4  * SPDX-License-Identifier: Apache-2.0
196 	{ 24,   9, { 0b11111111, 0b11111111, 0b11101010, 0b00000000 } },
197 	{ 24, 142, { 0b11111111, 0b11111111, 0b11101011, 0b00000000 } },
198 	{ 24, 144, { 0b11111111, 0b11111111, 0b11101100, 0b00000000 } },
199 	{ 24, 145, { 0b11111111, 0b11111111, 0b11101101, 0b00000000 } },
200 	{ 24, 148, { 0b11111111, 0b11111111, 0b11101110, 0b00000000 } },
201 	{ 24, 159, { 0b11111111, 0b11111111, 0b11101111, 0b00000000 } },
202 	{ 24, 171, { 0b11111111, 0b11111111, 0b11110000, 0b00000000 } },
203 	{ 24, 206, { 0b11111111, 0b11111111, 0b11110001, 0b00000000 } },
204 	{ 24, 215, { 0b11111111, 0b11111111, 0b11110010, 0b00000000 } },
205 	{ 24, 225, { 0b11111111, 0b11111111, 0b11110011, 0b00000000 } },
206 	{ 24, 236, { 0b11111111, 0b11111111, 0b11110100, 0b00000000 } },
207 	{ 24, 237, { 0b11111111, 0b11111111, 0b11110101, 0b00000000 } },
246 	{ 28,   2, { 0b11111111, 0b11111111, 0b11111110, 0b00100000 } },
247 	{ 28,   3, { 0b11111111, 0b11111111, 0b11111110, 0b00110000 } },
248 	{ 28,   4, { 0b11111111, 0b11111111, 0b11111110, 0b01000000 } },
249 	{ 28,   5, { 0b11111111, 0b11111111, 0b11111110, 0b01010000 } },
250 	{ 28,   6, { 0b11111111, 0b11111111, 0b11111110, 0b01100000 } },
251 	{ 28,   7, { 0b11111111, 0b11111111, 0b11111110, 0b01110000 } },
252 	{ 28,   8, { 0b11111111, 0b11111111, 0b11111110, 0b10000000 } },
253 	{ 28,  11, { 0b11111111, 0b11111111, 0b11111110, 0b10010000 } },
254 	{ 28,  12, { 0b11111111, 0b11111111, 0b11111110, 0b10100000 } },
255 	{ 28,  14, { 0b11111111, 0b11111111, 0b11111110, 0b10110000 } },
256 	{ 28,  15, { 0b11111111, 0b11111111, 0b11111110, 0b11000000 } },
257 	{ 28,  16, { 0b11111111, 0b11111111, 0b11111110, 0b11010000 } },
258 	{ 28,  17, { 0b11111111, 0b11111111, 0b11111110, 0b11100000 } },
259 	{ 28,  18, { 0b11111111, 0b11111111, 0b11111110, 0b11110000 } },
260 	{ 28,  19, { 0b11111111, 0b11111111, 0b11111111, 0b00000000 } },
261 	{ 28,  20, { 0b11111111, 0b11111111, 0b11111111, 0b00010000 } },
262 	{ 28,  21, { 0b11111111, 0b11111111, 0b11111111, 0b00100000 } },
263 	{ 28,  23, { 0b11111111, 0b11111111, 0b11111111, 0b00110000 } },
264 	{ 28,  24, { 0b11111111, 0b11111111, 0b11111111, 0b01000000 } },
265 	{ 28,  25, { 0b11111111, 0b11111111, 0b11111111, 0b01010000 } },
266 	{ 28,  26, { 0b11111111, 0b11111111, 0b11111111, 0b01100000 } },
267 	{ 28,  27, { 0b11111111, 0b11111111, 0b11111111, 0b01110000 } },
268 	{ 28,  28, { 0b11111111, 0b11111111, 0b11111111, 0b10000000 } },
269 	{ 28,  29, { 0b11111111, 0b11111111, 0b11111111, 0b10010000 } },
270 	{ 28,  30, { 0b11111111, 0b11111111, 0b11111111, 0b10100000 } },
271 	{ 28,  31, { 0b11111111, 0b11111111, 0b11111111, 0b10110000 } },
272 	{ 28, 127, { 0b11111111, 0b11111111, 0b11111111, 0b11000000 } },
273 	{ 28, 220, { 0b11111111, 0b11111111, 0b11111111, 0b11010000 } },
274 	{ 28, 249, { 0b11111111, 0b11111111, 0b11111111, 0b11100000 } },
286 #define MSB_MASK(len) (UINT32_MAX << (UINT32_BITLEN - len))
287 #define LSB_MASK(len) ((1UL << len) - 1UL)
291 	uint32_t mask = MSB_MASK(entry->bitlen);  in huffman_bits_compare()
292 	uint32_t code = sys_get_be32(entry->code);  in huffman_bits_compare()
340 		return -EINVAL;  in http_hpack_huffman_decode()
352 					bits_needed -= bits_in_byte_left;  in http_hpack_huffman_decode()
358 						 (bits_in_byte_left - bits_needed)) &  in http_hpack_huffman_decode()
360 					bits_in_byte_left -= bits_needed;  in http_hpack_huffman_decode()
373 				encoded_len--;  in http_hpack_huffman_decode()
382 			return -EBADMSG;  in http_hpack_huffman_decode()
388 				return -EBADMSG;  in http_hpack_huffman_decode()
394 		if (encoded_bits_len < decoded->bitlen) {  in http_hpack_huffman_decode()
396 			return -EBADMSG;  in http_hpack_huffman_decode()
400 		bits_needed += decoded->bitlen;  in http_hpack_huffman_decode()
401 		encoded_bits_len -= decoded->bitlen;  in http_hpack_huffman_decode()
406 			return -ENOBUFS;  in http_hpack_huffman_decode()
409 		*buf = decoded->symbol;  in http_hpack_huffman_decode()
411 		buflen--;  in http_hpack_huffman_decode()
427 		return -EINVAL;  in http_hpack_huffman_encode()
436 			return -EINVAL;  in http_hpack_huffman_encode()
439 		if (entry->bitlen > buflen_bits) {  in http_hpack_huffman_encode()
440 			return -ENOBUFS;  in http_hpack_huffman_encode()
443 		bitlen = entry->bitlen;  in http_hpack_huffman_encode()
444 		code = sys_get_be32(entry->code);  in http_hpack_huffman_encode()
447 			uint8_t to_copy = MIN(8 - bit_offset, bitlen);  in http_hpack_huffman_encode()
449 						 (24 + bit_offset));  in http_hpack_huffman_encode()
459 			bitlen -= to_copy;  in http_hpack_huffman_encode()
468 		buflen_bits -= entry->bitlen;  in http_hpack_huffman_encode()
469 		str_len--;  in http_hpack_huffman_encode()
475 		*buf |= LSB_MASK((8 - bit_offset));  in http_hpack_huffman_encode()