curl_setup.h 23 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856
  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. #if defined(BUILDING_LIBCURL) && !defined(CURL_NO_OLDIES)
  27. #define CURL_NO_OLDIES
  28. #endif
  29. /* define mingw version macros, eg __MINGW{32,64}_{MINOR,MAJOR}_VERSION */
  30. #ifdef __MINGW32__
  31. #include <_mingw.h>
  32. #endif
  33. /*
  34. * Disable Visual Studio warnings:
  35. * 4127 "conditional expression is constant"
  36. */
  37. #ifdef _MSC_VER
  38. #pragma warning(disable:4127)
  39. #endif
  40. /*
  41. * Define WIN32 when build target is Win32 API
  42. */
  43. #if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32)
  44. #define WIN32
  45. #endif
  46. #ifdef WIN32
  47. /*
  48. * Don't include unneeded stuff in Windows headers to avoid compiler
  49. * warnings and macro clashes.
  50. * Make sure to define this macro before including any Windows headers.
  51. */
  52. # ifndef WIN32_LEAN_AND_MEAN
  53. # define WIN32_LEAN_AND_MEAN
  54. # endif
  55. # ifndef NOGDI
  56. # define NOGDI
  57. # endif
  58. /* Detect Windows App environment which has a restricted access
  59. * to the Win32 APIs. */
  60. # if (defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0602)) || \
  61. defined(WINAPI_FAMILY)
  62. # include <winapifamily.h>
  63. # if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) && \
  64. !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
  65. # define CURL_WINDOWS_APP
  66. # endif
  67. # endif
  68. #endif
  69. /*
  70. * Include configuration script results or hand-crafted
  71. * configuration file for platforms which lack config tool.
  72. */
  73. #ifdef HAVE_CONFIG_H
  74. #include "curl_config.h"
  75. #else /* HAVE_CONFIG_H */
  76. #ifdef _WIN32_WCE
  77. # error #include "config-win32ce.h"
  78. #else
  79. # ifdef WIN32
  80. # error #include "config-win32.h"
  81. # endif
  82. #endif
  83. #ifdef macintosh
  84. # error #include "config-mac.h"
  85. #endif
  86. #ifdef __riscos__
  87. # error #include "config-riscos.h"
  88. #endif
  89. #ifdef __AMIGA__
  90. # error #include "config-amigaos.h"
  91. #endif
  92. #ifdef __OS400__
  93. # error #include "config-os400.h"
  94. #endif
  95. #ifdef __PLAN9__
  96. # error #include "config-plan9.h"
  97. #endif
  98. #ifdef MSDOS
  99. # error #include "config-dos.h"
  100. #endif
  101. #endif /* HAVE_CONFIG_H */
  102. /* ================================================================ */
  103. /* Definition of preprocessor macros/symbols which modify compiler */
  104. /* behavior or generated code characteristics must be done here, */
  105. /* as appropriate, before any system header file is included. It is */
  106. /* also possible to have them defined in the config file included */
  107. /* before this point. As a result of all this we frown inclusion of */
  108. /* system header files in our config files, avoid this at any cost. */
  109. /* ================================================================ */
  110. /*
  111. * AIX 4.3 and newer needs _THREAD_SAFE defined to build
  112. * proper reentrant code. Others may also need it.
  113. */
  114. #ifdef NEED_THREAD_SAFE
  115. # ifndef _THREAD_SAFE
  116. # define _THREAD_SAFE
  117. # endif
  118. #endif
  119. /*
  120. * Tru64 needs _REENTRANT set for a few function prototypes and
  121. * things to appear in the system header files. Unixware needs it
  122. * to build proper reentrant code. Others may also need it.
  123. */
  124. #ifdef NEED_REENTRANT
  125. # ifndef _REENTRANT
  126. # define _REENTRANT
  127. # endif
  128. #endif
  129. /* Solaris needs this to get a POSIX-conformant getpwuid_r */
  130. #if defined(sun) || defined(__sun)
  131. # ifndef _POSIX_PTHREAD_SEMANTICS
  132. # define _POSIX_PTHREAD_SEMANTICS 1
  133. # endif
  134. #endif
  135. /* ================================================================ */
  136. /* If you need to include a system header file for your platform, */
  137. /* please, do it beyond the point further indicated in this file. */
  138. /* ================================================================ */
  139. /*
  140. * Disable other protocols when http is the only one desired.
  141. */
  142. #ifdef HTTP_ONLY
  143. # ifndef CURL_DISABLE_DICT
  144. # define CURL_DISABLE_DICT
  145. # endif
  146. # ifndef CURL_DISABLE_FILE
  147. # define CURL_DISABLE_FILE
  148. # endif
  149. # ifndef CURL_DISABLE_FTP
  150. # define CURL_DISABLE_FTP
  151. # endif
  152. # ifndef CURL_DISABLE_GOPHER
  153. # define CURL_DISABLE_GOPHER
  154. # endif
  155. # ifndef CURL_DISABLE_IMAP
  156. # define CURL_DISABLE_IMAP
  157. # endif
  158. # ifndef CURL_DISABLE_LDAP
  159. # define CURL_DISABLE_LDAP
  160. # endif
  161. # ifndef CURL_DISABLE_LDAPS
  162. # define CURL_DISABLE_LDAPS
  163. # endif
  164. # ifndef CURL_DISABLE_MQTT
  165. # define CURL_DISABLE_MQTT
  166. # endif
  167. # ifndef CURL_DISABLE_POP3
  168. # define CURL_DISABLE_POP3
  169. # endif
  170. # ifndef CURL_DISABLE_RTSP
  171. # define CURL_DISABLE_RTSP
  172. # endif
  173. # ifndef CURL_DISABLE_SMB
  174. # define CURL_DISABLE_SMB
  175. # endif
  176. # ifndef CURL_DISABLE_SMTP
  177. # define CURL_DISABLE_SMTP
  178. # endif
  179. # ifndef CURL_DISABLE_TELNET
  180. # define CURL_DISABLE_TELNET
  181. # endif
  182. # ifndef CURL_DISABLE_TFTP
  183. # define CURL_DISABLE_TFTP
  184. # endif
  185. #endif
  186. /*
  187. * When http is disabled rtsp is not supported.
  188. */
  189. #if defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_RTSP)
  190. # define CURL_DISABLE_RTSP
  191. #endif
  192. /* ================================================================ */
  193. /* No system header file shall be included in this file before this */
  194. /* point. */
  195. /* ================================================================ */
  196. /*
  197. * OS/400 setup file includes some system headers.
  198. */
  199. #ifdef __OS400__
  200. # error #include "setup-os400.h"
  201. #endif
  202. /*
  203. * VMS setup file includes some system headers.
  204. */
  205. #ifdef __VMS
  206. # error #include "setup-vms.h"
  207. #endif
  208. /*
  209. * Windows setup file includes some system headers.
  210. */
  211. #ifdef HAVE_WINDOWS_H
  212. # include "setup-win32.h"
  213. #endif
  214. #include <curl/system.h>
  215. /*
  216. * Use getaddrinfo to resolve the IPv4 address literal. If the current network
  217. * interface doesn't support IPv4, but supports IPv6, NAT64, and DNS64,
  218. * performing this task will result in a synthesized IPv6 address.
  219. */
  220. #if defined(__APPLE__) && !defined(USE_ARES)
  221. #include <TargetConditionals.h>
  222. #define USE_RESOLVE_ON_IPS 1
  223. # if !defined(TARGET_OS_OSX) || TARGET_OS_OSX
  224. # define CURL_OSX_CALL_COPYPROXIES 1
  225. # endif
  226. #endif
  227. #ifdef USE_LWIPSOCK
  228. # include <lwip/init.h>
  229. # include <lwip/sockets.h>
  230. # include <lwip/netdb.h>
  231. #endif
  232. #ifdef HAVE_EXTRA_STRICMP_H
  233. # include <extra/stricmp.h>
  234. #endif
  235. #ifdef HAVE_EXTRA_STRDUP_H
  236. # include <extra/strdup.h>
  237. #endif
  238. #ifdef __AMIGA__
  239. # ifdef __amigaos4__
  240. # define __USE_INLINE__
  241. /* use our own resolver which uses runtime feature detection */
  242. # define CURLRES_AMIGA
  243. /* getaddrinfo() currently crashes bsdsocket.library, so disable */
  244. # undef HAVE_GETADDRINFO
  245. # if !(defined(__NEWLIB__) || \
  246. (defined(__CLIB2__) && defined(__THREAD_SAFE)))
  247. /* disable threaded resolver with clib2 - requires newlib or clib-ts */
  248. # undef USE_THREADS_POSIX
  249. # endif
  250. # endif
  251. # include <exec/types.h>
  252. # include <exec/execbase.h>
  253. # include <proto/exec.h>
  254. # include <proto/dos.h>
  255. # include <unistd.h>
  256. # if defined(HAVE_PROTO_BSDSOCKET_H) && \
  257. (!defined(__amigaos4__) || defined(USE_AMISSL))
  258. /* use bsdsocket.library directly, instead of libc networking functions */
  259. # define _SYS_MBUF_H /* m_len define clashes with curl */
  260. # error #include <proto/bsdsocket.h>
  261. # ifdef __amigaos4__
  262. int Curl_amiga_select(int nfds, fd_set *readfds, fd_set *writefds,
  263. fd_set *errorfds, struct timeval *timeout);
  264. # define select(a,b,c,d,e) Curl_amiga_select(a,b,c,d,e)
  265. # else
  266. # define select(a,b,c,d,e) WaitSelect(a,b,c,d,e,0)
  267. # endif
  268. /* must not use libc's fcntl() on bsdsocket.library sockfds! */
  269. # undef HAVE_FCNTL
  270. # undef HAVE_FCNTL_O_NONBLOCK
  271. # else
  272. /* use libc networking and hence close() and fnctl() */
  273. # undef HAVE_CLOSESOCKET_CAMEL
  274. # undef HAVE_IOCTLSOCKET_CAMEL
  275. # endif
  276. /*
  277. * In clib2 arpa/inet.h warns that some prototypes may clash
  278. * with bsdsocket.library. This avoids the definition of those.
  279. */
  280. # define __NO_NET_API
  281. #endif
  282. #include <stdio.h>
  283. #include <assert.h>
  284. #ifdef __TANDEM /* for ns*-tandem-nsk systems */
  285. # if ! defined __LP64
  286. # include <floss.h> /* FLOSS is only used for 32-bit builds. */
  287. # endif
  288. #endif
  289. #ifndef STDC_HEADERS /* no standard C headers! */
  290. #include <curl/stdcheaders.h>
  291. #endif
  292. #ifdef __POCC__
  293. # include <sys/types.h>
  294. # include <unistd.h>
  295. # define sys_nerr EILSEQ
  296. #endif
  297. /*
  298. * Salford-C kludge section (mostly borrowed from wxWidgets).
  299. */
  300. #ifdef __SALFORDC__
  301. #pragma suppress 353 /* Possible nested comments */
  302. #pragma suppress 593 /* Define not used */
  303. #pragma suppress 61 /* enum has no name */
  304. #pragma suppress 106 /* unnamed, unused parameter */
  305. #include <clib.h>
  306. #endif
  307. /*
  308. * Large file (>2Gb) support using WIN32 functions.
  309. */
  310. #ifdef USE_WIN32_LARGE_FILES
  311. # include <io.h>
  312. # include <sys/types.h>
  313. # include <sys/stat.h>
  314. # undef lseek
  315. # define lseek(fdes,offset,whence) _lseeki64(fdes, offset, whence)
  316. # undef fstat
  317. # define fstat(fdes,stp) _fstati64(fdes, stp)
  318. # undef stat
  319. # define stat(fname,stp) curlx_win32_stat(fname, stp)
  320. # define struct_stat struct _stati64
  321. # define LSEEK_ERROR (__int64)-1
  322. # define open curlx_win32_open
  323. # define fopen(fname,mode) curlx_win32_fopen(fname, mode)
  324. # define access(fname,mode) curlx_win32_access(fname, mode)
  325. int curlx_win32_open(const char *filename, int oflag, ...);
  326. int curlx_win32_stat(const char *path, struct_stat *buffer);
  327. FILE *curlx_win32_fopen(const char *filename, const char *mode);
  328. int curlx_win32_access(const char *path, int mode);
  329. #endif
  330. /*
  331. * Small file (<2Gb) support using WIN32 functions.
  332. */
  333. #ifdef USE_WIN32_SMALL_FILES
  334. # include <io.h>
  335. # include <sys/types.h>
  336. # include <sys/stat.h>
  337. # ifndef _WIN32_WCE
  338. # undef lseek
  339. # define lseek(fdes,offset,whence) _lseek(fdes, (long)offset, whence)
  340. # define fstat(fdes,stp) _fstat(fdes, stp)
  341. # define stat(fname,stp) curlx_win32_stat(fname, stp)
  342. # define struct_stat struct _stat
  343. # define open curlx_win32_open
  344. # define fopen(fname,mode) curlx_win32_fopen(fname, mode)
  345. # define access(fname,mode) curlx_win32_access(fname, mode)
  346. int curlx_win32_stat(const char *path, struct_stat *buffer);
  347. int curlx_win32_open(const char *filename, int oflag, ...);
  348. FILE *curlx_win32_fopen(const char *filename, const char *mode);
  349. int curlx_win32_access(const char *path, int mode);
  350. # endif
  351. # define LSEEK_ERROR (long)-1
  352. #endif
  353. #ifndef struct_stat
  354. # define struct_stat struct stat
  355. #endif
  356. #ifndef LSEEK_ERROR
  357. # define LSEEK_ERROR (off_t)-1
  358. #endif
  359. #ifndef SIZEOF_TIME_T
  360. /* assume default size of time_t to be 32 bit */
  361. #define SIZEOF_TIME_T 4
  362. #endif
  363. /*
  364. * Default sizeof(off_t) in case it hasn't been defined in config file.
  365. */
  366. #ifndef SIZEOF_OFF_T
  367. # if defined(__VMS) && !defined(__VAX)
  368. # if defined(_LARGEFILE)
  369. # define SIZEOF_OFF_T 8
  370. # endif
  371. # elif defined(__OS400__) && defined(__ILEC400__)
  372. # if defined(_LARGE_FILES)
  373. # define SIZEOF_OFF_T 8
  374. # endif
  375. # elif defined(__MVS__) && defined(__IBMC__)
  376. # if defined(_LP64) || defined(_LARGE_FILES)
  377. # define SIZEOF_OFF_T 8
  378. # endif
  379. # elif defined(__370__) && defined(__IBMC__)
  380. # if defined(_LP64) || defined(_LARGE_FILES)
  381. # define SIZEOF_OFF_T 8
  382. # endif
  383. # endif
  384. # ifndef SIZEOF_OFF_T
  385. # define SIZEOF_OFF_T 4
  386. # endif
  387. #endif
  388. #if (SIZEOF_CURL_OFF_T < 8)
  389. #error "too small curl_off_t"
  390. #else
  391. /* assume SIZEOF_CURL_OFF_T == 8 */
  392. # define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF)
  393. #endif
  394. #define CURL_OFF_T_MIN (-CURL_OFF_T_MAX - CURL_OFF_T_C(1))
  395. #if (SIZEOF_TIME_T == 4)
  396. # ifdef HAVE_TIME_T_UNSIGNED
  397. # define TIME_T_MAX UINT_MAX
  398. # define TIME_T_MIN 0
  399. # else
  400. # define TIME_T_MAX INT_MAX
  401. # define TIME_T_MIN INT_MIN
  402. # endif
  403. #else
  404. # ifdef HAVE_TIME_T_UNSIGNED
  405. # define TIME_T_MAX 0xFFFFFFFFFFFFFFFF
  406. # define TIME_T_MIN 0
  407. # else
  408. # define TIME_T_MAX 0x7FFFFFFFFFFFFFFF
  409. # define TIME_T_MIN (-TIME_T_MAX - 1)
  410. # endif
  411. #endif
  412. #ifndef SIZE_T_MAX
  413. /* some limits.h headers have this defined, some don't */
  414. #if defined(SIZEOF_SIZE_T) && (SIZEOF_SIZE_T > 4)
  415. #define SIZE_T_MAX 18446744073709551615U
  416. #else
  417. #define SIZE_T_MAX 4294967295U
  418. #endif
  419. #endif
  420. #ifndef SSIZE_T_MAX
  421. /* some limits.h headers have this defined, some don't */
  422. #if defined(SIZEOF_SIZE_T) && (SIZEOF_SIZE_T > 4)
  423. #define SSIZE_T_MAX 9223372036854775807
  424. #else
  425. #define SSIZE_T_MAX 2147483647
  426. #endif
  427. #endif
  428. /*
  429. * Arg 2 type for gethostname in case it hasn't been defined in config file.
  430. */
  431. #ifndef GETHOSTNAME_TYPE_ARG2
  432. # ifdef USE_WINSOCK
  433. # define GETHOSTNAME_TYPE_ARG2 int
  434. # else
  435. # define GETHOSTNAME_TYPE_ARG2 size_t
  436. # endif
  437. #endif
  438. /* Below we define some functions. They should
  439. 4. set the SIGALRM signal timeout
  440. 5. set dir/file naming defines
  441. */
  442. #ifdef WIN32
  443. # define DIR_CHAR "\\"
  444. #else /* WIN32 */
  445. # ifdef MSDOS /* Watt-32 */
  446. # include <sys/ioctl.h>
  447. # define select(n,r,w,x,t) select_s(n,r,w,x,t)
  448. # define ioctl(x,y,z) ioctlsocket(x,y,(char *)(z))
  449. # include <tcp.h>
  450. # ifdef word
  451. # undef word
  452. # endif
  453. # ifdef byte
  454. # undef byte
  455. # endif
  456. # endif /* MSDOS */
  457. # ifdef __minix
  458. /* Minix 3 versions up to at least 3.1.3 are missing these prototypes */
  459. extern char *strtok_r(char *s, const char *delim, char **last);
  460. extern struct tm *gmtime_r(const time_t * const timep, struct tm *tmp);
  461. # endif
  462. # define DIR_CHAR "/"
  463. # ifndef fileno /* sunos 4 have this as a macro! */
  464. int fileno(FILE *stream);
  465. # endif
  466. #endif /* WIN32 */
  467. /*
  468. * msvc 6.0 requires PSDK in order to have INET6_ADDRSTRLEN
  469. * defined in ws2tcpip.h as well as to provide IPv6 support.
  470. * Does not apply if lwIP is used.
  471. */
  472. #if defined(_MSC_VER) && !defined(__POCC__) && !defined(USE_LWIPSOCK)
  473. # if !defined(HAVE_WS2TCPIP_H) || \
  474. ((_MSC_VER < 1300) && !defined(INET6_ADDRSTRLEN))
  475. # undef HAVE_GETADDRINFO_THREADSAFE
  476. # undef HAVE_FREEADDRINFO
  477. # undef HAVE_GETADDRINFO
  478. # undef ENABLE_IPV6
  479. # endif
  480. #endif
  481. /* ---------------------------------------------------------------- */
  482. /* resolver specialty compile-time defines */
  483. /* CURLRES_* defines to use in the host*.c sources */
  484. /* ---------------------------------------------------------------- */
  485. /*
  486. * lcc-win32 doesn't have _beginthreadex(), lacks threads support.
  487. */
  488. #if defined(__LCC__) && defined(WIN32)
  489. # undef USE_THREADS_POSIX
  490. # undef USE_THREADS_WIN32
  491. #endif
  492. /*
  493. * MSVC threads support requires a multi-threaded runtime library.
  494. * _beginthreadex() is not available in single-threaded ones.
  495. */
  496. #if defined(_MSC_VER) && !defined(__POCC__) && !defined(_MT)
  497. # undef USE_THREADS_POSIX
  498. # undef USE_THREADS_WIN32
  499. #endif
  500. /*
  501. * Mutually exclusive CURLRES_* definitions.
  502. */
  503. #if defined(ENABLE_IPV6) && defined(HAVE_GETADDRINFO)
  504. # define CURLRES_IPV6
  505. #else
  506. # define CURLRES_IPV4
  507. #endif
  508. #ifdef USE_ARES
  509. # define CURLRES_ASYNCH
  510. # define CURLRES_ARES
  511. /* now undef the stock libc functions just to avoid them being used */
  512. # undef HAVE_GETADDRINFO
  513. # undef HAVE_FREEADDRINFO
  514. #elif defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32)
  515. # define CURLRES_ASYNCH
  516. # define CURLRES_THREADED
  517. #else
  518. # define CURLRES_SYNCH
  519. #endif
  520. /* ---------------------------------------------------------------- */
  521. /*
  522. * msvc 6.0 does not have struct sockaddr_storage and
  523. * does not define IPPROTO_ESP in winsock2.h. But both
  524. * are available if PSDK is properly installed.
  525. */
  526. #if defined(_MSC_VER) && !defined(__POCC__)
  527. # if !defined(HAVE_WINSOCK2_H) || ((_MSC_VER < 1300) && !defined(IPPROTO_ESP))
  528. # undef HAVE_STRUCT_SOCKADDR_STORAGE
  529. # endif
  530. #endif
  531. /*
  532. * Intentionally fail to build when using msvc 6.0 without PSDK installed.
  533. * The brave of heart can circumvent this, defining ALLOW_MSVC6_WITHOUT_PSDK
  534. * in lib/config-win32.h although absolutely discouraged and unsupported.
  535. */
  536. #if defined(_MSC_VER) && !defined(__POCC__)
  537. # if !defined(HAVE_WINDOWS_H) || ((_MSC_VER < 1300) && !defined(_FILETIME_))
  538. # if !defined(ALLOW_MSVC6_WITHOUT_PSDK)
  539. # error MSVC 6.0 requires "February 2003 Platform SDK" a.k.a. \
  540. "Windows Server 2003 PSDK"
  541. # else
  542. # define CURL_DISABLE_LDAP 1
  543. # endif
  544. # endif
  545. #endif
  546. #if defined(HAVE_LIBIDN2) && defined(HAVE_IDN2_H) && !defined(USE_WIN32_IDN)
  547. /* The lib and header are present */
  548. #define USE_LIBIDN2
  549. #endif
  550. #if defined(USE_LIBIDN2) && defined(USE_WIN32_IDN)
  551. #error "Both libidn2 and WinIDN are enabled, choose one."
  552. #endif
  553. #define LIBIDN_REQUIRED_VERSION "0.4.1"
  554. #if defined(USE_GNUTLS) || defined(USE_OPENSSL) || defined(USE_NSS) || \
  555. defined(USE_MBEDTLS) || \
  556. defined(USE_WOLFSSL) || defined(USE_SCHANNEL) || \
  557. defined(USE_SECTRANSP) || defined(USE_GSKIT) || \
  558. defined(USE_BEARSSL) || defined(USE_RUSTLS)
  559. #define USE_SSL /* SSL support has been enabled */
  560. #endif
  561. /* Single point where USE_SPNEGO definition might be defined */
  562. #if !defined(CURL_DISABLE_CRYPTO_AUTH) && \
  563. (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI))
  564. #define USE_SPNEGO
  565. #endif
  566. /* Single point where USE_KERBEROS5 definition might be defined */
  567. #if !defined(CURL_DISABLE_CRYPTO_AUTH) && \
  568. (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI))
  569. #define USE_KERBEROS5
  570. #endif
  571. /* Single point where USE_NTLM definition might be defined */
  572. #if !defined(CURL_DISABLE_CRYPTO_AUTH) && !defined(CURL_DISABLE_NTLM)
  573. # if defined(USE_OPENSSL) || defined(USE_MBEDTLS) || \
  574. defined(USE_GNUTLS) || defined(USE_NSS) || defined(USE_SECTRANSP) || \
  575. defined(USE_OS400CRYPTO) || defined(USE_WIN32_CRYPTO) || \
  576. (defined(USE_WOLFSSL) && defined(HAVE_WOLFSSL_DES_ECB_ENCRYPT))
  577. # define USE_CURL_NTLM_CORE
  578. # endif
  579. # if defined(USE_CURL_NTLM_CORE) || defined(USE_WINDOWS_SSPI)
  580. # define USE_NTLM
  581. # endif
  582. #endif
  583. #ifdef CURL_WANTS_CA_BUNDLE_ENV
  584. #error "No longer supported. Set CURLOPT_CAINFO at runtime instead."
  585. #endif
  586. #if defined(USE_LIBSSH2) || defined(USE_LIBSSH) || defined(USE_WOLFSSH)
  587. #define USE_SSH
  588. #endif
  589. /*
  590. * Provide a mechanism to silence picky compilers, such as gcc 4.6+.
  591. * Parameters should of course normally not be unused, but for example when
  592. * we have multiple implementations of the same interface it may happen.
  593. */
  594. #if defined(__GNUC__) && ((__GNUC__ >= 3) || \
  595. ((__GNUC__ == 2) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ >= 7)))
  596. # define UNUSED_PARAM __attribute__((__unused__))
  597. # define WARN_UNUSED_RESULT __attribute__((warn_unused_result))
  598. #else
  599. # define UNUSED_PARAM /* NOTHING */
  600. # define WARN_UNUSED_RESULT
  601. #endif
  602. /*
  603. * Include macros and defines that should only be processed once.
  604. */
  605. #ifndef HEADER_CURL_SETUP_ONCE_H
  606. #include "curl_setup_once.h"
  607. #endif
  608. /*
  609. * Definition of our NOP statement Object-like macro
  610. */
  611. #ifndef Curl_nop_stmt
  612. # define Curl_nop_stmt do { } while(0)
  613. #endif
  614. /*
  615. * Ensure that Winsock and lwIP TCP/IP stacks are not mixed.
  616. */
  617. #if defined(__LWIP_OPT_H__) || defined(LWIP_HDR_OPT_H)
  618. # if defined(SOCKET) || \
  619. defined(USE_WINSOCK) || \
  620. defined(HAVE_WINSOCK2_H) || \
  621. defined(HAVE_WS2TCPIP_H)
  622. # error "WinSock and lwIP TCP/IP stack definitions shall not coexist!"
  623. # endif
  624. #endif
  625. /*
  626. * shutdown() flags for systems that don't define them
  627. */
  628. #ifndef SHUT_RD
  629. #define SHUT_RD 0x00
  630. #endif
  631. #ifndef SHUT_WR
  632. #define SHUT_WR 0x01
  633. #endif
  634. #ifndef SHUT_RDWR
  635. #define SHUT_RDWR 0x02
  636. #endif
  637. /* Define S_ISREG if not defined by system headers, e.g. MSVC */
  638. #if !defined(S_ISREG) && defined(S_IFMT) && defined(S_IFREG)
  639. #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
  640. #endif
  641. /* Define S_ISDIR if not defined by system headers, e.g. MSVC */
  642. #if !defined(S_ISDIR) && defined(S_IFMT) && defined(S_IFDIR)
  643. #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
  644. #endif
  645. /* In Windows the default file mode is text but an application can override it.
  646. Therefore we specify it explicitly. https://github.com/curl/curl/pull/258
  647. */
  648. #if defined(WIN32) || defined(MSDOS)
  649. #define FOPEN_READTEXT "rt"
  650. #define FOPEN_WRITETEXT "wt"
  651. #define FOPEN_APPENDTEXT "at"
  652. #elif defined(__CYGWIN__)
  653. /* Cygwin has specific behavior we need to address when WIN32 is not defined.
  654. https://cygwin.com/cygwin-ug-net/using-textbinary.html
  655. For write we want our output to have line endings of LF and be compatible with
  656. other Cygwin utilities. For read we want to handle input that may have line
  657. endings either CRLF or LF so 't' is appropriate.
  658. */
  659. #define FOPEN_READTEXT "rt"
  660. #define FOPEN_WRITETEXT "w"
  661. #define FOPEN_APPENDTEXT "a"
  662. #else
  663. #define FOPEN_READTEXT "r"
  664. #define FOPEN_WRITETEXT "w"
  665. #define FOPEN_APPENDTEXT "a"
  666. #endif
  667. /* for systems that don't detect this in configure */
  668. #ifndef CURL_SA_FAMILY_T
  669. # if defined(HAVE_SA_FAMILY_T)
  670. # define CURL_SA_FAMILY_T sa_family_t
  671. # elif defined(HAVE_ADDRESS_FAMILY)
  672. # define CURL_SA_FAMILY_T ADDRESS_FAMILY
  673. # else
  674. /* use a sensible default */
  675. # define CURL_SA_FAMILY_T unsigned short
  676. # endif
  677. #endif
  678. /* Some convenience macros to get the larger/smaller value out of two given.
  679. We prefix with CURL to prevent name collisions. */
  680. #define CURLMAX(x,y) ((x)>(y)?(x):(y))
  681. #define CURLMIN(x,y) ((x)<(y)?(x):(y))
  682. /* A convenience macro to provide both the string literal and the length of
  683. the string literal in one go, useful for functions that take "string,len"
  684. as their argument */
  685. #define STRCONST(x) x,sizeof(x)-1
  686. /* Some versions of the Android SDK is missing the declaration */
  687. #if defined(HAVE_GETPWUID_R) && defined(HAVE_DECL_GETPWUID_R_MISSING)
  688. struct passwd;
  689. int getpwuid_r(uid_t uid, struct passwd *pwd, char *buf,
  690. size_t buflen, struct passwd **result);
  691. #endif
  692. #ifdef DEBUGBUILD
  693. #define UNITTEST
  694. #else
  695. #define UNITTEST static
  696. #endif
  697. #if defined(USE_NGHTTP2) || defined(USE_HYPER)
  698. #define USE_HTTP2
  699. #endif
  700. #if (defined(USE_NGTCP2) && defined(USE_NGHTTP3)) || \
  701. defined(USE_QUICHE) || defined(USE_MSH3)
  702. #define ENABLE_QUIC
  703. #define USE_HTTP3
  704. #endif
  705. /* Certain Windows implementations are not aligned with what curl expects,
  706. so always use the local one on this platform. E.g. the mingw-w64
  707. implementation can return wrong results for non-ASCII inputs. */
  708. #if defined(HAVE_BASENAME) && defined(WIN32)
  709. #undef HAVE_BASENAME
  710. #endif
  711. #if defined(USE_UNIX_SOCKETS) && defined(WIN32)
  712. # if defined(__MINGW32__) && !defined(LUP_SECURE)
  713. typedef u_short ADDRESS_FAMILY; /* Classic mingw, 11y+ old mingw-w64 */
  714. # endif
  715. # if !defined(UNIX_PATH_MAX)
  716. /* Replicating logic present in afunix.h
  717. (distributed with newer Windows 10 SDK versions only) */
  718. # define UNIX_PATH_MAX 108
  719. /* !checksrc! disable TYPEDEFSTRUCT 1 */
  720. typedef struct sockaddr_un {
  721. ADDRESS_FAMILY sun_family;
  722. char sun_path[UNIX_PATH_MAX];
  723. } SOCKADDR_UN, *PSOCKADDR_UN;
  724. # define WIN32_SOCKADDR_UN
  725. # endif
  726. #endif
  727. /* OpenSSLv3 marks DES, MD5 and ENGINE functions deprecated but we have no
  728. replacements (yet) so tell the compiler to not warn for them. */
  729. #ifdef USE_OPENSSL
  730. #define OPENSSL_SUPPRESS_DEPRECATED
  731. #endif
  732. #endif /* HEADER_CURL_SETUP_H */