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src/file_flv.c: better frama-c annotations

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This commit is contained in:
Christophe Grenier 2021-02-21 09:14:04 +01:00
parent 1e9a48aa7d
commit 7743e4b3aa
1 changed files with 4 additions and 3 deletions
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7
src/file_flv.c
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@ -63,6 +63,8 @@ struct flv_tag
uint8_t streamID[3];
} __attribute__ ((gcc_struct, __packed__));
static uint32_t datasize=0;
/*@
@ requires buffer_size > 0;
@ requires (buffer_size&1)==0;
@ -70,13 +72,12 @@ struct flv_tag
@ requires \valid(file_recovery);
@ requires file_recovery->data_check==&data_check_flv;
@ requires file_recovery->calculated_file_size <= PHOTOREC_MAX_FILE_SIZE;
@ requires \separated(buffer, file_recovery);
@ requires \separated(buffer + (..), file_recovery);
@ ensures \result == DC_CONTINUE || \result == DC_STOP || \result == DC_ERROR;
@ assigns file_recovery->calculated_file_size, datasize;
@*/
// assigns file_recovery->calculated_file_size;
static data_check_t data_check_flv(const unsigned char *buffer, const unsigned int buffer_size, file_recovery_t *file_recovery)
{
static uint32_t datasize=0;
/*@
@ loop assigns file_recovery->calculated_file_size, datasize;
@*/