wi_data_t * wi_file_read_to_end_of_file(wi_file_t *file) {
wi_mutable_data_t *data;
char buffer[WI_FILE_BUFFER_SIZE];
wi_integer_t bytes;
_WI_FILE_ASSERT_OPEN(file);
data = wi_data_init_with_capacity(wi_mutable_data_alloc(), WI_FILE_BUFFER_SIZE);
while(true) {
bytes = wi_file_read_bytes(file, buffer, sizeof(buffer));
if(bytes <= 0)
break;
wi_mutable_data_append_bytes(data, buffer, bytes);
}
if(bytes < 0) {
wi_release(data);
data = NULL;
}
wi_runtime_make_immutable(data);
return wi_autorelease(data);
}
wi_data_t * wi_file_read(wi_file_t *file, wi_uinteger_t length) {
wi_mutable_data_t *data;
char buffer[WI_FILE_BUFFER_SIZE];
wi_integer_t bytes = -1;
_WI_FILE_ASSERT_OPEN(file);
data = wi_data_init_with_capacity(wi_mutable_data_alloc(), length);
while(length > 0) {
bytes = wi_file_read_bytes(file, buffer, WI_MIN(sizeof(buffer), length));
if(bytes <= 0)
break;
wi_mutable_data_append_bytes(data, buffer, bytes);
length -= bytes;
}
if(bytes < 0) {
wi_release(data);
data = NULL;
}
wi_runtime_make_immutable(data);
return wi_autorelease(data);
}
wi_data_t * wi_data_by_appending_bytes(wi_data_t *data, const void *bytes, wi_uinteger_t length) {
wi_mutable_data_t *newdata;
newdata = wi_copy(data);
wi_mutable_data_append_bytes(newdata, bytes, length);
wi_runtime_make_immutable(data);
return wi_autorelease(newdata);
}
wi_data_t * wi_data_by_appending_data(wi_data_t *data, wi_data_t *append_data) {
wi_mutable_data_t *newdata;
newdata = wi_mutable_copy(data);
wi_mutable_data_append_bytes(newdata, append_data->bytes, append_data->length);
wi_runtime_make_immutable(data);
return wi_autorelease(newdata);
}
