$OpenBSD: patch-gnats_headers_c,v 1.1 2003/08/25 23:35:06 brad Exp $
--- gnats/headers.c.orig	Thu Nov  5 12:54:10 1998
+++ gnats/headers.c	Wed Jul  2 13:23:13 2003
@@ -62,17 +62,18 @@ set_continued_header (i, buf)
      char *buf;
 {
   char *b;
+  size_t len;
 
   if (header[i].value != NULL)
     {
       if (keep_rec && i == RECEIVED)
 	{
-	  b = (char *) xmalloc (strlen (header[i].value) + 10
-				+ strlen (buf) + 1);
+	  len = strlen (header[i].value) + 10 + strlen (buf) + 1;
+	  b = (char *) xmalloc (len);
 	  if (*buf == ' ')
-	    sprintf (b, "%sReceived:%s", header[i].value, buf);
+	    snprintf (b, len, "%sReceived:%s", header[i].value, buf);
 	  else
-	    sprintf (b, "%sReceived: %s", header[i].value, buf);
+	    snprintf (b, len, "%sReceived: %s", header[i].value, buf);
 	  xfree (header[i].value);
 	  xfree (buf);
 	  header[i].value = b;