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      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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     28 
     29 #pragma weak _getexecname = getexecname
     30 
     31 #include "lint.h"
     32 #include <stdlib.h>
     33 #include <unistd.h>
     34 #include <sys/types.h>
     35 #include <sys/auxv.h>
     36 
     37 extern void *___getauxptr(int type);
     38 
     39 /*
     40  * Return the pointer to the fully-resolved path name of the process's
     41  * executable file obtained from the AT_SUN_EXECNAME aux vector entry.
     42  */
     43 const char *
     44 getexecname(void)
     45 {
     46 	return ((const char *)___getauxptr(AT_SUN_EXECNAME));
     47 }
     48