sd-bus: Add sd_bus_message_open/close/enter/exit_container docs
diff --git a/man/sd-bus-container-append.c b/man/sd-bus-container-append.c
new file mode 100644
index 0000000..e350ea0
--- /dev/null
+++ b/man/sd-bus-container-append.c
@@ -0,0 +1,17 @@
+#include <systemd/sd-bus.h>
+
+int append_strings_to_message(sd_bus_message *m, const char *const *arr) {
+ int r;
+
+ r = sd_bus_message_open_container(m, 'a', "s");
+ if (r < 0)
+ return r;
+
+ for (const char *s = *arr; *s; s++) {
+ r = sd_bus_message_append(m, "s", s);
+ if (r < 0)
+ return r;
+ }
+
+ return sd_bus_message_close_container(m);
+}