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Import the #'clear-string API from GNU, use it in tls.c src/ChangeLog addition: 2015-04-18 Aidan Kehoe <kehoea@parhasard.net> * sequence.c (Fclear_string): New, API from GNU. Zero a string's contents, making sure the text is not kept around even when the string's data is reallocated because of a changed character length. * sequence.c (syms_of_sequence): Make it available to Lisp. * lisp.h: Make it available to C code. * tls.c (nss_pk11_password): Use it. * tls.c (gnutls_pk11_password): Use it. * tls.c (openssl_password): Use it. tests/ChangeLog addition: 2015-04-18 Aidan Kehoe <kehoea@parhasard.net> * automated/lisp-tests.el: Test #'clear-string, just added. Unfortunately there's no way to be certain from Lisp that the old password data has been erased after realloc; it may be worth adding a test to tests.c, but *we'll be reading memory we shouldn't be*, so that gives me pause.
author Aidan Kehoe <kehoea@parhasard.net>
date Sat, 18 Apr 2015 23:00:14 +0100
parents 861f2601a38b
children
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/* s/ file for System V release 4.2.

   Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
                 2008, 2009, 2010  Free Software Foundation, Inc.
   Copyright (C) 2010 Ben Wing.

This file is part of XEmacs.

XEmacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

XEmacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with XEmacs.  If not, see <http://www.gnu.org/licenses/>.  */

/* Synced up with: FSF 23.1.92. */
/* Synced by: Ben Wing, 2-18-10. */

#include "usg5-4.h"

/* fnf@cygnus.com says these exist.  */
#define HAVE_TCATTR
/* Delete HAVE_GETWD, POSIX_SIGNALS, sigsetmask, HAVE_SYSV_SIGPAUSE --
   unused or autoconfigured in XEmacs */

/* Motif needs -lgen.  */
#undef LIBS_SYSTEM
#define LIBS_SYSTEM "-lsocket -lnsl -lelf -lgen"

/* Delete redefinition of PTY_TTY_NAME_SPRINTF, unnecessary since we
   handle signal-calling better -- XEmacs */

/* Delete NEED_LIBW, LIB_MOTIF -- unused in XEmacs */

/* arch-tag: 9bbfcfc1-19be-45a1-9699-af57b87da2c6
   (do not change this comment) */

/* XEmacs addition: */

/* XEmacs change: communicate to m/intel386.h */
#define USG5_4_2