Update copyright dates with scripts/update-copyrights.

[thirdparty/glibc.git] / sysdeps / posix / getdtsz.c

diff --git a/sysdeps/posix/getdtsz.c b/sysdeps/posix/getdtsz.c
index 2080dc7c51e973b035a6ba87060396151b0390de..ea1c66ca0bb54b912eb2009beada2d94251a6020 100644 (file)
--- a/sysdeps/posix/getdtsz.c
+++ b/sysdeps/posix/getdtsz.c
@@ -1,32 +1,35 @@
-/* Copyright (C) 1991, 1993, 1995 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1991-2016 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
 
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-Library General Public License for more details.
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
 
-#include <ansidecl.h>
+#include <limits.h>
 #include <unistd.h>
-
-extern long int EXFUN(__sysconf, (int));
+#include <sys/resource.h>
 
 /* Return the maximum number of file descriptors
    the current process could possibly have.  */
 int
-DEFUN_VOID(__getdtablesize)
+__getdtablesize (void)
 {
-  return __sysconf (_SC_OPEN_MAX);
+  struct rlimit ru;
+
+  /* This should even work if `getrlimit' is not implemented.  POSIX.1
+     does not define this function but we will generate a stub which
+     returns -1.  */
+  return __getrlimit (RLIMIT_NOFILE, &ru) < 0 ? OPEN_MAX : ru.rlim_cur;
 }
 
 weak_alias (__getdtablesize, getdtablesize)