static OPJ_UINT64 opj_get_data_length_from_file (FILE * p_file)
{
OPJ_OFF_T file_length = 0;
OPJ_FSEEK(p_file, 0, SEEK_END);
file_length = (OPJ_UINT64)OPJ_FTELL(p_file);
OPJ_FSEEK(p_file, 0, SEEK_SET);
return file_length;
}
static uint64_t opj_get_data_length_from_file (FILE * p_file)
{
int64_t file_length = 0;
OPJ_FSEEK(p_file, 0, SEEK_END);
file_length = (int64_t)OPJ_FTELL(p_file);
OPJ_FSEEK(p_file, 0, SEEK_SET);
return (uint64_t)file_length;
}
static OPJ_BOOL opj_seek_from_file (OPJ_OFF_T p_nb_bytes, FILE * p_user_data)
{
if (OPJ_FSEEK(p_user_data,p_nb_bytes,SEEK_SET)) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
static OPJ_OFF_T opj_skip_from_file (OPJ_OFF_T p_nb_bytes, FILE * p_user_data)
{
if (OPJ_FSEEK(p_user_data,p_nb_bytes,SEEK_CUR)) {
return -1;
}
return p_nb_bytes;
}
static bool opj_seek_from_file (int64_t p_nb_bytes, FILE * p_user_data)
{
if (OPJ_FSEEK(p_user_data,p_nb_bytes,SEEK_SET)) {
return false;
}
return true;
}
static int64_t opj_skip_from_file (int64_t p_nb_bytes, FILE * p_user_data)
{
if (OPJ_FSEEK(p_user_data,p_nb_bytes,SEEK_CUR)) {
return -1;
}
return p_nb_bytes;
}
