1 files changed, 36 insertions, 0 deletions
diff --git a/maildrop/deliverdotlock.C b/maildrop/deliverdotlock.C
new file mode 100644
index 0000000..47a1985
--- /dev/null
+++ b/maildrop/deliverdotlock.C
@@ -0,0 +1,36 @@
+#include "config.h"
+#include	"deliverdotlock.h"
+#include	<stdlib.h>
+#if	HAVE_UNISTD_H
+#include	<unistd.h>
+#endif
+
+
+void DeliverDotLock::cleanup()
+{
+	truncate();
+	DotLock::cleanup();
+}
+
+DeliverDotLock::DeliverDotLock() : truncate_fd(-1), truncate_size(0)
+{
+	constructed();
+}
+
+DeliverDotLock::~DeliverDotLock()
+{
+	destroying();
+}
+
+void DeliverDotLock::truncate()
+{
+	if (truncate_fd >= 0 &&
+		ftruncate(truncate_fd, truncate_size) < 0)
+	{
+		static const char msg[]="Unable to truncate mailbox.\n";
+
+		if (write(2, msg, sizeof(msg)-1) < 0)
+			; /* Ignore */
+	}
+	truncate_fd= -1;
+}