1#ifndef HEADER_CURL_SETUP_H
2#define HEADER_CURL_SETUP_H
3/***************************************************************************
4 * _ _ ____ _
5 * Project ___| | | | _ \| |
6 * / __| | | | |_) | |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) 1998 - 2021, 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 ***************************************************************************/
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#define WIN32
43#endif
44
45#ifdef WIN32
46/*
47 * Don't include unneeded stuff in Windows headers to avoid compiler
48 * warnings and macro clashes.
49 * Make sure to define this macro before including any Windows headers.
50 */
51# ifndef WIN32_LEAN_AND_MEAN
52# define WIN32_LEAN_AND_MEAN
53# endif
54# ifndef NOGDI
55# define NOGDI
56# endif
57/* Detect Windows App environment which has a restricted access
58 * to the Win32 APIs. */
59# if (defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0602)) || \
60 defined(WINAPI_FAMILY)
61# include <winapifamily.h>
62# if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) && \
63 !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
64# define CURL_WINDOWS_APP
65# endif
66# endif
67#endif
68
69/*
70 * Include configuration script results or hand-crafted
71 * configuration file for platforms which lack config tool.
72 */
73
74#ifdef HAVE_CONFIG_H
75
76#include "curl_config.h"
77
78#else /* HAVE_CONFIG_H */
79
80#ifdef _WIN32_WCE
81# include "config-win32ce.h"
82#else
83# ifdef WIN32
84# include "config-win32.h"
85# endif
86#endif
87
88#if defined(macintosh) && defined(__MRC__)
89# include "config-mac.h"
90#endif
91
92#ifdef __riscos__
93# include "config-riscos.h"
94#endif
95
96#ifdef __AMIGA__
97# include "config-amigaos.h"
98#endif
99
100#ifdef __OS400__
101# include "config-os400.h"
102#endif
103
104#ifdef TPF
105# include "config-tpf.h"
106#endif
107
108#ifdef __VXWORKS__
109# include "config-vxworks.h"
110#endif
111
112#ifdef __PLAN9__
113# include "config-plan9.h"
114#endif
115
116#endif /* HAVE_CONFIG_H */
117
118/* ================================================================ */
119/* Definition of preprocessor macros/symbols which modify compiler */
120/* behavior or generated code characteristics must be done here, */
121/* as appropriate, before any system header file is included. It is */
122/* also possible to have them defined in the config file included */
123/* before this point. As a result of all this we frown inclusion of */
124/* system header files in our config files, avoid this at any cost. */
125/* ================================================================ */
126
127/*
128 * AIX 4.3 and newer needs _THREAD_SAFE defined to build
129 * proper reentrant code. Others may also need it.
130 */
131
132#ifdef NEED_THREAD_SAFE
133# ifndef _THREAD_SAFE
134# define _THREAD_SAFE
135# endif
136#endif
137
138/*
139 * Tru64 needs _REENTRANT set for a few function prototypes and
140 * things to appear in the system header files. Unixware needs it
141 * to build proper reentrant code. Others may also need it.
142 */
143
144#ifdef NEED_REENTRANT
145# ifndef _REENTRANT
146# define _REENTRANT
147# endif
148#endif
149
150/* Solaris needs this to get a POSIX-conformant getpwuid_r */
151#if defined(sun) || defined(__sun)
152# ifndef _POSIX_PTHREAD_SEMANTICS
153# define _POSIX_PTHREAD_SEMANTICS 1
154# endif
155#endif
156
157/* ================================================================ */
158/* If you need to include a system header file for your platform, */
159/* please, do it beyond the point further indicated in this file. */
160/* ================================================================ */
161
162#include <curl/curl.h>
163
164/*
165 * Disable other protocols when http is the only one desired.
166 */
167
168#ifdef HTTP_ONLY
169# ifndef CURL_DISABLE_DICT
170# define CURL_DISABLE_DICT
171# endif
172# ifndef CURL_DISABLE_FILE
173# define CURL_DISABLE_FILE
174# endif
175# ifndef CURL_DISABLE_FTP
176# define CURL_DISABLE_FTP
177# endif
178# ifndef CURL_DISABLE_GOPHER
179# define CURL_DISABLE_GOPHER
180# endif
181# ifndef CURL_DISABLE_IMAP
182# define CURL_DISABLE_IMAP
183# endif
184# ifndef CURL_DISABLE_LDAP
185# define CURL_DISABLE_LDAP
186# endif
187# ifndef CURL_DISABLE_LDAPS
188# define CURL_DISABLE_LDAPS
189# endif
190# ifndef CURL_DISABLE_MQTT
191# define CURL_DISABLE_MQTT
192# endif
193# ifndef CURL_DISABLE_POP3
194# define CURL_DISABLE_POP3
195# endif
196# ifndef CURL_DISABLE_RTSP
197# define CURL_DISABLE_RTSP
198# endif
199# ifndef CURL_DISABLE_SMB
200# define CURL_DISABLE_SMB
201# endif
202# ifndef CURL_DISABLE_SMTP
203# define CURL_DISABLE_SMTP
204# endif
205# ifndef CURL_DISABLE_TELNET
206# define CURL_DISABLE_TELNET
207# endif
208# ifndef CURL_DISABLE_TFTP
209# define CURL_DISABLE_TFTP
210# endif
211#endif
212
213/*
214 * When http is disabled rtsp is not supported.
215 */
216
217#if defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_RTSP)
218# define CURL_DISABLE_RTSP
219#endif
220
221/* ================================================================ */
222/* No system header file shall be included in this file before this */
223/* point. The only allowed ones are those included from curl/system.h */
224/* ================================================================ */
225
226/*
227 * OS/400 setup file includes some system headers.
228 */
229
230#ifdef __OS400__
231# include "setup-os400.h"
232#endif
233
234/*
235 * VMS setup file includes some system headers.
236 */
237
238#ifdef __VMS
239# include "setup-vms.h"
240#endif
241
242/*
243 * Windows setup file includes some system headers.
244 */
245
246#ifdef HAVE_WINDOWS_H
247# include "setup-win32.h"
248#endif
249
250/*
251 * Use getaddrinfo to resolve the IPv4 address literal. If the current network
252 * interface doesn't support IPv4, but supports IPv6, NAT64, and DNS64,
253 * performing this task will result in a synthesized IPv6 address.
254 */
255#if defined(__APPLE__) && !defined(USE_ARES)
256#include <TargetConditionals.h>
257#define USE_RESOLVE_ON_IPS 1
258# if defined(TARGET_OS_OSX) && TARGET_OS_OSX
259# define CURL_OSX_CALL_COPYPROXIES 1
260# endif
261#endif
262
263#ifdef USE_LWIPSOCK
264# include <lwip/init.h>
265# include <lwip/sockets.h>
266# include <lwip/netdb.h>
267#endif
268
269#ifdef HAVE_EXTRA_STRICMP_H
270# include <extra/stricmp.h>
271#endif
272
273#ifdef HAVE_EXTRA_STRDUP_H
274# include <extra/strdup.h>
275#endif
276
277#ifdef TPF
278# include <strings.h> /* for bzero, strcasecmp, and strncasecmp */
279# include <string.h> /* for strcpy and strlen */
280# include <stdlib.h> /* for rand and srand */
281# include <sys/socket.h> /* for select and ioctl*/
282# include <netdb.h> /* for in_addr_t definition */
283# include <tpf/sysapi.h> /* for tpf_process_signals */
284 /* change which select is used for libcurl */
285# define select(a,b,c,d,e) tpf_select_libcurl(a,b,c,d,e)
286#endif
287
288#ifdef __VXWORKS__
289# include <sockLib.h> /* for generic BSD socket functions */
290# include <ioLib.h> /* for basic I/O interface functions */
291#endif
292
293#ifdef __AMIGA__
294# include <exec/types.h>
295# include <exec/execbase.h>
296# include <proto/exec.h>
297# include <proto/dos.h>
298# include <unistd.h>
299# ifdef HAVE_PROTO_BSDSOCKET_H
300# include <proto/bsdsocket.h> /* ensure bsdsocket.library use */
301# define select(a,b,c,d,e) WaitSelect(a,b,c,d,e,0)
302# endif
303/*
304 * In clib2 arpa/inet.h warns that some prototypes may clash
305 * with bsdsocket.library. This avoids the definition of those.
306 */
307# define __NO_NET_API
308#endif
309
310#include <stdio.h>
311#ifdef HAVE_ASSERT_H
312#include <assert.h>
313#endif
314
315#ifdef __TANDEM /* for nsr-tandem-nsk systems */
316#include <floss.h>
317#endif
318
319#ifndef STDC_HEADERS /* no standard C headers! */
320#include <curl/stdcheaders.h>
321#endif
322
323#ifdef __POCC__
324# include <sys/types.h>
325# include <unistd.h>
326# define sys_nerr EILSEQ
327#endif
328
329/*
330 * Salford-C kludge section (mostly borrowed from wxWidgets).
331 */
332#ifdef __SALFORDC__
333 #pragma suppress 353 /* Possible nested comments */
334 #pragma suppress 593 /* Define not used */
335 #pragma suppress 61 /* enum has no name */
336 #pragma suppress 106 /* unnamed, unused parameter */
337 #include <clib.h>
338#endif
339
340/*
341 * Large file (>2Gb) support using WIN32 functions.
342 */
343
344#ifdef USE_WIN32_LARGE_FILES
345# include <io.h>
346# include <sys/types.h>
347# include <sys/stat.h>
348# undef lseek
349# define lseek(fdes,offset,whence) _lseeki64(fdes, offset, whence)
350# undef fstat
351# define fstat(fdes,stp) _fstati64(fdes, stp)
352# undef stat
353# define stat(fname,stp) curlx_win32_stat(fname, stp)
354# define struct_stat struct _stati64
355# define LSEEK_ERROR (__int64)-1
356# define open curlx_win32_open
357# define fopen(fname,mode) curlx_win32_fopen(fname, mode)
358# define access(fname,mode) curlx_win32_access(fname, mode)
359 int curlx_win32_open(const char *filename, int oflag, ...);
360 int curlx_win32_stat(const char *path, struct_stat *buffer);
361 FILE *curlx_win32_fopen(const char *filename, const char *mode);
362 int curlx_win32_access(const char *path, int mode);
363#endif
364
365/*
366 * Small file (<2Gb) support using WIN32 functions.
367 */
368
369#ifdef USE_WIN32_SMALL_FILES
370# include <io.h>
371# include <sys/types.h>
372# include <sys/stat.h>
373# ifndef _WIN32_WCE
374# undef lseek
375# define lseek(fdes,offset,whence) _lseek(fdes, (long)offset, whence)
376# define fstat(fdes,stp) _fstat(fdes, stp)
377# define stat(fname,stp) curlx_win32_stat(fname, stp)
378# define struct_stat struct _stat
379# define open curlx_win32_open
380# define fopen(fname,mode) curlx_win32_fopen(fname, mode)
381# define access(fname,mode) curlx_win32_access(fname, mode)
382 int curlx_win32_stat(const char *path, struct_stat *buffer);
383 int curlx_win32_open(const char *filename, int oflag, ...);
384 FILE *curlx_win32_fopen(const char *filename, const char *mode);
385 int curlx_win32_access(const char *path, int mode);
386# endif
387# define LSEEK_ERROR (long)-1
388#endif
389
390#ifndef struct_stat
391# define struct_stat struct stat
392#endif
393
394#ifndef LSEEK_ERROR
395# define LSEEK_ERROR (off_t)-1
396#endif
397
398#ifndef SIZEOF_TIME_T
399/* assume default size of time_t to be 32 bit */
400#define SIZEOF_TIME_T 4
401#endif
402
403/*
404 * Default sizeof(off_t) in case it hasn't been defined in config file.
405 */
406
407#ifndef SIZEOF_OFF_T
408# if defined(__VMS) && !defined(__VAX)
409# if defined(_LARGEFILE)
410# define SIZEOF_OFF_T 8
411# endif
412# elif defined(__OS400__) && defined(__ILEC400__)
413# if defined(_LARGE_FILES)
414# define SIZEOF_OFF_T 8
415# endif
416# elif defined(__MVS__) && defined(__IBMC__)
417# if defined(_LP64) || defined(_LARGE_FILES)
418# define SIZEOF_OFF_T 8
419# endif
420# elif defined(__370__) && defined(__IBMC__)
421# if defined(_LP64) || defined(_LARGE_FILES)
422# define SIZEOF_OFF_T 8
423# endif
424# endif
425# ifndef SIZEOF_OFF_T
426# define SIZEOF_OFF_T 4
427# endif
428#endif
429
430#if (SIZEOF_CURL_OFF_T == 4)
431# define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFF)
432#else
433 /* assume SIZEOF_CURL_OFF_T == 8 */
434# define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF)
435#endif
436#define CURL_OFF_T_MIN (-CURL_OFF_T_MAX - CURL_OFF_T_C(1))
437
438#if (SIZEOF_TIME_T == 4)
439# ifdef HAVE_TIME_T_UNSIGNED
440# define TIME_T_MAX UINT_MAX
441# define TIME_T_MIN 0
442# else
443# define TIME_T_MAX INT_MAX
444# define TIME_T_MIN INT_MIN
445# endif
446#else
447# ifdef HAVE_TIME_T_UNSIGNED
448# define TIME_T_MAX 0xFFFFFFFFFFFFFFFF
449# define TIME_T_MIN 0
450# else
451# define TIME_T_MAX 0x7FFFFFFFFFFFFFFF
452# define TIME_T_MIN (-TIME_T_MAX - 1)
453# endif
454#endif
455
456#ifndef SIZE_T_MAX
457/* some limits.h headers have this defined, some don't */
458#if defined(SIZEOF_SIZE_T) && (SIZEOF_SIZE_T > 4)
459#define SIZE_T_MAX 18446744073709551615U
460#else
461#define SIZE_T_MAX 4294967295U
462#endif
463#endif
464
465#ifndef SSIZE_T_MAX
466/* some limits.h headers have this defined, some don't */
467#if defined(SIZEOF_SIZE_T) && (SIZEOF_SIZE_T > 4)
468#define SSIZE_T_MAX 9223372036854775807
469#else
470#define SSIZE_T_MAX 2147483647
471#endif
472#endif
473
474/*
475 * Arg 2 type for gethostname in case it hasn't been defined in config file.
476 */
477
478#ifndef GETHOSTNAME_TYPE_ARG2
479# ifdef USE_WINSOCK
480# define GETHOSTNAME_TYPE_ARG2 int
481# else
482# define GETHOSTNAME_TYPE_ARG2 size_t
483# endif
484#endif
485
486/* Below we define some functions. They should
487
488 4. set the SIGALRM signal timeout
489 5. set dir/file naming defines
490 */
491
492#ifdef WIN32
493
494# define DIR_CHAR "\\"
495
496#else /* WIN32 */
497
498# ifdef MSDOS /* Watt-32 */
499
500# include <sys/ioctl.h>
501# define select(n,r,w,x,t) select_s(n,r,w,x,t)
502# define ioctl(x,y,z) ioctlsocket(x,y,(char *)(z))
503# include <tcp.h>
504# ifdef word
505# undef word
506# endif
507# ifdef byte
508# undef byte
509# endif
510
511# endif /* MSDOS */
512
513# ifdef __minix
514 /* Minix 3 versions up to at least 3.1.3 are missing these prototypes */
515 extern char *strtok_r(char *s, const char *delim, char **last);
516 extern struct tm *gmtime_r(const time_t * const timep, struct tm *tmp);
517# endif
518
519# define DIR_CHAR "/"
520
521# ifndef fileno /* sunos 4 have this as a macro! */
522 int fileno(FILE *stream);
523# endif
524
525#endif /* WIN32 */
526
527/*
528 * msvc 6.0 requires PSDK in order to have INET6_ADDRSTRLEN
529 * defined in ws2tcpip.h as well as to provide IPv6 support.
530 * Does not apply if lwIP is used.
531 */
532
533#if defined(_MSC_VER) && !defined(__POCC__) && !defined(USE_LWIPSOCK)
534# if !defined(HAVE_WS2TCPIP_H) || \
535 ((_MSC_VER < 1300) && !defined(INET6_ADDRSTRLEN))
536# undef HAVE_GETADDRINFO_THREADSAFE
537# undef HAVE_FREEADDRINFO
538# undef HAVE_GETADDRINFO
539# undef ENABLE_IPV6
540# endif
541#endif
542
543/* ---------------------------------------------------------------- */
544/* resolver specialty compile-time defines */
545/* CURLRES_* defines to use in the host*.c sources */
546/* ---------------------------------------------------------------- */
547
548/*
549 * lcc-win32 doesn't have _beginthreadex(), lacks threads support.
550 */
551
552#if defined(__LCC__) && defined(WIN32)
553# undef USE_THREADS_POSIX
554# undef USE_THREADS_WIN32
555#endif
556
557/*
558 * MSVC threads support requires a multi-threaded runtime library.
559 * _beginthreadex() is not available in single-threaded ones.
560 */
561
562#if defined(_MSC_VER) && !defined(__POCC__) && !defined(_MT)
563# undef USE_THREADS_POSIX
564# undef USE_THREADS_WIN32
565#endif
566
567/*
568 * Mutually exclusive CURLRES_* definitions.
569 */
570
571#if defined(ENABLE_IPV6) && defined(HAVE_GETADDRINFO)
572# define CURLRES_IPV6
573#else
574# define CURLRES_IPV4
575#endif
576
577#ifdef USE_ARES
578# define CURLRES_ASYNCH
579# define CURLRES_ARES
580/* now undef the stock libc functions just to avoid them being used */
581# undef HAVE_GETADDRINFO
582# undef HAVE_FREEADDRINFO
583# undef HAVE_GETHOSTBYNAME
584#elif defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32)
585# define CURLRES_ASYNCH
586# define CURLRES_THREADED
587#else
588# define CURLRES_SYNCH
589#endif
590
591/* ---------------------------------------------------------------- */
592
593/*
594 * msvc 6.0 does not have struct sockaddr_storage and
595 * does not define IPPROTO_ESP in winsock2.h. But both
596 * are available if PSDK is properly installed.
597 */
598
599#if defined(_MSC_VER) && !defined(__POCC__)
600# if !defined(HAVE_WINSOCK2_H) || ((_MSC_VER < 1300) && !defined(IPPROTO_ESP))
601# undef HAVE_STRUCT_SOCKADDR_STORAGE
602# endif
603#endif
604
605/*
606 * Intentionally fail to build when using msvc 6.0 without PSDK installed.
607 * The brave of heart can circumvent this, defining ALLOW_MSVC6_WITHOUT_PSDK
608 * in lib/config-win32.h although absolutely discouraged and unsupported.
609 */
610
611#if defined(_MSC_VER) && !defined(__POCC__)
612# if !defined(HAVE_WINDOWS_H) || ((_MSC_VER < 1300) && !defined(_FILETIME_))
613# if !defined(ALLOW_MSVC6_WITHOUT_PSDK)
614# error MSVC 6.0 requires "February 2003 Platform SDK" a.k.a. \
615 "Windows Server 2003 PSDK"
616# else
617# define CURL_DISABLE_LDAP 1
618# endif
619# endif
620#endif
621
622#ifdef NETWARE
623int netware_init(void);
624#ifndef __NOVELL_LIBC__
625#include <sys/bsdskt.h>
626#include <sys/timeval.h>
627#endif
628#endif
629
630#if defined(HAVE_LIBIDN2) && defined(HAVE_IDN2_H) && !defined(USE_WIN32_IDN)
631/* The lib and header are present */
632#define USE_LIBIDN2
633#endif
634
635#if defined(USE_LIBIDN2) && defined(USE_WIN32_IDN)
636#error "Both libidn2 and WinIDN are enabled, choose one."
637#endif
638
639#define LIBIDN_REQUIRED_VERSION "0.4.1"
640
641#if defined(USE_GNUTLS) || defined(USE_OPENSSL) || defined(USE_NSS) || \
642 defined(USE_MBEDTLS) || \
643 defined(USE_WOLFSSL) || defined(USE_SCHANNEL) || \
644 defined(USE_SECTRANSP) || defined(USE_GSKIT) || defined(USE_MESALINK) || \
645 defined(USE_BEARSSL) || defined(USE_RUSTLS)
646#define USE_SSL /* SSL support has been enabled */
647#endif
648
649/* Single point where USE_SPNEGO definition might be defined */
650#if !defined(CURL_DISABLE_CRYPTO_AUTH) && \
651 (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI))
652#define USE_SPNEGO
653#endif
654
655/* Single point where USE_KERBEROS5 definition might be defined */
656#if !defined(CURL_DISABLE_CRYPTO_AUTH) && \
657 (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI))
658#define USE_KERBEROS5
659#endif
660
661/* Single point where USE_NTLM definition might be defined */
662#if !defined(CURL_DISABLE_CRYPTO_AUTH) && !defined(CURL_DISABLE_NTLM)
663# if defined(USE_OPENSSL) || defined(USE_MBEDTLS) || \
664 defined(USE_GNUTLS) || defined(USE_NSS) || defined(USE_SECTRANSP) || \
665 defined(USE_OS400CRYPTO) || defined(USE_WIN32_CRYPTO) || \
666 (defined(USE_WOLFSSL) && defined(HAVE_WOLFSSL_DES_ECB_ENCRYPT))
667# define USE_CURL_NTLM_CORE
668# endif
669# if defined(USE_CURL_NTLM_CORE) || defined(USE_WINDOWS_SSPI)
670# define USE_NTLM
671# endif
672#endif
673
674#ifdef CURL_WANTS_CA_BUNDLE_ENV
675#error "No longer supported. Set CURLOPT_CAINFO at runtime instead."
676#endif
677
678#if defined(USE_LIBSSH2) || defined(USE_LIBSSH) || defined(USE_WOLFSSH)
679#define USE_SSH
680#endif
681
682/*
683 * Provide a mechanism to silence picky compilers, such as gcc 4.6+.
684 * Parameters should of course normally not be unused, but for example when
685 * we have multiple implementations of the same interface it may happen.
686 */
687
688#if defined(__GNUC__) && ((__GNUC__ >= 3) || \
689 ((__GNUC__ == 2) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ >= 7)))
690# define UNUSED_PARAM __attribute__((__unused__))
691# define WARN_UNUSED_RESULT __attribute__((warn_unused_result))
692#else
693# define UNUSED_PARAM /*NOTHING*/
694# define WARN_UNUSED_RESULT
695#endif
696
697/*
698 * Include macros and defines that should only be processed once.
699 */
700
701#ifndef HEADER_CURL_SETUP_ONCE_H
702#include "curl_setup_once.h"
703#endif
704
705/*
706 * Definition of our NOP statement Object-like macro
707 */
708
709#ifndef Curl_nop_stmt
710# define Curl_nop_stmt do { } while(0)
711#endif
712
713/*
714 * Ensure that Winsock and lwIP TCP/IP stacks are not mixed.
715 */
716
717#if defined(__LWIP_OPT_H__) || defined(LWIP_HDR_OPT_H)
718# if defined(SOCKET) || \
719 defined(USE_WINSOCK) || \
720 defined(HAVE_WINSOCK_H) || \
721 defined(HAVE_WINSOCK2_H) || \
722 defined(HAVE_WS2TCPIP_H)
723# error "WinSock and lwIP TCP/IP stack definitions shall not coexist!"
724# endif
725#endif
726
727/*
728 * shutdown() flags for systems that don't define them
729 */
730
731#ifndef SHUT_RD
732#define SHUT_RD 0x00
733#endif
734
735#ifndef SHUT_WR
736#define SHUT_WR 0x01
737#endif
738
739#ifndef SHUT_RDWR
740#define SHUT_RDWR 0x02
741#endif
742
743/* Define S_ISREG if not defined by system headers, f.e. MSVC */
744#if !defined(S_ISREG) && defined(S_IFMT) && defined(S_IFREG)
745#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
746#endif
747
748/* Define S_ISDIR if not defined by system headers, f.e. MSVC */
749#if !defined(S_ISDIR) && defined(S_IFMT) && defined(S_IFDIR)
750#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
751#endif
752
753/* In Windows the default file mode is text but an application can override it.
754Therefore we specify it explicitly. https://github.com/curl/curl/pull/258
755*/
756#if defined(WIN32) || defined(MSDOS)
757#define FOPEN_READTEXT "rt"
758#define FOPEN_WRITETEXT "wt"
759#define FOPEN_APPENDTEXT "at"
760#elif defined(__CYGWIN__)
761/* Cygwin has specific behavior we need to address when WIN32 is not defined.
762https://cygwin.com/cygwin-ug-net/using-textbinary.html
763For write we want our output to have line endings of LF and be compatible with
764other Cygwin utilities. For read we want to handle input that may have line
765endings either CRLF or LF so 't' is appropriate.
766*/
767#define FOPEN_READTEXT "rt"
768#define FOPEN_WRITETEXT "w"
769#define FOPEN_APPENDTEXT "a"
770#else
771#define FOPEN_READTEXT "r"
772#define FOPEN_WRITETEXT "w"
773#define FOPEN_APPENDTEXT "a"
774#endif
775
776/* WinSock destroys recv() buffer when send() failed.
777 * Enabled automatically for Windows and for Cygwin as Cygwin sockets are
778 * wrappers for WinSock sockets. https://github.com/curl/curl/issues/657
779 * Define DONT_USE_RECV_BEFORE_SEND_WORKAROUND to force disable workaround.
780 */
781#if !defined(DONT_USE_RECV_BEFORE_SEND_WORKAROUND)
782# if defined(WIN32) || defined(__CYGWIN__)
783# define USE_RECV_BEFORE_SEND_WORKAROUND
784# endif
785#else /* DONT_USE_RECV_BEFORE_SEND_WORKAROUND */
786# ifdef USE_RECV_BEFORE_SEND_WORKAROUND
787# undef USE_RECV_BEFORE_SEND_WORKAROUND
788# endif
789#endif /* DONT_USE_RECV_BEFORE_SEND_WORKAROUND */
790
791/* for systems that don't detect this in configure */
792#ifndef CURL_SA_FAMILY_T
793# if defined(HAVE_SA_FAMILY_T)
794# define CURL_SA_FAMILY_T sa_family_t
795# elif defined(HAVE_ADDRESS_FAMILY)
796# define CURL_SA_FAMILY_T ADDRESS_FAMILY
797# else
798/* use a sensible default */
799# define CURL_SA_FAMILY_T unsigned short
800# endif
801#endif
802
803/* Some convenience macros to get the larger/smaller value out of two given.
804 We prefix with CURL to prevent name collisions. */
805#define CURLMAX(x,y) ((x)>(y)?(x):(y))
806#define CURLMIN(x,y) ((x)<(y)?(x):(y))
807
808/* Some versions of the Android SDK is missing the declaration */
809#if defined(HAVE_GETPWUID_R) && defined(HAVE_DECL_GETPWUID_R_MISSING)
810struct passwd;
811int getpwuid_r(uid_t uid, struct passwd *pwd, char *buf,
812 size_t buflen, struct passwd **result);
813#endif
814
815#ifdef DEBUGBUILD
816#define UNITTEST
817#else
818#define UNITTEST static
819#endif
820
821#if defined(USE_NGHTTP2) || defined(USE_HYPER)
822#define USE_HTTP2
823#endif
824
825#if defined(USE_NGTCP2) || defined(USE_QUICHE)
826#define ENABLE_QUIC
827#endif
828
829#if defined(USE_UNIX_SOCKETS) && defined(WIN32)
830# if defined(__MINGW32__) && !defined(LUP_SECURE)
831 typedef u_short ADDRESS_FAMILY; /* Classic mingw, 11y+ old mingw-w64 */
832# endif
833# if !defined(UNIX_PATH_MAX)
834 /* Replicating logic present in afunix.h
835 (distributed with newer Windows 10 SDK versions only) */
836# define UNIX_PATH_MAX 108
837 /* !checksrc! disable TYPEDEFSTRUCT 1 */
838 typedef struct sockaddr_un {
839 ADDRESS_FAMILY sun_family;
840 char sun_path[UNIX_PATH_MAX];
841 } SOCKADDR_UN, *PSOCKADDR_UN;
842# endif
843#endif
844
845#endif /* HEADER_CURL_SETUP_H */
846