?RCS: $Id: d_setreuid.U 167 2013-05-08 17:58:00Z rmanfredi $
?RCS:
?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi
?RCS: 
?RCS: You may redistribute only under the terms of the Artistic License,
?RCS: as specified in the README file that comes with the distribution.
?RCS: You may reuse parts of this distribution only within the terms of
?RCS: that same Artistic License; a copy of which may be found at the root
?RCS: of the source tree for dist 4.0.
?RCS:
?RCS: $Log: d_setreuid.U,v $
?RCS: Revision 3.0  1993/08/18  12:07:13  ram
?RCS: Baseline for dist 3.0 netwide release.
?RCS:
?MAKE:d_setreuid d_setresuid: Trylink cat i_unistd
?MAKE:	-pick add $@ %<
?S:d_setreuid:
?S:	This variable conditionally defines HAS_SETREUID if setreuid() is
?S:	available to change the real and effective uid of the current
?S:	process.
?S:.
?S:d_setresuid:
?S:	This variable conditionally defines HAS_SETREUID if setresuid() is
?S:	available to change the real, effective and saved uid of the current
?S:	process.
?S:.
?C:HAS_SETREUID (SETREUID):
?C:	This symbol, if defined, indicates that the setreuid routine is
?C:	available to change the real and effective uid of the current
?C:	process.
?C:.
?C:HAS_SETRESUID (SETRESUID):
?C:	This symbol, if defined, indicates that the setresuid routine is
?C:	available to change the real, effective and saved uid of the current
?C:	process.
?C:.
?H:#$d_setreuid HAS_SETREUID		/**/
?H:#$d_setresuid HAS_SETRESUID		/**/
?H:.
?LINT:set d_setreuid d_setresuid
: see if setreuid exists
$cat >try.c <<EOC
#include <sys/types.h>
#$i_unistd I_UNISTD
#ifdef I_UNISTD
#include <unistd.h>
#endif
int
main(void)
{
	static uid_t ruid, euid;
	static int ret;
	ret |= setreuid(ruid, euid);
	return ret ? 0 : 1;
}
EOC
cyn=setreuid
set d_setreuid
eval $trylink

: see if setresuid exists
$cat >try.c <<EOC
#$i_unistd I_UNISTD
#ifdef I_UNISTD
#include <unistd.h>
#endif
int main(void)
{
	static uid_t ruid, euid, suid;
	static int ret;
	ret |= setresuid(ruid, euid, suid);
	return ret ? 0 : 1;
}
EOC
cyn=setresuid
set d_setresuid
eval $trylink