From bf8eb6dcc7f9d1318ddeac16fe62a5b5f818524b Mon Sep 17 00:00:00 2001
From: RincewindsHat <12514511+RincewindsHat@users.noreply.github.com>
Date: Fri, 26 May 2023 08:43:24 +0200
Subject: check_disk: Display SI units correctly

---
 plugins/check_disk.c | 27 +++++++++++++++++++++------
 1 file changed, 21 insertions(+), 6 deletions(-)

diff --git a/plugins/check_disk.c b/plugins/check_disk.c
index a99f35e3..39dc6cd2 100644
--- a/plugins/check_disk.c
+++ b/plugins/check_disk.c
@@ -626,21 +626,36 @@ process_arguments (int argc, char **argv)
       if (! strcasecmp (optarg, "bytes")) {
         mult = (uintmax_t)1;
         units = strdup ("B");
-      } else if ( (! strcmp (optarg, "kB")) || (!strcmp(optarg, "KiB")) ) {
+      } else if (!strcmp(optarg, "KiB")) {
         mult = (uintmax_t)1024;
-        units = strdup ("kiB");
-      } else if ( (! strcmp (optarg, "MB")) || (!strcmp(optarg, "MiB")) )  {
+        units = strdup ("KiB");
+      } else if (! strcmp (optarg, "kB")) {
+        mult = (uintmax_t)1000;
+        units = strdup ("kB");
+      } else if (!strcmp(optarg, "MiB")) {
         mult = (uintmax_t)1024 * 1024;
         units = strdup ("MiB");
-      } else if ( (! strcmp (optarg, "GB")) || (!strcmp(optarg, "GiB")) ) {
+      } else if (! strcmp (optarg, "MB")) {
+        mult = (uintmax_t)1000 * 1000;
+        units = strdup ("MB");
+      } else if (!strcmp(optarg, "GiB")) {
         mult = (uintmax_t)1024 * 1024 * 1024;
         units = strdup ("GiB");
-      } else if ( (! strcmp (optarg, "TB")) || (!strcmp(optarg, "TiB")) ) {
+      } else if (! strcmp (optarg, "GB")){
+        mult = (uintmax_t)1000 * 1000 * 1000;
+        units = strdup ("GB");
+      } else if (!strcmp(optarg, "TiB")) {
         mult = (uintmax_t)1024 * 1024 * 1024 * 1024;
         units = strdup ("TiB");
-      } else if ( (! strcmp (optarg, "PB")) || (!strcmp(optarg, "PiB")) ) {
+      } else if (! strcmp (optarg, "TB")) {
+        mult = (uintmax_t)1000 * 1000 * 1000 * 1000;
+        units = strdup ("TB");
+      } else if (!strcmp(optarg, "PiB")) {
         mult = (uintmax_t)1024 * 1024 * 1024 * 1024 * 1024;
         units = strdup ("PiB");
+      } else if (! strcmp (optarg, "PB")){
+        mult = (uintmax_t)1000 * 1000 * 1000 * 1000 * 1000;
+        units = strdup ("PB");
       } else {
         die (STATE_UNKNOWN, _("unit type %s not known\n"), optarg);
       }
-- 
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