mirror of
https://github.com/nzp-team/fteqw.git
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27a59a0cbc
vulkan, wasapi, quake injector features added. irc, avplug, cef plugins/drivers reworked/updated/added openal reverb, doppler effects added. 'dir' console command now attempts to view clicked files. lots of warning fixes, should now only be deprecation warnings for most targets (depending on compiler version anyway...). SendEntity finally reworked to use flags properly. effectinfo improved, other smc-targetted fixes. mapcluster stuff now has support for linux. .basebone+.baseframe now exist in ssqc. qcc: -Fqccx supports qccx syntax, including qccx hacks. don't expect these to work in fteqw nor dp though. qcc: rewrote function call handling to use refs rather than defs. this makes struct passing more efficient and makes the __out keyword usable with fields etc. qccgui: can cope a little better with non-unicode files. can now represent most quake chars. qcc: suppressed warnings from *extensions.qc git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5000 fc73d0e0-1445-4013-8a0c-d673dee63da5
117 lines
3.4 KiB
C
117 lines
3.4 KiB
C
/* Copyright (C) 2002 Jean-Marc Valin */
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/**
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@file stack_alloc.h
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@brief Temporary memory allocation on stack
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*/
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/*
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of the Xiph.org Foundation nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef STACK_ALLOC_H
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#define STACK_ALLOC_H
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#ifdef USE_ALLOCA
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# ifdef WIN32
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# include <malloc.h>
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# else
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# ifdef HAVE_ALLOCA_H
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# include <alloca.h>
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# else
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# include <stdlib.h>
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# endif
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# endif
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#endif
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#include <stdlib.h>
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/**
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* @def ALIGN(stack, size)
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*
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* Aligns the stack to a 'size' boundary
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*
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* @param stack Stack
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* @param size New size boundary
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*/
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/**
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* @def PUSH(stack, size, type)
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*
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* Allocates 'size' elements of type 'type' on the stack
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*
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* @param stack Stack
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* @param size Number of elements
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* @param type Type of element
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*/
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/**
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* @def VARDECL(var)
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*
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* Declare variable on stack
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*
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* @param var Variable to declare
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*/
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/**
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* @def ALLOC(var, size, type)
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*
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* Allocate 'size' elements of 'type' on stack
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*
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* @param var Name of variable to allocate
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* @param size Number of elements
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* @param type Type of element
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*/
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#ifdef ENABLE_VALGRIND
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#include <valgrind/memcheck.h>
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#define ALIGN(stack, size) ((stack) += ((size) - (size_t)(stack)) & ((size) - 1))
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#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))))
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#else
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#define ALIGN(stack, size) ((stack) += ((size) - (size_t)(stack)) & ((size) - 1))
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#define PUSH(stack, size, type) (ALIGN((stack),sizeof(type)),(stack)+=((size)*sizeof(type)),(type*)((stack)-((size)*sizeof(type))))
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#endif
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#if defined(VAR_ARRAYS)
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#define VARDECL(var)
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#define ALLOC(var, size, type) type var[size]
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#elif defined(USE_ALLOCA)
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#define VARDECL(var) var
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#define ALLOC(var, size, type) var = alloca(sizeof(type)*(size))
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#else
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#define VARDECL(var) var
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#define ALLOC(var, size, type) var = PUSH(stack, size, type)
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#endif
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#endif
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