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

src/file_vmdk.c: improve Frama-C annotations

Browse source
This commit is contained in:
Christophe Grenier 2021-07-27 18:26:25 +02:00
parent fb3c7f534b
commit 7d816e43eb
1 changed files with 5 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
src/file_vmdk.c
View file

@ -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_vmdk(file_stat_t *file_stat); static void register_header_check_vmdk(file_stat_t *file_stat);
#define MAX_FILE_SIZE_VMDK (uint64_t)2048 * 1024 * 1024 * 1024 #define MAX_FILE_SIZE_VMDK (uint64_t)2048 * 1024 * 1024 * 1024
@ -80,12 +80,9 @@ typedef struct
/*@ /*@
@ requires buffer_size >= sizeof(VMDK3Header); @ requires buffer_size >= sizeof(VMDK3Header);
@ 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_vmdk, buffer+(..), file_recovery, file_recovery_new); @ requires separation: \separated(&file_hint_vmdk, 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_vmdk3(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_vmdk3(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)
@ -106,12 +103,9 @@ static int header_check_vmdk3(const unsigned char *buffer, const unsigned int bu
/*@ /*@
@ requires buffer_size >= sizeof(VMDK4Header); @ requires buffer_size >= sizeof(VMDK4Header);
@ 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_vmdk, buffer+(..), file_recovery, file_recovery_new); @ requires separation: \separated(&file_hint_vmdk, 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_vmdk4(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_vmdk4(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)