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/*
SSSD
Client Interface for NSS and PAM.
Authors:
Stephen Gallagher <sgallagh@redhat.com>
Copyright (C) Red Hat, Inc 2009
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SSS_PAM_MACROS_H
#define _SSS_PAM_MACROS_H
/* Older versions of the pam development headers do not include the
* _pam_overwrite_n(n,x) macro. This implementation is copied from
* the Fedora 11 _pam_macros.h.
*/
#ifdef HAVE_SECURITY__PAM_MACROS_H
# include <security/_pam_macros.h>
#endif /* HAVE_SECURITY__PAM_MACROS_H */
#ifndef _pam_overwrite
#define _pam_overwrite(x) \
do { \
register char *__xx__; \
if ((__xx__=(x))) \
while (*__xx__) \
*__xx__++ = '\0'; \
} while (0)
#endif /* _pam_overwrite */
#ifndef _pam_overwrite_n
#define _pam_overwrite_n(x,n) \
do { \
register char *__xx__; \
register unsigned int __i__ = 0; \
if ((__xx__=(x))) \
for (;__i__<n; __i__++) \
__xx__[__i__] = 0; \
} while (0)
#endif /* _pam_overwrite_n */
#ifndef D
#define D(x) do { } while (0)
#endif /* D */
#endif /* _SSS_PAM_MACROS_H */
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