diff options
| author | Christophe Grenier <[email protected]> | 2021-02-28 17:38:30 +0100 |
|---|---|---|
| committer | Christophe Grenier <[email protected]> | 2021-02-28 17:38:30 +0100 |
| commit | 4018f0fda5af39a1bc04ab6830f420a979aa0322 (patch) | |
| tree | 26cb9537f0b49979bcc285dd2f595d1d3597d329 | |
| parent | efe7456f836beb93a3dd34b3017e69eca02afe76 (diff) | |
src/file_qxd.c: add Frama-C annotations
| -rw-r--r-- | src/file_qxd.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/src/file_qxd.c b/src/file_qxd.c index 8d9f3b40..14c2e200 100644 --- a/src/file_qxd.c +++ b/src/file_qxd.c @@ -31,9 +31,8 @@ #include "types.h" #include "filegen.h" - +/*@ requires \valid(file_stat); */ static void register_header_check_qxd(file_stat_t *file_stat); -static int header_check_qxd(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 file_hint_t file_hint_qxd= { .extension="qxd", @@ -44,6 +43,17 @@ const file_hint_t file_hint_qxd= { .register_header_check=®ister_header_check_qxd }; +/*@ + @ 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_qxd, 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_qxd(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); @@ -52,6 +62,17 @@ static int header_check_qxd(const unsigned char *buffer, const unsigned int buff return 1; } +/*@ + @ 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_qxd, 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_qxp(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) { /* Intel or Mac QuarkXpress Document */ |