fixes for using POSIX return codes

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@54 f882894a-f735-0410-b71e-b25c423dba1c

1 files changed, 39 insertions, 4 deletions

diff --git a/plugins/check_disk.c b/plugins/check_disk.c
index 7429424..9ce4a32 100644
--- a/plugins/check_disk.c
+++ b/plugins/check_disk.c
@@ -62,6 +62,7 @@ main (int argc, char **argv)
         int used_disk = -1;
         int free_disk = -1;
         int result = STATE_UNKNOWN;
+        int temp_result = STATE_UNKNOWN;
         char *command_line = NULL;
         char input_buffer[MAX_INPUT_BUFFER] = "";
         char file_system[MAX_INPUT_BUFFER] = "";
@@ -99,7 +100,36 @@ main (int argc, char **argv)
                                 || sscanf (input_buffer, "%s %*s %d %d %d %d%% %s", file_system,
                                  &total_disk, &used_disk, &free_disk, &usp, &mntp) == 6) {
 
-                        result = max (result, check_disk (usp, free_disk));
+                        /* cannot use max now that STATE_UNKNOWN is greater than STATE_CRITICAL
+                        result = max (result, check_disk (usp, free_disk)); */
+                        temp_result = check_disk (usp, free_disk) ;
+
+                                        
+                        if ( temp_result == STATE_CRITICAL ) {
+                                result = STATE_CRITICAL;
+                        }
+                        else if (temp_result == STATE_WARNING) {
+                                if ( !( result == STATE_CRITICAL) ) {
+                                        result = STATE_WARNING;
+                                }
+                        }
+                        else if (temp_result == STATE_OK) {
+                                if ( ! ( result == STATE_CRITICAL || result == STATE_WARNING) ){
+                                        result = STATE_OK;
+                                }
+                        }
+                        else if (temp_result == STATE_UNKNOWN) {
+                                if ( ! ( result == STATE_CRITICAL || result == STATE_WARNING || result == STATE_OK) ){
+                                        result = STATE_UNKNOWN;
+                                }
+                        }
+                        else {
+                                /* don't have a match with the return value from check_disk() */
+                                result = STATE_UNKNOWN;
+                        }
+                                
+
+                                
                         len =
                                 snprintf (outbuf, MAX_INPUT_BUFFER - 1,
                                                                         " [%d kB (%d%%) free on %s]", free_disk, 100 - usp,
@@ -115,15 +145,20 @@ main (int argc, char **argv)
 
         /* If we get anything on stderr, at least set warning */
         while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr))
-                result = max (result, STATE_WARNING);
+                /*result = max (result, STATE_WARNING); */
+                if( !( result == STATE_CRITICAL) ) {
+                        result = STATE_WARNING;
+                }
 
         /* close stderr */
         (void) fclose (child_stderr);
 
         /* close the pipe */
         if (spclose (child_process))
-                result = max (result, STATE_WARNING);
-
+                /*result = max (result, STATE_WARNING); */
+                if( !( result == STATE_CRITICAL) ) {
+                        result = STATE_WARNING;
+                }
         if (usp < 0)
                 printf ("Disk \"%s\" not mounted or nonexistant\n", path);
         else if (result == STATE_UNKNOWN)