diff options
| author | George Hazan <george.hazan@gmail.com> | 2013-08-25 11:49:17 +0000 |
|---|---|---|
| committer | George Hazan <george.hazan@gmail.com> | 2013-08-25 11:49:17 +0000 |
| commit | 795f8fd245582f4cc66b3320418b13b8e15729b0 (patch) | |
| tree | 8288ade067b3a9e59d22e4fa792267e0c081b401 /src/mir_core/mstring.cpp | |
| parent | 7a8c390404fa11956c462790e8b7b98c75c0bafa (diff) | |
MString moved to the core
git-svn-id: http://svn.miranda-ng.org/main/trunk@5823 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'src/mir_core/mstring.cpp')
| -rw-r--r-- | src/mir_core/mstring.cpp | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/src/mir_core/mstring.cpp b/src/mir_core/mstring.cpp new file mode 100644 index 0000000000..fc1b4d60f8 --- /dev/null +++ b/src/mir_core/mstring.cpp @@ -0,0 +1,144 @@ +/*
+
+Miranda IM: the free IM client for Microsoft* Windows*
+
+Copyright 2000-12 Miranda IM, 2012-13 Miranda NG project,
+all portions of this codebase are copyrighted to the people
+listed in contributors.txt.
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#include "commonheaders.h"
+#include "m_string.h"
+
+/////////////////////////////////////////////////////////////////////////////////////////
+// CMBaseString
+
+class CNilMStringData : public CMStringData
+{
+public:
+ CNilMStringData();
+
+public:
+ wchar_t achNil[2];
+};
+
+CNilMStringData::CNilMStringData()
+{
+ nRefs = 2; // Never gets freed
+ nDataLength = 0;
+ nAllocLength = 0;
+ achNil[0] = 0;
+ achNil[1] = 0;
+}
+
+static CNilMStringData m_nil;
+
+/////////////////////////////////////////////////////////////////////////////////////////
+// CMBaseString
+
+MIR_CORE_DLL(CMStringData*) mirstr_allocate(int nChars, int nCharSize)
+{
+ nChars++; // nil char
+ size_t nDataBytes = nCharSize * nChars;
+ size_t nTotalSize = nDataBytes + sizeof(CMStringData);
+
+ CMStringData *pData = static_cast<CMStringData*>(malloc(nTotalSize));
+ if (pData == NULL)
+ return NULL;
+
+ pData->nRefs = 1;
+ pData->nAllocLength = nChars - 1;
+ pData->nDataLength = 0;
+ return pData;
+}
+
+MIR_CORE_DLL(void) mirstr_free(CMStringData *pData)
+{
+ free(pData);
+}
+
+MIR_CORE_DLL(CMStringData*) mirstr_realloc(CMStringData* pData, int nChars, int nCharSize)
+{
+ nChars++; // nil char
+ ULONG nDataBytes = nCharSize * nChars;
+ ULONG nTotalSize = nDataBytes + sizeof(CMStringData);
+
+ CMStringData *pNewData = static_cast<CMStringData*>(realloc(pData, nTotalSize));
+ if (pNewData == NULL)
+ return NULL;
+
+ pNewData->nAllocLength = nChars - 1;
+ return pNewData;
+}
+
+MIR_CORE_DLL(CMStringData*) mirstr_getNil()
+{
+ m_nil.AddRef();
+ return &m_nil;
+}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+// CMStringData
+
+MIR_CORE_DLL(void) mirstr_lock(CMStringData* pThis)
+{
+ pThis->nRefs--; // Locked buffers can't be shared, so no interlocked operation necessary
+ if (pThis->nRefs == 0)
+ pThis->nRefs = -1;
+}
+
+MIR_CORE_DLL(void) mirstr_release(CMStringData* pThis)
+{
+ if (InterlockedDecrement(&pThis->nRefs) <= 0)
+ mirstr_free(pThis);
+}
+
+MIR_CORE_DLL(void) mirstr_unlock(CMStringData* pThis)
+{
+ if (pThis->IsLocked())
+ {
+ pThis->nRefs++; // Locked buffers can't be shared, so no interlocked operation necessary
+ if (pThis->nRefs == 0)
+ pThis->nRefs = 1;
+ }
+}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+// ChTraitsCRT<wchar_t>
+
+int __stdcall ChTraitsCRT<wchar_t>::GetFormattedLength( LPCWSTR pszFormat, va_list args )
+{
+ return _vscwprintf(pszFormat, args);
+}
+
+int __stdcall ChTraitsCRT<wchar_t>::Format( LPWSTR pszBuffer, size_t nLength, LPCWSTR pszFormat, va_list args)
+{
+ return _vsnwprintf(pszBuffer, nLength, pszFormat, args);
+}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+// ChTraitsCRT<char>
+
+int __stdcall ChTraitsCRT<char>::GetFormattedLength( LPCSTR pszFormat, va_list args )
+{
+ return _vscprintf(pszFormat, args);
+}
+
+int __stdcall ChTraitsCRT<char>::Format( LPSTR pszBuffer, size_t nlength, LPCSTR pszFormat, va_list args )
+{
+ return vsprintf_s(pszBuffer, nlength, pszFormat, args);
+}
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