posix/posix2_lim.h

   1 /* Copyright (C) 1991, 1996 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 `order' keyword in the locale definition file.
  38    We have no fixed limit, 255 is very high.  */
  39 #define _POSIX2_COLL_WEIGHTS_MAX        255
  40
  41 /* The maximum number of weights that can be assigned to an entry of
  42    the LC_COLLATE category `order' keyword in a locale definition.
  43    We have no fixed limit, 255 is a high number.  */
  44 #define _POSIX2_EQUIV_CLASS_MAX         255
  45
  46 /* The maximum number of expressions that can be nested
  47    within parentheses by the `expr' utility.  */
  48 #define _POSIX2_EXPR_NEST_MAX           32
  49
  50 /* The maximum length, in bytes, of an input line.  */
  51 #define _POSIX2_LINE_MAX                2048
  52
  53 /* The maximum number of repeated occurrences of a regular expression
  54    permitted when using the interval notation `\{M,N\}'.  */
  55 #define _POSIX2_RE_DUP_MAX              255
  56
  57 /* The maximum number of bytes in a character class name.  We have no
  58    fixed limit, 2048 is a high number.  */
  59 #define _POSIX2_CHARCLASS_NAME_MAX      2048
  60
  61
  62 /* These values are implementation-specific,
  63    and may vary within the implementation.
  64    Their precise values can be obtained from sysconf.  */
  65
  66 #ifndef BC_BASE_MAX
  67 #define BC_BASE_MAX             _POSIX2_BC_BASE_MAX
  68 #endif
  69 #ifndef BC_DIM_MAX
  70 #define BC_DIM_MAX              _POSIX2_BC_DIM_MAX
  71 #endif
  72 #ifndef BC_SCALE_MAX
  73 #define BC_SCALE_MAX            _POSIX2_BC_SCALE_MAX
  74 #endif
  75 #ifndef BC_STRING_MAX
  76 #define BC_STRING_MAX           _POSIX2_BC_STRING_MAX
  77 #endif
  78 #ifndef COLL_WEIGHTS_MAX
  79 #define COLL_WEIGHTS_MAX        _POSIX2_COLL_WEIGHTS_MAX
  80 #endif
  81 #ifndef EQUIV_CLASS_MAX
  82 #define EQUIV_CLASS_MAX         _POSIX2_EQUIV_CLASS_MAX
  83 #endif
  84 #ifndef EXPR_NEST_MAX
  85 #define EXPR_NEST_MAX           _POSIX2_EXPR_NEST_MAX
  86 #endif
  87 #ifndef LINE_MAX
  88 #define LINE_MAX                _POSIX2_LINE_MAX
  89 #endif
  90 #ifndef RE_DUP_MAX
  91 #define RE_DUP_MAX              _POSIX2_RE_DUP_MAX
  92 #endif
  93 #ifndef CHARCLASS_NAME_MAX
  94 #define CHARCLASS_NAME_MAX      _POSIX2_CHARCLASS_NAME_MAX
  95 #endif
  96
  97
  98 #endif  /* posix2_limits.h */