path: root/defines.h

/*
 * 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_