luisgulo/testdisk
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

src/file_dad.c: add Frama-C annotations

Browse source
This commit is contained in:
Christophe Grenier 2021-06-06 16:59:59 +02:00
parent 45fd6de771
commit 859baf6511
1 changed files with 6 additions and 14 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
src/file_dad.c
View file

@ -33,7 +33,7 @@
#include "common.h"
#include "log.h"
/*@ requires \valid(file_stat); */
/*@ requires valid_register_header_check(file_stat); */
static void register_header_check_dad(file_stat_t *file_stat);
const file_hint_t file_hint_dad= {
@ -54,15 +54,10 @@ struct dad_header
} __attribute__ ((gcc_struct, __packed__));
/*@
@ requires buffer_size > 0;
@ requires (buffer_size&1)==0;
@ requires \valid_read(buffer+(0..buffer_size-1));
@ requires \valid(file_recovery);
@ requires file_recovery->data_check==&data_check_dad;
@ requires file_recovery->calculated_file_size <= PHOTOREC_MAX_FILE_SIZE;
@ requires \separated(buffer, file_recovery);
@ ensures \result == DC_CONTINUE || \result == DC_STOP;
@ assigns file_recovery->calculated_file_size;
@ requires valid_data_check_param(buffer, buffer_size, file_recovery);
@ ensures valid_data_check_result(\result, file_recovery);
@ assigns file_recovery->calculated_file_size;
@*/
static data_check_t data_check_dad(const unsigned char *buffer, const unsigned int buffer_size, file_recovery_t *file_recovery)
{
@ -91,12 +86,9 @@ static data_check_t data_check_dad(const unsigned char *buffer, const unsigned i
/*@
@ requires buffer_size >= 10;
@ 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_dad, 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);
@*/
static int header_check_dad(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)
{