1 files changed, 169 insertions, 0 deletions
diff --git a/usr/src/lib/libadm/common/listdgrp.c b/usr/src/lib/libadm/common/listdgrp.c
new file mode 100644
index 0000000000..fd7747919e
--- /dev/null
+++ b/usr/src/lib/libadm/common/listdgrp.c
@@ -0,0 +1,169 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
+/*	  All Rights Reserved  	*/
+
+
+/*
+ * Copyright (c) 1997, by Sun Microsystems, Inc.
+ * All rights reserved.
+ */
+
+#pragma	ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.1 */
+/*LINTLIBRARY*/
+
+/*
+ *  listdgrp.c
+ *
+ *  Contents:
+ *	listdgrp()	List devices that belong to a device group.
+ */
+
+/*
+ * Header files referenced:
+ *	<sys/types.h>	System Data Types
+ *	<errno.h>	UNIX and C error definitions
+ *	<string.h>	String handling definitions
+ *	<devmgmt.h>	Device management definitions
+ *	"devtab.h"	Local device table definitions
+ */
+
+#include	<sys/types.h>
+#include	<errno.h>
+#include	<string.h>
+#include	<stdlib.h>
+#include	<devmgmt.h>
+#include	"devtab.h"
+
+/*
+ * Local definitions
+ */
+
+
+/*
+ *  Structure definitions:
+ */
+
+/*
+ * Local functions referenced
+ */
+
+/*
+ * Global Data
+ */
+
+/*
+ * Static Data
+ */
+
+/*
+ * char **listdgrp(dgroup)
+ *	char   *dgroup
+ *
+ *	List the members of a device group.
+ *
+ *  Arguments:
+ *	char *dgroup	The device group needed
+ *
+ *  Returns:  char **
+ *	A pointer to a list of pointers to char-strings containing
+ *	the members of the device group.
+ *
+ *  Notes:
+ *    -	malloc()ed space containing addresses
+ */
+
+char  **
+listdgrp(char *dgroup)	/* The device group to list */
+{
+	/* Automatic data */
+	struct dgrptabent	*dgrpent;	/* Device group description */
+	struct member		*member;	/* Device group member */
+	char			**listbuf;	/* Buffer allocated for addrs */
+	char			**rtnval;	/* Value to return */
+	char			**pp;		/* Running ptr through addrs */
+	int			noerror;	/* Flag, TRUE if all's well */
+	int			n;		/* Counter */
+
+
+	/*
+	 *  Initializations
+	 */
+
+	/*
+	 *  Get the record for this device group
+	 */
+
+	if (dgrpent = _getdgrprec(dgroup)) {
+
+	    /*  Count the number of members in the device group  */
+	    n = 1;
+	    for (member = dgrpent->membership; member; member = member->next)
+		n++;
+
+	    /*  Get space for the list to return  */
+	    if (listbuf = malloc(n*sizeof (char **))) {
+
+		/*
+		 *  For each member in the device group, add that device
+		 *  name to the list of devices we're building
+		 */
+
+		pp = listbuf;
+		noerror = TRUE;
+		for (member = dgrpent->membership; noerror && member;
+		    member = member->next) {
+
+		    if (*pp = malloc(strlen(member->name)+1))
+
+			(void) strcpy(*pp++, member->name);
+		    else noerror = FALSE;
+		}
+
+
+		/*
+		 *  If there's no error, terminate the list we've built.
+		 *  Otherwise, free the space allocated to the stuff we've built
+		 */
+
+		if (noerror) {
+		    *pp = NULL;
+		    rtnval = listbuf;
+		} else {
+		    /*  Some error occurred.  Clean up allocations  */
+		    for (pp = listbuf; *pp; pp++) free(*pp);
+		    free(listbuf);
+		    rtnval = NULL;
+		}
+
+	    }  /* if (malloc()) */
+
+	    /*  Free space alloced to the device group entry  */
+	    _freedgrptabent(dgrpent);
+
+	}  /* if (_getdgrprec()) */
+	else rtnval = NULL;
+
+
+	/*  Finished -- wasn't that simple?  */
+	return (rtnval);
+}