1#ifndef HEADER_CURL_SETUP_H
2#define HEADER_CURL_SETUP_H
3/***************************************************************************
4 *                                  _   _ ____  _
5 *  Project                     ___| | | |  _ \| |
6 *                             / __| | | | |_) | |
7 *                            | (__| |_| |  _ <| |___
8 *                             \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) 1998 - 2013, 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 http://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/*
26 * Define WIN32 when build target is Win32 API
27 */
28
29#if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32) && \
30    !defined(__SYMBIAN32__)
31#define WIN32
32#endif
33
34/*
35 * Include configuration script results or hand-crafted
36 * configuration file for platforms which lack config tool.
37 */
38
39#ifdef HAVE_CONFIG_H
40
41#include "curl_config.h"
42
43#else /* HAVE_CONFIG_H */
44
45#ifdef _WIN32_WCE
46#  include "config-win32ce.h"
47#else
48#  ifdef WIN32
49#    include "config-win32.h"
50#  endif
51#endif
52
53#if defined(macintosh) && defined(__MRC__)
54#  include "config-mac.h"
55#endif
56
57#ifdef __riscos__
58#  include "config-riscos.h"
59#endif
60
61#ifdef __AMIGA__
62#  include "config-amigaos.h"
63#endif
64
65#ifdef __SYMBIAN32__
66#  include "config-symbian.h"
67#endif
68
69#ifdef __OS400__
70#  include "config-os400.h"
71#endif
72
73#ifdef TPF
74#  include "config-tpf.h"
75#endif
76
77#ifdef __VXWORKS__
78#  include "config-vxworks.h"
79#endif
80
81#endif /* HAVE_CONFIG_H */
82
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/*
93 * AIX 4.3 and newer needs _THREAD_SAFE defined to build
94 * proper reentrant code. Others may also need it.
95 */
96
97#ifdef NEED_THREAD_SAFE
98#  ifndef _THREAD_SAFE
99#    define _THREAD_SAFE
100#  endif
101#endif
102
103/*
104 * Tru64 needs _REENTRANT set for a few function prototypes and
105 * things to appear in the system header files. Unixware needs it
106 * to build proper reentrant code. Others may also need it.
107 */
108
109#ifdef NEED_REENTRANT
110#  ifndef _REENTRANT
111#    define _REENTRANT
112#  endif
113#endif
114
115/* ================================================================ */
116/*  If you need to include a system header file for your platform,  */
117/*  please, do it beyond the point further indicated in this file.  */
118/* ================================================================ */
119
120/*
121 * libcurl's external interface definitions are also used internally,
122 * and might also include required system header files to define them.
123 */
124
125#include <curl/curlbuild.h>
126
127/*
128 * Compile time sanity checks must also be done when building the library.
129 */
130
131#include <curl/curlrules.h>
132
133/*
134 * Ensure that no one is using the old SIZEOF_CURL_OFF_T macro
135 */
136
137#ifdef SIZEOF_CURL_OFF_T
138#  error "SIZEOF_CURL_OFF_T shall not be defined!"
139   Error Compilation_aborted_SIZEOF_CURL_OFF_T_shall_not_be_defined
140#endif
141
142/*
143 * Set up internal curl_off_t formatting string directives for
144 * exclusive use with libcurl's internal *printf functions.
145 */
146
147#ifdef FORMAT_OFF_T
148#  error "FORMAT_OFF_T shall not be defined before this point!"
149   Error Compilation_aborted_FORMAT_OFF_T_already_defined
150#endif
151
152#ifdef FORMAT_OFF_TU
153#  error "FORMAT_OFF_TU shall not be defined before this point!"
154   Error Compilation_aborted_FORMAT_OFF_TU_already_defined
155#endif
156
157#if (CURL_SIZEOF_CURL_OFF_T > CURL_SIZEOF_LONG)
158#  define FORMAT_OFF_T  "lld"
159#  define FORMAT_OFF_TU "llu"
160#else
161#  define FORMAT_OFF_T  "ld"
162#  define FORMAT_OFF_TU "lu"
163#endif
164
165/*
166 * Disable other protocols when http is the only one desired.
167 */
168
169#ifdef HTTP_ONLY
170#  ifndef CURL_DISABLE_TFTP
171#    define CURL_DISABLE_TFTP
172#  endif
173#  ifndef CURL_DISABLE_FTP
174#    define CURL_DISABLE_FTP
175#  endif
176#  ifndef CURL_DISABLE_LDAP
177#    define CURL_DISABLE_LDAP
178#  endif
179#  ifndef CURL_DISABLE_TELNET
180#    define CURL_DISABLE_TELNET
181#  endif
182#  ifndef CURL_DISABLE_DICT
183#    define CURL_DISABLE_DICT
184#  endif
185#  ifndef CURL_DISABLE_FILE
186#    define CURL_DISABLE_FILE
187#  endif
188#  ifndef CURL_DISABLE_RTSP
189#    define CURL_DISABLE_RTSP
190#  endif
191#  ifndef CURL_DISABLE_POP3
192#    define CURL_DISABLE_POP3
193#  endif
194#  ifndef CURL_DISABLE_IMAP
195#    define CURL_DISABLE_IMAP
196#  endif
197#  ifndef CURL_DISABLE_SMTP
198#    define CURL_DISABLE_SMTP
199#  endif
200#  ifndef CURL_DISABLE_RTSP
201#    define CURL_DISABLE_RTSP
202#  endif
203#  ifndef CURL_DISABLE_RTMP
204#    define CURL_DISABLE_RTMP
205#  endif
206#  ifndef CURL_DISABLE_GOPHER
207#    define CURL_DISABLE_GOPHER
208#  endif
209#endif
210
211/*
212 * When http is disabled rtsp is not supported.
213 */
214
215#if defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_RTSP)
216#  define CURL_DISABLE_RTSP
217#endif
218
219/* ================================================================ */
220/* No system header file shall be included in this file before this */
221/* point. The only allowed ones are those included from curlbuild.h */
222/* ================================================================ */
223
224/*
225 * OS/400 setup file includes some system headers.
226 */
227
228#ifdef __OS400__
229#  include "setup-os400.h"
230#endif
231
232/*
233 * VMS setup file includes some system headers.
234 */
235
236#ifdef __VMS
237#  include "setup-vms.h"
238#endif
239
240/*
241 * Include header files for windows builds before redefining anything.
242 * Use this preprocessor block only to include or exclude windows.h,
243 * winsock2.h, ws2tcpip.h or winsock.h. Any other windows thing belongs
244 * to any other further and independent block.  Under Cygwin things work
245 * just as under linux (e.g. <sys/socket.h>) and the winsock headers should
246 * never be included when __CYGWIN__ is defined.  configure script takes
247 * care of this, not defining HAVE_WINDOWS_H, HAVE_WINSOCK_H, HAVE_WINSOCK2_H,
248 * neither HAVE_WS2TCPIP_H when __CYGWIN__ is defined.
249 */
250
251#ifdef HAVE_WINDOWS_H
252#  if defined(UNICODE) && !defined(_UNICODE)
253#    define _UNICODE
254#  endif
255#  if defined(_UNICODE) && !defined(UNICODE)
256#    define UNICODE
257#  endif
258#  ifndef WIN32_LEAN_AND_MEAN
259#    define WIN32_LEAN_AND_MEAN
260#  endif
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   typedef wchar_t *(*curl_wcsdup_callback)(const wchar_t *str);
274#endif
275
276/*
277 * Define USE_WINSOCK to 2 if we have and use WINSOCK2 API, else
278 * define USE_WINSOCK to 1 if we have and use WINSOCK  API, else
279 * undefine USE_WINSOCK.
280 */
281
282#undef USE_WINSOCK
283
284#ifdef HAVE_WINSOCK2_H
285#  define USE_WINSOCK 2
286#else
287#  ifdef HAVE_WINSOCK_H
288#    define USE_WINSOCK 1
289#  endif
290#endif
291
292#ifdef USE_LWIPSOCK
293#  include <lwip/init.h>
294#  include <lwip/sockets.h>
295#  include <lwip/netdb.h>
296#endif
297
298#ifdef HAVE_EXTRA_STRICMP_H
299#  include <extra/stricmp.h>
300#endif
301
302#ifdef HAVE_EXTRA_STRDUP_H
303#  include <extra/strdup.h>
304#endif
305
306#ifdef TPF
307#  include <strings.h>    /* for bzero, strcasecmp, and strncasecmp */
308#  include <string.h>     /* for strcpy and strlen */
309#  include <stdlib.h>     /* for rand and srand */
310#  include <sys/socket.h> /* for select and ioctl*/
311#  include <netdb.h>      /* for in_addr_t definition */
312#  include <tpf/sysapi.h> /* for tpf_process_signals */
313   /* change which select is used for libcurl */
314#  define select(a,b,c,d,e) tpf_select_libcurl(a,b,c,d,e)
315#endif
316
317#ifdef __VXWORKS__
318#  include <sockLib.h>    /* for generic BSD socket functions */
319#  include <ioLib.h>      /* for basic I/O interface functions */
320#endif
321
322#ifdef __AMIGA__
323#  ifndef __ixemul__
324#    include <exec/types.h>
325#    include <exec/execbase.h>
326#    include <proto/exec.h>
327#    include <proto/dos.h>
328#    define select(a,b,c,d,e) WaitSelect(a,b,c,d,e,0)
329#  endif
330#endif
331
332#include <stdio.h>
333#ifdef HAVE_ASSERT_H
334#include <assert.h>
335#endif
336
337#ifdef __TANDEM /* for nsr-tandem-nsk systems */
338#include <floss.h>
339#endif
340
341#ifndef STDC_HEADERS /* no standard C headers! */
342#include <curl/stdcheaders.h>
343#endif
344
345#ifdef __POCC__
346#  include <sys/types.h>
347#  include <unistd.h>
348#  define sys_nerr EILSEQ
349#endif
350
351/*
352 * Salford-C kludge section (mostly borrowed from wxWidgets).
353 */
354#ifdef __SALFORDC__
355  #pragma suppress 353             /* Possible nested comments */
356  #pragma suppress 593             /* Define not used */
357  #pragma suppress 61              /* enum has no name */
358  #pragma suppress 106             /* unnamed, unused parameter */
359  #include <clib.h>
360#endif
361
362/*
363 * Large file (>2Gb) support using WIN32 functions.
364 */
365
366#ifdef USE_WIN32_LARGE_FILES
367#  include <io.h>
368#  include <sys/types.h>
369#  include <sys/stat.h>
370#  undef  lseek
371#  define lseek(fdes,offset,whence)  _lseeki64(fdes, offset, whence)
372#  define fstat(fdes,stp)            _fstati64(fdes, stp)
373#  define stat(fname,stp)            _stati64(fname, stp)
374#  define struct_stat                struct _stati64
375#  define LSEEK_ERROR                (__int64)-1
376#endif
377
378/*
379 * Small file (<2Gb) support using WIN32 functions.
380 */
381
382#ifdef USE_WIN32_SMALL_FILES
383#  include <io.h>
384#  include <sys/types.h>
385#  include <sys/stat.h>
386#  ifndef _WIN32_WCE
387#    undef  lseek
388#    define lseek(fdes,offset,whence)  _lseek(fdes, (long)offset, whence)
389#    define fstat(fdes,stp)            _fstat(fdes, stp)
390#    define stat(fname,stp)            _stat(fname, stp)
391#    define struct_stat                struct _stat
392#  endif
393#  define LSEEK_ERROR                (long)-1
394#endif
395
396#ifndef struct_stat
397#  define struct_stat struct stat
398#endif
399
400#ifndef LSEEK_ERROR
401#  define LSEEK_ERROR (off_t)-1
402#endif
403
404/*
405 * Default sizeof(off_t) in case it hasn't been defined in config file.
406 */
407
408#ifndef SIZEOF_OFF_T
409#  if defined(__VMS) && !defined(__VAX)
410#    if defined(_LARGEFILE)
411#      define SIZEOF_OFF_T 8
412#    endif
413#  elif defined(__OS400__) && defined(__ILEC400__)
414#    if defined(_LARGE_FILES)
415#      define SIZEOF_OFF_T 8
416#    endif
417#  elif defined(__MVS__) && defined(__IBMC__)
418#    if defined(_LP64) || defined(_LARGE_FILES)
419#      define SIZEOF_OFF_T 8
420#    endif
421#  elif defined(__370__) && defined(__IBMC__)
422#    if defined(_LP64) || defined(_LARGE_FILES)
423#      define SIZEOF_OFF_T 8
424#    endif
425#  endif
426#  ifndef SIZEOF_OFF_T
427#    define SIZEOF_OFF_T 4
428#  endif
429#endif
430
431/*
432 * Arg 2 type for gethostname in case it hasn't been defined in config file.
433 */
434
435#ifndef GETHOSTNAME_TYPE_ARG2
436#  ifdef USE_WINSOCK
437#    define GETHOSTNAME_TYPE_ARG2 int
438#  else
439#    define GETHOSTNAME_TYPE_ARG2 size_t
440#  endif
441#endif
442
443/* Below we define some functions. They should
444
445   4. set the SIGALRM signal timeout
446   5. set dir/file naming defines
447   */
448
449#ifdef WIN32
450
451#  define DIR_CHAR      "\\"
452#  define DOT_CHAR      "_"
453
454#else /* WIN32 */
455
456#  ifdef MSDOS  /* Watt-32 */
457
458#    include <sys/ioctl.h>
459#    define select(n,r,w,x,t) select_s(n,r,w,x,t)
460#    define ioctl(x,y,z) ioctlsocket(x,y,(char *)(z))
461#    include <tcp.h>
462#    ifdef word
463#      undef word
464#    endif
465#    ifdef byte
466#      undef byte
467#    endif
468
469#  endif /* MSDOS */
470
471#  ifdef __minix
472     /* Minix 3 versions up to at least 3.1.3 are missing these prototypes */
473     extern char * strtok_r(char *s, const char *delim, char **last);
474     extern struct tm * gmtime_r(const time_t * const timep, struct tm *tmp);
475#  endif
476
477#  define DIR_CHAR      "/"
478#  ifndef DOT_CHAR
479#    define DOT_CHAR      "."
480#  endif
481
482#  ifdef MSDOS
483#    undef DOT_CHAR
484#    define DOT_CHAR      "_"
485#  endif
486
487#  ifndef fileno /* sunos 4 have this as a macro! */
488     int fileno( FILE *stream);
489#  endif
490
491#endif /* WIN32 */
492
493/*
494 * msvc 6.0 requires PSDK in order to have INET6_ADDRSTRLEN
495 * defined in ws2tcpip.h as well as to provide IPv6 support.
496 */
497
498#if defined(_MSC_VER) && !defined(__POCC__)
499#  if !defined(HAVE_WS2TCPIP_H) || \
500     ((_MSC_VER < 1300) && !defined(INET6_ADDRSTRLEN))
501#    undef HAVE_GETADDRINFO_THREADSAFE
502#    undef HAVE_FREEADDRINFO
503#    undef HAVE_GETADDRINFO
504#    undef HAVE_GETNAMEINFO
505#    undef ENABLE_IPV6
506#  endif
507#endif
508
509/* ---------------------------------------------------------------- */
510/*             resolver specialty compile-time defines              */
511/*         CURLRES_* defines to use in the host*.c sources          */
512/* ---------------------------------------------------------------- */
513
514/*
515 * lcc-win32 doesn't have _beginthreadex(), lacks threads support.
516 */
517
518#if defined(__LCC__) && defined(WIN32)
519#  undef USE_THREADS_POSIX
520#  undef USE_THREADS_WIN32
521#endif
522
523/*
524 * MSVC threads support requires a multi-threaded runtime library.
525 * _beginthreadex() is not available in single-threaded ones.
526 */
527
528#if defined(_MSC_VER) && !defined(__POCC__) && !defined(_MT)
529#  undef USE_THREADS_POSIX
530#  undef USE_THREADS_WIN32
531#endif
532
533/*
534 * Mutually exclusive CURLRES_* definitions.
535 */
536
537#ifdef USE_ARES
538#  define CURLRES_ASYNCH
539#  define CURLRES_ARES
540/* now undef the stock libc functions just to avoid them being used */
541#  undef HAVE_GETADDRINFO
542#  undef HAVE_GETHOSTBYNAME
543#elif defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32)
544#  define CURLRES_ASYNCH
545#  define CURLRES_THREADED
546#else
547#  define CURLRES_SYNCH
548#endif
549
550#ifdef ENABLE_IPV6
551#  define CURLRES_IPV6
552#else
553#  define CURLRES_IPV4
554#endif
555
556/* ---------------------------------------------------------------- */
557
558/*
559 * When using WINSOCK, TELNET protocol requires WINSOCK2 API.
560 */
561
562#if defined(USE_WINSOCK) && (USE_WINSOCK != 2)
563#  define CURL_DISABLE_TELNET 1
564#endif
565
566/*
567 * msvc 6.0 does not have struct sockaddr_storage and
568 * does not define IPPROTO_ESP in winsock2.h. But both
569 * are available if PSDK is properly installed.
570 */
571
572#if defined(_MSC_VER) && !defined(__POCC__)
573#  if !defined(HAVE_WINSOCK2_H) || ((_MSC_VER < 1300) && !defined(IPPROTO_ESP))
574#    undef HAVE_STRUCT_SOCKADDR_STORAGE
575#  endif
576#endif
577
578/*
579 * Intentionally fail to build when using msvc 6.0 without PSDK installed.
580 * The brave of heart can circumvent this, defining ALLOW_MSVC6_WITHOUT_PSDK
581 * in lib/config-win32.h although absolutely discouraged and unsupported.
582 */
583
584#if defined(_MSC_VER) && !defined(__POCC__)
585#  if !defined(HAVE_WINDOWS_H) || ((_MSC_VER < 1300) && !defined(_FILETIME_))
586#    if !defined(ALLOW_MSVC6_WITHOUT_PSDK)
587#      error MSVC 6.0 requires "February 2003 Platform SDK" a.k.a. \
588             "Windows Server 2003 PSDK"
589#    else
590#      define CURL_DISABLE_LDAP 1
591#    endif
592#  endif
593#endif
594
595#ifdef NETWARE
596int netware_init(void);
597#ifndef __NOVELL_LIBC__
598#include <sys/bsdskt.h>
599#include <sys/timeval.h>
600#endif
601#endif
602
603#if defined(HAVE_LIBIDN) && defined(HAVE_TLD_H)
604/* The lib was present and the tld.h header (which is missing in libidn 0.3.X
605   but we only work with libidn 0.4.1 or later) */
606#define USE_LIBIDN
607#endif
608
609#ifndef SIZEOF_TIME_T
610/* assume default size of time_t to be 32 bit */
611#define SIZEOF_TIME_T 4
612#endif
613
614#define LIBIDN_REQUIRED_VERSION "0.4.1"
615
616#if defined(USE_GNUTLS) || defined(USE_SSLEAY) || defined(USE_NSS) || \
617    defined(USE_QSOSSL) || defined(USE_POLARSSL) || defined(USE_AXTLS) || \
618    defined(USE_CYASSL) || defined(USE_SCHANNEL) || \
619    defined(USE_DARWINSSL)
620#define USE_SSL    /* SSL support has been enabled */
621#endif
622
623#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
624#define USE_HTTP_NEGOTIATE
625#endif
626
627/* Single point where USE_NTLM definition might be done */
628#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_NTLM)
629#if defined(USE_SSLEAY) || defined(USE_WINDOWS_SSPI) || \
630    defined(USE_GNUTLS) || defined(USE_NSS) || defined(USE_DARWINSSL)
631#define USE_NTLM
632#endif
633#endif
634
635/* non-configure builds may define CURL_WANTS_CA_BUNDLE_ENV */
636#if defined(CURL_WANTS_CA_BUNDLE_ENV) && !defined(CURL_CA_BUNDLE)
637#define CURL_CA_BUNDLE getenv("CURL_CA_BUNDLE")
638#endif
639
640/*
641 * Provide a mechanism to silence picky compilers, such as gcc 4.6+.
642 * Parameters should of course normally not be unused, but for example when
643 * we have multiple implementations of the same interface it may happen.
644 */
645
646#if defined(__GNUC__) && ((__GNUC__ >= 3) || \
647  ((__GNUC__ == 2) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ >= 7)))
648#  define UNUSED_PARAM __attribute__((__unused__))
649#else
650#  define UNUSED_PARAM /*NOTHING*/
651#endif
652
653/*
654 * Include macros and defines that should only be processed once.
655 */
656
657#ifndef HEADER_CURL_SETUP_ONCE_H
658#include "curl_setup_once.h"
659#endif
660
661/*
662 * Definition of our NOP statement Object-like macro
663 */
664
665#ifndef Curl_nop_stmt
666#  define Curl_nop_stmt do { } WHILE_FALSE
667#endif
668
669/*
670 * Ensure that Winsock and lwIP TCP/IP stacks are not mixed.
671 */
672
673#if defined(__LWIP_OPT_H__)
674#  if defined(SOCKET) || \
675     defined(USE_WINSOCK) || \
676     defined(HAVE_WINSOCK_H) || \
677     defined(HAVE_WINSOCK2_H) || \
678     defined(HAVE_WS2TCPIP_H)
679#    error "Winsock and lwIP TCP/IP stack definitions shall not coexist!"
680#  endif
681#endif
682
683/*
684 * Portable symbolic names for Winsock shutdown() mode flags.
685 */
686
687#ifdef USE_WINSOCK
688#  define SHUT_RD   0x00
689#  define SHUT_WR   0x01
690#  define SHUT_RDWR 0x02
691#endif
692
693/* Define S_ISREG if not defined by system headers, f.e. MSVC */
694#if !defined(S_ISREG) && defined(S_IFMT) && defined(S_IFREG)
695#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
696#endif
697
698/* Define S_ISDIR if not defined by system headers, f.e. MSVC */
699#if !defined(S_ISDIR) && defined(S_IFMT) && defined(S_IFDIR)
700#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
701#endif
702
703#endif /* HEADER_CURL_SETUP_H */
704