From 20303ad94f45feef4c472eb7db0fc285ecd68972 Mon Sep 17 00:00:00 2001
From: Al <albarrentine@gmail.com>
Date: Thu, 9 Jul 2015 04:13:53 -0400
Subject: [PATCH] [geohash] Adding bounds checks from python-geohash

---
 src/geohash/geohash.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/geohash/geohash.c b/src/geohash/geohash.c
index cb792c88..c999fbf8 100644
--- a/src/geohash/geohash.c
+++ b/src/geohash/geohash.c
@@ -216,6 +216,9 @@ int geohash_encode(double latitude, double longitude, char *r, size_t capacity)
     char lr[capacity];
     memset(interleaved, 0, sizeof(interleaved));
 
+    while (longitude < -180.0) longitude += 360.0;
+    while (longitude >= 180.0) longitude -= 360.0;
+
     if (!double_to_i64(latitude/90.0, &lat64) || !double_to_i64(longitude/180.0, &lon64)) {
         return GEOHASH_INVALIDARGUMENT;
     }