Chris@69: /* Copyright (C) 2007 Jean-Marc Valin
Chris@69: 
Chris@69:    File: os_support.h
Chris@69:    This is the (tiny) OS abstraction layer. Aside from math.h, this is the
Chris@69:    only place where system headers are allowed.
Chris@69: 
Chris@69:    Redistribution and use in source and binary forms, with or without
Chris@69:    modification, are permitted provided that the following conditions are
Chris@69:    met:
Chris@69: 
Chris@69:    1. Redistributions of source code must retain the above copyright notice,
Chris@69:    this list of conditions and the following disclaimer.
Chris@69: 
Chris@69:    2. Redistributions in binary form must reproduce the above copyright
Chris@69:    notice, this list of conditions and the following disclaimer in the
Chris@69:    documentation and/or other materials provided with the distribution.
Chris@69: 
Chris@69:    THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
Chris@69:    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
Chris@69:    OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
Chris@69:    DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
Chris@69:    INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
Chris@69:    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
Chris@69:    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
Chris@69:    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
Chris@69:    STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
Chris@69:    ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
Chris@69:    POSSIBILITY OF SUCH DAMAGE.
Chris@69: */
Chris@69: 
Chris@69: #ifndef OS_SUPPORT_H
Chris@69: #define OS_SUPPORT_H
Chris@69: 
Chris@69: #ifdef CUSTOM_SUPPORT
Chris@69: #  include "custom_support.h"
Chris@69: #endif
Chris@69: 
Chris@69: #include "opus_types.h"
Chris@69: #include "opus_defines.h"
Chris@69: 
Chris@69: #include <string.h>
Chris@69: #include <stdio.h>
Chris@69: #include <stdlib.h>
Chris@69: 
Chris@69: /** Opus wrapper for malloc(). To do your own dynamic allocation, all you need to do is replace this function and opus_free */
Chris@69: #ifndef OVERRIDE_OPUS_ALLOC
Chris@69: static OPUS_INLINE void *opus_alloc (size_t size)
Chris@69: {
Chris@69:    return malloc(size);
Chris@69: }
Chris@69: #endif
Chris@69: 
Chris@69: /** Same as celt_alloc(), except that the area is only needed inside a CELT call (might cause problem with wideband though) */
Chris@69: #ifndef OVERRIDE_OPUS_ALLOC_SCRATCH
Chris@69: static OPUS_INLINE void *opus_alloc_scratch (size_t size)
Chris@69: {
Chris@69:    /* Scratch space doesn't need to be cleared */
Chris@69:    return opus_alloc(size);
Chris@69: }
Chris@69: #endif
Chris@69: 
Chris@69: /** Opus wrapper for free(). To do your own dynamic allocation, all you need to do is replace this function and opus_alloc */
Chris@69: #ifndef OVERRIDE_OPUS_FREE
Chris@69: static OPUS_INLINE void opus_free (void *ptr)
Chris@69: {
Chris@69:    free(ptr);
Chris@69: }
Chris@69: #endif
Chris@69: 
Chris@69: /** Copy n elements from src to dst. The 0* term provides compile-time type checking  */
Chris@69: #ifndef OVERRIDE_OPUS_COPY
Chris@69: #define OPUS_COPY(dst, src, n) (memcpy((dst), (src), (n)*sizeof(*(dst)) + 0*((dst)-(src)) ))
Chris@69: #endif
Chris@69: 
Chris@69: /** Copy n elements from src to dst, allowing overlapping regions. The 0* term
Chris@69:     provides compile-time type checking */
Chris@69: #ifndef OVERRIDE_OPUS_MOVE
Chris@69: #define OPUS_MOVE(dst, src, n) (memmove((dst), (src), (n)*sizeof(*(dst)) + 0*((dst)-(src)) ))
Chris@69: #endif
Chris@69: 
Chris@69: /** Set n elements of dst to zero */
Chris@69: #ifndef OVERRIDE_OPUS_CLEAR
Chris@69: #define OPUS_CLEAR(dst, n) (memset((dst), 0, (n)*sizeof(*(dst))))
Chris@69: #endif
Chris@69: 
Chris@69: /*#ifdef __GNUC__
Chris@69: #pragma GCC poison printf sprintf
Chris@69: #pragma GCC poison malloc free realloc calloc
Chris@69: #endif*/
Chris@69: 
Chris@69: #endif /* OS_SUPPORT_H */
Chris@69: