Merge branch 'collectd-5.4' into collectd-5.5

[collectd.git] / src / utils_mount.c

diff --git a/src/utils_mount.c b/src/utils_mount.c
index cae3706..4ec5fb7 100644 (file)
--- a/src/utils_mount.c
+++ b/src/utils_mount.c
@@ -12,29 +12,26 @@
  * ranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  * See the GNU General Public Licence for more details.
  *
- * You should have received a copy of the GNU General Public
- * Licence along with this program; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
- * USA.
+ * 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.,
+ * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  *
  * Author:
  *   Niki W. Waibel <niki.waibel@gmx.net>
 **/
 
-#if HAVE_CONFIG_H
-# include "config.h"
-#endif
+#include "collectd.h"
+#include "utils_mount.h"
+
+#include "common.h" /* sstrncpy() et alii */
+#include "plugin.h" /* ERROR() macro */
 
-#include "common.h"
 #if HAVE_XFS_XQM_H
 # include <xfs/xqm.h>
 #define XFS_SUPER_MAGIC_STR "XFSB"
 #define XFS_SUPER_MAGIC2_STR "BSFX"
 #endif
 
-#include "plugin.h"
-#include "utils_mount.h"
-
 #if HAVE_GETVFSSTAT
 #  if HAVE_SYS_TYPES_H
 #    include <sys/types.h>
@@ -432,16 +429,16 @@ static cu_mount_t *cu_mount_listmntent (void)
 #elif HAVE_GETVFSSTAT || HAVE_GETFSSTAT
 static cu_mount_t *cu_mount_getfsstat (void)
 {
-#if HAVE_GETVFSSTAT
-#  define STRUCT_STATFS struct statvfs
-#  define CMD_STATFS    getvfsstat
-#  define FLAGS_STATFS  ST_NOWAIT
-/* #endif HAVE_GETVFSSTAT */
-#elif HAVE_GETFSSTAT
+#if HAVE_GETFSSTAT
 #  define STRUCT_STATFS struct statfs
 #  define CMD_STATFS    getfsstat
 #  define FLAGS_STATFS  MNT_NOWAIT
-#endif /* HAVE_GETFSSTAT */
+/* #endif HAVE_GETFSSTAT */
+#elif HAVE_GETVFSSTAT
+#  define STRUCT_STATFS struct statvfs
+#  define CMD_STATFS    getvfsstat
+#  define FLAGS_STATFS  ST_NOWAIT
+#endif /* HAVE_GETVFSSTAT */
 
        int bufsize;
        STRUCT_STATFS *buf;
@@ -573,6 +570,64 @@ static cu_mount_t *cu_mount_gen_getmntent (void)
 #warn "This version of `getmntent' hat not yet been implemented!"
 /* #endif HAVE_SEQ_GETMNTENT */
 
+#elif HAVE_GETMNTENT_R
+static cu_mount_t *cu_mount_getmntent (void)
+{
+       FILE *fp;
+       struct mntent me;
+       char mntbuf[1024];
+
+       cu_mount_t *first = NULL;
+       cu_mount_t *last  = NULL;
+       cu_mount_t *new   = NULL;
+
+       DEBUG ("utils_mount: (void); COLLECTD_MNTTAB = %s", COLLECTD_MNTTAB);
+
+       if ((fp = setmntent (COLLECTD_MNTTAB, "r")) == NULL)
+       {
+               char errbuf[1024];
+               ERROR ("setmntent (%s): %s", COLLECTD_MNTTAB,
+                               sstrerror (errno, errbuf, sizeof (errbuf)));
+               return (NULL);
+       }
+
+       while (getmntent_r (fp, &me, mntbuf, sizeof (mntbuf) ))
+       {
+               if ((new = malloc (sizeof (cu_mount_t))) == NULL)
+                       break;
+               memset (new, '\0', sizeof (cu_mount_t));
+
+               /* Copy values from `struct mntent *' */
+               new->dir         = sstrdup (me.mnt_dir);
+               new->spec_device = sstrdup (me.mnt_fsname);
+               new->type        = sstrdup (me.mnt_type);
+               new->options     = sstrdup (me.mnt_opts);
+               new->device      = get_device_name (new->options);
+               new->next        = NULL;
+
+               DEBUG ("utils_mount: new = {dir = %s, spec_device = %s, type = %s, options = %s, device = %s}",
+                               new->dir, new->spec_device, new->type, new->options, new->device);
+
+               /* Append to list */
+               if (first == NULL)
+               {
+                       first = new;
+                       last  = new;
+               }
+               else
+               {
+                       last->next = new;
+                       last       = new;
+               }
+       }
+
+       endmntent (fp);
+
+       DEBUG ("utils_mount: return (0x%p)", (void *) first);
+
+       return (first);
+} /* HAVE_GETMNTENT_R */
+
 #elif HAVE_ONE_GETMNTENT
 static cu_mount_t *cu_mount_getmntent (void)
 {
@@ -704,13 +759,13 @@ void cu_mount_freelist (cu_mount_t *list)
 char *
 cu_mount_checkoption(char *line, char *keyword, int full)
 {
-       char *line2, *l2;
-       int l = strlen(keyword);
-       char *p1, *p2;
+       char *line2, *l2, *p1, *p2;
+       int l;
 
        if(line == NULL || keyword == NULL) {
                return NULL;
        }
+
        if(full != 0) {
                full = 1;
        }
@@ -724,6 +779,7 @@ cu_mount_checkoption(char *line, char *keyword, int full)
                l2++;
        }
 
+       l = strlen(keyword);
        p1 = line - 1;
        p2 = strchr(line, ',');
        do {
@@ -752,9 +808,6 @@ cu_mount_getoptionvalue(char *line, char *keyword)
                r += strlen(keyword);
                p = strchr(r, ',');
                if(p == NULL) {
-                       if(strlen(r) == 0) {
-                               return NULL;
-                       }
                        return sstrdup(r);
                } else {
                        char *m;