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src/file_ape.c: improve Frama-C annotations

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This commit is contained in:
Christophe Grenier 2021-06-06 11:34:10 +02:00
parent 10470b2863
commit 7c242d5602
1 changed files with 5 additions and 8 deletions
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13
src/file_ape.c
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@ -31,7 +31,7 @@
#include "filegen.h"
#include "common.h"
/*@ requires \valid(file_stat); */
/*@ requires valid_register_header_check(file_stat); */
static void register_header_check_ape(file_stat_t *file_stat);
const file_hint_t file_hint_ape= {
@ -102,15 +102,12 @@ struct APE_HEADER
/*@
@ requires buffer_size >= sizeof(struct APE_HEADER_OLD);
@ 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_ape, buffer, file_recovery, file_recovery_new);
@ ensures \result == 0 || \result == 1;
@ 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_ape(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_ape(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 struct APE_HEADER_OLD *ape=(const struct APE_HEADER_OLD*)buffer;
/* Version 3.96 released April 7, 2002, Version 4.06 March 17, 2009 */