233 static void pack_bits(uint8_t **addr, int *pos, uint32_t val, int nrbits)  in pack_bits()  argument
235 	uint8_t *p = *addr;  in pack_bits()
271 	*addr = p;  in pack_bits()
283 uint32_t ubifs_unpack_bits(uint8_t **addr, int *pos, int nrbits)  in ubifs_unpack_bits()  argument
286 	uint8_t *p = *addr;  in ubifs_unpack_bits()
338 	*addr = p;  in ubifs_unpack_bits()
353 	uint8_t *addr = buf + UBIFS_LPT_CRC_BYTES;  in ubifs_pack_pnode()  local
357 	pack_bits(&addr, &pos, UBIFS_LPT_PNODE, UBIFS_LPT_TYPE_BITS);  in ubifs_pack_pnode()
359 		pack_bits(&addr, &pos, pnode->num, c->pcnt_bits);  in ubifs_pack_pnode()
361 		pack_bits(&addr, &pos, pnode->lprops[i].free >> 3,  in ubifs_pack_pnode()
363 		pack_bits(&addr, &pos, pnode->lprops[i].dirty >> 3,  in ubifs_pack_pnode()
366 			pack_bits(&addr, &pos, 1, 1);  in ubifs_pack_pnode()
368 			pack_bits(&addr, &pos, 0, 1);  in ubifs_pack_pnode()
372 	addr = buf;  in ubifs_pack_pnode()
374 	pack_bits(&addr, &pos, crc, UBIFS_LPT_CRC_BITS);  in ubifs_pack_pnode()
386 	uint8_t *addr = buf + UBIFS_LPT_CRC_BYTES;  in ubifs_pack_nnode()  local
390 	pack_bits(&addr, &pos, UBIFS_LPT_NNODE, UBIFS_LPT_TYPE_BITS);  in ubifs_pack_nnode()
392 		pack_bits(&addr, &pos, nnode->num, c->pcnt_bits);  in ubifs_pack_nnode()
398 		pack_bits(&addr, &pos, lnum - c->lpt_first, c->lpt_lnum_bits);  in ubifs_pack_nnode()
399 		pack_bits(&addr, &pos, nnode->nbranch[i].offs,  in ubifs_pack_nnode()
404 	addr = buf;  in ubifs_pack_nnode()
406 	pack_bits(&addr, &pos, crc, UBIFS_LPT_CRC_BITS);  in ubifs_pack_nnode()
418 	uint8_t *addr = buf + UBIFS_LPT_CRC_BYTES;  in ubifs_pack_ltab()  local
422 	pack_bits(&addr, &pos, UBIFS_LPT_LTAB, UBIFS_LPT_TYPE_BITS);  in ubifs_pack_ltab()
424 		pack_bits(&addr, &pos, ltab[i].free, c->lpt_spc_bits);  in ubifs_pack_ltab()
425 		pack_bits(&addr, &pos, ltab[i].dirty, c->lpt_spc_bits);  in ubifs_pack_ltab()
429 	addr = buf;  in ubifs_pack_ltab()
431 	pack_bits(&addr, &pos, crc, UBIFS_LPT_CRC_BITS);  in ubifs_pack_ltab()
442 	uint8_t *addr = buf + UBIFS_LPT_CRC_BYTES;  in ubifs_pack_lsave()  local
446 	pack_bits(&addr, &pos, UBIFS_LPT_LSAVE, UBIFS_LPT_TYPE_BITS);  in ubifs_pack_lsave()
448 		pack_bits(&addr, &pos, lsave[i], c->lnum_bits);  in ubifs_pack_lsave()
451 	addr = buf;  in ubifs_pack_lsave()
453 	pack_bits(&addr, &pos, crc, UBIFS_LPT_CRC_BITS);  in ubifs_pack_lsave()
917 	uint8_t *addr = buf;  in check_lpt_crc()  local
920 	crc = ubifs_unpack_bits(&addr, &pos, UBIFS_LPT_CRC_BITS);  in check_lpt_crc()
941 static int check_lpt_type(const struct ubifs_info *c, uint8_t **addr,  in check_lpt_type()  argument
946 	node_type = ubifs_unpack_bits(addr, pos, UBIFS_LPT_TYPE_BITS);  in check_lpt_type()
967 	uint8_t *addr = buf + UBIFS_LPT_CRC_BYTES;  in unpack_pnode()  local
970 	err = check_lpt_type(c, &addr, &pos, UBIFS_LPT_PNODE);  in unpack_pnode()
974 		pnode->num = ubifs_unpack_bits(&addr, &pos, c->pcnt_bits);  in unpack_pnode()
978 		lprops->free = ubifs_unpack_bits(&addr, &pos, c->space_bits);  in unpack_pnode()
980 		lprops->dirty = ubifs_unpack_bits(&addr, &pos, c->space_bits);  in unpack_pnode()
983 		if (ubifs_unpack_bits(&addr, &pos, 1))  in unpack_pnode()
1004 	uint8_t *addr = buf + UBIFS_LPT_CRC_BYTES;  in ubifs_unpack_nnode()  local
1007 	err = check_lpt_type(c, &addr, &pos, UBIFS_LPT_NNODE);  in ubifs_unpack_nnode()
1011 		nnode->num = ubifs_unpack_bits(&addr, &pos, c->pcnt_bits);  in ubifs_unpack_nnode()
1015 		lnum = ubifs_unpack_bits(&addr, &pos, c->lpt_lnum_bits) +  in ubifs_unpack_nnode()
1020 		nnode->nbranch[i].offs = ubifs_unpack_bits(&addr, &pos,  in ubifs_unpack_nnode()
1036 	uint8_t *addr = buf + UBIFS_LPT_CRC_BYTES;  in unpack_ltab()  local
1039 	err = check_lpt_type(c, &addr, &pos, UBIFS_LPT_LTAB);  in unpack_ltab()
1043 		int free = ubifs_unpack_bits(&addr, &pos, c->lpt_spc_bits);  in unpack_ltab()
1044 		int dirty = ubifs_unpack_bits(&addr, &pos, c->lpt_spc_bits);  in unpack_ltab()
1068 	uint8_t *addr = buf + UBIFS_LPT_CRC_BYTES;  in unpack_lsave()  local
1071 	err = check_lpt_type(c, &addr, &pos, UBIFS_LPT_LSAVE);  in unpack_lsave()
1075 		int lnum = ubifs_unpack_bits(&addr, &pos, c->lnum_bits);  in unpack_lsave()