260 	FILE *f1, *f2;  in diffreg()  local
265 	f1 = f2 = NULL;  in diffreg()
320 		f2 = fopen(_PATH_DEVNULL, "r");  in diffreg()
323 			if ((f2 = opentemp(file2)) == NULL ||  in diffreg()
324 			    fstat(fileno(f2), &stb2) == -1) {  in diffreg()
331 			f2 = stdin;  in diffreg()
333 			f2 = fopen(file2, "r");  in diffreg()
335 	if (f2 == NULL) {  in diffreg()
349 		if (caph_rights_limit(fileno(f2), &rights_ro) < 0)  in diffreg()
351 		if (fileno(f1) == STDIN_FILENO || fileno(f2) == STDIN_FILENO) {  in diffreg()
366 	switch (files_differ(f1, f2, flags)) {  in diffreg()
387 		(void)prepare(1, f2, stb2.st_size, flags);  in diffreg()
388 	} else if (!asciifile(f1) || !asciifile(f2) ||  in diffreg()
390 		    !prepare(1, f2, stb2.st_size, flags)) {  in diffreg()
423 	check(f1, f2, flags);  in diffreg()
424 	output(file1, f1, file2, f2, flags);  in diffreg()
436 	if (f2 != NULL)  in diffreg()
437 		fclose(f2);  in diffreg()
448 files_differ(FILE *f1, FILE *f2, int flags)  in files_differ()  argument
458 		j = fread(buf2, 1, sizeof(buf2), f2);  in files_differ()
459 		if ((!i && ferror(f1)) || (!j && ferror(f2)))  in files_differ()
728 check(FILE *f1, FILE *f2, int flags)  in check()  argument
734 	rewind(f2);  in check()
745 			ixnew[j] = ctnew += skipline(f2);  in check()
751 				d = getc(f2);  in check()
776 						if ((d = getc(f2)) == '\n') {  in check()
779 							ungetc(d, f2);  in check()
795 					} while (isspace(d = getc(f2)));  in check()
802 						d = getc(f2);  in check()
812 						ctnew += skipline(f2);  in check()
822 				if ((c = getc(f1)) != (d = getc(f2))) {  in check()
828 						ctnew += skipline(f2);  in check()
840 		ixnew[j] = ctnew += skipline(f2);  in check()
905 output(char *file1, FILE *f1, char *file2, FILE *f2, int flags)  in output()  argument
910 	rewind(f2);  in output()
924 					fetch(ixnew, J[i0], J[i0], f2, '\0',  in output()
948 					change(file1, f1, file2, f2, i, i,  in output()
952 					change(file1, f1, file2, f2,  in output()
958 					change(file1, f1, file2, f2,  in output()
963 				change(file1, f1, file2, f2, i0, i1, j0,  in output()
976 			change(file1, f1, file2, f2, i1, i0, j1, j0, &flags);  in output()
980 		change(file1, f1, file2, f2, 1, 0, 1, len[1], &flags);  in output()
992 			dump_context_vec(f1, f2, flags);  in output()
994 			dump_unified_vec(f1, f2, flags);  in output()
1064 change(char *file1, FILE *f1, char *file2, FILE *f2, int a, int b, int c, int d,  in change()  argument
1095 				line = preadline(fileno(f2),  in change()
1133 				dump_context_vec(f1, f2, *pflags);  in change()
1135 				dump_unified_vec(f1, f2, *pflags);  in change()
1187 					fetch(ixnew, c, d, f2, '>', 0, *pflags);  in change()
1207 		fetch(ixnew, c, d, f2, '\0', 0, *pflags);  in change()
1216 		fetch(ixnew, c, d, f2, diff_format == D_NORMAL ? '>' : '\0', 0, *pflags);  in change()
1478 dump_context_vec(FILE *f1, FILE *f2, int flags)  in dump_context_vec()  argument
1565 				fetch(ixnew, lowc, d, f2, ' ', 0, flags);  in dump_context_vec()
1567 				fetch(ixnew, lowc, c - 1, f2, ' ', 0, flags);  in dump_context_vec()
1568 				fetch(ixnew, c, d, f2,  in dump_context_vec()
1574 		fetch(ixnew, d + 1, upd, f2, ' ', 0, flags);  in dump_context_vec()
1581 dump_unified_vec(FILE *f1, FILE *f2, int flags)  in dump_unified_vec()  argument
1633 			fetch(ixnew, c, d, f2, '+', 0, flags);  in dump_unified_vec()
1640 			fetch(ixnew, lowc, c - 1, f2, ' ', 0, flags);  in dump_unified_vec()
1641 			fetch(ixnew, c, d, f2, '+', 0, flags);  in dump_unified_vec()
1647 	fetch(ixnew, d + 1, upd, f2, ' ', 0, flags);  in dump_unified_vec()