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author | jkoshy <jkoshy@FreeBSD.org> | 2006-11-11 17:16:35 +0000 |
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committer | jkoshy <jkoshy@FreeBSD.org> | 2006-11-11 17:16:35 +0000 |
commit | 62913629e64cdad23072cfd4ad8340f4c0b91ec5 (patch) | |
tree | c2ad604787a38d6ad26a0bffea71f283f73e901d /lib/libelf/elf_version.c | |
parent | c51a2c2df9d95524e4fec5b0ec36ca0a9f503823 (diff) | |
download | FreeBSD-src-62913629e64cdad23072cfd4ad8340f4c0b91ec5.zip FreeBSD-src-62913629e64cdad23072cfd4ad8340f4c0b91ec5.tar.gz |
MFP4: Add an implementation of the ELF(3) and GELF(3) API set.
Bump __FreeBSD_version.
Reviewed by: jb
Diffstat (limited to 'lib/libelf/elf_version.c')
-rw-r--r-- | lib/libelf/elf_version.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/lib/libelf/elf_version.c b/lib/libelf/elf_version.c new file mode 100644 index 0000000..7f66d42 --- /dev/null +++ b/lib/libelf/elf_version.c @@ -0,0 +1,51 @@ +/*- + * Copyright (c) 2006 Joseph Koshy + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <libelf.h> + +#include "_libelf.h" + +unsigned int +elf_version(unsigned int v) +{ + unsigned int old; + + if ((old = LIBELF_PRIVATE(version)) == EV_NONE) + old = EV_CURRENT; + + if (v == EV_NONE) + return old; + if (v > EV_CURRENT) { + LIBELF_SET_ERROR(VERSION, 0); + return EV_NONE; + } + + LIBELF_PRIVATE(version) = v; + return (old); +} |