usr/src/lib/libbc/libc/gen/common/time.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 #pragma ident   "%Z%%M% %I%     %E% SMI"
  23           /* from UCB 4.2 83/02/27 */
  24
  25 /*
  26  * Backwards compatible time call.
  27  */
  28 #include <sys/types.h>
  29 #include <sys/time.h>
  30
  31 time_t
  32 time(t)
  33         time_t *t;
  34 {
  35         struct timeval tt;
  36
  37         if (gettimeofday(&tt, (struct timezone *)0) < 0)
  38                 return (-1);
  39         if (t)
  40                 *t = tt.tv_sec;
  41         return (tt.tv_sec);
  42 }