4.4BSD/usr/src/contrib/bind-4.9/conf/portability.h
/* defs.h - include or define things that aren't present on all systems
* vixie@decwrl 26dec92 [new]
*
* $Id: portability.h,v 1.1 1993/06/01 00:45:28 vixie Exp vixie $
*/
/*
* ++Copyright++
* -
* Copyright (c) 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 University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* 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.
* -
* Portions Copyright (c) 1993 by Digital Equipment Corporation.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies, and that
* the name of Digital Equipment Corporation not be used in advertising or
* publicity pertaining to distribution of the document or software without
* specific, written prior permission.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
* CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
* -
* --Copyright--
*/
#include <string.h>
#include <sys/types.h>
#include <sys/param.h>
#ifdef __sgi
#define BSD 43
#define _POSIX_SOURCE
#define vfork fork
#define USE_SETSID
#endif
#if defined(host_mips) && defined(SYSTYPE_BSD43)
#define RISCOS_BSD
#endif
/* primative but it will do for now */
#if !defined(SYSV)
#define USE_WAIT3
#endif
#if defined(SYSV) || defined(ultrix) || (defined(BSD) && BSD >= 199306)
#define USE_UTIME
#endif
#if defined(BSD) && BSD >= 199006 && !defined(i386) && !defined(RISCOS_BSD)
#define HAVE_DAEMON
#endif
#if defined(_POSIX_SOURCE)
#include <stdlib.h>
#include <unistd.h>
#include <limits.h>
#else /*POSIX*/
#define STDERR_FILENO 2
extern char *getenv();
extern int errno;
#ifndef DMALLOC
extern char *malloc(), *realloc(), *calloc();
extern void free();
#endif
#endif /*POSIX*/
#ifndef UINT_MAX
#ifdef __STDC__
#define UINT_MAX 4294967295u /* max value of an "u_int" */
#else
#define UINT_MAX ((unsigned)4294967295) /* max value of an "u_int" */
#endif
#define ULONG_MAX UINT_MAX /* max decimal value of a "u_long" */
#endif
#ifndef INT_MAX
#define INT_MAX 2147483647 /* max decimal value of an "int" */
#endif
#ifndef IN_LOOPBACKNET
#define IN_LOOPBACKNET 127
#endif
#ifndef INADDR_NONE
#define INADDR_NONE 0xffffffff
#endif
#if !defined(__STDC__) && !defined(const)
#define const /*constant*/
#endif
#if (!defined(BSD) || (BSD <= 43)) && !defined(NeXT)
extern void syslog();
extern char *ctime();
extern int close(), setitimer(), recv(), sendto(), sigsetmask(),
atoi(), getpid(), fork(), read(), ioctl(),
setsockopt(), socket(), bind();
#endif
#if !defined(bcopy) /* some machines have their own macros for this */
#if !defined(BSD)
#define bcopy(a,b,c) memcpy(b,a,c)
#define bzero(a,b) memset(a,0,b)
#define bcmp(a,b,c) memcmp(a,b,c)
#else
extern int strcasecmp();
extern int bcmp();
extern void bcopy(), bzero();
#endif /* BSD */
#endif /* bcopy */
#if (!defined(BSD) || (BSD < 43) || defined(RISCOS_BSD)) && !defined(_POSIX_SOURCE)
#define NEED_STRERROR
#endif
#if (!defined(BSD) || (BSD < 43)) && !defined(ultrix)
#define NEED_STRCASECMP
#define NEED_STRTOUL
#endif
/*
* Attempt to configure for type of function returned by signal-catching
* functions (which signal and sigvec.sv_handler take a pointer to).
* This can guess for BSD; otherwise, define SIG_FN externally.
*/
#ifndef SIG_FN
#ifdef BSD
#if (BSD >= 199006) || defined(NeXT) || defined(__osf__)
#define SIG_FN void /* signal-catching functions return void */
#else
#define SIG_FN int /* signal-catching functions return int */
#endif
#else /* BSD */
#define SIG_FN void /* signal-catching functions return void */
#endif /* BSD */
#endif
#if !defined(ntohl) && !defined(htonl) && defined(BSD) && (BSD <= 43)
/* if these aren't null macros in netinet/in.h, extern them here. */
extern u_short htons(), ntohs();
extern u_long htonl(), ntohl();
#endif
#if defined(_POSIX_SOURCE) && !defined(sun) && !defined(__sgi)
#define PORT_NONBLOCK O_NONBLOCK
#define PORT_WOULDBLK EAGAIN
#else
#define PORT_NONBLOCK O_NDELAY
#define PORT_WOULDBLK EWOULDBLOCK
#endif
#if defined(_POSIX_SOURCE)
#define USE_SETSID
#endif
#if defined(__osf__) || (defined(BSD) && (BSD > 43) && !defined(RISCOS_BSD))
typedef int WAIT_T;
#else
typedef union wait WAIT_T;
#endif
#if (!defined(WEXITSTATUS)) || (!defined(WTERMSIG))
#define WEXITSTATUS(x) (x).w_retcode
#define WTERMSIG(x) (x).w_termsig
#endif