1*f8fb3368SJohn Marino /*-
2*f8fb3368SJohn Marino * Copyright (c) 2006,2008 Joseph Koshy
3*f8fb3368SJohn Marino * All rights reserved.
4*f8fb3368SJohn Marino *
5*f8fb3368SJohn Marino * Redistribution and use in source and binary forms, with or without
6*f8fb3368SJohn Marino * modification, are permitted provided that the following conditions
7*f8fb3368SJohn Marino * are met:
8*f8fb3368SJohn Marino * 1. Redistributions of source code must retain the above copyright
9*f8fb3368SJohn Marino * notice, this list of conditions and the following disclaimer.
10*f8fb3368SJohn Marino * 2. Redistributions in binary form must reproduce the above copyright
11*f8fb3368SJohn Marino * notice, this list of conditions and the following disclaimer in the
12*f8fb3368SJohn Marino * documentation and/or other materials provided with the distribution.
13*f8fb3368SJohn Marino *
14*f8fb3368SJohn Marino * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*f8fb3368SJohn Marino * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*f8fb3368SJohn Marino * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*f8fb3368SJohn Marino * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*f8fb3368SJohn Marino * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*f8fb3368SJohn Marino * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*f8fb3368SJohn Marino * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*f8fb3368SJohn Marino * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*f8fb3368SJohn Marino * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*f8fb3368SJohn Marino * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*f8fb3368SJohn Marino * SUCH DAMAGE.
25*f8fb3368SJohn Marino */
26*f8fb3368SJohn Marino
27*f8fb3368SJohn Marino #include <libelf.h>
28*f8fb3368SJohn Marino
29*f8fb3368SJohn Marino #include "_libelf.h"
30*f8fb3368SJohn Marino
31*f8fb3368SJohn Marino ELFTC_VCSID("$Id: elf_cntl.c 2225 2011-11-26 18:55:54Z jkoshy $");
32*f8fb3368SJohn Marino
33*f8fb3368SJohn Marino int
elf_cntl(Elf * e,Elf_Cmd c)34*f8fb3368SJohn Marino elf_cntl(Elf *e, Elf_Cmd c)
35*f8fb3368SJohn Marino {
36*f8fb3368SJohn Marino if (e == NULL ||
37*f8fb3368SJohn Marino (c != ELF_C_FDDONE && c != ELF_C_FDREAD)) {
38*f8fb3368SJohn Marino LIBELF_SET_ERROR(ARGUMENT, 0);
39*f8fb3368SJohn Marino return (-1);
40*f8fb3368SJohn Marino }
41*f8fb3368SJohn Marino
42*f8fb3368SJohn Marino if (e->e_parent) {
43*f8fb3368SJohn Marino LIBELF_SET_ERROR(ARCHIVE, 0);
44*f8fb3368SJohn Marino return (-1);
45*f8fb3368SJohn Marino }
46*f8fb3368SJohn Marino
47*f8fb3368SJohn Marino if (c == ELF_C_FDREAD) {
48*f8fb3368SJohn Marino if (e->e_cmd == ELF_C_WRITE) {
49*f8fb3368SJohn Marino LIBELF_SET_ERROR(MODE, 0);
50*f8fb3368SJohn Marino return (-1);
51*f8fb3368SJohn Marino }
52*f8fb3368SJohn Marino else
53*f8fb3368SJohn Marino return (0);
54*f8fb3368SJohn Marino }
55*f8fb3368SJohn Marino
56*f8fb3368SJohn Marino e->e_fd = -1;
57*f8fb3368SJohn Marino return 0;
58*f8fb3368SJohn Marino }
59