fee2cbd6
 amoreau
ajout des librairies
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/*
* Copyright (c) 1994, 1995, 1996
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the Computer Systems
* Engineering Group at Lawrence Berkeley Laboratory.
* 4. Neither the name of the University nor of the Laboratory may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef ftmacros_h
#define ftmacros_h
/*
* Define some feature test macros to make sure that everything we want
* to be declared gets declared.
*
* On some UN*Xes we need to force strtok_r() to be declared.
* We do *NOT* want to define _POSIX_C_SOURCE, as that tends
* to make non-POSIX APIs that we use unavailable.
* XXX - is there no portable way to say "please pollute the
* namespace to the maximum extent possible"?
*/
#if defined(sun) || defined(__sun)
#define __EXTENSIONS__
/*
* We also need to define _XPG4_2 in order to get
* the Single UNIX Specification version of
* recvmsg().
*/
#define _XPG4_2
#elif defined(_hpux) || defined(hpux) || defined(__hpux)
#define _REENTRANT
/*
* We need this to get the versions of socket functions that
* use socklen_t. Define it only if it's not already defined,
* so we don't get redefiniton warnings.
*/
#ifndef _XOPEN_SOURCE_EXTENDED
#define _XOPEN_SOURCE_EXTENDED
#endif
/*
* XXX - the list of PA-RISC options for GCC makes it sound as if
* building code that uses a particular vintage of UNIX API/ABI
* is complicated:
*
* https://gcc.gnu.org/onlinedocs/gcc/HPPA-Options.html
*
* See the description of the -munix flag.
*
* We probably want libpcap to work with programs built for any
* UN*X standard. I'm not sure whether that's possible and, if
* it is, what sort of stuff it'd have to do.
*
* It might also be a requirement that we build with a special
* flag to allow the library to be used with threaded code, at
* least with HP's C compiler; hopefully doing so won't make it
* *not* work with *un*-threaded code.
*/
#elif defined(__linux__) || defined(linux) || defined(__linux)
/*
* We can't turn _GNU_SOURCE on because some versions of GNU Libc
* will give the GNU version of strerror_r(), which returns a
* string pointer and doesn't necessarily fill in the buffer,
* rather than the standard version of strerror_r(), which
* returns 0 or an errno and always fills in the buffer. We
* require both of the latter behaviors.
*
* So we try turning everything else on that we can. This includes
* defining _XOPEN_SOURCE as 600, because we want to force crypt()
* to be declared on systems that use GNU libc, such as most Linux
* distributions.
*/
#define _POSIX_C_SOURCE 200809L
#define _XOPEN_SOURCE 600
/*
* We turn on both _DEFAULT_SOURCE and _BSD_SOURCE to try to get
* the BSD u_XXX types, such as u_int and u_short, defined. We
* define _DEFAULT_SOURCE first, so that newer versions of GNU libc
* don't whine about _BSD_SOURCE being deprecated; we still have
* to define _BSD_SOURCE to handle older versions of GNU libc that
* don't support _DEFAULT_SOURCE.
*/
#define _DEFAULT_SOURCE
#define _BSD_SOURCE
#endif
#endif
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