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/*
* LDAP Utilities
* Copyright (C) 2012, 2019 David M. Syzdek <david@syzdek.net>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @file lib/libldapschema/lsort.h contains prototypes for sort functions and variables
*/
#ifndef _LIB_LIBLDAPSCHEMA_LSORT_H
#define _LIB_LIBLDAPSCHEMA_LSORT_H 1
///////////////
// //
// Headers //
// //
///////////////
#pragma mark - Headers
#include "libldapschema.h"
#include "lspec.h"
///////////////////
// //
// Definitions //
// //
///////////////////
#pragma mark - Definitions
//////////////////
// //
// Prototypes //
// //
//////////////////
#pragma mark - Prototypes
////////////////////////
// //
// Inline Functions //
// //
////////////////////////
#pragma mark - Inline Functions
/// compares the alias field of `ap` and `bp`
/// @param[in] ap reference to LDAP model
/// @param[in] bp reference to LDAP model
///
/// @return ldapschema_alias_cmp() returns an integer greater than, equal
/// to, or less than 0, according as the alias of `ap` is
/// lexicographically greater than, equal to, or less than the alias
/// of `bp`.
/// @see ldapschema_free, ldapschema_initialize, ldapschema_errno
_LDAPSCHEMA_I int ldapschema_compar_aliases( const void * ap, const void * bp )
{
const LDAPSchemaAlias * a = *(const LDAPSchemaAlias * const *)ap;
const LDAPSchemaAlias * b = *(const LDAPSchemaAlias * const *)bp;
if ( (!(a)) && (!(b)) )
return(0);
if (!(a))
return(1);
if (!(b))
return(-1);
if ( (!(a->alias)) && (!(b->alias)) )
return(0);
if (!(a->alias))
return(1);
if (!(b->alias))
return(-1);
return(strcasecmp(a->alias, b->alias));
}
/// compares the LDAP attributeType name and OIDs of `ap` and `bp`
/// @param[in] ap reference to LDAP syntax
/// @param[in] bp reference to LDAP syntax
///
/// @return ldapschema_syntax_cmp() returns an integer greater than, equal
/// to, or less than 0, according as the description of `s1` is
/// lexicographically greater than, equal to, or less than the
/// description of `s2`.
/// @see ldapschema_free, ldapschema_initialize, ldapschema_errno
_LDAPSCHEMA_I int ldapschema_compar_attributetypes( const void * ap, const void * bp )
{
const LDAPSchemaAttributeType * a = *(const LDAPSchemaAttributeType * const *)ap;
const LDAPSchemaAttributeType * b = *(const LDAPSchemaAttributeType * const *)bp;
const char * as;
const char * bs;
if ( (!(a)) && (!(b)) )
return(0);
if (!(a))
return(1);
if (!(b))
return(-1);
as = ((a->names)) ? a->names[0] : a->model.oid;
bs = ((b->names)) ? b->names[0] : b->model.oid;
if ( (!(as)) && (!(bs)) )
return(0);
if (!(as))
return(1);
if (!(bs))
return(-1);
return(strcasecmp(as, bs));
}
/// compares the OIDs of `m1` and `m2`
/// @param[in] ap reference to LDAP model
/// @param[in] bp reference to LDAP model
///
/// @return ldapschema_model_cmp() returns an integer greater than, equal
/// to, or less than 0, according as the OID of `m1` is
/// lexicographically greater than, equal to, or less than the OID
/// of `m2`.
/// @see ldapschema_free, ldapschema_initialize, ldapschema_errno
_LDAPSCHEMA_I int ldapschema_compar_extensions( const void * ap, const void * bp )
{
const LDAPSchemaExtension * a = *(const LDAPSchemaExtension * const *)ap;
const LDAPSchemaExtension * b = *(const LDAPSchemaExtension * const *)bp;
if ( (!(a)) && (!(b)) )
return(0);
if (!(a))
return(1);
if (!(b))
return(-1);
if ( (!(a->extension)) && (!(b->extension)) )
return(0);
if (!(a->extension))
return(1);
if (!(b->extension))
return(-1);
return(strcasecmp(a->extension, b->extension));
}
/// compares the OIDs of `m1` and `m2`
/// @param[in] ap reference to LDAP model
/// @param[in] bp reference to LDAP model
///
/// @return ldapschema_model_cmp() returns an integer greater than, equal
/// to, or less than 0, according as the OID of `m1` is
/// lexicographically greater than, equal to, or less than the OID
/// of `m2`.
/// @see ldapschema_free, ldapschema_initialize, ldapschema_errno
_LDAPSCHEMA_I int ldapschema_compar_models( const void * ap, const void * bp )
{
const LDAPSchemaModel * a = *(const LDAPSchemaModel * const *)ap;
const LDAPSchemaModel * b = *(const LDAPSchemaModel * const *)bp;
if ( (!(a)) && (!(b)) )
return(0);
if (!(a))
return(1);
if (!(b))
return(-1);
if ( (!(a->oid)) && (!(b->oid)) )
return(0);
if (!(a->oid))
return(1);
if (!(b->oid))
return(-1);
return(strcasecmp(a->oid, b->oid));
}
/// compares the LDAP attributeType name and OIDs of `ap` and `bp`
/// @param[in] ap reference to LDAP syntax
/// @param[in] bp reference to LDAP syntax
///
/// @return ldapschema_syntax_cmp() returns an integer greater than, equal
/// to, or less than 0, according as the description of `s1` is
/// lexicographically greater than, equal to, or less than the
/// description of `s2`.
/// @see ldapschema_free, ldapschema_initialize, ldapschema_errno
_LDAPSCHEMA_I int ldapschema_compar_objectclasses( const void * ap, const void * bp )
{
const LDAPSchemaObjectclass * a = *(const LDAPSchemaObjectclass * const *)ap;
const LDAPSchemaObjectclass * b = *(const LDAPSchemaObjectclass * const *)bp;
const char * as;
const char * bs;
if ( (!(a)) && (!(b)) )
return(0);
if (!(a))
return(1);
if (!(b))
return(-1);
as = ((a->names)) ? a->names[0] : a->model.oid;
bs = ((b->names)) ? b->names[0] : b->model.oid;
if ( (!(as)) && (!(bs)) )
return(0);
if (!(as))
return(1);
if (!(bs))
return(-1);
return(strcasecmp(as, bs));
}
/// compares the LDAP syntax descriptions of `s1` and `s2`
/// @param[in] ap reference to LDAP syntax
/// @param[in] bp reference to LDAP syntax
///
/// @return ldapschema_syntax_cmp() returns an integer greater than, equal
/// to, or less than 0, according as the description of `s1` is
/// lexicographically greater than, equal to, or less than the
/// description of `s2`.
/// @see ldapschema_free, ldapschema_initialize, ldapschema_errno
_LDAPSCHEMA_I int ldapschema_compar_spec( const void * ap, const void * bp )
{
const LDAPSchemaSpec * a = *(const LDAPSchemaSpec * const *)ap;
const LDAPSchemaSpec * b = *(const LDAPSchemaSpec * const *)bp;
if ( (!(a)) && (!(b)) )
return(0);
if (!(a))
return(1);
if (!(b))
return(-1);
if ( (!(a->oid)) && (!(b->oid)) )
return(0);
if (!(a->oid))
return(1);
if (!(b->oid))
return(-1);
return(strcasecmp(a->oid, b->oid));
}
/// compares the LDAP syntax descriptions of `s1` and `s2`
/// @param[in] ap reference to LDAP syntax
/// @param[in] bp reference to LDAP syntax
///
/// @return ldapschema_syntax_cmp() returns an integer greater than, equal
/// to, or less than 0, according as the description of `s1` is
/// lexicographically greater than, equal to, or less than the
/// description of `s2`.
/// @see ldapschema_free, ldapschema_initialize, ldapschema_errno
_LDAPSCHEMA_I int ldapschema_compar_syntaxes( const void * ap, const void * bp )
{
const LDAPSchemaSyntax * a = *(const LDAPSchemaSyntax * const *)ap;
const LDAPSchemaSyntax * b = *(const LDAPSchemaSyntax * const *)bp;
if ( (!(a)) && (!(b)) )
return(0);
if (!(a))
return(1);
if (!(b))
return(-1);
if ( (!(a->model.desc)) && (!(b->model.desc)) )
return(0);
if (!(a->model.desc))
return(1);
if (!(b->model.desc))
return(-1);
return(strcasecmp(a->model.desc, b->model.desc));
}
/// compares two strings `ap` and `bp`
/// @param[in] ap reference to string
/// @param[in] bp reference to string
///
/// @return ldapschema_alias_cmp() returns an integer greater than, equal
/// to, or less than 0, according as the alias of `ap` is
/// lexicographically greater than, equal to, or less than the alias
/// of `bp`.
/// @see ldapschema_free, ldapschema_initialize, ldapschema_errno
_LDAPSCHEMA_I int ldapschema_compar_values( const void * ap, const void * bp )
{
const char * a = *(const char * const *)ap;
const char * b = *(const char * const *)bp;
if ( (!(a)) && (!(b)) )
return(0);
if (!(a))
return(1);
if (!(b))
return(-1);
return(strcasecmp(a, b));
}
#endif /* end of header file */
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