os

commit 33ea3f56907ddabfb0db5697d3473a43e1a1d502
parent ff8504920ddb073c4ecfc72bcb8fca9da7ebb978
Author: erai <erai@omiltem.net>
Date:   Sat, 16 Mar 2024 11:39:44 -0400

find_tag: append

Diffstat:
M
lex.c
 | 
10
++++++----

1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/lex.c b/lex.c
@@ -593,22 +593,24 @@ intern(c: *compiler): *byte {
 
 find_tag(c: *compiler, s: *byte): *tag {
 	var t: *tag;
-	t = c.tags;
+	var link: **tag;
+	link = &c.tags;
 	loop {
+		t = *link;
 		if (!t) {
 			break;
 		}
 		if (!strcmp(t.s, s)) {
 			return t;
 		}
-		t = t.next;
+		link = &t.next;
 	}
 	t = alloc(&c.a, sizeof(*t)): *tag;
-	t.next = c.tags;
+	t.next = 0:*tag;
 	t.s = intern(c);
 	t.id = c.ntags;
 	c.ntags = c.ntags + 1;
-	c.tags = t;
+	*link = t;
 	return t;
 }