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-rw-r--r--src/shared/wall.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/src/shared/wall.h b/src/shared/wall.h
new file mode 100644
index 0000000..2964277
--- /dev/null
+++ b/src/shared/wall.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <stdbool.h>
+
+#if ENABLE_UTMP || ENABLE_LOGIND
+
+int wall(
+ const char *message,
+ const char *username,
+ const char *origin_tty,
+ bool (*match_tty)(const char *tty, bool is_local, void *userdata),
+ void *userdata);
+
+#else
+
+static inline int wall(
+ const char *message,
+ const char *username,
+ const char *origin_tty,
+ bool (*match_tty)(const char *tty, bool is_local, void *userdata),
+ void *userdata) {
+
+ return 0;
+}
+
+#endif