1260684Skaiw/*- 2260684Skaiw * Copyright (c) 2006,2008 Joseph Koshy 3260684Skaiw * All rights reserved. 4260684Skaiw * 5260684Skaiw * Redistribution and use in source and binary forms, with or without 6260684Skaiw * modification, are permitted provided that the following conditions 7260684Skaiw * are met: 8260684Skaiw * 1. Redistributions of source code must retain the above copyright 9260684Skaiw * notice, this list of conditions and the following disclaimer. 10260684Skaiw * 2. Redistributions in binary form must reproduce the above copyright 11260684Skaiw * notice, this list of conditions and the following disclaimer in the 12260684Skaiw * documentation and/or other materials provided with the distribution. 13260684Skaiw * 14260684Skaiw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15260684Skaiw * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16260684Skaiw * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17260684Skaiw * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18260684Skaiw * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19260684Skaiw * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20260684Skaiw * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21260684Skaiw * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22260684Skaiw * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23260684Skaiw * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24260684Skaiw * SUCH DAMAGE. 25260684Skaiw */ 26260684Skaiw 27260684Skaiw#include <libelf.h> 28260684Skaiw 29260684Skaiw#include "_libelf.h" 30260684Skaiw 31260684SkaiwELFTC_VCSID("$Id: elf_cntl.c 2225 2011-11-26 18:55:54Z jkoshy $"); 32260684Skaiw 33260684Skaiwint 34260684Skaiwelf_cntl(Elf *e, Elf_Cmd c) 35260684Skaiw{ 36260684Skaiw if (e == NULL || 37260684Skaiw (c != ELF_C_FDDONE && c != ELF_C_FDREAD)) { 38260684Skaiw LIBELF_SET_ERROR(ARGUMENT, 0); 39260684Skaiw return (-1); 40260684Skaiw } 41260684Skaiw 42260684Skaiw if (e->e_parent) { 43260684Skaiw LIBELF_SET_ERROR(ARCHIVE, 0); 44260684Skaiw return (-1); 45260684Skaiw } 46260684Skaiw 47260684Skaiw if (c == ELF_C_FDREAD) { 48260684Skaiw if (e->e_cmd == ELF_C_WRITE) { 49260684Skaiw LIBELF_SET_ERROR(MODE, 0); 50260684Skaiw return (-1); 51260684Skaiw } 52260684Skaiw else 53260684Skaiw return (0); 54260684Skaiw } 55260684Skaiw 56260684Skaiw e->e_fd = -1; 57260684Skaiw return 0; 58260684Skaiw} 59