quakeforge/include/compat.h

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/*
compat.h
Miscellaneous compability stuff
Copyright (C) 1996-1997 Id Software, Inc.
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
$Id$
*/
#ifndef __compat_h
#define __compat_h
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_STDARG_H
# include <stdarg.h>
#endif
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#include <stdlib.h>
#ifndef max
# define max(a,b) ((a) > (b) ? (a) : (b))
#endif
#ifndef min
# define min(a,b) ((a) < (b) ? (a) : (b))
#endif
#ifndef bound
# define bound(a,b,c) (max(a, min(b, c)))
#endif
/* This fixes warnings when compiling with -pedantic */
#if defined(__GNUC__) && !defined(inline)
# define inline __inline__
#endif
/* These may be underscored... */
#if defined(HAVE__SNPRINTF)
# undef snprintf
# define snprintf Q_snprintfz
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# define need_qstring_h
#endif
#if defined(HAVE__VSNPRINTF)
# undef vsnprintf
# define vsnprintf Q_vsnprintfz
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# define need_qstring_h
#endif
#if defined(_WIN32) && !defined(__BORLANDC__)
# define kbhit _kbhit
#endif
/* If we don't have them in the C-library we declare them to avoid warnings */
#if ! (defined(HAVE_SNPRINTF) || defined(HAVE__SNPRINTF))
extern int snprintf(char * s, size_t maxlen, const char *format, ...);
#endif
#if ! (defined(HAVE_VSNPRINTF) || defined(HAVE__VSNPRINTF))
extern int vsnprintf(char *s, size_t maxlen, const char *format, va_list arg);
#endif
/* String utility functions */
#if !defined(strequal)
# define strequal(a,b) (strcmp (a, b) == 0)
#endif
#if !defined(strcaseequal)
# define strcaseequal(a,b) (strcasecmp (a, b) == 0)
#endif
#if !defined(strnequal)
# define strnequal(a,b,c) (strncmp (a, b, c) == 0)
#endif
#if !defined(strncaseequal)
# define strncaseequal(a,b,c) (strncasecmp (a, b, c) == 0)
#endif
// FIXME: glibc has strcasestr, but only declares it if __USE_GNU is defined
#if !defined(strcasestr)
# define strcasestr Q_strcasestr
# define need_qstring_h
#endif
// FIXME: same as above
#if !defined(strnlen)
# define strnlen Q_strnlen
# define need_qstring_h
#endif
#ifdef need_qstring_h
# include "qstring.h"
#endif
#undef field_offset
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#define field_offset(type,field) ((size_t)&(((type *)0)->field))
#endif // __compat_h