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63 lines
1.8 KiB
63 lines
1.8 KiB
/* Coordinate ELF library and application versions.
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Copyright (C) 1998, 1999, 2000, 2002, 2015 Red Hat, Inc.
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This file is part of elfutils.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 1998.
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This file is free software; you can redistribute it and/or modify
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it under the terms of either
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* the GNU Lesser General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at
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your option) any later version
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or
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* the GNU General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at
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your option) any later version
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or both in parallel, as here.
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elfutils is distributed in the hope that it will be useful, but
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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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General Public License for more details.
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You should have received copies of the GNU General Public License and
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the GNU Lesser General Public License along with this program. If
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not, see <http://www.gnu.org/licenses/>. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <libelfP.h>
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/* Currently selected version. Should be EV_CURRENT.
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Will be EV_NONE if elf_version () has not been called yet. */
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unsigned int __libelf_version = EV_NONE;
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unsigned int
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elf_version (unsigned int version)
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{
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if (version == EV_NONE)
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return EV_CURRENT;
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if (likely (version == EV_CURRENT))
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{
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/* Phew, we know this version. */
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/* Signal that the version is now initialized. */
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__libelf_version = EV_CURRENT;
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/* And return the last (or initial) version. */
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return EV_CURRENT;
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}
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/* We cannot handle this version. */
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__libelf_seterrno (ELF_E_UNKNOWN_VERSION);
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return EV_NONE;
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}
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INTDEF(elf_version)
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