119 	register Crc_t*		sum;  in crc_open()  local
128 	if (sum = newof(0, Crc_t, 1, 0))  in crc_open()
130 		sum->method = (Method_t*)method;  in crc_open()
131 		sum->name = name;  in crc_open()
136 		sum->init=0;  in crc_open()
137 		sum->done=0xffffffff;  in crc_open()
138 		sum->xorsize=0x0;  in crc_open()
139 		sum->addsize=0x1;  in crc_open()
140 		sum->rotate=1;  in crc_open()
143 		sum->tab=posix_cksum_tab;  in crc_open()
158 				sum->done = v ? strtoul(v + 1, NiL, 0) : ~sum->done;  in crc_open()
160 				sum->init = v ? strtoul(v + 1, NiL, 0) : ~sum->init;  in crc_open()
162 				sum->rotate = 1;  in crc_open()
165 				sum->addsize = 1;  in crc_open()
167 					sum->xorsize = strtoul(v + 1, NiL, 0);  in crc_open()
172 		if (sum->rotate)  in crc_open()
180 			for (i = 0; i < elementsof(sum->tabdata); i++)  in crc_open()
190 				sum->tabdata[i] = t;  in crc_open()
195 			for (i = 0; i < elementsof(sum->tabdata); i++)  in crc_open()
200 				sum->tabdata[i] = x;  in crc_open()
204 		sum->tab=sum->tabdata;  in crc_open()
207 	return (Sum_t*)sum;  in crc_open()
213 	Crc_t*		sum = (Crc_t*)p;  in crc_init()  local
215 	sum->sum = sum->init;  in crc_init()
236 	Crc_t*			sum = (Crc_t*)p;  in crc_block()  local
237 	register Crcnum_t	c = sum->sum;  in crc_block()
244 	if (sum->rotate)  in crc_block()
251 				CRCROTATE(sum, c, *b++);  in crc_block()
259 			CRCROTATE(sum, c, *b++);  in crc_block()
269 				CRC(sum, c, *b++);  in crc_block()
277 			CRC(sum, c, *b++);  in crc_block()
281 	sum->sum = c;  in crc_block()
288 	Crc_t*			sum = (Crc_t*)p;  in crc_block()  local
289 	register Crcnum_t	c = sum->sum;  in crc_block()
293 	if (sum->rotate)  in crc_block()
295 			CRCROTATE(sum, c, *b++);  in crc_block()
298 			CRC(sum, c, *b++);  in crc_block()
299 	sum->sum = c;  in crc_block()
307 	register Crc_t*		sum = (Crc_t*)p;  in crc_done()  local
313 	c = sum->sum;  in crc_done()
314 	if (sum->addsize)  in crc_done()
316 		n = sum->size ^ sum->xorsize;  in crc_done()
317 		if (sum->rotate)  in crc_done()
320 				CRCROTATE(sum, c, n);  in crc_done()
327 				CRC(sum, c, n >> j);  in crc_done()
330 	sum->sum = c ^ sum->done;  in crc_done()
331 	sum->total_sum ^= (sum->sum &= 0xffffffff);  in crc_done()