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20bb288327
* dlfcn/defaultmod1.c: Add prototypes to avoid warnings. * dlfcn/defaultmod2.c: Likewise. * dlfcn/dlopen.c: Likewise. * dlfcn/dlopenold.c: Likewise. * dlfcn/failtestmod.c: Likewise. * dlfcn/glreflib1.c: Likewise. * dlfcn/glreflib2.c: Likewise. * dlfcn/eval.c: Likewise. Add attributes. * ctype/ctype-extn.c: Define isblank and not __isblank.
66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/* Load a shared object at run time.
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Copyright (C) 1995-1999, 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <dlfcn.h>
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#include <stddef.h>
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/* This file is for compatibility with glibc 2.0. Compile it only if
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versioning is used. */
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#include <shlib-compat.h>
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#if SHLIB_COMPAT (libdl, GLIBC_2_0, GLIBC_2_1)
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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_nocheck (const char *file, int mode);
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void *
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__dlopen_nocheck (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.caller = RETURN_ADDRESS (0);
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if ((mode & RTLD_BINDING_MASK) == 0)
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/* By default assume RTLD_LAZY. */
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mode |= RTLD_LAZY;
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args.mode = mode;
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return _dlerror_run (dlopen_doit, &args) ? NULL : args.new;
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}
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compat_symbol (libdl, __dlopen_nocheck, dlopen, GLIBC_2_0);
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#endif
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