666     stat_T	    st_old;  in buf_write()  local
1040     st_old.st_dev = 0;  in buf_write()
1041     st_old.st_ino = 0;  in buf_write()
1043     if (mch_stat((char *)fname, &st_old) < 0)  in buf_write()
1047 	perm = st_old.st_mode;  in buf_write()
1048 	if (!S_ISREG(st_old.st_mode))		// not a file  in buf_write()
1050 	    if (S_ISDIR(st_old.st_mode))  in buf_write()
1106 	    (void)mch_stat((char *)fname, &st_old);  in buf_write()
1134 	    retval = check_mtime(buf, &st_old);  in buf_write()
1187 	    if (st_old.st_nlink > 1  in buf_write()
1189 		    || st.st_dev != st_old.st_dev  in buf_write()
1190 		    || st.st_ino != st_old.st_ino  in buf_write()
1192 		    || st.st_uid != st_old.st_uid  in buf_write()
1193 		    || st.st_gid != st_old.st_gid  in buf_write()
1226 		    vim_ignored = fchown(fd, st_old.st_uid, st_old.st_gid);  in buf_write()
1229 			    || st.st_uid != st_old.st_uid  in buf_write()
1230 			    || st.st_gid != st_old.st_gid  in buf_write()
1269 		    && st.st_ino != st_old.st_ino)  in buf_write()
1274 		    && st_old.st_nlink > 1  in buf_write()
1275 		    && (lstat_res != 0 || st.st_ino == st_old.st_ino))  in buf_write()
1388 			if (st_new.st_dev == st_old.st_dev  in buf_write()
1389 					    && st_new.st_ino == st_old.st_ino)  in buf_write()
1459 			if (st_new.st_gid != st_old.st_gid  in buf_write()
1461 				&& fchown(bfd, (uid_t)-1, st_old.st_gid) != 0  in buf_write()
1496 			set_file_time(backup, st_old.st_atime, st_old.st_mtime);  in buf_write()
1619     if (forceit && perm >= 0 && !(perm & 0200) && st_old.st_uid == getuid()  in buf_write()
1822 		    if ((!newfile && st_old.st_nlink > 1)  in buf_write()
1824 				&& (st.st_dev != st_old.st_dev  in buf_write()
1825 				    || st.st_ino != st_old.st_ino)))  in buf_write()
1840 			    if (st_old.st_uid != getuid()  in buf_write()
1841 						  || st_old.st_gid != getgid())  in buf_write()
1904 			&& st.st_ino != st_old.st_ino)  in buf_write()
2205 		    || st.st_uid != st_old.st_uid  in buf_write()
2206 		    || st.st_gid != st_old.st_gid)  in buf_write()
2209 		vim_ignored = fchown(fd, st_old.st_uid, -1);  in buf_write()
2211 		if (fchown(fd, -1, st_old.st_gid) == -1 && perm > 0)  in buf_write()
2464 		set_file_time((char_u *)org, st_old.st_atime, st_old.st_mtime);  in buf_write()
2557 	    if (mch_stat((char *)fname, &st_old) >= 0)  in buf_write()
2559 		buf_store_time(buf, &st_old, fname);  in buf_write()