232 static void pack_bits(uint8_t **addr, int *pos, uint32_t val, int nrbits)  in pack_bits()  argument
235 	int b = *pos;  in pack_bits()
239 	ubifs_assert(*pos >= 0);  in pack_bits()
240 	ubifs_assert(*pos < 8);  in pack_bits()
271 	*pos = b;  in pack_bits()
282 uint32_t ubifs_unpack_bits(uint8_t **addr, int *pos, int nrbits)  in ubifs_unpack_bits()  argument
286 	int b = *pos;  in ubifs_unpack_bits()
292 	ubifs_assert(*pos >= 0);  in ubifs_unpack_bits()
293 	ubifs_assert(*pos < 8);  in ubifs_unpack_bits()
338 	*pos = b;  in ubifs_unpack_bits()
353 	int i, pos = 0;  in ubifs_pack_pnode()  local
356 	pack_bits(&addr, &pos, UBIFS_LPT_PNODE, UBIFS_LPT_TYPE_BITS);  in ubifs_pack_pnode()
358 		pack_bits(&addr, &pos, pnode->num, c->pcnt_bits);  in ubifs_pack_pnode()
360 		pack_bits(&addr, &pos, pnode->lprops[i].free >> 3,  in ubifs_pack_pnode()
362 		pack_bits(&addr, &pos, pnode->lprops[i].dirty >> 3,  in ubifs_pack_pnode()
365 			pack_bits(&addr, &pos, 1, 1);  in ubifs_pack_pnode()
367 			pack_bits(&addr, &pos, 0, 1);  in ubifs_pack_pnode()
372 	pos = 0;  in ubifs_pack_pnode()
373 	pack_bits(&addr, &pos, crc, UBIFS_LPT_CRC_BITS);  in ubifs_pack_pnode()
386 	int i, pos = 0;  in ubifs_pack_nnode()  local
389 	pack_bits(&addr, &pos, UBIFS_LPT_NNODE, UBIFS_LPT_TYPE_BITS);  in ubifs_pack_nnode()
391 		pack_bits(&addr, &pos, nnode->num, c->pcnt_bits);  in ubifs_pack_nnode()
397 		pack_bits(&addr, &pos, lnum - c->lpt_first, c->lpt_lnum_bits);  in ubifs_pack_nnode()
398 		pack_bits(&addr, &pos, nnode->nbranch[i].offs,  in ubifs_pack_nnode()
404 	pos = 0;  in ubifs_pack_nnode()
405 	pack_bits(&addr, &pos, crc, UBIFS_LPT_CRC_BITS);  in ubifs_pack_nnode()
418 	int i, pos = 0;  in ubifs_pack_ltab()  local
421 	pack_bits(&addr, &pos, UBIFS_LPT_LTAB, UBIFS_LPT_TYPE_BITS);  in ubifs_pack_ltab()
423 		pack_bits(&addr, &pos, ltab[i].free, c->lpt_spc_bits);  in ubifs_pack_ltab()
424 		pack_bits(&addr, &pos, ltab[i].dirty, c->lpt_spc_bits);  in ubifs_pack_ltab()
429 	pos = 0;  in ubifs_pack_ltab()
430 	pack_bits(&addr, &pos, crc, UBIFS_LPT_CRC_BITS);  in ubifs_pack_ltab()
442 	int i, pos = 0;  in ubifs_pack_lsave()  local
445 	pack_bits(&addr, &pos, UBIFS_LPT_LSAVE, UBIFS_LPT_TYPE_BITS);  in ubifs_pack_lsave()
447 		pack_bits(&addr, &pos, lsave[i], c->lnum_bits);  in ubifs_pack_lsave()
451 	pos = 0;  in ubifs_pack_lsave()
452 	pack_bits(&addr, &pos, crc, UBIFS_LPT_CRC_BITS);  in ubifs_pack_lsave()
918 	int pos = 0;  in check_lpt_crc()  local
922 	crc = ubifs_unpack_bits(&addr, &pos, UBIFS_LPT_CRC_BITS);  in check_lpt_crc()
943 static int check_lpt_type(uint8_t **addr, int *pos, int type)  in check_lpt_type()  argument
947 	node_type = ubifs_unpack_bits(addr, pos, UBIFS_LPT_TYPE_BITS);  in check_lpt_type()
969 	int i, pos = 0, err;  in unpack_pnode()  local
971 	err = check_lpt_type(&addr, &pos, UBIFS_LPT_PNODE);  in unpack_pnode()
975 		pnode->num = ubifs_unpack_bits(&addr, &pos, c->pcnt_bits);  in unpack_pnode()
979 		lprops->free = ubifs_unpack_bits(&addr, &pos, c->space_bits);  in unpack_pnode()
981 		lprops->dirty = ubifs_unpack_bits(&addr, &pos, c->space_bits);  in unpack_pnode()
984 		if (ubifs_unpack_bits(&addr, &pos, 1))  in unpack_pnode()
1006 	int i, pos = 0, err;  in ubifs_unpack_nnode()  local
1008 	err = check_lpt_type(&addr, &pos, UBIFS_LPT_NNODE);  in ubifs_unpack_nnode()
1012 		nnode->num = ubifs_unpack_bits(&addr, &pos, c->pcnt_bits);  in ubifs_unpack_nnode()
1016 		lnum = ubifs_unpack_bits(&addr, &pos, c->lpt_lnum_bits) +  in ubifs_unpack_nnode()
1021 		nnode->nbranch[i].offs = ubifs_unpack_bits(&addr, &pos,  in ubifs_unpack_nnode()
1038 	int i, pos = 0, err;  in unpack_ltab()  local
1040 	err = check_lpt_type(&addr, &pos, UBIFS_LPT_LTAB);  in unpack_ltab()
1044 		int free = ubifs_unpack_bits(&addr, &pos, c->lpt_spc_bits);  in unpack_ltab()
1045 		int dirty = ubifs_unpack_bits(&addr, &pos, c->lpt_spc_bits);  in unpack_ltab()
1070 	int i, pos = 0, err;  in unpack_lsave()  local
1072 	err = check_lpt_type(&addr, &pos, UBIFS_LPT_LSAVE);  in unpack_lsave()
1076 		int lnum = ubifs_unpack_bits(&addr, &pos, c->lnum_bits);  in unpack_lsave()