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src/file_rx2.c: improve Frama-C annotations

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This commit is contained in:
Christophe Grenier 2021-07-24 15:11:14 +02:00
parent b616323d15
commit ccc1c85274
1 changed files with 3 additions and 6 deletions
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9
src/file_rx2.c
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@ -32,7 +32,7 @@
#include "filegen.h"
#include "common.h"
/*@ requires \valid(file_stat); */
/*@ requires valid_register_header_check(file_stat); */
static void register_header_check_rx2(file_stat_t *file_stat);
const file_hint_t file_hint_rx2= {
@ -52,12 +52,9 @@ struct rx2_header
/*@
@ requires buffer_size >= sizeof(struct rx2_header);
@ 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_rx2, 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;
@*/
static int header_check_rx2(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)