Update.

13 files changed, 679 insertions, 3 deletions

diff --git a/lgl/.cvsignore b/lgl/.cvsignore
index 60fe0b4e4b..7d156a5468 100644
--- a/lgl/.cvsignore
+++ b/lgl/.cvsignore
@@ -12,3 +12,9 @@ time.h
 stdio.h
 unistd.h
 float+.h
+getdelim.c
+getdelim.h
+getline.c
+getline.h
+getpass.c
+getpass.h
diff --git a/lgl/Makefile.am b/lgl/Makefile.am
index 8a386e2e6f..af91eff90d 100644
--- a/lgl/Makefile.am
+++ b/lgl/Makefile.am
@@ -9,7 +9,7 @@
 # the same distribution terms as the rest of that program.
 #
 # Generated by gnulib-tool.
-# Reproduce by: gnulib-tool --import --dir=. --lib=liblgnu --source-base=lgl --m4-base=lgl/m4 --doc-base=doc --aux-dir=build-aux --lgpl --libtool --macro-prefix=lgl crypto/gc crypto/gc-arcfour crypto/gc-arctwo crypto/gc-des crypto/gc-hmac-md5 crypto/gc-md2 crypto/gc-md4 crypto/gc-md5 crypto/gc-pbkdf2-sha1 crypto/gc-random crypto/gc-rijndael crypto/gc-sha1 gettext memmem memmove minmax read-file snprintf socklen stdint strverscmp sys_socket sys_stat time_r unistd vasprintf
+# Reproduce by: gnulib-tool --import --dir=. --lib=liblgnu --source-base=lgl --m4-base=lgl/m4 --doc-base=doc --aux-dir=build-aux --lgpl --libtool --macro-prefix=lgl crypto/gc crypto/gc-arcfour crypto/gc-arctwo crypto/gc-des crypto/gc-hmac-md5 crypto/gc-md2 crypto/gc-md4 crypto/gc-md5 crypto/gc-pbkdf2-sha1 crypto/gc-random crypto/gc-rijndael crypto/gc-sha1 getpass gettext memmem memmove minmax read-file snprintf socklen stdint strverscmp sys_socket sys_stat time_r unistd vasprintf
 
 AUTOMAKE_OPTIONS = 1.5 gnits
 
@@ -164,6 +164,33 @@ EXTRA_liblgnu_la_SOURCES += md2.c
 
 ## end   gnulib module crypto/md2
 
+## begin gnulib module getdelim
+
+
+EXTRA_DIST += getdelim.c getdelim.h
+
+EXTRA_liblgnu_la_SOURCES += getdelim.c
+
+## end   gnulib module getdelim
+
+## begin gnulib module getline
+
+
+EXTRA_DIST += getline.c getline.h
+
+EXTRA_liblgnu_la_SOURCES += getline.c
+
+## end   gnulib module getline
+
+## begin gnulib module getpass
+
+
+EXTRA_DIST += getpass.c getpass.h
+
+EXTRA_liblgnu_la_SOURCES += getpass.c
+
+## end   gnulib module getpass
+
 ## begin gnulib module gettext
 
 # This is for those projects which use "gettextize --intl" to put a source-code
diff --git a/lgl/getdelim.c b/lgl/getdelim.c
new file mode 100644
index 0000000000..f20d0a1649
--- /dev/null
+++ b/lgl/getdelim.c
@@ -0,0 +1,126 @@
+/* getdelim.c --- Implementation of replacement getdelim function.
+   Copyright (C) 1994, 1996, 1997, 1998, 2001, 2003, 2005, 2006 Free
+   Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1, or (at
+   your option) any later version.
+
+   This program 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 Lesser General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA.  */
+
+/* Ported from glibc by Simon Josefsson. */
+
+#include <config.h>
+
+#include "getdelim.h"
+
+#include <limits.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#ifndef SIZE_MAX
+# define SIZE_MAX ((size_t) -1)
+#endif
+#ifndef SSIZE_MAX
+# define SSIZE_MAX ((ssize_t) (SIZE_MAX / 2))
+#endif
+#if !HAVE_FLOCKFILE
+# undef flockfile
+# define flockfile(x) ((void) 0)
+#endif
+#if !HAVE_FUNLOCKFILE
+# undef funlockfile
+# define funlockfile(x) ((void) 0)
+#endif
+
+/* Read up to (and including) a DELIMITER from FP into *LINEPTR (and
+   NUL-terminate it).  *LINEPTR is a pointer returned from malloc (or
+   NULL), pointing to *N characters of space.  It is realloc'ed as
+   necessary.  Returns the number of characters read (not including
+   the null terminator), or -1 on error or EOF.  */
+
+ssize_t
+getdelim (char **lineptr, size_t *n, int delimiter, FILE *fp)
+{
+  ssize_t result;
+  size_t cur_len = 0;
+
+  if (lineptr == NULL || n == NULL || fp == NULL)
+    {
+      errno = EINVAL;
+      return -1;
+    }
+
+  flockfile (fp);
+
+  if (*lineptr == NULL || *n == 0)
+    {
+      *n = 120;
+      *lineptr = (char *) malloc (*n);
+      if (*lineptr == NULL)
+	{
+	  result = -1;
+	  goto unlock_return;
+	}
+    }
+
+  for (;;)
+    {
+      int i;
+
+      i = getc (fp);
+      if (i == EOF)
+	{
+	  result = -1;
+	  break;
+	}
+
+      /* Make enough space for len+1 (for final NUL) bytes.  */
+      if (cur_len + 1 >= *n)
+	{
+	  size_t needed_max =
+	    SSIZE_MAX < SIZE_MAX ? (size_t) SSIZE_MAX + 1 : SIZE_MAX;
+	  size_t needed = 2 * *n + 1;   /* Be generous. */
+	  char *new_lineptr;
+
+	  if (needed_max < needed)
+	    needed = needed_max;
+	  if (cur_len + 1 >= needed)
+	    {
+	      result = -1;
+	      goto unlock_return;
+	    }
+
+	  new_lineptr = (char *) realloc (*lineptr, needed);
+	  if (new_lineptr == NULL)
+	    {
+	      result = -1;
+	      goto unlock_return;
+	    }
+
+	  *lineptr = new_lineptr;
+	  *n = needed;
+	}
+
+      (*lineptr)[cur_len] = i;
+      cur_len++;
+
+      if (i == delimiter)
+	break;
+    }
+  (*lineptr)[cur_len] = '\0';
+  result = cur_len ? cur_len : result;
+
+ unlock_return:
+  funlockfile (fp);
+  return result;
+}
diff --git a/lgl/getdelim.h b/lgl/getdelim.h
new file mode 100644
index 0000000000..9e6c931295
--- /dev/null
+++ b/lgl/getdelim.h
@@ -0,0 +1,28 @@
+/* getdelim.h --- Prototype for replacement getdelim function.
+   Copyright (C) 2005 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1, or (at
+   your option) any later version.
+
+   This program 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 Lesser General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA.  */
+
+/* Written by Simon Josefsson. */
+
+/* Get size_t, FILE, ssize_t.  And getdelim, if available.  */
+# include <stddef.h>
+# include <stdio.h>
+# include <sys/types.h>
+
+#if !HAVE_DECL_GETDELIM
+ssize_t getdelim (char **lineptr, size_t *n, int delimiter, FILE *stream);
+#endif /* !HAVE_GETDELIM */
diff --git a/lgl/getline.c b/lgl/getline.c
new file mode 100644
index 0000000000..2185e96152
--- /dev/null
+++ b/lgl/getline.c
@@ -0,0 +1,30 @@
+/* getline.c --- Implementation of replacement getline function.
+   Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1, or (at
+   your option) any later version.
+
+   This program 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 Lesser General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA.  */
+
+/* Written by Simon Josefsson. */
+
+#include <config.h>
+
+#include "getdelim.h"
+#include "getline.h"
+
+ssize_t
+getline (char **lineptr, size_t *n, FILE *stream)
+{
+  return getdelim (lineptr, n, '\n', stream);
+}
diff --git a/lgl/getline.h b/lgl/getline.h
new file mode 100644
index 0000000000..d58df19457
--- /dev/null
+++ b/lgl/getline.h
@@ -0,0 +1,28 @@
+/* getline.h --- Prototype for replacement getline function.
+   Copyright (C) 2005 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1, or (at
+   your option) any later version.
+
+   This program 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 Lesser General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA.  */
+
+/* Written by Simon Josefsson. */
+
+/* Get size_t, FILE, ssize_t.  And getline, if available.  */
+# include <stddef.h>
+# include <stdio.h>
+# include <sys/types.h>
+
+#if !HAVE_DECL_GETLINE
+ssize_t getline (char **lineptr, size_t *n, FILE *stream);
+#endif /* !HAVE_GETLINE */
diff --git a/lgl/getpass.c b/lgl/getpass.c
new file mode 100644
index 0000000000..394f03cc7d
--- /dev/null
+++ b/lgl/getpass.c
@@ -0,0 +1,233 @@
+/* Copyright (C) 1992-2001, 2003, 2004, 2005, 2006 Free Software
+   Foundation, Inc.
+
+   This file is part of the GNU C Library.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as published by
+   the Free Software Foundation; either version 2.1, or (at your option)
+   any later version.
+
+   This program 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 Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License along
+   with this program; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+#ifndef _LIBC
+# include <config.h>
+#endif
+
+#include "getpass.h"
+
+#include <stdio.h>
+
+#if !((defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__)
+
+#include <stdbool.h>
+
+#if HAVE_DECL___FSETLOCKING && HAVE___FSETLOCKING
+# if HAVE_STDIO_EXT_H
+#  include <stdio_ext.h>
+# endif
+#else
+# define __fsetlocking(stream, type)	/* empty */
+#endif
+
+#if HAVE_TERMIOS_H
+# include <termios.h>
+#endif
+
+#include "getline.h"
+
+#if USE_UNLOCKED_IO
+# include "unlocked-io.h"
+#else
+# if !HAVE_DECL_FFLUSH_UNLOCKED
+#  undef fflush_unlocked
+#  define fflush_unlocked(x) fflush (x)
+# endif
+# if !HAVE_DECL_FLOCKFILE
+#  undef flockfile
+#  define flockfile(x) ((void) 0)
+# endif
+# if !HAVE_DECL_FUNLOCKFILE
+#  undef funlockfile
+#  define funlockfile(x) ((void) 0)
+# endif
+# if !HAVE_DECL_FPUTS_UNLOCKED
+#  undef fputs_unlocked
+#  define fputs_unlocked(str,stream) fputs (str, stream)
+# endif
+# if !HAVE_DECL_PUTC_UNLOCKED
+#  undef putc_unlocked
+#  define putc_unlocked(c,stream) putc (c, stream)
+# endif
+#endif
+
+/* It is desirable to use this bit on systems that have it.
+   The only bit of terminal state we want to twiddle is echoing, which is
+   done in software; there is no need to change the state of the terminal
+   hardware.  */
+
+#ifndef TCSASOFT
+# define TCSASOFT 0
+#endif
+
+static void
+call_fclose (void *arg)
+{
+  if (arg != NULL)
+    fclose (arg);
+}
+
+char *
+getpass (const char *prompt)
+{
+  FILE *tty;
+  FILE *in, *out;
+  struct termios s, t;
+  bool tty_changed = false;
+  static char *buf;
+  static size_t bufsize;
+  ssize_t nread;
+
+  /* Try to write to and read from the terminal if we can.
+     If we can't open the terminal, use stderr and stdin.  */
+
+  tty = fopen ("/dev/tty", "w+");
+  if (tty == NULL)
+    {
+      in = stdin;
+      out = stderr;
+    }
+  else
+    {
+      /* We do the locking ourselves.  */
+      __fsetlocking (tty, FSETLOCKING_BYCALLER);
+
+      out = in = tty;
+    }
+
+  flockfile (out);
+
+  /* Turn echoing off if it is on now.  */
+#if HAVE_TCGETATTR
+  if (tcgetattr (fileno (in), &t) == 0)
+    {
+      /* Save the old one. */
+      s = t;
+      /* Tricky, tricky. */
+      t.c_lflag &= ~(ECHO | ISIG);
+      tty_changed = (tcsetattr (fileno (in), TCSAFLUSH | TCSASOFT, &t) == 0);
+    }
+#endif
+
+  /* Write the prompt.  */
+  fputs_unlocked (prompt, out);
+  fflush_unlocked (out);
+
+  /* Read the password.  */
+  nread = getline (&buf, &bufsize, in);
+
+  /* According to the C standard, input may not be followed by output
+     on the same stream without an intervening call to a file
+     positioning function.  Suppose in == out; then without this fseek
+     call, on Solaris, HP-UX, AIX, OSF/1, the previous input gets
+     echoed, whereas on IRIX, the following newline is not output as
+     it should be.  POSIX imposes similar restrictions if fileno (in)
+     == fileno (out).  The POSIX restrictions are tricky and change
+     from POSIX version to POSIX version, so play it safe and invoke
+     fseek even if in != out.  */
+  fseek (out, 0, SEEK_CUR);
+
+  if (buf != NULL)
+    {
+      if (nread < 0)
+	buf[0] = '\0';
+      else if (buf[nread - 1] == '\n')
+	{
+	  /* Remove the newline.  */
+	  buf[nread - 1] = '\0';
+	  if (tty_changed)
+	    {
+	      /* Write the newline that was not echoed.  */
+	      putc_unlocked ('\n', out);
+	    }
+	}
+    }
+
+  /* Restore the original setting.  */
+#if HAVE_TCSETATTR
+  if (tty_changed)
+    tcsetattr (fileno (in), TCSAFLUSH | TCSASOFT, &s);
+#endif
+
+  funlockfile (out);
+
+  call_fclose (tty);
+
+  return buf;
+}
+
+#else /* W32 native */
+
+/* Windows implementation by Martin Lambers <marlam@marlam.de>,
+   improved by Simon Josefsson. */
+
+/* For PASS_MAX. */
+#include <limits.h>
+/* For _getch(). */
+#include <conio.h>
+/* For strdup(). */
+#include <string.h>
+
+#ifndef PASS_MAX
+# define PASS_MAX 512
+#endif
+
+char *
+getpass (const char *prompt)
+{
+  char getpassbuf[PASS_MAX + 1];
+  size_t i = 0;
+  int c;
+
+  if (prompt)
+    {
+      fputs (prompt, stderr);
+      fflush (stderr);
+    }
+
+  for (;;)
+    {
+      c = _getch ();
+      if (c == '\r')
+	{
+	  getpassbuf[i] = '\0';
+	  break;
+	}
+      else if (i < PASS_MAX)
+	{
+	  getpassbuf[i++] = c;
+	}
+
+      if (i >= PASS_MAX)
+	{
+	  getpassbuf[i] = '\0';
+	  break;
+	}
+    }
+
+  if (prompt)
+    {
+      fputs ("\r\n", stderr);
+      fflush (stderr);
+    }
+
+  return strdup (getpassbuf);
+}
+#endif
diff --git a/lgl/getpass.h b/lgl/getpass.h
new file mode 100644
index 0000000000..a8c392b30d
--- /dev/null
+++ b/lgl/getpass.h
@@ -0,0 +1,31 @@
+/* getpass.h -- Read a password of arbitrary length from /dev/tty or stdin.
+   Copyright (C) 2004 Free Software Foundation, Inc.
+   Contributed by Simon Josefsson <jas@extundo.com>, 2004.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as published by
+   the Free Software Foundation; either version 2.1, or (at your option)
+   any later version.
+
+   This program 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 Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+#ifndef GETPASS_H
+# define GETPASS_H
+
+/* Get getpass declaration, if available.  */
+# include <unistd.h>
+
+# if defined HAVE_DECL_GETPASS && !HAVE_DECL_GETPASS
+/* Read a password of arbitrary length from /dev/tty or stdin.  */
+char *getpass (const char *prompt);
+
+# endif
+
+#endif /* GETPASS_H */
diff --git a/lgl/m4/getdelim.m4 b/lgl/m4/getdelim.m4
new file mode 100644
index 0000000000..2a738f680a
--- /dev/null
+++ b/lgl/m4/getdelim.m4
@@ -0,0 +1,29 @@
+# getdelim.m4 serial 2
+
+dnl Copyright (C) 2005, 2006 Free Software dnl Foundation, Inc.
+dnl
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_PREREQ(2.52)
+
+AC_DEFUN([gl_FUNC_GETDELIM],
+[
+
+  dnl Persuade glibc <stdio.h> to declare getdelim().
+  AC_REQUIRE([AC_GNU_SOURCE])
+
+  AC_REPLACE_FUNCS(getdelim)
+  AC_CHECK_DECLS_ONCE(getdelim)
+
+  if test $ac_cv_func_getdelim = no; then
+    gl_PREREQ_GETDELIM
+  fi
+])
+
+# Prerequisites of lib/getdelim.c.
+AC_DEFUN([gl_PREREQ_GETDELIM],
+[
+  AC_CHECK_FUNCS([flockfile funlockfile])
+])
diff --git a/lgl/m4/getline.m4 b/lgl/m4/getline.m4
new file mode 100644
index 0000000000..5b55c3045b
--- /dev/null
+++ b/lgl/m4/getline.m4
@@ -0,0 +1,79 @@
+# getline.m4 serial 15
+
+dnl Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2006 Free Software
+dnl Foundation, Inc.
+dnl
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_PREREQ(2.52)
+
+dnl See if there's a working, system-supplied version of the getline function.
+dnl We can't just do AC_REPLACE_FUNCS(getline) because some systems
+dnl have a function by that name in -linet that doesn't have anything
+dnl to do with the function we need.
+AC_DEFUN([gl_FUNC_GETLINE],
+[
+  dnl Persuade glibc <stdio.h> to declare getline().
+  AC_REQUIRE([AC_GNU_SOURCE])
+
+  AC_CHECK_DECLS([getline])
+
+  gl_getline_needs_run_time_check=no
+  AC_CHECK_FUNC(getline,
+		dnl Found it in some library.  Verify that it works.
+		gl_getline_needs_run_time_check=yes,
+		am_cv_func_working_getline=no)
+  if test $gl_getline_needs_run_time_check = yes; then
+    AC_CACHE_CHECK([for working getline function], am_cv_func_working_getline,
+    [echo fooN |tr -d '\012'|tr N '\012' > conftest.data
+    AC_TRY_RUN([
+#    include <stdio.h>
+#    include <stdlib.h>
+#    include <string.h>
+    int main ()
+    { /* Based on a test program from Karl Heuer.  */
+      char *line = NULL;
+      size_t siz = 0;
+      int len;
+      FILE *in = fopen ("./conftest.data", "r");
+      if (!in)
+	return 1;
+      len = getline (&line, &siz, in);
+      exit ((len == 4 && line && strcmp (line, "foo\n") == 0) ? 0 : 1);
+    }
+    ], am_cv_func_working_getline=yes dnl The library version works.
+    , am_cv_func_working_getline=no dnl The library version does NOT work.
+    , dnl We're cross compiling. Assume it works on glibc2 systems.
+      [AC_EGREP_CPP([Lucky GNU user],
+         [
+#include <features.h>
+#ifdef __GNU_LIBRARY__
+ #if (__GLIBC__ >= 2)
+  Lucky GNU user
+ #endif
+#endif
+         ],
+         [am_cv_func_working_getline=yes],
+         [am_cv_func_working_getline=no])]
+    )])
+  fi
+
+  if test $am_cv_func_working_getline = no; then
+    dnl We must choose a different name for our function, since on ELF systems
+    dnl a broken getline() in libc.so would override our getline() in
+    dnl libgettextlib.so.
+    AC_DEFINE([getline], [gnu_getline],
+      [Define to a replacement function name for getline().])
+    AC_LIBOBJ(getline)
+
+    gl_PREREQ_GETLINE
+  fi
+])
+
+# Prerequisites of lib/getline.c.
+AC_DEFUN([gl_PREREQ_GETLINE],
+[
+  gl_FUNC_GETDELIM
+])
diff --git a/lgl/m4/getpass.m4 b/lgl/m4/getpass.m4
new file mode 100644
index 0000000000..54348ce7c7
--- /dev/null
+++ b/lgl/m4/getpass.m4
@@ -0,0 +1,47 @@
+# getpass.m4 serial 10
+dnl Copyright (C) 2002-2003, 2005-2006 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+# Provide a getpass() function if the system doesn't have it.
+AC_DEFUN([gl_FUNC_GETPASS],
+[
+  AC_REPLACE_FUNCS(getpass)
+  AC_CHECK_DECLS_ONCE(getpass)
+  if test $ac_cv_func_getpass = no; then
+    gl_PREREQ_GETPASS
+  fi
+])
+
+# Provide the GNU getpass() implementation. It supports passwords of
+# arbitrary length (not just 8 bytes as on HP-UX).
+AC_DEFUN([gl_FUNC_GETPASS_GNU],
+[
+  AC_CHECK_DECLS_ONCE(getpass)
+  dnl TODO: Detect when GNU getpass() is already found in glibc.
+  AC_LIBOBJ(getpass)
+  gl_PREREQ_GETPASS
+  dnl We must choose a different name for our function, since on ELF systems
+  dnl an unusable getpass() in libc.so would override our getpass() if it is
+  dnl compiled into a shared library.
+  AC_DEFINE([getpass], [gnu_getpass],
+    [Define to a replacement function name for getpass().])
+])
+
+# Prerequisites of lib/getpass.c.
+AC_DEFUN([gl_PREREQ_GETPASS], [
+  AC_CHECK_HEADERS_ONCE(stdio_ext.h termios.h)
+  AC_CHECK_FUNCS_ONCE(__fsetlocking tcgetattr tcsetattr)
+  AC_CHECK_DECLS([__fsetlocking],,,
+    [#include <stdio.h>
+     #if HAVE_STDIO_EXT_H
+      #include <stdio_ext.h>
+     #endif])
+  AC_CHECK_DECLS_ONCE([fflush_unlocked])
+  AC_CHECK_DECLS_ONCE([flockfile])
+  AC_CHECK_DECLS_ONCE([fputs_unlocked])
+  AC_CHECK_DECLS_ONCE([funlockfile])
+  AC_CHECK_DECLS_ONCE([putc_unlocked])
+  :
+])
diff --git a/lgl/m4/gnulib-cache.m4 b/lgl/m4/gnulib-cache.m4
index d6f13537ba..8ec811a26f 100644
--- a/lgl/m4/gnulib-cache.m4
+++ b/lgl/m4/gnulib-cache.m4
@@ -15,11 +15,11 @@
 
 
 # Specification in the form of a command-line invocation:
-#   gnulib-tool --import --dir=. --lib=liblgnu --source-base=lgl --m4-base=lgl/m4 --doc-base=doc --aux-dir=build-aux --lgpl --libtool --macro-prefix=lgl crypto/gc crypto/gc-arcfour crypto/gc-arctwo crypto/gc-des crypto/gc-hmac-md5 crypto/gc-md2 crypto/gc-md4 crypto/gc-md5 crypto/gc-pbkdf2-sha1 crypto/gc-random crypto/gc-rijndael crypto/gc-sha1 gettext memmem memmove minmax read-file snprintf socklen stdint strverscmp sys_socket sys_stat time_r unistd vasprintf
+#   gnulib-tool --import --dir=. --lib=liblgnu --source-base=lgl --m4-base=lgl/m4 --doc-base=doc --aux-dir=build-aux --lgpl --libtool --macro-prefix=lgl crypto/gc crypto/gc-arcfour crypto/gc-arctwo crypto/gc-des crypto/gc-hmac-md5 crypto/gc-md2 crypto/gc-md4 crypto/gc-md5 crypto/gc-pbkdf2-sha1 crypto/gc-random crypto/gc-rijndael crypto/gc-sha1 getpass gettext memmem memmove minmax read-file snprintf socklen stdint strverscmp sys_socket sys_stat time_r unistd vasprintf
 
 # Specification in the form of a few gnulib-tool.m4 macro invocations:
 gl_LOCAL_DIR([])
-gl_MODULES([crypto/gc crypto/gc-arcfour crypto/gc-arctwo crypto/gc-des crypto/gc-hmac-md5 crypto/gc-md2 crypto/gc-md4 crypto/gc-md5 crypto/gc-pbkdf2-sha1 crypto/gc-random crypto/gc-rijndael crypto/gc-sha1 gettext memmem memmove minmax read-file snprintf socklen stdint strverscmp sys_socket sys_stat time_r unistd vasprintf])
+gl_MODULES([crypto/gc crypto/gc-arcfour crypto/gc-arctwo crypto/gc-des crypto/gc-hmac-md5 crypto/gc-md2 crypto/gc-md4 crypto/gc-md5 crypto/gc-pbkdf2-sha1 crypto/gc-random crypto/gc-rijndael crypto/gc-sha1 getpass gettext memmem memmove minmax read-file snprintf socklen stdint strverscmp sys_socket sys_stat time_r unistd vasprintf])
 gl_AVOID([])
 gl_SOURCE_BASE([lgl])
 gl_M4_BASE([lgl/m4])
diff --git a/lgl/m4/gnulib-comp.m4 b/lgl/m4/gnulib-comp.m4
index 282749e409..633661af65 100644
--- a/lgl/m4/gnulib-comp.m4
+++ b/lgl/m4/gnulib-comp.m4
@@ -69,6 +69,9 @@ AC_DEFUN([lgl_INIT],
   gl_GC_SHA1
   gl_MODULE_INDICATOR([gc-sha1])
   gl_MD2
+  gl_FUNC_GETDELIM
+  gl_FUNC_GETLINE
+  gl_FUNC_GETPASS
   dnl you must add AM_GNU_GETTEXT([external]) or similar to configure.ac.
   AM_GNU_GETTEXT_VERSION([0.16.1])
   gl_FUNC_MEMMEM
@@ -151,6 +154,12 @@ AC_DEFUN([lgl_FILE_LIST], [
   lib/gc-libgcrypt.c
   lib/gc-pbkdf2-sha1.c
   lib/gc.h
+  lib/getdelim.c
+  lib/getdelim.h
+  lib/getline.c
+  lib/getline.h
+  lib/getpass.c
+  lib/getpass.h
   lib/gettext.h
   lib/hmac-md5.c
   lib/hmac-sha1.c
@@ -217,6 +226,9 @@ AC_DEFUN([lgl_FILE_LIST], [
   m4/gc-rijndael.m4
   m4/gc-sha1.m4
   m4/gc.m4
+  m4/getdelim.m4
+  m4/getline.m4
+  m4/getpass.m4
   m4/gettext.m4
   m4/glibc2.m4
   m4/glibc21.m4