curl_setup.h@ 97138

最後變更在這個檔案從97138是 95312,由 vboxsync 提交於 3 年前
libs/{curl,libxml2}: OSE export fixes, bugref:8515
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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 - 2022, Daniel Stenberg, <[email protected]>, 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 __PLAN9__
105	# include "config-plan9.h"
106	#endif
107
108	#endif /* HAVE_CONFIG_H */
109
110	/* ================================================================ */
111	/* Definition of preprocessor macros/symbols which modify compiler */
112	/* behavior or generated code characteristics must be done here, */
113	/* as appropriate, before any system header file is included. It is */
114	/* also possible to have them defined in the config file included */
115	/* before this point. As a result of all this we frown inclusion of */
116	/* system header files in our config files, avoid this at any cost. */
117	/* ================================================================ */
118
119	/*
120	* AIX 4.3 and newer needs _THREAD_SAFE defined to build
121	* proper reentrant code. Others may also need it.
122	*/
123
124	#ifdef NEED_THREAD_SAFE
125	# ifndef _THREAD_SAFE
126	# define _THREAD_SAFE
127	# endif
128	#endif
129
130	/*
131	* Tru64 needs _REENTRANT set for a few function prototypes and
132	* things to appear in the system header files. Unixware needs it
133	* to build proper reentrant code. Others may also need it.
134	*/
135
136	#ifdef NEED_REENTRANT
137	# ifndef _REENTRANT
138	# define _REENTRANT
139	# endif
140	#endif
141
142	/* Solaris needs this to get a POSIX-conformant getpwuid_r */
143	#if defined(sun) \|\| defined(__sun)
144	# ifndef _POSIX_PTHREAD_SEMANTICS
145	# define _POSIX_PTHREAD_SEMANTICS 1
146	# endif
147	#endif
148
149	/* ================================================================ */
150	/* If you need to include a system header file for your platform, */
151	/* please, do it beyond the point further indicated in this file. */
152	/* ================================================================ */
153
154	#include <curl/curl.h>
155
156	/*
157	* Disable other protocols when http is the only one desired.
158	*/
159
160	#ifdef HTTP_ONLY
161	# ifndef CURL_DISABLE_DICT
162	# define CURL_DISABLE_DICT
163	# endif
164	# ifndef CURL_DISABLE_FILE
165	# define CURL_DISABLE_FILE
166	# endif
167	# ifndef CURL_DISABLE_FTP
168	# define CURL_DISABLE_FTP
169	# endif
170	# ifndef CURL_DISABLE_GOPHER
171	# define CURL_DISABLE_GOPHER
172	# endif
173	# ifndef CURL_DISABLE_IMAP
174	# define CURL_DISABLE_IMAP
175	# endif
176	# ifndef CURL_DISABLE_LDAP
177	# define CURL_DISABLE_LDAP
178	# endif
179	# ifndef CURL_DISABLE_LDAPS
180	# define CURL_DISABLE_LDAPS
181	# endif
182	# ifndef CURL_DISABLE_MQTT
183	# define CURL_DISABLE_MQTT
184	# endif
185	# ifndef CURL_DISABLE_POP3
186	# define CURL_DISABLE_POP3
187	# endif
188	# ifndef CURL_DISABLE_RTSP
189	# define CURL_DISABLE_RTSP
190	# endif
191	# ifndef CURL_DISABLE_SMB
192	# define CURL_DISABLE_SMB
193	# endif
194	# ifndef CURL_DISABLE_SMTP
195	# define CURL_DISABLE_SMTP
196	# endif
197	# ifndef CURL_DISABLE_TELNET
198	# define CURL_DISABLE_TELNET
199	# endif
200	# ifndef CURL_DISABLE_TFTP
201	# define CURL_DISABLE_TFTP
202	# endif
203	#endif
204
205	/*
206	* When http is disabled rtsp is not supported.
207	*/
208
209	#if defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_RTSP)
210	# define CURL_DISABLE_RTSP
211	#endif
212
213	/* ================================================================ */
214	/* No system header file shall be included in this file before this */
215	/* point. The only allowed ones are those included from curl/system.h */
216	/* ================================================================ */
217
218	/*
219	* OS/400 setup file includes some system headers.
220	*/
221
222	#ifdef __OS400__
223	# include "setup-os400.h"
224	#endif
225
226	/*
227	* VMS setup file includes some system headers.
228	*/
229
230	#ifdef __VMS
231	# include "setup-vms.h"
232	#endif
233
234	/*
235	* Windows setup file includes some system headers.
236	*/
237
238	#ifdef HAVE_WINDOWS_H
239	# include "setup-win32.h"
240	#endif
241
242	/*
243	* Use getaddrinfo to resolve the IPv4 address literal. If the current network
244	* interface doesn't support IPv4, but supports IPv6, NAT64, and DNS64,
245	* performing this task will result in a synthesized IPv6 address.
246	*/
247	#if defined(__APPLE__) && !defined(USE_ARES)
248	#include <TargetConditionals.h>
249	#define USE_RESOLVE_ON_IPS 1
250	# if defined(TARGET_OS_OSX) && TARGET_OS_OSX
251	# define CURL_OSX_CALL_COPYPROXIES 1
252	# endif
253	#endif
254
255	#ifdef USE_LWIPSOCK
256	# include <lwip/init.h>
257	# include <lwip/sockets.h>
258	# include <lwip/netdb.h>
259	#endif
260
261	#ifdef HAVE_EXTRA_STRICMP_H
262	# include <extra/stricmp.h>
263	#endif
264
265	#ifdef HAVE_EXTRA_STRDUP_H
266	# include <extra/strdup.h>
267	#endif
268
269	#ifdef __AMIGA__
270	# include <exec/types.h>
271	# include <exec/execbase.h>
272	# include <proto/exec.h>
273	# include <proto/dos.h>
274	# include <unistd.h>
275	# ifdef HAVE_PROTO_BSDSOCKET_H
276	# include <proto/bsdsocket.h> /* ensure bsdsocket.library use */
277	# define select(a,b,c,d,e) WaitSelect(a,b,c,d,e,0)
278	# endif
279	/*
280	* In clib2 arpa/inet.h warns that some prototypes may clash
281	* with bsdsocket.library. This avoids the definition of those.
282	*/
283	# define __NO_NET_API
284	#endif
285
286	#include <stdio.h>
287	#ifdef HAVE_ASSERT_H
288	#include <assert.h>
289	#endif
290
291	#ifdef __TANDEM /* for nsr-tandem-nsk systems */
292	#include <floss.h>
293	#endif
294
295	#ifndef STDC_HEADERS /* no standard C headers! */
296	#include <curl/stdcheaders.h>
297	#endif
298
299	#ifdef __POCC__
300	# include <sys/types.h>
301	# include <unistd.h>
302	# define sys_nerr EILSEQ
303	#endif
304
305	/*
306	* Salford-C kludge section (mostly borrowed from wxWidgets).
307	*/
308	#ifdef __SALFORDC__
309	#pragma suppress 353 /* Possible nested comments */
310	#pragma suppress 593 /* Define not used */
311	#pragma suppress 61 /* enum has no name */
312	#pragma suppress 106 /* unnamed, unused parameter */
313	#include <clib.h>
314	#endif
315
316	/*
317	* Large file (>2Gb) support using WIN32 functions.
318	*/
319
320	#ifdef USE_WIN32_LARGE_FILES
321	# include <io.h>
322	# include <sys/types.h>
323	# include <sys/stat.h>
324	# undef lseek
325	# define lseek(fdes,offset,whence) _lseeki64(fdes, offset, whence)
326	# undef fstat
327	# define fstat(fdes,stp) _fstati64(fdes, stp)
328	# undef stat
329	# define stat(fname,stp) curlx_win32_stat(fname, stp)
330	# define struct_stat struct _stati64
331	# define LSEEK_ERROR (__int64)-1
332	# define open curlx_win32_open
333	# define fopen(fname,mode) curlx_win32_fopen(fname, mode)
334	# define access(fname,mode) curlx_win32_access(fname, mode)
335	int curlx_win32_open(const char *filename, int oflag, ...);
336	int curlx_win32_stat(const char path, struct_stat buffer);
337	FILE curlx_win32_fopen(const char filename, const char *mode);
338	int curlx_win32_access(const char *path, int mode);
339	#endif
340
341	/*
342	* Small file (<2Gb) support using WIN32 functions.
343	*/
344
345	#ifdef USE_WIN32_SMALL_FILES
346	# include <io.h>
347	# include <sys/types.h>
348	# include <sys/stat.h>
349	# ifndef _WIN32_WCE
350	# undef lseek
351	# define lseek(fdes,offset,whence) _lseek(fdes, (long)offset, whence)
352	# define fstat(fdes,stp) _fstat(fdes, stp)
353	# define stat(fname,stp) curlx_win32_stat(fname, stp)
354	# define struct_stat struct _stat
355	# define open curlx_win32_open
356	# define fopen(fname,mode) curlx_win32_fopen(fname, mode)
357	# define access(fname,mode) curlx_win32_access(fname, mode)
358	int curlx_win32_stat(const char path, struct_stat buffer);
359	int curlx_win32_open(const char *filename, int oflag, ...);
360	FILE curlx_win32_fopen(const char filename, const char *mode);
361	int curlx_win32_access(const char *path, int mode);
362	# endif
363	# define LSEEK_ERROR (long)-1
364	#endif
365
366	#ifndef struct_stat
367	# define struct_stat struct stat
368	#endif
369
370	#ifndef LSEEK_ERROR
371	# define LSEEK_ERROR (off_t)-1
372	#endif
373
374	#ifndef SIZEOF_TIME_T
375	/* assume default size of time_t to be 32 bit */
376	#define SIZEOF_TIME_T 4
377	#endif
378
379	/*
380	* Default sizeof(off_t) in case it hasn't been defined in config file.
381	*/
382
383	#ifndef SIZEOF_OFF_T
384	# if defined(__VMS) && !defined(__VAX)
385	# if defined(_LARGEFILE)
386	# define SIZEOF_OFF_T 8
387	# endif
388	# elif defined(__OS400__) && defined(__ILEC400__)
389	# if defined(_LARGE_FILES)
390	# define SIZEOF_OFF_T 8
391	# endif
392	# elif defined(__MVS__) && defined(__IBMC__)
393	# if defined(_LP64) \|\| defined(_LARGE_FILES)
394	# define SIZEOF_OFF_T 8
395	# endif
396	# elif defined(__370__) && defined(__IBMC__)
397	# if defined(_LP64) \|\| defined(_LARGE_FILES)
398	# define SIZEOF_OFF_T 8
399	# endif
400	# endif
401	# ifndef SIZEOF_OFF_T
402	# define SIZEOF_OFF_T 4
403	# endif
404	#endif
405
406	#if (SIZEOF_CURL_OFF_T == 4)
407	# define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFF)
408	#else
409	/* assume SIZEOF_CURL_OFF_T == 8 */
410	# define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF)
411	#endif
412	#define CURL_OFF_T_MIN (-CURL_OFF_T_MAX - CURL_OFF_T_C(1))
413
414	#if (SIZEOF_TIME_T == 4)
415	# ifdef HAVE_TIME_T_UNSIGNED
416	# define TIME_T_MAX UINT_MAX
417	# define TIME_T_MIN 0
418	# else
419	# define TIME_T_MAX INT_MAX
420	# define TIME_T_MIN INT_MIN
421	# endif
422	#else
423	# ifdef HAVE_TIME_T_UNSIGNED
424	# define TIME_T_MAX 0xFFFFFFFFFFFFFFFF
425	# define TIME_T_MIN 0
426	# else
427	# define TIME_T_MAX 0x7FFFFFFFFFFFFFFF
428	# define TIME_T_MIN (-TIME_T_MAX - 1)
429	# endif
430	#endif
431
432	#ifndef SIZE_T_MAX
433	/* some limits.h headers have this defined, some don't */
434	#if defined(SIZEOF_SIZE_T) && (SIZEOF_SIZE_T > 4)
435	#define SIZE_T_MAX 18446744073709551615U
436	#else
437	#define SIZE_T_MAX 4294967295U
438	#endif
439	#endif
440
441	#ifndef SSIZE_T_MAX
442	/* some limits.h headers have this defined, some don't */
443	#if defined(SIZEOF_SIZE_T) && (SIZEOF_SIZE_T > 4)
444	#define SSIZE_T_MAX 9223372036854775807
445	#else
446	#define SSIZE_T_MAX 2147483647
447	#endif
448	#endif
449
450	/*
451	* Arg 2 type for gethostname in case it hasn't been defined in config file.
452	*/
453
454	#ifndef GETHOSTNAME_TYPE_ARG2
455	# ifdef USE_WINSOCK
456	# define GETHOSTNAME_TYPE_ARG2 int
457	# else
458	# define GETHOSTNAME_TYPE_ARG2 size_t
459	# endif
460	#endif
461
462	/* Below we define some functions. They should
463
464	4. set the SIGALRM signal timeout
465	5. set dir/file naming defines
466	*/
467
468	#ifdef WIN32
469
470	# define DIR_CHAR "\\"
471
472	#else /* WIN32 */
473
474	# ifdef MSDOS /* Watt-32 */
475
476	# include <sys/ioctl.h>
477	# define select(n,r,w,x,t) select_s(n,r,w,x,t)
478	# define ioctl(x,y,z) ioctlsocket(x,y,(char *)(z))
479	# include <tcp.h>
480	# ifdef word
481	# undef word
482	# endif
483	# ifdef byte
484	# undef byte
485	# endif
486
487	# endif /* MSDOS */
488
489	# ifdef __minix
490	/* Minix 3 versions up to at least 3.1.3 are missing these prototypes */
491	extern char strtok_r(char s, const char delim, char *last);
492	extern struct tm gmtime_r(const time_t const timep, struct tm *tmp);
493	# endif
494
495	# define DIR_CHAR "/"
496
497	# ifndef fileno /* sunos 4 have this as a macro! */
498	int fileno(FILE *stream);
499	# endif
500
501	#endif /* WIN32 */
502
503	/*
504	* msvc 6.0 requires PSDK in order to have INET6_ADDRSTRLEN
505	* defined in ws2tcpip.h as well as to provide IPv6 support.
506	* Does not apply if lwIP is used.
507	*/
508
509	#if defined(_MSC_VER) && !defined(__POCC__) && !defined(USE_LWIPSOCK)
510	# if !defined(HAVE_WS2TCPIP_H) \|\| \
511	((_MSC_VER < 1300) && !defined(INET6_ADDRSTRLEN))
512	# undef HAVE_GETADDRINFO_THREADSAFE
513	# undef HAVE_FREEADDRINFO
514	# undef HAVE_GETADDRINFO
515	# undef ENABLE_IPV6
516	# endif
517	#endif
518
519	/* ---------------------------------------------------------------- */
520	/* resolver specialty compile-time defines */
521	/* CURLRES_* defines to use in the host.c sources /
522	/* ---------------------------------------------------------------- */
523
524	/*
525	* lcc-win32 doesn't have _beginthreadex(), lacks threads support.
526	*/
527
528	#if defined(__LCC__) && defined(WIN32)
529	# undef USE_THREADS_POSIX
530	# undef USE_THREADS_WIN32
531	#endif
532
533	/*
534	* MSVC threads support requires a multi-threaded runtime library.
535	* _beginthreadex() is not available in single-threaded ones.
536	*/
537
538	#if defined(_MSC_VER) && !defined(__POCC__) && !defined(_MT)
539	# undef USE_THREADS_POSIX
540	# undef USE_THREADS_WIN32
541	#endif
542
543	/*
544	* Mutually exclusive CURLRES_* definitions.
545	*/
546
547	#if defined(ENABLE_IPV6) && defined(HAVE_GETADDRINFO)
548	# define CURLRES_IPV6
549	#else
550	# define CURLRES_IPV4
551	#endif
552
553	#ifdef USE_ARES
554	# define CURLRES_ASYNCH
555	# define CURLRES_ARES
556	/* now undef the stock libc functions just to avoid them being used */
557	# undef HAVE_GETADDRINFO
558	# undef HAVE_FREEADDRINFO
559	# undef HAVE_GETHOSTBYNAME
560	#elif defined(USE_THREADS_POSIX) \|\| defined(USE_THREADS_WIN32)
561	# define CURLRES_ASYNCH
562	# define CURLRES_THREADED
563	#else
564	# define CURLRES_SYNCH
565	#endif
566
567	/* ---------------------------------------------------------------- */
568
569	/*
570	* msvc 6.0 does not have struct sockaddr_storage and
571	* does not define IPPROTO_ESP in winsock2.h. But both
572	* are available if PSDK is properly installed.
573	*/
574
575	#if defined(_MSC_VER) && !defined(__POCC__)
576	# if !defined(HAVE_WINSOCK2_H) \|\| ((_MSC_VER < 1300) && !defined(IPPROTO_ESP))
577	# undef HAVE_STRUCT_SOCKADDR_STORAGE
578	# endif
579	#endif
580
581	/*
582	* Intentionally fail to build when using msvc 6.0 without PSDK installed.
583	* The brave of heart can circumvent this, defining ALLOW_MSVC6_WITHOUT_PSDK
584	* in lib/config-win32.h although absolutely discouraged and unsupported.
585	*/
586
587	#if defined(_MSC_VER) && !defined(__POCC__)
588	# if !defined(HAVE_WINDOWS_H) \|\| ((_MSC_VER < 1300) && !defined(_FILETIME_))
589	# if !defined(ALLOW_MSVC6_WITHOUT_PSDK)
590	# error MSVC 6.0 requires "February 2003 Platform SDK" a.k.a. \
591	"Windows Server 2003 PSDK"
592	# else
593	# define CURL_DISABLE_LDAP 1
594	# endif
595	# endif
596	#endif
597
598	#if defined(HAVE_LIBIDN2) && defined(HAVE_IDN2_H) && !defined(USE_WIN32_IDN)
599	/* The lib and header are present */
600	#define USE_LIBIDN2
601	#endif
602
603	#if defined(USE_LIBIDN2) && defined(USE_WIN32_IDN)
604	#error "Both libidn2 and WinIDN are enabled, choose one."
605	#endif
606
607	#define LIBIDN_REQUIRED_VERSION "0.4.1"
608
609	#if defined(USE_GNUTLS) \|\| defined(USE_OPENSSL) \|\| defined(USE_NSS) \|\| \
610	defined(USE_MBEDTLS) \|\| \
611	defined(USE_WOLFSSL) \|\| defined(USE_SCHANNEL) \|\| \
612	defined(USE_SECTRANSP) \|\| defined(USE_GSKIT) \|\| \
613	defined(USE_BEARSSL) \|\| defined(USE_RUSTLS)
614	#define USE_SSL /* SSL support has been enabled */
615	#endif
616
617	/* Single point where USE_SPNEGO definition might be defined */
618	#if !defined(CURL_DISABLE_CRYPTO_AUTH) && \
619	(defined(HAVE_GSSAPI) \|\| defined(USE_WINDOWS_SSPI))
620	#define USE_SPNEGO
621	#endif
622
623	/* Single point where USE_KERBEROS5 definition might be defined */
624	#if !defined(CURL_DISABLE_CRYPTO_AUTH) && \
625	(defined(HAVE_GSSAPI) \|\| defined(USE_WINDOWS_SSPI))
626	#define USE_KERBEROS5
627	#endif
628
629	/* Single point where USE_NTLM definition might be defined */
630	#if !defined(CURL_DISABLE_CRYPTO_AUTH) && !defined(CURL_DISABLE_NTLM)
631	# if defined(USE_OPENSSL) \|\| defined(USE_MBEDTLS) \|\| \
632	defined(USE_GNUTLS) \|\| defined(USE_NSS) \|\| defined(USE_SECTRANSP) \|\| \
633	defined(USE_OS400CRYPTO) \|\| defined(USE_WIN32_CRYPTO) \|\| \
634	(defined(USE_WOLFSSL) && defined(HAVE_WOLFSSL_DES_ECB_ENCRYPT))
635	# define USE_CURL_NTLM_CORE
636	# endif
637	# if defined(USE_CURL_NTLM_CORE) \|\| defined(USE_WINDOWS_SSPI)
638	# define USE_NTLM
639	# endif
640	#endif
641
642	#ifdef CURL_WANTS_CA_BUNDLE_ENV
643	#error "No longer supported. Set CURLOPT_CAINFO at runtime instead."
644	#endif
645
646	#if defined(USE_LIBSSH2) \|\| defined(USE_LIBSSH) \|\| defined(USE_WOLFSSH)
647	#define USE_SSH
648	#endif
649
650	/*
651	* Provide a mechanism to silence picky compilers, such as gcc 4.6+.
652	* Parameters should of course normally not be unused, but for example when
653	* we have multiple implementations of the same interface it may happen.
654	*/
655
656	#if defined(__GNUC__) && ((__GNUC__ >= 3) \|\| \
657	((__GNUC__ == 2) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ >= 7)))
658	# define UNUSED_PARAM __attribute__((__unused__))
659	# define WARN_UNUSED_RESULT __attribute__((warn_unused_result))
660	#else
661	# define UNUSED_PARAM /NOTHING/
662	# define WARN_UNUSED_RESULT
663	#endif
664
665	/*
666	* Include macros and defines that should only be processed once.
667	*/
668
669	#ifndef HEADER_CURL_SETUP_ONCE_H
670	#include "curl_setup_once.h"
671	#endif
672
673	/*
674	* Definition of our NOP statement Object-like macro
675	*/
676
677	#ifndef Curl_nop_stmt
678	# define Curl_nop_stmt do { } while(0)
679	#endif
680
681	/*
682	* Ensure that Winsock and lwIP TCP/IP stacks are not mixed.
683	*/
684
685	#if defined(__LWIP_OPT_H__) \|\| defined(LWIP_HDR_OPT_H)
686	# if defined(SOCKET) \|\| \
687	defined(USE_WINSOCK) \|\| \
688	defined(HAVE_WINSOCK2_H) \|\| \
689	defined(HAVE_WS2TCPIP_H)
690	# error "WinSock and lwIP TCP/IP stack definitions shall not coexist!"
691	# endif
692	#endif
693
694	/*
695	* shutdown() flags for systems that don't define them
696	*/
697
698	#ifndef SHUT_RD
699	#define SHUT_RD 0x00
700	#endif
701
702	#ifndef SHUT_WR
703	#define SHUT_WR 0x01
704	#endif
705
706	#ifndef SHUT_RDWR
707	#define SHUT_RDWR 0x02
708	#endif
709
710	/* Define S_ISREG if not defined by system headers, f.e. MSVC */
711	#if !defined(S_ISREG) && defined(S_IFMT) && defined(S_IFREG)
712	#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
713	#endif
714
715	/* Define S_ISDIR if not defined by system headers, f.e. MSVC */
716	#if !defined(S_ISDIR) && defined(S_IFMT) && defined(S_IFDIR)
717	#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
718	#endif
719
720	/* In Windows the default file mode is text but an application can override it.
721	Therefore we specify it explicitly. https://github.com/curl/curl/pull/258
722	*/
723	#if defined(WIN32) \|\| defined(MSDOS)
724	#define FOPEN_READTEXT "rt"
725	#define FOPEN_WRITETEXT "wt"
726	#define FOPEN_APPENDTEXT "at"
727	#elif defined(__CYGWIN__)
728	/* Cygwin has specific behavior we need to address when WIN32 is not defined.
729	https://cygwin.com/cygwin-ug-net/using-textbinary.html
730	For write we want our output to have line endings of LF and be compatible with
731	other Cygwin utilities. For read we want to handle input that may have line
732	endings either CRLF or LF so 't' is appropriate.
733	*/
734	#define FOPEN_READTEXT "rt"
735	#define FOPEN_WRITETEXT "w"
736	#define FOPEN_APPENDTEXT "a"
737	#else
738	#define FOPEN_READTEXT "r"
739	#define FOPEN_WRITETEXT "w"
740	#define FOPEN_APPENDTEXT "a"
741	#endif
742
743	/* WinSock destroys recv() buffer when send() failed.
744	* Enabled automatically for Windows and for Cygwin as Cygwin sockets are
745	* wrappers for WinSock sockets. https://github.com/curl/curl/issues/657
746	* Define DONT_USE_RECV_BEFORE_SEND_WORKAROUND to force disable workaround.
747	*/
748	#if !defined(DONT_USE_RECV_BEFORE_SEND_WORKAROUND)
749	# if defined(WIN32) \|\| defined(__CYGWIN__)
750	# define USE_RECV_BEFORE_SEND_WORKAROUND
751	# endif
752	#else /* DONT_USE_RECV_BEFORE_SEND_WORKAROUND */
753	# ifdef USE_RECV_BEFORE_SEND_WORKAROUND
754	# undef USE_RECV_BEFORE_SEND_WORKAROUND
755	# endif
756	#endif /* DONT_USE_RECV_BEFORE_SEND_WORKAROUND */
757
758	/* for systems that don't detect this in configure */
759	#ifndef CURL_SA_FAMILY_T
760	# if defined(HAVE_SA_FAMILY_T)
761	# define CURL_SA_FAMILY_T sa_family_t
762	# elif defined(HAVE_ADDRESS_FAMILY)
763	# define CURL_SA_FAMILY_T ADDRESS_FAMILY
764	# else
765	/* use a sensible default */
766	# define CURL_SA_FAMILY_T unsigned short
767	# endif
768	#endif
769
770	/* Some convenience macros to get the larger/smaller value out of two given.
771	We prefix with CURL to prevent name collisions. */
772	#define CURLMAX(x,y) ((x)>(y)?(x):(y))
773	#define CURLMIN(x,y) ((x)<(y)?(x):(y))
774
775	/* A convenience macro to provide both the string literal and the length of
776	the string literal in one go, useful for functions that take "string,len"
777	as their argument */
778	#define STRCONST(x) x,sizeof(x)-1
779
780	/* Some versions of the Android SDK is missing the declaration */
781	#if defined(HAVE_GETPWUID_R) && defined(HAVE_DECL_GETPWUID_R_MISSING)
782	struct passwd;
783	int getpwuid_r(uid_t uid, struct passwd pwd, char buf,
784	size_t buflen, struct passwd **result);
785	#endif
786
787	#ifdef DEBUGBUILD
788	#define UNITTEST
789	#else
790	#define UNITTEST static
791	#endif
792
793	#if defined(USE_NGHTTP2) \|\| defined(USE_HYPER)
794	#define USE_HTTP2
795	#endif
796
797	#if defined(USE_NGTCP2) \|\| defined(USE_QUICHE) \|\| defined(USE_MSH3)
798	#define ENABLE_QUIC
799	#endif
800
801	#if defined(USE_UNIX_SOCKETS) && defined(WIN32)
802	# if defined(__MINGW32__) && !defined(LUP_SECURE)
803	typedef u_short ADDRESS_FAMILY; /* Classic mingw, 11y+ old mingw-w64 */
804	# endif
805	# if !defined(UNIX_PATH_MAX)
806	/* Replicating logic present in afunix.h
807	(distributed with newer Windows 10 SDK versions only) */
808	# define UNIX_PATH_MAX 108
809	/* !checksrc! disable TYPEDEFSTRUCT 1 */
810	typedef struct sockaddr_un {
811	ADDRESS_FAMILY sun_family;
812	char sun_path[UNIX_PATH_MAX];
813	} SOCKADDR_UN, *PSOCKADDR_UN;
814	# define WIN32_SOCKADDR_UN
815	# endif
816	#endif
817
818	#endif /* HEADER_CURL_SETUP_H */

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