Allow savedata to be slightly smaller than the allocated buffer.

1 files changed, 8 insertions, 1 deletions

diff --git a/toxcore/util.c b/toxcore/util.c
index 5a72c4a4..5caf5855 100644
--- a/toxcore/util.c
+++ b/toxcore/util.c
@@ -153,8 +153,15 @@ int load_state(load_state_callback_func load_state_callback, void *outer,
 
         type = lendian_to_host16(cookie_type & 0xFFFF);
 
-        if (-1 == load_state_callback(outer, data, length_sub, type))
+        int ret = load_state_callback(outer, data, length_sub, type);
+
+        if (ret == -1) {
             return -1;
+        }
+
+        /* -2 means end of save. */
+        if (ret == -2)
+            return 0;
 
         data += length_sub;
         length -= length_sub;