svn commit: r268741 - stable/10/lib/libc/gen
Konstantin Belousov
kib at FreeBSD.org
Wed Jul 16 08:52:44 UTC 2014
Author: kib
Date: Wed Jul 16 08:52:44 2014
New Revision: 268741
URL: http://svnweb.freebsd.org/changeset/base/268741
Log:
MFC r268467:
Implement sysconf(_SC_GETGR_R_SIZE_MAX) and sysconf(_SC_GETPW_R_SIZE_MAX).
Modified:
stable/10/lib/libc/gen/sysconf.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/lib/libc/gen/sysconf.c
==============================================================================
--- stable/10/lib/libc/gen/sysconf.c Wed Jul 16 06:25:44 2014 (r268740)
+++ stable/10/lib/libc/gen/sysconf.c Wed Jul 16 08:52:44 2014 (r268741)
@@ -367,11 +367,17 @@ yesno:
* _POSIX_FILE_LOCKING, so we can't answer this one.
*/
#endif
-#if _POSIX_THREAD_SAFE_FUNCTIONS > -1
+
+ /*
+ * SUSv4tc1 says the following about _SC_GETGR_R_SIZE_MAX and
+ * _SC_GETPW_R_SIZE_MAX:
+ * Note that sysconf(_SC_GETGR_R_SIZE_MAX) may return -1 if
+ * there is no hard limit on the size of the buffer needed to
+ * store all the groups returned.
+ */
case _SC_GETGR_R_SIZE_MAX:
case _SC_GETPW_R_SIZE_MAX:
-#error "somebody needs to implement this"
-#endif
+ return (-1);
case _SC_HOST_NAME_MAX:
return (MAXHOSTNAMELEN - 1); /* does not include \0 */
case _SC_LOGIN_NAME_MAX:
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