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src/file_ibd.c: add frama-c annotations

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This commit is contained in:
Christophe Grenier 2021-02-22 21:36:38 +01:00
parent 7e2e5fb08e
commit 73ca3bcc12
1 changed files with 17 additions and 1 deletions
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18
src/file_ibd.c
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@ -33,6 +33,7 @@
#include "common.h"
#include "log.h"
/*@ requires \valid(file_stat); */
static void register_header_check_ibd(file_stat_t *file_stat);
const file_hint_t file_hint_ibd= {
@ -49,9 +50,12 @@ const file_hint_t file_hint_ibd= {
#define FIL_PAGE_TYPE_FSP_HDR 8 /* File space header */
#define DICT_TF_BITS 6 /* number of flag bits */
#define DICT_TF_FORMAT_SHIFT 5 /* file format */
#ifdef __FRAMAC__
#define DICT_TF_FORMAT_MASK 0x20
#else
#define DICT_TF_FORMAT_MASK \
((~(~0U << (DICT_TF_BITS - DICT_TF_FORMAT_SHIFT))) << DICT_TF_FORMAT_SHIFT)
#endif
#define DICT_TF_FORMAT_ZIP 1 /* InnoDB plugin for 5.1: compressed tables */
struct innodb_fil_header
@ -66,6 +70,18 @@ struct innodb_fil_header
uint32_t arch_log_no_or_space_id;
} __attribute__ ((gcc_struct, __packed__));
/*@
@ requires buffer_size >= sizeof(struct innodb_fil_header);
@ requires buffer_size > FSP_HEADER_OFFSET + FSP_SPACE_FLAGS;
@ 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_ibd, buffer+(..), file_recovery, file_recovery_new);
@ ensures \result == 0 || \result == 1;
@ ensures \result!=0 ==> valid_file_recovery(file_recovery_new);
@ assigns *file_recovery_new;
@*/
static int header_check_ibd(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 innodb_fil_header *hdr=(const struct innodb_fil_header *)buffer;