1 files changed, 10 insertions, 0 deletions
diff --git a/cache.h b/cache.h
index d7ff46ec4a..b829410f6d 100644
--- a/cache.h
+++ b/cache.h
@@ -1370,6 +1370,16 @@ extern void clear_delta_base_cache(void);
 extern struct packed_git *add_packed_git(const char *path, size_t path_len, int local);
 
 /*
+ * Make sure that a pointer access into an mmap'd index file is within bounds,
+ * and can provide at least 8 bytes of data.
+ *
+ * Note that this is only necessary for variable-length segments of the file
+ * (like the 64-bit extended offset table), as we compare the size to the
+ * fixed-length parts when we open the file.
+ */
+extern void check_pack_index_ptr(const struct packed_git *p, const void *ptr);
+
+/*
  * Return the SHA-1 of the nth object within the specified packfile.
  * Open the index if it is not already open.  The return value points
  * at the SHA-1 within the mmapped index.  Return NULL if there is an