check_filename(): use skip_prefix

diff --git a/cache.h b/cache.h
index 322ae582590e40a9691ff390ba6e4d1589c8b550..e1f0e182ad011d5a3b6912f48b597dcc6d1070b0 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -599,6 +599,7 @@ extern int write_locked_index(struct index_state *, struct lock_file *lock, unsi
 extern int discard_index(struct index_state *);
 extern int unmerged_index(const struct index_state *);
 extern int verify_path(const char *path);
+extern int strcmp_offset(const char *s1, const char *s2, size_t *first_change);
 extern int index_dir_exists(struct index_state *istate, const char *name, int namelen);
 extern void adjust_dirname_case(struct index_state *istate, char *name);
 extern struct cache_entry *index_file_exists(struct index_state *istate, const char *name, int namelen, int igncase);