From 1dc78b572da39619d7ecad78a526dd2fabe0bfcd Mon Sep 17 00:00:00 2001
From: Albert Kharisov <albkharisov@gmail.com>
Date: Tue, 16 Dec 2025 18:52:30 +0400
Subject: [PATCH] Fix memory leak in issue #46

Fix memory leak found in
https://github.com/BertoldVdb/ZoneDetect/issues/46.
Free memory which is not used nor freed nor returned
from a function.
---
 library/zonedetect.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/library/zonedetect.c b/library/zonedetect.c
index 899c09b..5fcb076 100644
--- a/library/zonedetect.c
+++ b/library/zonedetect.c
@@ -618,6 +618,7 @@ float* ZDPolygonToList(const ZoneDetect *library, uint32_t polygonId, size_t* le
         flData[i] = ZDFixedPointToFloat(lat, 90, library->precision);
         flData[i+1] = ZDFixedPointToFloat(lon, 180, library->precision);
     }
+    free(data);
 
     if(lengthPtr) {
         *lengthPtr = length;
@@ -1257,4 +1258,4 @@ done:
 void ZDHelperSimpleLookupStringFree(char* str)
 {
     free(str);
-}
\ No newline at end of file
+}