csutil/util.h
Go to the documentation of this file.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 "csutil/csunicode.h" 00025 00033 namespace CS 00034 { 00043 CS_CRYSTALSPACE_EXPORT char* StrDup (const char *s); 00049 CS_CRYSTALSPACE_EXPORT char* StrDup (const wchar_t *s); 00055 CS_CRYSTALSPACE_EXPORT wchar_t* StrDupW (const wchar_t *s); 00061 CS_CRYSTALSPACE_EXPORT wchar_t* StrDupW (const char *s); 00062 } 00063 00065 CS_CRYSTALSPACE_EXPORT size_t cs_wcslen (wchar_t const* s); 00066 00075 inline char *csStrNew (const char *s) 00076 { 00077 if (!s) return 0; 00078 size_t sl = strlen (s) + 1; 00079 char *r = new char [sl]; 00080 memcpy (r, s, sl); 00081 return r; 00082 } 00089 inline char *csStrNew (const wchar_t *s) 00090 { 00091 if (!s) return 0; 00092 char* cs = CS::StrDup (s); 00093 size_t sl = strlen (cs) + 1; 00094 char *r = new char [sl]; 00095 memcpy (r, cs, sl); 00096 cs_free (cs); 00097 return r; 00098 } 00105 inline wchar_t* csStrNewW (const wchar_t *s) 00106 { 00107 if (!s) return 0; 00108 size_t sl = cs_wcslen (s) + 1; 00109 wchar_t *r = new wchar_t [sl]; 00110 memcpy (r, s, sl * sizeof (wchar_t)); 00111 return r; 00112 } 00119 inline wchar_t* csStrNewW (const char *s) 00120 { 00121 if (!s) return 0; 00122 wchar_t* ws = CS::StrDupW (s); 00123 size_t sl = cs_wcslen (ws) + 1; 00124 wchar_t *r = new wchar_t [sl]; 00125 memcpy (r, ws, sl * sizeof (wchar_t)); 00126 cs_free (ws); 00127 return r; 00128 } 00129 00136 CS_CRYSTALSPACE_EXPORT int csStrCaseCmp(char const* str1, char const* str2); 00137 00145 CS_CRYSTALSPACE_EXPORT int csStrNCaseCmp(char const* str1, char const* str2, 00146 size_t n); 00147 00161 struct csWtoC 00162 { 00163 private: 00164 char* s; 00165 public: 00170 csWtoC (const wchar_t* ws) 00171 { s = CS::StrDup (ws); } 00175 ~csWtoC () 00176 { cs_free (s); } 00180 operator const char* () const 00181 { return s; } 00182 }; 00183 00191 struct csCtoW 00192 { 00193 private: 00194 wchar_t* ws; 00195 public: 00200 csCtoW (const char* s) 00201 { ws = CS::StrDupW (s); } 00205 ~csCtoW () 00206 { cs_free (ws); } 00210 operator const wchar_t* () const 00211 { return ws; } 00212 }; 00213 00223 CS_CRYSTALSPACE_EXPORT char *csExpandName (const char *iName); 00224 00228 CS_CRYSTALSPACE_EXPORT void csSplitPath (const char *iPathName, char *oPath, 00229 size_t iPathSize, char *oName, size_t iNameSize); 00230 00239 CS_CRYSTALSPACE_EXPORT bool csGlobMatches (const char *fName, 00240 const char *fMask); 00241 00246 static inline int csFindNearestPowerOf2 (int n) 00247 { 00248 int v=n; 00249 00250 v--; 00251 v |= v >> 1; 00252 v |= v >> 2; 00253 v |= v >> 4; 00254 v |= v >> 8; 00255 v |= v >> 16; 00256 v++; 00257 00258 return v; 00259 } 00260 00262 static inline bool csIsPowerOf2 (int n) 00263 { 00264 return !(n & (n - 1)) && n; // (n-1) ^ n >= n; 00265 } 00266 00268 CS_CRYSTALSPACE_EXPORT int csLog2 (int n); 00269 00275 CS_CRYSTALSPACE_EXPORT void csReplaceAll (char *dest, const char *src, 00276 const char *search, const char *replace, int max); 00277 00278 00281 #endif // __CS_UTIL_H__
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