57 lines
1.6 KiB
C
Executable File
57 lines
1.6 KiB
C
Executable File
/*
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32.newehdr.c - implementation of the elf32_newehdr(3) function.
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Copyright (C) 1995 Michael Riepe <riepe@ifwsn4.ifw.uni-hannover.de>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <private.h>
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Elf32_Ehdr*
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elf32_newehdr(Elf *elf) {
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Elf32_Ehdr *ehdr;
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size_t size;
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if (!elf) {
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return NULL;
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}
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elf_assert(elf->e_magic == ELF_MAGIC);
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if (elf->e_readable) {
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return elf32_getehdr(elf);
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}
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else if (!elf->e_ehdr) {
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size = _msize32(_elf_version, ELF_T_EHDR);
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elf_assert(size);
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if ((ehdr = (Elf32_Ehdr*)malloc(size))) {
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memset(ehdr, 0, size);
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elf->e_ehdr = (char*)ehdr;
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elf->e_free_ehdr = 1;
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elf->e_ehdr_flags |= ELF_F_DIRTY;
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elf->e_kind = ELF_K_ELF;
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elf->e_class = ELFCLASS32;
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return ehdr;
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}
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seterr(ERROR_MEM_EHDR);
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}
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else if (elf->e_class != ELFCLASS32) {
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seterr(ERROR_CLASSMISMATCH);
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}
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else {
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elf_assert(elf->e_kind == ELF_K_ELF);
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return (Elf32_Ehdr*)elf->e_ehdr;
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}
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return NULL;
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}
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