$OpenBSD: patch-src_iodbc_connect_c,v 1.1.1.1 2004/07/16 21:01:35 todd Exp $
--- src/iodbc/connect.c.orig	Fri Jan 21 00:19:20 2000
+++ src/iodbc/connect.c	Tue Apr 29 17:56:57 2003
@@ -841,18 +841,15 @@ SQLDriverConnect (
 	   dsn = "default";
 	 }
 
-       if (cbConnStrIn > sizeof (cnstr2drv)
-	   - STRLEN (dsn) - STRLEN ("DSN=;") - 1)
+       if (snprintf ((char*)cnstr2drv, sizeof(cnstr2drv), "DSN=%s;%s", dsn, szConnStrIn) >= sizeof(cnstr2drv)) {
 	 {
 	   sqlstat = en_S1001;	/* a lazy way to avoid
 				 * using heap memory */
 	   break;
 	 }
 
-       sprintf ((char*)cnstr2drv, "DSN=%s;", dsn);
-       cbConnStrIn += STRLEN (cnstr2drv);
-       STRNCAT (cnstr2drv, szConnStrIn, cbConnStrIn);
        szConnStrIn = cnstr2drv;
+       cbConnStrIn = STRLEN (szConnStrIn);
        break;
 
      default: