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

src/file_rlv.c: add Frama-C annotations

Browse source
This commit is contained in:
Christophe Grenier 2021-03-03 18:22:52 +01:00
parent 03844caa4f
commit dd920cab36
1 changed files with 11 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
src/file_rlv.c
View file

@ -31,6 +31,7 @@
#include "types.h"
#include "filegen.h"
/*@ requires \valid(file_stat); */
static void register_header_check_rlv(file_stat_t *file_stat);
const file_hint_t file_hint_rlv= {
@ -42,6 +43,16 @@ const file_hint_t file_hint_rlv= {
.register_header_check=&register_header_check_rlv
};
/*@
@ requires buffer_size >= 12;
@ 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_rlv, buffer+(..), file_recovery, file_recovery_new);
@ ensures \result!=0 ==> valid_file_recovery(file_recovery_new);
@ assigns *file_recovery_new;
@*/
static int header_check_rlv(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)
{
if(buffer[5]!=0 || buffer[9]!=0 || buffer[10]!=0 || buffer[11]!=0)