115 lines
2.2 KiB
C++
115 lines
2.2 KiB
C++
/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2002 Chris Schoeneman
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*
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* This package is free software you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* found in the file COPYING that should have accompanied this file.
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*
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* This package 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 for more details.
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*/
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#include "CArch.h"
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#include <string.h>
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#if HAVE_WCHAR_H
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# include <wchar.h>
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#elif __APPLE__
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// wtf? Darwin puts mbtowc() et al. in stdlib
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# include <stdlib.h>
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#else
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// platform apparently has no wchar_t support. provide dummy
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// implementations. hopefully at least the C++ compiler has
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// a built-in wchar_t type.
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# undef HAVE_MBSINIT
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static inline
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int
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mbtowc(wchar_t* dst, const char* src, int n)
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{
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*dst = static_cast<wchar_t>(*src);
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return 1;
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}
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static inline
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int
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wctomb(char* dst, wchar_t src)
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{
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*dst = static_cast<char>(src);
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return 1;
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}
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#endif
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class CArchMBStateImpl {
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public:
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#if HAVE_MBSINIT
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mbstate_t m_mbstate;
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#else
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int m_mbstate; // dummy data
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#endif
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};
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//
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// use C library non-reentrant multibyte conversion with mutex
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//
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static CArchMutex s_mutex;
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static
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void
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initMB()
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{
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s_mutex = ARCH->newMutex();
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}
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static
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void
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cleanMB()
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{
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ARCH->closeMutex(s_mutex);
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}
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void
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ARCH_STRING::initMBState(CArchMBState state)
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{
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memset(&state->m_mbstate, 0, sizeof(state->m_mbstate));
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}
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bool
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ARCH_STRING::isInitMBState(CArchMBState state)
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{
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// if we're using this file mbsinit() probably doesn't exist
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// but use it if it does
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#if HAVE_MBSINIT
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return (mbsinit(&state->m_mbstate) != 0);
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#else
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return true;
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#endif
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}
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int
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ARCH_STRING::convMBToWC(wchar_t* dst, const char* src, int n, CArchMBState)
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{
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wchar_t dummy;
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ARCH->lockMutex(s_mutex);
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int result = mbtowc(dst != NULL ? dst : &dummy, src, n);
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ARCH->unlockMutex(s_mutex);
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if (result < 0)
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return -1;
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else
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return result;
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}
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int
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ARCH_STRING::convWCToMB(char* dst, wchar_t src, CArchMBState)
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{
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char dummy[MB_LEN_MAX];
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ARCH->lockMutex(s_mutex);
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int n = wctomb(dst != NULL ? dst : dummy, src);
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ARCH->unlockMutex(s_mutex);
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return n;
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}
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