usr.bin/cvs/diff_internals.c

306 	FILE *f1, *f2;
311 	f1 = f2 = NULL;
335 	f1 = fdopen(fd1, "r");
336 	if (f1 == NULL) {
360 	switch (files_differ(f1, f2)) {
371 	    (!asciifile(f1) || !asciifile(f2))) {
376 	prepare(0, f1, stb1.st_size, flags);
406 	check(f1, f2, flags);
407 	output(f1, f2, flags);
414 	if (f1 != NULL)
415 		fclose(f1);
428 files_differ(FILE *f1, FILE *f2)
436 		i = fread(buf1, 1, sizeof(buf1), f1);
438 		if ((!i && ferror(f1)) || (!j && ferror(f2)))
650 check(FILE *f1, FILE *f2, int flags)
655 	rewind(f1);
663 			ixold[i] = ctold += skipline(f1);
672 				c = getc(f1);
691 					} while (isspace(c = getc(f1)));
699 						c = getc(f1);
711 						ctold += skipline(f1);
723 				if ((c = getc(f1)) != (d = getc(f2))) {
727 						ctold += skipline(f1);
805 output(FILE *f1, FILE *f2, int flags)
809 	rewind(f1);
823 		change(f1, f2, i0, i1, j0, j1, flags);
826 		change(f1, f2, 1, 0, 1, len[1], flags);
830 			if ((c = getc(f1)) == EOF)
838 			dump_context_vec(f1, f2, flags);
840 			dump_unified_vec(f1, f2, flags);
967 change(FILE *f1, FILE *f2, int a, int b, int c, int d, int flags)
983 				line = preadline(fileno(f1),
1029 				dump_context_vec(f1, f2, flags);
1031 				dump_unified_vec(f1, f2, flags);
1064 		fetch(ixold, a, b, f1, '<', 1, flags);
1270 dump_context_vec(FILE *f1, FILE *f2, int flags)
1288 		f = match_function(ixold, lowa-1, f1);
1321 				fetch(ixold, lowa, b, f1, ' ', 0, flags);
1323 				fetch(ixold, lowa, a - 1, f1, ' ', 0, flags);
1324 				fetch(ixold, a, b, f1,
1330 		fetch(ixold, b + 1, upb, f1, ' ', 0, flags);
1373 dump_unified_vec(FILE *f1, FILE *f2, int flags)
1395 		f = match_function(ixold, lowa-1, f1);
1423 			fetch(ixold, lowa, a - 1, f1, ' ', 0, flags);
1424 			fetch(ixold, a, b, f1, '-', 0, flags);
1428 			fetch(ixold, lowa, a - 1, f1, ' ', 0, flags);
1429 			fetch(ixold, a, b, f1, '-', 0, flags);