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csutil/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 "csextern.h"
00024 #include "csunicode.h"
00025 
00039 extern CS_CSUTIL_EXPORT char *csStrNew (const char *s);
00044 extern CS_CSUTIL_EXPORT char *csStrNew (const wchar_t *s);
00048 extern CS_CSUTIL_EXPORT wchar_t* csStrNewW (const wchar_t *s);
00053 extern CS_CSUTIL_EXPORT wchar_t* csStrNewW (const char *s);
00054 
00067 struct csWtoC
00068 {
00069 private:
00070   char* s;
00071 public:
00076   csWtoC (const wchar_t* ws)
00077   { s = csStrNew (ws); }
00081   ~csWtoC ()
00082   { delete[] s; }
00086   operator const char* () const
00087   { return s; }
00088 };
00089 
00096 struct csCtoW
00097 {
00098 private:
00099   wchar_t* ws;
00100 public:
00105   csCtoW (const char* s)
00106   { ws = csStrNewW (s); }
00110   ~csCtoW ()
00111   { delete[] ws; }
00115   operator const wchar_t* () const
00116   { return ws; }
00117 };
00118 
00128 extern CS_CSUTIL_EXPORT char *csExpandName (const char *iName);
00129 
00134 extern CS_CSUTIL_EXPORT void csSplitPath (const char *iPathName, char *oPath, size_t iPathSize,
00135   char *oName, size_t iNameSize);
00136 
00146 extern CS_CSUTIL_EXPORT bool csGlobMatches (const char *fName, const char *fMask);
00147 
00152 CS_CSUTIL_EXPORT int csFindNearestPowerOf2 (int n);
00153 
00155 CS_CSUTIL_EXPORT bool csIsPowerOf2 (int n);
00156 
00158 static inline int csLog2 (int n)
00159 {
00160   int l = 31; unsigned x = 0x80000000;
00161   while (x && !(n & x))
00162     l--, x >>= 1;
00163   return l;
00164 }
00165 
00171 CS_CSUTIL_EXPORT void csFindReplace (char *dest, const char *src,
00172   const char *search, const char *replace, int max);
00173 
00176 #endif // __CS_UTIL_H__

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