From ddefe8deeef73822bfa60db5ca574078bc126557 Mon Sep 17 00:00:00 2001 From: Christophe Grenier Date: Sun, 21 Feb 2021 17:07:22 +0100 Subject: [PATCH] src/file_fwd.c: add frama-c annotations --- src/file_fwd.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/src/file_fwd.c b/src/file_fwd.c index 195e2e7d..e1673704 100644 --- a/src/file_fwd.c +++ b/src/file_fwd.c @@ -31,6 +31,7 @@ #include "types.h" #include "filegen.h" +/*@ requires \valid(file_stat); */ static void register_header_check_fwd(file_stat_t *file_stat); const file_hint_t file_hint_fwd= { @@ -42,6 +43,17 @@ const file_hint_t file_hint_fwd= { .register_header_check=®ister_header_check_fwd }; +/*@ + @ requires buffer_size > 0; + @ requires \valid_read(buffer+(0..buffer_size-1)); + @ requires valid_file_recovery(file_recovery); + @ requires \valid(file_recovery_new); + @ requires file_recovery_new->blocksize > 0; + @ requires separation: \separated(&file_hint_fwd, buffer+(..), file_recovery, file_recovery_new); + @ ensures \result == 0 || \result == 1; + @ ensures \result!=0 ==> valid_file_recovery(file_recovery_new); + @ assigns *file_recovery_new; + @*/ static int header_check_fwd(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new) { reset_file_recovery(file_recovery_new);