From 06638d2885b439467524624d9d05abbc804fc570 Mon Sep 17 00:00:00 2001
From: Al <albarrentine@gmail.com>
Date: Fri, 8 Jan 2016 00:46:41 -0500
Subject: [PATCH] [fix] only strdup when necessary in feature counting
 functions

---
 src/features.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/features.c b/src/features.c
index 0036ad27..198ee278 100644
--- a/src/features.c
+++ b/src/features.c
@@ -29,16 +29,16 @@ void feature_array_add_printf(cstring_array *features, char *format, ...) {
 bool feature_counts_update_or_add(khash_t(str_double) *features, char *feature, double count, bool copy, bool add) {
     khiter_t k;
 
-    char *str;
-    if (copy) {
-        str = strdup(feature);
-    } else {
-        str = feature;
-    }
-
-    k = kh_get(str_double, features, str);
+    k = kh_get(str_double, features, feature);
     if (k == kh_end(features)) {
         int ret;
+        char *str;
+        if (copy) {
+            str = strdup(feature);
+        } else {
+            str = feature;
+        }
+
         k = kh_put(str_double, features, str, &ret);
         if (ret < 0) return false;