curl/lib/setup.h
Daniel Stenberg ee4ed46128 silence picky compilers: mark unused parameters
Modern gcc versions (4.6.X) get more picky by default and have started
to warn for unused parameters, but luckily gcc also allows us to mark
them as unused so that we can avoid the warnings.
2011-07-12 23:24:52 +02:00

601 lines
15 KiB
C

#ifndef HEADER_CURL_LIB_SETUP_H
#define HEADER_CURL_LIB_SETUP_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
/*
* Define WIN32 when build target is Win32 API
*/
#if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32) && \
!defined(__SYMBIAN32__)
#define WIN32
#endif
/*
* Include configuration script results or hand-crafted
* configuration file for platforms which lack config tool.
*/
#ifdef HAVE_CONFIG_H
#include "curl_config.h"
#else /* HAVE_CONFIG_H */
#ifdef _WIN32_WCE
# include "config-win32ce.h"
#else
# ifdef WIN32
# include "config-win32.h"
# endif
#endif
#if defined(macintosh) && defined(__MRC__)
# include "config-mac.h"
#endif
#ifdef __AMIGA__
# include "amigaos.h"
#endif
#ifdef __SYMBIAN32__
# include "config-symbian.h"
#endif
#ifdef __OS400__
# include "config-os400.h"
#endif
#ifdef TPF
# include "config-tpf.h"
#endif
#ifdef __VXWORKS__
# include "config-vxworks.h"
#endif
#endif /* HAVE_CONFIG_H */
/* ================================================================ */
/* Definition of preprocessor macros/symbols which modify compiler */
/* behavior or generated code characteristics must be done here, */
/* as appropriate, before any system header file is included. It is */
/* also possible to have them defined in the config file included */
/* before this point. As a result of all this we frown inclusion of */
/* system header files in our config files, avoid this at any cost. */
/* ================================================================ */
/*
* AIX 4.3 and newer needs _THREAD_SAFE defined to build
* proper reentrant code. Others may also need it.
*/
#ifdef NEED_THREAD_SAFE
# ifndef _THREAD_SAFE
# define _THREAD_SAFE
# endif
#endif
/*
* Tru64 needs _REENTRANT set for a few function prototypes and
* things to appear in the system header files. Unixware needs it
* to build proper reentrant code. Others may also need it.
*/
#ifdef NEED_REENTRANT
# ifndef _REENTRANT
# define _REENTRANT
# endif
#endif
/* ================================================================ */
/* If you need to include a system header file for your platform, */
/* please, do it beyond the point further indicated in this file. */
/* ================================================================ */
/*
* libcurl's external interface definitions are also used internally,
* and might also include required system header files to define them.
*/
#include <curl/curlbuild.h>
/*
* Compile time sanity checks must also be done when building the library.
*/
#include <curl/curlrules.h>
/*
* Ensure that no one is using the old SIZEOF_CURL_OFF_T macro
*/
#ifdef SIZEOF_CURL_OFF_T
# error "SIZEOF_CURL_OFF_T shall not be defined!"
Error Compilation_aborted_SIZEOF_CURL_OFF_T_shall_not_be_defined
#endif
/*
* Set up internal curl_off_t formatting string directives for
* exclusive use with libcurl's internal *printf functions.
*/
#ifdef FORMAT_OFF_T
# error "FORMAT_OFF_T shall not be defined before this point!"
Error Compilation_aborted_FORMAT_OFF_T_already_defined
#endif
#ifdef FORMAT_OFF_TU
# error "FORMAT_OFF_TU shall not be defined before this point!"
Error Compilation_aborted_FORMAT_OFF_TU_already_defined
#endif
#if (CURL_SIZEOF_CURL_OFF_T > CURL_SIZEOF_LONG)
# define FORMAT_OFF_T "lld"
# define FORMAT_OFF_TU "llu"
#else
# define FORMAT_OFF_T "ld"
# define FORMAT_OFF_TU "lu"
#endif
/*
* Disable other protocols when http is the only one desired.
*/
#ifdef HTTP_ONLY
# ifndef CURL_DISABLE_TFTP
# define CURL_DISABLE_TFTP
# endif
# ifndef CURL_DISABLE_FTP
# define CURL_DISABLE_FTP
# endif
# ifndef CURL_DISABLE_LDAP
# define CURL_DISABLE_LDAP
# endif
# ifndef CURL_DISABLE_TELNET
# define CURL_DISABLE_TELNET
# endif
# ifndef CURL_DISABLE_DICT
# define CURL_DISABLE_DICT
# endif
# ifndef CURL_DISABLE_FILE
# define CURL_DISABLE_FILE
# endif
# ifndef CURL_DISABLE_RTSP
# define CURL_DISABLE_RTSP
# endif
#endif
/*
* When http is disabled rtsp is not supported.
*/
#if defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_RTSP)
# define CURL_DISABLE_RTSP
#endif
/* ================================================================ */
/* No system header file shall be included in this file before this */
/* point. The only allowed ones are those included from curlbuild.h */
/* ================================================================ */
/*
* OS/400 setup file includes some system headers.
*/
#ifdef __OS400__
# include "setup-os400.h"
#endif
/*
* Include header files for windows builds before redefining anything.
* Use this preprocessor block only to include or exclude windows.h,
* winsock2.h, ws2tcpip.h or winsock.h. Any other windows thing belongs
* to any other further and independent block. Under Cygwin things work
* just as under linux (e.g. <sys/socket.h>) and the winsock headers should
* never be included when __CYGWIN__ is defined. configure script takes
* care of this, not defining HAVE_WINDOWS_H, HAVE_WINSOCK_H, HAVE_WINSOCK2_H,
* neither HAVE_WS2TCPIP_H when __CYGWIN__ is defined.
*/
#ifdef HAVE_WINDOWS_H
# ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
# endif
# include <windows.h>
# ifdef HAVE_WINSOCK2_H
# include <winsock2.h>
# ifdef HAVE_WS2TCPIP_H
# include <ws2tcpip.h>
# endif
# else
# ifdef HAVE_WINSOCK_H
# include <winsock.h>
# endif
# endif
#endif
/*
* Define USE_WINSOCK to 2 if we have and use WINSOCK2 API, else
* define USE_WINSOCK to 1 if we have and use WINSOCK API, else
* undefine USE_WINSOCK.
*/
#undef USE_WINSOCK
#ifdef HAVE_WINSOCK2_H
# define USE_WINSOCK 2
#else
# ifdef HAVE_WINSOCK_H
# define USE_WINSOCK 1
# endif
#endif
#ifdef HAVE_EXTRA_STRICMP_H
# include <extra/stricmp.h>
#endif
#ifdef HAVE_EXTRA_STRDUP_H
# include <extra/strdup.h>
#endif
#ifdef TPF
# include <strings.h> /* for bzero, strcasecmp, and strncasecmp */
# include <string.h> /* for strcpy and strlen */
# include <stdlib.h> /* for rand and srand */
# include <sys/socket.h> /* for select and ioctl*/
# include <netdb.h> /* for in_addr_t definition */
# include <tpf/sysapi.h> /* for tpf_process_signals */
/* change which select is used for libcurl */
# define select(a,b,c,d,e) tpf_select_libcurl(a,b,c,d,e)
#endif
#ifdef __VXWORKS__
# include <sockLib.h> /* for generic BSD socket functions */
# include <ioLib.h> /* for basic I/O interface functions */
#endif
#include <stdio.h>
#ifdef HAVE_ASSERT_H
#include <assert.h>
#endif
#include <errno.h>
#ifdef __TANDEM /* for nsr-tandem-nsk systems */
#include <floss.h>
#endif
#ifndef STDC_HEADERS /* no standard C headers! */
#include <curl/stdcheaders.h>
#endif
#ifdef __POCC__
# include <sys/types.h>
# include <unistd.h>
# define sys_nerr EILSEQ
#endif
/*
* Salford-C kludge section (mostly borrowed from wxWidgets).
*/
#ifdef __SALFORDC__
#pragma suppress 353 /* Possible nested comments */
#pragma suppress 593 /* Define not used */
#pragma suppress 61 /* enum has no name */
#pragma suppress 106 /* unnamed, unused parameter */
#include <clib.h>
#endif
/*
* Large file (>2Gb) support using WIN32 functions.
*/
#ifdef USE_WIN32_LARGE_FILES
# include <io.h>
# include <sys/types.h>
# include <sys/stat.h>
# define lseek(fdes,offset,whence) _lseeki64(fdes, offset, whence)
# define fstat(fdes,stp) _fstati64(fdes, stp)
# define stat(fname,stp) _stati64(fname, stp)
# define struct_stat struct _stati64
# define LSEEK_ERROR (__int64)-1
#endif
/*
* Small file (<2Gb) support using WIN32 functions.
*/
#ifdef USE_WIN32_SMALL_FILES
# include <io.h>
# include <sys/types.h>
# include <sys/stat.h>
# define lseek(fdes,offset,whence) _lseek(fdes, (long)offset, whence)
# define fstat(fdes,stp) _fstat(fdes, stp)
# define stat(fname,stp) _stat(fname, stp)
# define struct_stat struct _stat
# define LSEEK_ERROR (long)-1
#endif
#ifndef struct_stat
# define struct_stat struct stat
#endif
#ifndef LSEEK_ERROR
# define LSEEK_ERROR (off_t)-1
#endif
/*
* Default sizeof(off_t) in case it hasn't been defined in config file.
*/
#ifndef SIZEOF_OFF_T
# if defined(__VMS) && !defined(__VAX)
# if defined(_LARGEFILE)
# define SIZEOF_OFF_T 8
# endif
# elif defined(__OS400__) && defined(__ILEC400__)
# if defined(_LARGE_FILES)
# define SIZEOF_OFF_T 8
# endif
# elif defined(__MVS__) && defined(__IBMC__)
# if defined(_LP64) || defined(_LARGE_FILES)
# define SIZEOF_OFF_T 8
# endif
# elif defined(__370__) && defined(__IBMC__)
# if defined(_LP64) || defined(_LARGE_FILES)
# define SIZEOF_OFF_T 8
# endif
# endif
# ifndef SIZEOF_OFF_T
# define SIZEOF_OFF_T 4
# endif
#endif
/*
* Arg 2 type for gethostname in case it hasn't been defined in config file.
*/
#ifndef GETHOSTNAME_TYPE_ARG2
# ifdef USE_WINSOCK
# define GETHOSTNAME_TYPE_ARG2 int
# else
# define GETHOSTNAME_TYPE_ARG2 size_t
# endif
#endif
/* Below we define some functions. They should
4. set the SIGALRM signal timeout
5. set dir/file naming defines
*/
#ifdef WIN32
# define DIR_CHAR "\\"
# define DOT_CHAR "_"
#else /* WIN32 */
# ifdef MSDOS /* Watt-32 */
# include <sys/ioctl.h>
# define select(n,r,w,x,t) select_s(n,r,w,x,t)
# define ioctl(x,y,z) ioctlsocket(x,y,(char *)(z))
# include <tcp.h>
# ifdef word
# undef word
# endif
# ifdef byte
# undef byte
# endif
# endif /* MSDOS */
# ifdef __minix
/* Minix 3 versions up to at least 3.1.3 are missing these prototypes */
extern char * strtok_r(char *s, const char *delim, char **last);
extern struct tm * gmtime_r(const time_t * const timep, struct tm *tmp);
# endif
# define DIR_CHAR "/"
# ifndef DOT_CHAR
# define DOT_CHAR "."
# endif
# ifdef MSDOS
# undef DOT_CHAR
# define DOT_CHAR "_"
# endif
# ifndef fileno /* sunos 4 have this as a macro! */
int fileno( FILE *stream);
# endif
#endif /* WIN32 */
/*
* msvc 6.0 requires PSDK in order to have INET6_ADDRSTRLEN
* defined in ws2tcpip.h as well as to provide IPv6 support.
*/
#if defined(_MSC_VER) && !defined(__POCC__)
# if !defined(HAVE_WS2TCPIP_H) || \
((_MSC_VER < 1300) && !defined(INET6_ADDRSTRLEN))
# undef HAVE_GETADDRINFO_THREADSAFE
# undef HAVE_FREEADDRINFO
# undef HAVE_GETADDRINFO
# undef HAVE_GETNAMEINFO
# undef ENABLE_IPV6
# endif
#endif
/* ---------------------------------------------------------------- */
/* resolver specialty compile-time defines */
/* CURLRES_* defines to use in the host*.c sources */
/* ---------------------------------------------------------------- */
/*
* lcc-win32 doesn't have _beginthreadex(), lacks threads support.
*/
#if defined(__LCC__) && defined(WIN32)
# undef USE_THREADS_POSIX
# undef USE_THREADS_WIN32
#endif
/*
* MSVC threads support requires a multi-threaded runtime library.
* _beginthreadex() is not available in single-threaded ones.
*/
#if defined(_MSC_VER) && !defined(__POCC__) && !defined(_MT)
# undef USE_THREADS_POSIX
# undef USE_THREADS_WIN32
#endif
/*
* Mutually exclusive CURLRES_* definitions.
*/
#ifdef USE_ARES
# define CURLRES_ASYNCH
# define CURLRES_ARES
#elif defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32)
# define CURLRES_ASYNCH
# define CURLRES_THREADED
#else
# define CURLRES_SYNCH
#endif
#ifdef ENABLE_IPV6
# define CURLRES_IPV6
#else
# define CURLRES_IPV4
#endif
/* ---------------------------------------------------------------- */
/*
* When using WINSOCK, TELNET protocol requires WINSOCK2 API.
*/
#if defined(USE_WINSOCK) && (USE_WINSOCK != 2)
# define CURL_DISABLE_TELNET 1
#endif
/*
* msvc 6.0 does not have struct sockaddr_storage and
* does not define IPPROTO_ESP in winsock2.h. But both
* are available if PSDK is properly installed.
*/
#if defined(_MSC_VER) && !defined(__POCC__)
# if !defined(HAVE_WINSOCK2_H) || ((_MSC_VER < 1300) && !defined(IPPROTO_ESP))
# undef HAVE_STRUCT_SOCKADDR_STORAGE
# endif
#endif
/*
* Intentionally fail to build when using msvc 6.0 without PSDK installed.
* The brave of heart can circumvent this, defining ALLOW_MSVC6_WITHOUT_PSDK
* in lib/config-win32.h although absolutely discouraged and unsupported.
*/
#if defined(_MSC_VER) && !defined(__POCC__)
# if !defined(HAVE_WINDOWS_H) || ((_MSC_VER < 1300) && !defined(_FILETIME_))
# if !defined(ALLOW_MSVC6_WITHOUT_PSDK)
# error MSVC 6.0 requires "February 2003 Platform SDK" a.k.a. \
"Windows Server 2003 PSDK"
# else
# define CURL_DISABLE_LDAP 1
# endif
# endif
#endif
#ifdef NETWARE
int netware_init(void);
#ifndef __NOVELL_LIBC__
#include <sys/bsdskt.h>
#include <sys/timeval.h>
#endif
#endif
#if defined(HAVE_LIBIDN) && defined(HAVE_TLD_H)
/* The lib was present and the tld.h header (which is missing in libidn 0.3.X
but we only work with libidn 0.4.1 or later) */
#define USE_LIBIDN
#endif
#ifndef SIZEOF_TIME_T
/* assume default size of time_t to be 32 bit */
#define SIZEOF_TIME_T 4
#endif
#define LIBIDN_REQUIRED_VERSION "0.4.1"
#if defined(USE_GNUTLS) || defined(USE_SSLEAY) || defined(USE_NSS) || \
defined(USE_QSOSSL) || defined(USE_POLARSSL) || defined(USE_AXTLS) || \
defined(USE_CYASSL)
#define USE_SSL /* SSL support has been enabled */
#endif
#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
#define USE_HTTP_NEGOTIATE
#endif
#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_NTLM)
#if defined(USE_SSLEAY) || defined(USE_WINDOWS_SSPI) || \
defined(USE_GNUTLS) || defined(USE_NSS)
#define USE_NTLM
#endif
#endif
/* non-configure builds may define CURL_WANTS_CA_BUNDLE_ENV */
#if defined(CURL_WANTS_CA_BUNDLE_ENV) && !defined(CURL_CA_BUNDLE)
#define CURL_CA_BUNDLE getenv("CURL_CA_BUNDLE")
#endif
/* Define S_ISREG if not defined by system headers, f.e. MSVC */
#if !defined(S_ISREG) && defined(S_IFMT) && defined(S_IFREG)
#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
#endif
/* Provide a mechanism to silence picky compilers, such as gcc 4.6+.
Parameters should of course normally not be unused, but for example when we
have multiple implementations of the same interface it may happen. */
#ifndef __GNUC__
#define UNUSED_PARAM /*NOTHING*/
#else
#define UNUSED_PARAM __attribute__((unused))
#endif
/*
* Include macros and defines that should only be processed once.
*/
#ifndef __SETUP_ONCE_H
#include "setup_once.h"
#endif
#endif /* HEADER_CURL_LIB_SETUP_H */