/* NetHack 3.5	lint.h	$NHDT-Date: 1430897871 2015/05/06 07:37:51 $  $NHDT-Branch: master $:$NHDT-Revision: 1.0 $ */
/* NetHack may be freely redistributed.  See license for details. */

/*
 * Hacks to suppress compiler warnings.  Use with caution.
 * Assumes it has been preceded by '#include "config.h"' but
 * not necessarily by '#include "hack.h"'.
 */
#ifndef LINT_H
#define LINT_H

/* cast away implicit const from a string literal (caller's responsibility
   to ensure that) in order to avoid a warning from 'gcc -Wwrite-strings'
   (also caller's responsibility to ensure it isn't actually modified!) */
#define nhStr(str) ((char *)str)

#if defined(GCC_WARN) && !defined(FORCE_ARG_USAGE)
#  define FORCE_ARG_USAGE
#endif

#ifdef FORCE_ARG_USAGE
/* force an unused function argument to become used in an arbitrary
   manner in order to suppress warning about unused function arguments;
   viable for scalar and pointer arguments */
# define nhUse(arg)	nhUse_dummy += (unsigned)arg;
extern unsigned nhUse_dummy;
#else
# define nhUse(arg)	/*empty*/
#endif

/*
 * This stuff isn't related to lint suppression but lives here to
 * avoid cluttering up hack.h.
 */
/* [DEBUG shouldn't be defined unless you know what you're doing...] */
#ifdef DEBUG
# define ifdebug(stmt)	do { if (showdebug(__FILE__)) stmt; } while (0)
/* these don't require compiler support for C99 variadic macros */
# define debugpline0(str)		ifdebug(pline(str))
# define debugpline1(fmt,arg)		ifdebug(pline(fmt,arg))
# define debugpline2(fmt,a1,a2)		ifdebug(pline(fmt,a1,a2))
# define debugpline3(fmt,a1,a2,a3)	ifdebug(pline(fmt,a1,a2,a3))
# define debugpline4(fmt,a1,a2,a3,a4)	ifdebug(pline(fmt,a1,a2,a3,a4))
#else
# define debugpline0(str)		/*empty*/
# define debugpline1(fmt,arg)		/*empty*/
# define debugpline2(fmt,a1,a2)		/*empty*/
# define debugpline3(fmt,a1,a2,a3)	/*empty*/
# define debugpline4(fmt,a1,a2,a3,a4)	/*empty*/
#endif	/*DEBUG*/

#endif /* LINT_H */