3 files changed, 14 insertions, 4 deletions

diff --git a/NEWS b/NEWS
index 6473ec8..a481b58 100644
--- a/NEWS
+++ b/NEWS
@@ -15,6 +15,7 @@ This file documents the major additions and syntax changes between releases.
           implement stratum thresholds support (feature request #1703823).
         Fix check_disk reporting OK if disk usage grows over 100% (bug #1348746).
           The problem happens to be in Gnulib but a workaround have been implemented in check_disk.c
+        Fix check_load argument handling when not passing triplets (bug #1831890)
 
 1.4.10 28th September 2007
         Fix check_http buffer overflow vulnerability when following HTTP redirects
diff --git a/plugins/check_load.c b/plugins/check_load.c
index 9de8ff7..5503204 100644
--- a/plugins/check_load.c
+++ b/plugins/check_load.c
@@ -77,6 +77,7 @@ static void
 get_threshold(char *arg, double *th)
 {
         size_t i, n;
+        int valid = 0;
         char *str = arg, *p;
 
         n = strlen(arg);
@@ -84,12 +85,13 @@ get_threshold(char *arg, double *th)
                 th[i] = strtod(str, &p);
                 if(p == str) break;
 
+                valid = 1;
                 str = p + 1;
                 if(n <= (size_t)(str - arg)) break;
         }
 
         /* empty argument or non-floatish, so warn about it and die */
-        if(!i) usage (_("Warning threshold must be float or float triplet!\n"));
+        if(!i && !valid) usage (_("Warning threshold must be float or float triplet!\n"));
 
         if(i != 2) {
                 /* one or more numbers were given, so fill array with last
diff --git a/plugins/t/check_load.t b/plugins/t/check_load.t
index da87d16..8987b84 100644
--- a/plugins/t/check_load.t
+++ b/plugins/t/check_load.t
@@ -11,10 +11,11 @@ use NPTest;
 
 my $res;
 
-my $successOutput = '/^OK - load average: [0-9]+\.?[0-9]+, [0-9]+\.?[0-9]+, [0-9]+\.?[0-9]+/';
-my $failureOutput = '/^CRITICAL - load average: [0-9]+\.?[0-9]+, [0-9]+\.?[0-9]+, [0-9]+\.?[0-9]+/';
+my $loadValue = "[0-9]+\.?[0-9]+";
+my $successOutput = "/^OK - load average: $loadValue, $loadValue, $loadValue/";
+my $failureOutput = "/^CRITICAL - load average: $loadValue, $loadValue, $loadValue/";
 
-plan tests => 6;
+plan tests => 11;
 
 $res = NPTest->testCmd( "./check_load -w 100,100,100 -c 100,100,100" );
 cmp_ok( $res->return_code, 'eq', 0, "load not over 100");
@@ -28,3 +29,9 @@ $res = NPTest->testCmd( "./check_load -r -w 0,0,0 -c 0,0,0" );
 cmp_ok( $res->return_code, 'eq', 2, "Load over 0 with per cpu division");
 like( $res->output, $failureOutput, "Output OK");
 
+$res = NPTest->testCmd( "./check_load -w 100 -c 100,110" );
+cmp_ok( $res->return_code, 'eq', 0, "Plugin can handle non-triplet-arguments");
+like( $res->output, $successOutput, "Output OK");
+like( $res->perf_output, "/load1=$loadValue;100.000;100.000/", "Test handling of non triplet thresholds (load1)");
+like( $res->perf_output, "/load5=$loadValue;100.000;110.000/", "Test handling of non triplet thresholds (load5)");
+like( $res->perf_output, "/load15=$loadValue;100.000;110.000/", "Test handling of non triplet thresholds (load15)");