indent(1): add a new option, -ta, to treat all *_t identifiers as types

Submitted by:	Hans Petter Selasky
Discussed with:	bde
MFC after:	10 days

1 files changed, 12 insertions, 0 deletions

diff --git a/usr.bin/indent/lexi.c b/usr.bin/indent/lexi.c
index 60fc1ae..3d415d0 100644
--- a/usr.bin/indent/lexi.c
+++ b/usr.bin/indent/lexi.c
@@ -249,6 +249,17 @@ lexi(void)
 	last_code = ident;	/* Remember that this is the code we will
 				 * return */
 
+	if (auto_typedefs) {
+	    const char *q = s_token;
+	    /* Check if we have an "_t" in the end */
+	    if (q[0] && q[1] &&
+	        (strcmp(q + strlen(q) - 2, "_t") == 0)) {
+	        ps.its_a_keyword = true;
+		ps.last_u_d = true;
+	        goto found_auto_typedef;
+	    }
+	}
+
 	/*
 	 * This loop will check if the token is a keyword.
 	 */
@@ -285,6 +296,7 @@ lexi(void)
 		/* FALLTHROUGH */
 
 	    case 4:		/* one of the declaration keywords */
+	    found_auto_typedef:
 		if (ps.p_l_follow) {
 		    ps.cast_mask |= (1 << ps.p_l_follow) & ~ps.sizeof_mask;
 		    break;	/* inside parens: cast, param list or sizeof */