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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 2004 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 
     31 #include <stdio.h>
     32 #include <errno.h>
     33 #include <string.h>
     34 #include <stdlib.h>
     35 #include <unistd.h>
     36 #include <stdarg.h>
     37 #include <wait.h>
     38 #include <signal.h>
     39 #include <sys/types.h>
     40 #include <sys/stat.h>
     41 #include <pwd.h>
     42 #include <grp.h>
     43 #include <fcntl.h>
     44 #include "pkglocale.h"
     45 #include "pkglibmsgs.h"
     46 #include "pkglib.h"
     47 
     48 #define	MAXARGS	64
     49 
     50 /*VARARGS4*/
     51 int
     52 pkgexecl(char *filein, char *fileout, char *uname, char *gname, ...)
     53 {
     54 	char		*arg[MAXARGS+1];
     55 	char		*pt;
     56 	int		n;
     57 	va_list		ap;
     58 
     59 	/* construct arg[] array from varargs passed in */
     60 
     61 	va_start(ap, gname);
     62 
     63 	n = 0;
     64 	while ((pt = va_arg(ap, char *)) != NULL) {
     65 		if (n >= MAXARGS) {
     66 			va_end(ap);
     67 			progerr(pkg_gt(ERR_TOO_MANY_ARGS),
     68 				arg[0] ? arg[0] : "??");
     69 			return (-1);
     70 		}
     71 		arg[n++] = pt;
     72 	}
     73 
     74 	arg[n] = NULL;
     75 	va_end(ap);
     76 
     77 	/* return results of executing command based on arg[] list */
     78 
     79 	return (pkgexecv(filein, fileout, uname, gname, arg));
     80 }
     81