From a04bd897e0f6d832c2a56049f9b958f35cccd9a7 Mon Sep 17 00:00:00 2001 From: Christophe Grenier Date: Sat, 13 Feb 2021 20:56:10 +0100 Subject: [PATCH] src/file_bfa.c: add frama-c annotations --- src/file_bfa.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/src/file_bfa.c b/src/file_bfa.c index 573b9ecd..b8f1767e 100644 --- a/src/file_bfa.c +++ b/src/file_bfa.c @@ -32,6 +32,7 @@ #include "filegen.h" #include "common.h" +/*@ requires \valid(file_stat); */ static void register_header_check_bfa(file_stat_t *file_stat); const file_hint_t file_hint_bfa= { @@ -55,6 +56,17 @@ struct bfa_header uint32_t lKeyHash; } __attribute__ ((gcc_struct, __packed__)); +/*@ + @ requires buffer_size >= sizeof(struct bfa_header); + @ 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_bfa, 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_bfa(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 struct bfa_header *header=(const struct bfa_header*)buffer;