pa_types.h

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#ifndef PA_TYPES_H
#define PA_TYPES_H

/* 
 * Portable Audio I/O Library
 * integer type definitions
 *
 * Based on the Open Source API proposed by Ross Bencina
 * Copyright (c) 1999-2006 Ross Bencina, Phil Burk
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files
 * (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

/*
 * The text above constitutes the entire PortAudio license; however, 
 * the PortAudio community also makes the following non-binding requests:
 *
 * Any person wishing to distribute modifications to the Software is
 * requested to send the modifications to the original developer so that
 * they can be incorporated into the canonical version. It is also 
 * requested that these non-binding requests be included along with the 
 * license above.
 */

#ifndef SIZEOF_SHORT
#define SIZEOF_SHORT 2
#endif

#ifndef SIZEOF_INT
#define SIZEOF_INT 4
#endif

#ifndef SIZEOF_LONG
#define SIZEOF_LONG 4
#endif


#if SIZEOF_SHORT == 2
typedef signed short PaInt16;
typedef unsigned short PaUint16;
#elif SIZEOF_INT == 2
typedef signed int PaInt16;
typedef unsigned int PaUint16;
#else
#error pa_types.h was unable to determine which type to use for 16bit integers on the target platform
#endif

#if SIZEOF_SHORT == 4
typedef signed short PaInt32;
typedef unsigned short PaUint32;
#elif SIZEOF_INT == 4
typedef signed int PaInt32;
typedef unsigned int PaUint32;
#elif SIZEOF_LONG == 4
typedef signed long PaInt32;
typedef unsigned long PaUint32;
#else
#error pa_types.h was unable to determine which type to use for 32bit integers on the target platform
#endif


/* PA_VALIDATE_TYPE_SIZES compares the size of the integer types at runtime to
 ensure that PortAudio was configured correctly, and raises an assertion if
 they don't match the expected values. <assert.h> must be included in the
 context in which this macro is used.
*/
#define PA_VALIDATE_TYPE_SIZES \
    { \
        assert( "PortAudio: type sizes are not correct in pa_types.h" && sizeof( PaUint16 ) == 2 ); \
        assert( "PortAudio: type sizes are not correct in pa_types.h" && sizeof( PaInt16 ) == 2 ); \
        assert( "PortAudio: type sizes are not correct in pa_types.h" && sizeof( PaUint32 ) == 4 ); \
        assert( "PortAudio: type sizes are not correct in pa_types.h" && sizeof( PaInt32 ) == 4 ); \
    }


#endif /* PA_TYPES_H */