Author: kib
Date: Wed Jul 9 19:12:18 2014
New Revision: 268467
URL: http://svnweb.freebsd.org/changeset/base/268467
Log:
Implement sysconf(_SC_GETGR_R_SIZE_MAX) and sysconf(_SC_GETPW_R_SIZE_MAX).
Reported by: Dmitry Sivachenko <trtrmi...@gmail.com>
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Modified:
head/lib/libc/gen/sysconf.c
Modified: head/lib/libc/gen/sysconf.c
==============================================================================
--- head/lib/libc/gen/sysconf.c Wed Jul 9 19:11:57 2014 (r268466)
+++ head/lib/libc/gen/sysconf.c Wed Jul 9 19:12:18 2014 (r268467)
@@ -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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