95 	const BITCMD *set;  in getmode()  local
100 	set = (const BITCMD *)bbox;  in getmode()
102 	for (value = 0;; set++)  in getmode()
103 		switch(set->cmd) {  in getmode()
120 common:			if (set->cmd2 & CMD2_CLR) {  in getmode()
122 				    (set->cmd2 & CMD2_SET) ?  S_IRWXO : value;  in getmode()
123 				if (set->cmd2 & CMD2_UBITS)  in getmode()
124 					newmode &= ~((clrval<<6) & set->bits);  in getmode()
125 				if (set->cmd2 & CMD2_GBITS)  in getmode()
126 					newmode &= ~((clrval<<3) & set->bits);  in getmode()
127 				if (set->cmd2 & CMD2_OBITS)  in getmode()
128 					newmode &= ~(clrval & set->bits);  in getmode()
130 			if (set->cmd2 & CMD2_SET) {  in getmode()
131 				if (set->cmd2 & CMD2_UBITS)  in getmode()
132 					newmode |= (value<<6) & set->bits;  in getmode()
133 				if (set->cmd2 & CMD2_GBITS)  in getmode()
134 					newmode |= (value<<3) & set->bits;  in getmode()
135 				if (set->cmd2 & CMD2_OBITS)  in getmode()
136 					newmode |= value & set->bits;  in getmode()
141 			newmode |= set->bits;  in getmode()
145 			newmode &= ~set->bits;  in getmode()
150 				newmode |= set->bits;  in getmode()
163 	if (set >= endset) {						\
170 		set = newset + (set - saveset);				\
174 	set = addcmd(set, (mode_t)(a), (mode_t)(b), (mode_t)(c), (d));	\
184 	BITCMD *set, *saveset, *endset;  in setmode()  local
209 	set = NULL;  in setmode()
210 	errno = reallocarr(&set, setlen, sizeof(*set));  in setmode()
213 	saveset = set;  in setmode()
214 	endset = set + (setlen - 2);  in setmode()
235 		set->cmd = 0;  in setmode()
350 	set->cmd = 0;  in setmode()
369 addcmd(BITCMD *set, mode_t op, mode_t who, mode_t oparg, mode_t mask)  in addcmd()  argument
372 	_DIAGASSERT(set != NULL);  in addcmd()
376 		set->cmd = '-';  in addcmd()
377 		set->bits = who ? who : STANDARD_BITS;  in addcmd()
378 		set++;  in addcmd()
385 		set->cmd = op;  in addcmd()
386 		set->bits = (who ? who : mask) & oparg;  in addcmd()
392 		set->cmd = op;  in addcmd()
394 			set->cmd2 = ((who & S_IRUSR) ? CMD2_UBITS : 0) |  in addcmd()
397 			set->bits = (mode_t)~0;  in addcmd()
399 			set->cmd2 = CMD2_UBITS | CMD2_GBITS | CMD2_OBITS;  in addcmd()
400 			set->bits = mask;  in addcmd()
404 			set->cmd2 |= CMD2_SET;  in addcmd()
406 			set->cmd2 |= CMD2_CLR;  in addcmd()
408 			set->cmd2 |= CMD2_SET|CMD2_CLR;  in addcmd()
411 	return (set + 1);  in addcmd()
416 dumpmode(BITCMD *set)  in dumpmode()  argument
419 	_DIAGASSERT(set != NULL);  in dumpmode()
421 	for (; set->cmd; ++set)  in dumpmode()
423 		    set->cmd, set->bits, set->cmd2 ? " cmd2:" : "",  in dumpmode()
424 		    set->cmd2 & CMD2_CLR ? " CLR" : "",  in dumpmode()
425 		    set->cmd2 & CMD2_SET ? " SET" : "",  in dumpmode()
426 		    set->cmd2 & CMD2_UBITS ? " UBITS" : "",  in dumpmode()
427 		    set->cmd2 & CMD2_GBITS ? " GBITS" : "",  in dumpmode()
428 		    set->cmd2 & CMD2_OBITS ? " OBITS" : "");  in dumpmode()
439 compress_mode(BITCMD *set)  in compress_mode()  argument
444 	_DIAGASSERT(set != NULL);  in compress_mode()
446 	for (nset = set;;) {  in compress_mode()
449 			*set++ = *nset++;  in compress_mode()
469 			set->cmd = '-';  in compress_mode()
470 			set->cmd2 = 0;  in compress_mode()
471 			set->bits = clrbits;  in compress_mode()
472 			set++;  in compress_mode()
475 			set->cmd = '+';  in compress_mode()
476 			set->cmd2 = 0;  in compress_mode()
477 			set->bits = setbits;  in compress_mode()
478 			set++;  in compress_mode()
481 			set->cmd = 'X';  in compress_mode()
482 			set->cmd2 = 0;  in compress_mode()
483 			set->bits = Xbits;  in compress_mode()
484 			set++;  in compress_mode()