diff options
Diffstat (limited to 'src/file_c4d.c')
| -rw-r--r-- | src/file_c4d.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/file_c4d.c b/src/file_c4d.c index 48681ca4..5ccbe76b 100644 --- a/src/file_c4d.c +++ b/src/file_c4d.c @@ -31,6 +31,7 @@ #include "types.h" #include "filegen.h" +/*@ requires \valid(file_stat); */ static void register_header_check_c4d(file_stat_t *file_stat); const file_hint_t file_hint_c4d= { @@ -42,6 +43,17 @@ const file_hint_t file_hint_c4d= { .register_header_check=®ister_header_check_c4d }; +/*@ + @ requires buffer_size > 0; + @ 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_c4d, buffer+(..), file_recovery, file_recovery_new); + @ assigns *file_recovery_new; + @ ensures \result == 0 || \result == 1; + @ ensures \result!=0 ==> valid_file_recovery(file_recovery_new); + @*/ static int header_check_c4d(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) { reset_file_recovery(file_recovery_new); |