usr/src/cmd/oamuser/lib/dates.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 (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  28 /*        All Rights Reserved   */
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #include <time.h>
  33
  34 extern int putenv();
  35
  36 static int mask_defined = 0;
  37
  38 static char *dmaskpath = "DATEMSK=/etc/datemsk";
  39
  40 /* Parse a date string and return time_t value */
  41 time_t
  42 p_getdate( string )
  43 char *string;
  44 {
  45         struct tm *tmptr, *getdate();
  46         time_t rtime;
  47
  48         if ( !mask_defined ) {
  49                 if ( putenv( dmaskpath ) != 0 )
  50                         return( (time_t) 0 );
  51                 mask_defined = 1;
  52         }
  53         if( !(tmptr = getdate( string )) )
  54                 return( (time_t) 0 );
  55         if ( (rtime = mktime( tmptr )) < 0)
  56                 return( (time_t) 0);
  57         return( rtime );
  58 }
  59