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

src/file_pzh.c: add Frama-C annotations

Browse Source
This commit is contained in:
Christophe Grenier 2021-02-28 16:56:43 +01:00
parent f60f95d510
commit 4adc1270c2
1 changed files with 16 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/file_pzh.c
View File

@ -31,6 +31,7 @@
#include "types.h"
#include "filegen.h"
/*@ requires \valid(file_stat); */
static void register_header_check_pzh(file_stat_t *file_stat);
/* Presto http://www.soft.es/ */
@ -49,6 +50,11 @@ static const unsigned char pzh_header[10]= {
0x05, 0x03
};
/*@
@ requires \valid(file_recovery);
@ requires valid_read_string((char*)&file_recovery->filename);
@ requires file_recovery->file_rename==&file_rename_pzh;
@*/
static void file_rename_pzh(file_recovery_t *file_recovery)
{
unsigned char buffer[512];
@ -67,6 +73,16 @@ static void file_rename_pzh(file_recovery_t *file_recovery)
file_rename(file_recovery, buffer, buffer_size, 0, "pzh", 0);
}
/*@
@ 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_pzh, buffer+(..), file_recovery, file_recovery_new);
@ assigns *file_recovery_new;
@ ensures \result!=0 ==> valid_file_recovery(file_recovery_new);
@*/
static int header_check_pzh(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)
{
reset_file_recovery(file_recovery_new);