1 /* free.c */
2 /* $OpenLDAP$ */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4  *
5  * Copyright 1998-2021 The OpenLDAP Foundation.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted only as authorized by the OpenLDAP
10  * Public License.
11  *
12  * A copy of this license is available in the file LICENSE in the
13  * top-level directory of the distribution or, alternatively, at
14  * <http://www.OpenLDAP.org/license.html>.
15  */
16 /* Portions Copyright (c) 1994 The Regents of the University of Michigan.
17  * All rights reserved.
18  */
19 
20 /*
21  *  free.c - some free routines are included here to avoid having to
22  *           link in lots of extra code when not using certain features
23  */
24 
25 #include "portable.h"
26 
27 #include <stdio.h>
28 #include <ac/stdlib.h>
29 
30 #include <ac/string.h>
31 #include <ac/time.h>
32 
33 #include "ldap-int.h"
34 
35 /*
36  * C-API deallocator
37  */
38 void
ldap_memfree(void * p)39 ldap_memfree( void *p )
40 {
41 	LDAP_FREE( p );
42 }
43 
44 void
ldap_memvfree(void ** v)45 ldap_memvfree( void **v )
46 {
47 	LDAP_VFREE( v );
48 }
49 
50 void *
ldap_memalloc(ber_len_t s)51 ldap_memalloc( ber_len_t s )
52 {
53 	return LDAP_MALLOC( s );
54 }
55 
56 void *
ldap_memcalloc(ber_len_t n,ber_len_t s)57 ldap_memcalloc( ber_len_t n, ber_len_t s )
58 {
59 	return LDAP_CALLOC( n, s );
60 }
61 
62 void *
ldap_memrealloc(void * p,ber_len_t s)63 ldap_memrealloc( void* p, ber_len_t s )
64 {
65 	return LDAP_REALLOC( p, s );
66 }
67 
68 char *
ldap_strdup(LDAP_CONST char * p)69 ldap_strdup( LDAP_CONST char *p )
70 {
71 	return LDAP_STRDUP( p );
72 }
73 
74 /*
75  * free a null-terminated array of pointers to mod structures. the
76  * structures are freed, not the array itself, unless the freemods
77  * flag is set.
78  */
79 
80 void
ldap_mods_free(LDAPMod ** mods,int freemods)81 ldap_mods_free( LDAPMod **mods, int freemods )
82 {
83 	int	i;
84 
85 	if ( mods == NULL )
86 		return;
87 
88 	for ( i = 0; mods[i] != NULL; i++ ) {
89 		if ( mods[i]->mod_op & LDAP_MOD_BVALUES ) {
90 			if( mods[i]->mod_bvalues != NULL )
91 				ber_bvecfree( mods[i]->mod_bvalues );
92 
93 		} else if( mods[i]->mod_values != NULL ) {
94 			LDAP_VFREE( mods[i]->mod_values );
95 		}
96 
97 		if ( mods[i]->mod_type != NULL ) {
98 			LDAP_FREE( mods[i]->mod_type );
99 		}
100 
101 		LDAP_FREE( (char *) mods[i] );
102 	}
103 
104 	if ( freemods ) {
105 		LDAP_FREE( (char *) mods );
106 	}
107 }
108