usr/src/cmd/audio/include/libaudio_impl.h

   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, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 1992-2001 by Sun Microsystems, Inc.
  24  * All rights reserved.
  25  */
  26
  27 #ifndef _MULTIMEDIA_LIBAUDIO_IMPL_H
  28 #define _MULTIMEDIA_LIBAUDIO_IMPL_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #include <malloc.h>
  33 #include <unistd.h>
  34 #include <stdlib.h>
  35 #include <sys/types.h>
  36 #include <libaudio.h>
  37 #include <archdep.h>
  38
  39 #ifdef __cplusplus
  40 extern "C" {
  41 #endif
  42
  43 /*
  44  * Useful defines
  45  *
  46  * CALLOC - allocate memory and clear it
  47  *              foo = CALLOC(15, char *);               -- alloc 15 ptrs
  48  *
  49  * MALLOC - allocate memory
  50  *              foo = MALLOC(struct foobar);            -- alloc 1 foobar
  51  *
  52  * REALLOC - re-allocate a larger amount of memory
  53  *              foo = REALLOC(foo, 10, struct foo);     -- extend to 10 foos
  54  *
  55  * FREE - de-allocate memory
  56  *
  57  * NOTE: These routines all operate on objects they can take the size of,
  58  *       rather than byte counts.
  59  *
  60  *
  61  * XXX - the (long) in the following defines is used to make
  62  * XXX   lint shut up about pointer alignment problems.
  63  */
  64 #define MALLOC(type)    \
  65         (type *)(long)malloc(sizeof (type))
  66 #define CALLOC(number, type) \
  67         (type *)(long)calloc((unsigned)(number), sizeof (type))
  68 #define REALLOC(ptr, number, type) \
  69         (type *)(long)reallocarray((char *)(ptr), (unsigned)(number), \
  70                                    sizeof (type))
  71 #define FREE(ptr)       \
  72         (void) free((char *)(ptr))
  73
  74 /*
  75  * START_C_FUNC - declare this function with C linkage
  76  * END_C_FUNC - put at the end of the function
  77  */
  78 #define START_C_FUNC    extern "C" {
  79 #define END_C_FUNC      }
  80
  81 #ifdef __cplusplus
  82 }
  83 #endif
  84
  85 #endif /* !_MULTIMEDIA_LIBAUDIO_IMPL_H */