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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 /*
     22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 #ifndef	_SMBSRV_ALLOC_H
     27 #define	_SMBSRV_ALLOC_H
     28 
     29 #pragma ident	"@(#)alloc.h	1.1	07/10/25 SMI"
     30 
     31 #ifdef __cplusplus
     32 extern "C" {
     33 #endif
     34 
     35 /*
     36  * Memory management macros to aid in developing code that can
     37  * be compiled for both user and kernel.
     38  *
     39  * Set the AREA parameter to a short text string that is a hint
     40  * about the subsystem calling the function. example: "smbrdr"
     41  *
     42  * Do not mix usage of these macros with malloc/free functions.
     43  * It will not work.
     44  *
     45  * All library code shared between user and kernel must use
     46  * these functions instead of malloc/free/kmem_*.
     47  *
     48  * Quick Summary
     49  * MEM_MALLOC - allocate memory
     50  * MEM_ZALLOC - allocate and zero memory
     51  * MEM_STRDUP - string copy
     52  * MEM_REALLOC - reallocate memory
     53  * MEM_FREE -  free memory
     54  */
     55 
     56 #include <sys/types.h>
     57 #include <sys/sysmacros.h>
     58 
     59 #ifndef _KERNEL
     60 #include <stdlib.h>
     61 #include <string.h>
     62 
     63 #define	MEM_MALLOC(AREA, SIZE) malloc(SIZE)
     64 #define	MEM_ZALLOC(AREA, SIZE) calloc((SIZE), 1)
     65 #define	MEM_STRDUP(AREA, PTR) strdup(PTR)
     66 #define	MEM_REALLOC(AREA, PTR, SIZE) realloc((PTR), (SIZE))
     67 #define	MEM_FREE(AREA, PTR) free(PTR)
     68 
     69 #else /* _KERNEL */
     70 
     71 void *mem_malloc(uint32_t size);
     72 void *mem_zalloc(uint32_t size);
     73 char *mem_strdup(const char *ptr);
     74 void *mem_realloc(void *ptr, uint32_t size);
     75 void smb_mem_free(void *ptr);
     76 
     77 #define	MEM_MALLOC(AREA, SIZE) mem_malloc(SIZE)
     78 #define	MEM_ZALLOC(AREA, SIZE) mem_zalloc(SIZE)
     79 #define	MEM_STRDUP(AREA, PTR) mem_strdup(PTR)
     80 #define	MEM_REALLOC(AREA, PTR, SIZE) mem_realloc((PTR), (SIZE))
     81 #define	MEM_FREE(AREA, PTR) smb_mem_free(PTR)
     82 
     83 #endif /* _KERNEL */
     84 
     85 #ifdef __cplusplus
     86 }
     87 #endif
     88 
     89 #endif	/* _SMBSRV_ALLOC_H */
     90