File: | src/lib/libelf/elf_shstrndx.c |
Warning: | line 46, column 7 Although the value stored to 'eh' is used in the enclosing expression, the value is never actually read from 'eh' |
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1 | /*- |
2 | * Copyright (c) 2006,2008 Joseph Koshy |
3 | * All rights reserved. |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
8 | * 1. Redistributions of source code must retain the above copyright |
9 | * notice, this list of conditions and the following disclaimer. |
10 | * 2. Redistributions in binary form must reproduce the above copyright |
11 | * notice, this list of conditions and the following disclaimer in the |
12 | * documentation and/or other materials provided with the distribution. |
13 | * |
14 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
15 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
17 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
18 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
19 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
20 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
21 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
22 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
23 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
24 | * SUCH DAMAGE. |
25 | */ |
26 | |
27 | #include <ar.h> |
28 | #include <libelf.h> |
29 | |
30 | #include "_libelf.h" |
31 | |
32 | ELFTC_VCSID("$Id: elf_shstrndx.c,v 1.1 2019/02/01 05:27:37 jsg Exp $"); |
33 | |
34 | static int |
35 | _libelf_getshdrstrndx(Elf *e, size_t *strndx) |
36 | { |
37 | void *eh; |
38 | int ec; |
39 | |
40 | if (e == NULL((void *)0) || e->e_kind != ELF_K_ELF || |
41 | ((ec = e->e_class) != ELFCLASS321 && ec != ELFCLASS642)) { |
42 | LIBELF_SET_ERROR(ARGUMENT, 0)do { (_libelf.libelf_error) = (((ELF_E_ARGUMENT) & 0xFF) | (((0)) << 8)); } while (0); |
43 | return (-1); |
44 | } |
45 | |
46 | if ((eh = _libelf_ehdr(e, ec, 0)) == NULL((void *)0)) |
Although the value stored to 'eh' is used in the enclosing expression, the value is never actually read from 'eh' | |
47 | return (-1); |
48 | |
49 | *strndx = e->e_u.e_elf.e_strndx; |
50 | |
51 | return (0); |
52 | } |
53 | |
54 | int |
55 | elf_getshdrstrndx(Elf *e, size_t *strndx) |
56 | { |
57 | return (_libelf_getshdrstrndx(e, strndx)); |
58 | } |
59 | |
60 | int |
61 | elf_getshstrndx(Elf *e, size_t *strndx) /* Deprecated API. */ |
62 | { |
63 | return (_libelf_getshdrstrndx(e, strndx) >= 0); |
64 | } |
65 | |
66 | int |
67 | elf_setshstrndx(Elf *e, size_t strndx) |
68 | { |
69 | void *eh; |
70 | int ec; |
71 | |
72 | if (e == NULL((void *)0) || e->e_kind != ELF_K_ELF || |
73 | ((ec = e->e_class) != ELFCLASS321 && ec != ELFCLASS642) || |
74 | ((eh = _libelf_ehdr(e, ec, 0)) == NULL((void *)0))) { |
75 | LIBELF_SET_ERROR(ARGUMENT, 0)do { (_libelf.libelf_error) = (((ELF_E_ARGUMENT) & 0xFF) | (((0)) << 8)); } while (0); |
76 | return (0); |
77 | } |
78 | |
79 | return (_libelf_setshstrndx(e, eh, ec, strndx)); |
80 | } |