| 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 | } |