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src/file_xsv.c: add Frama-C annotations

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This commit is contained in:
Christophe Grenier 2021-03-14 21:02:12 +01:00
parent 7a3674eb7d
commit 9a54e60b7c
1 changed files with 24 additions and 14 deletions
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38
src/file_xsv.c
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@ -32,31 +32,41 @@
#include "types.h"
#include "filegen.h"
/*@ requires \valid(file_stat); */
static void register_header_check_xsv(file_stat_t *file_stat);
static int header_check_xsv(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_xsv= {
.extension="xsv",
.description="XBOX GTA San Andreas Save File",
.max_filesize=PHOTOREC_MAX_FILE_SIZE,
.recover=1,
.enable_by_default=1,
.register_header_check=&register_header_check_xsv
const file_hint_t file_hint_xsv = {
.extension = "xsv",
.description = "XBOX GTA San Andreas Save File",
.max_filesize = PHOTOREC_MAX_FILE_SIZE,
.recover = 1,
.enable_by_default = 1,
.register_header_check = &register_header_check_xsv
};
/*@
@ 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_xsv, buffer+(..), file_recovery, file_recovery_new);
@ ensures \result!=0 ==> valid_file_recovery(file_recovery_new);
@ assigns *file_recovery_new;
@*/
static int header_check_xsv(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);
file_recovery_new->extension=file_hint_xsv.extension;
file_recovery_new->calculated_file_size=202772;
file_recovery_new->data_check=&data_check_size;
file_recovery_new->file_check=&file_check_size;
file_recovery_new->extension = file_hint_xsv.extension;
file_recovery_new->calculated_file_size = 202772;
file_recovery_new->data_check = &data_check_size;
file_recovery_new->file_check = &file_check_size;
return 1;
}
static void register_header_check_xsv(file_stat_t *file_stat)
{
static const unsigned char xsv_header[9]= {'B','L','O','C', 'K', 'L', 0xDC, 0x1D, 'd'};
register_header_check(20, xsv_header,sizeof(xsv_header), &header_check_xsv, file_stat);
static const unsigned char xsv_header[9] = { 'B', 'L', 'O', 'C', 'K', 'L', 0xDC, 0x1D, 'd' };
register_header_check(20, xsv_header, sizeof(xsv_header), &header_check_xsv, file_stat);
}
#endif