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author | Dan Albert <danalbert@google.com> | 2015-06-17 11:09:54 -0700 |
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committer | Dan Albert <danalbert@google.com> | 2015-06-17 14:15:22 -0700 |
commit | f378ebf14df0952eae870c9865bab8326aa8f137 (patch) | |
tree | 31794503eb2a8c64ea5f313b93100f1163afcffb /gcc-4.7/libjava/libltdl | |
parent | 2c58169824949d3a597d9fa81931e001ef9b1bd0 (diff) | |
download | toolchain_gcc-f378ebf14df0952eae870c9865bab8326aa8f137.tar.gz toolchain_gcc-f378ebf14df0952eae870c9865bab8326aa8f137.tar.bz2 toolchain_gcc-f378ebf14df0952eae870c9865bab8326aa8f137.zip |
Delete old versions of GCC.
Change-Id: I710f125d905290e1024cbd67f48299861790c66c
Diffstat (limited to 'gcc-4.7/libjava/libltdl')
-rw-r--r-- | gcc-4.7/libjava/libltdl/COPYING.LIB | 515 | ||||
-rw-r--r-- | gcc-4.7/libjava/libltdl/ChangeLog | 201 | ||||
-rw-r--r-- | gcc-4.7/libjava/libltdl/Makefile.am | 56 | ||||
-rw-r--r-- | gcc-4.7/libjava/libltdl/Makefile.in | 598 | ||||
-rw-r--r-- | gcc-4.7/libjava/libltdl/README | 10 | ||||
-rw-r--r-- | gcc-4.7/libjava/libltdl/acinclude.m4 | 6599 | ||||
-rw-r--r-- | gcc-4.7/libjava/libltdl/aclocal.m4 | 987 | ||||
-rw-r--r-- | gcc-4.7/libjava/libltdl/config-h.in | 198 | ||||
-rwxr-xr-x | gcc-4.7/libjava/libltdl/config.guess | 32 | ||||
-rwxr-xr-x | gcc-4.7/libjava/libltdl/config.sub | 32 | ||||
-rwxr-xr-x | gcc-4.7/libjava/libltdl/configure | 12412 | ||||
-rw-r--r-- | gcc-4.7/libjava/libltdl/configure.ac | 86 | ||||
-rwxr-xr-x | gcc-4.7/libjava/libltdl/install-sh | 323 | ||||
-rw-r--r-- | gcc-4.7/libjava/libltdl/ltdl.c | 4512 | ||||
-rw-r--r-- | gcc-4.7/libjava/libltdl/ltdl.h | 366 | ||||
-rw-r--r-- | gcc-4.7/libjava/libltdl/ltmain.sh | 6496 | ||||
-rwxr-xr-x | gcc-4.7/libjava/libltdl/missing | 353 |
17 files changed, 0 insertions, 33776 deletions
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Here is a sample; alter the names: - - Yoyodyne, Inc., hereby disclaims all copyright interest in the - library `Frob' (a library for tweaking knobs) written by James -Random Hacker. - - <signature of Ty Coon>, 1 April 1990 - Ty Coon, President of Vice - -That's all there is to it! - - diff --git a/gcc-4.7/libjava/libltdl/ChangeLog b/gcc-4.7/libjava/libltdl/ChangeLog deleted file mode 100644 index a62e3a466..000000000 --- a/gcc-4.7/libjava/libltdl/ChangeLog +++ /dev/null @@ -1,201 +0,0 @@ -2012-09-20 Release Manager - - * GCC 4.7.2 released. - -2012-06-14 Release Manager - - * GCC 4.7.1 released. - -2012-03-22 Release Manager - - * GCC 4.7.0 released. - -2011-11-21 Andreas Tobler <andreast@fgznet.ch> - - * acinclude.m4: Additional FreeBSD 10 fixes. - * configure: Regenerate. - -2011-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> - - * acinclude.m4 (AC_LIBTOOL_PROG_LD_SHLIBS) - (AC_LIBTOOL_SYS_DYNAMIC_LINKER): Remove handling - of freebsd1* which soon would incorrectly match FreeBSD 10.0. - * configure: Regenerate. - -2010-05-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> - - PR other/43620 - * Makefile.am (AUTOMAKE_OPTIONS): Add no-dist. - * Makefile.in: Regenerate. - -2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> - - * Makefile.in: Regenerate. - * aclocal.m4: Regenerate. - -2009-12-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> - - * configure.ac: Disable libtool support for unused languages, - to avoid precious FFLAGS recheck cache consistency failure. - * aclocal.m4: Regenerate. - * configure: Regenerate. - * Makefile.in: Regenerate. - -2009-12-07 Jakub Jelinek <jakub@redhat.com> - - * acinclude.m4: Regenerated to pick: - 2007-06-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> - - * libtool.m4 (AC_LIBTOOL_SYS_DYNAMIC_LINKER) [linux]: - Ignore lines in ld.so.conf starting with 'hwcap '. - - * configure: Regenerated. - - 2009-11-24 Peter O'Gorman <peter@pogma.com> - - Backport of libltdl changes from the 2.2.6b release. - * ltdl.c: Backport changes. - -2009-09-22 Dave Korn <dave.korn.cygwin@gmail.com> - - * ltdl.h (LT_SCOPE): Change conditional to avoid breaking - auto-export during libgcj DLL linking. - * Makefile.am (libltdl_la_LDFLAGS): Remove -bindir switch. - * Makefile.in: Regenerate. - -2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> - - * configure.ac (AC_PREREQ): Bump to 2.64. Remove FIXME. - -2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> - - * Makefile.in: Regenerate. - * aclocal.m4: Regenerate. - * config-h.in: Regenerate. - * configure: Regenerate. - -2009-08-20 Dave Korn <dave.korn.cygwin@gmail.com> - - * Makefile.am (libltdl_la_LDFLAGS): Add -bindir flag. - * Makefile.in: Regenerate. - -2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> - - * Makefile.in: Regenerate. - * configure: Regenerate. - -2008-04-18 Paolo Bonzini <bonzini@gnu.org> - - PR bootstrap/35457 - * aclocal.m4: Regenerate. - * configure: Regenerate. - -2007-01-16 Jack Howarth <howarth@bromo.med.uc.edu> - - * Makefile.am: Add ACLOCAL_AMFLAGS to use multi.m4. - * configure.ac: Use multi.m4 from aclocal rather than - custom code. - * aclocal.m4: Regenerate. - * configure: Regenerate. - * Makefile.in: Regenerate. - -2006-06-05 Tom Tromey <tromey@redhat.com> - - PR gcc/27818: - * Makefile.in: Rebuilt. - * Makefile.am (install-data-local): Define conditionally. - -2006-04-08 Andreas Tobler <a.tobler@schweiz.ch> - - * configure: Rebuilt. - -2006-04-06 Andreas Tobler <a.tobler@schweiz.ch> - - * acinclude.m4 (AC_LTDL_SHLIBEXT): Add GCJ LOCAL marker to indicate - GCJ specific stuff. - -2006-03-30 Tom Tromey <tromey@redhat.com> - - * aclocal.m4, configure, Makefile.in: Rebuilt. - * configure.ac: Use AM_MAINTAINER_MODE. - -2006-03-29 Andreas Tobler <a.tobler@schweiz.ch> - - * acinclude.m4: Restore the situation that we don't build modules on - darwin. - * configure: Regenerated. - -2006-03-28 Tom Tromey <tromey@redhat.com> - - PR libgcj/26441: - * Merged libltdl 1.5.16 from vendor branch. - -2004-11-24 Kelley Cook <kcook@gcc.gnu.org> - - * Makefile.in: Regenrate with Automake 1.9.3. - * aclocal.m4: Likewise. - * configure: Regenerate. - -2004-06-15 Paolo Bonzini <bonzini@gnu.org> - - * Makefile.in: Regenerate with Automake 1.8.5. - * aclocal.m4: Likewise. - * configure: Regenerate. - -2004-05-03 Andreas Tobler <a.tobler@schweiz.ch> - - * acinclude.m4: Replace -W with more speaking -Wextra. - * aclocal.m4: Regenerate. - * configure: Regenerate. - -2004-03-10 Kelley Cook <kcook@gcc.gnu.org> - - * configure.ac: Bump AC_PREREQ to 2.59. - * configure: Regenerate. - * config-h.in: Regenerate. - -2004-02-22 Zack Weinberg <zack@codesourcery.com> - Nathanael Nerode <neroden@twcny.rr.com> - Alexandre Oliva <aoliva@redhat.com> - - * config.sub, config.guess: Replace with forwarding scripts - which invoke the master copies in the top level. - -2004-02-20 Andrew Cagney <cagney@redhat.com> - - * config.guess: Update from version 2003-10-07 to 2004-02-16. - * config.sub: Update from version 2003-10-07 to 2004-02-16. - -2003-08-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> - - * configure.in: Don't initialize GCINCS to boehm-gc/include. - * Regenerate. - -2002-04-28 Mark Mitchell <mark@codesourcery.com> - - * .cvsignore: Remove files that are present in CVS. - -2001-07-02 Tom Tromey <tromey@redhat.com> - - * configure: Rebuilt. - * configure.in: Added aux-dir hacks to satisfy automake and - in-tree builds. - -2001-05-21 Bryce McKinlay <bryce@waitaki.otago.ac.nz> - - * configure.in: Use correct include dir for new Boehm GC. - * configure: Rebuilt. - -2000-09-10 Alexandre Oliva <aoliva@redhat.com> - - * Updated from libtool multi-language branch. - -2000-02-14 Tom Tromey <tromey@cygnus.com> - - * ltdl.c: If HAVE_BOEHM_GC defined, includ gc.h. - * Makefile.in: Rebuilt. - * Makefile.am (INCLUDES): New macro. - * config.h.in, configure: Rebuilt. - * acconfig.h (HAVE_BOEHM_GC): Define. - * configure.in: Handle --enable-java-gc. - diff --git a/gcc-4.7/libjava/libltdl/Makefile.am b/gcc-4.7/libjava/libltdl/Makefile.am deleted file mode 100644 index 0c2e26386..000000000 --- a/gcc-4.7/libjava/libltdl/Makefile.am +++ /dev/null @@ -1,56 +0,0 @@ -## Process this file with automake to produce Makefile.in - -AUTOMAKE_OPTIONS = no-dependencies foreign no-dist - -ACLOCAL_AMFLAGS = -I ../.. -I ../../config - -INCLUDES = $(GCINCS) - -if INSTALL_LTDL -include_HEADERS = ltdl.h -lib_LTLIBRARIES = libltdl.la -else -noinst_HEADERS = ltdl.h -endif - -if CONVENIENCE_LTDL -noinst_LTLIBRARIES = libltdlc.la -endif - 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See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -# 02110-1301 USA - - -AC_PREREQ(2.64) - -dnl Disable libtool 1.5 support for languages we don't use -define([AC_LIBTOOL_LANG_CXX_CONFIG], [:])dnl -define([AC_LIBTOOL_LANG_F77_CONFIG], [:])dnl -define([AC_LIBTOOL_LANG_GCJ_CONFIG], [:])dnl - -## ------------------------ ## -## Autoconf initialisation. ## -## ------------------------ ## -AC_INIT([libltdl], [1.2], [bug-libtool@gnu.org]) -AC_CONFIG_SRCDIR([ltdl.c]) - -## GCJ LOCAL: gcc tree uses maintainer mode. -AM_MAINTAINER_MODE - -AM_ENABLE_MULTILIB(, ../..) - -## ------------------------------- ## -## Libltdl specific configuration. ## -## ------------------------------- ## - -AC_CONFIG_AUX_DIR([.]) - -if test -z "$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]) - - -## ------------------ ## -## 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/gcc-4.7/libjava/libltdl/install-sh b/gcc-4.7/libjava/libltdl/install-sh deleted file mode 100755 index 1a8353401..000000000 --- a/gcc-4.7/libjava/libltdl/install-sh +++ /dev/null @@ -1,323 +0,0 @@ -#!/bin/sh -# install - install a program, script, or datafile - -scriptversion=2005-02-02.21 - -# This originates from X11R5 (mit/util/scripts/install.sh), which was -# later released in X11R6 (xc/config/util/install.sh) with the -# following copyright and license. -# -# Copyright (C) 1994 X Consortium -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to -# deal in the Software without restriction, including without limitation the -# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or -# sell copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in -# all copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- -# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -# -# Except as contained in this notice, the name of the X Consortium shall not -# be used in advertising or otherwise to promote the sale, use or other deal- -# ings in this Software without prior written authorization from the X Consor- -# tium. -# -# -# FSF changes to this file are in the public domain. -# -# Calling this script install-sh is preferred over install.sh, to prevent -# `make' implicit rules from creating a file called install from it -# when there is no Makefile. -# -# This script is compatible with the BSD install script, but was written -# from scratch. It can only install one file at a time, a restriction -# shared with many OS's install programs. - -# set DOITPROG to echo to test this script - -# Don't use :- since 4.3BSD and earlier shells don't like it. -doit="${DOITPROG-}" - -# put in absolute paths if you don't have them in your path; or use env. vars. - -mvprog="${MVPROG-mv}" -cpprog="${CPPROG-cp}" -chmodprog="${CHMODPROG-chmod}" -chownprog="${CHOWNPROG-chown}" -chgrpprog="${CHGRPPROG-chgrp}" -stripprog="${STRIPPROG-strip}" -rmprog="${RMPROG-rm}" -mkdirprog="${MKDIRPROG-mkdir}" - -chmodcmd="$chmodprog 0755" -chowncmd= -chgrpcmd= -stripcmd= -rmcmd="$rmprog -f" -mvcmd="$mvprog" -src= -dst= -dir_arg= -dstarg= -no_target_directory= - -usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE - or: $0 [OPTION]... SRCFILES... DIRECTORY - or: $0 [OPTION]... -t DIRECTORY SRCFILES... - or: $0 [OPTION]... -d DIRECTORIES... - -In the 1st form, copy SRCFILE to DSTFILE. -In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. -In the 4th, create DIRECTORIES. - -Options: --c (ignored) --d create directories instead of installing files. --g GROUP $chgrpprog installed files to GROUP. --m MODE $chmodprog installed files to MODE. --o USER $chownprog installed files to USER. --s $stripprog installed files. --t DIRECTORY install into DIRECTORY. --T report an error if DSTFILE is a directory. ---help display this help and exit. ---version display version info and exit. - -Environment variables override the default commands: - CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG -" - -while test -n "$1"; do - case $1 in - -c) shift - continue;; - - -d) dir_arg=true - shift - continue;; - - -g) chgrpcmd="$chgrpprog $2" - shift - shift - continue;; - - --help) echo "$usage"; exit $?;; - - -m) chmodcmd="$chmodprog $2" - shift - shift - continue;; - - -o) chowncmd="$chownprog $2" - shift - shift - continue;; - - -s) stripcmd=$stripprog - shift - continue;; - - -t) dstarg=$2 - shift - shift - continue;; - - -T) no_target_directory=true - shift - continue;; - - --version) echo "$0 $scriptversion"; exit $?;; - - *) # When -d is used, all remaining arguments are directories to create. - # When -t is used, the destination is already specified. - test -n "$dir_arg$dstarg" && break - # Otherwise, the last argument is the destination. 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In this case, the final cleanup might fail but the new - # file should still install successfully. - { - if test -f "$dstdir/$dstfile"; then - $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \ - || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \ - || { - echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2 - (exit 1); exit 1 - } - else - : - fi - } && - - # Now rename the file to the real destination. - $doit $mvcmd "$dsttmp" "$dstdir/$dstfile" - } - } - fi || { (exit 1); exit 1; } -done - -# The final little trick to "correctly" pass the exit status to the exit trap. -{ - (exit 0); exit 0 -} - -# Local variables: -# eval: (add-hook 'write-file-hooks 'time-stamp) -# time-stamp-start: "scriptversion=" -# time-stamp-format: "%:y-%02m-%02d.%02H" -# time-stamp-end: "$" -# End: diff --git a/gcc-4.7/libjava/libltdl/ltdl.c b/gcc-4.7/libjava/libltdl/ltdl.c deleted file mode 100644 index 3c1c03961..000000000 --- a/gcc-4.7/libjava/libltdl/ltdl.c +++ /dev/null @@ -1,4512 +0,0 @@ -/* ltdl.c -- system independent dlopen wrapper - Copyright (C) 1998, 1999, 2000, 2004, 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA - -*/ - -#if HAVE_CONFIG_H -# include <config.h> -#endif - -#if HAVE_BOEHM_GC -# include <gc.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_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_DMALLOC -# 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. 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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; -{ - const char * s = src; - char * d = dest; - size_t i = 0; - - for (i = 0; i < size; ++i) - { - d[i] = s[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; -{ - const char * s = src; - char * d = dest; - size_t i; - - if (d < s) - for (i = 0; i < size; ++i) - { - d[i] = s[i]; - } - else if (d > s && size > 0) - for (i = size -1; ; --i) - { - d[i] = s[i]; - if (i == 0) - break; - } - - 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); - /* allow space for: path + '\\' '\\' '*' '.' '*' + '\0' */ - (void) strncpy (file_specification, path, LT_FILENAME_MAX-6); - file_specification[LT_FILENAME_MAX-6] = LT_EOS_CHAR; - (void) strcat(file_specification,"\\"); - entry = LT_DLMALLOC (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_DLFREE (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_name[LT_FILENAME_MAX - 1] = LT_EOS_CHAR; - 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_DLMALLOC (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_DLFREE (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 - - - - -/* --- 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_DLMUTEX_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_DLMUTEX_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_DLMUTEX_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_DLMUTEX_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 - -#ifdef RTLD_GLOBAL -# define LT_GLOBAL RTLD_GLOBAL -#else -# ifdef DL_GLOBAL -# define LT_GLOBAL DL_GLOBAL -# endif -#endif /* !RTLD_GLOBAL */ -#ifndef LT_GLOBAL -# define LT_GLOBAL 0 -#endif /* !LT_GLOBAL */ - -/* 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_GLOBAL | 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_EMALLOC (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_DLFREE (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_DLMUTEX_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_DLFREE (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_DLFREE (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*)<dl_NSAddImage); - err = _dyld_func_lookup("__dyld_NSLookupSymbolInImage",(unsigned long*)<dl_NSLookupSymbolInImage); - err = _dyld_func_lookup("__dyld_NSIsSymbolNameDefinedInImage",(unsigned long*)<dl_NSIsSymbolNameDefinedInImage); - err = _dyld_func_lookup("__dyld_NSMakePrivateModulePublic",(unsigned long*)<dl_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_DLMUTEX_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_DLMUTEX_LOCK (); - - lists = preloaded_symbols; - while (lists) - { - lt_dlsymlists_t *tmp = lists; - - lists = lists->next; - LT_DLFREE (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_DLMUTEX_LOCK (); - - lists = preloaded_symbols; - while (lists) - { - if (lists->syms == preloaded) - { - goto done; - } - lists = lists->next; - } - - tmp = LT_EMALLOC (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_DLMUTEX_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, - const char * useloader)); -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_DLMUTEX_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_DLMUTEX_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_DLMUTEX_LOCK (); - default_preloaded_symbols = preloaded; - LT_DLMUTEX_UNLOCK (); - return 0; -} - -int -lt_dlexit () -{ - /* shut down libltdl */ - lt_dlloader *loader; - int errors = 0; - - LT_DLMUTEX_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, useloader) - lt_dlhandle *handle; - const char *filename; - const char *useloader; -{ - lt_dlhandle cur; - lt_dlloader *loader; - const char *saved_error; - int errors = 0; - - LT_DLMUTEX_GETERROR (saved_error); - LT_DLMUTEX_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) - { - if (useloader && strcmp(loader->loader_name, useloader)) - { - loader = loader->next; - continue; - } - 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_DLFREE (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_EMALLOC (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, NULL) != 0) - { - ++error; - } - - LT_DLFREE (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, "dlpreload") == 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_EMALLOC (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_DLMUTEX_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_DLFREE (filename); - filenamesize = lendir +1 +lenbase +1; /* "/d" + '/' + "f" + '\0' */ - filename = LT_EMALLOC (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_DLFREE (argz); - LT_DLFREE (canonical); - LT_DLFREE (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_DLFREE (*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,NULL) != 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_DLMUTEX_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_DLFREE (user_search_path); - user_search_path = save_search_path; - - LT_DLMUTEX_UNLOCK (); - - if (!depcount) - { - errors = 0; - goto cleanup; - } - - names = LT_EMALLOC (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_EMALLOC (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_EMALLOC (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_DLFREE (names[i]); - } - - cleanup: - LT_DLFREE (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_DLFREE (*dest); - - if (!end) - return 1; - - if (len > 3 && str[0] == '\'') - { - tmp = LT_EMALLOC (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_DLFREE (dlname); - LT_DLFREE (oldname); - LT_DLFREE (libdir); - LT_DLFREE (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_EMALLOC (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, NULL) != 0) - { - LT_DLFREE (*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_EMALLOC (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_EMALLOC (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_DLMUTEX_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 - } - else - { - 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_EMALLOC (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_DLFREE (line); - - /* allocate the handle */ - *phandle = (lt_dlhandle) LT_EMALLOC (struct lt_dlhandle_struct, 1); - if (*phandle == 0) - ++errors; - - if (errors) - { - free_vars (dlname, old_name, libdir, deplibs); - LT_DLFREE (*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_DLFREE (*phandle); - goto cleanup; - } - - if (*phandle != newhandle) - { - unload_deplibs (*phandle); - } - } - else - { - /* not a libtool module */ - *phandle = (lt_dlhandle) LT_EMALLOC (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, NULL) != 0) - { - newhandle = NULL; - } - } - - if (!newhandle) - { - LT_DLFREE (*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_DLMUTEX_LOCK (); - (*phandle)->next = handles; - handles = *phandle; - LT_DLMUTEX_UNLOCK (); - } - - LT_DLMUTEX_SETERROR (saved_error); - - cleanup: - LT_DLFREE (dir); - LT_DLFREE (name); - LT_DLFREE (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; -} - -/* If the last error messge store was `FILE_NOT_FOUND', then return - non-zero. */ -static int -file_not_found () -{ - const char *error = 0; - - LT_DLMUTEX_GETERROR (error); - if (error == LT_DLSTRERROR (FILE_NOT_FOUND)) - return 1; - - return 0; -} - -/* If FILENAME has an ARCHIVE_EXT or SHLIB_EXT extension, try to - open the FILENAME as passed. Otherwise try appending ARCHIVE_EXT, - and if a file is still not found try again with SHLIB_EXT appended - instead. */ -lt_dlhandle -lt_dlopenext (filename) - const char *filename; -{ - lt_dlhandle handle = 0; - char * tmp = 0; - char * ext = 0; - size_t len; - int errors = 0; - - if (!filename) - { - return lt_dlopen (filename); - } - - assert (filename); - - len = LT_STRLEN (filename); - ext = strrchr (filename, '.'); - - /* If FILENAME already bears a suitable extension, there is no need - to try appending additional extensions. */ - if (ext && ((strcmp (ext, archive_ext) == 0) -#ifdef LTDL_SHLIB_EXT - || (strcmp (ext, shlib_ext) == 0) -#endif - )) - { - return lt_dlopen (filename); - } - - /* First try appending ARCHIVE_EXT. */ - tmp = LT_EMALLOC (char, len + LT_STRLEN (archive_ext) + 1); - if (!tmp) - return 0; - - strcpy (tmp, filename); - strcat (tmp, archive_ext); - errors = try_dlopen (&handle, tmp); - - /* If we found FILENAME, stop searching -- whether we were able to - load the file as a module or not. If the file exists but loading - failed, it is better to return an error message here than to - report FILE_NOT_FOUND when the alternatives (foo.so etc) are not - in the module search path. */ - if (handle || ((errors > 0) && !file_not_found ())) - { - LT_DLFREE (tmp); - return handle; - } - -#ifdef LTDL_SHLIB_EXT - /* Try appending SHLIB_EXT. */ - if (LT_STRLEN (shlib_ext) > LT_STRLEN (archive_ext)) - { - LT_DLFREE (tmp); - tmp = LT_EMALLOC (char, len + LT_STRLEN (shlib_ext) + 1); - if (!tmp) - return 0; - - strcpy (tmp, filename); - } - else - { - tmp[len] = LT_EOS_CHAR; - } - - strcat(tmp, shlib_ext); - errors = try_dlopen (&handle, tmp); - - /* As before, if the file was found but loading failed, return now - with the current error message. */ - if (handle || ((errors > 0) && !file_not_found ())) - { - LT_DLFREE (tmp); - return handle; - } -#endif - - /* Still here? Then we really did fail to locate any of the file - names we tried. */ - LT_DLMUTEX_SETERROR (LT_DLSTRERROR (FILE_NOT_FOUND)); - LT_DLFREE (tmp); - return 0; -} - - -static int -lt_argz_insert (pargz, pargz_len, before, entry) - char **pargz; - size_t *pargz_len; - char *before; - const char *entry; -{ - error_t error; - - if ((error = argz_insert (pargz, pargz_len, before, entry))) - { - switch (error) - { - case ENOMEM: - LT_DLMUTEX_SETERROR (LT_DLSTRERROR (NO_MEMORY)); - break; - default: - LT_DLMUTEX_SETERROR (LT_DLSTRERROR (UNKNOWN)); - break; - } - return 1; - } - - return 0; -} - -static int -lt_argz_insertinorder (pargz, pargz_len, entry) - char **pargz; - size_t *pargz_len; - const char *entry; -{ - char *before = 0; - - assert (pargz); - assert (pargz_len); - assert (entry && *entry); - - if (*pargz) - while ((before = argz_next (*pargz, *pargz_len, before))) - { - int cmp = strcmp (entry, before); - - if (cmp < 0) break; - if (cmp == 0) return 0; /* No duplicates! */ - } - - return lt_argz_insert (pargz, pargz_len, before, entry); -} - -static int -lt_argz_insertdir (pargz, pargz_len, dirnam, dp) - char **pargz; - size_t *pargz_len; - const char *dirnam; - struct dirent *dp; -{ - char *buf = 0; - size_t buf_len = 0; - char *end = 0; - size_t end_offset = 0; - size_t dir_len = 0; - int errors = 0; - - assert (pargz); - assert (pargz_len); - assert (dp); - - dir_len = LT_STRLEN (dirnam); - end = dp->d_name + LT_D_NAMLEN(dp); - - /* Ignore version numbers. */ - { - char *p; - for (p = end; p -1 > dp->d_name; --p) - if (strchr (".0123456789", p[-1]) == 0) - break; - - if (*p == '.') - end = p; - } - - /* Ignore filename extension. */ - { - char *p; - for (p = end -1; p > dp->d_name; --p) - if (*p == '.') - { - end = p; - break; - } - } - - /* Prepend the directory name. */ - end_offset = end - dp->d_name; - buf_len = dir_len + 1+ end_offset; - buf = LT_EMALLOC (char, 1+ buf_len); - if (!buf) - return ++errors; - - assert (buf); - - strcpy (buf, dirnam); - strcat (buf, "/"); - strncat (buf, dp->d_name, end_offset); - buf[buf_len] = LT_EOS_CHAR; - - /* Try to insert (in order) into ARGZ/ARGZ_LEN. */ - if (lt_argz_insertinorder (pargz, pargz_len, buf) != 0) - ++errors; - - LT_DLFREE (buf); - - return errors; -} - -static int -list_files_by_dir (dirnam, pargz, pargz_len) - const char *dirnam; - char **pargz; - size_t *pargz_len; -{ - DIR *dirp = 0; - int errors = 0; - - assert (dirnam && *dirnam); - assert (pargz); - assert (pargz_len); - assert (dirnam[LT_STRLEN(dirnam) -1] != '/'); - - dirp = opendir (dirnam); - if (dirp) - { - struct dirent *dp = 0; - - while ((dp = readdir (dirp))) - if (dp->d_name[0] != '.') - if (lt_argz_insertdir (pargz, pargz_len, dirnam, dp)) - { - ++errors; - break; - } - - closedir (dirp); - } - else - ++errors; - - return errors; -} - - -/* If there are any files in DIRNAME, call the function passed in - DATA1 (with the name of each file and DATA2 as arguments). */ -static int -foreachfile_callback (dirname, data1, data2) - char *dirname; - lt_ptr data1; - lt_ptr data2; -{ - int (*func) LT_PARAMS((const char *filename, lt_ptr data)) - = (int (*) LT_PARAMS((const char *filename, lt_ptr data))) data1; - - int is_done = 0; - char *argz = 0; - size_t argz_len = 0; - - if (list_files_by_dir (dirname, &argz, &argz_len) != 0) - goto cleanup; - if (!argz) - goto cleanup; - - { - char *filename = 0; - while ((filename = argz_next (argz, argz_len, filename))) - if ((is_done = (*func) (filename, data2))) - break; - } - - cleanup: - LT_DLFREE (argz); - - return is_done; -} - - -/* Call FUNC for each unique extensionless file in SEARCH_PATH, along - with DATA. The filenames passed to FUNC would be suitable for - passing to lt_dlopenext. The extensions are stripped so that - individual modules do not generate several entries (e.g. libfoo.la, - libfoo.so, libfoo.so.1, libfoo.so.1.0.0). If SEARCH_PATH is NULL, - then the same directories that lt_dlopen would search are examined. */ -int -lt_dlforeachfile (search_path, func, data) - const char *search_path; - int (*func) LT_PARAMS ((const char *filename, lt_ptr data)); - lt_ptr data; -{ - int is_done = 0; - - if (search_path) - { - /* If a specific path was passed, search only the directories - listed in it. */ - is_done = foreach_dirinpath (search_path, 0, - foreachfile_callback, func, data); - } - else - { - /* Otherwise search the default paths. */ - is_done = foreach_dirinpath (user_search_path, 0, - foreachfile_callback, func, data); - if (!is_done) - { - is_done = foreach_dirinpath (getenv("LTDL_LIBRARY_PATH"), 0, - foreachfile_callback, func, data); - } - -#ifdef LTDL_SHLIBPATH_VAR - if (!is_done) - { - is_done = foreach_dirinpath (getenv(LTDL_SHLIBPATH_VAR), 0, - foreachfile_callback, func, data); - } -#endif -#ifdef LTDL_SYSSEARCHPATH - if (!is_done) - { - is_done = foreach_dirinpath (getenv(LTDL_SYSSEARCHPATH), 0, - foreachfile_callback, func, data); - } -#endif - } - - return is_done; -} - -int -lt_dlclose (handle) - lt_dlhandle handle; -{ - lt_dlhandle cur, last; - int errors = 0; - - LT_DLMUTEX_LOCK (); - - /* check whether the handle is valid */ - last = cur = handles; - while (cur && handle != cur) - { - last = cur; - cur = cur->next; - } - - if (!cur) - { - LT_DLMUTEX_SETERROR (LT_DLSTRERROR (INVALID_HANDLE)); - ++errors; - goto done; - } - - handle->info.ref_count--; - - /* Note that even with resident modules, we must track the ref_count - correctly incase the user decides to reset the residency flag - later (even though the API makes no provision for that at the - moment). */ - if (handle->info.ref_count <= 0 && !LT_DLIS_RESIDENT (handle)) - { - lt_user_data data = handle->loader->dlloader_data; - - if (handle != handles) - { - last->next = handle->next; - } - else - { - handles = handle->next; - } - - errors += handle->loader->module_close (data, handle->module); - errors += unload_deplibs(handle); - - /* It is up to the callers to free the data itself. */ - LT_DLFREE (handle->caller_data); - - LT_DLFREE (handle->info.filename); - LT_DLFREE (handle->info.name); - LT_DLFREE (handle); - - goto done; - } - - if (LT_DLIS_RESIDENT (handle)) - { - LT_DLMUTEX_SETERROR (LT_DLSTRERROR (CLOSE_RESIDENT_MODULE)); - ++errors; - } - - done: - LT_DLMUTEX_UNLOCK (); - - return errors; -} - -lt_ptr -lt_dlsym (handle, symbol) - lt_dlhandle handle; - const char *symbol; -{ - size_t lensym; - char lsym[LT_SYMBOL_LENGTH]; - char *sym; - lt_ptr address; - lt_user_data data; - - if (!handle) - { - LT_DLMUTEX_SETERROR (LT_DLSTRERROR (INVALID_HANDLE)); - return 0; - } - - if (!symbol) - { - LT_DLMUTEX_SETERROR (LT_DLSTRERROR (SYMBOL_NOT_FOUND)); - return 0; - } - - lensym = LT_STRLEN (symbol) + LT_STRLEN (handle->loader->sym_prefix) - + LT_STRLEN (handle->info.name); - - if (lensym + LT_SYMBOL_OVERHEAD < LT_SYMBOL_LENGTH) - { - sym = lsym; - } - else - { - sym = LT_EMALLOC (char, lensym + LT_SYMBOL_OVERHEAD + 1); - if (!sym) - { - LT_DLMUTEX_SETERROR (LT_DLSTRERROR (BUFFER_OVERFLOW)); - return 0; - } - } - - data = handle->loader->dlloader_data; - if (handle->info.name) - { - const char *saved_error; - - LT_DLMUTEX_GETERROR (saved_error); - - /* this is a libtool module */ - if (handle->loader->sym_prefix) - { - strcpy(sym, handle->loader->sym_prefix); - strcat(sym, handle->info.name); - } - else - { - strcpy(sym, handle->info.name); - } - - strcat(sym, "_LTX_"); - strcat(sym, symbol); - - /* try "modulename_LTX_symbol" */ - address = handle->loader->find_sym (data, handle->module, sym); - if (address) - { - if (sym != lsym) - { - LT_DLFREE (sym); - } - return address; - } - LT_DLMUTEX_SETERROR (saved_error); - } - - /* otherwise try "symbol" */ - if (handle->loader->sym_prefix) - { - strcpy(sym, handle->loader->sym_prefix); - strcat(sym, symbol); - } - else - { - strcpy(sym, symbol); - } - - address = handle->loader->find_sym (data, handle->module, sym); - if (sym != lsym) - { - LT_DLFREE (sym); - } - - return address; -} - -const char * -lt_dlerror () -{ - const char *error; - - LT_DLMUTEX_GETERROR (error); - LT_DLMUTEX_SETERROR (0); - - return error ? error : NULL; -} - -static int -lt_dlpath_insertdir (ppath, before, dir) - char **ppath; - char *before; - const char *dir; -{ - int errors = 0; - char *canonical = 0; - char *argz = 0; - size_t argz_len = 0; - - assert (ppath); - assert (dir && *dir); - - if (canonicalize_path (dir, &canonical) != 0) - { - ++errors; - goto cleanup; - } - - assert (canonical && *canonical); - - /* If *PPATH is empty, set it to DIR. */ - if (*ppath == 0) - { - assert (!before); /* BEFORE cannot be set without PPATH. */ - assert (dir); /* Without DIR, don't call this function! */ - - *ppath = lt_estrdup (dir); - if (*ppath == 0) - ++errors; - - return errors; - } - - assert (ppath && *ppath); - - if (argzize_path (*ppath, &argz, &argz_len) != 0) - { - ++errors; - goto cleanup; - } - - /* Convert BEFORE into an equivalent offset into ARGZ. This only works - if *PPATH is already canonicalized, and hence does not change length - with respect to ARGZ. We canonicalize each entry as it is added to - the search path, and don't call this function with (uncanonicalized) - user paths, so this is a fair assumption. */ - if (before) - { - assert (*ppath <= before); - assert (before - *ppath <= strlen (*ppath)); - - before = before - *ppath + argz; - } - - if (lt_argz_insert (&argz, &argz_len, before, dir) != 0) - { - ++errors; - goto cleanup; - } - - argz_stringify (argz, argz_len, LT_PATHSEP_CHAR); - LT_DLMEM_REASSIGN (*ppath, argz); - - cleanup: - LT_DLFREE (canonical); - LT_DLFREE (argz); - - return errors; -} - -int -lt_dladdsearchdir (search_dir) - const char *search_dir; -{ - int errors = 0; - - if (search_dir && *search_dir) - { - LT_DLMUTEX_LOCK (); - if (lt_dlpath_insertdir (&user_search_path, 0, search_dir) != 0) - ++errors; - LT_DLMUTEX_UNLOCK (); - } - - return errors; -} - -int -lt_dlinsertsearchdir (before, search_dir) - const char *before; - const char *search_dir; -{ - int errors = 0; - - if (before) - { - LT_DLMUTEX_LOCK (); - if ((before < user_search_path) - || (before >= user_search_path + LT_STRLEN (user_search_path))) - { - LT_DLMUTEX_UNLOCK (); - LT_DLMUTEX_SETERROR (LT_DLSTRERROR (INVALID_POSITION)); - return 1; - } - LT_DLMUTEX_UNLOCK (); - } - - if (search_dir && *search_dir) - { - LT_DLMUTEX_LOCK (); - if (lt_dlpath_insertdir (&user_search_path, - (char *) before, search_dir) != 0) - { - ++errors; - } - LT_DLMUTEX_UNLOCK (); - } - - return errors; -} - -int -lt_dlsetsearchpath (search_path) - const char *search_path; -{ - int errors = 0; - - LT_DLMUTEX_LOCK (); - LT_DLFREE (user_search_path); - LT_DLMUTEX_UNLOCK (); - - if (!search_path || !LT_STRLEN (search_path)) - { - return errors; - } - - LT_DLMUTEX_LOCK (); - if (canonicalize_path (search_path, &user_search_path) != 0) - ++errors; - LT_DLMUTEX_UNLOCK (); - - return errors; -} - -const char * -lt_dlgetsearchpath () -{ - const char *saved_path; - - LT_DLMUTEX_LOCK (); - saved_path = user_search_path; - LT_DLMUTEX_UNLOCK (); - - return saved_path; -} - -int -lt_dlmakeresident (handle) - lt_dlhandle handle; -{ - int errors = 0; - - if (!handle) - { - LT_DLMUTEX_SETERROR (LT_DLSTRERROR (INVALID_HANDLE)); - ++errors; - } - else - { - LT_DLSET_FLAG (handle, LT_DLRESIDENT_FLAG); - } - - return errors; -} - -int -lt_dlisresident (handle) - lt_dlhandle handle; -{ - if (!handle) - { - LT_DLMUTEX_SETERROR (LT_DLSTRERROR (INVALID_HANDLE)); - return -1; - } - - return LT_DLIS_RESIDENT (handle); -} - - - - -/* --- MODULE INFORMATION --- */ - -const lt_dlinfo * -lt_dlgetinfo (handle) - lt_dlhandle handle; -{ - if (!handle) - { - LT_DLMUTEX_SETERROR (LT_DLSTRERROR (INVALID_HANDLE)); - return 0; - } - - return &(handle->info); -} - -lt_dlhandle -lt_dlhandle_next (place) - lt_dlhandle place; -{ - return place ? place->next : handles; -} - -int -lt_dlforeach (func, data) - int (*func) LT_PARAMS((lt_dlhandle handle, lt_ptr data)); - lt_ptr data; -{ - int errors = 0; - lt_dlhandle cur; - - LT_DLMUTEX_LOCK (); - - cur = handles; - while (cur) - { - lt_dlhandle tmp = cur; - - cur = cur->next; - if ((*func) (tmp, data)) - { - ++errors; - break; - } - } - - LT_DLMUTEX_UNLOCK (); - - return errors; -} - -lt_dlcaller_id -lt_dlcaller_register () -{ - static lt_dlcaller_id last_caller_id = 0; - int result; - - LT_DLMUTEX_LOCK (); - result = ++last_caller_id; - LT_DLMUTEX_UNLOCK (); - - return result; -} - -lt_ptr -lt_dlcaller_set_data (key, handle, data) - lt_dlcaller_id key; - lt_dlhandle handle; - lt_ptr data; -{ - int n_elements = 0; - lt_ptr stale = (lt_ptr) 0; - int i; - - /* This needs to be locked so that the caller data can be updated - simultaneously by different threads. */ - LT_DLMUTEX_LOCK (); - - if (handle->caller_data) - while (handle->caller_data[n_elements].key) - ++n_elements; - - for (i = 0; i < n_elements; ++i) - { - if (handle->caller_data[i].key == key) - { - stale = handle->caller_data[i].data; - break; - } - } - - /* Ensure that there is enough room in this handle's caller_data - array to accept a new element (and an empty end marker). */ - if (i == n_elements) - { - lt_caller_data *temp - = LT_DLREALLOC (lt_caller_data, handle->caller_data, 2+ n_elements); - - if (!temp) - { - stale = 0; - goto done; - } - - handle->caller_data = temp; - - /* We only need this if we needed to allocate a new caller_data. */ - handle->caller_data[i].key = key; - handle->caller_data[1+ i].key = 0; - } - - handle->caller_data[i].data = data; - - done: - LT_DLMUTEX_UNLOCK (); - - return stale; -} - -lt_ptr -lt_dlcaller_get_data (key, handle) - lt_dlcaller_id key; - lt_dlhandle handle; -{ - lt_ptr result = (lt_ptr) 0; - - /* This needs to be locked so that the caller data isn't updated by - another thread part way through this function. */ - LT_DLMUTEX_LOCK (); - - /* Locate the index of the element with a matching KEY. */ - { - int i; - for (i = 0; handle->caller_data[i].key; ++i) - { - if (handle->caller_data[i].key == key) - { - result = handle->caller_data[i].data; - break; - } - } - } - - LT_DLMUTEX_UNLOCK (); - - return result; -} - - - -/* --- USER MODULE LOADER API --- */ - - -int -lt_dlloader_add (place, dlloader, loader_name) - lt_dlloader *place; - const struct lt_user_dlloader *dlloader; - const char *loader_name; -{ - int errors = 0; - lt_dlloader *node = 0, *ptr = 0; - - if ((dlloader == 0) /* diagnose null parameters */ - || (dlloader->module_open == 0) - || (dlloader->module_close == 0) - || (dlloader->find_sym == 0)) - { - LT_DLMUTEX_SETERROR (LT_DLSTRERROR (INVALID_LOADER)); - return 1; - } - - /* Create a new dlloader node with copies of the user callbacks. */ - node = LT_EMALLOC (lt_dlloader, 1); - if (!node) - return 1; - - node->next = 0; - node->loader_name = loader_name; - node->sym_prefix = dlloader->sym_prefix; - node->dlloader_exit = dlloader->dlloader_exit; - node->module_open = dlloader->module_open; - node->module_close = dlloader->module_close; - node->find_sym = dlloader->find_sym; - node->dlloader_data = dlloader->dlloader_data; - - LT_DLMUTEX_LOCK (); - if (!loaders) - { - /* If there are no loaders, NODE becomes the list! */ - loaders = node; - } - else if (!place) - { - /* If PLACE is not set, add NODE to the end of the - LOADERS list. */ - for (ptr = loaders; ptr->next; ptr = ptr->next) - { - /*NOWORK*/; - } - - ptr->next = node; - } - else if (loaders == place) - { - /* If PLACE is the first loader, NODE goes first. */ - node->next = place; - loaders = node; - } - else - { - /* Find the node immediately preceding PLACE. */ - for (ptr = loaders; ptr->next != place; ptr = ptr->next) - { - /*NOWORK*/; - } - - if (ptr->next != place) - { - LT_DLMUTEX_SETERROR (LT_DLSTRERROR (INVALID_LOADER)); - ++errors; - } - else - { - /* Insert NODE between PTR and PLACE. */ - node->next = place; - ptr->next = node; - } - } - - LT_DLMUTEX_UNLOCK (); - - return errors; -} - -int -lt_dlloader_remove (loader_name) - const char *loader_name; -{ - lt_dlloader *place = lt_dlloader_find (loader_name); - lt_dlhandle handle; - int errors = 0; - - if (!place) - { - LT_DLMUTEX_SETERROR (LT_DLSTRERROR (INVALID_LOADER)); - return 1; - } - - LT_DLMUTEX_LOCK (); - - /* Fail if there are any open modules which use this loader. */ - for (handle = handles; handle; handle = handle->next) - { - if (handle->loader == place) - { - LT_DLMUTEX_SETERROR (LT_DLSTRERROR (REMOVE_LOADER)); - ++errors; - goto done; - } - } - - if (place == loaders) - { - /* PLACE is the first loader in the list. */ - loaders = loaders->next; - } - else - { - /* Find the loader before the one being removed. */ - lt_dlloader *prev; - for (prev = loaders; prev->next; prev = prev->next) - { - if (!strcmp (prev->next->loader_name, loader_name)) - { - break; - } - } - - place = prev->next; - prev->next = prev->next->next; - } - - if (place->dlloader_exit) - { - errors = place->dlloader_exit (place->dlloader_data); - } - - LT_DLFREE (place); - - done: - LT_DLMUTEX_UNLOCK (); - - return errors; -} - -lt_dlloader * -lt_dlloader_next (place) - lt_dlloader *place; -{ - lt_dlloader *next; - - LT_DLMUTEX_LOCK (); - next = place ? place->next : loaders; - LT_DLMUTEX_UNLOCK (); - - return next; -} - -const char * -lt_dlloader_name (place) - lt_dlloader *place; -{ - const char *name = 0; - - if (place) - { - LT_DLMUTEX_LOCK (); - name = place ? place->loader_name : 0; - LT_DLMUTEX_UNLOCK (); - } - else - { - LT_DLMUTEX_SETERROR (LT_DLSTRERROR (INVALID_LOADER)); - } - - return name; -} - -lt_user_data * -lt_dlloader_data (place) - lt_dlloader *place; -{ - lt_user_data *data = 0; - - if (place) - { - LT_DLMUTEX_LOCK (); - data = place ? &(place->dlloader_data) : 0; - LT_DLMUTEX_UNLOCK (); - } - else - { - LT_DLMUTEX_SETERROR (LT_DLSTRERROR (INVALID_LOADER)); - } - - return data; -} - -lt_dlloader * -lt_dlloader_find (loader_name) - const char *loader_name; -{ - lt_dlloader *place = 0; - - LT_DLMUTEX_LOCK (); - for (place = loaders; place; place = place->next) - { - if (strcmp (place->loader_name, loader_name) == 0) - { - break; - } - } - LT_DLMUTEX_UNLOCK (); - - return place; -} diff --git a/gcc-4.7/libjava/libltdl/ltdl.h b/gcc-4.7/libjava/libltdl/ltdl.h deleted file mode 100644 index c31c579d4..000000000 --- a/gcc-4.7/libjava/libltdl/ltdl.h +++ /dev/null @@ -1,366 +0,0 @@ -/* ltdl.h -- generic dlopen functions - Copyright (C) 1998-2000 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., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA -*/ - -/* Only include this header file once. */ -#ifndef LTDL_H -#define LTDL_H 1 - -#include <sys/types.h> /* for size_t declaration */ - - -/* --- MACROS FOR PORTABILITY --- */ - - -/* Saves on those hard to debug '\0' typos.... */ -#define LT_EOS_CHAR '\0' - -/* LTDL_BEGIN_C_DECLS should be used at the beginning of your declarations, - so that C++ compilers don't mangle their names. Use LTDL_END_C_DECLS at - the end of C declarations. */ -#ifdef __cplusplus -# define LT_BEGIN_C_DECLS extern "C" { -# define LT_END_C_DECLS } -#else -# define LT_BEGIN_C_DECLS /* empty */ -# define LT_END_C_DECLS /* empty */ -#endif - -LT_BEGIN_C_DECLS - - -/* LT_PARAMS is a macro used to wrap function prototypes, so that compilers - that don't understand ANSI C prototypes still work, and ANSI C - compilers can issue warnings about type mismatches. */ -#if defined (__STDC__) || defined (_AIX) || (defined (__mips) && defined (_SYSTYPE_SVR4)) || defined(WIN32) || defined(__cplusplus) -# define LT_PARAMS(protos) protos -# define lt_ptr void* -#else -# define LT_PARAMS(protos) () -# define lt_ptr char* -#endif - -/* LT_STMT_START/END are used to create macros which expand to a - a single compound statement in a portable way. */ -#if defined (__GNUC__) && !defined (__STRICT_ANSI__) && !defined (__cplusplus) -# define LT_STMT_START (void)( -# define LT_STMT_END ) -#else -# if (defined (sun) || defined (__sun__)) -# define LT_STMT_START if (1) -# define LT_STMT_END else (void)0 -# else -# define LT_STMT_START do -# define LT_STMT_END while (0) -# endif -#endif - -/* LT_CONC creates a new concatenated symbol for the compiler - in a portable way. */ -#if defined(__STDC__) || defined(__cplusplus) || defined(_MSC_VER) -# define LT_CONC(s,t) s##t -#else -# define LT_CONC(s,t) s/**/t -#endif - -/* LT_STRLEN can be used safely on NULL pointers. */ -#define LT_STRLEN(s) (((s) && (s)[0]) ? strlen (s) : 0) - - - -/* --- WINDOWS SUPPORT --- */ - - -/* Canonicalise Windows and Cygwin recognition macros. */ -#ifdef __CYGWIN32__ -# ifndef __CYGWIN__ -# define __CYGWIN__ __CYGWIN32__ -# endif -#endif -#if defined(_WIN32) || defined(WIN32) -# ifndef __WINDOWS__ -# ifdef _WIN32 -# define __WINDOWS__ _WIN32 -# else -# ifdef WIN32 -# define __WINDOWS__ WIN32 -# endif -# endif -# endif -#endif - - -#ifdef __WINDOWS__ -# ifndef __CYGWIN__ -/* LT_DIRSEP_CHAR is accepted *in addition* to '/' as a directory - separator when it is set. */ -# define LT_DIRSEP_CHAR '\\' -# define LT_PATHSEP_CHAR ';' -# endif -#endif -#ifndef LT_PATHSEP_CHAR -# define LT_PATHSEP_CHAR ':' -#endif - -/* DLL building support on win32 hosts; mostly to workaround their - ridiculous implementation of data symbol exporting. */ -#ifndef LT_SCOPE -# ifdef __WINDOWS__ -# ifdef LIBLTDL_DLL_EXPORT /* don't define or ld disables auto-export. */ -# define LT_SCOPE __declspec(dllexport) -# endif -# ifdef LIBLTDL_DLL_IMPORT /* define if linking with this dll */ -# define LT_SCOPE extern __declspec(dllimport) -# endif -# endif -# ifndef LT_SCOPE /* static linking or !__WINDOWS__ */ -# define LT_SCOPE extern -# endif -#endif - - -#if defined(_MSC_VER) /* Visual Studio */ -# define R_OK 4 -#endif - - - -/* --- DYNAMIC MODULE LOADING API --- */ - - -typedef struct lt_dlhandle_struct *lt_dlhandle; /* A loaded module. */ - -/* Initialisation and finalisation functions for libltdl. */ -LT_SCOPE int lt_dlinit LT_PARAMS((void)); -LT_SCOPE int lt_dlexit LT_PARAMS((void)); - -/* Module search path manipulation. */ -LT_SCOPE int lt_dladdsearchdir LT_PARAMS((const char *search_dir)); -LT_SCOPE int lt_dlinsertsearchdir LT_PARAMS((const char *before, - const char *search_dir)); -LT_SCOPE int lt_dlsetsearchpath LT_PARAMS((const char *search_path)); -LT_SCOPE const char *lt_dlgetsearchpath LT_PARAMS((void)); -LT_SCOPE int lt_dlforeachfile LT_PARAMS(( - const char *search_path, - int (*func) (const char *filename, lt_ptr data), - lt_ptr data)); - -/* Portable libltdl versions of the system dlopen() API. */ -LT_SCOPE lt_dlhandle lt_dlopen LT_PARAMS((const char *filename)); -LT_SCOPE lt_dlhandle lt_dlopenext LT_PARAMS((const char *filename)); -LT_SCOPE lt_ptr lt_dlsym LT_PARAMS((lt_dlhandle handle, - const char *name)); -LT_SCOPE const char *lt_dlerror LT_PARAMS((void)); -LT_SCOPE int lt_dlclose LT_PARAMS((lt_dlhandle handle)); - -/* Module residency management. */ -LT_SCOPE int lt_dlmakeresident LT_PARAMS((lt_dlhandle handle)); -LT_SCOPE int lt_dlisresident LT_PARAMS((lt_dlhandle handle)); - - - - -/* --- MUTEX LOCKING --- */ - - -typedef void lt_dlmutex_lock LT_PARAMS((void)); -typedef void lt_dlmutex_unlock LT_PARAMS((void)); -typedef void lt_dlmutex_seterror LT_PARAMS((const char *errmsg)); -typedef const char *lt_dlmutex_geterror LT_PARAMS((void)); - -LT_SCOPE int lt_dlmutex_register LT_PARAMS((lt_dlmutex_lock *lock, - lt_dlmutex_unlock *unlock, - lt_dlmutex_seterror *seterror, - lt_dlmutex_geterror *geterror)); - - - - -/* --- MEMORY HANDLING --- */ - - -/* By default, the realloc function pointer is set to our internal - realloc implementation which iself uses lt_dlmalloc and lt_dlfree. - libltdl relies on a featureful realloc, but if you are sure yours - has the right semantics then you can assign it directly. Generally, - it is safe to assign just a malloc() and a free() function. */ -LT_SCOPE lt_ptr (*lt_dlmalloc) LT_PARAMS((size_t size)); -LT_SCOPE lt_ptr (*lt_dlrealloc) LT_PARAMS((lt_ptr ptr, size_t size)); -LT_SCOPE void (*lt_dlfree) LT_PARAMS((lt_ptr ptr)); - - - - -/* --- PRELOADED MODULE SUPPORT --- */ - - -/* A preopened symbol. Arrays of this type comprise the exported - symbols for a dlpreopened module. */ -typedef struct { - const char *name; - lt_ptr address; -} lt_dlsymlist; - -LT_SCOPE int lt_dlpreload LT_PARAMS((const lt_dlsymlist *preloaded)); -LT_SCOPE int lt_dlpreload_default - LT_PARAMS((const lt_dlsymlist *preloaded)); - -#define LTDL_SET_PRELOADED_SYMBOLS() LT_STMT_START{ \ - extern const lt_dlsymlist lt_preloaded_symbols[]; \ - lt_dlpreload_default(lt_preloaded_symbols); \ - }LT_STMT_END - - - - -/* --- MODULE INFORMATION --- */ - - -/* Read only information pertaining to a loaded module. */ -typedef struct { - char *filename; /* file name */ - char *name; /* module name */ - int ref_count; /* number of times lt_dlopened minus - number of times lt_dlclosed. */ -} lt_dlinfo; - -LT_SCOPE const lt_dlinfo *lt_dlgetinfo LT_PARAMS((lt_dlhandle handle)); -LT_SCOPE lt_dlhandle lt_dlhandle_next LT_PARAMS((lt_dlhandle place)); -LT_SCOPE int lt_dlforeach LT_PARAMS(( - int (*func) (lt_dlhandle handle, lt_ptr data), - lt_ptr data)); - -/* Associating user data with loaded modules. */ -typedef unsigned lt_dlcaller_id; - -LT_SCOPE lt_dlcaller_id lt_dlcaller_register LT_PARAMS((void)); -LT_SCOPE lt_ptr lt_dlcaller_set_data LT_PARAMS((lt_dlcaller_id key, - lt_dlhandle handle, - lt_ptr data)); -LT_SCOPE lt_ptr lt_dlcaller_get_data LT_PARAMS((lt_dlcaller_id key, - lt_dlhandle handle)); - - - -/* --- USER MODULE LOADER API --- */ - - -typedef struct lt_dlloader lt_dlloader; -typedef lt_ptr lt_user_data; -typedef lt_ptr lt_module; - -/* Function pointer types for creating user defined module loaders. */ -typedef lt_module lt_module_open LT_PARAMS((lt_user_data loader_data, - const char *filename)); -typedef int lt_module_close LT_PARAMS((lt_user_data loader_data, - lt_module handle)); -typedef lt_ptr lt_find_sym LT_PARAMS((lt_user_data loader_data, - lt_module handle, - const char *symbol)); -typedef int lt_dlloader_exit LT_PARAMS((lt_user_data loader_data)); - -struct lt_user_dlloader { - const char *sym_prefix; - 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; -}; - -LT_SCOPE lt_dlloader *lt_dlloader_next LT_PARAMS((lt_dlloader *place)); -LT_SCOPE lt_dlloader *lt_dlloader_find LT_PARAMS(( - const char *loader_name)); -LT_SCOPE const char *lt_dlloader_name LT_PARAMS((lt_dlloader *place)); -LT_SCOPE lt_user_data *lt_dlloader_data LT_PARAMS((lt_dlloader *place)); -LT_SCOPE int lt_dlloader_add LT_PARAMS((lt_dlloader *place, - const struct lt_user_dlloader *dlloader, - const char *loader_name)); -LT_SCOPE int lt_dlloader_remove LT_PARAMS(( - const char *loader_name)); - - - -/* --- ERROR MESSAGE HANDLING --- */ - - -/* Defining error strings alongside their symbolic names in a macro in - this way allows us to expand the macro in different contexts with - confidence that the enumeration of symbolic names will map correctly - onto the table of error strings. */ -#define lt_dlerror_table \ - LT_ERROR(UNKNOWN, "unknown error") \ - LT_ERROR(DLOPEN_NOT_SUPPORTED, "dlopen support not available") \ - LT_ERROR(INVALID_LOADER, "invalid loader") \ - LT_ERROR(INIT_LOADER, "loader initialization failed") \ - LT_ERROR(REMOVE_LOADER, "loader removal failed") \ - LT_ERROR(FILE_NOT_FOUND, "file not found") \ - LT_ERROR(DEPLIB_NOT_FOUND, "dependency library not found") \ - LT_ERROR(NO_SYMBOLS, "no symbols defined") \ - LT_ERROR(CANNOT_OPEN, "can't open the module") \ - LT_ERROR(CANNOT_CLOSE, "can't close the module") \ - LT_ERROR(SYMBOL_NOT_FOUND, "symbol not found") \ - LT_ERROR(NO_MEMORY, "not enough memory") \ - LT_ERROR(INVALID_HANDLE, "invalid module handle") \ - LT_ERROR(BUFFER_OVERFLOW, "internal buffer overflow") \ - LT_ERROR(INVALID_ERRORCODE, "invalid errorcode") \ - LT_ERROR(SHUTDOWN, "library already shutdown") \ - LT_ERROR(CLOSE_RESIDENT_MODULE, "can't close resident module") \ - LT_ERROR(INVALID_MUTEX_ARGS, "invalid mutex handler registration") \ - LT_ERROR(INVALID_POSITION, "invalid search path insert position") - -/* Enumerate the symbolic error names. */ -enum { -#define LT_ERROR(name, diagnostic) LT_CONC(LT_ERROR_, name), - lt_dlerror_table -#undef LT_ERROR - - LT_ERROR_MAX -}; - -/* These functions are only useful from inside custom module loaders. */ -LT_SCOPE int lt_dladderror LT_PARAMS((const char *diagnostic)); -LT_SCOPE int lt_dlseterror LT_PARAMS((int errorcode)); - - - - -/* --- SOURCE COMPATIBILITY WITH OLD LIBLTDL --- */ - - -#ifdef LT_NON_POSIX_NAMESPACE -# define lt_ptr_t lt_ptr -# define lt_module_t lt_module -# define lt_module_open_t lt_module_open -# define lt_module_close_t lt_module_close -# define lt_find_sym_t lt_find_sym -# define lt_dlloader_exit_t lt_dlloader_exit -# define lt_dlloader_t lt_dlloader -# define lt_dlloader_data_t lt_user_data -#endif - -LT_END_C_DECLS - -#endif /* !LTDL_H */ diff --git a/gcc-4.7/libjava/libltdl/ltmain.sh b/gcc-4.7/libjava/libltdl/ltmain.sh deleted file mode 100644 index 9be0eb1c3..000000000 --- a/gcc-4.7/libjava/libltdl/ltmain.sh +++ /dev/null @@ -1,6496 +0,0 @@ -# ltmain.sh - Provide generalized library-building support services. -# NOTE: Changing this file will not affect anything until you rerun configure. -# -# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005 -# Free Software Foundation, Inc. -# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996 -# -# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. -# -# As a special exception to the GNU General Public License, if you -# distribute this file as part of a program that contains a -# configuration script generated by Autoconf, you may include it under -# the same distribution terms that you use for the rest of that program. - -basename="s,^.*/,,g" - -# Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh -# is ksh but when the shell is invoked as "sh" and the current value of -# the _XPG environment variable is not equal to 1 (one), the special -# positional parameter $0, within a function call, is the name of the -# function. -progpath="$0" - -# The name of this program: -progname=`echo "$progpath" | $SED $basename` -modename="$progname" - -# Global variables: -EXIT_SUCCESS=0 -EXIT_FAILURE=1 - -PROGRAM=ltmain.sh -PACKAGE=libtool -VERSION=1.5.16 -TIMESTAMP=" (1.1220.2.235 2005/04/25 18:13:26)" - -# See if we are running on zsh, and set the options which allow our -# commands through without removal of \ escapes. -if test -n "${ZSH_VERSION+set}" ; then - setopt NO_GLOB_SUBST -fi - -# Check that we have a working $echo. -if test "X$1" = X--no-reexec; then - # Discard the --no-reexec flag, and continue. - shift -elif test "X$1" = X--fallback-echo; then - # Avoid inline document here, it may be left over - : -elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then - # Yippee, $echo works! - : -else - # Restart under the correct shell, and then maybe $echo will work. - exec $SHELL "$progpath" --no-reexec ${1+"$@"} -fi - -if test "X$1" = X--fallback-echo; then - # used as fallback echo - shift - cat <<EOF -$* -EOF - exit $EXIT_SUCCESS -fi - -default_mode= -help="Try \`$progname --help' for more information." -magic="%%%MAGIC variable%%%" -mkdir="mkdir" -mv="mv -f" -rm="rm -f" - -# Sed substitution that helps us do robust quoting. It backslashifies -# metacharacters that are still active within double-quoted strings. -Xsed="${SED}"' -e 1s/^X//' -sed_quote_subst='s/\([\\`\\"$\\\\]\)/\\\1/g' -# test EBCDIC or ASCII -case `echo A|tr A '\301'` in - A) # EBCDIC based system - SP2NL="tr '\100' '\n'" - NL2SP="tr '\r\n' '\100\100'" - ;; - *) # Assume ASCII based system - SP2NL="tr '\040' '\012'" - NL2SP="tr '\015\012' '\040\040'" - ;; -esac - -# NLS nuisances. -# Only set LANG and LC_ALL to C if already set. -# These must not be set unconditionally because not all systems understand -# e.g. LANG=C (notably SCO). -# We save the old values to restore during execute mode. -if test "${LC_ALL+set}" = set; then - save_LC_ALL="$LC_ALL"; LC_ALL=C; export LC_ALL -fi -if test "${LANG+set}" = set; then - save_LANG="$LANG"; LANG=C; export LANG -fi - -# Make sure IFS has a sensible default -lt_nl=' -' -IFS=" $lt_nl" - -if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then - $echo "$modename: not configured to build any kind of library" 1>&2 - $echo "Fatal configuration error. 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Grab either from any GNU archive site." - file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'` - if test -z "$file"; then - file=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'` - file=`sed -n '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $file` - fi - touch $file - ;; - - tar) - shift - - # We have already tried tar in the generic part. - # Look for gnutar/gtar before invocation to avoid ugly error - # messages. - if (gnutar --version > /dev/null 2>&1); then - gnutar "$@" && exit 0 - fi - if (gtar --version > /dev/null 2>&1); then - gtar "$@" && exit 0 - fi - firstarg="$1" - if shift; then - case "$firstarg" in - *o*) - firstarg=`echo "$firstarg" | sed s/o//` - tar "$firstarg" "$@" && exit 0 - ;; - esac - case "$firstarg" in - *h*) - firstarg=`echo "$firstarg" | sed s/h//` - tar "$firstarg" "$@" && exit 0 - ;; - esac - fi - - echo 1>&2 "\ -WARNING: I can't seem to be able to run \`tar' with the given arguments. - You may want to install GNU tar or Free paxutils, or check the - command line arguments." - exit 1 - ;; - - *) - echo 1>&2 "\ -WARNING: \`$1' is needed, and is $msg. - You might have modified some files without having the - proper tools for further handling them. 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