Author: jilles
Date: Thu Mar 3 22:34:13 2011
New Revision: 219256
URL: http://svn.freebsd.org/changeset/base/219256
Log:
Fix some _POSIX minimum/maximum values in limits.h:
* 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
Modified:
head/include/limits.h
Modified: head/include/limits.h
==============================================================================
--- head/include/limits.h Thu Mar 3 22:09:10 2011 (r219255)
+++ head/include/limits.h Thu Mar 3 22:34:13 2011 (r219256)
@@ -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
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