102 lines
3.6 KiB
C
102 lines
3.6 KiB
C
/* Copyright (C) 2007 Jean-Marc Valin
|
|
|
|
File: os_support.h
|
|
This is the (tiny) OS abstraction layer. Aside from math.h, this is the
|
|
only place where system headers are allowed.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are
|
|
met:
|
|
|
|
1. Redistributions of source code must retain the above copyright notice,
|
|
this list of conditions and the following disclaimer.
|
|
|
|
2. Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in the
|
|
documentation and/or other materials provided with the distribution.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
|
|
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef OS_SUPPORT_H
|
|
#define OS_SUPPORT_H
|
|
|
|
#ifdef CUSTOM_SUPPORT
|
|
# include "custom_support.h"
|
|
#endif
|
|
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
/** CELT wrapper for calloc(). To do your own dynamic allocation, all you need to do is replace this function, celt_realloc and celt_free
|
|
NOTE: celt_alloc needs to CLEAR THE MEMORY */
|
|
#ifndef OVERRIDE_CELT_ALLOC
|
|
static inline void *celt_alloc (int size)
|
|
{
|
|
/* WARNING: this is not equivalent to malloc(). If you want to use malloc()
|
|
or your own allocator, YOU NEED TO CLEAR THE MEMORY ALLOCATED. Otherwise
|
|
you will experience strange bugs */
|
|
return calloc(size,1);
|
|
}
|
|
#endif
|
|
|
|
/** Same as celt_alloc(), except that the area is only needed inside a CELT call (might cause problem with wideband though) */
|
|
#ifndef OVERRIDE_CELT_ALLOC_SCRATCH
|
|
static inline void *celt_alloc_scratch (int size)
|
|
{
|
|
/* Scratch space doesn't need to be cleared */
|
|
return calloc(size,1);
|
|
}
|
|
#endif
|
|
|
|
/** CELT wrapper for free(). To do your own dynamic allocation, all you need to do is replace this function, celt_realloc and celt_alloc */
|
|
#ifndef OVERRIDE_CELT_FREE
|
|
static inline void celt_free (void *ptr)
|
|
{
|
|
free(ptr);
|
|
}
|
|
#endif
|
|
|
|
/** Same as celt_free(), except that the area is only needed inside a CELT call (might cause problem with wideband though) */
|
|
#ifndef OVERRIDE_CELT_FREE_SCRATCH
|
|
static inline void celt_free_scratch (void *ptr)
|
|
{
|
|
free(ptr);
|
|
}
|
|
#endif
|
|
|
|
/** Copy n bytes of memory from src to dst. The 0* term provides compile-time type checking */
|
|
#ifndef OVERRIDE_CELT_COPY
|
|
#define CELT_COPY(dst, src, n) (memcpy((dst), (src), (n)*sizeof(*(dst)) + 0*((dst)-(src)) ))
|
|
#endif
|
|
|
|
/** Copy n bytes of memory from src to dst, allowing overlapping regions. The 0* term
|
|
provides compile-time type checking */
|
|
#ifndef OVERRIDE_CELT_MOVE
|
|
#define CELT_MOVE(dst, src, n) (memmove((dst), (src), (n)*sizeof(*(dst)) + 0*((dst)-(src)) ))
|
|
#endif
|
|
|
|
/** Set n bytes of memory to value of c, starting at address s */
|
|
#ifndef OVERRIDE_CELT_MEMSET
|
|
#define CELT_MEMSET(dst, c, n) (memset((dst), (c), (n)*sizeof(*(dst))))
|
|
#endif
|
|
|
|
/*#ifdef __GNUC__
|
|
#pragma GCC poison printf sprintf
|
|
#pragma GCC poison malloc free realloc calloc
|
|
#endif*/
|
|
|
|
#endif /* OS_SUPPORT_H */
|
|
|