xref: /illumos-gate/usr/src/uts/common/smbsrv/alloc.h (revision b819cea2)
1da6c28aaSamw /*
2da6c28aaSamw  * CDDL HEADER START
3da6c28aaSamw  *
4da6c28aaSamw  * The contents of this file are subject to the terms of the
5da6c28aaSamw  * Common Development and Distribution License (the "License").
6da6c28aaSamw  * You may not use this file except in compliance with the License.
7da6c28aaSamw  *
8da6c28aaSamw  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9da6c28aaSamw  * or http://www.opensolaris.org/os/licensing.
10da6c28aaSamw  * See the License for the specific language governing permissions
11da6c28aaSamw  * and limitations under the License.
12da6c28aaSamw  *
13da6c28aaSamw  * When distributing Covered Code, include this CDDL HEADER in each
14da6c28aaSamw  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15da6c28aaSamw  * If applicable, add the following below this CDDL HEADER, with the
16da6c28aaSamw  * fields enclosed by brackets "[]" replaced with your own identifying
17da6c28aaSamw  * information: Portions Copyright [yyyy] [name of copyright owner]
18da6c28aaSamw  *
19da6c28aaSamw  * CDDL HEADER END
20da6c28aaSamw  */
21da6c28aaSamw /*
229fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
23da6c28aaSamw  * Use is subject to license terms.
24*b819cea2SGordon Ross  *
25*b819cea2SGordon Ross  * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
26da6c28aaSamw  */
27da6c28aaSamw 
28da6c28aaSamw #ifndef	_SMBSRV_ALLOC_H
29da6c28aaSamw #define	_SMBSRV_ALLOC_H
30da6c28aaSamw 
31da6c28aaSamw #ifdef __cplusplus
32da6c28aaSamw extern "C" {
33da6c28aaSamw #endif
34da6c28aaSamw 
35da6c28aaSamw /*
36da6c28aaSamw  * Memory management macros to aid in developing code that can
37da6c28aaSamw  * be compiled for both user and kernel.
38da6c28aaSamw  *
39da6c28aaSamw  * Set the AREA parameter to a short text string that is a hint
40da6c28aaSamw  * about the subsystem calling the function. example: "smbrdr"
41da6c28aaSamw  *
42da6c28aaSamw  * Do not mix usage of these macros with malloc/free functions.
43da6c28aaSamw  * It will not work.
44da6c28aaSamw  *
45da6c28aaSamw  * All library code shared between user and kernel must use
46da6c28aaSamw  * these functions instead of malloc/free/kmem_*.
47da6c28aaSamw  *
48da6c28aaSamw  * Quick Summary
49da6c28aaSamw  * MEM_MALLOC - allocate memory
50da6c28aaSamw  * MEM_ZALLOC - allocate and zero memory
51da6c28aaSamw  * MEM_STRDUP - string copy
52da6c28aaSamw  * MEM_REALLOC - reallocate memory
53da6c28aaSamw  * MEM_FREE -  free memory
54da6c28aaSamw  */
55da6c28aaSamw 
56da6c28aaSamw #include <sys/types.h>
57da6c28aaSamw 
58*b819cea2SGordon Ross #if !defined(_KERNEL) && !defined(_FAKE_KERNEL)
59da6c28aaSamw #include <stdlib.h>
60da6c28aaSamw #include <string.h>
61da6c28aaSamw 
62da6c28aaSamw #define	MEM_MALLOC(AREA, SIZE) malloc(SIZE)
63da6c28aaSamw #define	MEM_ZALLOC(AREA, SIZE) calloc((SIZE), 1)
64da6c28aaSamw #define	MEM_STRDUP(AREA, PTR) strdup(PTR)
65da6c28aaSamw #define	MEM_REALLOC(AREA, PTR, SIZE) realloc((PTR), (SIZE))
66da6c28aaSamw #define	MEM_FREE(AREA, PTR) free(PTR)
67da6c28aaSamw 
68da6c28aaSamw #else /* _KERNEL */
69da6c28aaSamw 
709fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States void *smb_mem_alloc(size_t);
719fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States void *smb_mem_zalloc(size_t);
729fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States void smb_mem_free(void *);
739fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States char *smb_mem_strdup(const char *);
74da6c28aaSamw 
759fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States #define	MEM_MALLOC(AREA, SIZE)	smb_mem_alloc(SIZE)
769fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States #define	MEM_ZALLOC(AREA, SIZE)	smb_mem_zalloc(SIZE)
779fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States #define	MEM_FREE(AREA, PTR)	smb_mem_free(PTR)
78da6c28aaSamw 
79da6c28aaSamw #endif /* _KERNEL */
80da6c28aaSamw 
81da6c28aaSamw #ifdef __cplusplus
82da6c28aaSamw }
83da6c28aaSamw #endif
84da6c28aaSamw 
85da6c28aaSamw #endif	/* _SMBSRV_ALLOC_H */
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