ref: 2c7eb787f0ff0632ff81254066b53572860f02f9
dir: /celt/os_support.h/
/* 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 "opus_types.h" #include "opus_defines.h" #include <string.h> #include <stdio.h> #include <stdlib.h> /** Opus wrapper for malloc(). To do your own dynamic allocation, all you need to do is replace this function and opus_free */ #ifndef OVERRIDE_OPUS_ALLOC static OPUS_INLINE void *opus_alloc (size_t size) { return malloc(size); } #endif /** Same as celt_alloc(), except that the area is only needed inside a CELT call (might cause problem with wideband though) */ #ifndef OVERRIDE_OPUS_ALLOC_SCRATCH static OPUS_INLINE void *opus_alloc_scratch (size_t size) { /* Scratch space doesn't need to be cleared */ return opus_alloc(size); } #endif /** Opus wrapper for free(). To do your own dynamic allocation, all you need to do is replace this function and opus_alloc */ #ifndef OVERRIDE_OPUS_FREE static OPUS_INLINE void opus_free (void *ptr) { free(ptr); } #endif /** Copy n bytes of memory from src to dst. The 0* term provides compile-time type checking */ #ifndef OVERRIDE_OPUS_COPY #define OPUS_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_OPUS_MOVE #define OPUS_MOVE(dst, src, n) (memmove((dst), (src), (n)*sizeof(*(dst)) + 0*((dst)-(src)) )) #endif /** Set n elements of dst to zero, starting at address s */ #ifndef OVERRIDE_OPUS_CLEAR #define OPUS_CLEAR(dst, n) (memset((dst), 0, (n)*sizeof(*(dst)))) #endif /*#ifdef __GNUC__ #pragma GCC poison printf sprintf #pragma GCC poison malloc free realloc calloc #endif*/ #endif /* OS_SUPPORT_H */