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src/file_fcs.c: add frama-c annotations

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Christophe Grenier 2021-02-20 15:00:03 +01:00
parent 8668a0580c
commit 9f73322020
1 changed files with 3 additions and 1 deletions
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4
src/file_fcs.c
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@ -117,7 +117,7 @@ static uint64_t ascii2int2(const unsigned char *string, const unsigned int max_l
/*@ /*@
@ requires buffer_size > 0; @ requires buffer_size > 0;
@ requires \valid_read(buffer+(0..buffer_size-1)); @ requires \valid_read(buffer+(0..buffer_size-1));
@ requires \valid_read(file_recovery); @ requires valid_file_recovery(file_recovery);
@ requires file_recovery->file_stat==\null || valid_read_string((char*)file_recovery->filename); @ requires file_recovery->file_stat==\null || valid_read_string((char*)file_recovery->filename);
@ requires \valid(file_recovery_new); @ requires \valid(file_recovery_new);
@ requires file_recovery_new->blocksize > 0; @ requires file_recovery_new->blocksize > 0;
@ -146,6 +146,8 @@ static uint64_t ascii2int2(const unsigned char *string, const unsigned int max_l
@ ensures (\result == 1) ==> (file_recovery_new->data_check == &data_check_size); @ ensures (\result == 1) ==> (file_recovery_new->data_check == &data_check_size);
@ ensures (\result == 1) ==> (file_recovery_new->file_check == &file_check_size); @ ensures (\result == 1) ==> (file_recovery_new->file_check == &file_check_size);
@ ensures (\result == 1) ==> (file_recovery_new->file_rename == \null); @ ensures (\result == 1) ==> (file_recovery_new->file_rename == \null);
@ ensures \result!=0 ==> valid_file_recovery(file_recovery_new);
@ assigns *file_recovery_new;
@*/ @*/
static int header_check_fcs(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_fcs(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)
{ {