NetBSD/dist/ntp/libopts/compat/compat.h
2007-06-24 15:47:02 +00:00

322 lines
6.5 KiB
C

/* $NetBSD: compat.h,v 1.1.1.2 2007/06/24 15:49:30 kardel Exp $ */
/* -*- Mode: C -*- */
/* --- fake the preprocessor into handlng portability */
/*
* Time-stamp: "2007-02-03 17:41:06 bkorb"
*
* Author: Gary V Vaughan <gvaughan@oranda.demon.co.uk>
* Created: Mon Jun 30 15:54:46 1997
*
* Id: compat.h,v 4.16 2007/04/27 01:10:47 bkorb Exp
*/
#ifndef COMPAT_H_GUARD
#define COMPAT_H_GUARD 1
#if defined(HAVE_CONFIG_H)
# include <config.h>
#elif defined(_WIN32) && !defined(__CYGWIN__)
# include "windows-config.h"
#else
# error "compat.h" requires "config.h"
choke me.
#endif
#ifndef HAVE_STRSIGNAL
char * strsignal( int signo );
#endif
#define _GNU_SOURCE 1 /* for strsignal in GNU's libc */
#define __USE_GNU 1 /* exact same thing as above */
#define __EXTENSIONS__ 1 /* and another way to call for it */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* SYSTEM HEADERS:
*/
#include <sys/types.h>
#ifdef HAVE_SYS_MMAN_H
# include <sys/mman.h>
#endif
#include <sys/param.h>
#if HAVE_SYS_PROCSET_H
# include <sys/procset.h>
#endif
#include <sys/stat.h>
#include <sys/wait.h>
#if defined( HAVE_SOLARIS_SYSINFO )
# include <sys/systeminfo.h>
#elif defined( HAVE_UNAME_SYSCALL )
# include <sys/utsname.h>
#endif
#ifdef DAEMON_ENABLED
# if HAVE_SYS_STROPTS_H
# include <sys/stropts.h>
# endif
# if HAVE_SYS_SOCKET_H
# include <sys/socket.h>
# endif
# if ! defined(HAVE_SYS_POLL_H) && ! defined(HAVE_SYS_SELECT_H)
# error This system cannot support daemon processing
Choke Me.
# endif
# if HAVE_SYS_POLL_H
# include <sys/poll.h>
# endif
# if HAVE_SYS_SELECT_H
# include <sys/select.h>
# endif
# if HAVE_NETINET_IN_H
# include <netinet/in.h>
# endif
# if HAVE_SYS_UN_H
# include <sys/un.h>
# endif
#endif
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* USER HEADERS:
*/
#include <stdio.h>
#include <assert.h>
#include <ctype.h>
/*
* Directory opening stuff:
*/
# if defined (_POSIX_SOURCE)
/* Posix does not require that the d_ino field be present, and some
systems do not provide it. */
# define REAL_DIR_ENTRY(dp) 1
# else /* !_POSIX_SOURCE */
# define REAL_DIR_ENTRY(dp) (dp->d_ino != 0)
# endif /* !_POSIX_SOURCE */
# if defined (HAVE_DIRENT_H)
# include <dirent.h>
# define D_NAMLEN(dirent) strlen((dirent)->d_name)
# else /* !HAVE_DIRENT_H */
# define dirent direct
# define D_NAMLEN(dirent) (dirent)->d_namlen
# if defined (HAVE_SYS_NDIR_H)
# include <sys/ndir.h>
# endif /* HAVE_SYS_NDIR_H */
# if defined (HAVE_SYS_DIR_H)
# include <sys/dir.h>
# endif /* HAVE_SYS_DIR_H */
# if defined (HAVE_NDIR_H)
# include <ndir.h>
# endif /* HAVE_NDIR_H */
# endif /* !HAVE_DIRENT_H */
#include <errno.h>
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
#ifndef O_NONBLOCK
# define O_NONBLOCK FNDELAY
#endif
#if defined(HAVE_LIBGEN) && defined(HAVE_LIBGEN_H)
# include <libgen.h>
#endif
#if defined(HAVE_LIMITS_H) /* this is also in options.h */
# include <limits.h>
#elif defined(HAVE_SYS_LIMITS_H)
# include <sys/limits.h>
#endif /* HAVE_LIMITS/SYS_LIMITS_H */
#include <memory.h>
#include <setjmp.h>
#include <signal.h>
#if defined( HAVE_STDINT_H )
# include <stdint.h>
#elif defined( HAVE_INTTYPES_H )
# include <inttypes.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <time.h>
#ifdef HAVE_UTIME_H
# include <utime.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* FIXUPS and CONVIENCE STUFF:
*/
#ifdef __cplusplus
# define EXTERN extern "C"
#else
# define EXTERN extern
#endif
/* some systems #def errno! and others do not declare it!! */
#ifndef errno
extern int errno;
#endif
/* Some machines forget this! */
# ifndef EXIT_FAILURE
# define EXIT_SUCCESS 0
# define EXIT_FAILURE 1
# endif
#ifndef NUL
# define NUL '\0'
#endif
#ifndef NULL
# define NULL 0
#endif
#if !defined (MAXPATHLEN) && defined (HAVE_SYS_PARAM_H)
# include <sys/param.h>
#endif /* !MAXPATHLEN && HAVE_SYS_PARAM_H */
#if !defined (MAXPATHLEN) && defined (PATH_MAX)
# define MAXPATHLEN PATH_MAX
#endif /* !MAXPATHLEN && PATH_MAX */
#if !defined (MAXPATHLEN) && defined(_MAX_PATH)
# define PATH_MAX _MAX_PATH
# define MAXPATHLEN _MAX_PATH
#endif
#if !defined (MAXPATHLEN)
# define MAXPATHLEN ((size_t)4096)
#endif /* MAXPATHLEN */
#define AG_PATH_MAX ((size_t)MAXPATHLEN)
#ifndef LONG_MAX
# define LONG_MAX ~(1L << (8*sizeof(long) -1))
# define INT_MAX ~(1 << (8*sizeof(int) -1))
#endif
#ifndef ULONG_MAX
# define ULONG_MAX ~(OUL)
# define UINT_MAX ~(OU)
#endif
#ifndef SHORT_MAX
# define SHORT_MAX ~(1 << (8*sizeof(short) -1))
#else
# define USHORT_MAX ~(OUS)
#endif
#ifndef HAVE_INT8_T
typedef signed char int8_t;
#endif
#ifndef HAVE_UINT8_T
typedef unsigned char uint8_t;
#endif
#ifndef HAVE_INT16_T
typedef signed short int16_t;
#endif
#ifndef HAVE_UINT16_T
typedef unsigned short uint16_t;
#endif
#ifndef HAVE_UINT_T
typedef unsigned int uint_t;
#endif
#ifndef HAVE_INT32_T
# if SIZEOF_INT == 4
typedef signed int int32_t;
# elif SIZEOF_LONG == 4
typedef signed long int32_t;
# endif
#endif
#ifndef HAVE_UINT32_T
# if SIZEOF_INT == 4
typedef unsigned int uint32_t;
# elif SIZEOF_LONG == 4
typedef unsigned long uint32_t;
# else
# error Cannot create a uint32_t type.
Choke Me.
# endif
#endif
#ifndef HAVE_INTPTR_T
typedef signed long intptr_t;
#endif
#ifndef HAVE_UINTPTR_T
typedef unsigned long uintptr_t;
#endif
/* redefine these for BSD style string libraries */
#ifndef HAVE_STRCHR
# define strchr index
# define strrchr rindex
#endif
#ifdef USE_FOPEN_BINARY
# ifndef FOPEN_BINARY_FLAG
# define FOPEN_BINARY_FLAG "b"
# endif
# ifndef FOPEN_TEXT_FLAG
# define FOPEN_TEXT_FLAG "t"
# endif
#else
# ifndef FOPEN_BINARY_FLAG
# define FOPEN_BINARY_FLAG
# endif
# ifndef FOPEN_TEXT_FLAG
# define FOPEN_TEXT_FLAG
# endif
#endif
#ifndef STR
# define _STR(s) #s
# define STR(s) _STR(s)
#endif
/* ##### Pointer sized word ##### */
/* FIXME: the MAX stuff in here is broken! */
#if SIZEOF_CHARP > SIZEOF_INT
typedef long t_word;
#define WORD_MAX LONG_MAX
#define WORD_MIN LONG_MIN
#else /* SIZEOF_CHARP <= SIZEOF_INT */
typedef int t_word;
#define WORD_MAX INT_MAX
#define WORD_MIN INT_MIN
#endif
#endif /* COMPAT_H_GUARD */
/*
* Local Variables:
* mode: C
* c-file-style: "stroustrup"
* indent-tabs-mode: nil
* End:
* end of compat/compat.h */