Force nul-termination of strings after vsnprintf().

[tinc] / src / logger.c

diff --git a/src/logger.c b/src/logger.c
index 6765cc5..e0e6bca 100644 (file)
--- a/src/logger.c
+++ b/src/logger.c
@@ -109,6 +109,7 @@ void logger(int priority, const char *format, ...) {
                                char message[4096];
                                const char *messages[] = {message};
                                vsnprintf(message, sizeof(message), format, ap);
+                               message[sizeof message - 1] = 0;
                                ReportEvent(loghandle, priority, 0, 0, NULL, 1, 0, messages, NULL);
                        }
 #else