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