From 5bc4c0663576fd99bb06068e6dfd624690865c89 Mon Sep 17 00:00:00 2001
From: Dirk Engling <erdgeist@erdgeist.org>
Date: Sun, 25 Oct 2026 19:42:27 +0100
Subject: Be stricter about const char*, Wwrite-strings will warn in the future
 and we don't want to try to overwrite string literals

---
 tests/runner.c | 1 +
 tests/stubs.c  | 9 +++++++++
 tests/test.h   | 1 +
 3 files changed, 11 insertions(+)

(limited to 'tests')

diff --git a/tests/runner.c b/tests/runner.c
index db62246..972a56a 100644
--- a/tests/runner.c
+++ b/tests/runner.c
@@ -23,6 +23,7 @@ static const struct module modules[] = {{"scan_urlencoded_query", test_scan_urle
                                         {"ot_buf", test_buf},
                                         {"ot_ip", test_ip},
                                         {"ot_socket", test_socket},
+                                        {"ot_mutex", test_mutex},
                                         {"ot_accesslist", test_accesslist},
                                         {NULL, NULL}};
 
diff --git a/tests/stubs.c b/tests/stubs.c
index ce93071..09a7312 100644
--- a/tests/stubs.c
+++ b/tests/stubs.c
@@ -18,3 +18,12 @@ void free_peerlist(ot_peerlist *peer_list) { (void)peer_list; }
    neither of which any test drives. */
 time_t       g_now_seconds;
 volatile int g_opentracker_running;
+
+/* ot_mutex.c wakes the main loop through the self pipe when a result is
+   ready. The queue tests never get that far. */
+int  g_self_pipe[2] = {-1, -1};
+long io_trywrite(long d, const char *buf, long len) {
+  (void)d;
+  (void)buf;
+  return len;
+}
diff --git a/tests/test.h b/tests/test.h
index d79c4d2..9677524 100644
--- a/tests/test.h
+++ b/tests/test.h
@@ -86,5 +86,6 @@ void test_scan(void);
 void test_buf(void);
 void test_ip(void);
 void test_socket(void);
+void test_mutex(void);
 
 #endif
-- 
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