From 4f0f217c1b6a8c888ff8a1c60d1eb36cbdf14490 Mon Sep 17 00:00:00 2001 From: Nathan Binkert Date: Sat, 26 May 2007 18:15:22 -0700 Subject: Get rid of GNU libelf and its autoconf nastiness and replace it with FreeBSD's implementation --HG-- extra : convert_revision : ef9c4551b9a6b54b76a89f286ff9804c55790621 --- ext/libelf/elf_cntl.c | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 ext/libelf/elf_cntl.c (limited to 'ext/libelf/elf_cntl.c') diff --git a/ext/libelf/elf_cntl.c b/ext/libelf/elf_cntl.c new file mode 100644 index 000000000..20b0af8ca --- /dev/null +++ b/ext/libelf/elf_cntl.c @@ -0,0 +1,57 @@ +/*- + * 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 "libelf.h" + +#include "_libelf.h" + +int +elf_cntl(Elf *e, Elf_Cmd c) +{ + if (e == NULL || + (c != ELF_C_FDDONE && c != ELF_C_FDREAD)) { + LIBELF_SET_ERROR(ARGUMENT, 0); + return (-1); + } + + if (e->e_parent) { + LIBELF_SET_ERROR(ARCHIVE, 0); + return (-1); + } + + if (c == ELF_C_FDREAD) { + if (e->e_cmd == ELF_C_WRITE) { + LIBELF_SET_ERROR(MODE, 0); + return (-1); + } + else + return (0); + } + + e->e_fd = -1; + return 0; +} -- cgit v1.2.3