| /* |
| * 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 |
