Plan 9 from Bell Labs’s /usr/web/sources/contrib/lucio/pub/openldap/servers/slapd/back-perl/compare.c

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Distributed under the MIT License.
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/* $OpenLDAP: pkg/ldap/servers/slapd/back-perl/compare.c,v 1.23.2.5 2007/01/02 21:44:06 kurt Exp $ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
 *
 * Copyright 1999-2007 The OpenLDAP Foundation.
 * Portions Copyright 1999 John C. Quillan.
 * Portions Copyright 2002 myinternet Limited.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted only as authorized by the OpenLDAP
 * Public License.
 *
 * A copy of this license is available in file LICENSE in the
 * top-level directory of the distribution or, alternatively, at
 * <http://www.OpenLDAP.org/license.html>.
 */

#include "perl_back.h"
#include "lutil.h"

/**********************************************************
 *
 * Compare
 *
 **********************************************************/

int
perl_back_compare(
	Operation	*op,
	SlapReply	*rs )
{
	int count;
	char *avastr;

	PerlBackend *perl_back = (PerlBackend *)op->o_bd->be_private;

	avastr = ch_malloc( op->orc_ava->aa_desc->ad_cname.bv_len + 1 +
		op->orc_ava->aa_value.bv_len + 1 );
	
	lutil_strcopy( lutil_strcopy( lutil_strcopy( avastr,
		op->orc_ava->aa_desc->ad_cname.bv_val ), "=" ),
		op->orc_ava->aa_value.bv_val );

#if defined(HAVE_WIN32_ASPERL) || defined(USE_ITHREADS)
	PERL_SET_CONTEXT( PERL_INTERPRETER );
#endif
	ldap_pvt_thread_mutex_lock( &perl_interpreter_mutex );	

	{
		dSP; ENTER; SAVETMPS;

		PUSHMARK(sp);
		XPUSHs( perl_back->pb_obj_ref );
		XPUSHs(sv_2mortal(newSVpv( op->o_req_dn.bv_val , 0)));
		XPUSHs(sv_2mortal(newSVpv( avastr , 0)));
		PUTBACK;

#ifdef PERL_IS_5_6
		count = call_method("compare", G_SCALAR);
#else
		count = perl_call_method("compare", G_SCALAR);
#endif

		SPAGAIN;

		if (count != 1) {
			croak("Big trouble in back_compare\n");
		}

		rs->sr_err = POPi;

		PUTBACK; FREETMPS; LEAVE;
	}

	ldap_pvt_thread_mutex_unlock( &perl_interpreter_mutex );	

	ch_free( avastr );

	send_ldap_result( op, rs );

	Debug( LDAP_DEBUG_ANY, "Perl COMPARE\n", 0, 0, 0 );

	return (0);
}


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