/*
 * Copyright (c) 2002, The Tendra Project <http://www.ten15.org/>
 * 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 unmodified, 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.
 *
 *
 *    		 Crown Copyright (c) 1997
 *
 *    This TenDRA(r) Computer Program is subject to Copyright
 *    owned by the United Kingdom Secretary of State for Defence
 *    acting through the Defence Evaluation and Research Agency
 *    (DERA).  It is made available to Recipients with a
 *    royalty-free licence for its use, reproduction, transfer
 *    to other parties and amendment for any purpose not excluding
 *    product development provided that any such use et cetera
 *    shall be deemed to be acceptance of the following conditions:-
 *
 *        (1) Its Recipients shall ensure that this Notice is
 *        reproduced upon any copies or amended versions of it;
 *
 *        (2) Any amended version of it shall be clearly marked to
 *        show both the nature of and the organisation responsible
 *        for the relevant amendment or amendments;
 *
 *        (3) Its onward transfer from a recipient to another
 *        party shall be deemed to be that party's acceptance of
 *        these conditions;
 *
 *        (4) DERA gives no warranty or assurance as to its
 *        quality or suitability for any purpose and DERA accepts
 *        no liability whatsoever in relation to any use to which
 *        it may be put.
 *
 * $TenDRA: tendra/src/tools/tcc/external.h,v 1.7 2005/10/22 13:17:00 stefanf Exp $
 */


#ifndef EXTERNAL_INCLUDED
#define EXTERNAL_INCLUDED


/*
 *    EXTERNAL INTERFACE SPECIFICATION
 *
 *    This header describes the non-ANSI component of the program API.
 *    The various components are controlled by the FS_* macros defined
 *    in config.h.
 */

#include <sys/types.h>
#if FS_DIRENT
#include <dirent.h>
#endif
#include <errno.h>
#if FS_STAT
#include <sys/stat.h>
#endif
#include <unistd.h>
#if FS_WAIT
#include <sys/wait.h>
#endif

#if !FS_SYS_TYPES
typedef int pid_t;
typedef unsigned short mode_t;
#endif

#ifndef errno
extern int errno;
#endif

#ifndef environ
extern char **environ;
#endif

#ifndef S_ISDIR
#define S_ISDIR(X)			((X) & S_IFDIR)
#endif

#ifndef S_IRWXU
#ifdef S_IREAD
#define S_IRWXU				S_IREAD
#define S_IRWXG				S_IWRITE
#define S_IRWXO				S_IEXEC
#else
#define S_IRWXU				0700
#define S_IRWXG				0070
#define S_IRWXO				0007
#endif
#endif

#if FS_TEMPNAM
#define temp_name(X, Y)		(char *) tempnam ((X), (Y))
#else
extern char *like_tempnam(const char *, const char *);
#define temp_name(X, Y)		like_tempnam ((X), (Y))
#endif

#if FS_GETCWD
#define get_cwd(X, Y)			getcwd ((X), (Y))
#else
#define get_cwd(X, Y)			NULL
#endif

#if FS_WAIT
typedef int wait_type;
#define process_wait(X)		wait ((X))
#define process_return (X, Y)		((X) = (Y))
#define process_exited(X)		WIFEXITED ((X))
#define process_signaled(X)		WIFSIGNALED ((X))
#define process_exit_value(X)		WEXITSTATUS ((X))
#define process_signal_value(X)	WTERMSIG ((X))
#endif


#endif