Updated by gnulib-sync

7 files changed, 1013 insertions, 785 deletions

diff --git a/lib/error.h b/lib/error.h
index 1f6817180..8ed63595f 100644
--- a/lib/error.h
+++ b/lib/error.h
@@ -1,12 +1,9 @@
 /* Declaration for error-reporting function
-   Copyright (C) 1995, 1996, 1997, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996, 1997, 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
 
-
-   NOTE: The canonical source of this file is maintained with the GNU C Library.
-   Bugs can be reported to bug-glibc@prep.ai.mit.edu.
-
-   This program 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 2, or (at your option) any
-   later version.
+   This program 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 2, or (at your option)
+   any later version.
 
@@ -17,6 +14,5 @@
 
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-   USA.  */
+   You should have received a copy of the GNU General Public License along
+   with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
@@ -27,3 +23,3 @@
 /* This feature is available in gcc versions 2.5 and later.  */
-# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
 #  define __attribute__(Spec) /* empty */
@@ -42,4 +38,2 @@ extern "C" {
 
-#if defined (__STDC__) && __STDC__
-
 /* Print a message with `fprintf (stderr, FORMAT, ...)';
@@ -48,7 +42,7 @@ extern "C" {
 
-extern void error (int status, int errnum, const char *format, ...)
+extern void error (int __status, int __errnum, const char *__format, ...)
      __attribute__ ((__format__ (__printf__, 3, 4)));
 
-extern void error_at_line (int status, int errnum, const char *fname,
-			   unsigned int lineno, const char *format, ...)
+extern void error_at_line (int __status, int __errnum, const char *__fname,
+			   unsigned int __lineno, const char *__format, ...)
      __attribute__ ((__format__ (__printf__, 5, 6)));
@@ -60,8 +54,2 @@ extern void (*error_print_progname) (void);
 
-#else
-void error ();
-void error_at_line ();
-extern void (*error_print_progname) ();
-#endif
-
 /* This variable is incremented each time `error' is called.  */
diff --git a/lib/fnmatch.c b/lib/fnmatch.c
index 9bff8c220..011a14503 100644
--- a/lib/fnmatch.c
+++ b/lib/fnmatch.c
@@ -1,2 +1,3 @@
-/* Copyright 1991, 1992, 1993, 1996, 1997, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1991,1992,1993,1996,1997,1998,1999,2000,2001,2002,2003,2004
+	Free Software Foundation, Inc.
 
@@ -12,5 +13,5 @@
 
-  You should have received a copy of the GNU General Public License
-  along with this program; if not, write to the Free Software Foundation,
-  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
@@ -25,206 +26,361 @@
 
-#include <errno.h>
+#if ! defined __builtin_expect && __GNUC__ < 3
+# define __builtin_expect(expr, expected) (expr)
+#endif
+
 #include <fnmatch.h>
-#include <ctype.h>
 
-#if defined STDC_HEADERS || !defined isascii
-# define IN_CTYPE_DOMAIN(c) 1
-#else
-# define IN_CTYPE_DOMAIN(c) isascii (c)
+#include <alloca.h>
+#include <assert.h>
+#include <ctype.h>
+#include <errno.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define WIDE_CHAR_SUPPORT \
+  (HAVE_WCTYPE_H && HAVE_WCHAR_H && HAVE_BTOWC \
+   && HAVE_WMEMCHR && (HAVE_WMEMCPY || HAVE_WMEMPCPY))
+
+/* For platform which support the ISO C amendement 1 functionality we
+   support user defined character classes.  */
+#if defined _LIBC || WIDE_CHAR_SUPPORT
+/* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>.  */
+# include <wchar.h>
+# include <wctype.h>
 #endif
 
-#define ISUPPER(c) (IN_CTYPE_DOMAIN (c) && isupper (c))
-
+/* We need some of the locale data (the collation sequence information)
+   but there is no interface to get this information in general.  Therefore
+   we support a correct implementation only in glibc.  */
+#ifdef _LIBC
+# include "../locale/localeinfo.h"
+# include "../locale/elem-hash.h"
+# include "../locale/coll-lookup.h"
+# include <shlib-compat.h>
+
+# define CONCAT(a,b) __CONCAT(a,b)
+# define mbsrtowcs __mbsrtowcs
+# define fnmatch __fnmatch
+extern int fnmatch (const char *pattern, const char *string, int flags);
+#endif
 
-#ifndef errno
-extern int errno;
+#ifndef SIZE_MAX
+# define SIZE_MAX ((size_t) -1)
 #endif
 
-/* Match STRING against the filename pattern PATTERN, returning zero if
-   it matches, nonzero if not.  */
-int
-fnmatch (const char *pattern, const char *string, int flags)
-{
-  register const char *p = pattern, *n = string;
-  register char c;
+/* We often have to test for FNM_FILE_NAME and FNM_PERIOD being both set.  */
+#define NO_LEADING_PERIOD(flags) \
+  ((flags & (FNM_FILE_NAME | FNM_PERIOD)) == (FNM_FILE_NAME | FNM_PERIOD))
+
+/* Comment out all this code if we are using the GNU C Library, and are not
+   actually compiling the library itself, and have not detected a bug
+   in the library.  This code is part of the GNU C
+   Library, but also included in many other GNU distributions.  Compiling
+   and linking in this code is a waste when using the GNU C library
+   (especially if it is a shared library).  Rather than having every GNU
+   program understand `configure --with-gnu-libc' and omit the object files,
+   it is simpler to just do this in the source for each such file.  */
+
+#if defined _LIBC || !defined __GNU_LIBRARY__ || !HAVE_FNMATCH_GNU
+
+
+# if defined STDC_HEADERS || !defined isascii
+#  define ISASCII(c) 1
+# else
+#  define ISASCII(c) isascii(c)
+# endif
+
+# ifdef isblank
+#  define ISBLANK(c) (ISASCII (c) && isblank (c))
+# else
+#  define ISBLANK(c) ((c) == ' ' || (c) == '\t')
+# endif
+# ifdef isgraph
+#  define ISGRAPH(c) (ISASCII (c) && isgraph (c))
+# else
+#  define ISGRAPH(c) (ISASCII (c) && isprint (c) && !isspace (c))
+# endif
+
+# define ISPRINT(c) (ISASCII (c) && isprint (c))
+# define ISDIGIT(c) (ISASCII (c) && isdigit (c))
+# define ISALNUM(c) (ISASCII (c) && isalnum (c))
+# define ISALPHA(c) (ISASCII (c) && isalpha (c))
+# define ISCNTRL(c) (ISASCII (c) && iscntrl (c))
+# define ISLOWER(c) (ISASCII (c) && islower (c))
+# define ISPUNCT(c) (ISASCII (c) && ispunct (c))
+# define ISSPACE(c) (ISASCII (c) && isspace (c))
+# define ISUPPER(c) (ISASCII (c) && isupper (c))
+# define ISXDIGIT(c) (ISASCII (c) && isxdigit (c))
+
+# define STREQ(s1, s2) ((strcmp (s1, s2) == 0))
+
+# if defined _LIBC || WIDE_CHAR_SUPPORT
+/* The GNU C library provides support for user-defined character classes
+   and the functions from ISO C amendement 1.  */
+#  ifdef CHARCLASS_NAME_MAX
+#   define CHAR_CLASS_MAX_LENGTH CHARCLASS_NAME_MAX
+#  else
+/* This shouldn't happen but some implementation might still have this
+   problem.  Use a reasonable default value.  */
+#   define CHAR_CLASS_MAX_LENGTH 256
+#  endif
+
+#  ifdef _LIBC
+#   define IS_CHAR_CLASS(string) __wctype (string)
+#  else
+#   define IS_CHAR_CLASS(string) wctype (string)
+#  endif
+
+#  ifdef _LIBC
+#   define ISWCTYPE(WC, WT)	__iswctype (WC, WT)
+#  else
+#   define ISWCTYPE(WC, WT)	iswctype (WC, WT)
+#  endif
+
+#  if (HAVE_MBSTATE_T && HAVE_MBSRTOWCS) || _LIBC
+/* In this case we are implementing the multibyte character handling.  */
+#   define HANDLE_MULTIBYTE	1
+#  endif
+
+# else
+#  define CHAR_CLASS_MAX_LENGTH  6 /* Namely, `xdigit'.  */
+
+#  define IS_CHAR_CLASS(string)						      \
+   (STREQ (string, "alpha") || STREQ (string, "upper")			      \
+    || STREQ (string, "lower") || STREQ (string, "digit")		      \
+    || STREQ (string, "alnum") || STREQ (string, "xdigit")		      \
+    || STREQ (string, "space") || STREQ (string, "print")		      \
+    || STREQ (string, "punct") || STREQ (string, "graph")		      \
+    || STREQ (string, "cntrl") || STREQ (string, "blank"))
+# endif
+
+/* Avoid depending on library functions or files
+   whose names are inconsistent.  */
+
+/* Global variable.  */
+static int posixly_correct;
+
+# ifndef internal_function
+/* Inside GNU libc we mark some function in a special way.  In other
+   environments simply ignore the marking.  */
+#  define internal_function
+# endif
 
 /* Note that this evaluates C many times.  */
-#define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER ((unsigned char) (c)) \
-                 ? tolower ((unsigned char) (c)) \
-                 : (c))
+# ifdef _LIBC
+#  define FOLD(c) ((flags & FNM_CASEFOLD) ? tolower (c) : (c))
+# else
+#  define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? tolower (c) : (c))
+# endif
+# define CHAR	char
+# define UCHAR	unsigned char
+# define INT	int
+# define FCT	internal_fnmatch
+# define EXT	ext_match
+# define END	end_pattern
+# define L(CS)	CS
+# ifdef _LIBC
+#  define BTOWC(C)	__btowc (C)
+# else
+#  define BTOWC(C)	btowc (C)
+# endif
+# define STRLEN(S) strlen (S)
+# define STRCAT(D, S) strcat (D, S)
+# ifdef _LIBC
+#  define MEMPCPY(D, S, N) __mempcpy (D, S, N)
+# else
+#  if HAVE_MEMPCPY
+#   define MEMPCPY(D, S, N) mempcpy (D, S, N)
+#  else
+#   define MEMPCPY(D, S, N) ((void *) ((char *) memcpy (D, S, N) + (N)))
+#  endif
+# endif
+# define MEMCHR(S, C, N) memchr (S, C, N)
+# define STRCOLL(S1, S2) strcoll (S1, S2)
+# include "fnmatch_loop.c"
+
+
+# if HANDLE_MULTIBYTE
+#  define FOLD(c) ((flags & FNM_CASEFOLD) ? towlower (c) : (c))
+#  define CHAR	wchar_t
+#  define UCHAR	wint_t
+#  define INT	wint_t
+#  define FCT	internal_fnwmatch
+#  define EXT	ext_wmatch
+#  define END	end_wpattern
+#  define L(CS)	L##CS
+#  define BTOWC(C)	(C)
+#  ifdef _LIBC
+#   define STRLEN(S) __wcslen (S)
+#   define STRCAT(D, S) __wcscat (D, S)
+#   define MEMPCPY(D, S, N) __wmempcpy (D, S, N)
+#  else
+#   define STRLEN(S) wcslen (S)
+#   define STRCAT(D, S) wcscat (D, S)
+#   if HAVE_WMEMPCPY
+#    define MEMPCPY(D, S, N) wmempcpy (D, S, N)
+#   else
+#    define MEMPCPY(D, S, N) (wmemcpy (D, S, N) + (N))
+#   endif
+#  endif
+#  define MEMCHR(S, C, N) wmemchr (S, C, N)
+#  define STRCOLL(S1, S2) wcscoll (S1, S2)
+#  define WIDE_CHAR_VERSION 1
+
+#  undef IS_CHAR_CLASS
+/* We have to convert the wide character string in a multibyte string.  But
+   we know that the character class names consist of alphanumeric characters
+   from the portable character set, and since the wide character encoding
+   for a member of the portable character set is the same code point as
+   its single-byte encoding, we can use a simplified method to convert the
+   string to a multibyte character string.  */
+static wctype_t
+is_char_class (const wchar_t *wcs)
+{
+  char s[CHAR_CLASS_MAX_LENGTH + 1];
+  char *cp = s;
 
-  while ((c = *p++) != '\0')
+  do
     {
-      c = FOLD (c);
-
-      switch (c)
+      /* Test for a printable character from the portable character set.  */
+#  ifdef _LIBC
+      if (*wcs < 0x20 || *wcs > 0x7e
+	  || *wcs == 0x24 || *wcs == 0x40 || *wcs == 0x60)
+	return (wctype_t) 0;
+#  else
+      switch (*wcs)
 	{
-	case '?':
-	  if (*n == '\0')
-	    return FNM_NOMATCH;
-	  else if ((flags & FNM_FILE_NAME) && *n == '/')
-	    return FNM_NOMATCH;
-	  else if ((flags & FNM_PERIOD) && *n == '.' &&
-		   (n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
-	    return FNM_NOMATCH;
+	case L' ': case L'!': case L'"': case L'#': case L'%':
+	case L'&': case L'\'': case L'(': case L')': case L'*':
+	case L'+': case L',': case L'-': case L'.': case L'/':
+	case L'0': case L'1': case L'2': case L'3': case L'4':
+	case L'5': case L'6': case L'7': case L'8': case L'9':
+	case L':': case L';': case L'<': case L'=': case L'>':
+	case L'?':
+	case L'A': case L'B': case L'C': case L'D': case L'E':
+	case L'F': case L'G': case L'H': case L'I': case L'J':
+	case L'K': case L'L': case L'M': case L'N': case L'O':
+	case L'P': case L'Q': case L'R': case L'S': case L'T':
+	case L'U': case L'V': case L'W': case L'X': case L'Y':
+	case L'Z':
+	case L'[': case L'\\': case L']': case L'^': case L'_':
+	case L'a': case L'b': case L'c': case L'd': case L'e':
+	case L'f': case L'g': case L'h': case L'i': case L'j':
+	case L'k': case L'l': case L'm': case L'n': case L'o':
+	case L'p': case L'q': case L'r': case L's': case L't':
+	case L'u': case L'v': case L'w': case L'x': case L'y':
+	case L'z': case L'{': case L'|': case L'}': case L'~':
 	  break;
+	default:
+	  return (wctype_t) 0;
+	}
+#  endif
 
-	case '\\':
-	  if (!(flags & FNM_NOESCAPE))
-	    {
-	      c = *p++;
-	      if (c == '\0')
-		/* Trailing \ loses.  */
-		return FNM_NOMATCH;
-	      c = FOLD (c);
-	    }
-	  if (FOLD (*n) != c)
-	    return FNM_NOMATCH;
-	  break;
+      /* Avoid overrunning the buffer.  */
+      if (cp == s + CHAR_CLASS_MAX_LENGTH)
+	return (wctype_t) 0;
 
-	case '*':
-	  if ((flags & FNM_PERIOD) && *n == '.' &&
-	      (n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
-	    return FNM_NOMATCH;
+      *cp++ = (char) *wcs++;
+    }
+  while (*wcs != L'\0');
 
-	  for (c = *p++; c == '?' || c == '*'; c = *p++)
-	    {
-	      if (c == '?')
-		{
-		  /* A ? needs to match one character.  */
-		  if (*n == '\0' || (*n == '/' && (flags & FNM_FILE_NAME)))
-		    /* There isn't another character; no match.  */
-		    return FNM_NOMATCH;
-		  else
-		    /* One character of the string is consumed in matching
-		       this ? wildcard, so *??? won't match if there are
-		       less than three characters.  */
-		    ++n;
-		}
-	    }
+  *cp = '\0';
 
-	  if (c == '\0')
-	    {
-	      if ((flags & (FNM_FILE_NAME | FNM_LEADING_DIR)) == FNM_FILE_NAME)
-		for (; *n != '\0'; n++)
-		  if (*n == '/')
-		    return FNM_NOMATCH;
-	      return 0;
-	    }
+#  ifdef _LIBC
+  return __wctype (s);
+#  else
+  return wctype (s);
+#  endif
+}
+#  define IS_CHAR_CLASS(string) is_char_class (string)
 
-	  {
-	    char c1 = (!(flags & FNM_NOESCAPE) && c == '\\') ? *p : c;
-	    c1 = FOLD (c1);
-	    for (--p; *n != '\0'; ++n)
-	      if ((c == '[' || FOLD (*n) == c1) &&
-		  fnmatch (p, n, flags & ~FNM_PERIOD) == 0)
-		return 0;
-	      else if (*n == '/' && (flags & FNM_FILE_NAME))
-		break;
-	    return FNM_NOMATCH;
-	  }
-
-	case '[':
-	  {
-	    /* Nonzero if the sense of the character class is inverted.  */
-	    register int not;
-
-	    if (*n == '\0')
-	      return FNM_NOMATCH;
-
-	    if ((flags & FNM_PERIOD) && *n == '.' &&
-		(n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
-	      return FNM_NOMATCH;
-
-	    not = (*p == '!' || *p == '^');
-	    if (not)
-	      ++p;
-
-	    c = *p++;
-	    for (;;)
-	      {
-		register char cstart = c, cend = c;
-
-		if (!(flags & FNM_NOESCAPE) && c == '\\')
-		  {
-		    if (*p == '\0')
-		      return FNM_NOMATCH;
-		    cstart = cend = *p++;
-		  }
-
-		cstart = cend = FOLD (cstart);
-
-		if (c == '\0')
-		  /* [ (unterminated) loses.  */
-		  return FNM_NOMATCH;
-
-		c = *p++;
-		c = FOLD (c);
-
-		if ((flags & FNM_FILE_NAME) && c == '/')
-		  /* [/] can never match.  */
-		  return FNM_NOMATCH;
-
-		if (c == '-' && *p != ']')
-		  {
-		    cend = *p++;
-		    if (!(flags & FNM_NOESCAPE) && cend == '\\')
-		      cend = *p++;
-		    if (cend == '\0')
-		      return FNM_NOMATCH;
-		    cend = FOLD (cend);
-
-		    c = *p++;
-		  }
-
-		if (FOLD (*n) >= cstart && FOLD (*n) <= cend)
-		  goto matched;
-
-		if (c == ']')
-		  break;
-	      }
-	    if (!not)
-	      return FNM_NOMATCH;
-	    break;
-
-	  matched:;
-	    /* Skip the rest of the [...] that already matched.  */
-	    while (c != ']')
-	      {
-		if (c == '\0')
-		  /* [... (unterminated) loses.  */
-		  return FNM_NOMATCH;
-
-		c = *p++;
-		if (!(flags & FNM_NOESCAPE) && c == '\\')
-		  {
-		    if (*p == '\0')
-		      return FNM_NOMATCH;
-		    /* XXX 1003.2d11 is unclear if this is right.  */
-		    ++p;
-		  }
-	      }
-	    if (not)
-	      return FNM_NOMATCH;
-	  }
-	  break;
+#  include "fnmatch_loop.c"
+# endif
 
-	default:
-	  if (c != FOLD (*n))
-	    return FNM_NOMATCH;
+
+int
+fnmatch (const char *pattern, const char *string, int flags)
+{
+# if HANDLE_MULTIBYTE
+#  define ALLOCA_LIMIT 2000
+  if (__builtin_expect (MB_CUR_MAX, 1) != 1)
+    {
+      mbstate_t ps;
+      size_t patsize;
+      size_t strsize;
+      size_t totsize;
+      wchar_t *wpattern;
+      wchar_t *wstring;
+      int res;
+
+      /* Calculate the size needed to convert the strings to
+	 wide characters.  */
+      memset (&ps, '\0', sizeof (ps));
+      patsize = mbsrtowcs (NULL, &pattern, 0, &ps) + 1;
+      if (__builtin_expect (patsize == 0, 0))
+	/* Something wrong.
+	   XXX Do we have to set `errno' to something which mbsrtows hasn't
+	   already done?  */
+	return -1;
+      assert (mbsinit (&ps));
+      strsize = mbsrtowcs (NULL, &string, 0, &ps) + 1;
+      if (__builtin_expect (strsize == 0, 0))
+	/* Something wrong.
+	   XXX Do we have to set `errno' to something which mbsrtows hasn't
+	   already done?  */
+	return -1;
+      assert (mbsinit (&ps));
+      totsize = patsize + strsize;
+      if (__builtin_expect (! (patsize <= totsize
+			       && totsize <= SIZE_MAX / sizeof (wchar_t)),
+			    0))
+	{
+	  errno = ENOMEM;
+	  return -1;
 	}
 
-      ++n;
-    }
+      /* Allocate room for the wide characters.  */
+      if (__builtin_expect (totsize < ALLOCA_LIMIT, 1))
+	wpattern = (wchar_t *) alloca (totsize * sizeof (wchar_t));
+      else
+	{
+	  wpattern = malloc (totsize * sizeof (wchar_t));
+	  if (__builtin_expect (! wpattern, 0))
+	    {
+	      errno = ENOMEM;
+	      return -1;
+	    }
+	}
+      wstring = wpattern + patsize;
 
-  if (*n == '\0')
-    return 0;
+      /* Convert the strings into wide characters.  */
+      mbsrtowcs (wpattern, &pattern, patsize, &ps);
+      assert (mbsinit (&ps));
+      mbsrtowcs (wstring, &string, strsize, &ps);
 
-  if ((flags & FNM_LEADING_DIR) && *n == '/')
-    /* The FNM_LEADING_DIR flag says that "foo*" matches "foobar/frobozz".  */
-    return 0;
+      res = internal_fnwmatch (wpattern, wstring, wstring + strsize - 1,
+			       flags & FNM_PERIOD, flags);
 
-  return FNM_NOMATCH;
+      if (__builtin_expect (! (totsize < ALLOCA_LIMIT), 0))
+	free (wpattern);
+      return res;
+    }
+# endif /* HANDLE_MULTIBYTE */
 
-#undef FOLD
+  return internal_fnmatch (pattern, string, string + strlen (string),
+			   flags & FNM_PERIOD, flags);
 }
+
+# ifdef _LIBC
+#  undef fnmatch
+versioned_symbol (libc, __fnmatch, fnmatch, GLIBC_2_2_3);
+#  if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_2_3)
+strong_alias (__fnmatch, __fnmatch_old)
+compat_symbol (libc, __fnmatch_old, fnmatch, GLIBC_2_0);
+#  endif
+libc_hidden_ver (__fnmatch, fnmatch)
+# endif
+
+#endif	/* _LIBC or not __GNU_LIBRARY__.  */
diff --git a/lib/getpass.c b/lib/getpass.c
index 8daca0aee..4f520aef3 100644
--- a/lib/getpass.c
+++ b/lib/getpass.c
@@ -1,39 +1,109 @@
-/* GNU Mailutils -- a suite of utilities for electronic mail
-   Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2001, 2003, 2004 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
 
-   This library 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 of the License, or (at your option) any later version.
+   This program 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 2, or (at your option)
+   any later version.
 
-   This library is distributed in the hope that it will be useful,
+   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.
+   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 library; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA  */
+   You should have received a copy of the GNU General Public License along
+   with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
-#include  <stdio.h>
-#include  <string.h>
-#include  <stdlib.h>
-#include  <termios.h>
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
 
-/* Alain: Parts originally from GNU Lib C.  */
+#if !_LIBC
+# include "getpass.h"
+#endif
 
-static void
-echo_off(int fd, struct termios *stored_settings)
-{
-  struct termios new_settings;
-  tcgetattr (fd, stored_settings);
-  new_settings = *stored_settings;
-  new_settings.c_lflag &= (~ECHO);
-  tcsetattr (fd, TCSANOW, &new_settings);
-}
+#if _LIBC
+# define HAVE_STDIO_EXT_H 1
+#endif
+
+#include <stdbool.h>
+
+#include <stdio.h>
+#if HAVE_STDIO_EXT_H
+# include <stdio_ext.h>
+#else
+# define __fsetlocking(stream, type) /* empty */
+#endif
+#if !_LIBC
+# include "getline.h"
+#endif
+
+#include <termios.h>
+#include <unistd.h>
+
+#if _LIBC
+# include <wchar.h>
+#endif
+
+#if _LIBC
+# define NOTCANCEL_MODE "c"
+#else
+# define NOTCANCEL_MODE
+#endif
+
+#if _LIBC
+# define flockfile(s) _IO_flockfile (s)
+# define funlockfile(s) _IO_funlockfile (s)
+#elif 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
+
+#if _LIBC
+# include <bits/libc-lock.h>
+#else
+# define __libc_cleanup_push(function, arg) /* empty */
+# define __libc_cleanup_pop(execute) /* empty */
+#endif
+
+#if !_LIBC
+# define __getline getline
+# define __tcgetattr tcgetattr
+#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
-echo_on(int fd, struct termios *stored_settings)
+call_fclose (void *arg)
 {
-  tcsetattr (fd, TCSANOW, stored_settings);
+  if (arg != NULL)
+    fclose (arg);
 }
@@ -41,40 +111,94 @@ echo_on(int fd, struct termios *stored_settings)
 char *
-getpass (const char * prompt)
+getpass (const char *prompt)
 {
+  FILE *tty;
   FILE *in, *out;
-  struct termios stored_settings;
+  struct termios s, t;
+  bool tty_changed;
   static char *buf;
-  static size_t buf_size;
-  char *pbuf;
+  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.  */
 
-  /* First pass initialize the buffer.  */
-  if (buf_size == 0)
+  tty = fopen ("/dev/tty", "w+" NOTCANCEL_MODE);
+  if (tty == NULL)
     {
-      buf_size = 256;
-      buf = calloc (1, buf_size);
-      if (buf == NULL)
-	return NULL;
+      in = stdin;
+      out = stderr;
     }
   else
-    memset (buf, '\0', buf_size);
+    {
+      /* We do the locking ourselves.  */
+      __fsetlocking (tty, FSETLOCKING_BYCALLER);
+
+      out = in = tty;
+    }
+
+  /* Make sure the stream we opened is closed even if the thread is
+     canceled.  */
+  __libc_cleanup_push (call_fclose, tty);
+
+  flockfile (out);
 
   /* Turn echoing off if it is on now.  */
-  echo_off (fileno (stdin), &stored_settings);
+
+  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);
+    }
+  else
+    tty_changed = false;
 
   /* Write the prompt.  */
-  fputs (prompt, stdout);
-  fflush (stdout);
+#ifdef USE_IN_LIBIO
+  if (_IO_fwide (out, 0) > 0)
+    __fwprintf (out, L"%s", prompt);
+  else
+#endif
+    fputs_unlocked (prompt, out);
+  fflush_unlocked (out);
 
   /* Read the password.  */
-  pbuf = fgets (buf, buf_size, stdin);
-  if (pbuf)
+  nread = __getline (&buf, &bufsize, in);
+
+#if !_LIBC
+  /* As far as is known, glibc doesn't need this no-op fseek.  */
+
+  /* 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);
+#endif
+
+  if (buf != NULL)
     {
-      size_t nread = strlen (pbuf);
-      if (nread && pbuf[nread - 1] == '\n')
-        {
-          /* Remove the newline.  */
-          pbuf[nread - 1] = '\0';
-	  /* Write the newline that was not echoed.  */
-	  putc ('\n', stdout);
-        }
+      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.  */
+#ifdef USE_IN_LIBIO
+	      if (_IO_fwide (out, 0) > 0)
+		putwc_unlocked (L'\n', out);
+	      else
+#endif
+		putc_unlocked ('\n', out);
+	    }
+	}
     }
@@ -82,18 +206,12 @@ getpass (const char * prompt)
   /* Restore the original setting.  */
-  echo_on (fileno (stdin), &stored_settings);
+  if (tty_changed)
+    (void) tcsetattr (fileno (in), TCSAFLUSH|TCSASOFT, &s);
 
-  return pbuf;
-}
+  funlockfile (out);
 
-#ifdef _GETPASS_STANDALONE_TEST
+  __libc_cleanup_pop (0);
 
-int
-main ()
-{
-  char *p;
-  p = getpass ("my prompt: ");
-  if (p)
-    printf ("Passwd: %s\n", p);
-  return 0;
+  call_fclose (tty);
+
+  return buf;
 }
-#endif
diff --git a/lib/malloc.c b/lib/malloc.c
index 1d198709a..ca04c57cd 100644
--- a/lib/malloc.c
+++ b/lib/malloc.c
@@ -1,3 +1,3 @@
-/* rpl_malloc.c -- a replacement for malloc that don't accept 0 size
-   Copyright (C) 2001 Free Software Foundation, Inc.
+/* malloc() function that is glibc compatible.
+   Copyright (C) 1997, 1998 Free Software Foundation, Inc.
 
@@ -17,10 +17,20 @@
 
+/* written by Jim Meyering */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+#undef malloc
+
 #include <stdlib.h>
 
+/* Allocate an N-byte block of memory from the heap.
+   If N is zero, allocate a 1-byte block.  */
+
 void *
-rpl_malloc(size_t size)
+rpl_malloc (size_t n)
 {
-	if (!size)
-		size++;
-	return malloc(size);
+  if (n == 0)
+    n = 1;
+  return malloc (n);
 }
diff --git a/lib/obstack.c b/lib/obstack.c
index 3853c8c2f..63396131c 100644
--- a/lib/obstack.c
+++ b/lib/obstack.c
@@ -1,19 +1,31 @@
 /* obstack.c - subroutines used implicitly by object stack macros
-   Copyright (C) 1988, 89, 90, 91, 92, 93, 94 Free Software Foundation, Inc.
 
-This program 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 2, or (at your option) any
-later version.
+   Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1996, 1997,
+   1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation,
+   Inc.
 
-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.
+   This program 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 2, or (at your option)
+   any later version.
 
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+   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.
 
-#include "obstack.h"
+   You should have received a copy of the GNU General Public License along
+   with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#ifdef _LIBC
+# include <obstack.h>
+# include <shlib-compat.h>
+#else
+# include "obstack.h"
+#endif
 
@@ -34,9 +46,14 @@ Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include <stdio.h>		/* Random thing to get __GNU_LIBRARY__.  */
-#if !defined (_LIBC) && defined (__GNU_LIBRARY__) && __GNU_LIBRARY__ > 1
-#include <gnu-versions.h>
-#if _GNU_OBSTACK_INTERFACE_VERSION == OBSTACK_INTERFACE_VERSION
-#define ELIDE_CODE
+#if !defined _LIBC && defined __GNU_LIBRARY__ && __GNU_LIBRARY__ > 1
+# include <gnu-versions.h>
+# if _GNU_OBSTACK_INTERFACE_VERSION == OBSTACK_INTERFACE_VERSION
+#  define ELIDE_CODE
+# endif
 #endif
+
+#if defined _LIBC && defined USE_IN_LIBIO
+# include <wchar.h>
 #endif
 
+#include <stddef.h>
 
@@ -45,12 +62,21 @@ Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
-#if defined (__STDC__) && __STDC__
-#define POINTER void *
-#else
-#define POINTER char *
-#endif
+# if HAVE_INTTYPES_H
+#  include <inttypes.h>
+# endif
+# if HAVE_STDINT_H || defined _LIBC
+#  include <stdint.h>
+# endif
 
 /* Determine default alignment.  */
-struct fooalign {char x; double d;};
-#define DEFAULT_ALIGNMENT  \
-  ((PTR_INT_TYPE) ((char *)&((struct fooalign *) 0)->d - (char *)0))
+union fooround
+{
+  uintmax_t i;
+  long double d;
+  void *p;
+};
+struct fooalign
+{
+  char c;
+  union fooround u;
+};
 /* If malloc were really smart, it would round addresses to DEFAULT_ALIGNMENT.
@@ -58,4 +84,7 @@ struct fooalign {char x; double d;};
    DEFAULT_ROUNDING.  So we prepare for it to do that.  */
-union fooround {long x; double d;};
-#define DEFAULT_ROUNDING (sizeof (union fooround))
+enum
+  {
+    DEFAULT_ALIGNMENT = offsetof (struct fooalign, u),
+    DEF