From b5606583ee26e9afda256417a9c71589b2950898 Mon Sep 17 00:00:00 2001 From: Christophe Grenier Date: Thu, 11 Feb 2021 19:31:07 +0100 Subject: [PATCH] src/file_all.c: add frama-c annotations --- src/file_all.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/src/file_all.c b/src/file_all.c index 9972f251..8ba0d2a0 100644 --- a/src/file_all.c +++ b/src/file_all.c @@ -31,8 +31,8 @@ #include "types.h" #include "filegen.h" +/*@ requires \valid(file_stat); */ static void register_header_check_all(file_stat_t *file_stat); -static int header_check_all(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_all= { .extension="all", @@ -43,6 +43,17 @@ const file_hint_t file_hint_all= { .register_header_check=®ister_header_check_all }; +/*@ + @ requires buffer_size >= 16; + @ 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_all, 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_all(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);