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

1 files changed, 19 insertions, 0 deletions

diff --git a/common/ios.mm b/common/ios.mm
new file mode 100644
index 0000000000..1076343e24
--- /dev/null
+++ b/common/ios.mm
@@ -0,0 +1,19 @@
+#import <Foundation/Foundation.h>
+
+#include <mbgl/platform/platform.hpp>
+
+namespace mbgl {
+namespace platform {
+
+// Returns the path to the default cache database on this system.
+std::string defaultCacheDatabase() {
+    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES);
+    NSString *libraryDirectory = [paths objectAtIndex:0];
+    return [[libraryDirectory stringByAppendingPathComponent:@"cache.db"] UTF8String];
+}
+
+}
+}
+
+
+// Returns the path to the default cache database on this system.