659     long	    perm;		    // file permissions  in buf_write()  local
1042     perm = -1;  in buf_write()
1047 	perm = st_old.st_mode;  in buf_write()
1066 	    perm = -1;  in buf_write()
1092 	perm = -1;  in buf_write()
1096 	perm = mch_getperm(fname);  in buf_write()
1097 	if (perm < 0)  in buf_write()
1114 	file_readonly = check_file_readonly(fname, (int)perm);  in buf_write()
1168     if (!(append && *p_pm == NUL) && !filtering && perm >= 0 && dobackup)  in buf_write()
1219 				    O_CREAT|O_WRONLY|O_EXCL|O_NOFOLLOW, perm);  in buf_write()
1231 			    || (long)st.st_mode != perm)  in buf_write()
1441 								 perm & 0777);  in buf_write()
1453 			(void)mch_setperm(backup, perm & 0777);  in buf_write()
1465 					  (perm & 0707) | ((perm & 07) << 3));  in buf_write()
1619     if (forceit && perm >= 0 && !(perm & 0200) && st_old.st_uid == getuid()  in buf_write()
1622 	perm |= 0200;  in buf_write()
1623 	(void)mch_setperm(fname, perm);  in buf_write()
1811 				, perm < 0 ? 0666 : (perm & 0777))) < 0)  in buf_write()
1832 								  && perm >= 0)  in buf_write()
1837 			    if (!(perm & 0200))  in buf_write()
1839 			    perm |= 0200;  in buf_write()
1842 				perm &= 0777;  in buf_write()
1902 			&& perm >= 0  in buf_write()
1969 	if (buf->b_p_bomb && !write_bin && (!append || perm < 0))  in buf_write()
2211 		if (fchown(fd, -1, st_old.st_gid) == -1 && perm > 0)  in buf_write()
2212 		    perm &= ~070;  in buf_write()
2224 	    perm &= ~0200;	// reset 'w' bit for security reasons  in buf_write()
2228 	if (perm >= 0)  in buf_write()
2229 	    (void)mch_fsetperm(fd, perm);  in buf_write()
2239 	if (perm >= 0)  in buf_write()
2240 	    (void)mch_setperm(wfname, perm);  in buf_write()
2327 							   perm & 0777)) >= 0)  in buf_write()
2477 					perm < 0 ? 0666 : (perm & 0777))) < 0)  in buf_write()