mirror of
https://gitea.wildfiregames.com/0ad/0ad.git
synced 2026-07-23 01:34:40 +00:00
Ykkrosh
e06a7b37d8
This fixes the problem where passing a non-ASCII string to debug_printf(L"%hs", s) caused vswprintf_s to fail on Linux (because it doesn't know what encoding the char* is meant to have). Now debug messages will remain as UTF-8 until they reach the OS. Fixes #3021. This was SVN commit r16332.
92 lines
2.9 KiB
C++
92 lines
2.9 KiB
C++
/* Copyright (c) 2010 Wildfire Games
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* Interface for counter implementations
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*/
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#ifndef INCLUDED_COUNTER
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#define INCLUDED_COUNTER
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// derived implementations must be called CounterIMPL,
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// where IMPL matches the WHRT_IMPL identifier. (see CREATE)
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class ICounter
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{
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public:
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// (compiled-generated) ctor only sets up the vptr
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virtual ~ICounter() {}
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virtual const char* Name() const = 0;
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// Activate with an error return value is much cleaner+safer than
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// throwing exceptions in the ctor.
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virtual Status Activate() = 0;
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virtual void Shutdown() = 0;
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virtual bool IsSafe() const = 0;
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/**
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* @return the current value of the counter (all but the lower
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* CounterBits() bits must be zero)
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**/
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virtual u64 Counter() const = 0;
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// note: implementations need not cache the following; that's taken
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// care of by WHRT.
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/**
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* @return the bit width of the counter (<= 64)
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* WHRT uses this to ensure the counter (running at nominal frequency)
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* doesn't overflow more than once during CALIBRATION_INTERVAL_MS.
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**/
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virtual size_t CounterBits() const = 0;
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/**
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* initial measurement of the tick rate. not necessarily correct
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* (e.g. when using TSC: os_cpu_ClockFrequency isn't exact).
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**/
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virtual double NominalFrequency() const = 0;
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/**
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* actual resolution [s]. differs from 1/NominalFrequency if the
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* timer adjustment is greater than 1 tick.
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**/
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virtual double Resolution() const = 0;
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};
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/**
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* @return a newly created ICounter of type \<id\> or 0 iff the ID is invalid.
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* @param id integer ID (0..N-1)
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*
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* there can only be one active counter at a time; the previous one must
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* have been destroyed before creating another!
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**/
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extern ICounter* CreateCounter(size_t id);
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/**
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* shut down the counter, free its resources and zero its pointer.
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**/
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extern void DestroyCounter(ICounter*& counter);
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#endif // #ifndef INCLUDED_COUNTER
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