fix log buffer overflow handling

diff --git a/main.c b/main.c
index 2d8e46b..3fe38bf 100644 (file)
--- a/main.c
+++ b/main.c
@@ -116,7 +116,7 @@ retry:
        }
 
        if (buf > proc->log_buf && len > 0)
-               memmove(buf, proc->log_buf, len);
+               memmove(proc->log_buf, buf, len);
 
        if (len == LOG_BUF_SIZE) {
                if (!proc->log_overflow) {