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_init_with_contents_of_file(wi_data_t *data, wi_string_t *path) {
wi_file_t *file;
wi_fs_stat_t sb;
char buffer[WI_FILE_BUFFER_SIZE];
wi_integer_t bytes;
if(!wi_fs_stat_path(path, &sb)) {
wi_release(data);
return NULL;
}
file = wi_file_for_reading(path);
if(!file) {
wi_release(data);
return NULL;
}
data = wi_data_init_with_capacity(data, sb.size);
while((bytes = wi_file_read_buffer(file, buffer, sizeof(buffer))))
_wi_data_append_bytes(data, buffer, bytes);
return data;
}
wi_data_t * wi_data_init_with_random_bytes(wi_data_t *data, wi_uinteger_t length) {
data = wi_data_init_with_capacity(data, length);
wi_random_get_bytes(data->bytes, length);
data->length = length;
return data;
}
wi_data_t * wi_data_init_with_bytes(wi_data_t *data, const void *bytes, wi_uinteger_t length) {
data = wi_data_init_with_capacity(data, length);
memcpy(data->bytes, bytes, length);
data->length = length;
return data;
}
wi_data_t * wi_data_init(wi_data_t *data) {
return wi_data_init_with_capacity(data, 0);
}
