1 files changed, 55 insertions, 0 deletions

diff --git a/plugins/utils.c b/plugins/utils.c
index 8b31c5a..dbb2520 100644
--- a/plugins/utils.c
+++ b/plugins/utils.c
@@ -265,7 +265,62 @@ is_option (char *str)
                 return FALSE;
 }
 
+void set_threshold_start (threshold *this, double value) {
+        this->start = value;
+        this->start_infinity = FALSE;
+}
+
+void set_threshold_end (threshold *this, double value) {
+        this->end = value;
+        this->end_infinity = FALSE;
+}
+
+threshold
+*parse_threshold (char *str) {
+        threshold *temp_threshold;
+        double start;
+        double end;
+        char *end_str;
 
+        temp_threshold = (threshold *) malloc(sizeof(threshold));
+
+        /* Set defaults */
+        temp_threshold->start = 0;
+        temp_threshold->start_infinity = FALSE;
+        temp_threshold->end = 0;
+        temp_threshold->end_infinity = TRUE;
+        temp_threshold->alert_on = OUTSIDE;
+
+        if (str[0] == '@') {
+                temp_threshold->alert_on = INSIDE;
+                str++;
+        }
+
+        end_str = index(str, ':');
+        if (end_str != NULL) {
+                if (str[0] == '~') {
+                        temp_threshold->start_infinity = TRUE;
+                } else {
+                        start = strtod(str, NULL);      /* Will stop at the ':' */
+                        set_threshold_start(temp_threshold, start);
+                }
+                end_str++;              /* Move past the ':' */
+        } else {
+                end_str = str;
+        }
+        end = strtod(end_str, NULL);
+        if (strcmp(end_str, "") != 0) {
+                set_threshold_end(temp_threshold, end);
+        }
+
+        if (temp_threshold->start_infinity == TRUE || 
+                temp_threshold->end_infinity == TRUE ||
+                temp_threshold->start <= temp_threshold->end) {
+                return temp_threshold;
+        }
+        free(temp_threshold);
+        return NULL;
+}
 
 #ifdef NEED_GETTIMEOFDAY
 int