245 	FILE *f1, *f2;  in diffreg()  local
250 	f1 = f2 = NULL;  in diffreg()
327 		f2 = fopen(_PATH_DEVNULL, "r");  in diffreg()
330 			if ((f2 = opentemp(file2)) == NULL ||  in diffreg()
331 			    fstat(fileno(f2), &stb2) == -1) {  in diffreg()
338 			f2 = stdin;  in diffreg()
340 			f2 = fopen(file2, "r");  in diffreg()
342 	if (f2 == NULL) {  in diffreg()
356 		if (caph_rights_limit(fileno(f2), &rights_ro) < 0)  in diffreg()
358 		if (fileno(f1) == STDIN_FILENO || fileno(f2) == STDIN_FILENO) {  in diffreg()
373 	switch (files_differ(f1, f2, flags)) {  in diffreg()
395 		(void)prepare(1, f2, stb2.st_size, flags);  in diffreg()
396 	} else if (!asciifile(f1) || !asciifile(f2) ||  in diffreg()
398 		    !prepare(1, f2, stb2.st_size, flags)) {  in diffreg()
435 	check(f1, f2, flags);  in diffreg()
436 	output(file1, f1, file2, f2, flags);  in diffreg()
448 	if (f2 != NULL)  in diffreg()
449 		fclose(f2);  in diffreg()
460 files_differ(FILE *f1, FILE *f2, int flags)  in files_differ()  argument
474 		j = fread(buf2, 1, sizeof(buf2), f2);  in files_differ()
475 		if ((!i && ferror(f1)) || (!j && ferror(f2)))  in files_differ()
707 check(FILE *f1, FILE *f2, int flags)  in check()  argument
713 	rewind(f2);  in check()
724 			ixnew[j] = ctnew += skipline(f2);  in check()
730 				d = getc(f2);  in check()
755 						if ((d = getc(f2)) == '\n') {  in check()
758 							ungetc(d, f2);  in check()
774 					} while (isspace(d = getc(f2)));  in check()
781 						d = getc(f2);  in check()
791 						ctnew += skipline(f2);  in check()
801 				if ((c = getc(f1)) != (d = getc(f2))) {  in check()
807 						ctnew += skipline(f2);  in check()
819 		ixnew[j] = ctnew += skipline(f2);  in check()
884 output(char *file1, FILE *f1, char *file2, FILE *f2, int flags)  in output()  argument
889 	rewind(f2);  in output()
899 					fetch(ixnew, J[i0], J[i0], f2, '\0', 0, flags);  in output()
921 					change(file1, f1, file2, f2, i, i, j, j, &flags);  in output()
924 					change(file1, f1, file2, f2, i, i, j + 1, j, &flags);  in output()
929 					change(file1, f1, file2, f2, i + 1, i, j, j, &flags);  in output()
933 				change(file1, f1, file2, f2, i0, i1, j0, j1, &flags);  in output()
945 			change(file1, f1, file2, f2, i1, i0, j1, j0, &flags);  in output()
949 		change(file1, f1, file2, f2, 1, 0, 1, len[1], &flags);  in output()
961 			dump_context_vec(f1, f2, flags);  in output()
963 			dump_unified_vec(f1, f2, flags);  in output()
1029 change(char *file1, FILE *f1, char *file2, FILE *f2, int a, int b, int c, int d,  in change()  argument
1061 				line = preadline(fileno(f2),  in change()
1105 				dump_context_vec(f1, f2, *pflags);  in change()
1107 				dump_unified_vec(f1, f2, *pflags);  in change()
1159 					fetch(ixnew, c, d, f2, '>', 0, *pflags);  in change()
1189 		fetch(ixnew, c, d, f2, '\0', 0, *pflags);  in change()
1198 		fetch(ixnew, c, d, f2, diff_format == D_NORMAL ? '>' : '\0', 0, *pflags);  in change()
1468 dump_context_vec(FILE *f1, FILE *f2, int flags)  in dump_context_vec()  argument
1555 				fetch(ixnew, lowc, d, f2, ' ', 0, flags);  in dump_context_vec()
1557 				fetch(ixnew, lowc, c - 1, f2, ' ', 0, flags);  in dump_context_vec()
1558 				fetch(ixnew, c, d, f2,  in dump_context_vec()
1564 		fetch(ixnew, d + 1, upd, f2, ' ', 0, flags);  in dump_context_vec()
1571 dump_unified_vec(FILE *f1, FILE *f2, int flags)  in dump_unified_vec()  argument
1623 			fetch(ixnew, c, d, f2, '+', 0, flags);  in dump_unified_vec()
1630 			fetch(ixnew, lowc, c - 1, f2, ' ', 0, flags);  in dump_unified_vec()
1631 			fetch(ixnew, c, d, f2, '+', 0, flags);  in dump_unified_vec()
1637 	fetch(ixnew, d + 1, upd, f2, ' ', 0, flags);  in dump_unified_vec()