/*nextscn.c - implementation of the elf_nextscn(3) function.Copyright (C) 1995 - 1998 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: nextscn.c,v 1.3 1998/06/12 19:42:33 michael Exp $";#endif /* lint */Elf_Scn*elf_nextscn(Elf *elf, Elf_Scn *scn) {    if (!elf) {	return NULL;    }    elf_assert(elf->e_magic == ELF_MAGIC);    if (scn) {	elf_assert(scn->s_magic == SCN_MAGIC);	if (scn->s_elf == elf) {	    return scn->s_link;	}	seterr(ERROR_ELFSCNMISMATCH);    }    else if (elf->e_kind != ELF_K_ELF) {	seterr(ERROR_NOTELF);    }    else if (elf->e_ehdr || _elf_cook(elf)) {	elf_assert(elf->e_ehdr);	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 == 1) {		return scn;	    }	}	seterr(ERROR_NOSUCHSCN);    }    return NULL;}