glibc (2.38)

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       1  /* Old compatibility names for <limits.h> and <float.h> constants.
       2     Copyright (C) 1995-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  /* This interface is obsolete.  New programs should use
      20     <limits.h> and/or <float.h> instead of <values.h>.  */
      21  
      22  #ifndef	_VALUES_H
      23  #define	_VALUES_H	1
      24  
      25  #include <features.h>
      26  
      27  #include <limits.h>
      28  
      29  #define _TYPEBITS(type)	(sizeof (type) * CHAR_BIT)
      30  
      31  #define CHARBITS	_TYPEBITS (char)
      32  #define SHORTBITS	_TYPEBITS (short int)
      33  #define INTBITS		_TYPEBITS (int)
      34  #define LONGBITS	_TYPEBITS (long int)
      35  #define PTRBITS		_TYPEBITS (char *)
      36  #define DOUBLEBITS	_TYPEBITS (double)
      37  #define FLOATBITS	_TYPEBITS (float)
      38  
      39  #define MINSHORT	SHRT_MIN
      40  #define	MININT		INT_MIN
      41  #define	MINLONG		LONG_MIN
      42  
      43  #define	MAXSHORT	SHRT_MAX
      44  #define	MAXINT		INT_MAX
      45  #define	MAXLONG		LONG_MAX
      46  
      47  #define HIBITS		MINSHORT
      48  #define HIBITL		MINLONG
      49  
      50  
      51  #include <float.h>
      52  
      53  #define	MAXDOUBLE	DBL_MAX
      54  #define	MAXFLOAT	FLT_MAX
      55  #define	MINDOUBLE	DBL_MIN
      56  #define	MINFLOAT	FLT_MIN
      57  #define	DMINEXP		DBL_MIN_EXP
      58  #define	FMINEXP		FLT_MIN_EXP
      59  #define	DMAXEXP		DBL_MAX_EXP
      60  #define	FMAXEXP		FLT_MAX_EXP
      61  
      62  
      63  #ifdef __USE_MISC
      64  /* Some systems define this name instead of CHAR_BIT or CHARBITS.  */
      65  # define BITSPERBYTE	CHAR_BIT
      66  #endif
      67  
      68  #endif	/* values.h */