From dbc18f4cb01c3fbd169bca961e2c4d797f4974b8 Mon Sep 17 00:00:00 2001
From: Lukas Krickl <lukas@krickl.dev>
Date: Wed, 3 Jan 2024 21:41:47 +0100
Subject: [PATCH] Fixed segfault. TODO: macros do not expand strings properly

---
 src/ulas.c | 4 ++++
 tests/t0.s | 3 ++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/ulas.c b/src/ulas.c
index 73e8c28..e856721 100644
--- a/src/ulas.c
+++ b/src/ulas.c
@@ -2473,6 +2473,10 @@ int ulas_asmdirstr(FILE *dst, const char **line, unsigned long n, int *rc) {
 
   do {
     char *s = ulas_strexpr(line, n, rc);
+    if (!s || *rc != 0) {
+      *rc = -1;
+      return 0;
+    }
     long len = strlen(s);
 
     // apply char code map
diff --git a/tests/t0.s b/tests/t0.s
index 0609ee7..718063a 100644
--- a/tests/t0.s
+++ b/tests/t0.s
@@ -138,6 +138,7 @@ l3: .db 1
 .db $10
 .db $11
 .db $12
+.str $13
 #endmacro
 
-testmacro 1, 2, 3, 4, 5, 6, 7, 8, 9, 61, 62, 63 
+testmacro 1, 2, 3, 4, 5, 6, 7, 8, 9, 61, 62, 63, "test" 
-- 
2.30.2