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src/file_acb.c: add frama-c annotations

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This commit is contained in:
Christophe Grenier 2021-02-07 19:23:09 +01:00
parent 08759b3f43
commit 175ca33748
1 changed files with 12 additions and 0 deletions
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12
src/file_acb.c
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@ -31,6 +31,7 @@
#include "types.h"
#include "filegen.h"
/*@ requires \valid(file_stat); */
static void register_header_check_acb(file_stat_t *file_stat);
const file_hint_t file_hint_acb= {
@ -42,6 +43,17 @@ const file_hint_t file_hint_acb= {
.register_header_check=&register_header_check_acb
};
/*@
@ 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_acb, buffer+(..), file_recovery, file_recovery_new);
@ assigns *file_recovery_new;
@ ensures \result == 0 || \result == 1;
@ ensures \result!=0 ==> valid_file_recovery(file_recovery_new);
@*/
static int header_check_acb(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);