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src/file_x3i.c: add Frama-C annotations

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This commit is contained in:
Christophe Grenier 2021-03-14 15:05:15 +01:00
parent 3532fb711d
commit 13eab20f7e
1 changed files with 22 additions and 11 deletions
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33
src/file_x3i.c
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@ -31,29 +31,40 @@
#include "types.h"
#include "filegen.h"
/*@ requires \valid(file_stat); */
static void register_header_check_x3i(file_stat_t *file_stat);
const file_hint_t file_hint_x3i= {
.extension="x3i",
.description="Sigma/Foveon X3 raw picture",
.max_filesize=PHOTOREC_MAX_FILE_SIZE,
.recover=1,
.enable_by_default=1,
.register_header_check=&register_header_check_x3i
const file_hint_t file_hint_x3i = {
.extension = "x3i",
.description = "Sigma/Foveon X3 raw picture",
.max_filesize = PHOTOREC_MAX_FILE_SIZE,
.recover = 1,
.enable_by_default = 1,
.register_header_check = &register_header_check_x3i
};
/*@
@ 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_x3i, buffer+(..), file_recovery, file_recovery_new);
@ ensures \result!=0 ==> valid_file_recovery(file_recovery_new);
@ assigns *file_recovery_new;
@*/
static int header_check_x3i(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_x3i.extension;
file_recovery_new->min_filesize=1024;
file_recovery_new->extension = file_hint_x3i.extension;
file_recovery_new->min_filesize = 1024;
return 1;
}
static void register_header_check_x3i(file_stat_t *file_stat)
{
static const unsigned char x3i_header[8]= {
'F' , 'O' , 'V' , 'i' , 0x00, 0x00, 0x01, 0x00
static const unsigned char x3i_header[8] = {
'F', 'O', 'V', 'i', 0x00, 0x00, 0x01, 0x00
};
register_header_check(0, x3i_header, sizeof(x3i_header), &header_check_x3i, file_stat);
}