Adding upstream version 1:9.6p1.upstream/1%9.6p1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 945 insertions, 0 deletions

diff --git a/defines.h b/defines.h
new file mode 100644
index 0000000..279e509
--- /dev/null
+++ b/defines.h
@@ -0,0 +1,945 @@
+/*
+ * Copyright (c) 1999-2003 Damien Miller.  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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 _DEFINES_H
+#define _DEFINES_H
+
+/* Constants */
+
+#if defined(HAVE_DECL_SHUT_RD) && HAVE_DECL_SHUT_RD == 0
+enum
+{
+  SHUT_RD = 0,		/* No more receptions.  */
+  SHUT_WR,			/* No more transmissions.  */
+  SHUT_RDWR			/* No more receptions or transmissions.  */
+};
+# define SHUT_RD   SHUT_RD
+# define SHUT_WR   SHUT_WR
+# define SHUT_RDWR SHUT_RDWR
+#endif
+
+/*
+ * Cygwin doesn't really have a notion of reserved ports.  It is still
+ * is useful on the client side so for compatibility it defines as 1024 via
+ * netinet/in.h inside an enum.  We * don't actually want that restriction
+ * so we want to set that to zero, but we can't do it direct in config.h
+ * because it'll cause a conflicting definition the first time we include
+ * netinet/in.h.
+ */
+
+#ifdef HAVE_CYGWIN
+#define IPPORT_RESERVED 0
+#endif
+
+/*
+ * Definitions for IP type of service (ip_tos)
+ */
+#include <netinet/in_systm.h>
+#include <netinet/ip.h>
+#ifndef IPTOS_LOWDELAY
+# define IPTOS_LOWDELAY          0x10
+# define IPTOS_THROUGHPUT        0x08
+# define IPTOS_RELIABILITY       0x04
+# define IPTOS_LOWCOST           0x02
+# define IPTOS_MINCOST           IPTOS_LOWCOST
+#endif /* IPTOS_LOWDELAY */
+
+/*
+ * Definitions for DiffServ Codepoints as per RFCs 2474, 3246, 4594 & 8622.
+ * These are the 6 most significant bits as they appear on the wire, so the
+ * two least significant bits must be zero.
+ */
+#ifndef IPTOS_DSCP_AF11
+# define	IPTOS_DSCP_AF11		0x28
+# define	IPTOS_DSCP_AF12		0x30
+# define	IPTOS_DSCP_AF13		0x38
+# define	IPTOS_DSCP_AF21		0x48
+# define	IPTOS_DSCP_AF22		0x50
+# define	IPTOS_DSCP_AF23		0x58
+# define	IPTOS_DSCP_AF31		0x68
+# define	IPTOS_DSCP_AF32		0x70
+# define	IPTOS_DSCP_AF33		0x78
+# define	IPTOS_DSCP_AF41		0x88
+# define	IPTOS_DSCP_AF42		0x90
+# define	IPTOS_DSCP_AF43		0x98
+# define	IPTOS_DSCP_EF		0xb8
+#endif /* IPTOS_DSCP_AF11 */
+#ifndef IPTOS_DSCP_CS0
+# define	IPTOS_DSCP_CS0		0x00
+# define	IPTOS_DSCP_CS1		0x20
+# define	IPTOS_DSCP_CS2		0x40
+# define	IPTOS_DSCP_CS3		0x60
+# define	IPTOS_DSCP_CS4		0x80
+# define	IPTOS_DSCP_CS5		0xa0
+# define	IPTOS_DSCP_CS6		0xc0
+# define	IPTOS_DSCP_CS7		0xe0
+#endif /* IPTOS_DSCP_CS0 */
+#ifndef IPTOS_DSCP_EF
+# define	IPTOS_DSCP_EF		0xb8
+#endif /* IPTOS_DSCP_EF */
+#ifndef IPTOS_DSCP_LE
+# define	IPTOS_DSCP_LE		0x04
+#endif /* IPTOS_DSCP_LE */
+#ifndef IPTOS_PREC_CRITIC_ECP
+# define IPTOS_PREC_CRITIC_ECP		0xa0
+#endif
+#ifndef IPTOS_PREC_INTERNETCONTROL
+# define IPTOS_PREC_INTERNETCONTROL	0xc0
+#endif
+#ifndef IPTOS_PREC_NETCONTROL
+# define IPTOS_PREC_NETCONTROL		0xe0
+#endif
+
+#ifndef PATH_MAX
+# ifdef _POSIX_PATH_MAX
+# define PATH_MAX _POSIX_PATH_MAX
+# endif
+#endif
+
+#ifndef MAXPATHLEN
+# ifdef PATH_MAX
+#  define MAXPATHLEN PATH_MAX
+# else /* PATH_MAX */
+#  define MAXPATHLEN 64
+# endif /* PATH_MAX */
+#endif /* MAXPATHLEN */
+
+#ifndef HOST_NAME_MAX
+# include "netdb.h" /* for MAXHOSTNAMELEN */
+# if defined(_POSIX_HOST_NAME_MAX)
+#  define HOST_NAME_MAX _POSIX_HOST_NAME_MAX
+# elif defined(MAXHOSTNAMELEN)
+#  define HOST_NAME_MAX MAXHOSTNAMELEN
+# else
+#  define HOST_NAME_MAX	255
+# endif
+#endif /* HOST_NAME_MAX */
+
+#if defined(HAVE_DECL_MAXSYMLINKS) && HAVE_DECL_MAXSYMLINKS == 0
+# define MAXSYMLINKS 5
+#endif
+
+#ifndef STDIN_FILENO
+# define STDIN_FILENO    0
+#endif
+#ifndef STDOUT_FILENO
+# define STDOUT_FILENO   1
+#endif
+#ifndef STDERR_FILENO
+# define STDERR_FILENO   2
+#endif
+
+#ifndef NGROUPS_MAX	/* Disable groupaccess if NGROUP_MAX is not set */
+#ifdef NGROUPS
+#define NGROUPS_MAX NGROUPS
+#else
+#define NGROUPS_MAX 0
+#endif
+#endif
+
+#if defined(HAVE_DECL_O_NONBLOCK) && HAVE_DECL_O_NONBLOCK == 0
+# define O_NONBLOCK      00004	/* Non Blocking Open */
+#endif
+
+#ifndef S_IFSOCK
+# define S_IFSOCK 0
+#endif /* S_IFSOCK */
+
+#ifndef S_ISDIR
+# define S_ISDIR(mode)	(((mode) & (_S_IFMT)) == (_S_IFDIR))
+#endif /* S_ISDIR */
+
+#ifndef S_ISREG
+# define S_ISREG(mode)	(((mode) & (_S_IFMT)) == (_S_IFREG))
+#endif /* S_ISREG */
+
+#ifndef S_ISLNK
+# define S_ISLNK(mode)	(((mode) & S_IFMT) == S_IFLNK)
+#endif /* S_ISLNK */
+
+#ifndef S_IXUSR
+# define S_IXUSR			0000100	/* execute/search permission, */
+# define S_IXGRP			0000010	/* execute/search permission, */
+# define S_IXOTH			0000001	/* execute/search permission, */
+# define _S_IWUSR			0000200	/* write permission, */
+# define S_IWUSR			_S_IWUSR	/* write permission, owner */
+# define S_IWGRP			0000020	/* write permission, group */
+# define S_IWOTH			0000002	/* write permission, other */
+# define S_IRUSR			0000400	/* read permission, owner */
+# define S_IRGRP			0000040	/* read permission, group */
+# define S_IROTH			0000004	/* read permission, other */
+# define S_IRWXU			0000700	/* read, write, execute */
+# define S_IRWXG			0000070	/* read, write, execute */
+# define S_IRWXO			0000007	/* read, write, execute */
+#endif /* S_IXUSR */
+
+#if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
+#define MAP_ANON MAP_ANONYMOUS
+#endif
+
+#ifndef MAP_FAILED
+# define MAP_FAILED ((void *)-1)
+#endif
+
+/*
+SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but
+including rpc/rpc.h breaks Solaris 6
+*/
+#ifndef INADDR_LOOPBACK
+#define INADDR_LOOPBACK ((u_long)0x7f000001)
+#endif
+
+/* Types */
+
+/* If sys/types.h does not supply intXX_t, supply them ourselves */
+/* (or die trying) */
+
+#ifndef HAVE_U_INT
+typedef unsigned int u_int;
+#endif
+
+#ifndef HAVE_INTXX_T
+typedef signed char int8_t;
+# if (SIZEOF_SHORT_INT == 2)
+typedef short int int16_t;
+# else
+#   error "16 bit int type not found."
+# endif
+# if (SIZEOF_INT == 4)
+typedef int int32_t;
+# else
+#   error "32 bit int type not found."
+# endif
+#endif
+
+/* If sys/types.h does not supply u_intXX_t, supply them ourselves */
+#ifndef HAVE_U_INTXX_T
+# ifdef HAVE_UINTXX_T
+typedef uint8_t u_int8_t;
+typedef uint16_t u_int16_t;
+typedef uint32_t u_int32_t;
+# define HAVE_U_INTXX_T 1
+# else
+typedef unsigned char u_int8_t;
+#  if (SIZEOF_SHORT_INT == 2)
+typedef unsigned short int u_int16_t;
+#  else
+#    error "16 bit int type not found."
+#  endif
+#  if (SIZEOF_INT == 4)
+typedef unsigned int u_int32_t;
+#  else
+#    error "32 bit int type not found."
+#  endif
+# endif
+#define __BIT_TYPES_DEFINED__
+#endif
+
+#if !defined(LLONG_MIN) && defined(LONG_LONG_MIN)
+#define LLONG_MIN LONG_LONG_MIN
+#endif
+#if !defined(LLONG_MAX) && defined(LONG_LONG_MAX)
+#define LLONG_MAX LONG_LONG_MAX
+#endif
+
+#ifndef UINT32_MAX
+# if defined(HAVE_DECL_UINT32_MAX) && (HAVE_DECL_UINT32_MAX == 0)
+#  if (SIZEOF_INT == 4)
+#    define UINT32_MAX	UINT_MAX
+#  endif
+# endif
+#endif
+
+/* 64-bit types */
+#ifndef HAVE_INT64_T
+# if (SIZEOF_LONG_INT == 8)
+typedef long int int64_t;
+# else
+#  if (SIZEOF_LONG_LONG_INT == 8)
+typedef long long int int64_t;
+#  endif
+# endif
+#endif
+#ifndef HAVE_U_INT64_T
+# if (SIZEOF_LONG_INT == 8)
+typedef unsigned long int u_int64_t;
+# else
+#  if (SIZEOF_LONG_LONG_INT == 8)
+typedef unsigned long long int u_int64_t;
+#  endif
+# endif
+#endif
+
+#ifndef HAVE_UINTXX_T
+typedef u_int8_t uint8_t;
+typedef u_int16_t uint16_t;
+typedef u_int32_t uint32_t;
+typedef u_int64_t uint64_t;
+#endif
+
+#ifndef HAVE_INTMAX_T
+typedef long long intmax_t;
+#endif
+
+#ifndef HAVE_UINTMAX_T
+typedef unsigned long long uintmax_t;
+#endif
+
+#if SIZEOF_TIME_T == SIZEOF_LONG_LONG_INT
+# define SSH_TIME_T_MAX LLONG_MAX
+#else
+# define SSH_TIME_T_MAX INT_MAX
+#endif
+
+#ifndef HAVE_U_CHAR
+typedef unsigned char u_char;
+# define HAVE_U_CHAR
+#endif /* HAVE_U_CHAR */
+
+#ifndef ULLONG_MAX
+# define ULLONG_MAX ((unsigned long long)-1)
+#endif
+
+#ifndef SIZE_T_MAX
+#define SIZE_T_MAX ULONG_MAX
+#endif /* SIZE_T_MAX */
+
+#ifndef HAVE_SIZE_T
+typedef unsigned int size_t;
+# define HAVE_SIZE_T
+# define SIZE_T_MAX UINT_MAX
+#endif /* HAVE_SIZE_T */
+
+#ifndef SIZE_MAX
+#define SIZE_MAX SIZE_T_MAX
+#endif
+
+#ifndef INT32_MAX
+# if (SIZEOF_INT == 4)
+#  define INT32_MAX INT_MAX
+# elif (SIZEOF_LONG == 4)
+#  define INT32_MAX LONG_MAX
+# else
+#  error "need INT32_MAX"
+# endif
+#endif
+
+#ifndef INT64_MAX
+# if (SIZEOF_INT == 8)
+#  define INT64_MAX INT_MAX
+# elif (SIZEOF_LONG == 8)
+#  define INT64_MAX LONG_MAX
+# elif (SIZEOF_LONG_LONG_INT == 8)
+#  define INT64_MAX LLONG_MAX
+# else
+#  error "need INT64_MAX"
+# endif
+#endif
+
+#ifndef HAVE_SSIZE_T
+typedef int ssize_t;
+#define SSIZE_MAX INT_MAX
+# define HAVE_SSIZE_T
+#endif /* HAVE_SSIZE_T */
+
+#ifndef HAVE_CLOCK_T
+typedef long clock_t;
+# define HAVE_CLOCK_T
+#endif /* HAVE_CLOCK_T */
+
+#ifndef HAVE_SA_FAMILY_T
+typedef int sa_family_t;
+# define HAVE_SA_FAMILY_T
+#endif /* HAVE_SA_FAMILY_T */
+
+#ifndef HAVE_PID_T
+typedef int pid_t;
+# define HAVE_PID_T
+#endif /* HAVE_PID_T */
+
+#ifndef HAVE_SIG_ATOMIC_T
+typedef int sig_atomic_t;
+# define HAVE_SIG_ATOMIC_T
+#endif /* HAVE_SIG_ATOMIC_T */
+
+#ifndef HAVE_MODE_T
+typedef int mode_t;
+# define HAVE_MODE_T
+#endif /* HAVE_MODE_T */
+
+#if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
+# define ss_family __ss_family
+#endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
+
+#ifndef HAVE_SYS_UN_H
+struct	sockaddr_un {
+	short	sun_family;		/* AF_UNIX */
+	char	sun_path[108];		/* path name (gag) */
+};
+#endif /* HAVE_SYS_UN_H */
+
+#ifndef HAVE_IN_ADDR_T
+typedef u_int32_t	in_addr_t;
+#endif
+#ifndef HAVE_IN_PORT_T
+typedef u_int16_t	in_port_t;
+#endif
+
+#if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
+#define _STRUCT_WINSIZE
+struct winsize {
+      unsigned short ws_row;          /* rows, in characters */
+      unsigned short ws_col;          /* columns, in character */
+      unsigned short ws_xpixel;       /* horizontal size, pixels */
+      unsigned short ws_ypixel;       /* vertical size, pixels */
+};
+#endif
+
+/* bits needed for select that may not be in the system headers */
+#ifndef HAVE_FD_MASK
+ typedef unsigned long int	fd_mask;
+#endif
+
+#if defined(HAVE_DECL_NFDBITS) && HAVE_DECL_NFDBITS == 0
+# define	NFDBITS (8 * sizeof(unsigned long))
+#endif
+
+#if defined(HAVE_DECL_HOWMANY) && HAVE_DECL_HOWMANY == 0
+# define howmany(x,y)	(((x)+((y)-1))/(y))
+#endif
+
+/* Paths */
+
+#ifndef _PATH_BSHELL
+# define _PATH_BSHELL "/bin/sh"
+#endif
+
+#ifdef USER_PATH
+# ifdef _PATH_STDPATH
+#  undef _PATH_STDPATH
+# endif
+# define _PATH_STDPATH USER_PATH
+#endif
+
+#ifndef _PATH_STDPATH
+# define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
+#endif
+
+#ifndef SUPERUSER_PATH
+# define SUPERUSER_PATH	_PATH_STDPATH
+#endif
+
+#ifndef _PATH_DEVNULL
+# define _PATH_DEVNULL "/dev/null"
+#endif
+
+/* user may have set a different path */
+#if defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY)
+# undef _PATH_MAILDIR
+#endif /* defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) */
+
+#ifdef MAIL_DIRECTORY
+# define _PATH_MAILDIR MAIL_DIRECTORY
+#endif
+
+#ifndef _PATH_NOLOGIN
+# define _PATH_NOLOGIN "/etc/nologin"
+#endif
+
+/* Define this to be the path of the xauth program. */
+#ifdef XAUTH_PATH
+#define _PATH_XAUTH XAUTH_PATH
+#endif /* XAUTH_PATH */
+
+/* derived from XF4/xc/lib/dps/Xlibnet.h */
+#ifndef X_UNIX_PATH
+#  ifdef __hpux
+#    define X_UNIX_PATH "/var/spool/sockets/X11/%u"
+#  else
+#    define X_UNIX_PATH "/tmp/.X11-unix/X%u"
+#  endif
+#endif /* X_UNIX_PATH */
+#define _PATH_UNIX_X X_UNIX_PATH
+
+#ifndef _PATH_TTY
+# define _PATH_TTY "/dev/tty"
+#endif
+
+/* Macros */
+
+#if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
+# define HAVE_LOGIN_CAP
+#endif
+
+#ifndef MAX
+# define MAX(a,b) (((a)>(b))?(a):(b))
+# define MIN(a,b) (((a)<(b))?(a):(b))
+#endif
+
+#ifndef roundup
+# define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
+#endif
+
+#ifndef timersub
+#define timersub(a, b, result)					\
+   do {								\
+      (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;		\
+      (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;		\
+      if ((result)->tv_usec < 0) {				\
+	 --(result)->tv_sec;					\
+	 (result)->tv_usec += 1000000;				\
+      }								\
+   } while (0)
+#endif
+
+#ifndef TIMEVAL_TO_TIMESPEC
+#define	TIMEVAL_TO_TIMESPEC(tv, ts) {					\
+	(ts)->tv_sec = (tv)->tv_sec;					\
+	(ts)->tv_nsec = (tv)->tv_usec * 1000;				\
+}
+#endif
+
+#ifndef TIMESPEC_TO_TIMEVAL
+#define	TIMESPEC_TO_TIMEVAL(tv, ts) {					\
+	(tv)->tv_sec = (ts)->tv_sec;					\
+	(tv)->tv_usec = (ts)->tv_nsec / 1000;				\
+}
+#endif
+
+#ifndef timespeccmp
+#define timespeccmp(tsp, usp, cmp)					\
+	(((tsp)->tv_sec == (usp)->tv_sec) ?				\
+	    ((tsp)->tv_nsec cmp (usp)->tv_nsec) :			\
+	    ((tsp)->tv_sec cmp (usp)->tv_sec))
+#endif
+
+/* Operations on timespecs. */
+#ifndef timespecclear
+#define	timespecclear(tsp)		(tsp)->tv_sec = (tsp)->tv_nsec = 0
+#endif
+#ifndef timespeccmp
+#define	timespeccmp(tsp, usp, cmp)					\
+	(((tsp)->tv_sec == (usp)->tv_sec) ?				\
+	    ((tsp)->tv_nsec cmp (usp)->tv_nsec) :			\
+	    ((tsp)->tv_sec cmp (usp)->tv_sec))
+#endif
+#ifndef timespecadd
+#define	timespecadd(tsp, usp, vsp)					\
+	do {								\
+		(vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec;		\
+		(vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec;	\
+		if ((vsp)->tv_nsec >= 1000000000L) {			\
+			(vsp)->tv_sec++;				\
+			(vsp)->tv_nsec -= 1000000000L;			\
+		}							\
+	} while (0)
+#endif
+#ifndef timespecsub
+#define	timespecsub(tsp, usp, vsp)					\
+	do {								\
+		(vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec;		\
+		(vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec;	\
+		if ((vsp)->tv_nsec < 0) {				\
+			(vsp)->tv_sec--;				\
+			(vsp)->tv_nsec += 1000000000L;			\
+		}							\
+	} while (0)
+#endif
+
+#ifndef __P
+# define __P(x) x
+#endif
+
+#if !defined(IN6_IS_ADDR_V4MAPPED)
+# define IN6_IS_ADDR_V4MAPPED(a) \
+	((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
+	 (((u_int32_t *) (a))[2] == htonl (0xffff)))
+#endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
+
+#if !defined(__GNUC__) || (__GNUC__ < 2)
+# define __attribute__(x)
+#endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
+
+#if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
+# define __sentinel__
+#endif
+
+#if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
+# define __bounded__(x, y, z)
+#endif
+
+#if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
+# define __nonnull__(x)
+#endif
+
+#ifndef OSSH_ALIGNBYTES
+#define OSSH_ALIGNBYTES	(sizeof(int) - 1)
+#endif
+#ifndef __CMSG_ALIGN
+#define	__CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
+#endif
+
+/* Length of the contents of a control message of length len */
+#ifndef CMSG_LEN
+#define	CMSG_LEN(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
+#endif
+
+/* Length of the space taken up by a padded control message of length len */
+#ifndef CMSG_SPACE
+#define	CMSG_SPACE(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
+#endif
+
+/* given pointer to struct cmsghdr, return pointer to data */
+#ifndef CMSG_DATA
+#define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
+#endif /* CMSG_DATA */
+
+/*
+ * RFC 2292 requires to check msg_controllen, in case that the kernel returns
+ * an empty list for some reasons.
+ */
+#ifndef CMSG_FIRSTHDR
+#define CMSG_FIRSTHDR(mhdr) \
+	((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
+	 (struct cmsghdr *)(mhdr)->msg_control : \
+	 (struct cmsghdr *)NULL)
+#endif /* CMSG_FIRSTHDR */
+
+#if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0
+# define offsetof(type, member) ((size_t) &((type *)0)->member)
+#endif
+
+/* Set up BSD-style BYTE_ORDER definition if it isn't there already */
+/* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
+#ifndef BYTE_ORDER
+# ifndef LITTLE_ENDIAN
+#  define LITTLE_ENDIAN  1234
+# endif /* LITTLE_ENDIAN */
+# ifndef BIG_ENDIAN
+#  define BIG_ENDIAN     4321
+# endif /* BIG_ENDIAN */
+# ifdef WORDS_BIGENDIAN
+#  define BYTE_ORDER BIG_ENDIAN
+# else /* WORDS_BIGENDIAN */
+#  define BYTE_ORDER LITTLE_ENDIAN
+# endif /* WORDS_BIGENDIAN */
+#endif /* BYTE_ORDER */
+
+/* Function replacement / compatibility hacks */
+
+#if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
+# define HAVE_GETADDRINFO
+#endif
+
+#ifndef HAVE_GETOPT_OPTRESET
+# undef getopt
+# undef opterr
+# undef optind
+# undef optopt
+# undef optreset
+# undef optarg
+# define getopt(ac, av, o)  BSDgetopt(ac, av, o)
+# define opterr             BSDopterr
+# define optind             BSDoptind
+# define optopt             BSDoptopt
+# define optreset           BSDoptreset
+# define optarg             BSDoptarg
+#endif
+
+#if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
+# undef HAVE_GETADDRINFO
+#endif
+#if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
+# undef HAVE_FREEADDRINFO
+#endif
+#if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
+# undef HAVE_GAI_STRERROR
+#endif
+
+#if defined(HAVE_GETADDRINFO)
+# if defined(HAVE_DECL_AI_NUMERICSERV) && HAVE_DECL_AI_NUMERICSERV == 0
+#   define AI_NUMERICSERV	0
+# endif
+#endif
+
+#if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
+# undef HAVE_UPDWTMPX
+#endif
+
+#if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE)
+# undef HAS_SHADOW_EXPIRE
+#endif
+
+#if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \
+    defined(SYSLOG_R_SAFE_IN_SIGHAND)
+# define DO_LOG_SAFE_IN_SIGHAND
+#endif
+
+#if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
+# define memmove(s1, s2, n) bcopy((s2), (s1), (n))
+#endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
+
+#ifndef GETPGRP_VOID
+# include <unistd.h>
+# define getpgrp() getpgrp(0)
+#endif
+
+#ifdef USE_BSM_AUDIT
+# define SSH_AUDIT_EVENTS
+# define CUSTOM_SSH_AUDIT_EVENTS
+#endif
+
+#ifdef USE_LINUX_AUDIT
+# define SSH_AUDIT_EVENTS
+# define CUSTOM_SSH_AUDIT_EVENTS
+#endif
+
+#if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
+#  define __func__ __FUNCTION__
+#elif !defined(HAVE___func__)
+#  define __func__ ""
+#endif
+
+#if defined(KRB5) && !defined(HEIMDAL)
+#  define krb5_get_err_text(context,code) error_message(code)
+#endif
+
+/* Maximum number of file descriptors available */
+#ifdef HAVE_SYSCONF
+# define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
+#else
+# define SSH_SYSFDMAX 10000
+#endif
+
+#ifdef FSID_HAS_VAL
+/* encode f_fsid into a 64 bit value  */
+#define FSID_TO_ULONG(f) \
+	((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \
+	    ((f).val[1] & 0xffffffffUL))
+#elif defined(FSID_HAS___VAL)
+#define FSID_TO_ULONG(f) \
+	((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \
+	    ((f).__val[1] & 0xffffffffUL))
+#else
+# define FSID_TO_ULONG(f) ((f))
+#endif
+
+#if defined(__Lynx__)
+ /*
+  * LynxOS defines these in param.h which we do not want to include since
+  * it will also pull in a bunch of kernel definitions.
+  */
+# define ALIGNBYTES (sizeof(int) - 1)
+# define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
+  /* Missing prototypes on LynxOS */
+  int snprintf (char *, size_t, const char *, ...);
+  int mkstemp (char *);
+  char *crypt (const char *, const char *);
+  int seteuid (uid_t);
+  int setegid (gid_t);
+  char *mkdtemp (char *);
+  int rresvport_af (int *, sa_family_t);
+  int innetgr (const char *, const char *, const char *, const char *);
+#endif
+
+/*
+ * Define this to use pipes instead of socketpairs for communicating with the
+ * client program.  Socketpairs do not seem to work on all systems.
+ *
+ * configure.ac sets this for a few OS's which are known to have problems
+ * but you may need to set it yourself
+ */
+/* #define USE_PIPES 1 */
+
+/**
+ ** login recorder definitions
+ **/
+
+/* FIXME: put default paths back in */
+#ifndef UTMP_FILE
+#  ifdef _PATH_UTMP
+#    define UTMP_FILE _PATH_UTMP
+#  else
+#    ifdef CONF_UTMP_FILE
+#      define UTMP_FILE CONF_UTMP_FILE
+#    endif
+#  endif
+#endif
+#ifndef WTMP_FILE
+#  ifdef _PATH_WTMP
+#    define WTMP_FILE _PATH_WTMP
+#  else
+#    ifdef CONF_WTMP_FILE
+#      define WTMP_FILE CONF_WTMP_FILE
+#    endif
+#  endif
+#endif
+/* pick up the user's location for lastlog if given */
+#ifndef LASTLOG_FILE
+#  ifdef _PATH_LASTLOG
+#    define LASTLOG_FILE _PATH_LASTLOG
+#  else
+#    ifdef CONF_LASTLOG_FILE
+#      define LASTLOG_FILE CONF_LASTLOG_FILE
+#    endif
+#  endif
+#endif
+
+#if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
+# define USE_SHADOW
+#endif
+
+/* The login() library function in libutil is first choice */
+#if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
+#  define USE_LOGIN
+
+#else
+/* Simply select your favourite login types. */
+/* Can't do if-else because some systems use several... <sigh> */
+#  if !defined(DISABLE_UTMPX)
+#    define USE_UTMPX
+#  endif
+#  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
+#    define USE_UTMP
+#  endif
+#  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
+#    define USE_WTMPX
+#  endif
+#  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
+#    define USE_WTMP
+#  endif
+
+#endif
+
+#ifndef UT_LINESIZE
+# define UT_LINESIZE 8
+#endif
+
+/* I hope that the presence of LASTLOG_FILE is enough to detect this */
+#if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
+#  define USE_LASTLOG
+#endif
+
+#ifdef HAVE_OSF_SIA
+# ifdef USE_SHADOW
+#  undef USE_SHADOW
+# endif
+# define CUSTOM_SYS_AUTH_PASSWD 1
+#endif
+
+#if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE)
+# define CUSTOM_SYS_AUTH_PASSWD 1
+#endif
+#if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF)
+# define USE_LIBIAF
+#endif
+
+/* HP-UX 11.11 */
+#ifdef BTMP_FILE
+# define _PATH_BTMP BTMP_FILE
+#endif
+
+#if defined(USE_BTMP) && defined(_PATH_BTMP)
+# define CUSTOM_FAILED_LOGIN
+#endif
+
+/** end of login recorder definitions */
+
+#ifdef BROKEN_GETGROUPS
+# define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
+#endif
+
+#ifndef IOV_MAX
+# if defined(_XOPEN_IOV_MAX)
+#  define	IOV_MAX		_XOPEN_IOV_MAX
+# elif defined(DEF_IOV_MAX)
+#  define	IOV_MAX		DEF_IOV_MAX
+# else
+#  define	IOV_MAX		16
+# endif
+#endif
+
+#ifndef EWOULDBLOCK
+# define EWOULDBLOCK EAGAIN
+#endif
+
+#ifndef INET6_ADDRSTRLEN	/* for non IPv6 machines */
+#define INET6_ADDRSTRLEN 46
+#endif
+
+#ifndef SSH_IOBUFSZ
+# define SSH_IOBUFSZ 8192
+#endif
+
+/*
+ * We want functions in openbsd-compat, if enabled, to override system ones.
+ * We no-op out the weak symbol definition rather than remove it to reduce
+ * future sync problems.  Some compilers (eg Unixware) do not allow an
+ * empty statement, so we use a bogus function declaration.
+ */
+#define DEF_WEAK(x)	void __ssh_compat_weak_##x(void)
+
+/*
+ * Platforms that have arc4random_uniform() and not arc4random_stir()
+ * shouldn't need the latter.
+ */
+#if defined(HAVE_ARC4RANDOM) && defined(HAVE_ARC4RANDOM_UNIFORM) && \
+    !defined(HAVE_ARC4RANDOM_STIR)
+# define arc4random_stir()
+#endif
+
+#ifndef HAVE_VA_COPY
+# ifdef HAVE___VA_COPY
+#  define va_copy(dest, src) __va_copy(dest, src)
+# else
+#  define va_copy(dest, src) (dest) = (src)
+# endif
+#endif
+
+#ifndef __predict_true
+# if defined(__GNUC__) && \
+     ((__GNUC__ > (2)) || (__GNUC__ == (2) && __GNUC_MINOR__ >= (96)))
+#  define __predict_true(exp)     __builtin_expect(((exp) != 0), 1)
+#  define __predict_false(exp)    __builtin_expect(((exp) != 0), 0)
+# else
+#  define __predict_true(exp)     ((exp) != 0)
+#  define __predict_false(exp)    ((exp) != 0)
+# endif /* gcc version */
+#endif /* __predict_true */
+
+#if defined(HAVE_GLOB_H) && defined(GLOB_HAS_ALTDIRFUNC) && \
+    defined(GLOB_HAS_GL_MATCHC) && defined(GLOB_HAS_GL_STATV) && \
+    defined(HAVE_DECL_GLOB_NOMATCH) &&  HAVE_DECL_GLOB_NOMATCH != 0 && \
+    !defined(BROKEN_GLOB)
+# define USE_SYSTEM_GLOB
+#endif
+
+/*
+ * sntrup761 uses variable length arrays and c99-style declarations after code,
+ * so only enable if the compiler supports them.
+ */
+#if defined(VARIABLE_LENGTH_ARRAYS) && defined(VARIABLE_DECLARATION_AFTER_CODE)
+# define USE_SNTRUP761X25519 1
+#endif
+#endif /* _DEFINES_H */