avrdude/external/libelf/src/rand.c

44 lines
1.3 KiB
C

/*
rand.c - implementation of the elf_rand(3) function.
Copyright (C) 1995 - 1998 Michael Riepe
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <private.h>
#ifndef lint
static const char rcsid[] = "@(#) $Id: rand.c,v 1.7 2008/05/23 08:15:35 michael Exp $";
#endif /* lint */
size_t
elf_rand(Elf *elf, size_t offset) {
if (!elf) {
return 0;
}
elf_assert(elf->e_magic == ELF_MAGIC);
if (elf->e_kind != ELF_K_AR) {
seterr(ERROR_NOTARCHIVE);
}
else if (offset <= 0 || offset > elf->e_size) {
seterr(ERROR_BADOFF);
}
else {
elf->e_off = offset;
return offset;
}
return 0;
}