From 31dd524d28366f63496948f30a7f29ed8e09d43c Mon Sep 17 00:00:00 2001 From: Christophe Grenier Date: Sun, 25 Jul 2021 11:21:19 +0200 Subject: [PATCH] src/file_ttf.c: improve Frama-C annotations --- src/file_ttf.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/src/file_ttf.c b/src/file_ttf.c index 0417b99a..897e9c2b 100644 --- a/src/file_ttf.c +++ b/src/file_ttf.c @@ -32,7 +32,7 @@ #include "common.h" #include "filegen.h" -/*@ requires \valid(file_stat); */ +/*@ requires valid_register_header_check(file_stat); */ static void register_header_check_ttf(file_stat_t *file_stat); const file_hint_t file_hint_ttf= { @@ -82,14 +82,10 @@ static unsigned int td_ilog2(unsigned int v) /*@ @ requires buffer_size >= sizeof(struct ttf_offset_table); - @ 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_ttf, 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_ttf(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) {