curl_setup.h 20 KB

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  1. #ifndef HEADER_CURL_SETUP_H
  2. #define HEADER_CURL_SETUP_H
  3. /***************************************************************************
  4. * _ _ ____ _
  5. * Project ___| | | | _ \| |
  6. * / __| | | | |_) | |
  7. * | (__| |_| | _ <| |___
  8. * \___|\___/|_| \_\_____|
  9. *
  10. * Copyright (C) 1998 - 2018, 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.haxx.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. ***************************************************************************/
  24. #if defined(BUILDING_LIBCURL) && !defined(CURL_NO_OLDIES)
  25. #define CURL_NO_OLDIES
  26. #endif
  27. /*
  28. * Define WIN32 when build target is Win32 API
  29. */
  30. #if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32) && \
  31. !defined(__SYMBIAN32__)
  32. #define WIN32
  33. #endif
  34. #ifdef WIN32
  35. /*
  36. * Don't include unneeded stuff in Windows headers to avoid compiler
  37. * warnings and macro clashes.
  38. * Make sure to define this macro before including any Windows headers.
  39. */
  40. # ifndef WIN32_LEAN_AND_MEAN
  41. # define WIN32_LEAN_AND_MEAN
  42. # endif
  43. #endif
  44. /*
  45. * Include configuration script results or hand-crafted
  46. * configuration file for platforms which lack config tool.
  47. */
  48. #ifdef HAVE_CONFIG_H
  49. #include "curl_config.h"
  50. #else /* HAVE_CONFIG_H */
  51. #ifdef _WIN32_WCE
  52. # include "config-win32ce.h"
  53. #else
  54. # ifdef WIN32
  55. # include "config-win32.h"
  56. # endif
  57. #endif
  58. #if defined(macintosh) && defined(__MRC__)
  59. # include "config-mac.h"
  60. #endif
  61. #ifdef __riscos__
  62. # include "config-riscos.h"
  63. #endif
  64. #ifdef __AMIGA__
  65. # include "config-amigaos.h"
  66. #endif
  67. #ifdef __SYMBIAN32__
  68. # include "config-symbian.h"
  69. #endif
  70. #ifdef __OS400__
  71. # include "config-os400.h"
  72. #endif
  73. #ifdef TPF
  74. # include "config-tpf.h"
  75. #endif
  76. #ifdef __VXWORKS__
  77. # include "config-vxworks.h"
  78. #endif
  79. #endif /* HAVE_CONFIG_H */
  80. #if defined(_MSC_VER)
  81. # pragma warning(push,1)
  82. #endif
  83. /* ================================================================ */
  84. /* Definition of preprocessor macros/symbols which modify compiler */
  85. /* behavior or generated code characteristics must be done here, */
  86. /* as appropriate, before any system header file is included. It is */
  87. /* also possible to have them defined in the config file included */
  88. /* before this point. As a result of all this we frown inclusion of */
  89. /* system header files in our config files, avoid this at any cost. */
  90. /* ================================================================ */
  91. /*
  92. * AIX 4.3 and newer needs _THREAD_SAFE defined to build
  93. * proper reentrant code. Others may also need it.
  94. */
  95. #ifdef NEED_THREAD_SAFE
  96. # ifndef _THREAD_SAFE
  97. # define _THREAD_SAFE
  98. # endif
  99. #endif
  100. /*
  101. * Tru64 needs _REENTRANT set for a few function prototypes and
  102. * things to appear in the system header files. Unixware needs it
  103. * to build proper reentrant code. Others may also need it.
  104. */
  105. #ifdef NEED_REENTRANT
  106. # ifndef _REENTRANT
  107. # define _REENTRANT
  108. # endif
  109. #endif
  110. /* Solaris needs this to get a POSIX-conformant getpwuid_r */
  111. #if defined(sun) || defined(__sun)
  112. # ifndef _POSIX_PTHREAD_SEMANTICS
  113. # define _POSIX_PTHREAD_SEMANTICS 1
  114. # endif
  115. #endif
  116. /* ================================================================ */
  117. /* If you need to include a system header file for your platform, */
  118. /* please, do it beyond the point further indicated in this file. */
  119. /* ================================================================ */
  120. #include <curl/curl.h>
  121. #define CURL_SIZEOF_CURL_OFF_T SIZEOF_CURL_OFF_T
  122. /*
  123. * Disable other protocols when http is the only one desired.
  124. */
  125. #ifdef HTTP_ONLY
  126. # ifndef CURL_DISABLE_TFTP
  127. # define CURL_DISABLE_TFTP
  128. # endif
  129. # ifndef CURL_DISABLE_FTP
  130. # define CURL_DISABLE_FTP
  131. # endif
  132. # ifndef CURL_DISABLE_LDAP
  133. # define CURL_DISABLE_LDAP
  134. # endif
  135. # ifndef CURL_DISABLE_TELNET
  136. # define CURL_DISABLE_TELNET
  137. # endif
  138. # ifndef CURL_DISABLE_DICT
  139. # define CURL_DISABLE_DICT
  140. # endif
  141. # ifndef CURL_DISABLE_FILE
  142. # define CURL_DISABLE_FILE
  143. # endif
  144. # ifndef CURL_DISABLE_RTSP
  145. # define CURL_DISABLE_RTSP
  146. # endif
  147. # ifndef CURL_DISABLE_POP3
  148. # define CURL_DISABLE_POP3
  149. # endif
  150. # ifndef CURL_DISABLE_IMAP
  151. # define CURL_DISABLE_IMAP
  152. # endif
  153. # ifndef CURL_DISABLE_SMTP
  154. # define CURL_DISABLE_SMTP
  155. # endif
  156. # ifndef CURL_DISABLE_GOPHER
  157. # define CURL_DISABLE_GOPHER
  158. # endif
  159. # ifndef CURL_DISABLE_SMB
  160. # define CURL_DISABLE_SMB
  161. # endif
  162. #endif
  163. /*
  164. * When http is disabled rtsp is not supported.
  165. */
  166. #if defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_RTSP)
  167. # define CURL_DISABLE_RTSP
  168. #endif
  169. /* ================================================================ */
  170. /* No system header file shall be included in this file before this */
  171. /* point. The only allowed ones are those included from curl/system.h */
  172. /* ================================================================ */
  173. /*
  174. * OS/400 setup file includes some system headers.
  175. */
  176. #ifdef __OS400__
  177. # include "setup-os400.h"
  178. #endif
  179. /*
  180. * VMS setup file includes some system headers.
  181. */
  182. #ifdef __VMS
  183. # include "setup-vms.h"
  184. #endif
  185. /*
  186. * Use getaddrinfo to resolve the IPv4 address literal. If the current network
  187. * interface doesn’t support IPv4, but supports IPv6, NAT64, and DNS64,
  188. * performing this task will result in a synthesized IPv6 address.
  189. */
  190. #ifdef __APPLE__
  191. #define USE_RESOLVE_ON_IPS 1
  192. #endif
  193. /*
  194. * Include header files for windows builds before redefining anything.
  195. * Use this preprocessor block only to include or exclude windows.h,
  196. * winsock2.h, ws2tcpip.h or winsock.h. Any other windows thing belongs
  197. * to any other further and independent block. Under Cygwin things work
  198. * just as under linux (e.g. <sys/socket.h>) and the winsock headers should
  199. * never be included when __CYGWIN__ is defined. configure script takes
  200. * care of this, not defining HAVE_WINDOWS_H, HAVE_WINSOCK_H, HAVE_WINSOCK2_H,
  201. * neither HAVE_WS2TCPIP_H when __CYGWIN__ is defined.
  202. */
  203. #ifdef HAVE_WINDOWS_H
  204. # if defined(UNICODE) && !defined(_UNICODE)
  205. # define _UNICODE
  206. # endif
  207. # if defined(_UNICODE) && !defined(UNICODE)
  208. # define UNICODE
  209. # endif
  210. # include <windows.h>
  211. # ifdef HAVE_WINSOCK2_H
  212. # include <winsock2.h>
  213. # ifdef HAVE_WS2TCPIP_H
  214. # include <ws2tcpip.h>
  215. # endif
  216. # else
  217. # ifdef HAVE_WINSOCK_H
  218. # include <winsock.h>
  219. # endif
  220. # endif
  221. # include <tchar.h>
  222. # ifdef UNICODE
  223. typedef wchar_t *(*curl_wcsdup_callback)(const wchar_t *str);
  224. # endif
  225. #endif
  226. /*
  227. * Define USE_WINSOCK to 2 if we have and use WINSOCK2 API, else
  228. * define USE_WINSOCK to 1 if we have and use WINSOCK API, else
  229. * undefine USE_WINSOCK.
  230. */
  231. #undef USE_WINSOCK
  232. #ifdef HAVE_WINSOCK2_H
  233. # define USE_WINSOCK 2
  234. #else
  235. # ifdef HAVE_WINSOCK_H
  236. # define USE_WINSOCK 1
  237. # endif
  238. #endif
  239. #ifdef USE_LWIPSOCK
  240. # include <lwip/init.h>
  241. # include <lwip/sockets.h>
  242. # include <lwip/netdb.h>
  243. #endif
  244. #ifdef HAVE_EXTRA_STRICMP_H
  245. # include <extra/stricmp.h>
  246. #endif
  247. #ifdef HAVE_EXTRA_STRDUP_H
  248. # include <extra/strdup.h>
  249. #endif
  250. #ifdef TPF
  251. # include <strings.h> /* for bzero, strcasecmp, and strncasecmp */
  252. # include <string.h> /* for strcpy and strlen */
  253. # include <stdlib.h> /* for rand and srand */
  254. # include <sys/socket.h> /* for select and ioctl*/
  255. # include <netdb.h> /* for in_addr_t definition */
  256. # include <tpf/sysapi.h> /* for tpf_process_signals */
  257. /* change which select is used for libcurl */
  258. # define select(a,b,c,d,e) tpf_select_libcurl(a,b,c,d,e)
  259. #endif
  260. #ifdef __VXWORKS__
  261. # include <sockLib.h> /* for generic BSD socket functions */
  262. # include <ioLib.h> /* for basic I/O interface functions */
  263. #endif
  264. #ifdef __AMIGA__
  265. # ifndef __ixemul__
  266. # include <exec/types.h>
  267. # include <exec/execbase.h>
  268. # include <proto/exec.h>
  269. # include <proto/dos.h>
  270. # define select(a,b,c,d,e) WaitSelect(a,b,c,d,e,0)
  271. # endif
  272. #endif
  273. #include <stdio.h>
  274. #ifdef HAVE_ASSERT_H
  275. #include <assert.h>
  276. #endif
  277. #ifdef __TANDEM /* for nsr-tandem-nsk systems */
  278. #include <floss.h>
  279. #endif
  280. #ifndef STDC_HEADERS /* no standard C headers! */
  281. #include <curl/stdcheaders.h>
  282. #endif
  283. #ifdef __POCC__
  284. # include <sys/types.h>
  285. # include <unistd.h>
  286. # define sys_nerr EILSEQ
  287. #endif
  288. /*
  289. * Salford-C kludge section (mostly borrowed from wxWidgets).
  290. */
  291. #ifdef __SALFORDC__
  292. #pragma suppress 353 /* Possible nested comments */
  293. #pragma suppress 593 /* Define not used */
  294. #pragma suppress 61 /* enum has no name */
  295. #pragma suppress 106 /* unnamed, unused parameter */
  296. #include <clib.h>
  297. #endif
  298. /* Default Windows file API selection. */
  299. #ifdef _WIN32
  300. # if defined(_MSC_VER) && (_INTEGRAL_MAX_BITS >= 64)
  301. # define USE_WIN32_LARGE_FILES
  302. # elif defined(__MINGW32__)
  303. # define USE_WIN32_LARGE_FILES
  304. # else
  305. # define USE_WIN32_SMALL_FILES
  306. # endif
  307. #endif
  308. /*
  309. * Large file (>2Gb) support using WIN32 functions.
  310. */
  311. #ifdef USE_WIN32_LARGE_FILES
  312. # include <io.h>
  313. # include <sys/types.h>
  314. # include <sys/stat.h>
  315. # undef lseek
  316. # define lseek(fdes,offset,whence) _lseeki64(fdes, offset, whence)
  317. # undef fstat
  318. # define fstat(fdes,stp) _fstati64(fdes, stp)
  319. # undef stat
  320. # define stat(fname,stp) _stati64(fname, stp)
  321. # define struct_stat struct _stati64
  322. # define LSEEK_ERROR (__int64)-1
  323. #endif
  324. /*
  325. * Small file (<2Gb) support using WIN32 functions.
  326. */
  327. #ifdef USE_WIN32_SMALL_FILES
  328. # include <io.h>
  329. # include <sys/types.h>
  330. # include <sys/stat.h>
  331. # ifndef _WIN32_WCE
  332. # undef lseek
  333. # define lseek(fdes,offset,whence) _lseek(fdes, (long)offset, whence)
  334. # define fstat(fdes,stp) _fstat(fdes, stp)
  335. # define stat(fname,stp) _stat(fname, stp)
  336. # define struct_stat struct _stat
  337. # endif
  338. # define LSEEK_ERROR (long)-1
  339. #endif
  340. #ifndef struct_stat
  341. # define struct_stat struct stat
  342. #endif
  343. #ifndef LSEEK_ERROR
  344. # define LSEEK_ERROR (off_t)-1
  345. #endif
  346. /*
  347. * Default sizeof(off_t) in case it hasn't been defined in config file.
  348. */
  349. #ifndef SIZEOF_OFF_T
  350. # if defined(__VMS) && !defined(__VAX)
  351. # if defined(_LARGEFILE)
  352. # define SIZEOF_OFF_T 8
  353. # endif
  354. # elif defined(__OS400__) && defined(__ILEC400__)
  355. # if defined(_LARGE_FILES)
  356. # define SIZEOF_OFF_T 8
  357. # endif
  358. # elif defined(__MVS__) && defined(__IBMC__)
  359. # if defined(_LP64) || defined(_LARGE_FILES)
  360. # define SIZEOF_OFF_T 8
  361. # endif
  362. # elif defined(__370__) && defined(__IBMC__)
  363. # if defined(_LP64) || defined(_LARGE_FILES)
  364. # define SIZEOF_OFF_T 8
  365. # endif
  366. # endif
  367. # ifndef SIZEOF_OFF_T
  368. # define SIZEOF_OFF_T 4
  369. # endif
  370. #endif
  371. #if (SIZEOF_CURL_OFF_T == 4)
  372. # define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFF)
  373. #else
  374. /* assume CURL_SIZEOF_CURL_OFF_T == 8 */
  375. # define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF)
  376. #endif
  377. #define CURL_OFF_T_MIN (-CURL_OFF_T_MAX - CURL_OFF_T_C(1))
  378. /*
  379. * Arg 2 type for gethostname in case it hasn't been defined in config file.
  380. */
  381. #ifndef GETHOSTNAME_TYPE_ARG2
  382. # ifdef USE_WINSOCK
  383. # define GETHOSTNAME_TYPE_ARG2 int
  384. # else
  385. # define GETHOSTNAME_TYPE_ARG2 size_t
  386. # endif
  387. #endif
  388. /* Below we define some functions. They should
  389. 4. set the SIGALRM signal timeout
  390. 5. set dir/file naming defines
  391. */
  392. #ifdef WIN32
  393. # define DIR_CHAR "\\"
  394. # define DOT_CHAR "_"
  395. #else /* WIN32 */
  396. # ifdef MSDOS /* Watt-32 */
  397. # include <sys/ioctl.h>
  398. # define select(n,r,w,x,t) select_s(n,r,w,x,t)
  399. # define ioctl(x,y,z) ioctlsocket(x,y,(char *)(z))
  400. # include <tcp.h>
  401. # ifdef word
  402. # undef word
  403. # endif
  404. # ifdef byte
  405. # undef byte
  406. # endif
  407. # endif /* MSDOS */
  408. # ifdef __minix
  409. /* Minix 3 versions up to at least 3.1.3 are missing these prototypes */
  410. extern char *strtok_r(char *s, const char *delim, char **last);
  411. extern struct tm *gmtime_r(const time_t * const timep, struct tm *tmp);
  412. # endif
  413. # define DIR_CHAR "/"
  414. # ifndef DOT_CHAR
  415. # define DOT_CHAR "."
  416. # endif
  417. # ifdef MSDOS
  418. # undef DOT_CHAR
  419. # define DOT_CHAR "_"
  420. # endif
  421. # ifndef fileno /* sunos 4 have this as a macro! */
  422. int fileno(FILE *stream);
  423. # endif
  424. #endif /* WIN32 */
  425. /*
  426. * msvc 6.0 requires PSDK in order to have INET6_ADDRSTRLEN
  427. * defined in ws2tcpip.h as well as to provide IPv6 support.
  428. * Does not apply if lwIP is used.
  429. */
  430. #if defined(_MSC_VER) && !defined(__POCC__) && !defined(USE_LWIPSOCK)
  431. # if !defined(HAVE_WS2TCPIP_H) || \
  432. ((_MSC_VER < 1300) && !defined(INET6_ADDRSTRLEN))
  433. # undef HAVE_GETADDRINFO_THREADSAFE
  434. # undef HAVE_FREEADDRINFO
  435. # undef HAVE_GETADDRINFO
  436. # undef HAVE_GETNAMEINFO
  437. # undef ENABLE_IPV6
  438. # endif
  439. #endif
  440. /* ---------------------------------------------------------------- */
  441. /* resolver specialty compile-time defines */
  442. /* CURLRES_* defines to use in the host*.c sources */
  443. /* ---------------------------------------------------------------- */
  444. /*
  445. * lcc-win32 doesn't have _beginthreadex(), lacks threads support.
  446. */
  447. #if defined(__LCC__) && defined(WIN32)
  448. # undef USE_THREADS_POSIX
  449. # undef USE_THREADS_WIN32
  450. #endif
  451. /*
  452. * MSVC threads support requires a multi-threaded runtime library.
  453. * _beginthreadex() is not available in single-threaded ones.
  454. */
  455. #if defined(_MSC_VER) && !defined(__POCC__) && !defined(_MT)
  456. # undef USE_THREADS_POSIX
  457. # undef USE_THREADS_WIN32
  458. #endif
  459. /*
  460. * Mutually exclusive CURLRES_* definitions.
  461. */
  462. #ifdef USE_ARES
  463. # define CURLRES_ASYNCH
  464. # define CURLRES_ARES
  465. /* now undef the stock libc functions just to avoid them being used */
  466. # undef HAVE_GETADDRINFO
  467. # undef HAVE_FREEADDRINFO
  468. # undef HAVE_GETHOSTBYNAME
  469. #elif defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32)
  470. # define CURLRES_ASYNCH
  471. # define CURLRES_THREADED
  472. #else
  473. # define CURLRES_SYNCH
  474. #endif
  475. #ifdef ENABLE_IPV6
  476. # define CURLRES_IPV6
  477. #else
  478. # define CURLRES_IPV4
  479. #endif
  480. /* ---------------------------------------------------------------- */
  481. /*
  482. * When using WINSOCK, TELNET protocol requires WINSOCK2 API.
  483. */
  484. #if defined(USE_WINSOCK) && (USE_WINSOCK != 2)
  485. # define CURL_DISABLE_TELNET 1
  486. #endif
  487. /*
  488. * msvc 6.0 does not have struct sockaddr_storage and
  489. * does not define IPPROTO_ESP in winsock2.h. But both
  490. * are available if PSDK is properly installed.
  491. */
  492. #if defined(_MSC_VER) && !defined(__POCC__)
  493. # if !defined(HAVE_WINSOCK2_H) || ((_MSC_VER < 1300) && !defined(IPPROTO_ESP))
  494. # undef HAVE_STRUCT_SOCKADDR_STORAGE
  495. # endif
  496. #endif
  497. /*
  498. * Intentionally fail to build when using msvc 6.0 without PSDK installed.
  499. * The brave of heart can circumvent this, defining ALLOW_MSVC6_WITHOUT_PSDK
  500. * in lib/config-win32.h although absolutely discouraged and unsupported.
  501. */
  502. #if defined(_MSC_VER) && !defined(__POCC__)
  503. # if !defined(HAVE_WINDOWS_H) || ((_MSC_VER < 1300) && !defined(_FILETIME_))
  504. # if !defined(ALLOW_MSVC6_WITHOUT_PSDK)
  505. # error MSVC 6.0 requires "February 2003 Platform SDK" a.k.a. \
  506. "Windows Server 2003 PSDK"
  507. # else
  508. # define CURL_DISABLE_LDAP 1
  509. # endif
  510. # endif
  511. #endif
  512. #ifdef NETWARE
  513. int netware_init(void);
  514. #ifndef __NOVELL_LIBC__
  515. #include <sys/bsdskt.h>
  516. #include <sys/timeval.h>
  517. #endif
  518. #endif
  519. #if defined(HAVE_LIBIDN2) && defined(HAVE_IDN2_H) && !defined(USE_WIN32_IDN)
  520. /* The lib and header are present */
  521. #define USE_LIBIDN2
  522. #endif
  523. #if defined(USE_LIBIDN2) && defined(USE_WIN32_IDN)
  524. #error "Both libidn2 and WinIDN are enabled, choose one."
  525. #endif
  526. #ifndef SIZEOF_TIME_T
  527. /* assume default size of time_t to be 32 bit */
  528. #define SIZEOF_TIME_T 4
  529. #endif
  530. #define LIBIDN_REQUIRED_VERSION "0.4.1"
  531. #if defined(USE_GNUTLS) || defined(USE_OPENSSL) || defined(USE_NSS) || \
  532. defined(USE_POLARSSL) || defined(USE_AXTLS) || defined(USE_MBEDTLS) || \
  533. defined(USE_CYASSL) || defined(USE_SCHANNEL) || \
  534. defined(USE_DARWINSSL) || defined(USE_GSKIT)
  535. #define USE_SSL /* SSL support has been enabled */
  536. #endif
  537. /* Single point where USE_SPNEGO definition might be defined */
  538. #if !defined(CURL_DISABLE_CRYPTO_AUTH) && \
  539. (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI))
  540. #define USE_SPNEGO
  541. #endif
  542. /* Single point where USE_KERBEROS5 definition might be defined */
  543. #if !defined(CURL_DISABLE_CRYPTO_AUTH) && \
  544. (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI))
  545. #define USE_KERBEROS5
  546. #endif
  547. /* Single point where USE_NTLM definition might be defined */
  548. #if !defined(CURL_DISABLE_NTLM) && !defined(CURL_DISABLE_CRYPTO_AUTH)
  549. #if defined(USE_OPENSSL) || defined(USE_WINDOWS_SSPI) || \
  550. defined(USE_GNUTLS) || defined(USE_NSS) || defined(USE_DARWINSSL) || \
  551. defined(USE_OS400CRYPTO) || defined(USE_WIN32_CRYPTO) || \
  552. defined(USE_MBEDTLS)
  553. #define USE_NTLM
  554. # if defined(USE_MBEDTLS)
  555. /* Get definition of MBEDTLS_MD4_C */
  556. # include <mbedtls/md4.h>
  557. # endif
  558. #endif
  559. #endif
  560. #ifdef CURL_WANTS_CA_BUNDLE_ENV
  561. #error "No longer supported. Set CURLOPT_CAINFO at runtime instead."
  562. #endif
  563. /*
  564. * Provide a mechanism to silence picky compilers, such as gcc 4.6+.
  565. * Parameters should of course normally not be unused, but for example when
  566. * we have multiple implementations of the same interface it may happen.
  567. */
  568. #if defined(__GNUC__) && ((__GNUC__ >= 3) || \
  569. ((__GNUC__ == 2) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ >= 7)))
  570. # define UNUSED_PARAM __attribute__((__unused__))
  571. # define WARN_UNUSED_RESULT __attribute__((warn_unused_result))
  572. #else
  573. # define UNUSED_PARAM /*NOTHING*/
  574. # define WARN_UNUSED_RESULT
  575. #endif
  576. /*
  577. * Include macros and defines that should only be processed once.
  578. */
  579. #ifndef HEADER_CURL_SETUP_ONCE_H
  580. #include "curl_setup_once.h"
  581. #endif
  582. /*
  583. * Definition of our NOP statement Object-like macro
  584. */
  585. #ifndef Curl_nop_stmt
  586. # define Curl_nop_stmt do { } WHILE_FALSE
  587. #endif
  588. /*
  589. * Ensure that Winsock and lwIP TCP/IP stacks are not mixed.
  590. */
  591. #if defined(__LWIP_OPT_H__) || defined(LWIP_HDR_OPT_H)
  592. # if defined(SOCKET) || \
  593. defined(USE_WINSOCK) || \
  594. defined(HAVE_WINSOCK_H) || \
  595. defined(HAVE_WINSOCK2_H) || \
  596. defined(HAVE_WS2TCPIP_H)
  597. # error "Winsock and lwIP TCP/IP stack definitions shall not coexist!"
  598. # endif
  599. #endif
  600. /*
  601. * Portable symbolic names for Winsock shutdown() mode flags.
  602. */
  603. #ifdef USE_WINSOCK
  604. # define SHUT_RD 0x00
  605. # define SHUT_WR 0x01
  606. # define SHUT_RDWR 0x02
  607. #endif
  608. /* Define S_ISREG if not defined by system headers, f.e. MSVC */
  609. #if !defined(S_ISREG) && defined(S_IFMT) && defined(S_IFREG)
  610. #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
  611. #endif
  612. /* Define S_ISDIR if not defined by system headers, f.e. MSVC */
  613. #if !defined(S_ISDIR) && defined(S_IFMT) && defined(S_IFDIR)
  614. #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
  615. #endif
  616. /* In Windows the default file mode is text but an application can override it.
  617. Therefore we specify it explicitly. https://github.com/curl/curl/pull/258
  618. */
  619. #if defined(WIN32) || defined(MSDOS)
  620. #define FOPEN_READTEXT "rt"
  621. #define FOPEN_WRITETEXT "wt"
  622. #define FOPEN_APPENDTEXT "at"
  623. #elif defined(__CYGWIN__)
  624. /* Cygwin has specific behavior we need to address when WIN32 is not defined.
  625. https://cygwin.com/cygwin-ug-net/using-textbinary.html
  626. For write we want our output to have line endings of LF and be compatible with
  627. other Cygwin utilities. For read we want to handle input that may have line
  628. endings either CRLF or LF so 't' is appropriate.
  629. */
  630. #define FOPEN_READTEXT "rt"
  631. #define FOPEN_WRITETEXT "w"
  632. #define FOPEN_APPENDTEXT "a"
  633. #else
  634. #define FOPEN_READTEXT "r"
  635. #define FOPEN_WRITETEXT "w"
  636. #define FOPEN_APPENDTEXT "a"
  637. #endif
  638. /* WinSock destroys recv() buffer when send() failed.
  639. * Enabled automatically for Windows and for Cygwin as Cygwin sockets are
  640. * wrappers for WinSock sockets. https://github.com/curl/curl/issues/657
  641. * Define DONT_USE_RECV_BEFORE_SEND_WORKAROUND to force disable workaround.
  642. */
  643. #if !defined(DONT_USE_RECV_BEFORE_SEND_WORKAROUND)
  644. # if defined(WIN32) || defined(__CYGWIN__)
  645. # define USE_RECV_BEFORE_SEND_WORKAROUND
  646. # endif
  647. #else /* DONT_USE_RECV_BEFORE_SEND_WORKAROUNDS */
  648. # ifdef USE_RECV_BEFORE_SEND_WORKAROUND
  649. # undef USE_RECV_BEFORE_SEND_WORKAROUND
  650. # endif
  651. #endif /* DONT_USE_RECV_BEFORE_SEND_WORKAROUNDS */
  652. /* Detect Windows App environment which has a restricted access
  653. * to the Win32 APIs. */
  654. # if (defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0602)) || \
  655. defined(WINAPI_FAMILY)
  656. # include <winapifamily.h>
  657. # if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) && \
  658. !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
  659. # define CURL_WINDOWS_APP
  660. # endif
  661. # endif
  662. #endif /* HEADER_CURL_SETUP_H */