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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 308d34e9f07d
children
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/* system description file for mingw32.
   Copyright (C) 1993, 1994, 1995, 1999 Free Software Foundation, Inc.
   Copyright (C) 2001, 2002 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/>. */

/* based on cygwin32.h by Andy Piper <andy@xemacs.org> */

/* See win32.c for info about the different Windows files in XEmacs. */

#include "win32-native.h"

#define MINGW

/* We are using Cygwin-style headers in /usr/include, also used by
   Cygwin itself */
#define CYGWIN_HEADERS

#ifndef ORDINARY_LINK
#define ORDINARY_LINK
#endif

#define C_SWITCH_SYSTEM "-mno-cygwin -fno-caller-saves -DWIN32_NATIVE -DMINGW"
#define LIBS_SYSTEM "-mno-cygwin -mwindows -lwinmm -lwsock32"
#define WIN32_LEAN_AND_MEAN

#define TEXT_START -1
#define HEAP_IN_DATA
#define UNEXEC "unexcw.o"

#define TIME_ONESHOT 0
#define TIME_PERIODIC 1
#define LOCALE_USE_CP_ACP 0x40000000
#define NSIG 23

/* this is necessary to get the TCS_* definitions in <commctrl.h> */
#define _WIN32_IE 0x0400

/* translate NT world unexec stuff to our a.out definitions */

#define strnicmp strncasecmp
/* #ifndef HAVE_SOCKETS */
#define HAVE_SOCKETS
/* #endif */
#define OBJECTS_SYSTEM nt.o ntheap.o ntproc.o dired-msw.o

#undef MAIL_USE_SYSTEM_LOCK
#define HAVE_MSW_C_DIRED

/* Do not define LOAD_AVE_TYPE or LOAD_AVE_CVT
   since there is no load average available. */

/* define MAIL_USE_FLOCK if the mailer uses flock
   to interlock access to /usr/spool/mail/$USER.
   The alternative is that a lock file named
   /usr/spool/mail/$USER.lock.  */

#ifndef NOT_C_CODE
#include <stdlib.h>
#include <../mingw/process.h>
#define mkdir __mkdir
#include <dir.h>
#undef mkdir
#ifdef HAVE_CYGWIN_VERSION_H
#include <cygwin/version.h>
#endif
#endif /* NOT_C_CODE */

#define DONT_USE_LITOUT

/* Stuff that gets set wrongly or otherwise */
#define HAVE_GETTIMEOFDAY
#define HAVE_SELECT
/* systime.h includes winsock.h which defines timeval */
#define HAVE_TIMEVAL
#define HAVE_GETPAGESIZE
#define getpagesize() 4096
#ifndef HAVE_H_ERRNO
#define HAVE_H_ERRNO
#endif
#ifndef HAVE_TZNAME
#define HAVE_TZNAME
#endif

#undef GETTIMEOFDAY_ONE_ARGUMENT
#undef HAVE_SYS_WAIT_H
#undef HAVE_TERMIOS
#undef SYSV_SYSTEM_DIR
#undef CLASH_DETECTION