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30e437f9e3
variables, writeable strings and dangerously shadowed variables. index(), gamma(), exp() and y0() are POSIX functions and using those names can cause namespace confusion. A number of C files were missing the final newline required by ANSI C and some versions of GCC are pedantic enough to complain about this. These changes simply the scons build, allowing us to get rid of filterWarnings which is simply more trouble than it's worth. git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5574 8ced0084-cf51-0410-be5f-012b33b47a6e
68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
// Copyright (C) 2003 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#ifndef _LINEAR_DISKCACHE
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#define _LINEAR_DISKCACHE
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#include "Common.h"
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#include <stdlib.h>
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#include <stdio.h>
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// On disk format:
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// uint32 'DCAC'
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// uint32 version; // svn_rev
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// uint32 key_length;
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// uint32 value_length;
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// .... key;
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// .... value;
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class LinearDiskCacheReader {
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public:
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virtual void Read(const u8 *key, int key_size, const u8 *value, int value_size) = 0;
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};
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// Dead simple unsorted key-value store with append functionality.
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// No random read functionality, all reading is done in OpenAndRead.
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// Keys and values can contain any characters, including \0.
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//
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// Suitable for caching generated shader bytecode between executions.
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// Not tuned for extreme performance but should be reasonably fast.
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// Does not support keys or values larger than 2GB, which should be reasonable.
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// Keys must have non-zero length; values can have zero length.
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class LinearDiskCache {
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public:
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LinearDiskCache();
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// Returns the number of items read from the cache.
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int OpenAndRead(const char *filename, LinearDiskCacheReader *reader);
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void Close();
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void Sync();
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// Appends a key-value pair to the store.
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void Append(const u8 *key, int key_size, const u8 *value, int value_size);
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private:
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void WriteHeader();
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bool ValidateHeader();
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FILE *file_;
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int num_entries_;
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};
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#endif // _LINEAR_DISKCACHE
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