1 #ifndef HEADER_CURL_SETUP_H
2 #define HEADER_CURL_SETUP_H
3 /***************************************************************************
4  *                                  _   _ ____  _
5  *  Project                     ___| | | |  _ \| |
6  *                             / __| | | | |_) | |
7  *                            | (__| |_| |  _ <| |___
8  *                             \___|\___/|_| \_\_____|
9  *
10  * Copyright (C) 1998 - 2015, 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 /* Solaris needs this to get a POSIX-conformant getpwuid_r */
116 #if defined(sun) || defined(__sun)
117 #  ifndef _POSIX_PTHREAD_SEMANTICS
118 #    define _POSIX_PTHREAD_SEMANTICS 1
119 #  endif
120 #endif
121 
122 /* ================================================================ */
123 /*  If you need to include a system header file for your platform,  */
124 /*  please, do it beyond the point further indicated in this file.  */
125 /* ================================================================ */
126 
127 /*
128  * libcurl's external interface definitions are also used internally,
129  * and might also include required system header files to define them.
130  */
131 
132 #include <curl/curlbuild.h>
133 
134 /*
135  * Compile time sanity checks must also be done when building the library.
136  */
137 
138 #include <curl/curlrules.h>
139 
140 /*
141  * Ensure that no one is using the old SIZEOF_CURL_OFF_T macro
142  */
143 
144 #ifdef SIZEOF_CURL_OFF_T
145 #  error "SIZEOF_CURL_OFF_T shall not be defined!"
146    Error Compilation_aborted_SIZEOF_CURL_OFF_T_shall_not_be_defined
147 #endif
148 
149 /*
150  * Disable other protocols when http is the only one desired.
151  */
152 
153 #ifdef HTTP_ONLY
154 #  ifndef CURL_DISABLE_TFTP
155 #    define CURL_DISABLE_TFTP
156 #  endif
157 #  ifndef CURL_DISABLE_FTP
158 #    define CURL_DISABLE_FTP
159 #  endif
160 #  ifndef CURL_DISABLE_LDAP
161 #    define CURL_DISABLE_LDAP
162 #  endif
163 #  ifndef CURL_DISABLE_TELNET
164 #    define CURL_DISABLE_TELNET
165 #  endif
166 #  ifndef CURL_DISABLE_DICT
167 #    define CURL_DISABLE_DICT
168 #  endif
169 #  ifndef CURL_DISABLE_FILE
170 #    define CURL_DISABLE_FILE
171 #  endif
172 #  ifndef CURL_DISABLE_RTSP
173 #    define CURL_DISABLE_RTSP
174 #  endif
175 #  ifndef CURL_DISABLE_POP3
176 #    define CURL_DISABLE_POP3
177 #  endif
178 #  ifndef CURL_DISABLE_IMAP
179 #    define CURL_DISABLE_IMAP
180 #  endif
181 #  ifndef CURL_DISABLE_SMTP
182 #    define CURL_DISABLE_SMTP
183 #  endif
184 #  ifndef CURL_DISABLE_RTSP
185 #    define CURL_DISABLE_RTSP
186 #  endif
187 #  ifndef CURL_DISABLE_RTMP
188 #    define CURL_DISABLE_RTMP
189 #  endif
190 #  ifndef CURL_DISABLE_GOPHER
191 #    define CURL_DISABLE_GOPHER
192 #  endif
193 #  ifndef CURL_DISABLE_SMB
194 #    define CURL_DISABLE_SMB
195 #  endif
196 #endif
197 
198 /*
199  * When http is disabled rtsp is not supported.
200  */
201 
202 #if defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_RTSP)
203 #  define CURL_DISABLE_RTSP
204 #endif
205 
206 /* ================================================================ */
207 /* No system header file shall be included in this file before this */
208 /* point. The only allowed ones are those included from curlbuild.h */
209 /* ================================================================ */
210 
211 /*
212  * OS/400 setup file includes some system headers.
213  */
214 
215 #ifdef __OS400__
216 #  include "setup-os400.h"
217 #endif
218 
219 /*
220  * VMS setup file includes some system headers.
221  */
222 
223 #ifdef __VMS
224 #  include "setup-vms.h"
225 #endif
226 
227 /*
228  * Include header files for windows builds before redefining anything.
229  * Use this preprocessor block only to include or exclude windows.h,
230  * winsock2.h, ws2tcpip.h or winsock.h. Any other windows thing belongs
231  * to any other further and independent block.  Under Cygwin things work
232  * just as under linux (e.g. <sys/socket.h>) and the winsock headers should
233  * never be included when __CYGWIN__ is defined.  configure script takes
234  * care of this, not defining HAVE_WINDOWS_H, HAVE_WINSOCK_H, HAVE_WINSOCK2_H,
235  * neither HAVE_WS2TCPIP_H when __CYGWIN__ is defined.
236  */
237 
238 #ifdef HAVE_WINDOWS_H
239 #  if defined(UNICODE) && !defined(_UNICODE)
240 #    define _UNICODE
241 #  endif
242 #  if defined(_UNICODE) && !defined(UNICODE)
243 #    define UNICODE
244 #  endif
245 #  ifndef WIN32_LEAN_AND_MEAN
246 #    define WIN32_LEAN_AND_MEAN
247 #  endif
248 #  include <windows.h>
249 #  ifdef HAVE_WINSOCK2_H
250 #    include <winsock2.h>
251 #    ifdef HAVE_WS2TCPIP_H
252 #       include <ws2tcpip.h>
253 #    endif
254 #  else
255 #    ifdef HAVE_WINSOCK_H
256 #      include <winsock.h>
257 #    endif
258 #  endif
259 #  include <tchar.h>
260 #  ifdef UNICODE
261      typedef wchar_t *(*curl_wcsdup_callback)(const wchar_t *str);
262 #  endif
263 #endif
264 
265 /*
266  * Define USE_WINSOCK to 2 if we have and use WINSOCK2 API, else
267  * define USE_WINSOCK to 1 if we have and use WINSOCK  API, else
268  * undefine USE_WINSOCK.
269  */
270 
271 #undef USE_WINSOCK
272 
273 #ifdef HAVE_WINSOCK2_H
274 #  define USE_WINSOCK 2
275 #else
276 #  ifdef HAVE_WINSOCK_H
277 #    define USE_WINSOCK 1
278 #  endif
279 #endif
280 
281 #ifdef USE_LWIPSOCK
282 #  include <lwip/init.h>
283 #  include <lwip/sockets.h>
284 #  include <lwip/netdb.h>
285 #endif
286 
287 #ifdef HAVE_EXTRA_STRICMP_H
288 #  include <extra/stricmp.h>
289 #endif
290 
291 #ifdef HAVE_EXTRA_STRDUP_H
292 #  include <extra/strdup.h>
293 #endif
294 
295 #ifdef TPF
296 #  include <strings.h>    /* for bzero, strcasecmp, and strncasecmp */
297 #  include <string.h>     /* for strcpy and strlen */
298 #  include <stdlib.h>     /* for rand and srand */
299 #  include <sys/socket.h> /* for select and ioctl*/
300 #  include <netdb.h>      /* for in_addr_t definition */
301 #  include <tpf/sysapi.h> /* for tpf_process_signals */
302    /* change which select is used for libcurl */
303 #  define select(a,b,c,d,e) tpf_select_libcurl(a,b,c,d,e)
304 #endif
305 
306 #ifdef __VXWORKS__
307 #  include <sockLib.h>    /* for generic BSD socket functions */
308 #  include <ioLib.h>      /* for basic I/O interface functions */
309 #endif
310 
311 #ifdef __AMIGA__
312 #  ifndef __ixemul__
313 #    include <exec/types.h>
314 #    include <exec/execbase.h>
315 #    include <proto/exec.h>
316 #    include <proto/dos.h>
317 #    define select(a,b,c,d,e) WaitSelect(a,b,c,d,e,0)
318 #  endif
319 #endif
320 
321 #include <stdio.h>
322 #ifdef HAVE_ASSERT_H
323 #include <assert.h>
324 #endif
325 
326 #ifdef __TANDEM /* for nsr-tandem-nsk systems */
327 #include <floss.h>
328 #endif
329 
330 #ifndef STDC_HEADERS /* no standard C headers! */
331 #include <curl/stdcheaders.h>
332 #endif
333 
334 #ifdef __POCC__
335 #  include <sys/types.h>
336 #  include <unistd.h>
337 #  define sys_nerr EILSEQ
338 #endif
339 
340 /*
341  * Salford-C kludge section (mostly borrowed from wxWidgets).
342  */
343 #ifdef __SALFORDC__
344   #pragma suppress 353             /* Possible nested comments */
345   #pragma suppress 593             /* Define not used */
346   #pragma suppress 61              /* enum has no name */
347   #pragma suppress 106             /* unnamed, unused parameter */
348   #include <clib.h>
349 #endif
350 
351 /*
352  * Large file (>2Gb) support using WIN32 functions.
353  */
354 
355 #ifdef USE_WIN32_LARGE_FILES
356 #  include <io.h>
357 #  include <sys/types.h>
358 #  include <sys/stat.h>
359 #  undef  lseek
360 #  define lseek(fdes,offset,whence)  _lseeki64(fdes, offset, whence)
361 #  undef  fstat
362 #  define fstat(fdes,stp)            _fstati64(fdes, stp)
363 #  undef  stat
364 #  define stat(fname,stp)            _stati64(fname, stp)
365 #  define struct_stat                struct _stati64
366 #  define LSEEK_ERROR                (__int64)-1
367 #endif
368 
369 /*
370  * Small file (<2Gb) support using WIN32 functions.
371  */
372 
373 #ifdef USE_WIN32_SMALL_FILES
374 #  include <io.h>
375 #  include <sys/types.h>
376 #  include <sys/stat.h>
377 #  ifndef _WIN32_WCE
378 #    undef  lseek
379 #    define lseek(fdes,offset,whence)  _lseek(fdes, (long)offset, whence)
380 #    define fstat(fdes,stp)            _fstat(fdes, stp)
381 #    define stat(fname,stp)            _stat(fname, stp)
382 #    define struct_stat                struct _stat
383 #  endif
384 #  define LSEEK_ERROR                (long)-1
385 #endif
386 
387 #ifndef struct_stat
388 #  define struct_stat struct stat
389 #endif
390 
391 #ifndef LSEEK_ERROR
392 #  define LSEEK_ERROR (off_t)-1
393 #endif
394 
395 /*
396  * Arg 2 type for gethostname in case it hasn't been defined in config file.
397  */
398 
399 #ifndef GETHOSTNAME_TYPE_ARG2
400 #  ifdef USE_WINSOCK
401 #    define GETHOSTNAME_TYPE_ARG2 int
402 #  else
403 #    define GETHOSTNAME_TYPE_ARG2 size_t
404 #  endif
405 #endif
406 
407 /* Below we define some functions. They should
408 
409    4. set the SIGALRM signal timeout
410    5. set dir/file naming defines
411    */
412 
413 #ifdef WIN32
414 
415 #  define DIR_CHAR      "\\"
416 #  define DOT_CHAR      "_"
417 
418 #else /* WIN32 */
419 
420 #  ifdef MSDOS  /* Watt-32 */
421 
422 #    include <sys/ioctl.h>
423 #    define select(n,r,w,x,t) select_s(n,r,w,x,t)
424 #    define ioctl(x,y,z) ioctlsocket(x,y,(char *)(z))
425 #    include <tcp.h>
426 #    ifdef word
427 #      undef word
428 #    endif
429 #    ifdef byte
430 #      undef byte
431 #    endif
432 
433 #  endif /* MSDOS */
434 
435 #  ifdef __minix
436      /* Minix 3 versions up to at least 3.1.3 are missing these prototypes */
437      extern char * strtok_r(char *s, const char *delim, char **last);
438      extern struct tm * gmtime_r(const time_t * const timep, struct tm *tmp);
439 #  endif
440 
441 #  define DIR_CHAR      "/"
442 #  ifndef DOT_CHAR
443 #    define DOT_CHAR      "."
444 #  endif
445 
446 #  ifdef MSDOS
447 #    undef DOT_CHAR
448 #    define DOT_CHAR      "_"
449 #  endif
450 
451 #  ifndef fileno /* sunos 4 have this as a macro! */
452      int fileno( FILE *stream);
453 #  endif
454 
455 #endif /* WIN32 */
456 
457 /*
458  * msvc 6.0 requires PSDK in order to have INET6_ADDRSTRLEN
459  * defined in ws2tcpip.h as well as to provide IPv6 support.
460  */
461 
462 #if defined(_MSC_VER) && !defined(__POCC__)
463 #  if !defined(HAVE_WS2TCPIP_H) || \
464      ((_MSC_VER < 1300) && !defined(INET6_ADDRSTRLEN))
465 #    undef HAVE_GETADDRINFO_THREADSAFE
466 #    undef HAVE_FREEADDRINFO
467 #    undef HAVE_GETADDRINFO
468 #    undef HAVE_GETNAMEINFO
469 #    undef ENABLE_IPV6
470 #  endif
471 #endif
472 
473 /* ---------------------------------------------------------------- */
474 /*             resolver specialty compile-time defines              */
475 /*         CURLRES_* defines to use in the host*.c sources          */
476 /* ---------------------------------------------------------------- */
477 
478 /*
479  * lcc-win32 doesn't have _beginthreadex(), lacks threads support.
480  */
481 
482 #if defined(__LCC__) && defined(WIN32)
483 #  undef USE_THREADS_POSIX
484 #  undef USE_THREADS_WIN32
485 #endif
486 
487 /*
488  * MSVC threads support requires a multi-threaded runtime library.
489  * _beginthreadex() is not available in single-threaded ones.
490  */
491 
492 #if defined(_MSC_VER) && !defined(__POCC__) && !defined(_MT)
493 #  undef USE_THREADS_POSIX
494 #  undef USE_THREADS_WIN32
495 #endif
496 
497 /*
498  * Mutually exclusive CURLRES_* definitions.
499  */
500 
501 #ifdef USE_ARES
502 #  define CURLRES_ASYNCH
503 #  define CURLRES_ARES
504 /* now undef the stock libc functions just to avoid them being used */
505 #  undef HAVE_GETADDRINFO
506 #  undef HAVE_GETHOSTBYNAME
507 #elif defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32)
508 #  define CURLRES_ASYNCH
509 #  define CURLRES_THREADED
510 #else
511 #  define CURLRES_SYNCH
512 #endif
513 
514 #ifdef ENABLE_IPV6
515 #  define CURLRES_IPV6
516 #else
517 #  define CURLRES_IPV4
518 #endif
519 
520 /* ---------------------------------------------------------------- */
521 
522 /*
523  * When using WINSOCK, TELNET protocol requires WINSOCK2 API.
524  */
525 
526 #if defined(USE_WINSOCK) && (USE_WINSOCK != 2)
527 #  define CURL_DISABLE_TELNET 1
528 #endif
529 
530 /*
531  * msvc 6.0 does not have struct sockaddr_storage and
532  * does not define IPPROTO_ESP in winsock2.h. But both
533  * are available if PSDK is properly installed.
534  */
535 
536 #if defined(_MSC_VER) && !defined(__POCC__)
537 #  if !defined(HAVE_WINSOCK2_H) || ((_MSC_VER < 1300) && !defined(IPPROTO_ESP))
538 #    undef HAVE_STRUCT_SOCKADDR_STORAGE
539 #  endif
540 #endif
541 
542 /*
543  * Intentionally fail to build when using msvc 6.0 without PSDK installed.
544  * The brave of heart can circumvent this, defining ALLOW_MSVC6_WITHOUT_PSDK
545  * in lib/config-win32.h although absolutely discouraged and unsupported.
546  */
547 
548 #if defined(_MSC_VER) && !defined(__POCC__)
549 #  if !defined(HAVE_WINDOWS_H) || ((_MSC_VER < 1300) && !defined(_FILETIME_))
550 #    if !defined(ALLOW_MSVC6_WITHOUT_PSDK)
551 #      error MSVC 6.0 requires "February 2003 Platform SDK" a.k.a. \
552              "Windows Server 2003 PSDK"
553 #    else
554 #      define CURL_DISABLE_LDAP 1
555 #    endif
556 #  endif
557 #endif
558 
559 #ifdef NETWARE
560 int netware_init(void);
561 #ifndef __NOVELL_LIBC__
562 #include <sys/bsdskt.h>
563 #include <sys/timeval.h>
564 #endif
565 #endif
566 
567 #if defined(HAVE_LIBIDN) && defined(HAVE_TLD_H)
568 /* The lib was present and the tld.h header (which is missing in libidn 0.3.X
569    but we only work with libidn 0.4.1 or later) */
570 #define USE_LIBIDN
571 #endif
572 
573 #define LIBIDN_REQUIRED_VERSION "0.4.1"
574 
575 #if defined(USE_GNUTLS) || defined(USE_OPENSSL) || defined(USE_NSS) || \
576     defined(USE_POLARSSL) || defined(USE_AXTLS) || \
577     defined(USE_CYASSL) || defined(USE_SCHANNEL) || \
578     defined(USE_DARWINSSL) || defined(USE_GSKIT)
579 #define USE_SSL    /* SSL support has been enabled */
580 #endif
581 
582 /* Single point where USE_SPNEGO definition might be defined */
583 #if !defined(CURL_DISABLE_CRYPTO_AUTH) && \
584     (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI))
585 #define USE_SPNEGO
586 #endif
587 
588 /* Single point where USE_KERBEROS5 definition might be defined */
589 #if !defined(CURL_DISABLE_CRYPTO_AUTH) && \
590     (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI))
591 #define USE_KERBEROS5
592 #endif
593 
594 /* Single point where USE_NTLM definition might be defined */
595 #if !defined(CURL_DISABLE_NTLM) && !defined(CURL_DISABLE_CRYPTO_AUTH)
596 #if defined(USE_OPENSSL) || defined(USE_WINDOWS_SSPI) || \
597     defined(USE_GNUTLS) || defined(USE_NSS) || defined(USE_DARWINSSL) || \
598     defined(USE_OS400CRYPTO) || defined(USE_WIN32_CRYPTO)
599 
600 #ifdef HAVE_BORINGSSL /* BoringSSL is not NTLM capable */
601 #undef USE_NTLM
602 #else
603 #define USE_NTLM
604 #endif
605 #endif
606 #endif
607 
608 /* non-configure builds may define CURL_WANTS_CA_BUNDLE_ENV */
609 #if defined(CURL_WANTS_CA_BUNDLE_ENV) && !defined(CURL_CA_BUNDLE)
610 #define CURL_CA_BUNDLE getenv("CURL_CA_BUNDLE")
611 #endif
612 
613 /*
614  * Provide a mechanism to silence picky compilers, such as gcc 4.6+.
615  * Parameters should of course normally not be unused, but for example when
616  * we have multiple implementations of the same interface it may happen.
617  */
618 
619 #if defined(__GNUC__) && ((__GNUC__ >= 3) || \
620   ((__GNUC__ == 2) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ >= 7)))
621 #  define UNUSED_PARAM __attribute__((__unused__))
622 #  define WARN_UNUSED_RESULT __attribute__((warn_unused_result))
623 #else
624 #  define UNUSED_PARAM /*NOTHING*/
625 #  define WARN_UNUSED_RESULT
626 #endif
627 
628 /*
629  * Include macros and defines that should only be processed once.
630  */
631 
632 #ifndef HEADER_CURL_SETUP_ONCE_H
633 #include "curl_setup_once.h"
634 #endif
635 
636 /*
637  * Definition of our NOP statement Object-like macro
638  */
639 
640 #ifndef Curl_nop_stmt
641 #  define Curl_nop_stmt do { } WHILE_FALSE
642 #endif
643 
644 /*
645  * Ensure that Winsock and lwIP TCP/IP stacks are not mixed.
646  */
647 
648 #if defined(__LWIP_OPT_H__)
649 #  if defined(SOCKET) || \
650      defined(USE_WINSOCK) || \
651      defined(HAVE_WINSOCK_H) || \
652      defined(HAVE_WINSOCK2_H) || \
653      defined(HAVE_WS2TCPIP_H)
654 #    error "Winsock and lwIP TCP/IP stack definitions shall not coexist!"
655 #  endif
656 #endif
657 
658 /*
659  * Portable symbolic names for Winsock shutdown() mode flags.
660  */
661 
662 #ifdef USE_WINSOCK
663 #  define SHUT_RD   0x00
664 #  define SHUT_WR   0x01
665 #  define SHUT_RDWR 0x02
666 #endif
667 
668 /* Define S_ISREG if not defined by system headers, f.e. MSVC */
669 #if !defined(S_ISREG) && defined(S_IFMT) && defined(S_IFREG)
670 #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
671 #endif
672 
673 /* Define S_ISDIR if not defined by system headers, f.e. MSVC */
674 #if !defined(S_ISDIR) && defined(S_IFMT) && defined(S_IFDIR)
675 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
676 #endif
677 
678 /* In Windows the default file mode is text but an application can override it.
679 Therefore we specify it explicitly. https://github.com/bagder/curl/pull/258
680 */
681 #if defined(WIN32) || defined(MSDOS)
682 #define FOPEN_READTEXT "rt"
683 #define FOPEN_WRITETEXT "wt"
684 #elif defined(__CYGWIN__)
685 /* Cygwin has specific behavior we need to address when WIN32 is not defined.
686 https://cygwin.com/cygwin-ug-net/using-textbinary.html
687 For write we want our output to have line endings of LF and be compatible with
688 other Cygwin utilities. For read we want to handle input that may have line
689 endings either CRLF or LF so 't' is appropriate.
690 */
691 #define FOPEN_READTEXT "rt"
692 #define FOPEN_WRITETEXT "w"
693 #else
694 #define FOPEN_READTEXT "r"
695 #define FOPEN_WRITETEXT "w"
696 #endif
697 
698 #endif /* HEADER_CURL_SETUP_H */
699