From 9286b8b0ddc3a66e43250e8b6a3702bf38bbbba0 Mon Sep 17 00:00:00 2001 From: Christophe Grenier Date: Fri, 19 Feb 2021 16:47:16 +0100 Subject: [PATCH] src/file_edb.c: add frama-c annotations --- src/file_edb.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/src/file_edb.c b/src/file_edb.c index ad07bda8..7d96019e 100644 --- a/src/file_edb.c +++ b/src/file_edb.c @@ -32,6 +32,7 @@ #include "common.h" #include "filegen.h" +/*@ requires \valid(file_stat); */ static void register_header_check_edb(file_stat_t *file_stat); const file_hint_t file_hint_edb= { @@ -43,7 +44,17 @@ const file_hint_t file_hint_edb= { .register_header_check=®ister_header_check_edb }; - +/*@ + @ 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_edb, buffer+(..), file_recovery, file_recovery_new); + @ assigns *file_recovery_new; + @ ensures \result == 0 || \result == 1; + @ ensures \result!=0 ==> valid_file_recovery(file_recovery_new); + @*/ static int header_check_edb(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) { /* A backup of the header is stored in the second block */