glibc/posix/posix2_lim.h
1996-11-15 04:08:00 +00:00

99 lines
3.2 KiB
C

/* Copyright (C) 1991, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _POSIX2_LIMITS_H
#define _POSIX2_LIMITS_H 1
/* The maximum `ibase' and `obase' values allowed by the `bc' utility. */
#define _POSIX2_BC_BASE_MAX 99
/* The maximum number of elements allowed in an array by the `bc' utility. */
#define _POSIX2_BC_DIM_MAX 2048
/* The maximum `scale' value allowed by the `bc' utility. */
#define _POSIX2_BC_SCALE_MAX 99
/* The maximum length of a string constant accepted by the `bc' utility. */
#define _POSIX2_BC_STRING_MAX 1000
/* The maximum number of weights that can be assigned to an entry of
the LC_COLLATE `order' keyword in the locale definition file.
We have no fixed limit, 255 is very high. */
#define _POSIX2_COLL_WEIGHTS_MAX 255
/* The maximum number of weights that can be assigned to an entry of
the LC_COLLATE category `order' keyword in a locale definition.
We have no fixed limit, 255 is a high number. */
#define _POSIX2_EQUIV_CLASS_MAX 255
/* The maximum number of expressions that can be nested
within parentheses by the `expr' utility. */
#define _POSIX2_EXPR_NEST_MAX 32
/* The maximum length, in bytes, of an input line. */
#define _POSIX2_LINE_MAX 2048
/* The maximum number of repeated occurrences of a regular expression
permitted when using the interval notation `\{M,N\}'. */
#define _POSIX2_RE_DUP_MAX 255
/* The maximum number of bytes in a character class name. We have no
fixed limit, 2048 is a high number. */
#define _POSIX2_CHARCLASS_NAME_MAX 2048
/* These values are implementation-specific,
and may vary within the implementation.
Their precise values can be obtained from sysconf. */
#ifndef BC_BASE_MAX
#define BC_BASE_MAX _POSIX2_BC_BASE_MAX
#endif
#ifndef BC_DIM_MAX
#define BC_DIM_MAX _POSIX2_BC_DIM_MAX
#endif
#ifndef BC_SCALE_MAX
#define BC_SCALE_MAX _POSIX2_BC_SCALE_MAX
#endif
#ifndef BC_STRING_MAX
#define BC_STRING_MAX _POSIX2_BC_STRING_MAX
#endif
#ifndef COLL_WEIGHTS_MAX
#define COLL_WEIGHTS_MAX _POSIX2_COLL_WEIGHTS_MAX
#endif
#ifndef EQUIV_CLASS_MAX
#define EQUIV_CLASS_MAX _POSIX2_EQUIV_CLASS_MAX
#endif
#ifndef EXPR_NEST_MAX
#define EXPR_NEST_MAX _POSIX2_EXPR_NEST_MAX
#endif
#ifndef LINE_MAX
#define LINE_MAX _POSIX2_LINE_MAX
#endif
#ifndef RE_DUP_MAX
#define RE_DUP_MAX _POSIX2_RE_DUP_MAX
#endif
#ifndef CHARCLASS_NAME_MAX
#define CHARCLASS_NAME_MAX _POSIX2_CHARCLASS_NAME_MAX
#endif
#endif /* posix2_limits.h */