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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/* Load a shared object at run time.
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Copyright (C) 1995,96,97,98,99,2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <dlfcn.h>
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#include <stddef.h>
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struct dlopen_args
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{
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/* The arguments for dlopen_doit. */
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const char *file;
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int mode;
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/* The return value of dlopen_doit. */
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void *new;
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/* Address of the caller. */
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const void *caller;
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};
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static void
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dlopen_doit (void *a)
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{
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struct dlopen_args *args = (struct dlopen_args *) a;
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args->new = _dl_open (args->file ?: "", args->mode | __RTLD_DLOPEN,
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args->caller);
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}
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extern void *__dlopen_check (const char *file, int mode);
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void *
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__dlopen_check (const char *file, int mode)
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{
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struct dlopen_args args;
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args.file = file;
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args.mode = mode;
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args.caller = RETURN_ADDRESS (0);
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return _dlerror_run (dlopen_doit, &args) ? NULL : args.new;
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}
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#include <shlib-compat.h>
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versioned_symbol (libdl, __dlopen_check, dlopen, GLIBC_2_1);
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