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 */
92