From cabd29f151e9d3db7eeb7ee1321fbe4a12767df1 Mon Sep 17 00:00:00 2001 From: Christophe Grenier Date: Sun, 14 Feb 2021 18:47:53 +0100 Subject: [PATCH] src/file_dim.c: add frama-c annotations --- src/file_dim.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/src/file_dim.c b/src/file_dim.c index dae78246..81ff73ec 100644 --- a/src/file_dim.c +++ b/src/file_dim.c @@ -30,8 +30,8 @@ #include "types.h" #include "filegen.h" +/*@ requires \valid(file_stat); */ static void register_header_check_dim(file_stat_t *file_stat); -static int header_check_dim(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_dim= { .extension="diskimage", @@ -42,6 +42,17 @@ const file_hint_t file_hint_dim= { .register_header_check=®ister_header_check_dim }; +/*@ + @ 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_dim, 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_dim(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);