Fix check_disk free space calculation if blocksizes differ within a disk group (Bekar...

[nagiosplug.git] / lib / utils_disk.c

diff --git a/lib/utils_disk.c b/lib/utils_disk.c
index 877b80d91ed52db61bf2181aa84864da128cb52b..5be2b2c07bd498e991b8f6519d7348bb31d8f7a9 100644 (file)
--- a/lib/utils_disk.c
+++ b/lib/utils_disk.c
@@ -1,32 +1,28 @@
-/****************************************************************************
-* Utils for check_disk
-*
+/*****************************************************************************
+* 
+* Library for check_disk
+* 
 * License: GPL
-* Copyright (c) 1999-2006 nagios-plugins team
-*
-* Last Modified: $Date$
-*
+* Copyright (c) 1999-2007 Nagios Plugins Development Team
+* 
 * Description:
-*
+* 
 * This file contains utilities for check_disk. These are tested by libtap
-*
-* License Information:
-*
-* This program is free software; you can redistribute it and/or modify
+* 
+* 
+* This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
-* the Free Software Foundation; either version 2 of the License, or
+* the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
-*
+* 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
-*
+* 
 * You should have received a copy of the GNU General Public License
-* along with this program; if not, write to the Free Software
-* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*
-* $Id$
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+* 
 * 
 *****************************************************************************/
 
@@ -62,6 +58,19 @@ np_add_parameter(struct parameter_list **list, const char *name)
   new_path->usedinodes_percent = NULL;
   new_path->freeinodes_percent = NULL;
   new_path->group = NULL;
+  new_path->dfree_pct = -1;
+  new_path->dused_pct = -1; 
+  new_path->total = 0;
+  new_path->available = 0;
+  new_path->available_to_root = 0;
+  new_path->used = 0;
+  new_path->dused_units = 0;
+  new_path->dfree_units = 0;
+  new_path->dtotal_units = 0;
+  new_path->inodes_total = 0;
+  new_path->inodes_free = 0;
+  new_path->dused_inodes_percent = 0;
+  new_path->dfree_inodes_percent = 0;
 
   if (current == NULL) {
     *list = new_path;
@@ -74,6 +83,25 @@ np_add_parameter(struct parameter_list **list, const char *name)
   return new_path;
 }
 
+/* Delete a given parameter from list and return pointer to next element*/
+struct parameter_list *
+np_del_parameter(struct parameter_list *item, struct parameter_list *prev)
+{
+  struct parameter_list *next;
+
+  if (item->name_next)
+    next = item->name_next;
+  else
+    next = NULL;
+
+  free(item);
+  if (prev)
+    prev->name_next = next;
+
+  return next;
+}
+
+
 /* returns a pointer to the struct found in the list */
 struct parameter_list *
 np_find_parameter(struct parameter_list *list, const char *name)
@@ -83,7 +111,7 @@ np_find_parameter(struct parameter_list *list, const char *name)
     if (! strcmp(temp_list->name, name))
         return temp_list;
   }
-        
+
   return NULL;
 }
 
@@ -98,25 +126,26 @@ np_set_best_match(struct parameter_list *desired, struct mount_entry *mount_list
       size_t best_match_len = 0;
       struct mount_entry *best_match = NULL;
 
+      /* set best match if path name exactly matches a mounted device name */
       for (me = mount_list; me; me = me->me_next) {
-        size_t len = strlen (me->me_mountdir);
-        if ((exact == FALSE && (best_match_len <= len && len <= name_len && 
-          (len == 1 || strncmp (me->me_mountdir, d->name, len) == 0)))
-      || (exact == TRUE && strcmp(me->me_mountdir, d->name)==0))
-        {
+        if (strcmp(me->me_devname, d->name)==0)
           best_match = me;
-          best_match_len = len;
-        } else {
-          len = strlen (me->me_devname);
+      }
+
+      /* set best match by directory name if no match was found by devname */
+      if (! best_match) {
+        for (me = mount_list; me; me = me->me_next) {
+          size_t len = strlen (me->me_mountdir);
           if ((exact == FALSE && (best_match_len <= len && len <= name_len &&
-            (len == 1 || strncmp (me->me_devname, d->name, len) == 0)))
-            || (exact == TRUE && strcmp(me->me_devname, d->name)==0))
+             (len == 1 || strncmp (me->me_mountdir, d->name, len) == 0)))
+             || (exact == TRUE && strcmp(me->me_mountdir, d->name)==0))
           {
             best_match = me;
             best_match_len = len;
           }
         }
       }
+
       if (best_match) {
         d->best_match = best_match;
       } else {
@@ -155,3 +184,14 @@ np_seen_name(struct name_list *list, const char *name)
   return FALSE;
 }
 
+int
+np_regex_match_mount_entry (struct mount_entry* me, regex_t* re)
+{
+  if (regexec(re, me->me_devname, (size_t) 0, NULL, 0) == 0 ||
+      regexec(re, me->me_mountdir, (size_t) 0, NULL, 0) == 0 ) {
+    return TRUE;
+  } else {
+    return FALSE;
+  }
+}
+