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src/file_icns.c: improve Frama-C annotations

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This commit is contained in:
Christophe Grenier 2021-06-22 13:37:44 +02:00
parent e000a10c5a
commit 0107a4d983
1 changed files with 3 additions and 7 deletions
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10
src/file_icns.c
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@ -32,7 +32,7 @@
#include "filegen.h"
#include "common.h"
/*@ requires \valid(file_stat); */
/*@ requires valid_register_header_check(file_stat); */
static void register_header_check_icns(file_stat_t *file_stat);
const file_hint_t file_hint_icns= {
@ -104,13 +104,9 @@ static int check_icon_type(const char *type)
/*@
@ requires buffer_size >= sizeof(struct icns_header) + sizeof(struct icon_data);
@ 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_icns, buffer+(..), file_recovery, file_recovery_new);
@ ensures \result == 0 || \result == 1;
@ ensures \result!=0 ==> valid_file_recovery(file_recovery_new);
@ requires valid_header_check_param(buffer, buffer_size, safe_header_only, file_recovery, file_recovery_new);
@ ensures valid_header_check_result(\result, file_recovery_new);
@ assigns *file_recovery_new;
@*/
static int header_check_icns(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)