use the default cache location on ios to avoid writing to unwritable file system locations

2 files changed, 4 insertions, 1 deletions

diff --git a/include/mbgl/platform/platform.hpp b/include/mbgl/platform/platform.hpp
index 6356d81bb1..b7107bb9cd 100644
--- a/include/mbgl/platform/platform.hpp
+++ b/include/mbgl/platform/platform.hpp
@@ -17,6 +17,9 @@ std::string uppercase(const std::string &string);
 // Lowercase a string, potentially using platform-specific routines.
 std::string lowercase(const std::string &string);
 
+// Returns the path to the default cache database on this system.
+std::string defaultCacheDatabase();
+
 // Shows an alpha image with the specified dimensions in a named window.
 void show_debug_image(std::string name, const char *data, size_t width, size_t height);
 
diff --git a/include/mbgl/storage/file_source.hpp b/include/mbgl/storage/file_source.hpp
index 06d416d0c6..5933aea483 100644
--- a/include/mbgl/storage/file_source.hpp
+++ b/include/mbgl/storage/file_source.hpp
@@ -24,7 +24,7 @@ private:
     FileSource& operator=(FileSource &&) = delete;
 
 public:
-    FileSource(uv_loop_t *loop);
+    FileSource(uv_loop_t *loop, const std::string &path);
     ~FileSource();
 
 public: