defines.h revision 192595
1124208Sdes/*
2124208Sdes * Copyright (c) 1999-2003 Damien Miller.  All rights reserved.
3124208Sdes *
4124208Sdes * Redistribution and use in source and binary forms, with or without
5124208Sdes * modification, are permitted provided that the following conditions
6124208Sdes * are met:
7124208Sdes * 1. Redistributions of source code must retain the above copyright
8124208Sdes *    notice, this list of conditions and the following disclaimer.
9124208Sdes * 2. Redistributions in binary form must reproduce the above copyright
10124208Sdes *    notice, this list of conditions and the following disclaimer in the
11124208Sdes *    documentation and/or other materials provided with the distribution.
12124208Sdes *
13124208Sdes * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14124208Sdes * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15124208Sdes * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16124208Sdes * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17124208Sdes * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18124208Sdes * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19124208Sdes * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20124208Sdes * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21124208Sdes * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22124208Sdes * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23124208Sdes */
24124208Sdes
2598937Sdes#ifndef _DEFINES_H
2698937Sdes#define _DEFINES_H
2798937Sdes
28192595Sdes/* $Id: defines.h,v 1.153 2009/02/01 11:19:54 dtucker Exp $ */
2998937Sdes
3098937Sdes
3198937Sdes/* Constants */
3298937Sdes
33162852Sdes#if defined(HAVE_DECL_SHUT_RD) && HAVE_DECL_SHUT_RD == 0
3498937Sdesenum
3598937Sdes{
3698937Sdes  SHUT_RD = 0,		/* No more receptions.  */
3798937Sdes  SHUT_WR,			/* No more transmissions.  */
3898937Sdes  SHUT_RDWR			/* No more receptions or transmissions.  */
3998937Sdes};
4098937Sdes# define SHUT_RD   SHUT_RD
4198937Sdes# define SHUT_WR   SHUT_WR
4298937Sdes# define SHUT_RDWR SHUT_RDWR
4398937Sdes#endif
4498937Sdes
4598937Sdes#ifndef IPTOS_LOWDELAY
4698937Sdes# define IPTOS_LOWDELAY          0x10
4798937Sdes# define IPTOS_THROUGHPUT        0x08
4898937Sdes# define IPTOS_RELIABILITY       0x04
4998937Sdes# define IPTOS_LOWCOST           0x02
5098937Sdes# define IPTOS_MINCOST           IPTOS_LOWCOST
5198937Sdes#endif /* IPTOS_LOWDELAY */
5298937Sdes
5398937Sdes#ifndef MAXPATHLEN
5498937Sdes# ifdef PATH_MAX
5598937Sdes#  define MAXPATHLEN PATH_MAX
5698937Sdes# else /* PATH_MAX */
57149749Sdes#  define MAXPATHLEN 64
58149749Sdes/* realpath uses a fixed buffer of size MAXPATHLEN, so force use of ours */
59149749Sdes#  ifndef BROKEN_REALPATH
60149749Sdes#   define BROKEN_REALPATH 1
61149749Sdes#  endif /* BROKEN_REALPATH */
6298937Sdes# endif /* PATH_MAX */
6398937Sdes#endif /* MAXPATHLEN */
6498937Sdes
65149749Sdes#ifndef PATH_MAX
66149749Sdes# ifdef _POSIX_PATH_MAX
67149749Sdes# define PATH_MAX _POSIX_PATH_MAX
68149749Sdes# endif
69149749Sdes#endif
70149749Sdes
71181111Sdes#if defined(HAVE_DECL_MAXSYMLINKS) && HAVE_DECL_MAXSYMLINKS == 0
72149749Sdes# define MAXSYMLINKS 5
73149749Sdes#endif
74149749Sdes
7598937Sdes#ifndef STDIN_FILENO
7698937Sdes# define STDIN_FILENO    0
7798937Sdes#endif
7898937Sdes#ifndef STDOUT_FILENO
7998937Sdes# define STDOUT_FILENO   1
8098937Sdes#endif
8198937Sdes#ifndef STDERR_FILENO
8298937Sdes# define STDERR_FILENO   2
8398937Sdes#endif
8498937Sdes
8598937Sdes#ifndef NGROUPS_MAX	/* Disable groupaccess if NGROUP_MAX is not set */
8698937Sdes#ifdef NGROUPS
8798937Sdes#define NGROUPS_MAX NGROUPS
8898937Sdes#else
8998937Sdes#define NGROUPS_MAX 0
9098937Sdes#endif
9198937Sdes#endif
9298937Sdes
93162852Sdes#if defined(HAVE_DECL_O_NONBLOCK) && HAVE_DECL_O_NONBLOCK == 0
94162852Sdes# define O_NONBLOCK      00004	/* Non Blocking Open */
9598937Sdes#endif
9698937Sdes
9798937Sdes#ifndef S_ISDIR
9898937Sdes# define S_ISDIR(mode)	(((mode) & (_S_IFMT)) == (_S_IFDIR))
9998937Sdes#endif /* S_ISDIR */
10098937Sdes
101126274Sdes#ifndef S_ISREG
10298937Sdes# define S_ISREG(mode)	(((mode) & (_S_IFMT)) == (_S_IFREG))
10398937Sdes#endif /* S_ISREG */
10498937Sdes
10598937Sdes#ifndef S_ISLNK
10698937Sdes# define S_ISLNK(mode)	(((mode) & S_IFMT) == S_IFLNK)
10798937Sdes#endif /* S_ISLNK */
10898937Sdes
10998937Sdes#ifndef S_IXUSR
11098937Sdes# define S_IXUSR			0000100	/* execute/search permission, */
11198937Sdes# define S_IXGRP			0000010	/* execute/search permission, */
11298937Sdes# define S_IXOTH			0000001	/* execute/search permission, */
11398937Sdes# define _S_IWUSR			0000200	/* write permission, */
11498937Sdes# define S_IWUSR			_S_IWUSR	/* write permission, owner */
11598937Sdes# define S_IWGRP			0000020	/* write permission, group */
11698937Sdes# define S_IWOTH			0000002	/* write permission, other */
11798937Sdes# define S_IRUSR			0000400	/* read permission, owner */
11898937Sdes# define S_IRGRP			0000040	/* read permission, group */
11998937Sdes# define S_IROTH			0000004	/* read permission, other */
12098937Sdes# define S_IRWXU			0000700	/* read, write, execute */
12198937Sdes# define S_IRWXG			0000070	/* read, write, execute */
12298937Sdes# define S_IRWXO			0000007	/* read, write, execute */
12398937Sdes#endif /* S_IXUSR */
12498937Sdes
12598937Sdes#if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
12698937Sdes#define MAP_ANON MAP_ANONYMOUS
12798937Sdes#endif
12898937Sdes
12998937Sdes#ifndef MAP_FAILED
13098937Sdes# define MAP_FAILED ((void *)-1)
13198937Sdes#endif
13298937Sdes
13398937Sdes/* *-*-nto-qnx doesn't define this constant in the system headers */
13498937Sdes#ifdef MISSING_NFDBITS
13598937Sdes# define	NFDBITS (8 * sizeof(unsigned long))
13698937Sdes#endif
13798937Sdes
13898937Sdes/*
13998937SdesSCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but
14098937Sdesincluding rpc/rpc.h breaks Solaris 6
14198937Sdes*/
14298937Sdes#ifndef INADDR_LOOPBACK
143106121Sdes#define INADDR_LOOPBACK ((u_long)0x7f000001)
14498937Sdes#endif
14598937Sdes
14698937Sdes/* Types */
14798937Sdes
14898937Sdes/* If sys/types.h does not supply intXX_t, supply them ourselves */
14998937Sdes/* (or die trying) */
15098937Sdes
15198937Sdes#ifndef HAVE_U_INT
15298937Sdestypedef unsigned int u_int;
15398937Sdes#endif
15498937Sdes
15598937Sdes#ifndef HAVE_INTXX_T
15698937Sdes# if (SIZEOF_CHAR == 1)
15798937Sdestypedef char int8_t;
15898937Sdes# else
15998937Sdes#  error "8 bit int type not found."
16098937Sdes# endif
16198937Sdes# if (SIZEOF_SHORT_INT == 2)
16298937Sdestypedef short int int16_t;
16398937Sdes# else
164106121Sdes#  ifdef _UNICOS
16598937Sdes#   if (SIZEOF_SHORT_INT == 4)
16698937Sdestypedef short int16_t;
16798937Sdes#   else
16898937Sdestypedef long  int16_t;
16998937Sdes#   endif
17098937Sdes#  else
17198937Sdes#   error "16 bit int type not found."
172106121Sdes#  endif /* _UNICOS */
17398937Sdes# endif
17498937Sdes# if (SIZEOF_INT == 4)
17598937Sdestypedef int int32_t;
17698937Sdes# else
177106121Sdes#  ifdef _UNICOS
17898937Sdestypedef long  int32_t;
17998937Sdes#  else
18098937Sdes#   error "32 bit int type not found."
181106121Sdes#  endif /* _UNICOS */
18298937Sdes# endif
18398937Sdes#endif
18498937Sdes
18598937Sdes/* If sys/types.h does not supply u_intXX_t, supply them ourselves */
18698937Sdes#ifndef HAVE_U_INTXX_T
18798937Sdes# ifdef HAVE_UINTXX_T
18898937Sdestypedef uint8_t u_int8_t;
18998937Sdestypedef uint16_t u_int16_t;
19098937Sdestypedef uint32_t u_int32_t;
19198937Sdes# define HAVE_U_INTXX_T 1
19298937Sdes# else
19398937Sdes#  if (SIZEOF_CHAR == 1)
19498937Sdestypedef unsigned char u_int8_t;
19598937Sdes#  else
19698937Sdes#   error "8 bit int type not found."
19798937Sdes#  endif
19898937Sdes#  if (SIZEOF_SHORT_INT == 2)
19998937Sdestypedef unsigned short int u_int16_t;
20098937Sdes#  else
201106121Sdes#   ifdef _UNICOS
20298937Sdes#    if (SIZEOF_SHORT_INT == 4)
20398937Sdestypedef unsigned short u_int16_t;
20498937Sdes#    else
20598937Sdestypedef unsigned long  u_int16_t;
20698937Sdes#    endif
20798937Sdes#   else
20898937Sdes#    error "16 bit int type not found."
20998937Sdes#   endif
21098937Sdes#  endif
21198937Sdes#  if (SIZEOF_INT == 4)
21298937Sdestypedef unsigned int u_int32_t;
21398937Sdes#  else
214106121Sdes#   ifdef _UNICOS
21598937Sdestypedef unsigned long  u_int32_t;
21698937Sdes#   else
21798937Sdes#    error "32 bit int type not found."
21898937Sdes#   endif
21998937Sdes#  endif
22098937Sdes# endif
22198937Sdes#define __BIT_TYPES_DEFINED__
22298937Sdes#endif
22398937Sdes
22498937Sdes/* 64-bit types */
22598937Sdes#ifndef HAVE_INT64_T
22698937Sdes# if (SIZEOF_LONG_INT == 8)
22798937Sdestypedef long int int64_t;
22898937Sdes# else
22998937Sdes#  if (SIZEOF_LONG_LONG_INT == 8)
23098937Sdestypedef long long int int64_t;
23198937Sdes#  endif
23298937Sdes# endif
23398937Sdes#endif
23498937Sdes#ifndef HAVE_U_INT64_T
23598937Sdes# if (SIZEOF_LONG_INT == 8)
23698937Sdestypedef unsigned long int u_int64_t;
23798937Sdes# else
23898937Sdes#  if (SIZEOF_LONG_LONG_INT == 8)
23998937Sdestypedef unsigned long long int u_int64_t;
24098937Sdes#  endif
24198937Sdes# endif
24298937Sdes#endif
24398937Sdes
24498937Sdes#ifndef HAVE_U_CHAR
24598937Sdestypedef unsigned char u_char;
24698937Sdes# define HAVE_U_CHAR
24798937Sdes#endif /* HAVE_U_CHAR */
24898937Sdes
249106121Sdes#ifndef SIZE_T_MAX
250106121Sdes#define SIZE_T_MAX ULONG_MAX
251106121Sdes#endif /* SIZE_T_MAX */
252106121Sdes
25398937Sdes#ifndef HAVE_SIZE_T
25498937Sdestypedef unsigned int size_t;
25598937Sdes# define HAVE_SIZE_T
256126274Sdes# define SIZE_T_MAX UINT_MAX
25798937Sdes#endif /* HAVE_SIZE_T */
25898937Sdes
25998937Sdes#ifndef HAVE_SSIZE_T
26098937Sdestypedef int ssize_t;
26198937Sdes# define HAVE_SSIZE_T
26298937Sdes#endif /* HAVE_SSIZE_T */
26398937Sdes
26498937Sdes#ifndef HAVE_CLOCK_T
26598937Sdestypedef long clock_t;
26698937Sdes# define HAVE_CLOCK_T
26798937Sdes#endif /* HAVE_CLOCK_T */
26898937Sdes
26998937Sdes#ifndef HAVE_SA_FAMILY_T
27098937Sdestypedef int sa_family_t;
27198937Sdes# define HAVE_SA_FAMILY_T
27298937Sdes#endif /* HAVE_SA_FAMILY_T */
27398937Sdes
27498937Sdes#ifndef HAVE_PID_T
27598937Sdestypedef int pid_t;
27698937Sdes# define HAVE_PID_T
27798937Sdes#endif /* HAVE_PID_T */
27898937Sdes
27998937Sdes#ifndef HAVE_SIG_ATOMIC_T
28098937Sdestypedef int sig_atomic_t;
28198937Sdes# define HAVE_SIG_ATOMIC_T
28298937Sdes#endif /* HAVE_SIG_ATOMIC_T */
28398937Sdes
28498937Sdes#ifndef HAVE_MODE_T
28598937Sdestypedef int mode_t;
28698937Sdes# define HAVE_MODE_T
28798937Sdes#endif /* HAVE_MODE_T */
28898937Sdes
28998937Sdes#if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
29098937Sdes# define ss_family __ss_family
29198937Sdes#endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
29298937Sdes
29398937Sdes#ifndef HAVE_SYS_UN_H
29498937Sdesstruct	sockaddr_un {
29598937Sdes	short	sun_family;		/* AF_UNIX */
29698937Sdes	char	sun_path[108];		/* path name (gag) */
29798937Sdes};
29898937Sdes#endif /* HAVE_SYS_UN_H */
29998937Sdes
300146998Sdes#ifndef HAVE_IN_ADDR_T
301146998Sdestypedef u_int32_t	in_addr_t;
302146998Sdes#endif
303146998Sdes
30498937Sdes#if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
30598937Sdes#define _STRUCT_WINSIZE
30698937Sdesstruct winsize {
30798937Sdes      unsigned short ws_row;          /* rows, in characters */
30898937Sdes      unsigned short ws_col;          /* columns, in character */
30998937Sdes      unsigned short ws_xpixel;       /* horizontal size, pixels */
31098937Sdes      unsigned short ws_ypixel;       /* vertical size, pixels */
31198937Sdes};
31298937Sdes#endif
31398937Sdes
31498937Sdes/* *-*-nto-qnx does not define this type in the system headers */
31598937Sdes#ifdef MISSING_FD_MASK
31698937Sdes typedef unsigned long int	fd_mask;
31798937Sdes#endif
31898937Sdes
31998937Sdes/* Paths */
32098937Sdes
32198937Sdes#ifndef _PATH_BSHELL
32298937Sdes# define _PATH_BSHELL "/bin/sh"
32398937Sdes#endif
32498937Sdes
32598937Sdes#ifdef USER_PATH
32698937Sdes# ifdef _PATH_STDPATH
32798937Sdes#  undef _PATH_STDPATH
32898937Sdes# endif
32998937Sdes# define _PATH_STDPATH USER_PATH
33098937Sdes#endif
33198937Sdes
33298937Sdes#ifndef _PATH_STDPATH
33398937Sdes# define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
33498937Sdes#endif
33598937Sdes
336124208Sdes#ifndef SUPERUSER_PATH
337124208Sdes# define SUPERUSER_PATH	_PATH_STDPATH
338124208Sdes#endif
339124208Sdes
34098937Sdes#ifndef _PATH_DEVNULL
34198937Sdes# define _PATH_DEVNULL "/dev/null"
34298937Sdes#endif
34398937Sdes
34498937Sdes#ifndef MAIL_DIRECTORY
34598937Sdes# define MAIL_DIRECTORY "/var/spool/mail"
34698937Sdes#endif
34798937Sdes
34898937Sdes#ifndef MAILDIR
34998937Sdes# define MAILDIR MAIL_DIRECTORY
35098937Sdes#endif
35198937Sdes
35298937Sdes#if !defined(_PATH_MAILDIR) && defined(MAILDIR)
35398937Sdes# define _PATH_MAILDIR MAILDIR
35498937Sdes#endif /* !defined(_PATH_MAILDIR) && defined(MAILDIR) */
35598937Sdes
35698937Sdes#ifndef _PATH_NOLOGIN
35798937Sdes# define _PATH_NOLOGIN "/etc/nologin"
35898937Sdes#endif
35998937Sdes
36098937Sdes/* Define this to be the path of the xauth program. */
36198937Sdes#ifdef XAUTH_PATH
36298937Sdes#define _PATH_XAUTH XAUTH_PATH
36398937Sdes#endif /* XAUTH_PATH */
36498937Sdes
36598937Sdes/* derived from XF4/xc/lib/dps/Xlibnet.h */
36698937Sdes#ifndef X_UNIX_PATH
36798937Sdes#  ifdef __hpux
36898937Sdes#    define X_UNIX_PATH "/var/spool/sockets/X11/%u"
36998937Sdes#  else
37098937Sdes#    define X_UNIX_PATH "/tmp/.X11-unix/X%u"
37198937Sdes#  endif
37298937Sdes#endif /* X_UNIX_PATH */
37398937Sdes#define _PATH_UNIX_X X_UNIX_PATH
37498937Sdes
37598937Sdes#ifndef _PATH_TTY
37698937Sdes# define _PATH_TTY "/dev/tty"
37798937Sdes#endif
37898937Sdes
37998937Sdes/* Macros */
38098937Sdes
38198937Sdes#if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
38298937Sdes# define HAVE_LOGIN_CAP
38398937Sdes#endif
38498937Sdes
38598937Sdes#ifndef MAX
38698937Sdes# define MAX(a,b) (((a)>(b))?(a):(b))
38798937Sdes# define MIN(a,b) (((a)<(b))?(a):(b))
38898937Sdes#endif
38998937Sdes
39098937Sdes#ifndef roundup
39198937Sdes# define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
39298937Sdes#endif
39398937Sdes
39498937Sdes#ifndef timersub
39598937Sdes#define timersub(a, b, result)					\
39698937Sdes   do {								\
39798937Sdes      (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;		\
39898937Sdes      (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;		\
39998937Sdes      if ((result)->tv_usec < 0) {				\
40098937Sdes	 --(result)->tv_sec;					\
40198937Sdes	 (result)->tv_usec += 1000000;				\
40298937Sdes      }								\
40398937Sdes   } while (0)
40498937Sdes#endif
40598937Sdes
406113908Sdes#ifndef TIMEVAL_TO_TIMESPEC
407113908Sdes#define	TIMEVAL_TO_TIMESPEC(tv, ts) {					\
408113908Sdes	(ts)->tv_sec = (tv)->tv_sec;					\
409113908Sdes	(ts)->tv_nsec = (tv)->tv_usec * 1000;				\
410113908Sdes}
411113908Sdes#endif
412113908Sdes
413113908Sdes#ifndef TIMESPEC_TO_TIMEVAL
414113908Sdes#define	TIMESPEC_TO_TIMEVAL(tv, ts) {					\
415113908Sdes	(tv)->tv_sec = (ts)->tv_sec;					\
416113908Sdes	(tv)->tv_usec = (ts)->tv_nsec / 1000;				\
417113908Sdes}
418113908Sdes#endif
419113908Sdes
42098937Sdes#ifndef __P
42198937Sdes# define __P(x) x
42298937Sdes#endif
42398937Sdes
42498937Sdes#if !defined(IN6_IS_ADDR_V4MAPPED)
42598937Sdes# define IN6_IS_ADDR_V4MAPPED(a) \
42698937Sdes	((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
42798937Sdes	 (((u_int32_t *) (a))[2] == htonl (0xffff)))
42898937Sdes#endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
42998937Sdes
43098937Sdes#if !defined(__GNUC__) || (__GNUC__ < 2)
43198937Sdes# define __attribute__(x)
43298937Sdes#endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
43398937Sdes
434149749Sdes#if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
435149749Sdes# define __sentinel__
436149749Sdes#endif
437149749Sdes
438157016Sdes#if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
439157016Sdes# define __bounded__(x, y, z)
440157016Sdes#endif
441157016Sdes
442181111Sdes#if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
443181111Sdes# define __nonnull__(x)
444181111Sdes#endif
445181111Sdes
44698937Sdes/* *-*-nto-qnx doesn't define this macro in the system headers */
44798937Sdes#ifdef MISSING_HOWMANY
44898937Sdes# define howmany(x,y)	(((x)+((y)-1))/(y))
44998937Sdes#endif
45098937Sdes
45198937Sdes#ifndef OSSH_ALIGNBYTES
45298937Sdes#define OSSH_ALIGNBYTES	(sizeof(int) - 1)
45398937Sdes#endif
45498937Sdes#ifndef __CMSG_ALIGN
45598937Sdes#define	__CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
45698937Sdes#endif
45798937Sdes
45898937Sdes/* Length of the contents of a control message of length len */
45998937Sdes#ifndef CMSG_LEN
46098937Sdes#define	CMSG_LEN(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
46198937Sdes#endif
46298937Sdes
46398937Sdes/* Length of the space taken up by a padded control message of length len */
46498937Sdes#ifndef CMSG_SPACE
46598937Sdes#define	CMSG_SPACE(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
46698937Sdes#endif
46798937Sdes
468124208Sdes/* given pointer to struct cmsghdr, return pointer to data */
469124208Sdes#ifndef CMSG_DATA
470124208Sdes#define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
471124208Sdes#endif /* CMSG_DATA */
472124208Sdes
473124208Sdes/*
474124208Sdes * RFC 2292 requires to check msg_controllen, in case that the kernel returns
475124208Sdes * an empty list for some reasons.
476124208Sdes */
477124208Sdes#ifndef CMSG_FIRSTHDR
478124208Sdes#define CMSG_FIRSTHDR(mhdr) \
479124208Sdes	((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
480124208Sdes	 (struct cmsghdr *)(mhdr)->msg_control : \
481124208Sdes	 (struct cmsghdr *)NULL)
482124208Sdes#endif /* CMSG_FIRSTHDR */
483124208Sdes
484181111Sdes#if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0
485137015Sdes# define offsetof(type, member) ((size_t) &((type *)0)->member)
486137015Sdes#endif
487124208Sdes
488162852Sdes/* Set up BSD-style BYTE_ORDER definition if it isn't there already */
489162852Sdes/* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
490162852Sdes#ifndef BYTE_ORDER
491162852Sdes# ifndef LITTLE_ENDIAN
492162852Sdes#  define LITTLE_ENDIAN  1234
493162852Sdes# endif /* LITTLE_ENDIAN */
494162852Sdes# ifndef BIG_ENDIAN
495162852Sdes#  define BIG_ENDIAN     4321
496162852Sdes# endif /* BIG_ENDIAN */
497162852Sdes# ifdef WORDS_BIGENDIAN
498162852Sdes#  define BYTE_ORDER BIG_ENDIAN
499162852Sdes# else /* WORDS_BIGENDIAN */
500162852Sdes#  define BYTE_ORDER LITTLE_ENDIAN
501162852Sdes# endif /* WORDS_BIGENDIAN */
502162852Sdes#endif /* BYTE_ORDER */
503162852Sdes
50498937Sdes/* Function replacement / compatibility hacks */
50598937Sdes
50698937Sdes#if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
50798937Sdes# define HAVE_GETADDRINFO
50898937Sdes#endif
50998937Sdes
51098937Sdes#ifndef HAVE_GETOPT_OPTRESET
51199060Sdes# undef getopt
51299060Sdes# undef opterr
51399060Sdes# undef optind
51499060Sdes# undef optopt
51599060Sdes# undef optreset
51699060Sdes# undef optarg
51799060Sdes# define getopt(ac, av, o)  BSDgetopt(ac, av, o)
51899060Sdes# define opterr             BSDopterr
51999060Sdes# define optind             BSDoptind
52099060Sdes# define optopt             BSDoptopt
52199060Sdes# define optreset           BSDoptreset
52299060Sdes# define optarg             BSDoptarg
52398937Sdes#endif
52498937Sdes
52598937Sdes#if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
52698937Sdes# undef HAVE_GETADDRINFO
52798937Sdes#endif
52898937Sdes#if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
52998937Sdes# undef HAVE_FREEADDRINFO
53098937Sdes#endif
53198937Sdes#if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
53298937Sdes# undef HAVE_GAI_STRERROR
53398937Sdes#endif
53498937Sdes
535128456Sdes#if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
536128456Sdes# undef HAVE_UPDWTMPX
537128456Sdes#endif
538128456Sdes
539181111Sdes#if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE)
540181111Sdes# undef HAS_SHADOW_EXPIRE
541181111Sdes#endif
542181111Sdes
543162852Sdes#if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \
544162852Sdes    defined(SYSLOG_R_SAFE_IN_SIGHAND)
545162852Sdes# define DO_LOG_SAFE_IN_SIGHAND
546162852Sdes#endif
547162852Sdes
54898937Sdes#if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
54998937Sdes# define memmove(s1, s2, n) bcopy((s2), (s1), (n))
55098937Sdes#endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
55198937Sdes
55298937Sdes#if defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX)
55398937Sdes#  define USE_VHANGUP
55498937Sdes#endif /* defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX) */
55598937Sdes
55698937Sdes#ifndef GETPGRP_VOID
557162852Sdes# include <unistd.h>
55898937Sdes# define getpgrp() getpgrp(0)
55998937Sdes#endif
56098937Sdes
561146998Sdes#ifdef USE_BSM_AUDIT
562146998Sdes# define SSH_AUDIT_EVENTS
563146998Sdes# define CUSTOM_SSH_AUDIT_EVENTS
564146998Sdes#endif
565146998Sdes
56698937Sdes#if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
56798937Sdes#  define __func__ __FUNCTION__
56898937Sdes#elif !defined(HAVE___func__)
56998937Sdes#  define __func__ ""
57098937Sdes#endif
57198937Sdes
572124208Sdes#if defined(KRB5) && !defined(HEIMDAL)
573124208Sdes#  define krb5_get_err_text(context,code) error_message(code)
574124208Sdes#endif
575124208Sdes
576128456Sdes#if defined(SKEYCHALLENGE_4ARG)
577128456Sdes# define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c,d)
578128456Sdes#else
579128456Sdes# define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c)
580128456Sdes#endif
581128456Sdes
582126274Sdes/* Maximum number of file descriptors available */
583126274Sdes#ifdef HAVE_SYSCONF
584126274Sdes# define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
585126274Sdes#else
586126274Sdes# define SSH_SYSFDMAX 10000
587126274Sdes#endif
588126274Sdes
589181111Sdes#ifdef FSID_HAS_VAL
590181111Sdes/* encode f_fsid into a 64 bit value  */
591181111Sdes#define FSID_TO_ULONG(f) \
592181111Sdes	((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \
593181111Sdes	    ((f).val[1] & 0xffffffffUL))
594181111Sdes#else
595181111Sdes# define FSID_TO_ULONG(f) ((f))
596181111Sdes#endif
597181111Sdes
598149749Sdes#if defined(__Lynx__)
599149749Sdes /*
600149749Sdes  * LynxOS defines these in param.h which we do not want to include since
601149749Sdes  * it will also pull in a bunch of kernel definitions.
602149749Sdes  */
603149749Sdes# define ALIGNBYTES (sizeof(int) - 1)
604149749Sdes# define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
605149749Sdes  /* Missing prototypes on LynxOS */
606149749Sdes  int snprintf (char *, size_t, const char *, ...);
607149749Sdes  int mkstemp (char *);
608149749Sdes  char *crypt (const char *, const char *);
609149749Sdes  int seteuid (uid_t);
610149749Sdes  int setegid (gid_t);
611149749Sdes  char *mkdtemp (char *);
612149749Sdes  int rresvport_af (int *, sa_family_t);
613149749Sdes  int innetgr (const char *, const char *, const char *, const char *);
614149749Sdes#endif
615126274Sdes
61698937Sdes/*
61798937Sdes * Define this to use pipes instead of socketpairs for communicating with the
61898937Sdes * client program.  Socketpairs do not seem to work on all systems.
61998937Sdes *
62098937Sdes * configure.ac sets this for a few OS's which are known to have problems
62198937Sdes * but you may need to set it yourself
62298937Sdes */
62398937Sdes/* #define USE_PIPES 1 */
62498937Sdes
62598937Sdes/**
62698937Sdes ** login recorder definitions
62798937Sdes **/
62898937Sdes
62998937Sdes/* FIXME: put default paths back in */
63098937Sdes#ifndef UTMP_FILE
63198937Sdes#  ifdef _PATH_UTMP
63298937Sdes#    define UTMP_FILE _PATH_UTMP
63398937Sdes#  else
63498937Sdes#    ifdef CONF_UTMP_FILE
63598937Sdes#      define UTMP_FILE CONF_UTMP_FILE
63698937Sdes#    endif
63798937Sdes#  endif
63898937Sdes#endif
63998937Sdes#ifndef WTMP_FILE
64098937Sdes#  ifdef _PATH_WTMP
64198937Sdes#    define WTMP_FILE _PATH_WTMP
64298937Sdes#  else
64398937Sdes#    ifdef CONF_WTMP_FILE
64498937Sdes#      define WTMP_FILE CONF_WTMP_FILE
64598937Sdes#    endif
64698937Sdes#  endif
64798937Sdes#endif
64898937Sdes/* pick up the user's location for lastlog if given */
64998937Sdes#ifndef LASTLOG_FILE
65098937Sdes#  ifdef _PATH_LASTLOG
65198937Sdes#    define LASTLOG_FILE _PATH_LASTLOG
65298937Sdes#  else
65398937Sdes#    ifdef CONF_LASTLOG_FILE
65498937Sdes#      define LASTLOG_FILE CONF_LASTLOG_FILE
65598937Sdes#    endif
65698937Sdes#  endif
65798937Sdes#endif
65898937Sdes
659126274Sdes#if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
660126274Sdes# define USE_SHADOW
661126274Sdes#endif
66298937Sdes
66398937Sdes/* The login() library function in libutil is first choice */
66498937Sdes#if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
66598937Sdes#  define USE_LOGIN
66698937Sdes
66798937Sdes#else
66898937Sdes/* Simply select your favourite login types. */
66998937Sdes/* Can't do if-else because some systems use several... <sigh> */
67098937Sdes#  if defined(UTMPX_FILE) && !defined(DISABLE_UTMPX)
67198937Sdes#    define USE_UTMPX
67298937Sdes#  endif
67398937Sdes#  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
67498937Sdes#    define USE_UTMP
67598937Sdes#  endif
67698937Sdes#  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
67798937Sdes#    define USE_WTMPX
67898937Sdes#  endif
67998937Sdes#  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
68098937Sdes#    define USE_WTMP
68198937Sdes#  endif
68298937Sdes
68398937Sdes#endif
68498937Sdes
685128456Sdes#ifndef UT_LINESIZE
686128456Sdes# define UT_LINESIZE 8
687128456Sdes#endif
688128456Sdes
68998937Sdes/* I hope that the presence of LASTLOG_FILE is enough to detect this */
69098937Sdes#if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
69198937Sdes#  define USE_LASTLOG
69298937Sdes#endif
69398937Sdes
694128456Sdes#ifdef HAVE_OSF_SIA
695128456Sdes# ifdef USE_SHADOW
696128456Sdes#  undef USE_SHADOW
697128456Sdes# endif
698128456Sdes# define CUSTOM_SYS_AUTH_PASSWD 1
699128456Sdes#endif
700128456Sdes
701192595Sdes#if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE)
702149749Sdes# define CUSTOM_SYS_AUTH_PASSWD 1
703149749Sdes#endif
704181111Sdes#if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF)
705181111Sdes# define USE_LIBIAF
706181111Sdes#endif
707149749Sdes
708146998Sdes/* HP-UX 11.11 */
709146998Sdes#ifdef BTMP_FILE
710146998Sdes# define _PATH_BTMP BTMP_FILE
711146998Sdes#endif
712146998Sdes
713146998Sdes#if defined(USE_BTMP) && defined(_PATH_BTMP)
714146998Sdes# define CUSTOM_FAILED_LOGIN
715146998Sdes#endif
716146998Sdes
71798937Sdes/** end of login recorder definitions */
71898937Sdes
719149749Sdes#ifdef BROKEN_GETGROUPS
720149749Sdes# define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
721149749Sdes#endif
722149749Sdes
723149749Sdes#if defined(HAVE_MMAP) && defined(BROKEN_MMAP)
724149749Sdes# undef HAVE_MMAP
725149749Sdes#endif
726149749Sdes
727162852Sdes#ifndef IOV_MAX
728162852Sdes# if defined(_XOPEN_IOV_MAX)
729162852Sdes#  define	IOV_MAX		_XOPEN_IOV_MAX
730162852Sdes# elif defined(DEF_IOV_MAX)
731162852Sdes#  define	IOV_MAX		DEF_IOV_MAX
732162852Sdes# else
733162852Sdes#  define	IOV_MAX		16
734162852Sdes# endif
735157016Sdes#endif
736157016Sdes
737181111Sdes#ifndef EWOULDBLOCK
738181111Sdes# define EWOULDBLOCK EAGAIN
739181111Sdes#endif
740181111Sdes
741192595Sdes#ifndef INET6_ADDRSTRLEN	/* for non IPv6 machines */
742192595Sdes#define INET6_ADDRSTRLEN 46
743192595Sdes#endif
744192595Sdes
74598937Sdes#endif /* _DEFINES_H */
746