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/* $Id: pilmacros.h,v 1.1.1.1 2008-10-21 09:10:13 cizzo Exp $
*
* This file is part of the VIMOS Pipeline
* Copyright (C) 2002-2004 European Southern Observatory
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* $Author: cizzo $
* $Date: 2008-10-21 09:10:13 $
* $Revision: 1.1.1.1 $
* $Name: not supported by cvs2svn $
*/
/*
* This file MUST not include an other pipeline library header file!
*/
#ifndef _PIL_MACROS_H
#define _PIL_MACROS_H
/*
* An alias for __extension__
*/
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8)
# define PIL_GNUC_EXTENSION __extension__
#else
# define PIL_GNUC_EXTENSION
#endif
/*
* Wrap the gcc __PRETTY_FUNCTION__ and __FUNCTION__ variables with macros.
*/
#if defined (__GNUC__) && (__GNUC__ < 3)
# define PIL_GNUC_FUNCTION __FUNCTION__
# define PIL_GNUC_PRETTY_FUNCTION __PRETTY_FUNCTION__
#else /* !__GNUC__ */
# define PIL_GNUC_FUNCTION ""
# define PIL_GNUC_PRETTY_FUNCTION ""
#endif /* !__GNUC__ */
#define PIL_STRINGIFY(macro) PIL_STRINGIFY_ARG(macro)
#define PIL_STRINGIFY_ARG(contents) #contents
/*
* String identifier for the current code position
*/
#if defined (__GNUC__) && (__GNUC__ < 3)
# define PIL_CODE_POS __FILE__ ":" PIL_STRINGIFY(__LINE__) ":" __PRETTY_FUNCTION__ "()"
#else
# define PIL_CODE_POS __FILE__ ":" PIL_STRINGIFY(__LINE__)
#endif
/*
* C code guard
*/
#undef PIL_BEGIN_DECLS
#undef PIL_END_DECLS
#ifdef __cplusplus
# define PIL_BEGIN_DECLS extern "C" {
# define PIL_END_DECLS }
#else
# define PIL_BEGIN_DECLS /* empty */
# define PIL_END_DECLS /* empty */
#endif
/*
* Commonly used macros. If they are provided by the system it is assumed
* that the provided definition is correct.
*/
#ifndef NULL
# ifdef __cplusplus
# define NULL (0L)
# else /* !__cplusplus */
# define NULL ((void*) 0)
# endif /* !__cplusplus */
#endif
#ifndef FALSE
# define FALSE (0)
#endif
#ifndef TRUE
# define TRUE (!FALSE)
#endif
#ifndef MAX
# define MAX(a, b) (((a) > (b)) ? (a) : (b))
#endif
#ifndef MIN
# define MIN(a, b) (((a) < (b)) ? (a) : (b))
#endif
#ifndef ABS
# define ABS(a) (((a) < 0) ? -(a) : (a))
#endif
#ifndef SQR
# define SQR(a) ((a) * (a))
#endif
/*
* Number of elements in an array
*/
#define PIL_N_ELEMENTS(array) (sizeof (array) / sizeof ((array)[0]))
/*
* The maximum length, in bytes of an input line. It is set to the
* POSIX2 value.
*/
#ifndef PIL_LINE_LENGTH_MAX
# define PIL_LINE_LENGTH_MAX 2048
#endif
/*
* Define the maximum number of characters a filename including the
* path may have, excluding the trailing zero.
*/
#ifndef PIL_PATHNAME_MAX
# define PIL_PATHNAME_MAX 4095
#endif
#endif /* _PIL_MACROS_H */
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