From bd91702bde89509273003397fe59b1974664f381 Mon Sep 17 00:00:00 2001 From: Christophe Grenier Date: Fri, 5 Mar 2021 13:33:34 +0100 Subject: [PATCH] src/file_shn.c: add Frama-C annotations --- src/file_shn.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/src/file_shn.c b/src/file_shn.c index 8fc9d00d..7cb1ff8c 100644 --- a/src/file_shn.c +++ b/src/file_shn.c @@ -31,6 +31,7 @@ #include "types.h" #include "filegen.h" +/*@ requires \valid(file_stat); */ static void register_header_check_shn(file_stat_t *file_stat); const file_hint_t file_hint_shn= { @@ -42,6 +43,16 @@ const file_hint_t file_hint_shn= { .register_header_check=®ister_header_check_shn }; +/*@ + @ 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_shn, buffer+(..), file_recovery, file_recovery_new); + @ ensures \result!=0 ==> valid_file_recovery(file_recovery_new); + @ assigns *file_recovery_new; + @*/ static int header_check_shn(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);