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Fix some _POSIX minimum/maximum values in limits.h:

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* Some values changed in POSIX.1-2001; provide the former value if a program
  requests compliance to an earlier version of POSIX. [1]
* Add missing _POSIX_CLOCKRES_MIN constant. This is a maximum value but
  otherwise works the same as the minimum values.

PR:		standards/104743
Submitted by:	bde [1] (not exact #ifdefs, but the values)
MFC after:	2 weeks
This commit is contained in:
Jilles Tjoelker 2011-03-03 22:34:13 +00:00
parent 5fb8c8d60c
commit 54574e2ab2
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=219256
1 changed files with 15 additions and 4 deletions
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19
include/limits.h
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@ -37,18 +37,27 @@
#if __POSIX_VISIBLE
#define _POSIX_ARG_MAX 4096
#define _POSIX_CHILD_MAX 25
#define _POSIX_LINK_MAX 8
#define _POSIX_MAX_CANON 255
#define _POSIX_MAX_INPUT 255
#define _POSIX_NAME_MAX 14
#define _POSIX_NGROUPS_MAX 8
#define _POSIX_OPEN_MAX 20
#define _POSIX_PATH_MAX 256
#define _POSIX_PIPE_BUF 512
#define _POSIX_SSIZE_MAX 32767
#define _POSIX_STREAM_MAX 8
#if __POSIX_VISIBLE >= 200112
#define _POSIX_CHILD_MAX 25
#define _POSIX_NGROUPS_MAX 8
#define _POSIX_OPEN_MAX 20
#define _POSIX_PATH_MAX 256
#define _POSIX_TZNAME_MAX 6
#else
#define _POSIX_CHILD_MAX 6
#define _POSIX_NGROUPS_MAX 0
#define _POSIX_OPEN_MAX 16
#define _POSIX_PATH_MAX 255
#define _POSIX_TZNAME_MAX 3
#endif
#define BC_BASE_MAX 99 /* max ibase/obase values in bc(1) */
#define BC_DIM_MAX 2048 /* max array elements in bc(1) */
@ -80,6 +89,8 @@
#define _POSIX_SEM_VALUE_MAX 32767
#define _POSIX_SIGQUEUE_MAX 32
#define _POSIX_TIMER_MAX 32
#define _POSIX_CLOCKRES_MIN 20000000
#endif
#if __POSIX_VISIBLE >= 199506