src/file_pgdump.c: improve Frama-C annotations

This commit is contained in:
Christophe Grenier 2021-07-07 13:24:04 +02:00
parent 96249e6c4d
commit b71054d640

View file

@ -83,7 +83,7 @@ struct pgdmp_hdr
/* PG_VERSION */ /* PG_VERSION */
} __attribute__ ((gcc_struct, __packed__)); } __attribute__ ((gcc_struct, __packed__));
/*@ requires \valid(file_stat); */ /*@ requires valid_register_header_check(file_stat); */
static void register_header_check_pgdump(file_stat_t *file_stat); static void register_header_check_pgdump(file_stat_t *file_stat);
const file_hint_t file_hint_pgdump= { const file_hint_t file_hint_pgdump= {
@ -97,13 +97,9 @@ const file_hint_t file_hint_pgdump= {
/*@ /*@
@ requires buffer_size >= sizeof(struct pgdmp_hdr); @ requires buffer_size >= sizeof(struct pgdmp_hdr);
@ 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_pgdump, buffer+(..), file_recovery, file_recovery_new); @ requires separation: \separated(&file_hint_pgdump, 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_pgdump(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_pgdump(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)