tccpp: Fix macro_is_equal

When tokens in macro definitions need cstr_buf inside get_tok_str, the second might overwrite the first (happens when tokens are multi-character non-identifiers, see testcase) in macro_is_equal, failing to diagnose a difference. Use a real local buffer.
2016-05-18 20:36:59 +02:00
parent 8080401ab0
commit 38e5cf0983
3 changed files with 10 additions and 4 deletions
--- a/tests/pp/16.c
+++ b/tests/pp/16.c
@ -0,0 +1,3 @@
+/* The following should warn */
+#define A ...
+#define A <<=
--- a/tests/pp/16.expect
+++ b/tests/pp/16.expect
@ -0,0 +1,2 @@
+
+16.c:3: warning: A redefined