posix2_lim.h
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上传日期:2009-04-28
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- /* Copyright (C) 1991, 1996, 1999, 2000, 2001 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 Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 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
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- /*
- * Never include this file directly; include <limits.h> instead.
- */
- #ifndef _BITS_POSIX2_LIM_H
- #define _BITS_POSIX2_LIM_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. */
- #define _POSIX2_COLL_WEIGHTS_MAX 2
- /* 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 14
- /* 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 255
- #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 CHARCLASS_NAME_MAX
- #define CHARCLASS_NAME_MAX 2048
- #endif
- /* This value is defined like this in regex.h. */
- #define RE_DUP_MAX (0x7fff)
- #endif /* bits/posix2_lim.h */