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 2010 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 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 /* 34 * Memory management macros to aid in developing code that can 35 * be compiled for both user and kernel. 36 * 37 * Set the AREA parameter to a short text string that is a hint 38 * about the subsystem calling the function. example: "smbrdr" 39 * 40 * Do not mix usage of these macros with malloc/free functions. 41 * It will not work. 42 * 43 * All library code shared between user and kernel must use 44 * these functions instead of malloc/free/kmem_*. 45 * 46 * Quick Summary 47 * MEM_MALLOC - allocate memory 48 * MEM_ZALLOC - allocate and zero memory 49 * MEM_STRDUP - string copy 50 * MEM_REALLOC - reallocate memory 51 * MEM_FREE - free memory 52 */ 53 54 #include <sys/types.h> 55 #include <sys/sysmacros.h> 56 57 #ifndef _KERNEL 58 #include <stdlib.h> 59 #include <string.h> 60 61 #define MEM_MALLOC(AREA, SIZE) malloc(SIZE) 62 #define MEM_ZALLOC(AREA, SIZE) calloc((SIZE), 1) 63 #define MEM_STRDUP(AREA, PTR) strdup(PTR) 64 #define MEM_REALLOC(AREA, PTR, SIZE) realloc((PTR), (SIZE)) 65 #define MEM_FREE(AREA, PTR) free(PTR) 66 67 #else /* _KERNEL */ 68 69 void *smb_mem_alloc(size_t); 70 void *smb_mem_zalloc(size_t); 71 void smb_mem_free(void *); 72 char *smb_mem_strdup(const char *); 73 74 #define MEM_MALLOC(AREA, SIZE) smb_mem_alloc(SIZE) 75 #define MEM_ZALLOC(AREA, SIZE) smb_mem_zalloc(SIZE) 76 #define MEM_FREE(AREA, PTR) smb_mem_free(PTR) 77 78 #endif /* _KERNEL */ 79 80 #ifdef __cplusplus 81 } 82 #endif 83 84 #endif /* _SMBSRV_ALLOC_H */ 85