302 	FILE *f1, *f2;  in diffreg()  local
305 	f1 = f2 = NULL;  in diffreg()
324 	f2 = fopen(file2, "r");  in diffreg()
325 	if (f2 == NULL) {  in diffreg()
335 	if (fstat(fileno(f2), &stb2) == -1) {  in diffreg()
340 	switch (files_differ(f1, f2)) {  in diffreg()
353 	    (!asciifile(f1) || !asciifile(f2))) {  in diffreg()
359 	prepare(1, f2, stb2.st_size, flags);  in diffreg()
388 	check(f1, f2, flags);  in diffreg()
389 	output(f1, f2, flags);  in diffreg()
398 	if (f2 != NULL)  in diffreg()
399 		fclose(f2);  in diffreg()
410 files_differ(FILE *f1, FILE *f2)  in files_differ()  argument
419 		j = fread(buf2, 1, sizeof(buf2), f2);  in files_differ()
420 		if ((!i && ferror(f1)) || (!j && ferror(f2)))  in files_differ()
632 check(FILE *f1, FILE *f2, int flags)  in check()  argument
638 	rewind(f2);  in check()
649 			ixnew[j] = ctnew += skipline(f2);  in check()
655 				d = getc(f2);  in check()
678 					} while (isspace(d = getc(f2)));  in check()
685 						d = getc(f2);  in check()
695 						ctnew += skipline(f2);  in check()
705 				if ((c = getc(f1)) != (d = getc(f2))) {  in check()
711 						ctnew += skipline(f2);  in check()
723 		ixnew[j] = ctnew += skipline(f2);  in check()
787 output(FILE *f1, FILE *f2, int flags)  in output()  argument
792 	rewind(f2);  in output()
805 		change(f1, f2, i0, i1, j0, j1, flags);  in output()
808 		change(f1, f2, 1, 0, 1, len[1], flags);  in output()
820 			dump_context_vec(f1, f2, flags);  in output()
822 			dump_unified_vec(f1, f2, flags);  in output()
876 change(FILE *f1, FILE *f2, int a, int b, int c, int d, int flags)  in change()  argument
902 				line = preadline(fileno(f2),  in change()
964 				dump_context_vec(f1, f2, flags);  in change()
966 				dump_unified_vec(f1, f2, flags);  in change()
1003 	fetch(ixnew, c, d, f2, diff_format == D_NORMAL ? '>' : '\0', 0, flags);  in change()
1197 dump_context_vec(FILE *f1, FILE *f2, int flags)  in dump_context_vec()  argument
1284 				fetch(ixnew, lowc, d, f2, ' ', 0, flags);  in dump_context_vec()
1286 				fetch(ixnew, lowc, c - 1, f2, ' ', 0, flags);  in dump_context_vec()
1287 				fetch(ixnew, c, d, f2,  in dump_context_vec()
1293 		fetch(ixnew, d + 1, upd, f2, ' ', 0, flags);  in dump_context_vec()
1300 dump_unified_vec(FILE *f1, FILE *f2, int flags)  in dump_unified_vec()  argument
1352 			fetch(ixnew, c, d, f2, '+', 0, flags);  in dump_unified_vec()
1359 			fetch(ixnew, lowc, c - 1, f2, ' ', 0, flags);  in dump_unified_vec()
1360 			fetch(ixnew, c, d, f2, '+', 0, flags);  in dump_unified_vec()
1366 	fetch(ixnew, d + 1, upd, f2, ' ', 0, flags);  in dump_unified_vec()