4.3 and newer needs _THREAD_SAFE defined to build 136 * proper reentrant code. Others may also need it. 137 */ 138 139 #ifdef NEED_THREAD_SAFE 140 # ifndef _THREAD_SAFE 141 # define _THREAD_SAFE 142 # endif 143 #endif 144 145 /* 146 * Tru64 needs _REENTRANT set for a few function prototypes and 147 * things to appear in the system header files. Unixware needs it 148 * to build proper reentrant code. Others may also need it. 149 */ 150 151 #ifdef NEED_REENTRANT 152 # ifndef _REENTRANT 153 # define _REENTRANT 154 # endif 155 #endif 156 157 /* Solaris needs this to get a POSIX-conformant getpwuid_r */ 158 #if defined(sun) || defined(__sun) 159 # ifndef _POSIX_PTHREAD_SEMANTICS 160 # define _POSIX_PTHREAD_SEMANTICS 1 161 # endif 162 #endif 163 164 /* ================================================================ */ 165 /* If you need to include a system header file for your platform, */ 166 /* please, do it beyond the point further indicated in this file. */ 167 /* ================================================================ */ 168 169 /* 170 * Disable other protocols when http is the only one desired. 171 */ 172 173 #ifdef HTTP_ONLY 174 # ifndef CURL_DISABLE_DICT 175 # define CURL_DISABLE_DICT 176 # endif 177 # ifndef CURL_DISABLE_FILE 178 # define CURL_DISABLE_FILE 179 # endif 180 # ifndef CURL_DISABLE_FTP 181 # define CURL_DISABLE_FTP 182 # endif 183 # ifndef CURL_DISABLE_GOPHER 184 # define CURL_DISABLE_GOPHER 185 # endif 186 # ifndef CURL_DISABLE_IMAP 187 # define CURL_DISABLE_IMAP 188 # endif 189 # ifndef CURL_DISABLE_LDAP 190 # define CURL_DISABLE_LDAP 191 # endif 192 # ifndef CURL_DISABLE_LDAPS 193 # define CURL_DISABLE_LDAPS 194 # endif 195 # ifndef CURL_DISABLE_MQTT 196 # define CURL_DISABLE_MQTT 197 # endif 198 # ifndef CURL_DISABLE_POP3 199 # define CURL_DISABLE_POP3 200 # endif 201 # ifndef CURL_DISABLE_RTSP 202 # define CURL_DISABLE_RTSP 203 # endif 204 # ifndef CURL_DISABLE_SMB 205 # define CURL_DISABLE_SMB 206 # endif 207 # ifndef CURL_DISABLE_SMTP 208 # define CURL_DISABLE_SMTP 209 # endif 210 # ifndef CURL_DISABLE_TELNET 211 # define CURL_DISABLE_TELNET 212 # endif 213 # ifndef CURL_DISABLE_TFTP 214 # define CURL_DISABLE_TFTP 215 # endif 216 #endif 217 218 /* 219 * When http is disabled rtsp is not supported. 220 */ 221 222 #if defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_RTSP) 223 # define CURL_DISABLE_RTSP 224 #endif 225 226 /* 227 * When HTTP is disabled, disable HTTP-only features 228 */ 229 230 #if defined(CURL_DISABLE_HTTP) 231 # define CURL_DISABLE_ALTSVC 1 232 # define CURL_DISABLE_COOKIES 1 233 # define CURL_DISABLE_BASIC_AUTH 1 234 # define CURL_DISABLE_BEARER_AUTH 1 235 # define CURL_DISABLE_AWS 1 236 # define CURL_DISABLE_DOH 1 237 # define CURL_DISABLE_FORM_API 1 238 # define CURL_DISABLE_HEADERS_API 1 239 # define CURL_DISABLE_HSTS 1 240 # define CURL_DISABLE_HTTP_AUTH 1 241 #endif 242 243 /* ================================================================ */ 244 /* No system header file shall be included in this file before this */ 245 /* point. */ 246 /* ================================================================ */ 247 248 /* 249 * OS/400 setup file includes some system headers. 250 */ 251 252 #ifdef __OS400__ 253 # include "setup-os400.h" 254 #endif 255 256 /* 257 * VMS setup file includes some system headers. 258 */ 259 260 #ifdef __VMS 261 # include "setup-vms.h" 262 #endif 263 264 /* 265 * Windows setup file includes some system headers. 266 */ 267 268 #ifdef _WIN32 269 # include "setup-win32.h" 270 #endif 271 272 #include <curl/system.h> 273 274 /* Helper macro to expand and concatenate two macros. 275 * Direct macros concatenation does not work because macros 276 * are not expanded before direct concatenation. 277 */ 278 #define CURL_CONC_MACROS_(A,B) A ## B 279 #define CURL_CONC_MACROS(A,B) CURL_CONC_MACROS_(A,B) 280 281 /* curl uses its own printf() function internally. It understands the GNU 282 * format. Use this format, so that is matches the GNU format attribute we 283 * use with the mingw compiler, allowing it to verify them at compile-time. 284 */ 285 #ifdef __MINGW32__ 286 # undef CURL_FORMAT_CURL_OFF_T 287 # undef CURL_FORMAT_CURL_OFF_TU 288 # define CURL_FORMAT_CURL_OFF_T "lld" 289 # define CURL_FORMAT_CURL_OFF_TU "llu" 290 #endif 291 292 /* based on logic in "curl/mprintf.h" */ 293 294 #if (defined(__GNUC__) || defined(__clang__) || \ 295 defined(__IAR_SYSTEMS_ICC__)) && \ 296 defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && \ 297 !defined(CURL_NO_FMT_CHECKS) 298 #if defined(__MINGW32__) && !defined(__clang__) 299 #define CURL_PRINTF(fmt, arg) \ 300 __attribute__((format(gnu_printf, fmt, arg))) 301 #else 302 #define CURL_PRINTF(fmt, arg) \ 303 __attribute__((format(__printf__, fmt, arg))) 304 #endif 305 #else 306 #define CURL_PRINTF(fmt, arg) 307 #endif 308 309 /* 310 * Use getaddrinfo to resolve the IPv4 address literal. If the current network 311 * interface doesn't support IPv4, but supports IPv6, NAT64, and DNS64, 312 * performing this task will result in a synthesized IPv6 address. 313 */ 314 #if defined(__APPLE__) && !defined(USE_ARES) 315 #include <TargetConditionals.h> 316 #define USE_RESOLVE_ON_IPS 1 317 # if TARGET_OS_MAC && !(defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) && \ 318 defined(USE_IPV6) 319 # define CURL_MACOS_CALL_COPYPROXIES 1 320 # endif 321 #endif 322 323 #ifdef USE_LWIPSOCK 324 # include <lwip/init.h> 325 # include <lwip/sockets.h> 326 # include <lwip/netdb.h> 327 #endif 328 329 #ifdef HAVE_EXTRA_STRICMP_H 330 # include <extra/stricmp.h> 331 #endif 332 333 #ifdef HAVE_EXTRA_STRDUP_H 334 # include <extra/strdup.h> 335 #endif 336 337 #ifdef __AMIGA__ 338 # ifdef __amigaos4__ 339 # define __USE_INLINE__ 340 /* use our own resolver which uses runtime feature detection */ 341 # define CURLRES_AMIGA 342 /* getaddrinfo() currently crashes bsdsocket.library, so disable */ 343 # undef HAVE_GETADDRINFO 344 # if !(defined(__NEWLIB__) || \ 345 (defined(__CLIB2__) && defined(__THREAD_SAFE))) 346 /* disable threaded resolver with clib2 - requires newlib or clib-ts */ 347 # undef USE_THREADS_POSIX 348 # endif 349 # endif 350 # include <exec/types.h> 351 # include <exec/execbase.h> 352 # include <proto/exec.h> 353 # include <proto/dos.h> 354 # include <unistd.h> 355 # if defined(HAVE_PROTO_BSDSOCKET_H) && \ 356 (!defined(__amigaos4__) || defined(USE_AMISSL)) 357 /* use bsdsocket.library directly, instead of libc networking functions */ 358 # define _SYS_MBUF_H /* m_len define clashes with curl */ 359 # include <proto/bsdsocket.h> 360 # ifdef __amigaos4__ 361 int Curl_amiga_select(int nfds, fd_set *readfds, fd_set *writefds, 362 fd_set *errorfds, struct timeval *timeout); 363 # define select(a,b,c,d,e) Curl_amiga_select(a,b,c,d,e) 364 # else 365 # define select(a,b,c,d,e) WaitSelect(a,b,c,d,e,0) 366 # endif 367 /* must not use libc's fcntl() on bsdsocket.library sockfds! */ 368 # undef HAVE_FCNTL 369 # undef HAVE_FCNTL_O_NONBLOCK 370 # else 371 /* use libc networking and hence close() and fnctl() */ 372 # undef HAVE_CLOSESOCKET_CAMEL 373 # undef HAVE_IOCTLSOCKET_CAMEL 374 # endif 375 /* 376 * In clib2 arpa/inet.h warns that some prototypes may clash 377 * with bsdsocket.library. This avoids the definition of those. 378 */ 379 # define __NO_NET_API 380 #endif 381 382 #include <stdio.h> 383 #include <assert.h> 384 385 #ifdef __TANDEM /* for ns*-tandem-nsk systems */ 386 # if ! defined __LP64 387 # include <floss.h> /* FLOSS is only used for 32-bit builds. */ 388 # endif 389 #endif 390 391 #ifndef STDC_HEADERS /* no standard C headers! */ 392 #include <curl/stdcheaders.h> 393 #endif 394 395 /* 396 * Large file (>2Gb) support using WIN32 functions. 397 */ 398 399 #ifdef USE_WIN32_LARGE_FILES 400 # include <io.h> 401 # include <sys/types.h> 402 # include <sys/stat.h> 403 # undef lseek 404 # define lseek(fdes,offset,whence) _lseeki64(fdes, offset, whence) 405 # undef fstat 406 # define fstat(fdes,stp) _fstati64(fdes, stp) 407 # undef stat 408 # define stat(fname,stp) curlx_win32_stat(fname, stp) 409 # define struct_stat struct _stati64 410 # define LSEEK_ERROR (__int64)-1 411 # define open curlx_win32_open 412 # define fopen(fname,mode) curlx_win32_fopen(fname, mode) 413 int curlx_win32_open(const char *filename, int oflag, ...); 414 int curlx_win32_stat(const char *path, struct_stat *buffer); 415 FILE *curlx_win32_fopen(const char *filename, const char *mode); 416 #endif 417 418 /* 419 * Small file (<2Gb) support using WIN32 functions. 420 */ 421 422 #ifdef USE_WIN32_SMALL_FILES 423 # include <io.h> 424 # include <sys/types.h> 425 # include <sys/stat.h> 426 # ifndef _WIN32_WCE 427 # undef lseek 428 # define lseek(fdes,offset,whence) _lseek(fdes, (long)offset, whence) 429 # define fstat(fdes,stp) _fstat(fdes, stp) 430 # define stat(fname,stp) curlx_win32_stat(fname, stp) 431 # define struct_stat struct _stat 432 # define open curlx_win32_open 433 # define fopen(fname,mode) curlx_win32_fopen(fname, mode) 434 int curlx_win32_stat(const char *path, struct_stat *buffer); 435 int curlx_win32_open(const char *filename, int oflag, ...); 436 FILE *curlx_win32_fopen(const char *filename, const char *mode); 437 # endif 438 # define LSEEK_ERROR (long)-1 439 #endif 440 441 #ifndef struct_stat 442 # define struct_stat struct stat 443 #endif 444 445 #ifndef LSEEK_ERROR 446 # define LSEEK_ERROR (off_t)-1 447 #endif 448 449 #ifndef SIZEOF_TIME_T 450 /* assume default size of time_t to be 32 bit */ 451 #define SIZEOF_TIME_T 4 452 #endif 453 454 #ifndef SIZEOF_CURL_SOCKET_T 455 /* configure and cmake check and set the define */ 456 # ifdef _WIN64 457 # define SIZEOF_CURL_SOCKET_T 8 458 # else 459 /* default guess */ 460 # define SIZEOF_CURL_SOCKET_T 4 461 # endif 462 #endif 463 464 #if SIZEOF_CURL_SOCKET_T < 8 465 # define CURL_FORMAT_SOCKET_T "d" 466 #elif defined(__MINGW32__) 467 # define CURL_FORMAT_SOCKET_T "zd" 468 #else 469 # define CURL_FORMAT_SOCKET_T "qd" 470 #endif 471 472 /* 473 * Default sizeof(off_t) in case it hasn't been defined in config file. 474 */ 475 476 #ifndef SIZEOF_OFF_T 477 # if defined(__VMS) && !defined(__VAX) 478 # if defined(_LARGEFILE) 479 # define SIZEOF_OFF_T 8 480 # endif 481 # elif defined(__OS400__) && defined(__ILEC400__) 482 # if defined(_LARGE_FILES) 483 # define SIZEOF_OFF_T 8 484 # endif 485 # elif defined(__MVS__) && defined(__IBMC__) 486 # if defined(_LP64) || defined(_LARGE_FILES) 487 # define SIZEOF_OFF_T 8 488 # endif 489 # elif defined(__370__) && defined(__IBMC__) 490 # if defined(_LP64) || defined(_LARGE_FILES) 491 # define SIZEOF_OFF_T 8 492 # endif 493 # endif 494 # ifndef SIZEOF_OFF_T 495 # define SIZEOF_OFF_T 4 496 # endif 497 #endif 498 499 #if (SIZEOF_CURL_OFF_T < 8) 500 #error "too small curl_off_t" 501 #else 502 /* assume SIZEOF_CURL_OFF_T == 8 */ 503 # define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF) 504 #endif 505 #define CURL_OFF_T_MIN (-CURL_OFF_T_MAX - CURL_OFF_T_C(1)) 506 507 #if (SIZEOF_CURL_OFF_T != 8) 508 # error "curl_off_t must be exactly 64 bits" 509 #else 510 typedef unsigned CURL_TYPEOF_CURL_OFF_T curl_uint64_t; 511 typedef CURL_TYPEOF_CURL_OFF_T curl_int64_t; 512 # ifndef CURL_SUFFIX_CURL_OFF_TU 513 # error "CURL_SUFFIX_CURL_OFF_TU must be defined" 514 # endif 515 # define CURL_UINT64_SUFFIX CURL_SUFFIX_CURL_OFF_TU 516 # define CURL_UINT64_C(val) CURL_CONC_MACROS(val,CURL_UINT64_SUFFIX) 517 # define CURL_PRId64 CURL_FORMAT_CURL_OFF_T 518 # define CURL_PRIu64 CURL_FORMAT_CURL_OFF_TU 519 #endif 520 521 #if (SIZEOF_TIME_T == 4) 522 # ifdef HAVE_TIME_T_UNSIGNED 523 # define TIME_T_MAX UINT_MAX 524 # define TIME_T_MIN 0 525 # else 526 # define TIME_T_MAX INT_MAX 527 # define TIME_T_MIN INT_MIN 528 # endif 529 #else 530 # ifdef HAVE_TIME_T_UNSIGNED 531 # define TIME_T_MAX 0xFFFFFFFFFFFFFFFF 532 # define TIME_T_MIN 0 533 # else 534 # define TIME_T_MAX 0x7FFFFFFFFFFFFFFF 535 # define TIME_T_MIN (-TIME_T_MAX - 1) 536 # endif 537 #endif 538 539 #ifndef SIZE_T_MAX 540 /* some limits.h headers have this defined, some don't */ 541 #if defined(SIZEOF_SIZE_T) && (SIZEOF_SIZE_T > 4) 542 #define SIZE_T_MAX 18446744073709551615U 543 #else 544 #define SIZE_T_MAX 4294967295U 545 #endif 546 #endif 547 548 #ifndef SSIZE_T_MAX 549 /* some limits.h headers have this defined, some don't */ 550 #if defined(SIZEOF_SIZE_T) && (SIZEOF_SIZE_T > 4) 551 #define SSIZE_T_MAX 9223372036854775807 552 #else 553 #define SSIZE_T_MAX 2147483647 554 #endif 555 #endif 556 557 /* 558 * Arg 2 type for gethostname in case it hasn't been defined in config file. 559 */ 560 561 #ifndef GETHOSTNAME_TYPE_ARG2 562 # ifdef USE_WINSOCK 563 # define GETHOSTNAME_TYPE_ARG2 int 564 # else 565 # define GETHOSTNAME_TYPE_ARG2 size_t 566 # endif 567 #endif 568 569 /* Below we define some functions. They should 570 571 4. set the SIGALRM signal timeout 572 5. set dir/file naming defines 573 */ 574 575 #ifdef _WIN32 576 577 # define DIR_CHAR "\\" 578 579 #else /* _WIN32 */ 580 581 # ifdef MSDOS /* Watt-32 */ 582 583 # include <sys/ioctl.h> 584 # define select(n,r,w,x,t) select_s(n,r,w,x,t) 585 # define ioctl(x,y,z) ioctlsocket(x,y,(char *)(z)) 586 # include <tcp.h> 587 # ifdef word 588 # undef word 589 # endif 590 # ifdef byte 591 # undef byte 592 # endif 593 594 # endif /* MSDOS */ 595 596 # ifdef __minix 597 /* Minix 3 versions up to at least 3.1.3 are missing these prototypes */ 598 extern char *strtok_r(char *s, const char *delim, char **last); 599 extern struct tm *gmtime_r(const time_t * const timep, struct tm *tmp); 600 # endif 601 602 # define DIR_CHAR "/" 603 604 #endif /* _WIN32 */ 605 606 /* ---------------------------------------------------------------- */ 607 /* resolver specialty compile-time defines */ 608 /* CURLRES_* defines to use in the host*.c sources */ 609 /* ---------------------------------------------------------------- */ 610 611 /* 612 * MSVC threads support requires a multi-threaded runtime library. 613 * _beginthreadex() is not available in single-threaded ones. 614 */ 615 616 #if defined(_MSC_VER) && !defined(_MT) 617 # undef USE_THREADS_POSIX 618 # undef USE_THREADS_WIN32 619 #endif 620 621 /* 622 * Mutually exclusive CURLRES_* definitions. 623 */ 624 625 #if defined(USE_IPV6) && defined(HAVE_GETADDRINFO) 626 # define CURLRES_IPV6 627 #elif defined(USE_IPV6) && (defined(_WIN32) || defined(__CYGWIN__)) 628 /* assume on Windows that IPv6 without getaddrinfo is a broken build */ 629 # error "Unexpected build: IPv6 is enabled but getaddrinfo was not found." 630 #else 631 # define CURLRES_IPV4 632 #endif 633 634 #ifdef USE_ARES 635 # define CURLRES_ASYNCH 636 # define CURLRES_ARES 637 /* now undef the stock libc functions just to avoid them being used */ 638 # undef HAVE_GETADDRINFO 639 # undef HAVE_FREEADDRINFO 640 #elif defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32) 641 # define CURLRES_ASYNCH 642 # define CURLRES_THREADED 643 #else 644 # define CURLRES_SYNCH 645 #endif 646 647 /* ---------------------------------------------------------------- */ 648 649 #if defined(HAVE_LIBIDN2) && defined(HAVE_IDN2_H) && \ 650 !defined(USE_WIN32_IDN) && !defined(USE_APPLE_IDN) 651 /* The lib and header are present */ 652 #define USE_LIBIDN2 653 #endif 654 655 #if defined(USE_LIBIDN2) && (defined(USE_WIN32_IDN) || defined(USE_APPLE_IDN)) 656 #error "libidn2 cannot be enabled with WinIDN or AppleIDN, choose one." 657 #endif 658 659 #define LIBIDN_REQUIRED_VERSION "0.4.1" 660 661 #if defined(USE_GNUTLS) || defined(USE_OPENSSL) || defined(USE_MBEDTLS) || \ 662 defined(USE_WOLFSSL) || defined(USE_SCHANNEL) || defined(USE_SECTRANSP) || \ 663 defined(USE_BEARSSL) || defined(USE_RUSTLS) 664 #define USE_SSL /* SSL support has been enabled */ 665 #endif 666 667 /* Single point where USE_SPNEGO definition might be defined */ 668 #if !defined(CURL_DISABLE_NEGOTIATE_AUTH) && \ 669 (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)) 670 #define USE_SPNEGO 671 #endif 672 673 /* Single point where USE_KERBEROS5 definition might be defined */ 674 #if !defined(CURL_DISABLE_KERBEROS_AUTH) && \ 675 (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)) 676 #define USE_KERBEROS5 677 #endif 678 679 /* Single point where USE_NTLM definition might be defined */ 680 #if !defined(CURL_DISABLE_NTLM) 681 # if defined(USE_OPENSSL) || defined(USE_MBEDTLS) || \ 682 defined(USE_GNUTLS) || defined(USE_SECTRANSP) || \ 683 defined(USE_OS400CRYPTO) || defined(USE_WIN32_CRYPTO) || \ 684 (defined(USE_WOLFSSL) && defined(HAVE_WOLFSSL_DES_ECB_ENCRYPT)) 685 # define USE_CURL_NTLM_CORE 686 # endif 687 # if defined(USE_CURL_NTLM_CORE) || defined(USE_WINDOWS_SSPI) 688 # define USE_NTLM 689 # endif 690 #endif 691 692 #ifdef CURL_WANTS_CA_BUNDLE_ENV 693 #error "No longer supported. Set CURLOPT_CAINFO at runtime instead." 694 #endif 695 696 #if defined(USE_LIBSSH2) || defined(USE_LIBSSH) || defined(USE_WOLFSSH) 697 #define USE_SSH 698 #endif 699 700 /* 701 * Provide a mechanism to silence picky compilers, such as gcc 4.6+. 702 * Parameters should of course normally not be unused, but for example when 703 * we have multiple implementations of the same interface it may happen. 704 */ 705 706 #if defined(__GNUC__) && ((__GNUC__ >= 3) || \ 707 ((__GNUC__ == 2) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ >= 7))) 708 # define UNUSED_PARAM __attribute__((__unused__)) 709 # define WARN_UNUSED_RESULT __attribute__((warn_unused_result)) 710 #elif defined(__IAR_SYSTEMS_ICC__) 711 # define UNUSED_PARAM __attribute__((__unused__)) 712 # if (__VER__ >= 9040001) 713 # define WARN_UNUSED_RESULT __attribute__((warn_unused_result)) 714 # else 715 # define WARN_UNUSED_RESULT 716 # endif 717 #else 718 # define UNUSED_PARAM /* NOTHING */ 719 # define WARN_UNUSED_RESULT 720 #endif 721 722 /* noreturn attribute */ 723 724 #if !defined(CURL_NORETURN) 725 #if (defined(__GNUC__) && (__GNUC__ >= 3)) || defined(__clang__) || \ 726 defined(__IAR_SYSTEMS_ICC__) 727 # define CURL_NORETURN __attribute__((__noreturn__)) 728 #elif defined(_MSC_VER) && (_MSC_VER >= 1200) 729 # define CURL_NORETURN __declspec(noreturn) 730 #else 731 # define CURL_NORETURN 732 #endif 733 #endif 734 735 /* fallthrough attribute */ 736 737 #if !defined(FALLTHROUGH) 738 #if (defined(__GNUC__) && __GNUC__ >= 7) || \ 739 (defined(__clang__) && __clang_major__ >= 10) 740 # define FALLTHROUGH() __attribute__((fallthrough)) 741 #else 742 # define FALLTHROUGH() do {} while (0) 743 #endif 744 #endif 745 746 /* 747 * Include macros and defines that should only be processed once. 748 */ 749 750 #ifndef HEADER_CURL_SETUP_ONCE_H 751 #include "curl_setup_once.h" 752 #endif 753 754 /* 755 * Definition of our NOP statement Object-like macro 756 */ 757 758 #ifndef Curl_nop_stmt 759 # define Curl_nop_stmt do { } while(0) 760 #endif 761 762 /* 763 * Ensure that Winsock and lwIP TCP/IP stacks are not mixed. 764 */ 765 766 #if defined(__LWIP_OPT_H__) || defined(LWIP_HDR_OPT_H) 767 # if defined(SOCKET) || defined(USE_WINSOCK) 768 # error "WinSock and lwIP TCP/IP stack definitions shall not coexist!" 769 # endif 770 #endif 771 772 /* 773 * shutdown() flags for systems that don't define them 774 */ 775 776 #ifndef SHUT_RD 777 #define SHUT_RD 0x00 778 #endif 779 780 #ifndef SHUT_WR 781 #define SHUT_WR 0x01 782 #endif 783 784 #ifndef SHUT_RDWR 785 #define SHUT_RDWR 0x02 786 #endif 787 788 /* Define S_ISREG if not defined by system headers, e.g. MSVC */ 789 #if !defined(S_ISREG) && defined(S_IFMT) && defined(S_IFREG) 790 #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) 791 #endif 792 793 /* Define S_ISDIR if not defined by system headers, e.g. MSVC */ 794 #if !defined(S_ISDIR) && defined(S_IFMT) && defined(S_IFDIR) 795 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) 796 #endif 797 798 /* In Windows the default file mode is text but an application can override it. 799 Therefore we specify it explicitly. https://github.com/curl/curl/pull/258 800 */ 801 #if defined(_WIN32) || defined(MSDOS) 802 #define FOPEN_READTEXT "rt" 803 #define FOPEN_WRITETEXT "wt" 804 #define FOPEN_APPENDTEXT "at" 805 #elif defined(__CYGWIN__) 806 /* Cygwin has specific behavior we need to address when WIN32 is not defined. 807 https://cygwin.com/cygwin-ug-net/using-textbinary.html 808 For write we want our output to have line endings of LF and be compatible with 809 other Cygwin utilities. For read we want to handle input that may have line 810 endings either CRLF or LF so 't' is appropriate. 811 */ 812 #define FOPEN_READTEXT "rt" 813 #define FOPEN_WRITETEXT "w" 814 #define FOPEN_APPENDTEXT "a" 815 #else 816 #define FOPEN_READTEXT "r" 817 #define FOPEN_WRITETEXT "w" 818 #define FOPEN_APPENDTEXT "a" 819 #endif 820 821 /* for systems that don't detect this in configure */ 822 #ifndef CURL_SA_FAMILY_T 823 # if defined(HAVE_SA_FAMILY_T) 824 # define CURL_SA_FAMILY_T sa_family_t 825 # elif defined(HAVE_ADDRESS_FAMILY) 826 # define CURL_SA_FAMILY_T ADDRESS_FAMILY 827 # else 828 /* use a sensible default */ 829 # define CURL_SA_FAMILY_T unsigned short 830 # endif 831 #endif 832 833 /* Some convenience macros to get the larger/smaller value out of two given. 834 We prefix with CURL to prevent name collisions. */ 835 #define CURLMAX(x,y) ((x)>(y)?(x):(y)) 836 #define CURLMIN(x,y) ((x)<(y)?(x):(y)) 837 838 /* A convenience macro to provide both the string literal and the length of 839 the string literal in one go, useful for functions that take "string,len" 840 as their argument */ 841 #define STRCONST(x) x,sizeof(x)-1 842 843 /* Some versions of the Android SDK is missing the declaration */ 844 #if defined(HAVE_GETPWUID_R) && defined(HAVE_DECL_GETPWUID_R_MISSING) 845 struct passwd; 846 int getpwuid_r(uid_t uid, struct passwd *pwd, char *buf, 847 size_t buflen, struct passwd **result); 848 #endif 849 850 #ifdef UNITTESTS 851 #define UNITTEST 852 #else 853 #define UNITTEST static 854 #endif 855 856 /* Hyper supports HTTP2 also, but Curl's integration with Hyper does not */ 857 #if defined(USE_NGHTTP2) 858 #define USE_HTTP2 859 #endif 860 861 #if (defined(USE_NGTCP2) && defined(USE_NGHTTP3)) || \ 862 (defined(USE_OPENSSL_QUIC) && defined(USE_NGHTTP3)) || \ 863 defined(USE_QUICHE) || defined(USE_MSH3) 864 865 #ifdef CURL_WITH_MULTI_SSL 866 #error "Multi-SSL combined with QUIC is not supported" 867 #endif 868 869 #define USE_HTTP3 870 #endif 871 872 /* Certain Windows implementations are not aligned with what curl expects, 873 so always use the local one on this platform. E.g. the mingw-w64 874 implementation can return wrong results for non-ASCII inputs. */ 875 #if defined(HAVE_BASENAME) && defined(_WIN32) 876 #undef HAVE_BASENAME 877 #endif 878 879 #if defined(USE_UNIX_SOCKETS) && defined(_WIN32) 880 # if !defined(UNIX_PATH_MAX) 881 /* Replicating logic present in afunix.h 882 (distributed with newer Windows 10 SDK versions only) */ 883 # define UNIX_PATH_MAX 108 884 /* !checksrc! disable TYPEDEFSTRUCT 1 */ 885 typedef struct sockaddr_un { 886 ADDRESS_FAMILY sun_family; 887 char sun_path[UNIX_PATH_MAX]; 888 } SOCKADDR_UN, *PSOCKADDR_UN; 889 # define WIN32_SOCKADDR_UN 890 # endif 891 #endif 892 893 /* OpenSSLv3 marks DES, MD5 and ENGINE functions deprecated but we have no 894 replacements (yet) so tell the compiler to not warn for them. */ 895 #ifdef USE_OPENSSL 896 #define OPENSSL_SUPPRESS_DEPRECATED 897 #endif 898 899 #if defined(inline) 900 /* 'inline' is defined as macro and assumed to be correct */ 901 /* No need for 'inline' replacement */ 902 #elif defined(__cplusplus) 903 /* The code is compiled with C++ compiler. 904 C++ always supports 'inline'. */ 905 /* No need for 'inline' replacement */ 906 #elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901 907 /* C99 (and later) supports 'inline' keyword */ 908 /* No need for 'inline' replacement */ 909 #elif defined(__GNUC__) && __GNUC__ >= 3 910 /* GCC supports '__inline__' as an extension */ 911 # define inline __inline__ 912 #elif defined(_MSC_VER) && _MSC_VER >= 1400 913 /* MSC supports '__inline' from VS 2005 (or even earlier) */ 914 # define inline __inline 915 #else 916 /* Probably 'inline' is not supported by compiler. 917 Define to the empty string to be on the safe side. */ 918 # define inline /* empty */ 919 #endif 920 921 #endif /* HEADER_CURL_SETUP_H */ 922
