posix2_lim.h 2.8 KB

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  1. /* Copyright (C) 1991, 1996, 1999, 2000, 2001 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. The GNU C Library is free software; you can redistribute it and/or
  4. modify it under the terms of the GNU Lesser General Public
  5. License as published by the Free Software Foundation; either
  6. version 2.1 of the License, or (at your option) any later version.
  7. The GNU C Library is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  10. Lesser General Public License for more details.
  11. You should have received a copy of the GNU Lesser General Public
  12. License along with the GNU C Library; if not, see
  13. <http://www.gnu.org/licenses/>. */
  14. /*
  15. * Never include this file directly; include <limits.h> instead.
  16. */
  17. #ifndef _BITS_POSIX2_LIM_H
  18. #define _BITS_POSIX2_LIM_H 1
  19. /* The maximum `ibase' and `obase' values allowed by the `bc' utility. */
  20. #define _POSIX2_BC_BASE_MAX 99
  21. /* The maximum number of elements allowed in an array by the `bc' utility. */
  22. #define _POSIX2_BC_DIM_MAX 2048
  23. /* The maximum `scale' value allowed by the `bc' utility. */
  24. #define _POSIX2_BC_SCALE_MAX 99
  25. /* The maximum length of a string constant accepted by the `bc' utility. */
  26. #define _POSIX2_BC_STRING_MAX 1000
  27. /* The maximum number of weights that can be assigned to an entry of
  28. the LC_COLLATE `order' keyword in the locale definition file. */
  29. #define _POSIX2_COLL_WEIGHTS_MAX 2
  30. /* The maximum number of expressions that can be nested
  31. within parentheses by the `expr' utility. */
  32. #define _POSIX2_EXPR_NEST_MAX 32
  33. /* The maximum length, in bytes, of an input line. */
  34. #define _POSIX2_LINE_MAX 2048
  35. /* The maximum number of repeated occurrences of a regular expression
  36. permitted when using the interval notation `\{M,N\}'. */
  37. #define _POSIX2_RE_DUP_MAX 255
  38. /* The maximum number of bytes in a character class name. We have no
  39. fixed limit, 2048 is a high number. */
  40. #define _POSIX2_CHARCLASS_NAME_MAX 14
  41. /* These values are implementation-specific,
  42. and may vary within the implementation.
  43. Their precise values can be obtained from sysconf. */
  44. #ifndef BC_BASE_MAX
  45. #define BC_BASE_MAX _POSIX2_BC_BASE_MAX
  46. #endif
  47. #ifndef BC_DIM_MAX
  48. #define BC_DIM_MAX _POSIX2_BC_DIM_MAX
  49. #endif
  50. #ifndef BC_SCALE_MAX
  51. #define BC_SCALE_MAX _POSIX2_BC_SCALE_MAX
  52. #endif
  53. #ifndef BC_STRING_MAX
  54. #define BC_STRING_MAX _POSIX2_BC_STRING_MAX
  55. #endif
  56. #ifndef COLL_WEIGHTS_MAX
  57. #define COLL_WEIGHTS_MAX 255
  58. #endif
  59. #ifndef EXPR_NEST_MAX
  60. #define EXPR_NEST_MAX _POSIX2_EXPR_NEST_MAX
  61. #endif
  62. #ifndef LINE_MAX
  63. #define LINE_MAX _POSIX2_LINE_MAX
  64. #endif
  65. #ifndef CHARCLASS_NAME_MAX
  66. #define CHARCLASS_NAME_MAX 2048
  67. #endif
  68. /* This value is defined like this in regex.h. */
  69. #define RE_DUP_MAX (0x7fff)
  70. #endif /* bits/posix2_lim.h */