altos/lisp: more GC issues. add patom

Use global ao_lisp_stack instead of local stack so that gc
moves of that item work.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/src/lisp/ao_lisp_string.c b/src/lisp/ao_lisp_string.c
index 39c3dc81..0064064c 100644
--- a/src/lisp/ao_lisp_string.c
+++ b/src/lisp/ao_lisp_string.c
@@ -99,3 +99,13 @@ ao_lisp_string_print(ao_poly p)
 	}
 	putchar('"');
 }
+
+void
+ao_lisp_string_patom(ao_poly p)
+{
+	char	*s = ao_lisp_poly_string(p);
+	char	c;
+
+	while ((c = *s++))
+		putchar(c);
+}