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src/file_gm6.c: add frama-c annotations

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This commit is contained in:
Christophe Grenier 2021-02-21 17:52:48 +01:00
parent 629ab589c2
commit 89d6c15e13
1 changed files with 45 additions and 0 deletions
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45
src/file_gm6.c
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@ -31,6 +31,7 @@
#include "types.h" #include "types.h"
#include "filegen.h" #include "filegen.h"
/*@ requires \valid(file_stat); */
static void register_header_check_gm6(file_stat_t *file_stat); static void register_header_check_gm6(file_stat_t *file_stat);
const file_hint_t file_hint_gm6= { const file_hint_t file_hint_gm6= {
@ -43,6 +44,17 @@ const file_hint_t file_hint_gm6= {
}; };
//Version 8.1 file (.gm81) //Version 8.1 file (.gm81)
/*@
@ 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_gm6, 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_gm81(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_gm81(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); reset_file_recovery(file_recovery_new);
@ -51,6 +63,17 @@ static int header_check_gm81(const unsigned char *buffer, const unsigned int buf
} }
//Version 7.0-8.0 file (.gmk) //Version 7.0-8.0 file (.gmk)
/*@
@ 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_gm6, 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_gmk(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_gmk(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); reset_file_recovery(file_recovery_new);
@ -59,6 +82,17 @@ static int header_check_gmk(const unsigned char *buffer, const unsigned int buff
} }
//Version 6.0-6.1 file (.gm6) //Version 6.0-6.1 file (.gm6)
/*@
@ 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_gm6, 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_gm6(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_gm6(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); reset_file_recovery(file_recovery_new);
@ -67,6 +101,17 @@ static int header_check_gm6(const unsigned char *buffer, const unsigned int buff
} }
//Version 4.3-5.3A file (.gmd) //Version 4.3-5.3A file (.gmd)
/*@
@ 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_gm6, 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_gmd(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_gmd(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); reset_file_recovery(file_recovery_new);