1#ifndef HEADER_CURL_SETUP_H
2#define HEADER_CURL_SETUP_H
3/***************************************************************************
4 * _ _ ____ _
5 * Project ___| | | | _ \| |
6 * / __| | | | |_) | |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) 1998 - 2019, 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
25#if defined(BUILDING_LIBCURL) && !defined(CURL_NO_OLDIES)
26#define CURL_NO_OLDIES
27#endif
28
29/*
30 * Disable Visual Studio warnings:
31 * 4127 "conditional expression is constant"
32 */
33#ifdef _MSC_VER
34#pragma warning(disable:4127)
35#endif
36
37/*
38 * Define WIN32 when build target is Win32 API
39 */
40
41#if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32) && \
42 !defined(__SYMBIAN32__)
43#define WIN32
44#endif
45
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#endif
59
60/*
61 * Include configuration script results or hand-crafted
62 * configuration file for platforms which lack config tool.
63 */
64
65#ifdef HAVE_CONFIG_H
66
67#include "curl_config.h"
68
69#else /* HAVE_CONFIG_H */
70
71#ifdef _WIN32_WCE
72# include "config-win32ce.h"
73#else
74# ifdef WIN32
75# include "config-win32.h"
76# endif
77#endif
78
79#if defined(macintosh) && defined(__MRC__)
80# include "config-mac.h"
81#endif
82
83#ifdef __riscos__
84# include "config-riscos.h"
85#endif
86
87#ifdef __AMIGA__
88# include "config-amigaos.h"
89#endif
90
91#ifdef __SYMBIAN32__
92# include "config-symbian.h"
93#endif
94
95#ifdef __OS400__
96# include "config-os400.h"
97#endif
98
99#ifdef TPF
100# include "config-tpf.h"
101#endif
102
103#ifdef __VXWORKS__
104# include "config-vxworks.h"
105#endif
106
107#ifdef __PLAN9__
108# include "config-plan9.h"
109#endif
110
111#endif /* HAVE_CONFIG_H */
112
113/* ================================================================ */
114/* Definition of preprocessor macros/symbols which modify compiler */
115/* behavior or generated code characteristics must be done here, */
116/* as appropriate, before any system header file is included. It is */
117/* also possible to have them defined in the config file included */
118/* before this point. As a result of all this we frown inclusion of */
119/* system header files in our config files, avoid this at any cost. */
120/* ================================================================ */
121
122/*
123 * AIX 4.3 and newer needs _THREAD_SAFE defined to build
124 * proper reentrant code. Others may also need it.
125 */
126
127#ifdef NEED_THREAD_SAFE
128# ifndef _THREAD_SAFE
129# define _THREAD_SAFE
130# endif
131#endif
132
133/*
134 * Tru64 needs _REENTRANT set for a few function prototypes and
135 * things to appear in the system header files. Unixware needs it
136 * to build proper reentrant code. Others may also need it.
137 */
138
139#ifdef NEED_REENTRANT
140# ifndef _REENTRANT
141# define _REENTRANT
142# endif
143#endif
144
145/* Solaris needs this to get a POSIX-conformant getpwuid_r */
146#if defined(sun) || defined(__sun)
147# ifndef _POSIX_PTHREAD_SEMANTICS
148# define _POSIX_PTHREAD_SEMANTICS 1
149# endif
150#endif
151
152/* ================================================================ */
153/* If you need to include a system header file for your platform, */
154/* please, do it beyond the point further indicated in this file. */
155/* ================================================================ */
156
157#include <curl/curl.h>
158
159#define CURL_SIZEOF_CURL_OFF_T SIZEOF_CURL_OFF_T
160
161/*
162 * Disable other protocols when http is the only one desired.
163 */
164
165#ifdef HTTP_ONLY
166# ifndef CURL_DISABLE_TFTP
167# define CURL_DISABLE_TFTP
168# endif
169# ifndef CURL_DISABLE_FTP
170# define CURL_DISABLE_FTP
171# endif
172# ifndef CURL_DISABLE_LDAP
173# define CURL_DISABLE_LDAP
174# endif
175# ifndef CURL_DISABLE_TELNET
176# define CURL_DISABLE_TELNET
177# endif
178# ifndef CURL_DISABLE_DICT
179# define CURL_DISABLE_DICT
180# endif
181# ifndef CURL_DISABLE_FILE
182# define CURL_DISABLE_FILE
183# endif
184# ifndef CURL_DISABLE_RTSP
185# define CURL_DISABLE_RTSP
186# endif
187# ifndef CURL_DISABLE_POP3
188# define CURL_DISABLE_POP3
189# endif
190# ifndef CURL_DISABLE_IMAP
191# define CURL_DISABLE_IMAP
192# endif
193# ifndef CURL_DISABLE_SMTP
194# define CURL_DISABLE_SMTP
195# endif
196# ifndef CURL_DISABLE_GOPHER
197# define CURL_DISABLE_GOPHER
198# endif
199# ifndef CURL_DISABLE_SMB
200# define CURL_DISABLE_SMB
201# endif
202#endif
203
204/*
205 * When http is disabled rtsp is not supported.
206 */
207
208#if defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_RTSP)
209# define CURL_DISABLE_RTSP
210#endif
211
212/* ================================================================ */
213/* No system header file shall be included in this file before this */
214/* point. The only allowed ones are those included from curl/system.h */
215/* ================================================================ */
216
217/*
218 * OS/400 setup file includes some system headers.
219 */
220
221#ifdef __OS400__
222# include "setup-os400.h"
223#endif
224
225/*
226 * VMS setup file includes some system headers.
227 */
228
229#ifdef __VMS
230# include "setup-vms.h"
231#endif
232
233/*
234 * Use getaddrinfo to resolve the IPv4 address literal. If the current network
235 * interface doesn't support IPv4, but supports IPv6, NAT64, and DNS64,
236 * performing this task will result in a synthesized IPv6 address.
237 */
238#ifdef __APPLE__
239#define USE_RESOLVE_ON_IPS 1
240#endif
241
242/*
243 * Include header files for windows builds before redefining anything.
244 * Use this preprocessor block only to include or exclude windows.h,
245 * winsock2.h, ws2tcpip.h or winsock.h. Any other windows thing belongs
246 * to any other further and independent block. Under Cygwin things work
247 * just as under linux (e.g. <sys/socket.h>) and the winsock headers should
248 * never be included when __CYGWIN__ is defined. configure script takes
249 * care of this, not defining HAVE_WINDOWS_H, HAVE_WINSOCK_H, HAVE_WINSOCK2_H,
250 * neither HAVE_WS2TCPIP_H when __CYGWIN__ is defined.
251 */
252
253#ifdef HAVE_WINDOWS_H
254# if defined(UNICODE) && !defined(_UNICODE)
255# define _UNICODE
256# endif
257# if defined(_UNICODE) && !defined(UNICODE)
258# define UNICODE
259# endif
260# include <winerror.h>
261# include <windows.h>
262# ifdef HAVE_WINSOCK2_H
263# include <winsock2.h>
264# ifdef HAVE_WS2TCPIP_H
265# include <ws2tcpip.h>
266# endif
267# else
268# ifdef HAVE_WINSOCK_H
269# include <winsock.h>
270# endif
271# endif
272# include <tchar.h>
273# ifdef UNICODE
274 typedef wchar_t *(*curl_wcsdup_callback)(const wchar_t *str);
275# endif
276#endif
277
278/*
279 * Define USE_WINSOCK to 2 if we have and use WINSOCK2 API, else
280 * define USE_WINSOCK to 1 if we have and use WINSOCK API, else
281 * undefine USE_WINSOCK.
282 */
283
284#undef USE_WINSOCK
285
286#ifdef HAVE_WINSOCK2_H
287# define USE_WINSOCK 2
288#else
289# ifdef HAVE_WINSOCK_H
290# define USE_WINSOCK 1
291# endif
292#endif
293
294#ifdef USE_LWIPSOCK
295# include <lwip/init.h>
296# include <lwip/sockets.h>
297# include <lwip/netdb.h>
298#endif
299
300#ifdef HAVE_EXTRA_STRICMP_H
301# include <extra/stricmp.h>
302#endif
303
304#ifdef HAVE_EXTRA_STRDUP_H
305# include <extra/strdup.h>
306#endif
307
308#ifdef TPF
309# include <strings.h> /* for bzero, strcasecmp, and strncasecmp */
310# include <string.h> /* for strcpy and strlen */
311# include <stdlib.h> /* for rand and srand */
312# include <sys/socket.h> /* for select and ioctl*/
313# include <netdb.h> /* for in_addr_t definition */
314# include <tpf/sysapi.h> /* for tpf_process_signals */
315 /* change which select is used for libcurl */
316# define select(a,b,c,d,e) tpf_select_libcurl(a,b,c,d,e)
317#endif
318
319#ifdef __VXWORKS__
320# include <sockLib.h> /* for generic BSD socket functions */
321# include <ioLib.h> /* for basic I/O interface functions */
322#endif
323
324#ifdef __AMIGA__
325# include <exec/types.h>
326# include <exec/execbase.h>
327# include <proto/exec.h>
328# include <proto/dos.h>
329# ifdef HAVE_PROTO_BSDSOCKET_H
330# include <proto/bsdsocket.h> /* ensure bsdsocket.library use */
331# define select(a,b,c,d,e) WaitSelect(a,b,c,d,e,0)
332# endif
333#endif
334
335#include <stdio.h>
336#ifdef HAVE_ASSERT_H
337#include <assert.h>
338#endif
339
340#ifdef __TANDEM /* for nsr-tandem-nsk systems */
341#include <floss.h>
342#endif
343
344#ifndef STDC_HEADERS /* no standard C headers! */
345#include <curl/stdcheaders.h>
346#endif
347
348#ifdef __POCC__
349# include <sys/types.h>
350# include <unistd.h>
351# define sys_nerr EILSEQ
352#endif
353
354/*
355 * Salford-C kludge section (mostly borrowed from wxWidgets).
356 */
357#ifdef __SALFORDC__
358 #pragma suppress 353 /* Possible nested comments */
359 #pragma suppress 593 /* Define not used */
360 #pragma suppress 61 /* enum has no name */
361 #pragma suppress 106 /* unnamed, unused parameter */
362 #include <clib.h>
363#endif
364
365/*
366 * Large file (>2Gb) support using WIN32 functions.
367 */
368
369#ifdef USE_WIN32_LARGE_FILES
370# include <io.h>
371# include <sys/types.h>
372# include <sys/stat.h>
373# undef lseek
374# define lseek(fdes,offset,whence) _lseeki64(fdes, offset, whence)
375# undef fstat
376# define fstat(fdes,stp) _fstati64(fdes, stp)
377# undef stat
378# define stat(fname,stp) _stati64(fname, stp)
379# define struct_stat struct _stati64
380# define LSEEK_ERROR (__int64)-1
381#endif
382
383/*
384 * Small file (<2Gb) support using WIN32 functions.
385 */
386
387#ifdef USE_WIN32_SMALL_FILES
388# include <io.h>
389# include <sys/types.h>
390# include <sys/stat.h>
391# ifndef _WIN32_WCE
392# undef lseek
393# define lseek(fdes,offset,whence) _lseek(fdes, (long)offset, whence)
394# define fstat(fdes,stp) _fstat(fdes, stp)
395# define stat(fname,stp) _stat(fname, stp)
396# define struct_stat struct _stat
397# endif
398# define LSEEK_ERROR (long)-1
399#endif
400
401#ifndef struct_stat
402# define struct_stat struct stat
403#endif
404
405#ifndef LSEEK_ERROR
406# define LSEEK_ERROR (off_t)-1
407#endif
408
409#ifndef SIZEOF_TIME_T
410/* assume default size of time_t to be 32 bit */
411#define SIZEOF_TIME_T 4
412#endif
413
414/*
415 * Default sizeof(off_t) in case it hasn't been defined in config file.
416 */
417
418#ifndef SIZEOF_OFF_T
419# if defined(__VMS) && !defined(__VAX)
420# if defined(_LARGEFILE)
421# define SIZEOF_OFF_T 8
422# endif
423# elif defined(__OS400__) && defined(__ILEC400__)
424# if defined(_LARGE_FILES)
425# define SIZEOF_OFF_T 8
426# endif
427# elif defined(__MVS__) && defined(__IBMC__)
428# if defined(_LP64) || defined(_LARGE_FILES)
429# define SIZEOF_OFF_T 8
430# endif
431# elif defined(__370__) && defined(__IBMC__)
432# if defined(_LP64) || defined(_LARGE_FILES)
433# define SIZEOF_OFF_T 8
434# endif
435# endif
436# ifndef SIZEOF_OFF_T
437# define SIZEOF_OFF_T 4
438# endif
439#endif
440
441#if (SIZEOF_CURL_OFF_T == 4)
442# define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFF)
443#else
444 /* assume CURL_SIZEOF_CURL_OFF_T == 8 */
445# define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF)
446#endif
447#define CURL_OFF_T_MIN (-CURL_OFF_T_MAX - CURL_OFF_T_C(1))
448
449#if (SIZEOF_TIME_T == 4)
450# ifdef HAVE_TIME_T_UNSIGNED
451# define TIME_T_MAX UINT_MAX
452# define TIME_T_MIN 0
453# else
454# define TIME_T_MAX INT_MAX
455# define TIME_T_MIN INT_MIN
456# endif
457#else
458# ifdef HAVE_TIME_T_UNSIGNED
459# define TIME_T_MAX 0xFFFFFFFFFFFFFFFF
460# define TIME_T_MIN 0
461# else
462# define TIME_T_MAX 0x7FFFFFFFFFFFFFFF
463# define TIME_T_MIN (-TIME_T_MAX - 1)
464# endif
465#endif
466
467#ifndef SIZE_T_MAX
468/* some limits.h headers have this defined, some don't */
469#if defined(SIZEOF_SIZE_T) && (SIZEOF_SIZE_T > 4)
470#define SIZE_T_MAX 18446744073709551615U
471#else
472#define SIZE_T_MAX 4294967295U
473#endif
474#endif
475
476/*
477 * Arg 2 type for gethostname in case it hasn't been defined in config file.
478 */
479
480#ifndef GETHOSTNAME_TYPE_ARG2
481# ifdef USE_WINSOCK
482# define GETHOSTNAME_TYPE_ARG2 int
483# else
484# define GETHOSTNAME_TYPE_ARG2 size_t
485# endif
486#endif
487
488/* Below we define some functions. They should
489
490 4. set the SIGALRM signal timeout
491 5. set dir/file naming defines
492 */
493
494#ifdef WIN32
495
496# define DIR_CHAR "\\"
497
498#else /* WIN32 */
499
500# ifdef MSDOS /* Watt-32 */
501
502# include <sys/ioctl.h>
503# define select(n,r,w,x,t) select_s(n,r,w,x,t)
504# define ioctl(x,y,z) ioctlsocket(x,y,(char *)(z))
505# include <tcp.h>
506# ifdef word
507# undef word
508# endif
509# ifdef byte
510# undef byte
511# endif
512
513# endif /* MSDOS */
514
515# ifdef __minix
516 /* Minix 3 versions up to at least 3.1.3 are missing these prototypes */
517 extern char *strtok_r(char *s, const char *delim, char **last);
518 extern struct tm *gmtime_r(const time_t * const timep, struct tm *tmp);
519# endif
520
521# define DIR_CHAR "/"
522
523# ifndef fileno /* sunos 4 have this as a macro! */
524 int fileno(FILE *stream);
525# endif
526
527#endif /* WIN32 */
528
529/*
530 * msvc 6.0 requires PSDK in order to have INET6_ADDRSTRLEN
531 * defined in ws2tcpip.h as well as to provide IPv6 support.
532 * Does not apply if lwIP is used.
533 */
534
535#if defined(_MSC_VER) && !defined(__POCC__) && !defined(USE_LWIPSOCK)
536# if !defined(HAVE_WS2TCPIP_H) || \
537 ((_MSC_VER < 1300) && !defined(INET6_ADDRSTRLEN))
538# undef HAVE_GETADDRINFO_THREADSAFE
539# undef HAVE_FREEADDRINFO
540# undef HAVE_GETADDRINFO
541# undef HAVE_GETNAMEINFO
542# undef ENABLE_IPV6
543# endif
544#endif
545
546/* ---------------------------------------------------------------- */
547/* resolver specialty compile-time defines */
548/* CURLRES_* defines to use in the host*.c sources */
549/* ---------------------------------------------------------------- */
550
551/*
552 * lcc-win32 doesn't have _beginthreadex(), lacks threads support.
553 */
554
555#if defined(__LCC__) && defined(WIN32)
556# undef USE_THREADS_POSIX
557# undef USE_THREADS_WIN32
558#endif
559
560/*
561 * MSVC threads support requires a multi-threaded runtime library.
562 * _beginthreadex() is not available in single-threaded ones.
563 */
564
565#if defined(_MSC_VER) && !defined(__POCC__) && !defined(_MT)
566# undef USE_THREADS_POSIX
567# undef USE_THREADS_WIN32
568#endif
569
570/*
571 * Mutually exclusive CURLRES_* definitions.
572 */
573
574#ifdef USE_ARES
575# define CURLRES_ASYNCH
576# define CURLRES_ARES
577/* now undef the stock libc functions just to avoid them being used */
578# undef HAVE_GETADDRINFO
579# undef HAVE_FREEADDRINFO
580# undef HAVE_GETHOSTBYNAME
581#elif defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32)
582# define CURLRES_ASYNCH
583# define CURLRES_THREADED
584#else
585# define CURLRES_SYNCH
586#endif
587
588#if defined(ENABLE_IPV6) && defined(HAVE_GETADDRINFO)
589# define CURLRES_IPV6
590#else
591# define CURLRES_IPV4
592#endif
593
594/* ---------------------------------------------------------------- */
595
596/*
597 * When using WINSOCK, TELNET protocol requires WINSOCK2 API.
598 */
599
600#if defined(USE_WINSOCK) && (USE_WINSOCK != 2)
601# define CURL_DISABLE_TELNET 1
602#endif
603
604/*
605 * msvc 6.0 does not have struct sockaddr_storage and
606 * does not define IPPROTO_ESP in winsock2.h. But both
607 * are available if PSDK is properly installed.
608 */
609
610#if defined(_MSC_VER) && !defined(__POCC__)
611# if !defined(HAVE_WINSOCK2_H) || ((_MSC_VER < 1300) && !defined(IPPROTO_ESP))
612# undef HAVE_STRUCT_SOCKADDR_STORAGE
613# endif
614#endif
615
616/*
617 * Intentionally fail to build when using msvc 6.0 without PSDK installed.
618 * The brave of heart can circumvent this, defining ALLOW_MSVC6_WITHOUT_PSDK
619 * in lib/config-win32.h although absolutely discouraged and unsupported.
620 */
621
622#if defined(_MSC_VER) && !defined(__POCC__)
623# if !defined(HAVE_WINDOWS_H) || ((_MSC_VER < 1300) && !defined(_FILETIME_))
624# if !defined(ALLOW_MSVC6_WITHOUT_PSDK)
625# error MSVC 6.0 requires "February 2003 Platform SDK" a.k.a. \
626 "Windows Server 2003 PSDK"
627# else
628# define CURL_DISABLE_LDAP 1
629# endif
630# endif
631#endif
632
633#ifdef NETWARE
634int netware_init(void);
635#ifndef __NOVELL_LIBC__
636#include <sys/bsdskt.h>
637#include <sys/timeval.h>
638#endif
639#endif
640
641#if defined(HAVE_LIBIDN2) && defined(HAVE_IDN2_H) && !defined(USE_WIN32_IDN)
642/* The lib and header are present */
643#define USE_LIBIDN2
644#endif
645
646#if defined(USE_LIBIDN2) && defined(USE_WIN32_IDN)
647#error "Both libidn2 and WinIDN are enabled, choose one."
648#endif
649
650#define LIBIDN_REQUIRED_VERSION "0.4.1"
651
652#if defined(USE_GNUTLS) || defined(USE_OPENSSL) || defined(USE_NSS) || \
653 defined(USE_MBEDTLS) || \
654 defined(USE_WOLFSSL) || defined(USE_SCHANNEL) || \
655 defined(USE_SECTRANSP) || defined(USE_GSKIT) || defined(USE_MESALINK) || \
656 defined(USE_BEARSSL)
657#define USE_SSL /* SSL support has been enabled */
658#endif
659
660/* Single point where USE_SPNEGO definition might be defined */
661#if !defined(CURL_DISABLE_CRYPTO_AUTH) && \
662 (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI))
663#define USE_SPNEGO
664#endif
665
666/* Single point where USE_KERBEROS5 definition might be defined */
667#if !defined(CURL_DISABLE_CRYPTO_AUTH) && \
668 (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI))
669#define USE_KERBEROS5
670#endif
671
672/* Single point where USE_NTLM definition might be defined */
673#if !defined(CURL_DISABLE_NTLM) && !defined(CURL_DISABLE_CRYPTO_AUTH)
674#if defined(USE_OPENSSL) || defined(USE_WINDOWS_SSPI) || \
675 defined(USE_GNUTLS) || defined(USE_NSS) || defined(USE_SECTRANSP) || \
676 defined(USE_OS400CRYPTO) || defined(USE_WIN32_CRYPTO) || \
677 defined(USE_MBEDTLS)
678
679#define USE_NTLM
680
681# if defined(USE_MBEDTLS)
682/* Get definition of MBEDTLS_MD4_C */
683# include <mbedtls/md4.h>
684# endif
685
686#endif
687#endif
688
689#ifdef CURL_WANTS_CA_BUNDLE_ENV
690#error "No longer supported. Set CURLOPT_CAINFO at runtime instead."
691#endif
692
693#if defined(USE_LIBSSH2) || defined(USE_LIBSSH) || defined(USE_WOLFSSH)
694#define USE_SSH
695#endif
696
697/*
698 * Provide a mechanism to silence picky compilers, such as gcc 4.6+.
699 * Parameters should of course normally not be unused, but for example when
700 * we have multiple implementations of the same interface it may happen.
701 */
702
703#if defined(__GNUC__) && ((__GNUC__ >= 3) || \
704 ((__GNUC__ == 2) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ >= 7)))
705# define UNUSED_PARAM __attribute__((__unused__))
706# define WARN_UNUSED_RESULT __attribute__((warn_unused_result))
707#else
708# define UNUSED_PARAM /*NOTHING*/
709# define WARN_UNUSED_RESULT
710#endif
711
712/*
713 * Include macros and defines that should only be processed once.
714 */
715
716#ifndef HEADER_CURL_SETUP_ONCE_H
717#include "curl_setup_once.h"
718#endif
719
720/*
721 * Definition of our NOP statement Object-like macro
722 */
723
724#ifndef Curl_nop_stmt
725# define Curl_nop_stmt do { } while(0)
726#endif
727
728/*
729 * Ensure that Winsock and lwIP TCP/IP stacks are not mixed.
730 */
731
732#if defined(__LWIP_OPT_H__) || defined(LWIP_HDR_OPT_H)
733# if defined(SOCKET) || \
734 defined(USE_WINSOCK) || \
735 defined(HAVE_WINSOCK_H) || \
736 defined(HAVE_WINSOCK2_H) || \
737 defined(HAVE_WS2TCPIP_H)
738# error "Winsock and lwIP TCP/IP stack definitions shall not coexist!"
739# endif
740#endif
741
742/*
743 * Portable symbolic names for Winsock shutdown() mode flags.
744 */
745
746#ifdef USE_WINSOCK
747# define SHUT_RD 0x00
748# define SHUT_WR 0x01
749# define SHUT_RDWR 0x02
750#endif
751
752/* Define S_ISREG if not defined by system headers, f.e. MSVC */
753#if !defined(S_ISREG) && defined(S_IFMT) && defined(S_IFREG)
754#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
755#endif
756
757/* Define S_ISDIR if not defined by system headers, f.e. MSVC */
758#if !defined(S_ISDIR) && defined(S_IFMT) && defined(S_IFDIR)
759#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
760#endif
761
762/* In Windows the default file mode is text but an application can override it.
763Therefore we specify it explicitly. https://github.com/curl/curl/pull/258
764*/
765#if defined(WIN32) || defined(MSDOS)
766#define FOPEN_READTEXT "rt"
767#define FOPEN_WRITETEXT "wt"
768#define FOPEN_APPENDTEXT "at"
769#elif defined(__CYGWIN__)
770/* Cygwin has specific behavior we need to address when WIN32 is not defined.
771https://cygwin.com/cygwin-ug-net/using-textbinary.html
772For write we want our output to have line endings of LF and be compatible with
773other Cygwin utilities. For read we want to handle input that may have line
774endings either CRLF or LF so 't' is appropriate.
775*/
776#define FOPEN_READTEXT "rt"
777#define FOPEN_WRITETEXT "w"
778#define FOPEN_APPENDTEXT "a"
779#else
780#define FOPEN_READTEXT "r"
781#define FOPEN_WRITETEXT "w"
782#define FOPEN_APPENDTEXT "a"
783#endif
784
785/* WinSock destroys recv() buffer when send() failed.
786 * Enabled automatically for Windows and for Cygwin as Cygwin sockets are
787 * wrappers for WinSock sockets. https://github.com/curl/curl/issues/657
788 * Define DONT_USE_RECV_BEFORE_SEND_WORKAROUND to force disable workaround.
789 */
790#if !defined(DONT_USE_RECV_BEFORE_SEND_WORKAROUND)
791# if defined(WIN32) || defined(__CYGWIN__)
792# define USE_RECV_BEFORE_SEND_WORKAROUND
793# endif
794#else /* DONT_USE_RECV_BEFORE_SEND_WORKAROUND */
795# ifdef USE_RECV_BEFORE_SEND_WORKAROUND
796# undef USE_RECV_BEFORE_SEND_WORKAROUND
797# endif
798#endif /* DONT_USE_RECV_BEFORE_SEND_WORKAROUND */
799
800/* Detect Windows App environment which has a restricted access
801 * to the Win32 APIs. */
802# if (defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0602)) || \
803 defined(WINAPI_FAMILY)
804# include <winapifamily.h>
805# if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) && \
806 !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
807# define CURL_WINDOWS_APP
808# endif
809# endif
810
811/* for systems that don't detect this in configure, use a sensible default */
812#ifndef CURL_SA_FAMILY_T
813#define CURL_SA_FAMILY_T unsigned short
814#endif
815
816/* Some convenience macros to get the larger/smaller value out of two given.
817 We prefix with CURL to prevent name collisions. */
818#define CURLMAX(x,y) ((x)>(y)?(x):(y))
819#define CURLMIN(x,y) ((x)<(y)?(x):(y))
820
821/* Some versions of the Android SDK is missing the declaration */
822#if defined(HAVE_GETPWUID_R) && defined(HAVE_DECL_GETPWUID_R_MISSING)
823struct passwd;
824int getpwuid_r(uid_t uid, struct passwd *pwd, char *buf,
825 size_t buflen, struct passwd **result);
826#endif
827
828#ifdef DEBUGBUILD
829#define UNITTEST
830#else
831#define UNITTEST static
832#endif
833
834#if defined(USE_NGTCP2) || defined(USE_QUICHE)
835#define ENABLE_QUIC
836#endif
837
838#endif /* HEADER_CURL_SETUP_H */
839