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authorKarel Zak2013-08-20 14:35:13 +0200
committerKarel Zak2013-08-20 14:35:13 +0200
commita2f17bb24ee7c3dd25639f78d5fd123161392e0c (patch)
tree1698c88363d887155b5054b8bfd1076dee3fe7c0 /sys-utils/swapon.c
parentpylibmount: coding style changes, don't touch Context() status (diff)
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libmount: add mnt_table_is_empty(), improve table list usage
Currently you have to use mnt_table_remove_fs() + mnt_free_fs() to destroy the list in the table. This is complicated in same situations. This patch allows to use mnt_free_fs() only. Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'sys-utils/swapon.c')
-rw-r--r--sys-utils/swapon.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/sys-utils/swapon.c b/sys-utils/swapon.c
index f1e243375..4b4b7160c 100644
--- a/sys-utils/swapon.c
+++ b/sys-utils/swapon.c
@@ -188,12 +188,14 @@ static int display_summary(void)
if (!st)
return -1;
+ if (mnt_table_is_empty(st))
+ return 0;
+
itr = mnt_new_iter(MNT_ITER_FORWARD);
if (!itr)
err(EXIT_FAILURE, _("failed to initialize libmount iterator"));
- if (mnt_table_get_nents(st) > 0)
- printf(_("%s\t\t\t\tType\t\tSize\tUsed\tPriority\n"), _("Filename"));
+ printf(_("%s\t\t\t\tType\t\tSize\tUsed\tPriority\n"), _("Filename"));
while (mnt_table_next_fs(st, itr, &fs) == 0) {
printf("%-39s\t%s\t%jd\t%jd\t%d\n",