278 	diff_rev1 = diff_rev2 = NULL;  in cvs_diff()
385 		diff_rev1 = NULL;  in cvs_diff_local()
388 		diff_rev1 = rcs_translate_tag(rev1, cf->file_rcs);  in cvs_diff_local()
389 		if (diff_rev1 == NULL && cvs_cmdop == CVS_OP_DIFF) {  in cvs_diff_local()
395 				diff_rev1 = NULL;  in cvs_diff_local()
404 		} else if (diff_rev1 == NULL && cvs_cmdop == CVS_OP_RDIFF &&  in cvs_diff_local()
407 			if ((diff_rev1 = rcsnum_parse(rev1)) == NULL)  in cvs_diff_local()
409 			free(diff_rev1);  in cvs_diff_local()
411 			diff_rev1 = cf->file_rcs->rf_head;  in cvs_diff_local()
416 			diff_rev1 = NULL;  in cvs_diff_local()
418 			diff_rev1 = cf->file_ent->ce_rev;  in cvs_diff_local()
456 	if (diff_rev1 != NULL && diff_rev2 != NULL &&  in cvs_diff_local()
457 	    rcsnum_cmp(diff_rev1, diff_rev2, 0) == 0)  in cvs_diff_local()
464 			    !rcsnum_cmp(diff_rev1, cf->file_rcsrev, 0))  in cvs_diff_local()
469 		if (diff_rev1 == NULL && diff_rev2 == NULL)  in cvs_diff_local()
479 	if (diff_rev1 != NULL) {  in cvs_diff_local()
480 		if (cvs_cmdop == CVS_OP_DIFF && diff_rev1 != NULL) {  in cvs_diff_local()
481 			(void)rcsnum_tostr(diff_rev1, rbuf, sizeof(rbuf));  in cvs_diff_local()
485 		tv[0].tv_sec = rcs_rev_getdate(cf->file_rcs, diff_rev1);  in cvs_diff_local()
490 		fd1 = rcs_rev_write_stmp(cf->file_rcs, diff_rev1, p1, 0);  in cvs_diff_local()
541 		if (rev1 != NULL && diff_rev1 != NULL) {  in cvs_diff_local()
542 			(void)rcsnum_tostr(diff_rev1, rbuf, sizeof(rbuf));  in cvs_diff_local()
571 		if (diff_rev1 == NULL) {  in cvs_diff_local()
574 			(void)rcsnum_tostr(diff_rev1, rbuf, sizeof(rbuf));  in cvs_diff_local()
611 	if (diff_rev1 != NULL &&  in cvs_diff_local()
612 	    (cf->file_rcs == NULL || diff_rev1 != cf->file_rcs->rf_head) &&  in cvs_diff_local()
613 	    (cf->file_ent == NULL || diff_rev1 != cf->file_ent->ce_rev))  in cvs_diff_local()
614 		free(diff_rev1);  in cvs_diff_local()
615 	diff_rev1 = NULL;  in cvs_diff_local()