1 /****************************************************************************
2 * Utils for check_disk
3 *
4 * License: GPL
5 * Copyright (c) 1999-2006 nagios-plugins team
6 *
7 * Last Modified: $Date$
8 *
9 * Description:
10 *
11 * This file contains utilities for check_disk. These are tested by libtap
12 *
13 * License Information:
14 *
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2 of the License, or
18 * (at your option) any later version.
19 *
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, write to the Free Software
27 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 *
29 * $Id$
30 *
31 *****************************************************************************/
33 #include "common.h"
34 #include "utils_disk.h"
36 void
37 np_add_name (struct name_list **list, const char *name)
38 {
39 struct name_list *new_entry;
40 new_entry = (struct name_list *) malloc (sizeof *new_entry);
41 new_entry->name = (char *) name;
42 new_entry->next = *list;
43 *list = new_entry;
44 }
46 /* Initialises a new parameter at the end of list */
47 struct parameter_list *
48 np_add_parameter(struct parameter_list **list, const char *name)
49 {
50 struct parameter_list *current = *list;
51 struct parameter_list *new_path;
52 new_path = (struct parameter_list *) malloc (sizeof *new_path);
53 new_path->name = (char *) name;
54 new_path->best_match = NULL;
55 new_path->name_next = NULL;
56 new_path->freespace_bytes = NULL;
57 new_path->freespace_units = NULL;
58 new_path->freespace_percent = NULL;
59 new_path->usedspace_bytes = NULL;
60 new_path->usedspace_units = NULL;
61 new_path->usedspace_percent = NULL;
62 new_path->usedinodes_percent = NULL;
63 new_path->freeinodes_percent = NULL;
65 if (current == NULL) {
66 *list = new_path;
67 } else {
68 while (current->name_next) {
69 current = current->name_next;
70 }
71 current->name_next = new_path;
72 }
73 return new_path;
74 }
76 /* returns a pointer to the struct found in the list */
77 struct parameter_list *
78 np_find_parameter(struct parameter_list *list, const char *name)
79 {
80 struct parameter_list *temp_list;
81 for (temp_list = list; temp_list; temp_list = temp_list->name_next) {
82 if (! strcmp(temp_list->name, name))
83 return temp_list;
84 }
86 return NULL;
87 }
89 void
90 np_set_best_match(struct parameter_list *desired, struct mount_entry *mount_list, int exact)
91 {
92 struct parameter_list *d;
93 for (d = desired; d; d= d->name_next) {
94 if (! d->best_match) {
95 struct mount_entry *me;
96 size_t name_len = strlen(d->name);
97 size_t best_match_len = 0;
98 struct mount_entry *best_match = NULL;
100 for (me = mount_list; me; me = me->me_next) {
101 size_t len = strlen (me->me_mountdir);
102 if ((exact == FALSE && (best_match_len <= len && len <= name_len &&
103 (len == 1 || strncmp (me->me_mountdir, d->name, len) == 0)))
104 || (exact == TRUE && strcmp(me->me_mountdir, d->name)==0))
105 {
106 best_match = me;
107 best_match_len = len;
108 } else {
109 len = strlen (me->me_devname);
110 if ((exact == FALSE && (best_match_len <= len && len <= name_len &&
111 (len == 1 || strncmp (me->me_devname, d->name, len) == 0)))
112 || (exact == TRUE && strcmp(me->me_devname, d->name)==0))
113 {
114 best_match = me;
115 best_match_len = len;
116 }
117 }
118 }
119 if (best_match) {
120 d->best_match = best_match;
121 } else {
122 d->best_match = NULL; /* Not sure why this is needed as it should be null on initialisation */
123 }
124 }
125 }
126 }
128 /* Returns TRUE if name is in list */
129 int
130 np_find_name (struct name_list *list, const char *name)
131 {
132 const struct name_list *n;
134 if (list == NULL || name == NULL) {
135 return FALSE;
136 }
137 for (n = list; n; n = n->next) {
138 if (!strcmp(name, n->name)) {
139 return TRUE;
140 }
141 }
142 return FALSE;
143 }
145 int
146 np_seen_name(struct name_list *list, const char *name)
147 {
148 const struct name_list *s;
149 for (s = list; s; s=s->next) {
150 if (!strcmp(s->name, name)) {
151 return TRUE;
152 }
153 }
154 return FALSE;
155 }