src/file_mysql.c: improve Frama-C annotations

This commit is contained in:
Christophe Grenier 2021-07-03 14:09:03 +02:00
parent b6ad724671
commit b3f315cd12

View file

@ -32,7 +32,7 @@
#include "filegen.h" #include "filegen.h"
/*@ /*@
@ requires \valid(file_stat); @ requires valid_register_header_check(file_stat);
@*/ @*/
static void register_header_check_mysql(file_stat_t *file_stat); static void register_header_check_mysql(file_stat_t *file_stat);
@ -46,15 +46,9 @@ const file_hint_t file_hint_mysql= {
}; };
/*@ /*@
@ 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_new);
@ requires file_recovery_new->blocksize > 0;
@ requires separation: \separated(&file_hint_mysql, buffer+(..), file_recovery, file_recovery_new); @ requires separation: \separated(&file_hint_mysql, buffer+(..), file_recovery, file_recovery_new);
@ ensures \result == 0 || \result == 1; @ requires valid_header_check_param(buffer, buffer_size, safe_header_only, file_recovery, file_recovery_new);
@ ensures \result!=0 ==> valid_file_recovery(file_recovery_new); @ ensures valid_header_check_result(\result, file_recovery_new);
@ assigns *file_recovery_new; @ assigns *file_recovery_new;
@*/ @*/
static int header_check_myisam(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_myisam(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)
@ -67,14 +61,9 @@ static int header_check_myisam(const unsigned char *buffer, const unsigned int b
/*@ /*@
@ requires buffer_size >= 6; @ requires buffer_size >= 6;
@ 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_new);
@ requires file_recovery_new->blocksize > 0;
@ requires separation: \separated(&file_hint_mysql, buffer+(..), file_recovery, file_recovery_new); @ requires separation: \separated(&file_hint_mysql, buffer+(..), file_recovery, file_recovery_new);
@ ensures \result == 0 || \result == 1; @ requires valid_header_check_param(buffer, buffer_size, safe_header_only, file_recovery, file_recovery_new);
@ ensures \result!=0 ==> valid_file_recovery(file_recovery_new); @ ensures valid_header_check_result(\result, file_recovery_new);
@ assigns *file_recovery_new; @ assigns *file_recovery_new;
@*/ @*/
static int header_check_mysql(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_mysql(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)