From ea89721d3359ebd620aaadf274b1dd9166da6390 Mon Sep 17 00:00:00 2001 From: Christophe Grenier Date: Fri, 5 Mar 2021 13:37:46 +0100 Subject: [PATCH] src/file_sit.c: add Frama-C annotations --- src/file_sit.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/src/file_sit.c b/src/file_sit.c index f1e79d8f..da6874a3 100644 --- a/src/file_sit.c +++ b/src/file_sit.c @@ -32,8 +32,8 @@ #include "filegen.h" +/*@ requires \valid(file_stat); */ static void register_header_check_sit(file_stat_t *file_stat); -static int header_check_sit(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); const file_hint_t file_hint_sit= { .extension="sit", @@ -44,7 +44,16 @@ const file_hint_t file_hint_sit= { .register_header_check=®ister_header_check_sit }; - +/*@ + @ 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_sit, buffer+(..), file_recovery, file_recovery_new); + @ ensures \result!=0 ==> valid_file_recovery(file_recovery_new); + @ assigns *file_recovery_new; + @*/ static int header_check_sit(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);