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src/file_wld.c: improve Frama-C annotations

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This commit is contained in:
Christophe Grenier 2021-07-27 21:51:42 +02:00
parent 2a933246e8
commit 7b8d5fc2c5
1 changed files with 5 additions and 8 deletions
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13
src/file_wld.c
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@ -32,7 +32,7 @@
#include "filegen.h" #include "filegen.h"
#include "common.h" #include "common.h"
/*@ requires \valid(file_stat); */ /*@ requires valid_register_header_check(file_stat); */
static void register_header_check_wld(file_stat_t *file_stat); static void register_header_check_wld(file_stat_t *file_stat);
const file_hint_t file_hint_wld = { const file_hint_t file_hint_wld = {
@ -47,9 +47,9 @@ const file_hint_t file_hint_wld = {
/* See http://ludwig.schafer.free.fr for WLD file format */ /* See http://ludwig.schafer.free.fr for WLD file format */
/*@ /*@
@ requires \valid(file_recovery);
@ requires valid_file_recovery(file_recovery);
@ requires file_recovery->file_rename==&file_rename_wld; @ requires file_recovery->file_rename==&file_rename_wld;
@ requires valid_file_rename_param(file_recovery);
@ ensures valid_file_rename_result(file_recovery);
@*/ @*/
static void file_rename_wld(file_recovery_t *file_recovery) static void file_rename_wld(file_recovery_t *file_recovery)
{ {
@ -69,12 +69,9 @@ static void file_rename_wld(file_recovery_t *file_recovery)
/*@ /*@
@ requires buffer_size >= 0xc; @ requires buffer_size >= 0xc;
@ 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_wld, buffer+(..), file_recovery, file_recovery_new); @ requires separation: \separated(&file_hint_wld, buffer+(..), file_recovery, file_recovery_new);
@ ensures \result!=0 ==> valid_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; @ assigns *file_recovery_new;
@*/ @*/
static int header_check_wld(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) static int header_check_wld(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)