cmd/cpio/cpio.c

488 int	Bufsize = BUFSZ;	/* Default block size */
747 		if (Buffr.b_cnt > Bufsize)
748 			Blocks -=  (u_longlong_t)(Buffr.b_cnt / Bufsize);
827 	Blocks = (u_longlong_t)(Blocks * Bufsize + SBlocks + 0x1FF) >> 9;
901  * (converted to a multiple of Bufsize).
911 	while ((Buffr.b_end_p - Buffr.b_in_p) >= Bufsize) {
913 		if ((rv = g_read(Device, Archive, Buffr.b_in_p, Bufsize)) < 0) {
914 			if (((Buffr.b_end_p - Buffr.b_in_p) >= Bufsize) &&
928 				if (lseek(Archive, Bufsize, SEEK_REL) < 0)
937 		if (Hdr_type != BAR || rv == Bufsize) {
941 		if (rv == Bufsize) {
966 	} /* (Buffr.b_end_p - Buffr.b_in_p) <= Bufsize */
970 		if ((rv = g_read(Device, Archive, Buffr.b_in_p, Bufsize)) < 0) {
975 		if (rv == Bufsize) {
1002 	while (Buffr.b_cnt >= Bufsize) {
1005 		    Bufsize)) < 0) {
1013 		if (rv == Bufsize)
1103 			    Bufsize)) == Bufsize)
1286 	if (Bufsize <= 0) {
1429 		Bufsize = (PageSize > 8192) ? PageSize : 8192;
1465 			have = (lcnt < Bufsize) ? lcnt : Bufsize;
2332 		Blocks += (u_longlong_t)((cnt + (Bufsize - 1)) / Bufsize);
3285 		    G_p->g_filesz, Bufsize, data_in_info, holes);
3291 		    G_p->g_filesz, Bufsize, data_in_info);
6350 	off2 = Bufsize - (Buffr.b_cnt % Bufsize);
6355 	if ((rv = g_read(Device, Archive, Buffr.b_in_p, Bufsize)) < 0)
6490 			Bufsize = 5120;
6497 				Bufsize = atoi(optarg);
6677 				if ((Bufsize = g_init(&Device, &Archive)) < 0)
6683 		blk_cnt_max = _20K / Bufsize;
6691 			Buffr.b_size = (size_t)(Bufsize * blk_cnt);
6707 	 * Now that Bufsize has stabilized, we can allocate our i/o buffer
6709 	Buf_p = e_valloc(E_EXIT, Bufsize);
7368  * and bwrite the trailer.  Pad the buffer with nulls out to the next Bufsize
7423 	need = Bufsize - (Buffr.b_cnt % Bufsize);
7424 	if (need == Bufsize)
7720 	buff = e_zalloc(E_EXIT, (uint_t)Bufsize);
7722 	if (g_read(Device, Archive, buff, Bufsize) < 0) {
7763 	(void) memcpy(Buffr.b_in_p, &buff[512], (Bufsize - 512));
7764 	Buffr.b_in_p += (Bufsize - 512);
7765 	Buffr.b_cnt += (long)(Bufsize - 512);