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src/file_sit.c: add Frama-C annotations

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This commit is contained in:
Christophe Grenier 2021-03-05 13:37:46 +01:00
parent d4da752815
commit ea89721d33
1 changed files with 11 additions and 2 deletions
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13
src/file_sit.c
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@ -32,8 +32,8 @@
#include "filegen.h"
/*@ requires \valid(file_stat); */
static void register_header_check_sit(file_stat_t *file_stat);
static int header_check_sit(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);
const file_hint_t file_hint_sit= {
.extension="sit",
@ -44,7 +44,16 @@ const file_hint_t file_hint_sit= {
.register_header_check=&register_header_check_sit
};
/*@
@ 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_sit, buffer+(..), file_recovery, file_recovery_new);
@ ensures \result!=0 ==> valid_file_recovery(file_recovery_new);
@ assigns *file_recovery_new;
@*/
static int header_check_sit(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);