238 static inline void bitstream_init(struct bitstream *bs, void *s, size_t len, unsigned int pad_bits)  in bitstream_init()  argument
240 	bs->buf = s;  in bitstream_init()
241 	bs->buf_len = len;  in bitstream_init()
242 	bs->pad_bits = pad_bits;  in bitstream_init()
243 	bitstream_cursor_reset(&bs->cur, bs->buf);  in bitstream_init()
246 static inline void bitstream_rewind(struct bitstream *bs)  in bitstream_rewind()  argument
248 	bitstream_cursor_reset(&bs->cur, bs->buf);  in bitstream_rewind()
249 	memset(bs->buf, 0, bs->buf_len);  in bitstream_rewind()
260 static inline int bitstream_put_bits(struct bitstream *bs, u64 val, const unsigned int bits)  in bitstream_put_bits()  argument
262 	unsigned char *b = bs->cur.b;  in bitstream_put_bits()
268 	if ((bs->cur.b + ((bs->cur.bit + bits -1) >> 3)) - bs->buf >= bs->buf_len)  in bitstream_put_bits()
275 	*b++ |= (val & 0xff) << bs->cur.bit;  in bitstream_put_bits()
277 	for (tmp = 8 - bs->cur.bit; tmp < bits; tmp += 8)  in bitstream_put_bits()
280 	bitstream_cursor_advance(&bs->cur, bits);  in bitstream_put_bits()
293 static inline int bitstream_get_bits(struct bitstream *bs, u64 *out, int bits)  in bitstream_get_bits()  argument
301 	if (bs->cur.b + ((bs->cur.bit + bs->pad_bits + bits -1) >> 3) - bs->buf >= bs->buf_len)  in bitstream_get_bits()
302 		bits = ((bs->buf_len - (bs->cur.b - bs->buf)) << 3)  in bitstream_get_bits()
303 			- bs->cur.bit - bs->pad_bits;  in bitstream_get_bits()
312 	n = (bs->cur.bit + bits + 7) >> 3;  in bitstream_get_bits()
316 		memcpy(&val, bs->cur.b+1, n - 1);  in bitstream_get_bits()
317 		val = le64_to_cpu(val) << (8 - bs->cur.bit);  in bitstream_get_bits()
321 	val |= bs->cur.b[0] >> bs->cur.bit;  in bitstream_get_bits()
326 	bitstream_cursor_advance(&bs->cur, bits);  in bitstream_get_bits()
340 static inline int vli_encode_bits(struct bitstream *bs, u64 in)  in vli_encode_bits()  argument
348 	return bitstream_put_bits(bs, code, bits);  in vli_encode_bits()