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/*
* have_uid_t - Determine if we want or can support uid_t
*
* Copyright (C) 1999 Landon Curt Noll
*
* Calc is open software; you can redistribute it and/or modify it under
* the terms of the version 2.1 of the GNU Lesser General Public License
* as published by the Free Software Foundation.
*
* Calc 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.
*
* A copy of version 2.1 of the GNU Lesser General Public License is
* distributed with calc under the filename COPYING-LGPL. You should have
* received a copy with calc; if not, write to Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Under source code control: 1995/05/02 03:03:24
* File existed as early as: 1995
*
* chongo <was here> /\oo/\ http://www.isthe.com/chongo/
* Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
*/
/*
* usage:
* have_uid_t
*
* Not all compilers support uid_t, so this may not compile on your system.
*
* This prog outputs several defines:
*
* HAVE_UID_T
* defined ==> ok to use uid_t
* undefined ==> do not use uid_t
*/
#include <stdio.h>
#if !defined(HAVE_NO_UID_T)
#include "have_unistd.h"
#if defined(HAVE_UNISTD_H)
#include <unistd.h>
#endif
#include <pwd.h>
#include <sys/types.h>
#endif /* ! HAVE_NO_UID_T */
int
main(void)
{
#if defined(HAVE_NO_UID_T)
printf("#undef HAVE_UID_T /* no */\n");
#else /* HAVE_NO_UID_T */
uid_t curds;
extern uid_t geteuid();
curds = geteuid();
printf("#define HAVE_UID_T /* yes */\n");
#endif /* HAVE_NO_UID_T */
/* exit(0); */
return 0;
}
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