218 visit(State_t* state, register FTSENT* ent)  in visit()  argument
237 	if (ent->fts_info == FTS_DC)  in visit()
239 		error(2, "%s: directory causes cycle", ent->fts_path);  in visit()
240 		fts_set(NiL, ent, FTS_SKIP);  in visit()
243 	if (ent->fts_level == 0)  in visit()
245 		base = ent->fts_name;  in visit()
246 		len = ent->fts_namelen;  in visit()
251 			state->presiz = ent->fts_pathlen;  in visit()
257 				state->presiz -= base - ent->fts_name;  in visit()
258 			base = ent->fts_name + len;  in visit()
259 			while (base > ent->fts_name && *(base - 1) == '/')  in visit()
261 			while (base > ent->fts_name && *(base - 1) != '/')  in visit()
263 			len -= base - ent->fts_name;  in visit()
270 		base = ent->fts_path + state->presiz + 1;  in visit()
271 		len = ent->fts_pathlen - state->presiz - 1;  in visit()
278 		if (state->hierarchy && ent->fts_level == 0 && strchr(base, '/'))  in visit()
296 …				error(ERROR_SYSTEM|2, "%s: cannot create directory -- %s ignored", state->path, ent->fts_path);  in visit()
297 						fts_set(NiL, ent, FTS_SKIP);  in visit()
306 	switch (ent->fts_info)  in visit()
309 …if (state->preserve && state->op != LN || ent->fts_level > 0 && (ent->fts_statp->st_mode & S_IRWXU…  in visit()
311 			if (len && ent->fts_level > 0)  in visit()
319 …if ((ent->fts_statp->st_mode & S_IPERM) != (st.st_mode & S_IPERM) && chmod(state->path, ent->fts_s…  in visit()
322 					preserve(state, state->path, &st, ent->fts_statp);  in visit()
331 			fts_set(NiL, ent, FTS_SKIP);  in visit()
333 				error(1, "%s: directory -- copying as plain file", ent->fts_path);  in visit()
336 				error(2, "%s: cannot link directory", ent->fts_path);  in visit()
340 		else switch (ent->fts_info)  in visit()
343 			error(2, "%s: cannot read directory", ent->fts_path);  in visit()
346 			error(2, "%s: cannot search directory", ent->fts_path);  in visit()
347 			fts_set(NiL, ent, FTS_SKIP);  in visit()
357 					error(2, "%s: not a directory -- %s ignored", state->path, ent->fts_path);  in visit()
361 …else if (mkdir(state->path, (ent->fts_statp->st_mode & S_IPERM)|(ent->fts_info == FTS_D ? S_IRWXU …  in visit()
363 				error(ERROR_SYSTEM|2, "%s: cannot create directory -- %s ignored", state->path, ent->fts_path);  in visit()
364 				fts_set(NiL, ent, FTS_SKIP);  in visit()
380 			error(2, "%s: not found", ent->fts_path);  in visit()
388 			error(2, "%s: cannot copy non-terminal symbolic link", ent->fts_path);  in visit()
398 …else if (state->update && !S_ISDIR(st.st_mode) && (unsigned long)ent->fts_statp->st_mtime < (unsig…  in visit()
400 		fts_set(NiL, ent, FTS_SKIP);  in visit()
409 		if (st.st_dev == ent->fts_statp->st_dev && st.st_ino == ent->fts_statp->st_ino)  in visit()
422 				error(2, "%s: identical to %s", state->path, ent->fts_path);  in visit()
432 		rm = state->op == LN || ent->fts_info == FTS_SL;  in visit()
535 			if (!rename(ent->fts_path, state->path))  in visit()
544 			if (errno != EXDEV && (rm || S_ISDIR(ent->fts_statp->st_mode)))  in visit()
546 				error(ERROR_SYSTEM|2, "%s: cannot rename to %s", ent->fts_path, state->path);  in visit()
554 		if (S_ISLNK(ent->fts_statp->st_mode))  in visit()
556 			if ((n = pathgetlink(ent->fts_path, state->text, sizeof(state->text) - 1)) < 0)  in visit()
558 				error(ERROR_SYSTEM|2, "%s: cannot read symbolic link text", ent->fts_path);  in visit()
564 				error(ERROR_SYSTEM|2, "%s: cannot copy symbolic link to %s", ent->fts_path, state->path);  in visit()
568 		else if (state->op == CP || S_ISREG(ent->fts_statp->st_mode) || S_ISDIR(ent->fts_statp->st_mode))  in visit()
570 			if (ent->fts_statp->st_size > 0 && (rfd = open(ent->fts_path, O_RDONLY|O_BINARY)) < 0)  in visit()
572 				error(ERROR_SYSTEM|2, "%s: cannot read", ent->fts_path);  in visit()
575 …else if ((wfd = open(state->path, st.st_mode ? (state->wflags & ~O_EXCL) : state->wflags, ent->fts…  in visit()
578 				if (ent->fts_statp->st_size > 0)  in visit()
582 			else if (ent->fts_statp->st_size > 0)  in visit()
586 					error(ERROR_SYSTEM|2, "%s: %s read stream error", ent->fts_path, state->path);  in visit()
595 						error(ERROR_SYSTEM|2, "%s: %s write stream error", ent->fts_path, state->path);  in visit()
610 …error(ERROR_SYSTEM|2, "%s: %s %s error", ent->fts_path, state->path, n == 1 ? ERROR_translate(0, 0…  in visit()
617 …else if (S_ISBLK(ent->fts_statp->st_mode) || S_ISCHR(ent->fts_statp->st_mode) || S_ISFIFO(ent->fts…  in visit()
619 			if (mknod(state->path, ent->fts_statp->st_mode, idevice(ent->fts_statp)))  in visit()
621 				error(ERROR_SYSTEM|2, "%s: cannot copy special file to %s", ent->fts_path, state->path);  in visit()
627 …error(2, "%s: cannot copy -- unknown file type 0%o", ent->fts_path, S_ITYPE(ent->fts_statp->st_mod…  in visit()
632 			if (ent->fts_info != FTS_SL)  in visit()
638 …if ((ent->fts_statp->st_mode & state->perm) != (st.st_mode & state->perm) && chmod(state->path, en…  in visit()
640 					preserve(state, state->path, &st, ent->fts_statp);  in visit()
643 			if (state->op == MV && remove(ent->fts_path))  in visit()
644 				error(ERROR_SYSTEM|1, "%s: cannot remove", ent->fts_path);  in visit()
648 		if ((*state->link)(ent->fts_path, state->path))  in visit()
649 			error(ERROR_SYSTEM|2, "%s: cannot link to %s", ent->fts_path, state->path);  in visit()
663 	FTSENT*		ent;  in b_cp()  local
925 		while (!sh_checksig(context) && (ent = fts_read(fts)) && !visit(state, ent));  in b_cp()