2 * Amanda, The Advanced Maryland Automatic Network Disk Archiver
3 * Copyright (c) 1991-1998 University of Maryland at College Park
6 * Permission to use, copy, modify, distribute, and sell this software and its
7 * documentation for any purpose is hereby granted without fee, provided that
8 * the above copyright notice appear in all copies and that both that
9 * copyright notice and this permission notice appear in supporting
10 * documentation, and that the name of U.M. not be used in advertising or
11 * publicity pertaining to distribution of the software without specific,
12 * written prior permission. U.M. makes no representations about the
13 * suitability of this software for any purpose. It is provided "as is"
14 * without express or implied warranty.
16 * U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M.
18 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
19 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
20 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
21 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23 * Authors: the Amanda Development Team. Its members are listed in a
24 * file named AUTHORS, in the root directory of this distribution.
26 /* $Id: disk_history.c,v 1.12 2006/01/16 00:07:01 martinea Exp $
28 * functions for obtaining backup history
32 #include "disk_history.h"
34 static DUMP_ITEM *disk_hist = NULL;
36 void clear_list P((void))
38 DUMP_ITEM *item, *this;
45 while(this->tapes != NULL) {
46 tapelist_t *tapes = this->tapes;
47 this->tapes = tapes->next;
57 /* add item, maintain list ordered by oldest date last */
58 void add_dump(date, level, tape, file, partnum)
65 DUMP_ITEM *new, *item, *before;
68 new = (DUMP_ITEM *)alloc(sizeof(DUMP_ITEM));
69 strncpy(new->date, date, sizeof(new->date)-1);
70 new->date[sizeof(new->date)-1] = '\0';
72 strncpy(new->tape, tape, sizeof(new->tape)-1);
73 new->tape[sizeof(new->tape)-1] = '\0';
75 if(partnum == -1) new->is_split = 0;
76 else new->is_split = 1;
79 if(new->tape[0] == '/') isafile = 1; /* XXX kludgey, like this whole thing */
81 if (disk_hist == NULL)
84 new->tapes = append_to_tapelist(new->tapes, tape, file, isafile);
89 /* see if we already have part of this dump somewhere */
91 for(item = disk_hist; item; item = item->next){
92 if (!strcmp(item->date, new->date) &&
93 item->level == new->level && item->is_split){
94 item->tapes = append_to_tapelist(item->tapes, tape, file, isafile);
101 new->tapes = append_to_tapelist(new->tapes, tape, file, isafile);
103 /* prepend this item to the history list, if it's newer */
104 /* XXX this should probably handle them being on the same date with
105 datestamp_uax or something */
106 if (strcmp(disk_hist->date, new->date) <= 0)
108 new->next = disk_hist;
113 /* append this item to the history list, if it's older */
115 item = disk_hist->next;
116 while ((item != NULL) && (strcmp(item->date, new->date) > 0))
126 DUMP_ITEM *first_dump P((void))
131 DUMP_ITEM *next_dump(item)