mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-11-12 09:40:51 +01:00
Updated stack_alloc.h
This commit is contained in:
Chris Moeller
parent
a4f8a09541
commit
2cafa1a676
@ -1,47 +1,50 @@
|
||||
/* Copyright (C) 2002 Jean-Marc Valin */
|
||||
/* Copyright (C) 2002-2003 Jean-Marc Valin
|
||||
Copyright (C) 2007-2009 Xiph.Org Foundation */
|
||||
/**
|
||||
@file stack_alloc.h
|
||||
@brief Temporary memory allocation on stack
|
||||
*/
|
||||
@file stack_alloc.h
|
||||
@brief Temporary memory allocation on stack
|
||||
*/
|
||||
/*
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions
|
||||
are met:
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions
|
||||
are met:
|
||||
|
||||
- Redistributions of source code must retain the above copyright
|
||||
notice, this list of conditions and the following disclaimer.
|
||||
- Redistributions of source code must retain the above copyright
|
||||
notice, this list of conditions and the following disclaimer.
|
||||
|
||||
- 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.
|
||||
- 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.
|
||||
|
||||
- Neither the name of the Xiph.org Foundation nor the names of its
|
||||
contributors may be used to endorse or promote products derived from
|
||||
this software without specific prior written permission.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
``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 FOUNDATION OR
|
||||
CONTRIBUTORS 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.
|
||||
*/
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
``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 COPYRIGHT OWNER
|
||||
OR CONTRIBUTORS 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 STACK_ALLOC_H
|
||||
#define STACK_ALLOC_H
|
||||
|
||||
#ifdef WIN32
|
||||
# include <malloc.h>
|
||||
#else
|
||||
# ifdef HAVE_ALLOCA_H
|
||||
# include <alloca.h>
|
||||
#if (!defined (VAR_ARRAYS) && !defined (USE_ALLOCA))
|
||||
#error "Vgmstream requires one of VAR_ARRAYS or USE_ALLOCA be defined to select the temporary allocation mode."
|
||||
#endif
|
||||
|
||||
#ifdef USE_ALLOCA
|
||||
# ifdef WIN32
|
||||
# include <malloc.h>
|
||||
# else
|
||||
# include <stdlib.h>
|
||||
# ifdef HAVE_ALLOCA_H
|
||||
# include <alloca.h>
|
||||
# else
|
||||
# include <stdlib.h>
|
||||
# endif
|
||||
# endif
|
||||
#endif
|
||||
|
||||
@ -82,32 +85,28 @@
|
||||
* @param type Type of element
|
||||
*/
|
||||
|
||||
#ifdef ENABLE_VALGRIND
|
||||
|
||||
#include <valgrind/memcheck.h>
|
||||
|
||||
#define ALIGN(stack, size) ((stack) += ((size) - (long)(stack)) & ((size) - 1))
|
||||
|
||||
#define PUSH(stack, size, type) (VALGRIND_MAKE_NOACCESS(stack, 1000),ALIGN((stack),sizeof(type)),VALGRIND_MAKE_WRITABLE(stack, ((size)*sizeof(type))),(stack)+=((size)*sizeof(type)),(type*)((stack)-((size)*sizeof(type))))
|
||||
|
||||
#else
|
||||
|
||||
#define ALIGN(stack, size) ((stack) += ((size) - (long)(stack)) & ((size) - 1))
|
||||
|
||||
#define PUSH(stack, size, type) (ALIGN((stack),sizeof(type)),(stack)+=((size)*sizeof(type)),(type*)((stack)-((size)*sizeof(type))))
|
||||
|
||||
#endif
|
||||
|
||||
#if defined(VAR_ARRAYS)
|
||||
#define VARDECL(var)
|
||||
|
||||
#define VARDECL(type, var)
|
||||
#define ALLOC(var, size, type) type var[size]
|
||||
#define SAVE_STACK
|
||||
#define RESTORE_STACK
|
||||
#define ALLOC_STACK
|
||||
|
||||
#elif defined(USE_ALLOCA)
|
||||
#define VARDECL(var) var
|
||||
#define ALLOC(var, size, type) var = alloca(sizeof(type)*(size))
|
||||
#else
|
||||
#define VARDECL(var) var
|
||||
#define ALLOC(var, size, type) var = PUSH(stack, size, type)
|
||||
#endif
|
||||
|
||||
#define VARDECL(type, var) type *var
|
||||
|
||||
#endif
|
||||
# ifdef WIN32
|
||||
# define ALLOC(var, size, type) var = ((type*)_alloca(sizeof(type)*(size)))
|
||||
# else
|
||||
# define ALLOC(var, size, type) var = ((type*)alloca(sizeof(type)*(size)))
|
||||
# endif
|
||||
|
||||
#define SAVE_STACK
|
||||
#define RESTORE_STACK
|
||||
#define ALLOC_STACK
|
||||
|
||||
#endif /* VAR_ARRAYS */
|
||||
|
||||
#endif /* STACK_ALLOC_H */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user