Create tags for typedefs, structs, unions and enums by default (imply the

-t option). Make a new option, -T, to revert to the old behaviour.

usr.bin/ctags/ctags.1

@@ -42,7 +42,7 @@
 file
 .Sh SYNOPSIS
 .Nm
-.Op Fl BFadtuwvx
+.Op Fl BFTaduwvx
 .Op Fl f Ar tagsfile
 .Ar name ...
 .Sh DESCRIPTION
@@ -80,6 +80,8 @@ Use backward searching patterns
 Use forward searching patterns
 .Pq Li /.../
 (the default).
+.It Fl T
+Do not create tags for typedefs, structs, unions, and enums.
 .It Fl a
 Append to
 .Pa tags
@@ -95,8 +97,6 @@ Place the tag descriptions in a file called
 .Ar tagsfile .
 The default behaviour is to place them in a file called
 .Pa tags .
-.It Fl t
-Create tags for typedefs, structs, unions, and enums.
 .It Fl u
 Update the specified files in the
 .Pa tags
@@ -203,6 +203,13 @@ Duplicate objects are not considered errors.
 .Sh SEE ALSO
 .Xr ex 1 ,
 .Xr vi 1
+.Sh COMPATIBILITY
+The
+.Fl t
+option is a no-op for compatibility with previous versions of
+.Nm
+that did not create tags for typedefs, enums, structs and unions
+by default.
 .Sh BUGS
 Recognition of functions, subroutines and procedures
 for Fortran and Pascal is done in a very simpleminded way.

usr.bin/ctags/ctags.c

@@ -98,7 +98,8 @@ main(argc, argv)
 	char	*cmd;
 
 	aflag = uflag = NO;
-	while ((ch = getopt(argc, argv, "BFadf:tuwvx")) != -1)
+	tflag = YES;
+	while ((ch = getopt(argc, argv, "BFTadf:tuwvx")) != -1)
 		switch(ch) {
 		case 'B':
 			searchar = '?';
@@ -106,6 +107,9 @@ main(argc, argv)
 		case 'F':
 			searchar = '/';
 			break;
+		case 'T':
+			tflag = NO;
+			break;
 		case 'a':
 			aflag++;
 			break;
@@ -116,7 +120,7 @@ main(argc, argv)
 			outfile = optarg;
 			break;
 		case 't':
-			tflag++;
+			tflag = YES;
 			break;
 		case 'u':
 			uflag++;
@@ -189,7 +193,7 @@ main(argc, argv)
 static void
 usage()
 {
-	(void)fprintf(stderr, "usage: ctags [-BFadtuwvx] [-f tagsfile] file ...\n");
+	(void)fprintf(stderr, "usage: ctags [-BFTaduwvx] [-f tagsfile] file ...\n");
 	exit(1);
 }