utils_mount.c: Fixed an unused variable warning on some systems.

This warning appeared on systems using listmntent() or getv?fsstat() when
compiling with debugging disabled only. It was caused by the declaration of a
character array for use with sstrerror() inside a call to DEBUG().

Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>

diff --git a/src/utils_mount.c b/src/utils_mount.c
index efaa92f..44ad7ea 100644 (file)
--- a/src/utils_mount.c
+++ b/src/utils_mount.c
@@ -383,9 +383,11 @@ static cu_mount_t *cu_mount_listmntent (void)
 
        struct tabmntent *mntlist;
        if(listmntent(&mntlist, COLLECTD_MNTTAB, NULL, NULL) < 0) {
+#if COLLECT_DEBUG
                char errbuf[1024];
                DEBUG("utils_mount: calling listmntent() failed: %s",
                                sstrerror (errno, errbuf, sizeof (errbuf)));
+#endif /* COLLECT_DEBUG */
        }
 
        for(p = mntlist; p; p = p->next) {
@@ -454,9 +456,11 @@ static cu_mount_t *cu_mount_getfsstat (void)
        /* Get the number of mounted file systems */
        if ((bufsize = CMD_STATFS (NULL, 0, FLAGS_STATFS)) < 1)
        {
+#if COLLECT_DEBUG
                char errbuf[1024];
                DEBUG ("utils_mount: getv?fsstat failed: %s",
                                sstrerror (errno, errbuf, sizeof (errbuf)));
+#endif /* COLLECT_DEBUG */
                return (NULL);
        }
 
@@ -469,9 +473,11 @@ static cu_mount_t *cu_mount_getfsstat (void)
         * manpage.. -octo */
        if ((num = CMD_STATFS (buf, bufsize * sizeof (STRUCT_STATFS), FLAGS_STATFS)) < 1)
        {
+#if COLLECT_DEBUG
                char errbuf[1024];
                DEBUG ("utils_mount: getv?fsstat failed: %s",
                                sstrerror (errno, errbuf, sizeof (errbuf)));
+#endif /* COLLECT_DEBUG */
                free (buf);
                return (NULL);
        }