move "number" to utils

recorder.c

@@ -66,27 +66,6 @@
 
 static int run = 1;
 
-double number(JsonNode *j, char *element)
-{
-	JsonNode *m;
-	double d;
-
-	if ((m = json_find_member(j, element)) != NULL) {
-		if (m->tag == JSON_NUMBER) {
-			return (m->number_);
-		} else if (m->tag == JSON_STRING) {
-			d = atof(m->string_);
-			/* Normalize to number */
-			json_remove_from_parent(m);
-			json_delete(m);
-			json_append_member(j, element, json_mknumber(d));
-			return (d);
-		}
-	}
-
-	return (NAN);
-}
-
 static const char *ltime(time_t t) {
 	static char buf[] = "HH:MM:SS";
 

util.c

@@ -617,3 +617,24 @@ void chomp(char *s)
 		*p-- = 0;
 	}
 }
+
+double number(JsonNode *j, char *element)
+{
+	JsonNode *m;
+	double d;
+
+	if ((m = json_find_member(j, element)) != NULL) {
+		if (m->tag == JSON_NUMBER) {
+			return (m->number_);
+		} else if (m->tag == JSON_STRING) {
+			d = atof(m->string_);
+			/* Normalize to number */
+			json_remove_from_parent(m);
+			json_delete(m);
+			json_append_member(j, element, json_mknumber(d));
+			return (d);
+		}
+	}
+
+	return (NAN);
+}

util.h

@@ -8,6 +8,7 @@
 
 #include <time.h>
 #include <syslog.h>
+#include <math.h>
 #include "json.h"
 #include "udata.h"
 #include "utstring.h"
@@ -38,5 +39,6 @@ void lowercase(char *s);
 double haversine_dist(double th1, double ph1, double th2, double ph2);
 void debug(struct udata *, char *fmt, ...);
 void chomp(char *s);
+double number(JsonNode *j, char *element);
 
 #endif