plugins/check_snmp: Show snmp error when we fail to parse its output

Dying without a hint of what went wrong is just plain annoying. With
this patch we at least get a hint.

While at it, we fix the string offset so the output we're interested
in doesn't keep the equal sign that snmpget prints.

Signed-off-by: Andreas Ericsson <ae@op5.se>

1 files changed, 2 insertions, 2 deletions

diff --git a/plugins/check_snmp.c b/plugins/check_snmp.c
index 0ddfb94..8a8ee18 100644
--- a/plugins/check_snmp.c
+++ b/plugins/check_snmp.c
@@ -419,7 +419,7 @@ main (int argc, char **argv)
                         show = strstr (response, "Timeticks: ");
                 }
                 else
-                        show = response;
+                        show = response + 3;
 
                 iresult = STATE_DEPENDENT;
 
@@ -428,7 +428,7 @@ main (int argc, char **argv)
                 if (thlds[i]->warning || thlds[i]->critical || calculate_rate) {
                         ptr = strpbrk (show, "0123456789");
                         if (ptr == NULL)
-                                die (STATE_UNKNOWN,_("No valid data returned"));
+                                die (STATE_UNKNOWN,_("No valid data returned (%s)\n"), show);
                         response_value[i] = strtod (ptr, NULL);
 
                         if(calculate_rate) {