posix/posix2_lim.h

   1 /* Copyright (C) 1991 Free Software Foundation, Inc.
   2 This file is part of the GNU C Library.
   3
   4 The GNU C Library is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU Library General Public License as
   6 published by the Free Software Foundation; either version 2 of the
   7 License, or (at your option) any later version.
   8
   9 The GNU C Library is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with the GNU C Library; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 #ifndef _POSIX2_LIMITS_H
  20
  21 #define _POSIX2_LIMITS_H        1
  22
  23
  24 /* The maximum `ibase' and `obase' values allowed by the `bc' utility.  */
  25 #define _POSIX2_BC_BASE_MAX     99
  26
  27 /* The maximum number of elements allowed in an array by the `bc' utility.  */
  28 #define _POSIX2_BC_DIM_MAX      2048
  29
  30 /* The maximum `scale' value allowed by the `bc' utility.  */
  31 #define _POSIX2_BC_SCALE_MAX    99
  32
  33 /* The maximum length of a string constant accepted by the `bc' utility.  */
  34 #define _POSIX2_BC_STRING_MAX   1000
  35
  36 /* The maximum number of weights that can be assigned to an entry of
  37    the LC_COLLATE category `order' keyword in a locale definition.  */
  38 #define _POSIX2_EQUIV_CLASS_MAX 2
  39
  40 /* The maximum number of expressions that can be nested
  41    within parentheses by the `expr' utility.  */
  42 #define _POSIX2_EXPR_NEST_MAX   32
  43
  44 /* The maximum length, in bytes, of an input line.  */
  45 #define _POSIX2_LINE_MAX        2048
  46
  47 /* The maximum number of repeated occurrences of a regular expression
  48    permitted when using the interval notation `\{M,N\}'.  */
  49 #define _POSIX2_RE_DUP_MAX      255
  50
  51
  52 /* These values are implementation-specific,
  53    and may vary within the implementation.
  54    Their precise values can be obtained from sysconf.  */
  55
  56 #ifndef BC_BASE_MAX
  57 #define BC_BASE_MAX     _POSIX2_BC_BASE_MAX
  58 #endif
  59 #ifndef BC_DIM_MAX
  60 #define BC_DIM_MAX      _POSIX2_BC_DIM_MAX
  61 #endif
  62 #ifndef BC_SCALE_MAX
  63 #define BC_SCALE_MAX    _POSIX2_BC_SCALE_MAX
  64 #endif
  65 #ifndef BC_STRING_MAX
  66 #define BC_STRING_MAX   _POSIX2_BC_STRING_MAX
  67 #endif
  68 #ifndef EQUIV_CLASS_MAX
  69 #define EQUIV_CLASS_MAX _POSIX2_EQUIV_CLASS_MAX
  70 #endif
  71 #ifndef EXPR_NEST_MAX
  72 #define EXPR_NEST_MAX   _POSIX2_EXPR_NEST_MAX
  73 #endif
  74 #ifndef LINE_MAX
  75 #define LINE_MAX        _POSIX2_LINE_MAX
  76 #endif
  77 #ifndef RE_DUP_MAX
  78 #define RE_DUP_MAX      _POSIX2_RE_DUP_MAX
  79 #endif
  80
  81
  82 #endif  /* posix2_limits.h */