/* 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.   3. The name of the author may not be used to endorse or promote products   derived from this software without specific prior written permission.   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#include <string.h>#include <stdio.h>#include <stdlib.h>/** Speex 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_ALLOCstatic 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 Speex call (might cause problem with wideband though) */#ifndef OVERRIDE_CELT_ALLOC_SCRATCHstatic inline void *celt_alloc_scratch (int size){   /* Scratch space doesn't need to be cleared */   return calloc(size,1);}#endif/** Speex wrapper for realloc. To do your own dynamic allocation, all you need to do is replace this function, celt_alloc and celt_free */#ifndef OVERRIDE_CELT_REALLOCstatic inline void *celt_realloc (void *ptr, int size){   return realloc(ptr, size);}#endif/** Speex wrapper for calloc. To do your own dynamic allocation, all you need to do is replace this function, celt_realloc and celt_alloc */#ifndef OVERRIDE_CELT_FREEstatic inline void celt_free (void *ptr){   free(ptr);}#endif/** Same as celt_free, except that the area is only needed inside a Speex call (might cause problem with wideband though) */#ifndef OVERRIDE_CELT_FREE_SCRATCHstatic 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#ifndef OVERRIDE_CELT_FATALstatic inline void _celt_fatal(const char *str, const char *file, int line){   fprintf (stderr, "Fatal (internal) error in %s, line %d: %s\n", file, line, str);   exit(1);}#endif#ifndef OVERRIDE_CELT_WARNINGstatic inline void celt_warning(const char *str){#ifndef DISABLE_WARNINGS   fprintf (stderr, "warning: %s\n", str);#endif}#endif#ifndef OVERRIDE_CELT_WARNING_INTstatic inline void celt_warning_int(const char *str, int val){#ifndef DISABLE_WARNINGS   fprintf (stderr, "warning: %s %d\n", str, val);#endif}#endif#ifndef OVERRIDE_CELT_NOTIFYstatic inline void celt_notify(const char *str){#ifndef DISABLE_NOTIFICATIONS   fprintf (stderr, "notification: %s\n", str);#endif}#endif#ifndef OVERRIDE_CELT_PUTC/** Speex wrapper for putc */static inline void _celt_putc(int ch, void *file){   FILE *f = (FILE *)file;   fprintf(f, "%c", ch);}#endif#define celt_fatal(str) _celt_fatal(str, __FILE__, __LINE__);#define celt_assert(cond) {if (!(cond)) {celt_fatal("assertion failed: " #cond);}}#ifndef RELEASEstatic inline void print_vec(float *vec, int len, char *name){   int i;   printf ("%s ", name);   for (i=0;i<len;i++)      printf (" %f", vec[i]);   printf ("\n");}#endif#endif