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/*
getscn.c - implementation of the elf_getscn(3) function.
Copyright (C) 1995 Michael Riepe <riepe@ifwsn4.ifw.uni-hannover.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <private.h>
Elf_Scn*
elf_getscn(Elf *elf, size_t index) {
Elf_Scn *scn;
if (!elf) {
return NULL;
}
elf_assert(elf->e_magic == ELF_MAGIC);
if (elf->e_kind != ELF_K_ELF) {
seterr(ERROR_NOTELF);
}
else if (elf->e_ehdr || _elf_cook(elf)) {
for (scn = elf->e_scn_1; scn; scn = scn->s_link) {
elf_assert(scn->s_magic == SCN_MAGIC);
elf_assert(scn->s_elf == elf);
if (scn->s_index == index) {
return scn;
}
}
seterr(ERROR_NOSUCHSCN);
}
return NULL;
}
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