Backport double free fix to epel7

shapelib.spec

@@ -1,6 +1,6 @@
 Name:          shapelib
 Version:       1.3.0
-Release:       2%{?dist}
+Release:       3%{?dist}
 Summary:       C library for handling ESRI Shapefiles
 # The core library is dual-licensed LGPLv2 or MIT.
 # Some contributed files have different licenses:
@@ -78,6 +78,9 @@ find $RPM_BUILD_ROOT -name '*.la' -exec rm -f {} ';'
 %{_bindir}/*
 
 %changelog
+* Mon Feb 06 2023 Chris Muzyn <chris.muzyn@gmail.com> -  1.3.0-3
+- Backport double free fix to epel7
+
 * Sun Apr 06 2014 Sandro Mani <manisandro@gmail.com> - 1.3.0-2
 - Backport some fixes from the gdal bundled shapelib
 

shapelib_backports.patch

@@ -183,3 +183,11 @@ index 409134e..4fccfab 100644
 
      return panResultBuffer;
  }
+@@ -113,7 +113,6 @@ static char ** split(const char *arg, const char *delim) {
+	free(result[--i]);
+      }
+      free(result);
+-     free(copy);
+      return NULL;
+    }
+    result = tmp;