1 files changed, 5 insertions, 0 deletions
diff --git a/src/ewf.h b/src/ewf.h
index add3b54a..105080a3 100644
--- a/src/ewf.h
+++ b/src/ewf.h
@@ -30,8 +30,13 @@ extern "C" {
 #endif
 
 #if defined(HAVE_LIBEWF_H) && defined(HAVE_LIBEWF)
+/*@
+  @ requires valid_read_string(device);
+  @ ensures  valid_disk(\result);
+  @*/
 disk_t *fewf_init(const char *device, const int testdisk_mode);
 #endif
+/*@ assigns \nothing; */
 const char*td_ewf_version(void);
 
 #ifdef __cplusplus