?? 32.newehdr.c
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/*32.newehdr.c - implementation of the elf{32,64}_newehdr(3) functions.Copyright (C) 1995 - 2000 Michael Riepe <michael@stud.uni-hannover.de>This library is free software; you can redistribute it and/ormodify it under the terms of the GNU Library General PublicLicense as published by the Free Software Foundation; eitherversion 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 ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNULibrary General Public License for more details.You should have received a copy of the GNU Library General PublicLicense along with this library; if not, write to the Free SoftwareFoundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.*/#include <private.h>#ifndef lintstatic const char rcsid[] = "@(#) $Id: 32.newehdr.c,v 1.9 2000/03/31 12:42:32 michael Exp $";#endif /* lint */static char*_elf_newehdr(Elf *elf, unsigned cls) { size_t size; if (!elf) { return NULL; } elf_assert(elf->e_magic == ELF_MAGIC); if (elf->e_readable) { return _elf_getehdr(elf, cls); } else if (!elf->e_ehdr) { size = _msize(cls, _elf_version, ELF_T_EHDR); elf_assert(size); if ((elf->e_ehdr = (char*)malloc(size))) { memset(elf->e_ehdr, 0, size); elf->e_free_ehdr = 1; elf->e_ehdr_flags |= ELF_F_DIRTY; elf->e_kind = ELF_K_ELF; elf->e_class = cls; return elf->e_ehdr; } seterr(ERROR_MEM_EHDR); } else if (elf->e_class != cls) { seterr(ERROR_CLASSMISMATCH); } else { elf_assert(elf->e_kind == ELF_K_ELF); return elf->e_ehdr; } return NULL;}Elf32_Ehdr*elf32_newehdr(Elf *elf) { return (Elf32_Ehdr*)_elf_newehdr(elf, ELFCLASS32);}#if __LIBELF64Elf64_Ehdr*elf64_newehdr(Elf *elf) { return (Elf64_Ehdr*)_elf_newehdr(elf, ELFCLASS64);}unsigned longgelf_newehdr(Elf *elf, int cls) { if (!valid_class(cls) || !_msize(cls, _elf_version, ELF_T_EHDR)) { seterr(ERROR_UNKNOWN_CLASS); return 0; } if (!_elf_newehdr(elf, cls)) { return 0; } return 1; /* really? */}#endif /* __LIBELF64 */
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