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00019 #ifndef __UTIL_H__
00020 #define __UTIL_H__
00021
00022 #include <stdio.h>
00023
00025 long csRndNum (long minRange, long maxRange);
00026
00033 extern char *csStrNew (const char *s);
00034
00040 extern void csCombinations (int m, int n,
00041 bool (*callback) (int *vector, int count,
00042 void *arg), void *arg);
00043
00053 extern char *csExpandName (const char *iName);
00054
00059 extern void csSplitPath (const char *iPathName, char *oPath, size_t iPathSize,
00060 char *oName, size_t iNameSize);
00061
00070 extern bool csGlobMatches (const char *fName, const char *fMask);
00071
00073 static inline void csSwapInt (int &a, int &b)
00074 {
00075 int tmp = a;
00076 a = b; b = tmp;
00077 }
00078
00080 static inline void csSwapFloat (float &a, float &b)
00081 {
00082 float tmp = a;
00083 a = b; b = tmp;
00084 }
00085
00087 static inline float csSquareFloat (float x)
00088 {
00089 return x*x;
00090 }
00091
00093 static inline unsigned long csByteSwap32bit( const unsigned long value )
00094 {
00095 return ((value >> 24 ) & 0x000000FF ) | ((value >> 8) & 0x0000FF00)
00096 | ((value << 8) & 0x00FF0000) | (( value << 24) & 0xFF000000);
00097 }
00098
00100 static inline unsigned short csByteSwap16bit( const unsigned short value )
00101 {
00102 return (( value >> 8 ) & 0x000000FF ) | (( value << 8 ) & 0x0000FF00 );
00103 }
00104
00106 void csByteSwap32bitBuffer( register unsigned long* const place,
00107 register unsigned long count );
00108
00110 void csByteSwap16bitBuffer( register unsigned short* const place,
00111 register unsigned long count );
00112
00117 int csFindNearestPowerOf2 (int n);
00118
00120 bool csIsPowerOf2 (int n);
00121
00123 static inline int csLog2 (int n)
00124 {
00125 int l = 31; unsigned x = 0x80000000;
00126 while (x && !(n & x))
00127 l--, x >>= 1;
00128 return l;
00129 }
00130
00136 void csFindReplace (char *dest, const char *src, const char *search,
00137 const char *replace, int max);
00138
00139 #endif // __UTIL_H__