From 66fb589680db241e916b7f7f43d9e6058dcdb571 Mon Sep 17 00:00:00 2001
From: Simon Ruderich <simon@ruderich.org>
Date: Mon, 3 Jun 2013 04:32:12 +0200
Subject: [PATCH] debug.h: Handle overflow in debug().

---
 src/debug.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/debug.h b/src/debug.h
index 6456898..4dab03c 100644
--- a/src/debug.h
+++ b/src/debug.h
@@ -33,6 +33,10 @@ static void debug(const char *format, ...) {
     va_start(ap, format);
     int written = vsnprintf(buffer, sizeof(buffer), format, ap);
     va_end(ap);
+    /* Overflow. */
+    if ((size_t)written >= sizeof(buffer)) {
+        written = sizeof(buffer) - 1;
+    }
 
     /* Make sure these functions are loaded. */
     DLSYM_FUNCTION(real_write, "write");
-- 
2.45.2