usr/src/cmd/svr4pkg/libinst/eptstat.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 2006 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 <stdlib.h>
  34 #include <unistd.h>
  35 #include <string.h>
  36 #include <malloc.h>
  37 #include <assert.h>
  38 #include <sys/stat.h>
  39 #include <pkgstrct.h>
  40 #include <pkginfo.h>
  41 #include <locale.h>
  42 #include <libintl.h>
  43 #include <pkglib.h>
  44 #include <install.h>
  45 #include <libinst.h>
  46 #include <libadm.h>
  47
  48 #define PINFOALLOC      200
  49
  50 #define ERR_MEMORY      "memory allocation failure, errno=%d"
  51
  52 int     otherstoo;
  53 char    *useclass;
  54
  55 static int pinfo_handle = -1;
  56
  57 /* Free all allocated package info structures. */
  58 void
  59 pinfo_free(void)
  60 {
  61         bl_free(pinfo_handle);
  62 }
  63
  64 /*
  65  * This function manipulates the pinfo entry corresponding to the package
  66  * indicated on the command line.
  67  */
  68 struct pinfo *
  69 eptstat(struct cfent *entry, char *pkg, char c)
  70 {
  71         struct pinfo *pinfo, *last, *me, *myparent;
  72
  73         otherstoo = 0;
  74         useclass = entry->pkg_class;
  75
  76         me = myparent = last = (struct pinfo *)0;
  77
  78         if (pinfo_handle == -1) {
  79                 pinfo_handle = bl_create(PINFOALLOC, sizeof (struct pinfo),
  80                     "package data");
  81         }
  82
  83         for (pinfo = entry->pinfo; pinfo; pinfo = pinfo->next) {
  84                 if (strcmp(pkg, pinfo->pkg) == 0) {
  85                         if (*pinfo->aclass)
  86                                 useclass = pinfo->aclass;
  87                         myparent = last;
  88                         me = pinfo;
  89                 } else
  90                         otherstoo++;
  91                 last = pinfo;
  92         }
  93
  94         if (c) {
  95                 /*
  96                  * use a delete/add strategy to keep package list
  97                  * ordered by modification time
  98                  */
  99                 if (me) {
 100                         /* remove from list first */
 101                         if (myparent)
 102                                 myparent->next = me->next;
 103                         else
 104                                 entry->pinfo = me->next;
 105                         if (me == last)
 106                                 last = myparent;
 107                         entry->npkgs--;
 108                         /* leave 'me' around until later! */
 109                 }
 110                 if ((c != STAT_NEXT) && (me || (c != RM_RDY))) {
 111                         /* need to add onto end */
 112                         entry->npkgs++;
 113                         if (me == NULL) {
 114                                 /* LINTED pointer cast may result in impro... */
 115                                 me = (struct pinfo *)
 116                                     bl_next_avail(pinfo_handle);
 117                                 if (me == NULL) {
 118                                         progerr(gettext(ERR_MEMORY), errno);
 119                                         quit(99);
 120                                 }
 121                         } else {
 122                                 me->next = (struct pinfo *)NULL;
 123                                 if (entry->npkgs == 1) {
 124                                         if (me->aclass[0])
 125                                                 (void) strcpy(entry->pkg_class,
 126                                                         me->aclass);
 127                                         useclass = entry->pkg_class;
 128                                 } else
 129                                         useclass = me->aclass;
 130                         }
 131                         (void) strncpy(me->pkg, pkg, PKGSIZ);
 132
 133                         /*
 134                          * Only change status for local objects.  Need
 135                          * to maintain "shared" status for objects that
 136                          * are provided from a server.
 137                          */
 138                         if (me->status != SERVED_FILE)
 139                                 me->status = ((c == DUP_ENTRY) ? '\0' : c);
 140
 141                         if (last)
 142                                 last->next = me; /* add to end */
 143                         else
 144                                 entry->pinfo = me; /* only item */
 145                 } else {
 146                         /* just wanted to remove this package from list */
 147                         if (me) {
 148                                 free(me);
 149                                 me = (struct pinfo *)0;
 150                         }
 151                 }
 152         }
 153         return (me);
 154 }