From fe35776fcc64d613e0442ded71cbe10caf77b8c8 Mon Sep 17 00:00:00 2001 From: Christophe Grenier Date: Sun, 4 Jul 2021 16:47:23 +0200 Subject: [PATCH] src/file_pcap.c: improve Frama-C annotations --- src/file_pcap.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/src/file_pcap.c b/src/file_pcap.c index b14917df..504a9c2c 100644 --- a/src/file_pcap.c +++ b/src/file_pcap.c @@ -31,7 +31,7 @@ #include "types.h" #include "filegen.h" -/*@ requires \valid(file_stat); */ +/*@ requires valid_register_header_check(file_stat); */ static void register_header_check_pcap(file_stat_t *file_stat); const file_hint_t file_hint_pcap= { @@ -44,15 +44,10 @@ const file_hint_t file_hint_pcap= { }; /*@ - @ 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_pcap, buffer+(..), file_recovery, file_recovery_new); + @ requires valid_header_check_param(buffer, buffer_size, safe_header_only, file_recovery, file_recovery_new); + @ ensures valid_header_check_result(\result, 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_pcap(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) {