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src/file_apple.c: add frama-c annotations

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src/file_ace.c, src/file_ape.c: better frama-c annotations
This commit is contained in:
Christophe Grenier 2021-02-13 10:32:45 +01:00
parent 83b92a2469
commit ce34fe13c6
3 changed files with 13 additions and 4 deletions
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3
src/file_ace.c
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@ -208,8 +208,7 @@ static void file_check_ace(file_recovery_t *file_recovery)
/*@
@ requires buffer_size > 0;
@ requires \valid_read(buffer+(0..buffer_size-1));
@ requires \valid_read(file_recovery);
@ requires file_recovery->file_stat==\null || valid_read_string((char*)file_recovery->filename);
@ requires valid_file_recovery(file_recovery);
@ requires \valid(file_recovery_new);
@ requires file_recovery_new->blocksize > 0;
@

3
src/file_ape.c
View file

@ -103,8 +103,7 @@ struct APE_HEADER
/*@
@ requires buffer_size >= sizeof(struct APE_HEADER_OLD);
@ requires \valid_read(buffer+(0..buffer_size-1));
@ requires \valid_read(file_recovery);
@ requires file_recovery->file_stat==\null || valid_read_string((char*)file_recovery->filename);
@ 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);

11
src/file_apple.c
View file

@ -30,6 +30,7 @@
#include "types.h"
#include "filegen.h"
/*@ requires \valid(file_stat); */
static void register_header_check_apple(file_stat_t *file_stat);
const file_hint_t file_hint_apple= {
@ -41,6 +42,16 @@ const file_hint_t file_hint_apple= {
.register_header_check=&register_header_check_apple
};
/*@
@ 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_apple, buffer+(..), file_recovery, file_recovery_new);
@ assigns *file_recovery_new;
@ ensures \result!=0 ==> valid_file_recovery(file_recovery_new);
@*/
static int header_check_apple(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);