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util.h

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00001 /*
00002     Copyright (C) 1998 by Jorrit Tyberghein
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public
00015     License along with this library; if not, write to the Free
00016     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 */
00018 
00019 #ifndef __CS_UTIL_H__
00020 #define __CS_UTIL_H__
00021 
00022 #include <stdio.h>
00023 #include "cssys/csunicode.h"
00024 
00038 extern char *csStrNew (const char *s);
00043 extern char *csStrNew (const wchar_t *s);
00047 extern wchar_t* csStrNewW (const wchar_t *s);
00052 extern wchar_t* csStrNewW (const char *s);
00053 
00066 struct csWtoC
00067 {
00068 private:
00069   char* s;
00070 public:
00075   csWtoC (const wchar_t* ws)
00076   { s = csStrNew (ws); }
00080   ~csWtoC ()
00081   { delete[] s; }
00085   operator const char* () const
00086   { return s; }
00087 };
00088 
00095 struct csCtoW
00096 {
00097 private:
00098   wchar_t* ws;
00099 public:
00104   csCtoW (const char* s)
00105   { ws = csStrNewW (s); }
00109   ~csCtoW ()
00110   { delete[] ws; }
00114   operator const wchar_t* () const
00115   { return ws; }
00116 };
00117 
00127 extern char *csExpandName (const char *iName);
00128 
00133 extern void csSplitPath (const char *iPathName, char *oPath, size_t iPathSize,
00134   char *oName, size_t iNameSize);
00135 
00145 extern bool csGlobMatches (const char *fName, const char *fMask);
00146 
00151 int csFindNearestPowerOf2 (int n);
00152 
00154 bool csIsPowerOf2 (int n);
00155 
00157 static inline int csLog2 (int n)
00158 {
00159   int l = 31; unsigned x = 0x80000000;
00160   while (x && !(n & x))
00161     l--, x >>= 1;
00162   return l;
00163 }
00164 
00170 void csFindReplace (char *dest, const char *src, const char *search,
00171   const char *replace, int max);
00172 
00175 #endif // __CS_UTIL_H__

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