posix/bits/posix2_lim.h

   1 /* Copyright (C) 1991, 1996, 1999, 2000, 2001 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 Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the 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    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 /*
  20  * Never include this file directly; include <limits.h> instead.
  21  */
  22
  23 #ifndef _BITS_POSIX2_LIM_H
  24 #define _BITS_POSIX2_LIM_H      1
  25
  26
  27 /* The maximum `ibase' and `obase' values allowed by the `bc' utility.  */
  28 #define _POSIX2_BC_BASE_MAX             99
  29
  30 /* The maximum number of elements allowed in an array by the `bc' utility.  */
  31 #define _POSIX2_BC_DIM_MAX              2048
  32
  33 /* The maximum `scale' value allowed by the `bc' utility.  */
  34 #define _POSIX2_BC_SCALE_MAX            99
  35
  36 /* The maximum length of a string constant accepted by the `bc' utility.  */
  37 #define _POSIX2_BC_STRING_MAX           1000
  38
  39 /* The maximum number of weights that can be assigned to an entry of
  40    the LC_COLLATE `order' keyword in the locale definition file.  */
  41 #define _POSIX2_COLL_WEIGHTS_MAX        2
  42
  43 /* The maximum number of expressions that can be nested
  44    within parentheses by the `expr' utility.  */
  45 #define _POSIX2_EXPR_NEST_MAX           32
  46
  47 /* The maximum length, in bytes, of an input line.  */
  48 #define _POSIX2_LINE_MAX                2048
  49
  50 /* The maximum number of repeated occurrences of a regular expression
  51    permitted when using the interval notation `\{M,N\}'.  */
  52 #define _POSIX2_RE_DUP_MAX              255
  53
  54 /* The maximum number of bytes in a character class name.  We have no
  55    fixed limit, 2048 is a high number.  */
  56 #define _POSIX2_CHARCLASS_NAME_MAX      14
  57
  58
  59 /* These values are implementation-specific,
  60    and may vary within the implementation.
  61    Their precise values can be obtained from sysconf.  */
  62
  63 #ifndef BC_BASE_MAX
  64 #define BC_BASE_MAX             _POSIX2_BC_BASE_MAX
  65 #endif
  66 #ifndef BC_DIM_MAX
  67 #define BC_DIM_MAX              _POSIX2_BC_DIM_MAX
  68 #endif
  69 #ifndef BC_SCALE_MAX
  70 #define BC_SCALE_MAX            _POSIX2_BC_SCALE_MAX
  71 #endif
  72 #ifndef BC_STRING_MAX
  73 #define BC_STRING_MAX           _POSIX2_BC_STRING_MAX
  74 #endif
  75 #ifndef COLL_WEIGHTS_MAX
  76 #define COLL_WEIGHTS_MAX        255
  77 #endif
  78 #ifndef EXPR_NEST_MAX
  79 #define EXPR_NEST_MAX           _POSIX2_EXPR_NEST_MAX
  80 #endif
  81 #ifndef LINE_MAX
  82 #define LINE_MAX                _POSIX2_LINE_MAX
  83 #endif
  84 #ifndef CHARCLASS_NAME_MAX
  85 #define CHARCLASS_NAME_MAX      2048
  86 #endif
  87
  88 /* This value is defined like this in regex.h.  */
  89 #define RE_DUP_MAX (0x7fff)
  90
  91 #endif  /* bits/posix2_lim.h */