summaryrefslogtreecommitdiff
path: root/plugins/UserInfoEx/src/commonheaders.cpp
diff options
context:
space:
mode:
authorVadim Dashevskiy <watcherhd@gmail.com>2012-07-24 11:48:31 +0000
committerVadim Dashevskiy <watcherhd@gmail.com>2012-07-24 11:48:31 +0000
commit171e81205e357e0d54283a63997ed58ff97d54a9 (patch)
tree2fe6f4cb440569e07d151564446433fb84b83839 /plugins/UserInfoEx/src/commonheaders.cpp
parent1e92bf5cf72665b5fec103a0a70d734340725539 (diff)
UserInfoEx, Variables: changed folder structure
git-svn-id: http://svn.miranda-ng.org/main/trunk@1160 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'plugins/UserInfoEx/src/commonheaders.cpp')
-rw-r--r--plugins/UserInfoEx/src/commonheaders.cpp180
1 files changed, 180 insertions, 0 deletions
diff --git a/plugins/UserInfoEx/src/commonheaders.cpp b/plugins/UserInfoEx/src/commonheaders.cpp
new file mode 100644
index 0000000000..608d7ddbfc
--- /dev/null
+++ b/plugins/UserInfoEx/src/commonheaders.cpp
@@ -0,0 +1,180 @@
+/*
+UserinfoEx plugin for Miranda IM
+
+Copyright:
+© 2006-2010 DeathAxe, Yasnovidyashii, Merlin, K. Romanov, Kreol
+
+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.
+
+===============================================================================
+
+File name : $HeadURL: https://userinfoex.googlecode.com/svn/trunk/commonheaders.cpp $
+Revision : $Revision: 210 $
+Last change on : $Date: 2010-10-02 22:27:36 +0400 (Сб, 02 окт 2010) $
+Last change by : $Author: ing.u.horn $
+
+===============================================================================
+*/
+#include "commonheaders.h"
+
+// global:
+HINSTANCE ghInst = NULL;
+TIME_API tmi; //timezone interface
+FI_INTERFACE *FIP = NULL; //freeimage interface
+CLIST_INTERFACE *pcli = NULL;
+
+MGLOBAL myGlobals;
+pfnDwmIsCompositionEnabled dwmIsCompositionEnabled;
+
+/**
+ * Calculates an unique DWORD number from a string.
+ * It's the same as used in langpack.
+ *
+ * @param szStr - string to calculate the hash value for
+ * @return the unique id for the szStr
+ **/
+
+#if __GNUC__
+#define NOINLINEASM
+#endif
+
+DWORD hashSetting(LPCSTR szStr)
+{
+#if defined _M_IX86 && !defined _NUMEGA_BC_FINALCHECK && !defined NOINLINEASM
+ __asm
+ {
+ xor edx,edx
+ xor eax,eax
+ mov esi,szStr
+ mov al,[esi]
+ dec esi
+ xor cl,cl
+ lph_top: //only 4 of 9 instructions in here don't use AL, so optimal pipe use is impossible
+ xor edx,eax
+ inc esi
+ and cl,31
+ movzx eax,byte ptr [esi]
+ add cl,5
+ test al,al
+ rol eax,cl //rol is u-pipe only, but pairable
+ //rol doesn't touch z-flag
+ jnz lph_top //5 clock tick loop. not bad.
+
+ xor eax,edx
+ }
+#else
+ DWORD hash = 0;
+ int i;
+ int shift = 0;
+ for (i = 0; szStr[i]; i++)
+ {
+ hash ^= szStr[i] << shift;
+ if (shift > 24)
+ {
+ hash ^= (szStr[i] >> (32 - shift)) & 0x7F;
+ }
+ shift = (shift + 5) & 0x1F;
+ }
+ return hash;
+#endif
+}
+
+// MurmurHash2
+#ifdef _DEBUG
+#pragma optimize( "gt", on )
+#endif
+unsigned int __fastcall hash_M2(const void * key, unsigned int len)
+{
+ // 'm' and 'r' are mixing constants generated offline.
+ // They're not really 'magic', they just happen to work well.
+ const unsigned int m = 0x5bd1e995;
+ const int r = 24;
+
+ // Initialize the hash to a 'random' value
+ unsigned int h = len;
+
+ // Mix 4 bytes at a time into the hash
+ const unsigned char * data = (const unsigned char *)key;
+
+ while(len >= 4)
+ {
+ unsigned int k = *(unsigned int *)data;
+
+ k *= m;
+ k ^= k >> r;
+ k *= m;
+
+ h *= m;
+ h ^= k;
+
+ data += 4;
+ len -= 4;
+ }
+
+ // Handle the last few bytes of the input array
+ switch(len)
+ {
+ case 3: h ^= data[2] << 16;
+ case 2: h ^= data[1] << 8;
+ case 1: h ^= data[0];
+ h *= m;
+ };
+
+ // Do a few final mixes of the hash to ensure the last few
+ // bytes are well-incorporated.
+ h ^= h >> 13;
+ h *= m;
+ h ^= h >> 15;
+
+ return h;
+}
+
+unsigned int hashSettingW_M2(const char * key)
+{
+ if (key == NULL) return 0;
+ const unsigned int len = (unsigned int)wcslen((const wchar_t*)key);
+ char* buf = (char*)alloca(len + 1);
+ for (unsigned i = 0; i <= len ; ++i)
+ buf[i] = key[i << 1];
+ return hash_M2(buf, len);
+}
+
+unsigned int hashSetting_M2(const char * key)
+{
+ if (key == NULL) return 0;
+ const unsigned int len = (unsigned int)strlen((const char*)key);
+ return hash_M2(key, len);
+}
+
+unsigned int hashSetting_M2(const wchar_t * key)
+{
+ if (key == NULL) return 0;
+ const unsigned int len = (unsigned int)wcslen((const wchar_t*)key);
+ return hash_M2(key, len * sizeof(wchar_t));
+}
+
+#ifdef _DEBUG
+#pragma optimize( "", on )
+#endif
+
+INT_PTR myDestroyServiceFunction(const char * key) {
+ //DestroyServiceFunction always return 0 therfore we must call ServiceExists to enshure it is delete
+ if (!ServiceExists(key)) return 0;
+ DestroyServiceFunction((HANDLE)(INT_PTR)hashSetting(key)); //old hash
+ if (!ServiceExists(key)) return 0;
+ DestroyServiceFunction((HANDLE)(INT_PTR)hashSetting_M2(key)); //new MurmurHash2
+ if (!ServiceExists(key)) return 0;
+ return 1;
+}