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Diffstat (limited to 'contrib/bind/conf/portability.h')
| -rw-r--r-- | contrib/bind/conf/portability.h | 595 |
1 files changed, 595 insertions, 0 deletions
diff --git a/contrib/bind/conf/portability.h b/contrib/bind/conf/portability.h new file mode 100644 index 0000000..388b5ff --- /dev/null +++ b/contrib/bind/conf/portability.h @@ -0,0 +1,595 @@ +/* portability.h - include or define things that aren't present on all systems + * vixie@decwrl 26dec92 [new] + * + * $Id: portability.h,v 8.14 1996/06/06 20:19:09 vixie Exp $ + */ + +/* + * ++Copyright++ + * - + * Copyright (c) + * 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 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-- + */ + +/* XXX: this file has become a hopeless morass, and will be redone someday. */ + +#include <string.h> +#include <signal.h> +#include <sys/types.h> +#include <sys/param.h> +#ifndef TIME_H_INCLUDED +# include <sys/time.h> +# define TIME_H_INCLUDED +#endif + +#ifdef ISC +# ifndef _POSIX_SOURCE +# define _POSIX_SOURCE +# endif +# define SYSV +# define SVR3 +# define _SYSV3 +# define NEED_STRTOUL +# define NEED_FTRUNCATE +# define USE_POSIX +# include <sys/bsdtypes.h> +# include <sys/sioctl.h> +# include <sys/stream.h> +# include <net/errno.h> +#endif + +#if defined(__convex__) +# if !defined(_POSIX_SOURCE) +# define _POSIX_SOURCE +# endif +# define USE_UTIME +# define NEED_PUTENV +#endif + +#if defined(_CRAY) +# if !defined(_POSIX_SOURCE) +# define _POSIX_SOURCE +# endif +# define writev(a,b,c) __writev(a,b,c) +# define setitimer(a,b,c) __setitimer(a,b,c) +#endif + +/* This is defined in the Makefile for ISC compiles. */ +#if defined(ISC) +# define ftruncate(a,b) __ftruncate(a,b) +# define USE_MEMCPY +# define USE_UTIME +# define HAVE_FCHMOD 0 +#endif + +/* SCO UNIX defines only this unique symbol, apparently. */ +#if defined(M_UNIX) +/* XXX - why is this POSIX_SOURCE instead of _POSIX_SOURCE? */ +# undef POSIX_SOURCE +# define POSIX_SIGNALS +# define HAVE_FCHMOD 0 +# define writev(a,b,c) __writev(a,b,c) +# define ftruncate(a,b) __ftruncate(a,b) +#endif + +#ifdef NeXT +# define NEED_PUTENV +# define NEED_SETENV +# define inet_addr(a) __inet_addr(a) +#endif + +#if defined(__sgi) +# define BSD 43 +# define vfork fork +#endif + +#if defined(SUNOS4) +# define BSD 43 +#endif + +#if defined(__osf__) && defined(__alpha) +# undef BSD +# define BSD 199103 +#endif + +#if defined(_AUX_SOURCE) +# define vfork fork +# define NEED_STRERROR +# define NEED_STRTOUL +# define SIG_FN void +# define USE_MEMCPY +#endif + + +#if defined(SVR4) && !defined(SYSV) +# define SYSV +#endif + +#if defined(_POSIX_SOURCE) || defined(__sgi) || defined(__ultrix) || \ + defined(__hpux) || (defined(BSD) && (BSD >= 199103)) || \ + (defined(sun) && defined(SYSV)) +# define USE_POSIX +#endif + +#if defined(__ultrix) && !defined(BSD) +# define BSD 42 +#endif + +#if defined(host_mips) && defined(SYSTYPE_BSD43) +# define RISCOS_BSD +#endif + +#if defined(SYSV) || defined(__ultrix) || defined(__osf__) \ + || (defined(BSD) && BSD >= 199306) || defined(linux) +# define USE_UTIME +# define HAVE_SETVBUF +#endif + +#if defined(SYSV) && !defined(SVR4) +# define vfork fork +#endif + +#if defined(sun) || defined(SVR4) +# define NETREAD_BROKEN +#endif + +#if defined(BSD) && BSD >= 199006 && !defined(i386) && !defined(RISCOS_BSD) +# define HAVE_DAEMON +#endif + +#if !defined(BSD) || (BSD <= 199006) +# if !defined(NeXT) +# define NEED_INETADDR +# endif +# define NEED_INETATON +#endif + +#if defined(__hpux) +# if defined(__STDC__) +# define select(a,b,c,d,e) select(a, (int *)b, (int *)c, (int *)d, e) +# define ctime(x) ctime((const time_t *)x) +# endif /*__STDC__*/ +# if !defined(SYSV) +# define USE_UTIME +# define setlinebuf(x) setvbuf(x, NULL, _IOLBF, BUFSIZ) +# if !defined(SIGWINCH) /*pre 9.0*/ +# define SIGWINCH SIGWINDOW +# endif +# endif /*SYSV*/ +/* XXX: better autodetection of the need for "struct linger" would be nice */ +# if 0 +struct linger { + int l_onoff; /* option on/off */ + int l_linger; /* linger time */ +}; +# endif +#endif /*__hpux*/ + +#if defined(_SEQUENT_) +# include <netinet/in_systm.h> +# define USE_UTIME +# define USE_POSIX +# define NEED_GETTIMEOFDAY +# define _TIMEZONE timezoneBSD +struct timezoneBSD { + int tz_minuteswest; + int tz_dsttime; +}; +#endif + +#ifndef __P +# if defined(__STDC__) || defined(__GNUC__) +# define __P(x) x +# else +# define __P(x) () +# endif +#endif + +#ifndef _TIMEZONE +# define _TIMEZONE timezone +#endif + +#if defined(USE_POSIX) +# include <stdlib.h> +# include <unistd.h> +# include <limits.h> +# if defined(__ultrix) +# define NEED_STRDUP +# endif + +#else + +# define NEED_STRTOUL +# define NEED_STRDUP + +# define STDIN_FILENO 0 +# define STDOUT_FILENO 1 +# define STDERR_FILENO 2 +# ifndef NeXT +extern char *getenv __P((char *)); +# else +extern char *getenv __P((const char *)); +# endif +extern int errno; + +# if !defined(DMALLOC) && !defined(NeXT) +extern char *malloc(), *realloc(), *calloc(); +# if defined(sun) +extern int free(); +# else +extern void free(); +# endif +# endif + +extern int getdtablesize __P((void)); +# ifdef SHORT_FNAMES +extern long pathconf __P((const char *path, int name)); +# endif + +#endif /*USE_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 RAND_MAX +# define RAND_MAX 0x7fffffff +#endif + +#ifndef IN_LOOPBACKNET +# define IN_LOOPBACKNET 127 +#endif + +#ifndef INADDR_NONE +# define INADDR_NONE 0xffffffff +#endif + +#if defined(apollo) + /* Defined in /usr/include/netinet/in.h but doesn't work */ +#undef IP_OPTIONS +#endif + +#if !defined(__STDC__) && !defined(const) +# define const /*constant*/ +#endif + +#if !defined(__convex__) && (!defined(BSD) || (BSD < 199103)) +int strcasecmp __P((const char *, const char *)); +#endif + +/* is USE_POSIX the right thing to use here? */ +#if (!defined(BSD) || (BSD <= 43)) && \ + !defined(NeXT) && \ + !defined(__convex__) && \ + !defined(USE_POSIX) +# if !defined(NCR) +extern void syslog(); +# endif +extern char *ctime __P((const time_t *clock)); +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(USE_POSIX) || \ + (defined(__STDC__) && !defined(sun) && !defined(sequent) \ + && !defined(M_UNIX)) +/* use ANSI C3.159-1989 (``ANSI C'') functions if possible; + * ideally we would change the code to use them and then + * define them in terms of bcopy et al if !defined(__STDC__) + * but that's more work. + */ +#if defined(USE_MEMCPY) +# define bcopy(a,b,c) memcpy(b,a,c) +#else +# define bcopy(a,b,c) memmove(b,a,c) +#endif +# define bzero(a,b) memset(a,0,b) +# define bcmp(a,b,c) memcmp(a,b,c) +# else +extern void bcopy(); +extern void bzero(); +extern int bcmp(); +# endif /* BSD */ +#endif /* bcopy */ + +#if (!defined(BSD) || (BSD < 43) || defined(RISCOS_BSD)) \ + && !defined(USE_POSIX) && !defined(apollo) && !defined(sequent) \ + && !defined(M_UNIX) +# define NEED_STRERROR +#if !defined(ultrix) && !defined(NCR) +# define NEED_PUTENV +#endif +#endif + +#if defined(SUNOS4) +# define NEED_STRERROR +# if defined(sun386) +# define pid_t int +# define NEED_STRCASECMP +# endif +#endif + +#if (!defined(BSD) || (BSD < 43)) +# define NEED_MKSTEMP +# if !defined(__ultrix) && !defined(apollo) +# define NEED_STRCASECMP +# define NEED_MKTEMP +# if !defined(SVR4) +# define NEED_STRPBRK +# endif +# endif +#endif + +#if defined(USE_POSIX) +# define POSIX_SIGNALS +#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__) || defined(sun) \ + || defined(__ultrix) || defined(apollo) || defined(POSIX_SIGNALS) +# 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(SIGUSR1) && !defined(SIGUSR2) +# define SIGUSR1 SIGEMT +# define SIGUSR2 SIGFPE +#endif +#if !defined(SIGCHLD) +# define SIGCHLD SIGCLD +#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(USE_POSIX) && !defined(sun) && !defined(__sgi) \ + && !defined(__convex__) && !defined(__ultrix) && !defined(_AUX_SOURCE) +# define PORT_NONBLOCK O_NONBLOCK +# define PORT_WOULDBLK EAGAIN +#else +# define PORT_NONBLOCK O_NDELAY +# define PORT_WOULDBLK EWOULDBLOCK +#endif + +#if defined(USE_POSIX) +# define USE_SETSID +#endif + +#if defined(USE_POSIX) || !defined(SYSV) +#define USE_WAITPID +#endif + +#if !defined(USE_POSIX) +#define waitpid(x,y,z) (wait3(y,z,(struct rusage *)NULL)) +#endif + +#if defined(NeXT) || defined(_AIX) || defined(sun386) +# undef WIFEXITED +# undef WEXITSTATUS +# undef WIFSIGNALED +# undef WTERMSIG +#endif /* NeXT */ + +#if defined(sequent) +#define WEXITSTATUS(x) ((x).w_retcode) +#define WTERMSIG(x) ((x).w_termsig) +#endif /* sequent */ + +#if !defined(WIFEXITED) +# define WIFEXITED(x) (!(x & 0177)) +#endif +#if !defined(WEXITSTATUS) +# define WEXITSTATUS(x) (x >> 8) +#endif +#if !defined(WIFSIGNALED) +# define WIFSIGNALED(x) ((x & 0177) && ((x & 0377) != 0177)) +#endif +#if !defined(WTERMSIG) +# define WTERMSIG(x) (x & 0177) +#endif + +#ifndef S_ISDIR +# ifndef S_IFMT +# define S_IFMT 0170000 +# endif +# ifndef S_IFDIR +# define S_IFDIR 0040000 +# endif +# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR) +#endif + +#ifndef S_ISREG +# ifndef S_IFMT +# define S_IFMT 0170000 +# endif +# ifndef S_IFREG +# define S_IFREG 0100000 +# endif +# define S_ISREG(m) ((m & S_IFMT) == S_IFREG) +#endif + +#ifndef S_ISFIFO +# ifndef S_IFMT +# define S_IFMT 0170000 +# endif +# ifndef S_IFIFO +# define S_IFIFO 0010000 +# endif +# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO) +#endif + +#if defined(NEED_STRTOUL) && \ + (defined(__ultrix) || defined(__osf__) || defined(NeXT)) +# undef NEED_STRTOUL +#endif + +#if defined(__ultrix) || defined(__osf__) +# define MAYBE_HESIOD +#endif + +#ifndef FD_SET +#define NFDBITS 32 +#define FD_SETSIZE 32 +#define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS))) +#define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS))) +#define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS))) +#define FD_ZERO(p) bzero((char *)(p), sizeof(*(p))) +#endif + +#ifndef MIN +# define MIN(x, y) ((x > y) ?y :x) +#endif +#ifndef MAX +# define MAX(x, y) ((x > y) ?x :y) +#endif + +#if !defined(PATH_MAX) +# if defined(_POSIX_PATH_MAX) +# define PATH_MAX _POSIX_PATH_MAX +# else +# if defined(MAXPATHLEN) +# define PATH_MAX MAXPATHLEN +# endif +# endif +#endif + +#if defined(BSD) || defined(__osf__) || defined(__convex__) +# define HAVE_GETRUSAGE +#endif + +/* May be set in the Makefile. */ +#if defined(HAVE_GETRUSAGE) +# include <sys/resource.h> +#endif + +/* + * Because Convex has true library function feof() which is + * patently wrong (it test bit _IOREAD) we need feof() as + * a macro. + */ +#if defined(__convex__) && !defined(feof) +# define feof(p) ((p)->_flag&_IOEOF) +#endif + +#if defined(M_UNIX) || defined(linux) +# define SPURIOUS_ECONNREFUSED +#endif + +/* + * Assume that a system has fchmod() unless something above says otherwise. + */ +#if !defined(HAVE_FCHMOD) +# define HAVE_FCHMOD 1 +#endif + + +/* + * Types needed for POSIX but missing on some systems. + */ +#if defined(SUNOS4) +typedef int ssize_t; +#endif + +/* + * We need to know the IPv6 address family number even on IPv4-only systems. + * Note that this is NOT a protocol constant, and that if the system has its + * own AF_INET6, different from ours below, all of BIND's libraries and + * executables will need to be recompiled after the system <sys/socket.h> + * has had this type added. The type number below is correct on most BSD- + * derived systems for which AF_INET6 is defined. + */ +#ifndef AF_INET6 +#define AF_INET6 24 +#endif + +/* + * Prototype the functions we'll be supplying. + */ +#ifdef NEED_PUTENV +extern int putenv __P((char *)); +#endif + +#ifdef NEED_GETTIMEOFDAY +extern int gettimeofday __P((struct timeval *, struct _TIMEZONE *)); +#endif + +#if defined(SVR4) && defined(sun) +extern int gethostname __P((char *, size_t)); +#endif + +#ifdef NEED_STRDUP +extern char *strdup __P((const char *)); +#endif |
