68 IO	in, out;		/* input/output state */  variable
116 	if (close(out.fd) == -1 && errno != EINTR)  in main()
165 	if (out.name == NULL) {  in setup()
167 		out.fd = STDOUT_FILENO;  in setup()
168 		out.name = "stdout";  in setup()
170 			oflags = fcntl(out.fd, F_GETFL);  in setup()
174 			if (fcntl(out.fd, F_SETFL, oflags) == -1)  in setup()
186 		out.fd = open(out.name, O_RDWR | oflags, DEFFILEMODE);  in setup()
193 		if (out.fd == -1) {  in setup()
195 			out.fd = open(out.name, O_WRONLY | oflags, DEFFILEMODE);  in setup()
197 			out.flags |= NOREAD;  in setup()
200 		if (out.fd == -1)  in setup()
201 			err(1, "%s", out.name);  in setup()
204 	getfdtype(&out);  in setup()
206 	if (caph_rights_limit(out.fd, &rights) == -1)  in setup()
208 	if (caph_ioctls_limit(out.fd, cmds, nitems(cmds)) == -1)  in setup()
211 	if (in.fd != STDIN_FILENO && out.fd != STDIN_FILENO) {  in setup()
216 	if (in.fd != STDOUT_FILENO && out.fd != STDOUT_FILENO) {  in setup()
221 	if (in.fd != STDERR_FILENO && out.fd != STDERR_FILENO) {  in setup()
231 		if ((in.db = malloc((size_t)out.dbsz + in.dbsz - 1)) == NULL)  in setup()
233 		out.db = in.db;  in setup()
235 	    (out.db = malloc(out.dbsz + cbsz)) == NULL)  in setup()
240 	out.dbp = out.db;  in setup()
245 	if (out.offset)  in setup()
253 	    out.flags & ISTRUNC)  in setup()
254 		if (ftruncate(out.fd, out.offset * out.dbsz) == -1)  in setup()
255 			err(1, "truncating %s", out.name);  in setup()
471 			out.dbcnt = in.dbcnt;  in dd_in()
508 	if (ddflags & C_OSYNC && out.dbcnt && out.dbcnt < out.dbsz) {  in dd_close()
510 			memset(out.dbp, fill_char, out.dbsz - out.dbcnt);  in dd_close()
512 			memset(out.dbp, ' ', out.dbsz - out.dbcnt);  in dd_close()
514 			memset(out.dbp, 0, out.dbsz - out.dbcnt);  in dd_close()
515 		out.dbcnt = out.dbsz;  in dd_close()
517 	if (out.dbcnt || pending)  in dd_close()
524 	if (out.seek_offset > 0 && (out.flags & ISTRUNC)) {  in dd_close()
525 		if (ftruncate(out.fd, out.seek_offset) == -1)  in dd_close()
526 			err(1, "truncating %s", out.name);  in dd_close()
530 		if (fsync(out.fd) == -1)  in dd_close()
531 			err(1, "fsyncing %s", out.name);  in dd_close()
533 		if (fdatasync(out.fd) == -1)  in dd_close()
534 			err(1, "fdatasyncing %s", out.name);  in dd_close()
563 	outp = out.db;  in dd_out()
570 	for (n = force ? out.dbcnt : out.dbsz;; n = out.dbsz) {  in dd_out()
589 					out.seek_offset = lseek(out.fd, pending, SEEK_CUR);  in dd_out()
590 					if (out.seek_offset == -1)  in dd_out()
592 						    out.name);  in dd_out()
597 					nw = write(out.fd, outp, cnt);  in dd_out()
599 					out.seek_offset = 0;  in dd_out()
607 					errx(1, "%s: end of device", out.name);  in dd_out()
609 					err(1, "%s", out.name);  in dd_out()
616 			if ((size_t)nw == n && n == (size_t)out.dbsz)  in dd_out()
622 				if (out.flags & ISTAPE)  in dd_out()
624 				    	out.name);  in dd_out()
625 				if (out.flags & ISCHR && !warned) {  in dd_out()
628 				    	out.name);  in dd_out()
635 		if ((out.dbcnt -= n) < out.dbsz)  in dd_out()
640 	if (out.dbcnt)  in dd_out()
641 		(void)memmove(out.db, out.dbp - out.dbcnt, out.dbcnt);  in dd_out()
642 	out.dbp = out.db + out.dbcnt;  in dd_out()