no libltdl needed

12 files changed, 7 insertions, 5734 deletions

diff --git a/ChangeLog b/ChangeLog
index 37e553b6..e74826b0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun May 18 17:28:43 MDT 2008
+        Removed libltdl tests and directory.  We do not need
+        those anymore since we use libgnunetutil anyway.
+
 Sun Mar  2 19:13:39 MST 2008
         Releasing gnunet-gtk 0.8.0pre0.
 
diff --git a/TODO b/TODO
index 8e5c5ae1..c0152bb3 100644
--- a/TODO
+++ b/TODO
@@ -8,6 +8,7 @@ Annotations:
   => need to incorporate into code!
 - use new search ranking features
   => need to implement function in search.c and update tree views/model
+- better uritracker support
 - pop-up dialogs / context menus (show extra information, in particular full metadata) [RC]
 - much more testing!!!
 
diff --git a/bootstrap b/bootstrap
index 57648b9e..cffc4978 100755
--- a/bootstrap
+++ b/bootstrap
@@ -1,7 +1,4 @@
 #!/bin/sh
 export MKDIR_P="mkdir -p"
 automake -fi
-cd libltdl
-autoreconf -f -i
-cd ..
 autoreconf -f -i
diff --git a/configure.ac b/configure.ac
index 7ec286fc..dd421a4d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 # This file is part of GNUnet.
-# (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 Christian Grothoff (and other contributing authors)
+# (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Christian Grothoff (and other contributing authors)
 #
 # GNUnet is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published
@@ -42,17 +42,9 @@ AC_PROG_CXX
 AC_HEADER_STDC
 AC_CANONICAL_HOST
 
-
 # dynamic libraries/plugins
-AC_LIBTOOL_DLOPEN
-AC_LIBLTDL_INSTALLABLE
-AC_SUBST(LTDLINCL)
-AC_SUBST(LIBLTDL)
 AC_DISABLE_STATIC
 AC_PROG_LIBTOOL
-AC_LIB_LTDL
-AC_CONFIG_SUBDIRS(libltdl)
-
 
 AC_SYS_LARGEFILE
 AC_FUNC_FSEEKO
diff --git a/libltdl/COPYING.LIB b/libltdl/COPYING.LIB
deleted file mode 100644
index 0d516d2d..00000000
--- a/libltdl/COPYING.LIB
+++ /dev/null
@@ -1,510 +0,0 @@
-
-                  GNU LESSER GENERAL PUBLIC LICENSE
-                       Version 2.1, February 1999
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-        51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- Everyone is permitted to copy and distribute verbatim copies
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diff --git a/libltdl/Makefile.am b/libltdl/Makefile.am
deleted file mode 100644
index 9b560285..00000000
--- a/libltdl/Makefile.am
+++ /dev/null
@@ -1,51 +0,0 @@
-## Process this file with automake to produce Makefile.in
-
-AUTOMAKE_OPTIONS = no-dependencies foreign
-
-if INSTALL_LTDL
-include_HEADERS = ltdl.h
-lib_LTLIBRARIES = libltdl.la
-else
-noinst_HEADERS = ltdl.h
-endif
-
-if CONVENIENCE_LTDL
-noinst_LTLIBRARIES = libltdlc.la
-endif
-
-## Make sure these will be cleaned even when they're not built by
-## default.
-CLEANFILES = libltdl.la libltdlc.la
-
-libltdl_la_SOURCES = ltdl.c
-libltdl_la_LDFLAGS = -no-undefined -version-info 4:0:1
-libltdl_la_LIBADD = $(LIBADD_DL)
-
-libltdlc_la_SOURCES = ltdl.c
-libltdlc_la_LIBADD = $(LIBADD_DL)
-
-## Because we do not have automatic dependency tracking:
-ltdl.lo: ltdl.h config.h
-
-$(libltdl_la_OBJECTS) $(libltdlc_la_OBJECTS): libtool
-libtool: $(LIBTOOL_DEPS)
-        $(SHELL) ./config.status --recheck
-
-## This allows us to install libltdl without using ln and without creating
-## a world writeable directory.
-## FIXME:  Remove this rule once automake can do this properly by itself.
-local-install-files: $(DISTFILES)
-        -rm -rf $(DESTDIR)$(datadir)/libtool/libltdl
-        $(mkinstalldirs) $(DESTDIR)$(datadir)/libtool/libltdl
-        @for file in $(DISTFILES); do \
-          case $$file in \
-            $(srcdir)/*) file=`echo "$$file" | sed "s|^$(srcdir)/||"`;; \
-          esac; \
-          d=$(srcdir); \
-          if test -d $$d/$$file; then \
-            cp -r $$d/$$file $(DESTDIR)$(datadir)/libtool/libltdl/$$file; \
-          else \
-            test -f $(DESTDIR)$(datadir)/libtool/libltdl/$$file \
-            || cp $$d/$$file $(DESTDIR)$(datadir)/libtool/libltdl/$$file || :; \
-          fi; \
-        done
diff --git a/libltdl/README b/libltdl/README
deleted file mode 100644
index da0a449c..00000000
--- a/libltdl/README
+++ /dev/null
@@ -1,10 +0,0 @@
-This is GNU libltdl, a system independent dlopen wrapper for GNU libtool.
-
-It supports the following dlopen interfaces:
-* dlopen (Solaris, Linux and various BSD flavors)
-* shl_load (HP-UX)
-* LoadLibrary (Win16 and Win32)
-* load_add_on (BeOS)
-* GNU DLD (emulates dynamic linking for static libraries)
-* dyld (darwin/Mac OS X)
-* libtool's dlpreopen
diff --git a/libltdl/config-h.in b/libltdl/config-h.in
deleted file mode 100644
index b8640710..00000000
--- a/libltdl/config-h.in
+++ /dev/null
@@ -1,195 +0,0 @@
-/* config-h.in.  Generated from configure.ac by autoheader.  */
-
-/* Define to 1 if you have the `argz_append' function. */
-#undef HAVE_ARGZ_APPEND
-
-/* Define to 1 if you have the `argz_create_sep' function. */
-#undef HAVE_ARGZ_CREATE_SEP
-
-/* Define to 1 if you have the <argz.h> header file. */
-#undef HAVE_ARGZ_H
-
-/* Define to 1 if you have the `argz_insert' function. */
-#undef HAVE_ARGZ_INSERT
-
-/* Define to 1 if you have the `argz_next' function. */
-#undef HAVE_ARGZ_NEXT
-
-/* Define to 1 if you have the `argz_stringify' function. */
-#undef HAVE_ARGZ_STRINGIFY
-
-/* Define to 1 if you have the <assert.h> header file. */
-#undef HAVE_ASSERT_H
-
-/* Define to 1 if you have the `bcopy' function. */
-#undef HAVE_BCOPY
-
-/* Define to 1 if you have the `closedir' function. */
-#undef HAVE_CLOSEDIR
-
-/* Define to 1 if you have the <ctype.h> header file. */
-#undef HAVE_CTYPE_H
-
-/* Define to 1 if you have the <dirent.h> header file, and it defines `DIR'.
-   */
-#undef HAVE_DIRENT_H
-
-/* Define if you have the GNU dld library. */
-#undef HAVE_DLD
-
-/* Define to 1 if you have the <dld.h> header file. */
-#undef HAVE_DLD_H
-
-/* Define to 1 if you have the `dlerror' function. */
-#undef HAVE_DLERROR
-
-/* Define to 1 if you have the <dlfcn.h> header file. */
-#undef HAVE_DLFCN_H
-
-/* Define to 1 if you have the <dl.h> header file. */
-#undef HAVE_DL_H
-
-/* Define if you have the _dyld_func_lookup function. */
-#undef HAVE_DYLD
-
-/* Define to 1 if you have the <errno.h> header file. */
-#undef HAVE_ERRNO_H
-
-/* Define to 1 if the system has the type `error_t'. */
-#undef HAVE_ERROR_T
-
-/* Define to 1 if you have the `index' function. */
-#undef HAVE_INDEX
-
-/* Define to 1 if you have the <inttypes.h> header file. */
-#undef HAVE_INTTYPES_H
-
-/* Define if you have the libdl library or equivalent. */
-#undef HAVE_LIBDL
-
-/* Define to 1 if you have the <mach-o/dyld.h> header file. */
-#undef HAVE_MACH_O_DYLD_H
-
-/* Define to 1 if you have the <malloc.h> header file. */
-#undef HAVE_MALLOC_H
-
-/* Define to 1 if you have the `memcpy' function. */
-#undef HAVE_MEMCPY
-
-/* Define to 1 if you have the `memmove' function. */
-#undef HAVE_MEMMOVE
-
-/* Define to 1 if you have the <memory.h> header file. */
-#undef HAVE_MEMORY_H
-
-/* Define to 1 if you have the <ndir.h> header file, and it defines `DIR'. */
-#undef HAVE_NDIR_H
-
-/* Define to 1 if you have the `opendir' function. */
-#undef HAVE_OPENDIR
-
-/* Define if libtool can extract symbol lists from object files. */
-#undef HAVE_PRELOADED_SYMBOLS
-
-/* Define to 1 if you have the `readdir' function. */
-#undef HAVE_READDIR
-
-/* Define to 1 if you have the `rindex' function. */
-#undef HAVE_RINDEX
-
-/* Define if you have the shl_load function. */
-#undef HAVE_SHL_LOAD
-
-/* Define to 1 if you have the <stdint.h> header file. */
-#undef HAVE_STDINT_H
-
-/* Define to 1 if you have the <stdio.h> header file. */
-#undef HAVE_STDIO_H
-
-/* Define to 1 if you have the <stdlib.h> header file. */
-#undef HAVE_STDLIB_H
-
-/* Define to 1 if you have the `strchr' function. */
-#undef HAVE_STRCHR
-
-/* Define to 1 if you have the `strcmp' function. */
-#undef HAVE_STRCMP
-
-/* Define to 1 if you have the <strings.h> header file. */
-#undef HAVE_STRINGS_H
-
-/* Define to 1 if you have the <string.h> header file. */
-#undef HAVE_STRING_H
-
-/* Define to 1 if you have the `strrchr' function. */
-#undef HAVE_STRRCHR
-
-/* Define to 1 if you have the <sys/dir.h> header file, and it defines `DIR'.
-   */
-#undef HAVE_SYS_DIR_H
-
-/* Define to 1 if you have the <sys/dl.h> header file. */
-#undef HAVE_SYS_DL_H
-
-/* Define to 1 if you have the <sys/ndir.h> header file, and it defines `DIR'.
-   */
-#undef HAVE_SYS_NDIR_H
-
-/* Define to 1 if you have the <sys/stat.h> header file. */
-#undef HAVE_SYS_STAT_H
-
-/* Define to 1 if you have the <sys/types.h> header file. */
-#undef HAVE_SYS_TYPES_H
-
-/* Define to 1 if you have the <unistd.h> header file. */
-#undef HAVE_UNISTD_H
-
-/* Define if the OS needs help to load dependent libraries for dlopen(). */
-#undef LTDL_DLOPEN_DEPLIBS
-
-/* Define to the sub-directory in which libtool stores uninstalled libraries.
-   */
-#undef LTDL_OBJDIR
-
-/* Define to the name of the environment variable that determines the dynamic
-   library search path. */
-#undef LTDL_SHLIBPATH_VAR
-
-/* Define to the extension used for shared libraries, say, ".so". */
-#undef LTDL_SHLIB_EXT
-
-/* Define to the system default library search path. */
-#undef LTDL_SYSSEARCHPATH
-
-/* Define if dlsym() requires a leading underscore in symbol names. */
-#undef NEED_USCORE
-
-/* Define to the address where bug reports for this package should be sent. */
-#undef PACKAGE_BUGREPORT
-
-/* Define to the full name of this package. */
-#undef PACKAGE_NAME
-
-/* Define to the full name and version of this package. */
-#undef PACKAGE_STRING
-
-/* Define to the one symbol short name of this package. */
-#undef PACKAGE_TARNAME
-
-/* Define to the version of this package. */
-#undef PACKAGE_VERSION
-
-/* Define to 1 if you have the ANSI C header files. */
-#undef STDC_HEADERS
-
-/* Define to empty if `const' does not conform to ANSI C. */
-#undef const
-
-/* Define to a type to use for `error_t' if it is not otherwise available. */
-#undef error_t
-
-/* Define to `__inline__' or `__inline' if that's what the C compiler
-   calls it, or to nothing if 'inline' is not supported under any name.  */
-#ifndef __cplusplus
-#undef inline
-#endif
diff --git a/libltdl/configure.ac b/libltdl/configure.ac
deleted file mode 100644
index 56c9f237..00000000
--- a/libltdl/configure.ac
+++ /dev/null
@@ -1,80 +0,0 @@
-## Process this file with autoconf to create configure. -*- autoconf -*-
-# Copyright 2001  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 of the License, 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 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
-
-
-## FIXME: Is this really new enough? ##
-AC_PREREQ(2.50)
-
-
-## ------------------------ ##
-## Autoconf initialisation. ##
-## ------------------------ ##
-AC_INIT([libltdl], [1.2], [bug-libtool@gnu.org])
-AC_CONFIG_SRCDIR([ltdl.c])
-
-
-## ------------------------------- ##
-## Libltdl specific configuration. ##
-## ------------------------------- ##
-
-AC_CONFIG_AUX_DIR([.])
-
-if test -z "$enable_ltdl_install$enable_ltdl_convenience"; then
-  if test -f ${srcdir}/ltmain.sh; then
-    # if libltdl is libtoolized, it is assumed to be stand-alone and
-    # installed unless the command line overrides it (tested above)
-    enable_ltdl_install=yes
-  else
-    AC_MSG_WARN([*** The top-level configure must select either])
-    AC_MSG_WARN([*** [A""C_LIBLTDL_INSTALLABLE] or [A""C_LIBLTDL_CONVENIENCE].])
-    AC_MSG_ERROR([*** Maybe you want to --enable-ltdl-install?])
-  fi
-fi
-
-
-## ------------------------ ##
-## Automake Initialisation. ##
-## ------------------------ ##
-AM_INIT_AUTOMAKE(AC_PACKAGE_TARNAME, AC_PACKAGE_VERSION, -)
-AM_CONFIG_HEADER([config.h:config-h.in])
-AM_MAINTAINER_MODE
-
-
-## ------------------ ##
-## C compiler checks. ##
-## ------------------ ##
-AC_PROG_CC
-AC_C_CONST
-AC_C_INLINE
-
-
-## ----------------------- ##
-## Libtool initialisation. ##
-## ----------------------- ##
-AC_LIBTOOL_WIN32_DLL
-AC_PROG_LIBTOOL
-AC_SUBST([LIBTOOL_DEPS])
-
-AC_LIB_LTDL
-
-
-## -------- ##
-## Outputs. ##
-## -------- ##
-AC_CONFIG_FILES([Makefile])
-AC_OUTPUT
diff --git a/libltdl/ltdl.c b/libltdl/ltdl.c
deleted file mode 100644
index 68037d23..00000000
--- a/libltdl/ltdl.c
+++ /dev/null
@@ -1,4525 +0,0 @@
-/* ltdl.c -- system independent dlopen wrapper
-   Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
-   Originally by Thomas Tanner <tanner@ffii.org>
-   This file is part of GNU Libtool.
-
-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.
-
-As a special exception to the GNU Lesser General Public License,
-if you distribute this file as part of a program or library that
-is built using GNU libtool, you may include it under the same
-distribution terms that you use for the rest of that program.
-
-This library 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 library; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-02111-1307  USA
-
-*/
-
-#if HAVE_CONFIG_H
-#  include <config.h>
-#endif
-
-#if HAVE_UNISTD_H
-#  include <unistd.h>
-#endif
-
-#if HAVE_STDIO_H
-#  include <stdio.h>
-#endif
-
-/* Include the header defining malloc.  On K&R C compilers,
-   that's <malloc.h>, on ANSI C and ISO C compilers, that's <stdlib.h>.  */
-#if HAVE_STDLIB_H
-#  include <stdlib.h>
-#else
-#  if HAVE_GNUNET_malloc_H
-#    include <malloc.h>
-#  endif
-#endif
-
-#if HAVE_STRING_H
-#  include <string.h>
-#else
-#  if HAVE_STRINGS_H
-#    include <strings.h>
-#  endif
-#endif
-
-#if HAVE_CTYPE_H
-#  include <ctype.h>
-#endif
-
-#if HAVE_MEMORY_H
-#  include <memory.h>
-#endif
-
-#if HAVE_ERRNO_H
-#  include <errno.h>
-#endif
-
-
-#ifndef __WINDOWS__
-#  ifdef __WIN32__
-#    define __WINDOWS__
-#  endif
-#endif
-
-
-#undef LT_USE_POSIX_DIRENT
-#ifdef HAVE_CLOSEDIR
-#  ifdef HAVE_OPENDIR
-#    ifdef HAVE_READDIR
-#      ifdef HAVE_DIRENT_H
-#        define LT_USE_POSIX_DIRENT
-#      endif /* HAVE_DIRENT_H */
-#    endif /* HAVE_READDIR */
-#  endif /* HAVE_OPENDIR */
-#endif /* HAVE_CLOSEDIR */
-
-
-#undef LT_USE_WINDOWS_DIRENT_EMULATION
-#ifndef LT_USE_POSIX_DIRENT
-#  ifdef __WINDOWS__
-#    define LT_USE_WINDOWS_DIRENT_EMULATION
-#  endif /* __WINDOWS__ */
-#endif /* LT_USE_POSIX_DIRENT */
-
-
-#ifdef LT_USE_POSIX_DIRENT
-#  include <dirent.h>
-#  define LT_D_NAMLEN(dirent) (strlen((dirent)->d_name))
-#else
-#  ifdef LT_USE_WINDOWS_DIRENT_EMULATION
-#    define LT_D_NAMLEN(dirent) (strlen((dirent)->d_name))
-#  else
-#    define dirent direct
-#    define LT_D_NAMLEN(dirent) ((dirent)->d_namlen)
-#    if HAVE_SYS_NDIR_H
-#      include <sys/ndir.h>
-#    endif
-#    if HAVE_SYS_DIR_H
-#      include <sys/dir.h>
-#    endif
-#    if HAVE_NDIR_H
-#      include <ndir.h>
-#    endif
-#  endif
-#endif
-
-#if HAVE_ARGZ_H
-#  include <argz.h>
-#endif
-
-#if HAVE_ASSERT_H
-#  include <assert.h>
-#else
-#  define assert(arg)   ((void) 0)
-#endif
-
-#include "ltdl.h"
-
-#if WITH_DGNUNET_malloc
-#  include <dmalloc.h>
-#endif
-
-
-
-
-/* --- WINDOWS SUPPORT --- */
-
-
-#ifdef DLL_EXPORT
-#  define LT_GLOBAL_DATA        __declspec(dllexport)
-#else
-#  define LT_GLOBAL_DATA
-#endif
-
-/* fopen() mode flags for reading a text file */
-#undef  LT_READTEXT_MODE
-#ifdef __WINDOWS__
-#  define LT_READTEXT_MODE "rt"
-#else
-#  define LT_READTEXT_MODE "r"
-#endif
-
-#ifdef LT_USE_WINDOWS_DIRENT_EMULATION
-
-#include <windows.h>
-
-#define dirent lt_dirent
-#define DIR lt_DIR
-
-struct dirent
-{
-  char d_name[2048];
-  int d_namlen;
-};
-
-typedef struct _DIR
-{
-  HANDLE hSearch;
-  WIN32_FIND_DATA Win32FindData;
-  BOOL firsttime;
-  struct dirent file_info;
-} DIR;
-
-#endif /* LT_USE_WINDOWS_DIRENT_EMULATION */
-
-
-/* --- MANIFEST CONSTANTS --- */
-
-
-/* Standard libltdl search path environment variable name  */
-#undef  LTDL_SEARCHPATH_VAR
-#define LTDL_SEARCHPATH_VAR     "LTDL_LIBRARY_PATH"
-
-/* Standard libtool archive file extension.  */
-#undef  LTDL_ARCHIVE_EXT
-#define LTDL_ARCHIVE_EXT        ".la"
-
-/* max. filename length */
-#ifndef LT_FILENAME_MAX
-#  define LT_FILENAME_MAX       1024
-#endif
-
-/* This is the maximum symbol size that won't require malloc/free */
-#undef  LT_SYMBOL_LENGTH
-#define LT_SYMBOL_LENGTH        128
-
-/* This accounts for the _LTX_ separator */
-#undef  LT_SYMBOL_OVERHEAD
-#define LT_SYMBOL_OVERHEAD      5
-
-
-
-
-/* --- MEMORY HANDLING --- */
-
-
-/* These are the functions used internally.  In addition to making
-   use of the associated function pointers above, they also perform
-   error handling.  */
-static char *lt_estrdup LT_PARAMS ((const char *str));
-static lt_ptr lt_emalloc LT_PARAMS ((size_t size));
-static lt_ptr lt_erealloc LT_PARAMS ((lt_ptr addr, size_t size));
-
-/* static lt_ptr rpl_realloc    LT_PARAMS((lt_ptr ptr, size_t size)); */
-#define rpl_realloc realloc
-
-/* These are the pointers that can be changed by the caller:  */
-LT_GLOBAL_DATA
-lt_ptr (*lt_dlmalloc)
-LT_PARAMS ((size_t size)) = (lt_ptr (*)LT_PARAMS ((size_t))) malloc;
-     LT_GLOBAL_DATA lt_ptr (*lt_dlrealloc)
-  LT_PARAMS ((lt_ptr ptr, size_t size)) =
-  (lt_ptr (*)LT_PARAMS ((lt_ptr, size_t))) rpl_realloc;
-     LT_GLOBAL_DATA void (*lt_dlfree) LT_PARAMS ((lt_ptr ptr)) =
-  (void (*)LT_PARAMS ((lt_ptr))) free;
-
-/* The following macros reduce the amount of typing needed to cast
-   assigned memory.  */
-#if WITH_DGNUNET_malloc
-
-#define LT_DLGNUNET_malloc(tp, n)       ((tp *) xmalloc ((n) * sizeof(tp)))
-#define LT_DLREALLOC(tp, p, n)  ((tp *) xrealloc ((p), (n) * sizeof(tp)))
-#define LT_DLGNUNET_free(p)                                             \
-        LT_STMT_START { if (p) (p) = (xfree (p), (lt_ptr) 0); } LT_STMT_END
-
-#define LT_EGNUNET_malloc(tp, n)        ((tp *) xmalloc ((n) * sizeof(tp)))
-#define LT_EREALLOC(tp, p, n)   ((tp *) xrealloc ((p), (n) * sizeof(tp)))
-
-#else
-
-#define LT_DLGNUNET_malloc(tp, n)       ((tp *) lt_dlmalloc ((n) * sizeof(tp)))
-#define LT_DLREALLOC(tp, p, n)  ((tp *) lt_dlrealloc ((p), (n) * sizeof(tp)))
-#define LT_DLGNUNET_free(p)                                             \
-        LT_STMT_START { if (p) (p) = (lt_dlfree (p), (lt_ptr) 0); } LT_STMT_END
-
-#define LT_EGNUNET_malloc(tp, n)        ((tp *) lt_emalloc ((n) * sizeof(tp)))
-#define LT_EREALLOC(tp, p, n)   ((tp *) lt_erealloc ((p), (n) * sizeof(tp)))
-
-#endif
-
-#define LT_DLMEM_REASSIGN(p, q)                 LT_STMT_START { \
-        if ((p) != (q)) { if (p) lt_dlfree (p); (p) = (q); (q) = 0; }   \
-                                                } LT_STMT_END
-
-
-/* --- REPLACEMENT FUNCTIONS --- */
-
-
-#undef strdup
-#define strdup rpl_strdup
-
-     static char *strdup LT_PARAMS ((const char *str));
-
-     static char *strdup (str)
-     const char *str;
-{
-  char *tmp = 0;
-
-  if (str)
-    {
-      tmp = LT_DLGNUNET_malloc (char, 1 + strlen (str));
-      if (tmp)
-        {
-          strcpy (tmp, str);
-        }
-    }
-
-  return tmp;
-}
-
-
-#if ! HAVE_STRCMP
-
-#undef strcmp
-#define strcmp rpl_strcmp
-
-static int strcmp LT_PARAMS ((const char *str1, const char *str2));
-
-static int
-strcmp (str1, str2)
-     const char *str1;
-     const char *str2;
-{
-  if (str1 == str2)
-    return 0;
-  if (str1 == 0)
-    return -1;
-  if (str2 == 0)
-    return 1;
-
-  for (; *str1 && *str2; ++str1, ++str2)
-    {
-      if (*str1 != *str2)
-        break;
-    }
-
-  return (int) (*str1 - *str2);
-}
-#endif
-
-
-#if ! HAVE_STRCHR
-
-#  if HAVE_INDEX
-#    define strchr index
-#  else
-#    define strchr rpl_strchr
-
-static const char *strchr LT_PARAMS ((const char *str, int ch));
-
-static const char *
-strchr (str, ch)
-     const char *str;
-     int ch;
-{
-  const char *p;
-
-  for (p = str; *p != (char) ch && *p != LT_EOS_CHAR; ++p)
-     /*NOWORK*/;
-
-  return (*p == (char) ch) ? p : 0;
-}
-
-#  endif
-#endif /* !HAVE_STRCHR */
-
-
-#if ! HAVE_STRRCHR
-
-#  if HAVE_RINDEX
-#    define strrchr rindex
-#  else
-#    define strrchr rpl_strrchr
-
-static const char *strrchr LT_PARAMS ((const char *str, int ch));
-
-static const char *
-strrchr (str, ch)
-     const char *str;
-     int ch;
-{
-  const char *p, *q = 0;
-
-  for (p = str; *p != LT_EOS_CHAR; ++p)
-    {
-      if (*p == (char) ch)
-        {
-          q = p;
-        }
-    }
-
-  return q;
-}
-
-# endif
-#endif
-
-/* NOTE:  Neither bcopy nor the memcpy implementation below can
-          reliably handle copying in overlapping areas of memory.  Use
-          memmove (for which there is a fallback implmentation below)
-          if you need that behaviour.  */
-#if ! HAVE_MEMCPY
-
-#  if HAVE_BCOPY
-#    define memcpy(dest, src, size)     bcopy (src, dest, size)
-#  else
-#    define memcpy rpl_memcpy
-
-static lt_ptr memcpy LT_PARAMS ((lt_ptr dest, const lt_ptr src, size_t size));
-
-static lt_ptr
-memcpy (dest, src, size)
-     lt_ptr dest;
-     const lt_ptr src;
-     size_t size;
-{
-  size_t i = 0;
-
-  for (i = 0; i < size; ++i)
-    {
-      dest[i] = src[i];
-    }
-
-  return dest;
-}
-
-#  endif /* !HAVE_BCOPY */
-#endif /* !HAVE_MEMCPY */
-
-#if ! HAVE_MEMMOVE
-#  define memmove rpl_memmove
-
-static lt_ptr memmove
-LT_PARAMS ((lt_ptr dest, const lt_ptr src, size_t size));
-
-static lt_ptr
-memmove (dest, src, size)
-     lt_ptr dest;
-     const lt_ptr src;
-     size_t size;
-{
-  size_t i;
-
-  if (dest < src)
-    for (i = 0; i < size; ++i)
-      {
-        dest[i] = src[i];
-      }
-  else if (dest > src)
-    for (i = size - 1; i >= 0; --i)
-      {
-        dest[i] = src[i];
-      }
-
-  return dest;
-}
-
-#endif /* !HAVE_MEMMOVE */
-
-#ifdef LT_USE_WINDOWS_DIRENT_EMULATION
-
-static void closedir LT_PARAMS ((DIR * entry));
-
-static void
-closedir (entry)
-     DIR *entry;
-{
-  assert (entry != (DIR *) NULL);
-  FindClose (entry->hSearch);
-  lt_dlfree ((lt_ptr) entry);
-}
-
-
-static DIR *opendir LT_PARAMS ((const char *path));
-
-static DIR *
-opendir (path)
-     const char *path;
-{
-  char file_specification[LT_FILENAME_MAX];
-  DIR *entry;
-
-  assert (path != (char *) NULL);
-  (void) strncpy (file_specification, path, LT_FILENAME_MAX - 1);
-  (void) strcat (file_specification, "\\");
-  entry = LT_DLGNUNET_malloc (DIR, sizeof (DIR));
-  if (entry != (DIR *) 0)
-    {
-      entry->firsttime = TRUE;
-      entry->hSearch =
-        FindFirstFile (file_specification, &entry->Win32FindData);
-    }
-  if (entry->hSearch == INVALID_HANDLE_VALUE)
-    {
-      (void) strcat (file_specification, "\\*.*");
-      entry->hSearch =
-        FindFirstFile (file_specification, &entry->Win32FindData);
-      if (entry->hSearch == INVALID_HANDLE_VALUE)
-        {
-          LT_DLGNUNET_free (entry);
-          return (DIR *) 0;
-        }
-    }
-  return (entry);
-}
-
-
-static struct dirent *readdir LT_PARAMS ((DIR * entry));
-
-static struct dirent *
-readdir (entry)
-     DIR *entry;
-{
-  int status;
-
-  if (entry == (DIR *) 0)
-    return ((struct dirent *) 0);
-  if (!entry->firsttime)
-    {
-      status = FindNextFile (entry->hSearch, &entry->Win32FindData);
-      if (status == 0)
-        return ((struct dirent *) 0);
-    }
-  entry->firsttime = FALSE;
-  (void) strncpy (entry->file_info.d_name, entry->Win32FindData.cFileName,
-                  LT_FILENAME_MAX - 1);
-  entry->file_info.d_namlen = strlen (entry->file_info.d_name);
-  return (&entry->file_info);
-}
-
-#endif /* LT_USE_WINDOWS_DIRENT_EMULATION */
-
-/* According to Alexandre Oliva <oliva@lsd.ic.unicamp.br>,
-    ``realloc is not entirely portable''
-   In any case we want to use the allocator supplied by the user without
-   burdening them with an lt_dlrealloc function pointer to maintain.
-   Instead implement our own version (with known boundary conditions)
-   using lt_dlmalloc and lt_dlfree. */
-
-/* #undef realloc
-   #define realloc rpl_realloc
-*/
-#if 0
-  /* You can't (re)define realloc unless you also (re)define malloc.
-     Right now, this code uses the size of the *destination* to decide
-     how much to copy.  That's not right, but you can't know the size
-     of the source unless you know enough about, or wrote malloc.  So
-     this code is disabled... */
-
-static lt_ptr
-realloc (ptr, size)
-     lt_ptr ptr;
-     size_t size;
-{
-  if (size == 0)
-    {
-      /* For zero or less bytes, free the original memory */
-      if (ptr != 0)
-        {
-          lt_dlfree (ptr);
-        }
-
-      return (lt_ptr) 0;
-    }
-  else if (ptr == 0)
-    {
-      /* Allow reallocation of a NULL pointer.  */
-      return lt_dlmalloc (size);
-    }
-  else
-    {
-      /* Allocate a new block, copy and free the old block.  */
-      lt_ptr mem = lt_dlmalloc (size);
-
-      if (mem)
-        {
-          memcpy (mem, ptr, size);
-          lt_dlfree (ptr);
-        }
-
-      /* Note that the contents of PTR are not damaged if there is
-         insufficient memory to realloc.  */
-      return mem;
-    }
-}
-#endif
-
-
-#if ! HAVE_ARGZ_APPEND
-#  define argz_append rpl_argz_append
-
-static error_t argz_append LT_PARAMS ((char **pargz, size_t * pargz_len,
-                                       const char *buf, size_t buf_len));
-
-static error_t
-argz_append (pargz, pargz_len, buf, buf_len)
-     char **pargz;
-     size_t *pargz_len;
-     const char *buf;
-     size_t buf_len;
-{
-  size_t argz_len;
-  char *argz;
-
-  assert (pargz);
-  assert (pargz_len);
-  assert ((*pargz && *pargz_len) || (!*pargz && !*pargz_len));
-
-  /* If nothing needs to be appended, no more work is required.  */
-  if (buf_len == 0)
-    return 0;
-
-  /* Ensure there is enough room to append BUF_LEN.  */
-  argz_len = *pargz_len + buf_len;
-  argz = LT_DLREALLOC (char, *pargz, argz_len);
-  if (!argz)
-    return ENOMEM;
-
-  /* Copy characters from BUF after terminating '\0' in ARGZ.  */
-  memcpy (argz + *pargz_len, buf, buf_len);
-
-  /* Assign new values.  */
-  *pargz = argz;
-  *pargz_len = argz_len;
-
-  return 0;
-}
-#endif /* !HAVE_ARGZ_APPEND */
-
-
-#if ! HAVE_ARGZ_CREATE_SEP
-#  define argz_create_sep rpl_argz_create_sep
-
-static error_t argz_create_sep LT_PARAMS ((const char *str, int delim,
-                                           char **pargz, size_t * pargz_len));
-
-static error_t
-argz_create_sep (str, delim, pargz, pargz_len)
-     const char *str;
-     int delim;
-     char **pargz;
-     size_t *pargz_len;
-{
-  size_t argz_len;
-  char *argz = 0;
-
-  assert (str);
-  assert (pargz);
-  assert (pargz_len);
-
-  /* Make a copy of STR, but replacing each occurence of
-     DELIM with '\0'.  */
-  argz_len = 1 + LT_STRLEN (str);
-  if (argz_len)
-    {
-      const char *p;
-      char *q;
-
-      argz = LT_DLGNUNET_malloc (char, argz_len);
-      if (!argz)
-        return ENOMEM;
-
-      for (p = str, q = argz; *p != LT_EOS_CHAR; ++p)
-        {
-          if (*p == delim)
-            {
-              /* Ignore leading delimiters, and fold consecutive
-                 delimiters in STR into a single '\0' in ARGZ.  */
-              if ((q > argz) && (q[-1] != LT_EOS_CHAR))
-                *q++ = LT_EOS_CHAR;
-              else
-                --argz_len;
-            }
-          else
-            *q++ = *p;
-        }
-      /* Copy terminating LT_EOS_CHAR.  */
-      *q = *p;
-    }
-
-  /* If ARGZ_LEN has shrunk to nothing, release ARGZ's memory.  */
-  if (!argz_len)
-    LT_DLGNUNET_free (argz);
-
-  /* Assign new values.  */
-  *pargz = argz;
-  *pargz_len = argz_len;
-
-  return 0;
-}
-#endif /* !HAVE_ARGZ_CREATE_SEP */
-
-
-#if ! HAVE_ARGZ_INSERT
-#  define argz_insert rpl_argz_insert
-
-static error_t argz_insert LT_PARAMS ((char **pargz, size_t * pargz_len,
-                                       char *before, const char *entry));
-
-static error_t
-argz_insert (pargz, pargz_len, before, entry)
-     char **pargz;
-     size_t *pargz_len;
-     char *before;
-     const char *entry;
-{
-  assert (pargz);
-  assert (pargz_len);
-  assert (entry && *entry);
-
-  /* No BEFORE address indicates ENTRY should be inserted after the
-     current last element.  */
-  if (!before)
-    return argz_append (pargz, pargz_len, entry, 1 + LT_STRLEN (entry));
-
-  /* This probably indicates a programmer error, but to preserve
-     semantics, scan back to the start of an entry if BEFORE points
-     into the middle of it.  */
-  while ((before > *pargz) && (before[-1] != LT_EOS_CHAR))
-    --before;
-
-  {
-    size_t entry_len = 1 + LT_STRLEN (entry);
-    size_t argz_len = *pargz_len + entry_len;
-    size_t offset = before - *pargz;
-    char *argz = LT_DLREALLOC (char, *pargz, argz_len);
-
-    if (!argz)
-      return ENOMEM;
-
-    /* Make BEFORE point to the equivalent offset in ARGZ that it
-       used to have in *PARGZ incase realloc() moved the block.  */
-    before = argz + offset;
-
-    /* Move the ARGZ entries starting at BEFORE up into the new
-       space at the end -- making room to copy ENTRY into the
-       resulting gap.  */
-    memmove (before + entry_len, before, *pargz_len - offset);
-    memcpy (before, entry, entry_len);
-
-    /* Assign new values.  */
-    *pargz = argz;
-    *pargz_len = argz_len;
-  }
-
-  return 0;
-}
-#endif /* !HAVE_ARGZ_INSERT */
-
-
-#if ! HAVE_ARGZ_NEXT
-#  define argz_next rpl_argz_next
-
-static char *argz_next LT_PARAMS ((char *argz, size_t argz_len,
-                                   const char *entry));
-
-static char *
-argz_next (argz, argz_len, entry)
-     char *argz;
-     size_t argz_len;
-     const char *entry;
-{
-  assert ((argz && argz_len) || (!argz && !argz_len));
-
-  if (entry)
-    {
-      /* Either ARGZ/ARGZ_LEN is empty, or ENTRY points into an address
-         within the ARGZ vector.  */
-      assert ((!argz && !argz_len)
-              || ((argz <= entry) && (entry < (argz + argz_len))));
-
-      /* Move to the char immediately after the terminating
-         '\0' of ENTRY.  */
-      entry = 1 + strchr (entry, LT_EOS_CHAR);
-
-      /* Return either the new ENTRY, or else NULL if ARGZ is
-         exhausted.  */
-      return (entry >= argz + argz_len) ? 0 : (char *) entry;
-    }
-  else
-    {
-      /* This should probably be flagged as a programmer error,
-         since starting an argz_next loop with the iterator set
-         to ARGZ is safer.  To preserve semantics, handle the NULL
-         case by returning the start of ARGZ (if any).  */
-      if (argz_len > 0)
-        return argz;
-      else
-        return 0;
-    }
-}
-#endif /* !HAVE_ARGZ_NEXT */
-
-
-
-#if ! HAVE_ARGZ_STRINGIFY
-#  define argz_stringify rpl_argz_stringify
-
-static void argz_stringify LT_PARAMS ((char *argz, size_t argz_len, int sep));
-
-static void
-argz_stringify (argz, argz_len, sep)
-     char *argz;
-     size_t argz_len;
-     int sep;
-{
-  assert ((argz && argz_len) || (!argz && !argz_len));
-
-  if (sep)
-    {
-      --argz_len;               /* don't stringify the terminating EOS */
-      while (--argz_len > 0)
-        {
-          if (argz[argz_len] == LT_EOS_CHAR)
-            argz[argz_len] = sep;
-        }
-    }
-}
-#endif /* !HAVE_ARGZ_STRINGIFY */
-
-
-
-
-/* --- TYPE DEFINITIONS -- */
-
-
-/* This type is used for the array of caller data sets in each handler. */
-typedef struct
-{
-  lt_dlcaller_id key;
-  lt_ptr data;
-} lt_caller_data;
-
-
-
-
-/* --- OPAQUE STRUCTURES DECLARED IN LTDL.H --- */
-
-
-/* Extract the diagnostic strings from the error table macro in the same
-   order as the enumerated indices in ltdl.h. */
-
-static const char *lt_dlerror_strings[] = {
-#define LT_ERROR(name, diagnostic)      (diagnostic),
-  lt_dlerror_table
-#undef LT_ERROR
-  0
-};
-
-/* This structure is used for the list of registered loaders. */
-struct lt_dlloader
-{
-  struct lt_dlloader *next;
-  const char *loader_name;      /* identifying name for each loader */
-  const char *sym_prefix;       /* prefix for symbols */
-  lt_module_open *module_open;
-  lt_module_close *module_close;
-  lt_find_sym *find_sym;
-  lt_dlloader_exit *dlloader_exit;
-  lt_user_data dlloader_data;
-};
-
-struct lt_dlhandle_struct
-{
-  struct lt_dlhandle_struct *next;
-  lt_dlloader *loader;          /* dlopening interface */
-  lt_dlinfo info;
-  int depcount;                 /* number of dependencies */
-  lt_dlhandle *deplibs;         /* dependencies */
-  lt_module module;             /* system module handle */
-  lt_ptr system;                /* system specific data */
-  lt_caller_data *caller_data;  /* per caller associated data */
-  int flags;                    /* various boolean stats */
-};
-
-/* Various boolean flags can be stored in the flags field of an
-   lt_dlhandle_struct... */
-#define LT_DLGET_FLAG(handle, flag) (((handle)->flags & (flag)) == (flag))
-#define LT_DLSET_FLAG(handle, flag) ((handle)->flags |= (flag))
-
-#define LT_DLRESIDENT_FLAG          (0x01 << 0)
-/* ...add more flags here... */
-
-#define LT_DLIS_RESIDENT(handle)    LT_DLGET_FLAG(handle, LT_DLRESIDENT_FLAG)
-
-
-#define LT_DLSTRERROR(name)     lt_dlerror_strings[LT_CONC(LT_ERROR_,name)]
-
-static const char objdir[] = LTDL_OBJDIR;
-static const char archive_ext[] = LTDL_ARCHIVE_EXT;
-#ifdef  LTDL_SHLIB_EXT
-static const char shlib_ext[] = LTDL_SHLIB_EXT;
-#endif
-#ifdef  LTDL_SYSSEARCHPATH
-static const char sys_search_path[] = LTDL_SYSSEARCHPATH;
-#endif
-
-
-
-
-/* --- GNUNET_Mutex LOCKING --- */
-
-
-/* Macros to make it easier to run the lock functions only if they have
-   been registered.  The reason for the complicated lock macro is to
-   ensure that the stored error message from the last error is not
-   accidentally erased if the current function doesn't generate an
-   error of its own.  */
-#define LT_DLGNUNET_mutex_lock()                        LT_STMT_START { \
-        if (lt_dlmutex_lock_func) (*lt_dlmutex_lock_func)();    \
-                                                } LT_STMT_END
-#define LT_DLMUTEX_UNLOCK()                     LT_STMT_START { \
-        if (lt_dlmutex_unlock_func) (*lt_dlmutex_unlock_func)();\
-                                                } LT_STMT_END
-#define LT_DLMUTEX_SETERROR(errormsg)           LT_STMT_START { \
-        if (lt_dlmutex_seterror_func)                           \
-                (*lt_dlmutex_seterror_func) (errormsg);         \
-        else    lt_dllast_error = (errormsg);   } LT_STMT_END
-#define LT_DLMUTEX_GETERROR(errormsg)           LT_STMT_START { \
-        if (lt_dlmutex_seterror_func)                           \
-                (errormsg) = (*lt_dlmutex_geterror_func) ();    \
-        else    (errormsg) = lt_dllast_error;   } LT_STMT_END
-
-/* The mutex functions stored here are global, and are necessarily the
-   same for all threads that wish to share access to libltdl.  */
-static lt_dlmutex_lock *lt_dlmutex_lock_func = 0;
-static lt_dlmutex_unlock *lt_dlmutex_unlock_func = 0;
-static lt_dlmutex_seterror *lt_dlmutex_seterror_func = 0;
-static lt_dlmutex_geterror *lt_dlmutex_geterror_func = 0;
-static const char *lt_dllast_error = 0;
-
-
-/* Either set or reset the mutex functions.  Either all the arguments must
-   be valid functions, or else all can be NULL to turn off locking entirely.
-   The registered functions should be manipulating a static global lock
-   from the lock() and unlock() callbacks, which needs to be reentrant.  */
-int
-lt_dlmutex_register (lock, unlock, seterror, geterror)
-     lt_dlmutex_lock *lock;
-     lt_dlmutex_unlock *unlock;
-     lt_dlmutex_seterror *seterror;
-     lt_dlmutex_geterror *geterror;
-{
-  lt_dlmutex_unlock *old_unlock = unlock;
-  int errors = 0;
-
-  /* Lock using the old lock() callback, if any.  */
-  LT_DLGNUNET_mutex_lock ();
-
-  if ((lock && unlock && seterror && geterror)
-      || !(lock || unlock || seterror || geterror))
-    {
-      lt_dlmutex_lock_func = lock;
-      lt_dlmutex_unlock_func = unlock;
-      lt_dlmutex_geterror_func = geterror;
-    }
-  else
-    {
-      LT_DLMUTEX_SETERROR (LT_DLSTRERROR (INVALID_MUTEX_ARGS));
-      ++errors;
-    }
-
-  /* Use the old unlock() callback we saved earlier, if any.  Otherwise
-     record any errors using internal storage.  */
-  if (old_unlock)
-    (*old_unlock) ();
-
-  /* Return the number of errors encountered during the execution of
-     this function.  */
-  return errors;
-}
-
-
-
-
-/* --- ERROR HANDLING --- */
-
-
-static const char **user_error_strings = 0;
-static int errorcount = LT_ERROR_MAX;
-
-int
-lt_dladderror (diagnostic)
-     const char *diagnostic;
-{
-  int errindex = 0;
-  int result = -1;
-  const char **temp = (const char **) 0;
-
-  assert (diagnostic);
-
-  LT_DLGNUNET_mutex_lock ();
-
-  errindex = errorcount - LT_ERROR_MAX;
-  temp = LT_EREALLOC (const char *, user_error_strings, 1 + errindex);
-  if (temp)
-    {
-      user_error_strings = temp;
-      user_error_strings[errindex] = diagnostic;
-      result = errorcount++;
-    }
-
-  LT_DLMUTEX_UNLOCK ();
-
-  return result;
-}
-
-int
-lt_dlseterror (errindex)
-     int errindex;
-{
-  int errors = 0;
-
-  LT_DLGNUNET_mutex_lock ();
-
-  if (errindex >= errorcount || errindex < 0)
-    {
-      /* Ack!  Error setting the error message! */
-      LT_DLMUTEX_SETERROR (LT_DLSTRERROR (INVALID_ERRORCODE));
-      ++errors;
-    }
-  else if (errindex < LT_ERROR_MAX)
-    {
-      /* No error setting the error message! */
-      LT_DLMUTEX_SETERROR (lt_dlerror_strings[errindex]);
-    }
-  else
-    {
-      /* No error setting the error message! */
-      LT_DLMUTEX_SETERROR (user_error_strings[errindex - LT_ERROR_MAX]);
-    }
-
-  LT_DLMUTEX_UNLOCK ();
-
-  return errors;
-}
-
-static lt_ptr
-lt_emalloc (size)
-     size_t size;
-{
-  lt_ptr mem = lt_dlmalloc (size);
-  if (size && !mem)
-    LT_DLMUTEX_SETERROR (LT_DLSTRERROR (NO_MEMORY));
-  return mem;
-}
-
-static lt_ptr
-lt_erealloc (addr, size)
-     lt_ptr addr;
-     size_t size;
-{
-  lt_ptr mem = lt_dlrealloc (addr, size);
-  if (size && !mem)
-    LT_DLMUTEX_SETERROR (LT_DLSTRERROR (NO_MEMORY));
-  return mem;
-}
-
-static char *
-lt_estrdup (str)
-     const char *str;
-{
-  char *copy = strdup (str);
-  if (LT_STRLEN (str) && !copy)
-    LT_DLMUTEX_SETERROR (LT_DLSTRERROR (NO_MEMORY));
-  return copy;
-}
-
-
-
-
-/* --- DLOPEN() INTERFACE LOADER --- */
-
-
-#if HAVE_LIBDL
-
-/* dynamic linking with dlopen/dlsym */
-
-#if HAVE_DLFCN_H
-#  include <dlfcn.h>
-#endif
-
-#if HAVE_SYS_DL_H
-#  include <sys/dl.h>
-#endif
-
-/* We may have to define LT_LAZY_OR_NOW in the command line if we
-   find out it does not work in some platform. */
-#ifndef LT_LAZY_OR_NOW
-#  ifdef RTLD_LAZY
-#    define LT_LAZY_OR_NOW      RTLD_LAZY
-#  else
-#    ifdef DL_LAZY
-#      define LT_LAZY_OR_NOW    DL_LAZY
-#    endif
-#  endif /* !RTLD_LAZY */
-#endif
-#ifndef LT_LAZY_OR_NOW
-#  ifdef RTLD_NOW
-#    define LT_LAZY_OR_NOW      RTLD_NOW
-#  else
-#    ifdef DL_NOW
-#      define LT_LAZY_OR_NOW    DL_NOW
-#    endif
-#  endif /* !RTLD_NOW */
-#endif
-#ifndef LT_LAZY_OR_NOW
-#  define LT_LAZY_OR_NOW        0
-#endif /* !LT_LAZY_OR_NOW */
-
-#if HAVE_DLERROR
-#  define DLERROR(arg)  dlerror ()
-#else
-#  define DLERROR(arg)  LT_DLSTRERROR (arg)
-#endif
-
-static lt_module
-sys_dl_open (loader_data, filename)
-     lt_user_data loader_data;
-     const char *filename;
-{
-  lt_module module = dlopen (filename, LT_LAZY_OR_NOW);
-
-  if (!module)
-    {
-      LT_DLMUTEX_SETERROR (DLERROR (CANNOT_OPEN));
-    }
-
-  return module;
-}
-
-static int
-sys_dl_close (loader_data, module)
-     lt_user_data loader_data;
-     lt_module module;
-{
-  int errors = 0;
-
-  if (dlclose (module) != 0)
-    {
-      LT_DLMUTEX_SETERROR (DLERROR (CANNOT_CLOSE));
-      ++errors;
-    }
-
-  return errors;
-}
-
-static lt_ptr
-sys_dl_sym (loader_data, module, symbol)
-     lt_user_data loader_data;
-     lt_module module;
-     const char *symbol;
-{
-  lt_ptr address = dlsym (module, symbol);
-
-  if (!address)
-    {
-      LT_DLMUTEX_SETERROR (DLERROR (SYMBOL_NOT_FOUND));
-    }
-
-  return address;
-}
-
-static struct lt_user_dlloader sys_dl = {
-#  ifdef NEED_USCORE
-  "_",
-#  else
-  0,
-#  endif
-  sys_dl_open, sys_dl_close, sys_dl_sym, 0, 0
-};
-
-
-#endif /* HAVE_LIBDL */
-
-
-
-/* --- SHL_LOAD() INTERFACE LOADER --- */
-
-#if HAVE_SHL_LOAD
-
-/* dynamic linking with shl_load (HP-UX) (comments from gmodule) */
-
-#ifdef HAVE_DL_H
-#  include <dl.h>
-#endif
-
-/* some flags are missing on some systems, so we provide
- * harmless defaults.
- *
- * Mandatory:
- * BIND_IMMEDIATE  - Resolve symbol references when the library is loaded.
- * BIND_DEFERRED   - Delay code symbol resolution until actual reference.
- *
- * Optionally:
- * BIND_FIRST      - Place the library at the head of the symbol search
- *                   order.
- * BIND_NONFATAL   - The default BIND_IMMEDIATE behavior is to treat all
- *                   unsatisfied symbols as fatal.  This flag allows
- *                   binding of unsatisfied code symbols to be deferred
- *                   until use.
- *                   [Perl: For certain libraries, like DCE, deferred
- *                   binding often causes run time problems. Adding
- *                   BIND_NONFATAL to BIND_IMMEDIATE still allows
- *                   unresolved references in situations like this.]
- * BIND_NOSTART    - Do not call the initializer for the shared library
- *                   when the library is loaded, nor on a future call to
- *                   shl_unload().
- * BIND_VERBOSE    - Print verbose messages concerning possible
- *                   unsatisfied symbols.
- *
- * hp9000s700/hp9000s800:
- * BIND_RESTRICTED - Restrict symbols visible by the library to those
- *                   present at library load time.
- * DYNAMIC_PATH    - Allow the loader to dynamically search for the
- *                   library specified by the path argument.
- */
-
-#ifndef DYNAMIC_PATH
-#  define DYNAMIC_PATH          0
-#endif
-#ifndef BIND_RESTRICTED
-#  define BIND_RESTRICTED       0
-#endif
-
-#define LT_BIND_FLAGS   (BIND_IMMEDIATE | BIND_NONFATAL | DYNAMIC_PATH)
-
-static lt_module
-sys_shl_open (loader_data, filename)
-     lt_user_data loader_data;
-     const char *filename;
-{
-  static shl_t self = (shl_t) 0;
-  lt_module module = shl_load (filename, LT_BIND_FLAGS, 0L);
-
-  /* Since searching for a symbol against a NULL module handle will also
-     look in everything else that was already loaded and exported with
-     the -E compiler flag, we always cache a handle saved before any
-     modules are loaded.  */
-  if (!self)
-    {
-      lt_ptr address;
-      shl_findsym (&self, "main", TYPE_UNDEFINED, &address);
-    }
-
-  if (!filename)
-    {
-      module = self;
-    }
-  else
-    {
-      module = shl_load (filename, LT_BIND_FLAGS, 0L);
-
-      if (!module)
-        {
-          LT_DLMUTEX_SETERROR (LT_DLSTRERROR (CANNOT_OPEN));
-        }
-    }
-
-  return module;
-}
-
-static int
-sys_shl_close (loader_data, module)
-     lt_user_data loader_data;
-     lt_module module;
-{
-  int errors = 0;
-
-  if (module && (shl_unload ((shl_t) (module)) != 0))
-    {
-      LT_DLMUTEX_SETERROR (LT_DLSTRERROR (CANNOT_CLOSE));
-      ++errors;
-    }
-
-  return errors;
-}
-
-static lt_ptr
-sys_shl_sym (loader_data, module, symbol)
-     lt_user_data loader_data;
-     lt_module module;
-     const char *symbol;
-{
-  lt_ptr address = 0;
-
-  /* sys_shl_open should never return a NULL module handle */
-  if (module == (lt_module) 0)
-    {
-      LT_DLMUTEX_SETERROR (LT_DLSTRERROR (INVALID_HANDLE));
-    }
-  else
-    if (!shl_findsym ((shl_t *) & module, symbol, TYPE_UNDEFINED, &address))
-    {
-      if (!address)
-        {
-          LT_DLMUTEX_SETERROR (LT_DLSTRERROR (SYMBOL_NOT_FOUND));
-        }
-    }
-
-  return address;
-}
-
-static struct lt_user_dlloader sys_shl = {
-  0, sys_shl_open, sys_shl_close, sys_shl_sym, 0, 0
-};
-
-#endif /* HAVE_SHL_LOAD */
-
-
-
-
-/* --- LOADLIBRARY() INTERFACE LOADER --- */
-
-#ifdef __WINDOWS__
-
-/* dynamic linking for Win32 */
-
-#include <windows.h>
-
-/* Forward declaration; required to implement handle search below. */
-static lt_dlhandle handles;
-
-static lt_module
-sys_wll_open (loader_data, filename)
-     lt_user_data loader_data;
-     const char *filename;
-{
-  lt_dlhandle cur;
-  lt_module module = 0;
-  const char *errormsg = 0;
-  char *searchname = 0;
-  char *ext;
-  char self_name_buf[MAX_PATH];
-
-  if (!filename)
-    {
-      /* Get the name of main module */
-      *self_name_buf = 0;
-      GetModuleFileName (NULL, self_name_buf, sizeof (self_name_buf));
-      filename = ext = self_name_buf;
-    }
-  else
-    {
-      ext = strrchr (filename, '.');
-    }
-
-  if (ext)
-    {
-      /* FILENAME already has an extension. */
-      searchname = lt_estrdup (filename);
-    }
-  else
-    {
-      /* Append a `.' to stop Windows from adding an
-         implicit `.dll' extension. */
-      searchname = LT_EGNUNET_malloc (char, 2 + LT_STRLEN (filename));
-      if (searchname)
-        sprintf (searchname, "%s.", filename);
-    }
-  if (!searchname)
-    return 0;
-
-#if __CYGWIN__
-  {
-    char wpath[MAX_PATH];
-    cygwin_conv_to_full_win32_path (searchname, wpath);
-    module = LoadLibrary (wpath);
-  }
-#else
-  module = LoadLibrary (searchname);
-#endif
-  LT_DLGNUNET_free (searchname);
-
-  /* libltdl expects this function to fail if it is unable
-     to physically load the library.  Sadly, LoadLibrary
-     will search the loaded libraries for a match and return
-     one of them if the path search load fails.
-
-     We check whether LoadLibrary is returning a handle to
-     an already loaded module, and simulate failure if we
-     find one. */
-  LT_DLGNUNET_mutex_lock ();
-  cur = handles;
-  while (cur)
-    {
-      if (!cur->module)
-        {
-          cur = 0;
-          break;
-        }
-
-      if (cur->module == module)
-        {
-          break;
-        }
-
-      cur = cur->next;
-    }
-  LT_DLMUTEX_UNLOCK ();
-
-  if (cur || !module)
-    {
-      LT_DLMUTEX_SETERROR (LT_DLSTRERROR (CANNOT_OPEN));
-      module = 0;
-    }
-
-  return module;
-}
-
-static int
-sys_wll_close (loader_data, module)
-     lt_user_data loader_data;
-     lt_module module;
-{
-  int errors = 0;
-
-  if (FreeLibrary (module) == 0)
-    {
-      LT_DLMUTEX_SETERROR (LT_DLSTRERROR (CANNOT_CLOSE));
-      ++errors;
-    }
-
-  return errors;
-}
-
-static lt_ptr
-sys_wll_sym (loader_data, module, symbol)
-     lt_user_data loader_data;
-     lt_module module;
-     const char *symbol;
-{
-  lt_ptr address = GetProcAddress (module, symbol);
-
-  if (!address)
-    {
-      LT_DLMUTEX_SETERROR (LT_DLSTRERROR (SYMBOL_NOT_FOUND));
-    }
-
-  return address;
-}
-
-static struct lt_user_dlloader sys_wll = {
-  0, sys_wll_open, sys_wll_close, sys_wll_sym, 0, 0
-};
-
-#endif /* __WINDOWS__ */
-
-
-
-
-/* --- LOAD_ADD_ON() INTERFACE LOADER --- */
-
-
-#ifdef __BEOS__
-
-/* dynamic linking for BeOS */
-
-#include <kernel/image.h>
-
-static lt_module
-sys_bedl_open (loader_data, filename)
-     lt_user_data loader_data;
-     const char *filename;
-{
-  image_id image = 0;
-
-  if (filename)
-    {
-      image = load_add_on (filename);
-    }
-  else
-    {
-      image_info info;
-      int32 cookie = 0;
-      if (get_next_image_info (0, &cookie, &info) == B_OK)
-        image = load_add_on (info.name);
-    }
-
-  if (image <= 0)
-    {
-      LT_DLMUTEX_SETERROR (LT_DLSTRERROR (CANNOT_OPEN));
-      image = 0;
-    }
-
-  return (lt_module) image;
-}
-
-static int
-sys_bedl_close (loader_data, module)
-     lt_user_data loader_data;
-     lt_module module;
-{
-  int errors = 0;
-
-  if (unload_add_on ((image_id) module) != B_OK)
-    {
-      LT_DLMUTEX_SETERROR (LT_DLSTRERROR (CANNOT_CLOSE));
-      ++errors;
-    }
-
-  return errors;
-}
-
-static lt_ptr
-sys_bedl_sym (loader_data, module, symbol)
-     lt_user_data loader_data;
-     lt_module module;
-     const char *symbol;
-{
-  lt_ptr address = 0;
-  image_id image = (image_id) module;
-
-  if (get_image_symbol (image, symbol, B_SYMBOL_TYPE_ANY, address) != B_OK)
-    {
-      LT_DLMUTEX_SETERROR (LT_DLSTRERROR (SYMBOL_NOT_FOUND));
-      address = 0;
-    }
-
-  return address;
-}
-
-static struct lt_user_dlloader sys_bedl = {
-  0, sys_bedl_open, sys_bedl_close, sys_bedl_sym, 0, 0
-};
-
-#endif /* __BEOS__ */
-
-
-
-
-/* --- DLD_LINK() INTERFACE LOADER --- */
-
-
-#if HAVE_DLD
-
-/* dynamic linking with dld */
-
-#if HAVE_DLD_H
-#include <dld.h>
-#endif
-
-static lt_module
-sys_dld_open (loader_data, filename)
-     lt_user_data loader_data;
-     const char *filename;
-{
-  lt_module module = strdup (filename);
-
-  if (dld_link (filename) != 0)
-    {
-      LT_DLMUTEX_SETERROR (LT_DLSTRERROR (CANNOT_OPEN));
-      LT_DLGNUNET_free (module);
-      module = 0;
-    }
-
-  return module;
-}
-
-static int
-sys_dld_close (loader_data, module)
-     lt_user_data loader_data;
-     lt_module module;
-{
-  int errors = 0;
-
-  if (dld_unlink_by_file ((char *) (module), 1) != 0)
-    {
-      LT_DLMUTEX_SETERROR (LT_DLSTRERROR (CANNOT_CLOSE));
-      ++errors;
-    }
-  else
-    {
-      LT_DLGNUNET_free (module);
-    }
-
-  return errors;
-}
-
-static lt_ptr
-sys_dld_sym (loader_data, module, symbol)
-     lt_user_data loader_data;
-     lt_module module;
-     const char *symbol;
-{
-  lt_ptr address = dld_get_func (symbol);
-
-  if (!address)
-    {
-      LT_DLMUTEX_SETERROR (LT_DLSTRERROR (SYMBOL_NOT_FOUND));
-    }
-
-  return address;
-}
-
-static struct lt_user_dlloader sys_dld = {
-  0, sys_dld_open, sys_dld_close, sys_dld_sym, 0, 0
-};
-
-#endif /* HAVE_DLD */
-
-/* --- DYLD() MACOSX/DARWIN INTERFACE LOADER --- */
-#if HAVE_DYLD
-
-
-#if HAVE_MACH_O_DYLD_H
-#if !defined(__APPLE_CC__) && !defined(__MWERKS__) && !defined(__private_extern__)
-/* Is this correct? Does it still function properly? */
-#define __private_extern__ extern
-#endif
-# include <mach-o/dyld.h>
-#endif
-#include <mach-o/getsect.h>
-
-/* We have to put some stuff here that isn't in older dyld.h files */
-#ifndef ENUM_DYLD_BOOL
-# define ENUM_DYLD_BOOL
-# undef FALSE
-# undef TRUE
-enum DYLD_BOOL
-{
-  FALSE,
-  TRUE
-};
-#endif
-#ifndef LC_REQ_DYLD
-# define LC_REQ_DYLD 0x80000000
-#endif
-#ifndef LC_LOAD_WEAK_DYLIB
-# define LC_LOAD_WEAK_DYLIB (0x18 | LC_REQ_DYLD)
-#endif
-static const struct mach_header *(*ltdl_NSAddImage) (const char *image_name,
-                                                     unsigned long options) =
-  0;
-static NSSymbol (*ltdl_NSLookupSymbolInImage) (const struct mach_header *
-                                               image, const char *symbolName,
-                                               unsigned long options) = 0;
-static enum DYLD_BOOL (*ltdl_NSIsSymbolNameDefinedInImage) (const struct
-                                                            mach_header *
-                                                            image,
-                                                            const char
-                                                            *symbolName) = 0;
-static enum DYLD_BOOL (*ltdl_NSMakePrivateModulePublic) (NSModule module) = 0;
-
-#ifndef NSADDIMAGE_OPTION_NONE
-#define NSADDIMAGE_OPTION_NONE                          0x0
-#endif
-#ifndef NSADDIMAGE_OPTION_RETURN_ON_ERROR
-#define NSADDIMAGE_OPTION_RETURN_ON_ERROR               0x1
-#endif
-#ifndef NSADDIMAGE_OPTION_WITH_SEARCHING
-#define NSADDIMAGE_OPTION_WITH_SEARCHING                0x2
-#endif
-#ifndef NSADDIMAGE_OPTION_RETURN_ONLY_IF_LOADED
-#define NSADDIMAGE_OPTION_RETURN_ONLY_IF_LOADED         0x4
-#endif
-#ifndef NSADDIMAGE_OPTION_MATCH_FILENAME_BY_INSTALLNAME
-#define NSADDIMAGE_OPTION_MATCH_FILENAME_BY_INSTALLNAME 0x8
-#endif
-#ifndef NSLOOKUPSYMBOLINIMAGE_OPTION_BIND
-#define NSLOOKUPSYMBOLINIMAGE_OPTION_BIND            0x0
-#endif
-#ifndef NSLOOKUPSYMBOLINIMAGE_OPTION_BIND_NOW
-#define NSLOOKUPSYMBOLINIMAGE_OPTION_BIND_NOW        0x1
-#endif
-#ifndef NSLOOKUPSYMBOLINIMAGE_OPTION_BIND_FULLY
-#define NSLOOKUPSYMBOLINIMAGE_OPTION_BIND_FULLY      0x2
-#endif
-#ifndef NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR
-#define NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR 0x4
-#endif
-
-
-static const char *
-lt_int_dyld_error (othererror)
-     char *othererror;
-{
-/* return the dyld error string, or the passed in error string if none */
-  NSLinkEditErrors ler;
-  int lerno;
-  const char *errstr;
-  const char *file;
-  NSLinkEditError (&ler, &lerno, &file, &errstr);
-  if (!errstr || !strlen (errstr))
-    errstr = othererror;
-  return errstr;
-}
-
-static const struct mach_header *
-lt_int_dyld_get_mach_header_from_nsmodule (module)
-     NSModule module;
-{
-/* There should probably be an apple dyld api for this */
-  int i = _dyld_image_count ();
-  int j;
-  const char *modname = NSNameOfModule (module);
-  const struct mach_header *mh = NULL;
-  if (!modname)
-    return NULL;
-  for (j = 0; j < i; j++)
-    {
-      if (!strcmp (_dyld_get_image_name (j), modname))
-        {
-          mh = _dyld_get_image_header (j);
-          break;
-        }
-    }
-  return mh;
-}
-
-static const char *
-lt_int_dyld_lib_install_name (mh)
-     const struct mach_header *mh;
-{
-/* NSAddImage is also used to get the loaded image, but it only works if the lib
-   is installed, for uninstalled libs we need to check the install_names against
-   each other. Note that this is still broken if DYLD_IMAGE_SUFFIX is set and a
-   different lib was loaded as a result
-*/
-  int j;
-  struct load_command *lc;
-  unsigned long offset = sizeof (struct mach_header);
-  const char *retStr = NULL;
-  for (j = 0; j < mh->ncmds; j++)
-    {
-      lc = (struct load_command *) (((unsigned long) mh) + offset);
-      if (LC_ID_DYLIB == lc->cmd)
-        {
-          retStr =
-            (char *) (((struct dylib_command *) lc)->dylib.name.offset +
-                      (unsigned long) lc);
-        }
-      offset += lc->cmdsize;
-    }
-  return retStr;
-}
-
-static const struct mach_header *
-lt_int_dyld_match_loaded_lib_by_install_name (const char *name)
-{
-  int i = _dyld_image_count ();
-  int j;
-  const struct mach_header *mh = NULL;
-  const char *id = NULL;
-  for (j = 0; j < i; j++)
-    {
-      id = lt_int_dyld_lib_install_name (_dyld_get_image_header (j));
-      if ((id) && (!strcmp (id, name)))
-        {
-          mh = _dyld_get_image_header (j);
-          break;
-        }
-    }
-  return mh;
-}
-
-static NSSymbol
-lt_int_dyld_NSlookupSymbolInLinkedLibs (symbol, mh)
-     const char *symbol;
-     const struct mach_header *mh;
-{
-  /* Safe to assume our mh is good */
-  int j;
-  struct load_command *lc;
-  unsigned long offset = sizeof (struct mach_header);
-  NSSymbol retSym = 0;
-  const struct mach_header *mh1;
-  if ((ltdl_NSLookupSymbolInImage) && NSIsSymbolNameDefined (symbol))
-    {
-      for (j = 0; j < mh->ncmds; j++)
-        {
-          lc = (struct load_command *) (((unsigned long) mh) + offset);
-          if ((LC_LOAD_DYLIB == lc->cmd) || (LC_LOAD_WEAK_DYLIB == lc->cmd))
-            {
-              mh1 =
-                lt_int_dyld_match_loaded_lib_by_install_name ((char
-                                                               *) (((struct
-                                                                     dylib_command
-                                                                     *) lc)->
-                                                                   dylib.name.
-                                                                   offset +
-                                                                   (unsigned
-                                                                    long)
-                                                                   lc));
-              if (!mh1)
-                {
-                  /* Maybe NSAddImage can find it */
-                  mh1 =
-                    ltdl_NSAddImage ((char *) (((struct dylib_command *) lc)->
-                                               dylib.name.offset +
-                                               (unsigned long) lc),
-                                     NSADDIMAGE_OPTION_RETURN_ONLY_IF_LOADED
-                                     +
-                                     NSADDIMAGE_OPTION_WITH_SEARCHING +
-                                     NSADDIMAGE_OPTION_RETURN_ON_ERROR);
-                }
-              if (mh1)
-                {
-                  retSym = ltdl_NSLookupSymbolInImage (mh1,
-                                                       symbol,
-                                                       NSLOOKUPSYMBOLINIMAGE_OPTION_BIND_NOW
-                                                       |
-                                                       NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
-                  if (retSym)
-                    break;
-                }
-            }
-          offset += lc->cmdsize;
-        }
-    }
-  return retSym;
-}
-
-static int
-sys_dyld_init ()
-{
-  int retCode = 0;
-  int err = 0;
-  if (!_dyld_present ())
-    {
-      retCode = 1;
-    }
-  else
-    {
-      err =
-        _dyld_func_lookup ("__dyld_NSAddImage",
-                           (unsigned long *) &ltdl_NSAddImage);
-      err =
-        _dyld_func_lookup ("__dyld_NSLookupSymbolInImage",
-                           (unsigned long *) &ltdl_NSLookupSymbolInImage);
-      err =
-        _dyld_func_lookup ("__dyld_NSIsSymbolNameDefinedInImage",
-                           (unsigned long *)
-                           &ltdl_NSIsSymbolNameDefinedInImage);
-      err =
-        _dyld_func_lookup ("__dyld_NSMakePrivateModulePublic",
-                           (unsigned long *) &ltdl_NSMakePrivateModulePublic);
-    }
-  return retCode;
-}
-
-static lt_module
-sys_dyld_open (loader_data, filename)
-     lt_user_data loader_data;
-     const char *filename;
-{
-  lt_module module = 0;
-  NSObjectFileImage ofi = 0;
-  NSObjectFileImageReturnCode ofirc;
-
-  if (!filename)
-    return (lt_module) - 1;
-  ofirc = NSCreateObjectFileImageFromFile (filename, &ofi);
-  switch (ofirc)
-    {
-    case NSObjectFileImageSuccess:
-      module = NSLinkModule (ofi, filename,
-                             NSLINKMODULE_OPTION_RETURN_ON_ERROR
-                             | NSLINKMODULE_OPTION_PRIVATE
-                             | NSLINKMODULE_OPTION_BINDNOW);
-      NSDestroyObjectFileImage (ofi);
-      if (module)
-        ltdl_NSMakePrivateModulePublic (module);
-      break;
-    case NSObjectFileImageInappropriateFile:
-      if (ltdl_NSIsSymbolNameDefinedInImage && ltdl_NSLookupSymbolInImage)
-        {
-          module =
-            (lt_module) ltdl_NSAddImage (filename,
-                                         NSADDIMAGE_OPTION_RETURN_ON_ERROR);
-          break;
-        }
-    default:
-      LT_DLMUTEX_SETERROR (lt_int_dyld_error (LT_DLSTRERROR (CANNOT_OPEN)));
-      return 0;
-    }
-  if (!module)
-    LT_DLMUTEX_SETERROR (lt_int_dyld_error (LT_DLSTRERROR (CANNOT_OPEN)));
-  return module;
-}
-
-static int
-sys_dyld_close (loader_data, module)
-     lt_user_data loader_data;
-     lt_module module;
-{
-  int retCode = 0;
-  int flags = 0;
-  if (module == (lt_module) - 1)
-    return 0;
-#ifdef __BIG_ENDIAN__
-  if (((struct mach_header *) module)->magic == MH_MAGIC)
-#else
-  if (((struct mach_header *) module)->magic == MH_CIGAM)
-#endif
-    {
-      LT_DLMUTEX_SETERROR ("Can not close a dylib");
-      retCode = 1;
-    }
-  else
-    {
-#if 1
-/* Currently, if a module contains c++ static destructors and it is unloaded, we
-   get a segfault in atexit(), due to compiler and dynamic loader differences of
-   opinion, this works around that.
-*/
-      if ((const struct section *) NULL !=
-          getsectbynamefromheader (lt_int_dyld_get_mach_header_from_nsmodule
-                                   (module), "__DATA", "__mod_term_func"))
-        {
-          flags += NSUNLINKMODULE_OPTION_KEEP_MEMORY_MAPPED;
-        }
-#endif
-#ifdef __ppc__
-      flags += NSUNLINKMODULE_OPTION_RESET_LAZY_REFERENCES;
-#endif
-      if (!NSUnLinkModule (module, flags))
-        {
-          retCode = 1;
-          LT_DLMUTEX_SETERROR (lt_int_dyld_error
-                               (LT_DLSTRERROR (CANNOT_CLOSE)));
-        }
-    }
-
-  return retCode;
-}
-
-static lt_ptr
-sys_dyld_sym (loader_data, module, symbol)
-     lt_user_data loader_data;
-     lt_module module;
-     const char *symbol;
-{
-  lt_ptr address = 0;
-  NSSymbol *nssym = 0;
-  void *unused;
-  const struct mach_header *mh = NULL;
-  char saveError[256] = "Symbol not found";
-  if (module == (lt_module) - 1)
-    {
-      _dyld_lookup_and_bind (symbol, (unsigned long *) &address, &unused);
-      return address;
-    }
-#ifdef __BIG_ENDIAN__
-  if (((struct mach_header *) module)->magic == MH_MAGIC)
-#else
-  if (((struct mach_header *) module)->magic == MH_CIGAM)
-#endif
-    {
-      if (ltdl_NSIsSymbolNameDefinedInImage && ltdl_NSLookupSymbolInImage)
-        {
-          mh = module;
-          if (ltdl_NSIsSymbolNameDefinedInImage
-              ((struct mach_header *) module, symbol))
-            {
-              nssym =
-                ltdl_NSLookupSymbolInImage ((struct mach_header *) module,
-                                            symbol,
-                                            NSLOOKUPSYMBOLINIMAGE_OPTION_BIND_NOW
-                                            |
-                                            NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
-            }
-        }
-
-    }
-  else
-    {
-      nssym = NSLookupSymbolInModule (module, symbol);
-    }
-  if (!nssym)
-    {
-      strncpy (saveError,
-               lt_int_dyld_error (LT_DLSTRERROR (SYMBOL_NOT_FOUND)), 255);
-      saveError[255] = 0;
-      if (!mh)
-        mh = lt_int_dyld_get_mach_header_from_nsmodule (module);
-      nssym = lt_int_dyld_NSlookupSymbolInLinkedLibs (symbol, mh);
-    }
-  if (!nssym)
-    {
-      LT_DLMUTEX_SETERROR (saveError);
-      return NULL;
-    }
-  return NSAddressOfSymbol (nssym);
-}
-
-static struct lt_user_dlloader sys_dyld =
-  { "_", sys_dyld_open, sys_dyld_close, sys_dyld_sym, 0, 0 };
-
-
-#endif /* HAVE_DYLD */
-
-
-/* --- DLPREOPEN() INTERFACE LOADER --- */
-
-
-/* emulate dynamic linking using preloaded_symbols */
-
-typedef struct lt_dlsymlists_t
-{
-  struct lt_dlsymlists_t *next;
-  const lt_dlsymlist *syms;
-} lt_dlsymlists_t;
-
-static const lt_dlsymlist *default_preloaded_symbols = 0;
-static lt_dlsymlists_t *preloaded_symbols = 0;
-
-static int
-presym_init (loader_data)
-     lt_user_data loader_data;
-{
-  int errors = 0;
-
-  LT_DLGNUNET_mutex_lock ();
-
-  preloaded_symbols = 0;
-  if (default_preloaded_symbols)
-    {
-      errors = lt_dlpreload (default_preloaded_symbols);
-    }
-
-  LT_DLMUTEX_UNLOCK ();
-
-  return errors;
-}
-
-static int
-presym_free_symlists ()
-{
-  lt_dlsymlists_t *lists;
-
-  LT_DLGNUNET_mutex_lock ();
-
-  lists = preloaded_symbols;
-  while (lists)
-    {
-      lt_dlsymlists_t *tmp = lists;
-
-      lists = lists->next;
-      LT_DLGNUNET_free (tmp);
-    }
-  preloaded_symbols = 0;
-
-  LT_DLMUTEX_UNLOCK ();
-
-  return 0;
-}
-
-static int
-presym_exit (loader_data)
-     lt_user_data loader_data;
-{
-  presym_free_symlists ();
-  return 0;
-}
-
-static int
-presym_add_symlist (preloaded)
-     const lt_dlsymlist *preloaded;
-{
-  lt_dlsymlists_t *tmp;
-  lt_dlsymlists_t *lists;
-  int errors = 0;
-
-  LT_DLGNUNET_mutex_lock ();
-
-  lists = preloaded_symbols;
-  while (lists)
-    {
-      if (lists->syms == preloaded)
-        {
-          goto done;
-        }
-      lists = lists->next;
-    }
-
-  tmp = LT_EGNUNET_malloc (lt_dlsymlists_t, 1);
-  if (tmp)
-    {
-      memset (tmp, 0, sizeof (lt_dlsymlists_t));
-      tmp->syms = preloaded;
-      tmp->next = preloaded_symbols;
-      preloaded_symbols = tmp;
-    }
-  else
-    {
-      ++errors;
-    }
-
-done:
-  LT_DLMUTEX_UNLOCK ();
-  return errors;
-}
-
-static lt_module
-presym_open (loader_data, filename)
-     lt_user_data loader_data;
-     const char *filename;
-{
-  lt_dlsymlists_t *lists;
-  lt_module module = (lt_module) 0;
-
-  LT_DLGNUNET_mutex_lock ();
-  lists = preloaded_symbols;
-
-  if (!lists)
-    {
-      LT_DLMUTEX_SETERROR (LT_DLSTRERROR (NO_SYMBOLS));
-      goto done;
-    }
-
-  /* Can't use NULL as the reflective symbol header, as NULL is
-     used to mark the end of the entire symbol list.  Self-dlpreopened
-     symbols follow this magic number, chosen to be an unlikely
-     clash with a real module name.  */
-  if (!filename)
-    {
-      filename = "@PROGRAM@";
-    }
-
-  while (lists)
-    {
-      const lt_dlsymlist *syms = lists->syms;
-
-      while (syms->name)
-        {
-          if (!syms->address && strcmp (syms->name, filename) == 0)
-            {
-              module = (lt_module) syms;
-              goto done;
-            }
-          ++syms;
-        }
-
-      lists = lists->next;
-    }
-
-  LT_DLMUTEX_SETERROR (LT_DLSTRERROR (FILE_NOT_FOUND));
-
-done:
-  LT_DLMUTEX_UNLOCK ();
-  return module;
-}
-
-static int
-presym_close (loader_data, module)
-     lt_user_data loader_data;
-     lt_module module;
-{
-  /* Just to silence gcc -Wall */
-  module = 0;
-  return 0;
-}
-
-static lt_ptr
-presym_sym (loader_data, module, symbol)
-     lt_user_data loader_data;
-     lt_module module;
-     const char *symbol;
-{
-  lt_dlsymlist *syms = (lt_dlsymlist *) module;
-
-  ++syms;
-  while (syms->address)
-    {
-      if (strcmp (syms->name, symbol) == 0)
-        {
-          return syms->address;
-        }
-
-      ++syms;
-    }
-
-  LT_DLMUTEX_SETERROR (LT_DLSTRERROR (SYMBOL_NOT_FOUND));
-
-  return 0;
-}
-
-static struct lt_user_dlloader presym = {
-  0, presym_open, presym_close, presym_sym, presym_exit, 0
-};
-
-
-
-
-
-/* --- DYNAMIC MODULE LOADING --- */
-
-
-/* The type of a function used at each iteration of  foreach_dirinpath().  */
-typedef int foreach_callback_func LT_PARAMS ((char *filename, lt_ptr data1,
-                                              lt_ptr data2));
-
-static int foreach_dirinpath LT_PARAMS ((const char *search_path,
-                                         const char *base_name,
-                                         foreach_callback_func * func,
-                                         lt_ptr data1, lt_ptr data2));
-
-static int find_file_callback LT_PARAMS ((char *filename, lt_ptr data,
-                                          lt_ptr ignored));
-static int find_handle_callback LT_PARAMS ((char *filename, lt_ptr data,
-                                            lt_ptr ignored));
-static int foreachfile_callback LT_PARAMS ((char *filename, lt_ptr data1,
-                                            lt_ptr data2));
-
-
-static int canonicalize_path LT_PARAMS ((const char *path,
-                                         char **pcanonical));
-static int argzize_path LT_PARAMS ((const char *path,
-                                    char **pargz, size_t * pargz_len));
-static FILE *find_file LT_PARAMS ((const char *search_path,
-                                   const char *base_name, char **pdir));
-static lt_dlhandle *find_handle LT_PARAMS ((const char *search_path,
-                                            const char *base_name,
-                                            lt_dlhandle * handle));
-static int find_module LT_PARAMS ((lt_dlhandle * handle,
-                                   const char *dir,
-                                   const char *libdir,
-                                   const char *dlname,
-                                   const char *old_name, int installed));
-static int free_vars LT_PARAMS ((char *dlname, char *oldname,
-                                 char *libdir, char *deplibs));
-static int load_deplibs LT_PARAMS ((lt_dlhandle handle, char *deplibs));
-static int trim LT_PARAMS ((char **dest, const char *str));
-static int try_dlopen LT_PARAMS ((lt_dlhandle * handle,
-                                  const char *filename));
-static int tryall_dlopen LT_PARAMS ((lt_dlhandle * handle,
-                                     const char *filename));
-static int unload_deplibs LT_PARAMS ((lt_dlhandle handle));
-static int lt_argz_insert LT_PARAMS ((char **pargz,
-                                      size_t * pargz_len,
-                                      char *before, const char *entry));
-static int lt_argz_insertinorder LT_PARAMS ((char **pargz,
-                                             size_t * pargz_len,
-                                             const char *entry));
-static int lt_argz_insertdir LT_PARAMS ((char **pargz,
-                                         size_t * pargz_len,
-                                         const char *dirnam,
-                                         struct dirent * dp));
-static int lt_dlpath_insertdir LT_PARAMS ((char **ppath,
-                                           char *before, const char *dir));
-static int list_files_by_dir LT_PARAMS ((const char *dirnam,
-                                         char **pargz, size_t * pargz_len));
-static int file_not_found LT_PARAMS ((void));
-
-static char *user_search_path = 0;
-static lt_dlloader *loaders = 0;
-static lt_dlhandle handles = 0;
-static int initialized = 0;
-
-/* Initialize libltdl. */
-int
-lt_dlinit ()
-{
-  int errors = 0;
-
-  LT_DLGNUNET_mutex_lock ();
-
-  /* Initialize only at first call. */
-  if (++initialized == 1)
-    {
-      handles = 0;
-      user_search_path = 0;     /* empty search path */
-
-#if HAVE_LIBDL
-      errors += lt_dlloader_add (lt_dlloader_next (0), &sys_dl, "dlopen");
-#endif
-#if HAVE_SHL_LOAD
-      errors += lt_dlloader_add (lt_dlloader_next (0), &sys_shl, "dlopen");
-#endif
-#ifdef __WINDOWS__
-      errors += lt_dlloader_add (lt_dlloader_next (0), &sys_wll, "dlopen");
-#endif
-#ifdef __BEOS__
-      errors += lt_dlloader_add (lt_dlloader_next (0), &sys_bedl, "dlopen");
-#endif
-#if HAVE_DLD
-      errors += lt_dlloader_add (lt_dlloader_next (0), &sys_dld, "dld");
-#endif
-#if HAVE_DYLD
-      errors += lt_dlloader_add (lt_dlloader_next (0), &sys_dyld, "dyld");
-      errors += sys_dyld_init ();
-#endif
-      errors += lt_dlloader_add (lt_dlloader_next (0), &presym, "dlpreload");
-
-      if (presym_init (presym.dlloader_data))
-        {
-          LT_DLMUTEX_SETERROR (LT_DLSTRERROR (INIT_LOADER));
-          ++errors;
-        }
-      else if (errors != 0)
-        {
-          LT_DLMUTEX_SETERROR (LT_DLSTRERROR (DLOPEN_NOT_SUPPORTED));
-          ++errors;
-        }
-    }
-
-  LT_DLMUTEX_UNLOCK ();
-
-  return errors;
-}
-
-int
-lt_dlpreload (preloaded)
-     const lt_dlsymlist *preloaded;
-{
-  int errors = 0;
-
-  if (preloaded)
-    {
-      errors = presym_add_symlist (preloaded);
-    }
-  else
-    {
-      presym_free_symlists ();
-
-      LT_DLGNUNET_mutex_lock ();
-      if (default_preloaded_symbols)
-        {
-          errors = lt_dlpreload (default_preloaded_symbols);
-        }
-      LT_DLMUTEX_UNLOCK ();
-    }
-
-  return errors;
-}
-
-int
-lt_dlpreload_default (preloaded)
-     const lt_dlsymlist *preloaded;
-{
-  LT_DLGNUNET_mutex_lock ();
-  default_preloaded_symbols = preloaded;
-  LT_DLMUTEX_UNLOCK ();
-  return 0;
-}
-
-int
-lt_dlexit ()
-{
-  /* shut down libltdl */
-  lt_dlloader *loader;
-  int errors = 0;
-
-  LT_DLGNUNET_mutex_lock ();
-  loader = loaders;
-
-  if (!initialized)
-    {
-      LT_DLMUTEX_SETERROR (LT_DLSTRERROR (SHUTDOWN));
-      ++errors;
-      goto done;
-    }
-
-  /* shut down only at last call. */
-  if (--initialized == 0)
-    {
-      int level;
-
-      while (handles && LT_DLIS_RESIDENT (handles))
-        {
-          handles = handles->next;
-        }
-
-      /* close all modules */
-      for (level = 1; handles; ++level)
-        {
-          lt_dlhandle cur = handles;
-          int saw_nonresident = 0;
-
-          while (cur)
-            {
-              lt_dlhandle tmp = cur;
-              cur = cur->next;
-              if (!LT_DLIS_RESIDENT (tmp))
-                saw_nonresident = 1;
-              if (!LT_DLIS_RESIDENT (tmp) && tmp->info.ref_count <= level)
-                {
-                  if (lt_dlclose (tmp))
-                    {
-                      ++errors;
-                    }
-                }
-            }
-          /* done if only resident modules are left */
-          if (!saw_nonresident)
-            break;
-        }
-
-      /* close all loaders */
-      while (loader)
-        {
-          lt_dlloader *next = loader->next;
-          lt_user_data data = loader->dlloader_data;
-          if (loader->dlloader_exit && loader->dlloader_exit (data))
-            {
-              ++errors;
-            }
-
-          LT_DLMEM_REASSIGN (loader, next);
-        }
-      loaders = 0;
-    }
-
-done:
-  LT_DLMUTEX_UNLOCK ();
-  return errors;
-}
-
-static int
-tryall_dlopen (handle, filename)
-     lt_dlhandle *handle;
-     const char *filename;
-{
-  lt_dlhandle cur;
-  lt_dlloader *loader;
-  const char *saved_error;
-  int errors = 0;
-
-  LT_DLMUTEX_GETERROR (saved_error);
-  LT_DLGNUNET_mutex_lock ();
-
-  cur = handles;
-  loader = loaders;
-
-  /* check whether the module was already opened */
-  while (cur)
-    {
-      /* try to dlopen the program itself? */
-      if (!cur->info.filename && !filename)
-        {
-          break;
-        }
-
-      if (cur->info.filename && filename
-          && strcmp (cur->info.filename, filename) == 0)
-        {
-          break;
-        }
-
-      cur = cur->next;
-    }
-
-  if (cur)
-    {
-      ++cur->info.ref_count;
-      *handle = cur;
-      goto done;
-    }
-
-  cur = *handle;
-  if (filename)
-    {
-      /* Comment out the check of file permissions using access.
-         This call seems to always return -1 with error EACCES.
-       */
-      /* We need to catch missing file errors early so that
-         file_not_found() can detect what happened.
-         if (access (filename, R_OK) != 0)
-         {
-         LT_DLMUTEX_SETERROR (LT_DLSTRERROR (FILE_NOT_FOUND));
-         ++errors;
-         goto done;
-         } */
-
-      cur->info.filename = lt_estrdup (filename);
-      if (!cur->info.filename)
-        {
-          ++errors;
-          goto done;
-        }
-    }
-  else
-    {
-      cur->info.filename = 0;
-    }
-
-  while (loader)
-    {
-      lt_user_data data = loader->dlloader_data;
-
-      cur->module = loader->module_open (data, filename);
-
-      if (cur->module != 0)
-        {
-          break;
-        }
-      loader = loader->next;
-    }
-
-  if (!loader)
-    {
-      LT_DLGNUNET_free (cur->info.filename);
-      ++errors;
-      goto done;
-    }
-
-  cur->loader = loader;
-  LT_DLMUTEX_SETERROR (saved_error);
-
-done:
-  LT_DLMUTEX_UNLOCK ();
-
-  return errors;
-}
-
-static int
-tryall_dlopen_module (handle, prefix, dirname, dlname)
-     lt_dlhandle *handle;
-     const char *prefix;
-     const char *dirname;
-     const char *dlname;
-{
-  int error = 0;
-  char *filename = 0;
-  size_t filename_len = 0;
-  size_t dirname_len = LT_STRLEN (dirname);
-
-  assert (handle);
-  assert (dirname);
-  assert (dlname);
-#ifdef LT_DIRSEP_CHAR
-  /* Only canonicalized names (i.e. with DIRSEP chars already converted)
-     should make it into this function:  */
-  assert (strchr (dirname, LT_DIRSEP_CHAR) == 0);
-#endif
-
-  if (dirname_len > 0)
-    if (dirname[dirname_len - 1] == '/')
-      --dirname_len;
-  filename_len = dirname_len + 1 + LT_STRLEN (dlname);
-
-  /* Allocate memory, and combine DIRNAME and MODULENAME into it.
-     The PREFIX (if any) is handled below.  */
-  filename = LT_EGNUNET_malloc (char, dirname_len + 1 + filename_len + 1);
-  if (!filename)
-    return 1;
-
-  sprintf (filename, "%.*s/%s", (int) dirname_len, dirname, dlname);
-
-  /* Now that we have combined DIRNAME and MODULENAME, if there is
-     also a PREFIX to contend with, simply recurse with the arguments
-     shuffled.  Otherwise, attempt to open FILENAME as a module.  */
-  if (prefix)
-    {
-      error += tryall_dlopen_module (handle,
-                                     (const char *) 0, prefix, filename);
-    }
-  else if (tryall_dlopen (handle, filename) != 0)
-    {
-      ++error;
-    }
-
-  LT_DLGNUNET_free (filename);
-  return error;
-}
-
-static int
-find_module (handle, dir, libdir, dlname, old_name, installed)
-     lt_dlhandle *handle;
-     const char *dir;
-     const char *libdir;
-     const char *dlname;
-     const char *old_name;
-     int installed;
-{
-  /* Try to open the old library first; if it was dlpreopened,
-     we want the preopened version of it, even if a dlopenable
-     module is available.  */
-  if (old_name && tryall_dlopen (handle, old_name) == 0)
-    {
-      return 0;
-    }
-
-  /* Try to open the dynamic library.  */
-  if (dlname)
-    {
-      /* try to open the installed module */
-      if (installed && libdir)
-        {
-          if (tryall_dlopen_module (handle,
-                                    (const char *) 0, libdir, dlname) == 0)
-            return 0;
-        }
-
-      /* try to open the not-installed module */
-      if (!installed)
-        {
-          if (tryall_dlopen_module (handle, dir, objdir, dlname) == 0)
-            return 0;
-        }
-
-      /* maybe it was moved to another directory */
-      {
-        if (tryall_dlopen_module (handle, (const char *) 0, dir, dlname) == 0)
-          return 0;
-      }
-    }
-
-  return 1;
-}
-
-
-static int
-canonicalize_path (path, pcanonical)
-     const char *path;
-     char **pcanonical;
-{
-  char *canonical = 0;
-
-  assert (path && *path);
-  assert (pcanonical);
-
-  canonical = LT_EGNUNET_malloc (char, 1 + LT_STRLEN (path));
-  if (!canonical)
-    return 1;
-
-  {
-    size_t dest = 0;
-    size_t src;
-    for (src = 0; path[src] != LT_EOS_CHAR; ++src)
-      {
-        /* Path separators are not copied to the beginning or end of
-           the destination, or if another separator would follow
-           immediately.  */
-        if (path[src] == LT_PATHSEP_CHAR)
-          {
-            if ((dest == 0)
-                || (path[1 + src] == LT_PATHSEP_CHAR)
-                || (path[1 + src] == LT_EOS_CHAR))
-              continue;
-          }
-
-        /* Anything other than a directory separator is copied verbatim.  */
-        if ((path[src] != '/')
-#ifdef LT_DIRSEP_CHAR
-            && (path[src] != LT_DIRSEP_CHAR)
-#endif
-          )
-          {
-            canonical[dest++] = path[src];
-          }
-        /* Directory separators are converted and copied only if they are
-           not at the end of a path -- i.e. before a path separator or
-           NULL terminator.  */
-        else if ((path[1 + src] != LT_PATHSEP_CHAR)
-                 && (path[1 + src] != LT_EOS_CHAR)
-#ifdef LT_DIRSEP_CHAR
-                 && (path[1 + src] != LT_DIRSEP_CHAR)
-#endif
-                 && (path[1 + src] != '/'))
-          {
-            canonical[dest++] = '/';
-          }
-      }
-
-    /* Add an end-of-string marker at the end.  */
-    canonical[dest] = LT_EOS_CHAR;
-  }
-
-  /* Assign new value.  */
-  *pcanonical = canonical;
-
-  return 0;
-}
-
-static int
-argzize_path (path, pargz, pargz_len)
-     const char *path;
-     char **pargz;
-     size_t *pargz_len;
-{
-  error_t error;
-
-  assert (path);
-  assert (pargz);
-  assert (pargz_len);
-
-  if ((error = argz_create_sep (path, LT_PATHSEP_CHAR, pargz, pargz_len)))
-    {
-      switch (error)
-        {
-        case ENOMEM:
-          LT_DLMUTEX_SETERROR (LT_DLSTRERROR (NO_MEMORY));
-          break;
-        default:
-          LT_DLMUTEX_SETERROR (LT_DLSTRERROR (UNKNOWN));
-          break;
-        }
-
-      return 1;
-    }
-
-  return 0;
-}
-
-/* Repeatedly call FUNC with each LT_PATHSEP_CHAR delimited element
-   of SEARCH_PATH and references to DATA1 and DATA2, until FUNC returns
-   non-zero or all elements are exhausted.  If BASE_NAME is non-NULL,
-   it is appended to each SEARCH_PATH element before FUNC is called.  */
-static int
-foreach_dirinpath (search_path, base_name, func, data1, data2)
-     const char *search_path;
-     const char *base_name;
-     foreach_callback_func *func;
-     lt_ptr data1;
-     lt_ptr data2;
-{
-  int result = 0;
-  int filenamesize = 0;
-  size_t lenbase = LT_STRLEN (base_name);
-  size_t argz_len = 0;
-  char *argz = 0;
-  char *filename = 0;
-  char *canonical = 0;
-
-  LT_DLGNUNET_mutex_lock ();
-
-  if (!search_path || !*search_path)
-    {
-      LT_DLMUTEX_SETERROR (LT_DLSTRERROR (FILE_NOT_FOUND));
-      goto cleanup;
-    }
-
-  if (canonicalize_path (search_path, &canonical) != 0)
-    goto cleanup;
-
-  if (argzize_path (canonical, &argz, &argz_len) != 0)
-    goto cleanup;
-
-  {
-    char *dir_name = 0;
-    while ((dir_name = argz_next (argz, argz_len, dir_name)))
-      {
-        size_t lendir = LT_STRLEN (dir_name);
-
-        if (lendir + 1 + lenbase >= filenamesize)
-          {
-            LT_DLGNUNET_free (filename);
-            filenamesize = lendir + 1 + lenbase + 1;    /* "/d" + '/' + "f" + '\0' */
-            filename = LT_EGNUNET_malloc (char, filenamesize);
-            if (!filename)
-              goto cleanup;
-          }
-
-        assert (filenamesize > lendir);
-        strcpy (filename, dir_name);
-
-        if (base_name && *base_name)
-          {
-            if (filename[lendir - 1] != '/')
-              filename[lendir++] = '/';
-            strcpy (filename + lendir, base_name);
-          }
-
-        if ((result = (*func) (filename, data1, data2)))
-          {
-            break;
-          }
-      }
-  }
-
-cleanup:
-  LT_DLGNUNET_free (argz);
-  LT_DLGNUNET_free (canonical);
-  LT_DLGNUNET_free (filename);
-
-  LT_DLMUTEX_UNLOCK ();
-
-  return result;
-}
-
-/* If FILEPATH can be opened, store the name of the directory component
-   in DATA1, and the opened FILE* structure address in DATA2.  Otherwise
-   DATA1 is unchanged, but DATA2 is set to a pointer to NULL.  */
-static int
-find_file_callback (filename, data1, data2)
-     char *filename;
-     lt_ptr data1;
-     lt_ptr data2;
-{
-  char **pdir = (char **) data1;
-  FILE **pfile = (FILE **) data2;
-  int is_done = 0;
-
-  assert (filename && *filename);
-  assert (pdir);
-  assert (pfile);
-
-  if ((*pfile = fopen (filename, LT_READTEXT_MODE)))
-    {
-      char *dirend = strrchr (filename, '/');
-
-      if (dirend > filename)
-        *dirend = LT_EOS_CHAR;
-
-      LT_DLGNUNET_free (*pdir);
-      *pdir = lt_estrdup (filename);
-      is_done = (*pdir == 0) ? -1 : 1;
-    }
-
-  return is_done;
-}
-
-static FILE *
-find_file (search_path, base_name, pdir)
-     const char *search_path;
-     const char *base_name;
-     char **pdir;
-{
-  FILE *file = 0;
-
-  foreach_dirinpath (search_path, base_name, find_file_callback, pdir, &file);
-
-  return file;
-}
-
-static int
-find_handle_callback (filename, data, ignored)
-     char *filename;
-     lt_ptr data;
-     lt_ptr ignored;
-{
-  lt_dlhandle *handle = (lt_dlhandle *) data;
-  int notfound = access (filename, R_OK);
-
-  /* Bail out if file cannot be read...  */
-  if (notfound)
-    return 0;
-
-  /* Try to dlopen the file, but do not continue searching in any
-     case.  */
-  if (tryall_dlopen (handle, filename) != 0)
-    *handle = 0;
-
-  return 1;
-}
-
-/* If HANDLE was found return it, otherwise return 0.  If HANDLE was
-   found but could not be opened, *HANDLE will be set to 0.  */
-static lt_dlhandle *
-find_handle (search_path, base_name, handle)
-     const char *search_path;
-     const char *base_name;
-     lt_dlhandle *handle;
-{
-  if (!search_path)
-    return 0;
-
-  if (!foreach_dirinpath (search_path, base_name, find_handle_callback,
-                          handle, 0))
-    return 0;
-
-  return handle;
-}
-
-static int
-load_deplibs (handle, deplibs)
-     lt_dlhandle handle;
-     char *deplibs;
-{
-#if LTDL_DLOPEN_DEPLIBS
-  char *p, *save_search_path = 0;
-  int depcount = 0;
-  int i;
-  char **names = 0;
-#endif
-  int errors = 0;
-
-  handle->depcount = 0;
-
-#if LTDL_DLOPEN_DEPLIBS
-  if (!deplibs)
-    {
-      return errors;
-    }
-  ++errors;
-
-  LT_DLGNUNET_mutex_lock ();
-  if (user_search_path)
-    {
-      save_search_path = lt_estrdup (user_search_path);
-      if (!save_search_path)
-        goto cleanup;
-    }
-
-  /* extract search paths and count deplibs */
-  p = deplibs;
-  while (*p)
-    {
-      if (!isspace ((int) *p))
-        {
-          char *end = p + 1;
-          while (*end && !isspace ((int) *end))
-            {
-              ++end;
-            }
-
-          if (strncmp (p, "-L", 2) == 0 || strncmp (p, "-R", 2) == 0)
-            {
-              char save = *end;
-              *end = 0;         /* set a temporary string terminator */
-              if (lt_dladdsearchdir (p + 2))
-                {
-                  goto cleanup;
-                }
-              *end = save;
-            }
-          else
-            {
-              ++depcount;
-            }
-
-          p = end;
-        }
-      else
-        {
-          ++p;
-        }
-    }
-
-  /* restore the old search path */
-  LT_DLGNUNET_free (user_search_path);
-  user_search_path = save_search_path;
-
-  LT_DLMUTEX_UNLOCK ();
-
-  if (!depcount)
-    {
-      errors = 0;
-      goto cleanup;
-    }
-
-  names = LT_EGNUNET_malloc (char *, depcount * sizeof (char *));
-  if (!names)
-    goto cleanup;
-
-  /* now only extract the actual deplibs */
-  depcount = 0;
-  p = deplibs;
-  while (*p)
-    {
-      if (isspace ((int) *p))
-        {
-          ++p;
-        }
-      else
-        {
-          char *end = p + 1;
-          while (*end && !isspace ((int) *end))
-            {
-              ++end;
-            }
-
-          if (strncmp (p, "-L", 2) != 0 && strncmp (p, "-R", 2) != 0)
-            {
-              char *name;
-              char save = *end;
-              *end = 0;         /* set a temporary string terminator */
-              if (strncmp (p, "-l", 2) == 0)
-                {
-                  size_t name_len = 3 + /* "lib" */ LT_STRLEN (p + 2);
-                  name = LT_EGNUNET_malloc (char, 1 + name_len);
-                  if (name)
-                    sprintf (name, "lib%s", p + 2);
-                }
-              else
-                name = lt_estrdup (p);
-
-              if (!name)
-                goto cleanup_names;
-
-              names[depcount++] = name;
-              *end = save;
-            }
-          p = end;
-        }
-    }
-
-  /* load the deplibs (in reverse order)
-     At this stage, don't worry if the deplibs do not load correctly,
-     they may already be statically linked into the loading application
-     for instance.  There will be a more enlightening error message
-     later on if the loaded module cannot resolve all of its symbols.  */
-  if (depcount)
-    {
-      int j = 0;
-
-      handle->deplibs =
-        (lt_dlhandle *) LT_EGNUNET_malloc (lt_dlhandle *, depcount);
-      if (!handle->deplibs)
-        goto cleanup;
-
-      for (i = 0; i < depcount; ++i)
-        {
-          handle->deplibs[j] = lt_dlopenext (names[depcount - 1 - i]);
-          if (handle->deplibs[j])
-            {
-              ++j;
-            }
-        }
-
-      handle->depcount = j;     /* Number of successfully loaded deplibs */
-      errors = 0;
-    }
-
-cleanup_names:
-  for (i = 0; i < depcount; ++i)
-    {
-      LT_DLGNUNET_free (names[i]);
-    }
-
-cleanup:
-  LT_DLGNUNET_free (names);
-#endif
-
-  return errors;
-}
-
-static int
-unload_deplibs (handle)
-     lt_dlhandle handle;
-{
-  int i;
-  int errors = 0;
-
-  if (handle->depcount)
-    {
-      for (i = 0; i < handle->depcount; ++i)
-        {
-          if (!LT_DLIS_RESIDENT (handle->deplibs[i]))
-            {
-              errors += lt_dlclose (handle->deplibs[i]);
-            }
-        }
-    }
-
-  return errors;
-}
-
-static int
-trim (dest, str)
-     char **dest;
-     const char *str;
-{
-  /* remove the leading and trailing "'" from str
-     and store the result in dest */
-  const char *end = strrchr (str, '\'');
-  size_t len = LT_STRLEN (str);
-  char *tmp;
-
-  LT_DLGNUNET_free (*dest);
-
-  if (len > 3 && str[0] == '\'')
-    {
-      tmp = LT_EGNUNET_malloc (char, end - str);
-      if (!tmp)
-        return 1;
-
-      strncpy (tmp, &str[1], (end - str) - 1);
-      tmp[len - 3] = LT_EOS_CHAR;
-      *dest = tmp;
-    }
-  else
-    {
-      *dest = 0;
-    }
-
-  return 0;
-}
-
-static int
-free_vars (dlname, oldname, libdir, deplibs)
-     char *dlname;
-     char *oldname;
-     char *libdir;
-     char *deplibs;
-{
-  LT_DLGNUNET_free (dlname);
-  LT_DLGNUNET_free (oldname);
-  LT_DLGNUNET_free (libdir);
-  LT_DLGNUNET_free (deplibs);
-
-  return 0;
-}
-
-static int
-try_dlopen (phandle, filename)
-     lt_dlhandle *phandle;
-     const char *filename;
-{
-  const char *ext = 0;
-  const char *saved_error = 0;
-  char *canonical = 0;
-  char *base_name = 0;
-  char *dir = 0;
-  char *name = 0;
-  int errors = 0;
-  lt_dlhandle newhandle;
-
-  assert (phandle);
-  assert (*phandle == 0);
-
-  LT_DLMUTEX_GETERROR (saved_error);
-
-  /* dlopen self? */
-  if (!filename)
-    {
-      *phandle =
-        (lt_dlhandle) LT_EGNUNET_malloc (struct lt_dlhandle_struct, 1);
-      if (*phandle == 0)
-        return 1;
-
-      memset (*phandle, 0, sizeof (struct lt_dlhandle_struct));
-      newhandle = *phandle;
-
-      /* lt_dlclose()ing yourself is very bad!  Disallow it.  */
-      LT_DLSET_FLAG (*phandle, LT_DLRESIDENT_FLAG);
-
-      if (tryall_dlopen (&newhandle, 0) != 0)
-        {
-          LT_DLGNUNET_free (*phandle);
-          return 1;
-        }
-
-      goto register_handle;
-    }
-
-  assert (filename && *filename);
-
-  /* Doing this immediately allows internal functions to safely
-     assume only canonicalized paths are passed.  */
-  if (canonicalize_path (filename, &canonical) != 0)
-    {
-      ++errors;
-      goto cleanup;
-    }
-
-  /* If the canonical module name is a path (relative or absolute)
-     then split it into a directory part and a name part.  */
-  base_name = strrchr (canonical, '/');
-  if (base_name)
-    {
-      size_t dirlen = (1 + base_name) - canonical;
-
-      dir = LT_EGNUNET_malloc (char, 1 + dirlen);
-      if (!dir)
-        {
-          ++errors;
-          goto cleanup;
-        }
-
-      strncpy (dir, canonical, dirlen);
-      dir[dirlen] = LT_EOS_CHAR;
-
-      ++base_name;
-    }
-  else
-    base_name = canonical;
-
-  assert (base_name && *base_name);
-
-  /* Check whether we are opening a libtool module (.la extension).  */
-  ext = strrchr (base_name, '.');
-  if (ext && strcmp (ext, archive_ext) == 0)
-    {
-      /* this seems to be a libtool module */
-      FILE *file = 0;
-      char *dlname = 0;
-      char *old_name = 0;
-      char *libdir = 0;
-      char *deplibs = 0;
-      char *line = 0;
-      size_t line_len;
-
-      /* if we can't find the installed flag, it is probably an
-         installed libtool archive, produced with an old version
-         of libtool */
-      int installed = 1;
-
-      /* extract the module name from the file name */
-      name = LT_EGNUNET_malloc (char, ext - base_name + 1);
-      if (!name)
-        {
-          ++errors;
-          goto cleanup;
-        }
-
-      /* canonicalize the module name */
-      {
-        size_t i;
-        for (i = 0; i < ext - base_name; ++i)
-          {
-            if (isalnum ((int) (base_name[i])))
-              {
-                name[i] = base_name[i];
-              }
-            else
-              {
-                name[i] = '_';
-              }
-          }
-        name[ext - base_name] = LT_EOS_CHAR;
-      }
-
-      /* Now try to open the .la file.  If there is no directory name
-         component, try to find it first in user_search_path and then other
-         prescribed paths.  Otherwise (or in any case if the module was not
-         yet found) try opening just the module name as passed.  */
-      if (!dir)
-        {
-          const char *search_path;
-
-          LT_DLGNUNET_mutex_lock ();
-          search_path = user_search_path;
-          if (search_path)
-            file = find_file (user_search_path, base_name, &dir);
-          LT_DLMUTEX_UNLOCK ();
-
-          if (!file)
-            {
-              search_path = getenv (LTDL_SEARCHPATH_VAR);
-              if (search_path)
-                file = find_file (search_path, base_name, &dir);
-            }
-
-#ifdef LTDL_SHLIBPATH_VAR
-          if (!file)
-            {
-              search_path = getenv (LTDL_SHLIBPATH_VAR);
-              if (search_path)
-                file = find_file (search_path, base_name, &dir);
-            }
-#endif
-#ifdef LTDL_SYSSEARCHPATH
-          if (!file && sys_search_path)
-            {
-              file = find_file (sys_search_path, base_name, &dir);
-            }
-#endif
-        }
-      if (!file)
-        {
-          file = fopen (filename, LT_READTEXT_MODE);
-        }
-
-      /* If we didn't find the file by now, it really isn't there.  Set
-         the status flag, and bail out.  */
-      if (!file)
-        {
-          LT_DLMUTEX_SETERROR (LT_DLSTRERROR (FILE_NOT_FOUND));
-          ++errors;
-          goto cleanup;
-        }
-
-      line_len = LT_FILENAME_MAX;
-      line = LT_EGNUNET_malloc (char, line_len);
-      if (!line)
-        {
-          fclose (file);
-          ++errors;
-          goto cleanup;
-        }
-
-      /* read the .la file */
-      while (!feof (file))
-        {
-          if (!fgets (line, (int) line_len, file))
-            {
-              break;
-            }
-
-          /* Handle the case where we occasionally need to read a line
-             that is longer than the initial buffer size.  */
-          while ((line[LT_STRLEN (line) - 1] != '\n') && (!feof (file)))
-            {
-              line = LT_DLREALLOC (char, line, line_len * 2);
-              if (!fgets (&line[line_len - 1], (int) line_len + 1, file))
-                {
-                  break;
-                }
-              line_len *= 2;
-            }
-
-          if (line[0] == '\n' || line[0] == '#')
-            {
-              continue;
-            }
-
-#undef  STR_DLNAME
-#define STR_DLNAME      "dlname="
-          if (strncmp (line, STR_DLNAME, sizeof (STR_DLNAME) - 1) == 0)
-            {
-              errors += trim (&dlname, &line[sizeof (STR_DLNAME) - 1]);
-            }
-
-#undef  STR_OLD_LIBRARY
-#define STR_OLD_LIBRARY "old_library="
-          else if (strncmp (line, STR_OLD_LIBRARY,
-                            sizeof (STR_OLD_LIBRARY) - 1) == 0)
-            {
-              errors += trim (&old_name, &line[sizeof (STR_OLD_LIBRARY) - 1]);
-            }
-#undef  STR_LIBDIR
-#define STR_LIBDIR      "libdir="
-          else if (strncmp (line, STR_LIBDIR, sizeof (STR_LIBDIR) - 1) == 0)
-            {
-              errors += trim (&libdir, &line[sizeof (STR_LIBDIR) - 1]);
-            }
-
-#undef  STR_DL_DEPLIBS
-#define STR_DL_DEPLIBS  "dependency_libs="
-          else if (strncmp (line, STR_DL_DEPLIBS,
-                            sizeof (STR_DL_DEPLIBS) - 1) == 0)
-            {
-              errors += trim (&deplibs, &line[sizeof (STR_DL_DEPLIBS) - 1]);
-            }
-          else if (strcmp (line, "installed=yes\n") == 0)
-            {
-              installed = 1;
-            }
-          else if (strcmp (line, "installed=no\n") == 0)
-            {
-              installed = 0;
-            }
-
-#undef  STR_LIBRARY_NAMES
-#define STR_LIBRARY_NAMES "library_names="
-          else if (!dlname && strncmp (line, STR_LIBRARY_NAMES,
-                                       sizeof (STR_LIBRARY_NAMES) - 1) == 0)
-            {
-              char *last_libname;
-              errors += trim (&dlname, &line[sizeof (STR_LIBRARY_NAMES) - 1]);
-              if (!errors
-                  && dlname && (last_libname = strrchr (dlname, ' ')) != 0)
-                {
-                  last_libname = lt_estrdup (last_libname + 1);
-                  if (!last_libname)
-                    {
-                      ++errors;
-                      goto cleanup;
-                    }
-                  LT_DLMEM_REASSIGN (dlname, last_libname);
-                }
-            }
-
-          if (errors)
-            break;
-        }
-
-      fclose (file);
-      LT_DLGNUNET_free (line);
-
-      /* allocate the handle */
-      *phandle =
-        (lt_dlhandle) LT_EGNUNET_malloc (struct lt_dlhandle_struct, 1);
-      if (*phandle == 0)
-        ++errors;
-
-      if (errors)
-        {
-          free_vars (dlname, old_name, libdir, deplibs);
-          LT_DLGNUNET_free (*phandle);
-          goto cleanup;
-        }
-
-      assert (*phandle);
-
-      memset (*phandle, 0, sizeof (struct lt_dlhandle_struct));
-      if (load_deplibs (*phandle, deplibs) == 0)
-        {
-          newhandle = *phandle;
-          /* find_module may replace newhandle */
-          if (find_module
-              (&newhandle, dir, libdir, dlname, old_name, installed))
-            {
-              unload_deplibs (*phandle);
-              ++errors;
-            }
-        }
-      else
-        {
-          ++errors;
-        }
-
-      free_vars (dlname, old_name, libdir, deplibs);
-      if (errors)
-        {
-          LT_DLGNUNET_free (*phandle);
-          goto cleanup;
-        }
-
-      if (*phandle != newhandle)
-        {
-          unload_deplibs (*phandle);
-        }
-    }
-  else
-    {
-      /* not a libtool module */
-      *phandle =
-        (lt_dlhandle) LT_EGNUNET_malloc (struct lt_dlhandle_struct, 1);
-      if (*phandle == 0)
-        {
-          ++errors;
-          goto cleanup;
-        }
-
-      memset (*phandle, 0, sizeof (struct lt_dlhandle_struct));
-      newhandle = *phandle;
-
-      /* If the module has no directory name component, try to find it
-         first in user_search_path and then other prescribed paths.
-         Otherwise (or in any case if the module was not yet found) try
-         opening just the module name as passed.  */
-      if ((dir || (!find_handle (user_search_path, base_name, &newhandle)
-                   && !find_handle (getenv (LTDL_SEARCHPATH_VAR), base_name,
-                                    &newhandle)
-#ifdef LTDL_SHLIBPATH_VAR
-                   && !find_handle (getenv (LTDL_SHLIBPATH_VAR), base_name,
-                                    &newhandle)
-#endif
-#ifdef LTDL_SYSSEARCHPATH
-                   && !find_handle (sys_search_path, base_name, &newhandle)
-#endif
-           )))
-        {
-          if (tryall_dlopen (&newhandle, filename) != 0)
-            {
-              newhandle = NULL;
-            }
-        }
-
-      if (!newhandle)
-        {
-          LT_DLGNUNET_free (*phandle);
-          ++errors;
-          goto cleanup;
-        }
-    }
-
-register_handle:
-  LT_DLMEM_REASSIGN (*phandle, newhandle);
-
-  if ((*phandle)->info.ref_count == 0)
-    {
-      (*phandle)->info.ref_count = 1;
-      LT_DLMEM_REASSIGN ((*phandle)->info.name, name);
-
-      LT_DLGNUNET_mutex_lock ();
-      (*phandle)->next = handles;
-      handles = *phandle;
-      LT_DLMUTEX_UNLOCK ();
-    }
-
-  LT_DLMUTEX_SETERROR (saved_error);
-
-cleanup:
-  LT_DLGNUNET_free (dir);
-  LT_DLGNUNET_free (name);
-  LT_DLGNUNET_free (canonical);
-
-  return errors;
-}
-
-lt_dlhandle
-lt_dlopen (filename)
-     const char *filename;
-{
-  lt_dlhandle handle = 0;
-
-  /* Just incase we missed a code path in try_dlopen() that reports
-     an error, but forgets to reset handle... */
-  if (try_dlopen (&handle, filename) != 0)
-    return 0;
-
-  return handle;
-}
-