X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/3938499711227354698c84c7d5b36b8c606ea3c3..57046465d3de05a21fb9a6e540ba064f2ed70010:/windows.c

diff --git a/windows.c b/windows.c
index 2f1a6f0..82767e4 100644
--- a/windows.c
+++ b/windows.c
@@ -84,7 +84,7 @@ void debug_printf(char *fmt, ...)
     va_list ap;
 
     va_start(ap, fmt);
-    vsprintf(buf, fmt, ap);
+    _vsnprintf(buf, 4095, fmt, ap);
     dputs(buf);
     va_end(ap);
 }