[monitoring-plugins] check_swap: Handle cached swap

[mdavranche]

 Module: monitoring-plugins
 Branch: master
 Commit: 11af74de386ba7c02d5d0e53f2500b5029a4537d
 Author: mdavranche <mdavranche at erine.email>
   Date: Tue Aug 18 15:37:38 2020 -0400
    URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=11af74d

check_swap: Handle cached swap

---

 plugins/check_swap.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/plugins/check_swap.c b/plugins/check_swap.c
index 0ff0c77..ce3f1d7 100644
--- a/plugins/check_swap.c
+++ b/plugins/check_swap.c
@@ -133,7 +133,7 @@ main (int argc, char **argv)
 					xasprintf (&status, "%s [%.0f (%d%%)]", status, dskfree_mb, 100 - percent);
 			}
 		}
-		else if (sscanf (input_buffer, "%*[S]%*[w]%*[a]%*[p]%[TotalFre]%*[:] %f %*[k]%*[B]", str, &tmp_mb)) {
+		else if (sscanf (input_buffer, "%*[S]%*[w]%*[a]%*[p]%[TotalFreCchd]%*[:] %f %*[k]%*[B]", str, &tmp_mb)) {
 			if (verbose >= 3) {
 				printf("Got %s with %f\n", str, tmp_mb);
 			}
@@ -142,7 +142,10 @@ main (int argc, char **argv)
 				dsktotal_mb = tmp_mb / 1024;
 			}
 			else if (strcmp ("Free", str) == 0) {
-				dskfree_mb = tmp_mb / 1024;
+				dskfree_mb = dskfree_mb + tmp_mb / 1024;
+			}
+			else if (strcmp ("Cached", str) == 0) {
+				dskfree_mb = dskfree_mb + tmp_mb / 1024;
 			}
 		}
 	}