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src/file_pf.c: improve Frama-C annotations

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This commit is contained in:
Christophe Grenier 2021-02-27 10:50:18 +01:00
parent 2869fd0a6c
commit 2ef3a0d029
1 changed files with 2 additions and 5 deletions
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7
src/file_pf.c
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@ -89,8 +89,7 @@ static void file_rename_pf(file_recovery_t *file_recovery)
/*@
@ requires buffer_size >= sizeof(struct pf_header);
@ 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_pf, buffer+(..), file_recovery, file_recovery_new);
@ -105,6 +104,7 @@ static void file_rename_pf(file_recovery_t *file_recovery)
@ ensures (\result == 1) ==> (file_recovery_new->file_check==&file_check_size);
@ ensures (\result == 1) ==> (file_recovery_new->file_rename==&file_rename_pf);
@ ensures \result!=0 ==> valid_file_recovery(file_recovery_new);
@ assigns *file_recovery_new;
@*/
static int header_check_pf(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)
{
@ -121,9 +121,6 @@ static int header_check_pf(const unsigned char *buffer, const unsigned int buffe
return 1;
}
/*@
@ requires \valid(file_stat);
@*/
static void register_header_check_pf(file_stat_t *file_stat)
{
static const unsigned char pf_header[7] = {0x00, 0x00, 0x00, 'S', 'C', 'C', 'A'};