CWE-ou-minkata/Sources/Plasma/CoreLib/hsUtils.h

/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

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it under the terms of the GNU General Public License as published by
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*==LICENSE==*/

#ifdef _HSUTILS_H
#   error "Do not include hsUtils.h directly--use HeadSpin.h"
#endif // _HSUTILS_H
#define   _HSUTILS_H

#include "HeadSpin.h"
#include <ctype.h>
#include <stdarg.h>

int     hsStrlen(const char src[]);
char*   hsStrcpy(char dstOrNil[], const char src[]);
void    hsStrcat(char dst[], const char src[]);
bool    hsStrEQ(const char s1[], const char s2[]);
bool    hsStrCaseEQ(const char* s1, const char* s2);
char*   hsScalarToStr(float);
int     hsRemove(const char* filename);
void    hsCPathToMacPath(char* dst, char* fname);   
void    hsStrLower(char *s);
char *  hsFormatStr(const char * fmt, ...); // You are responsible for returned memory.
char *  hsFormatStrV(const char * fmt, va_list args);   // You are responsible for returned memory.

// Use "correct" stricmp based on the selected compiler / library
#if HS_BUILD_FOR_WIN32
#    define stricmp     _stricmp
#    define strnicmp    _strnicmp
#    define wcsicmp     _wcsicmp
#    define wcsnicmp    _wcsnicmp
#    define strlwr      _strlwr
#else
#    define stricmp     strcasecmp
#    define strnicmp    strncasecmp
#    define wcsicmp     wcscasecmp
#    define wcsnicmp    wcsncasecmp
#    define strlwr      hsStrLower
#endif


//  A pstring has a length uint8_t at the beginning, and no trailing 0
char*   hsP2CString(const uint8_t pstring[], char cstring[]);
uint8_t*  hsC2PString(const char cstring[], uint8_t pstring[]);

inline char* hsStrcpy(const char src[])
{
    return hsStrcpy(nil, src);
}

inline char *hsStrncpy(char *strDest, const char *strSource, size_t count)
{
    char *temp = strncpy(strDest, strSource, count-1);
    strDest[count-1] = 0;
    return temp;
}

wchar_t *hsStringToWString( const char *str );
char    *hsWStringToString( const wchar_t *str );

enum {              // Kind of MessageBox...passed to hsMessageBox
    hsMessageBoxAbortRetyIgnore,
    hsMessageBoxNormal,             // Just Ok
    hsMessageBoxOkCancel,
    hsMessageBoxRetryCancel,
    hsMessageBoxYesNo,
    hsMessageBoxYesNoCancel,
};

enum {
    hsMessageBoxIconError,
    hsMessageBoxIconQuestion,
    hsMessageBoxIconExclamation,
    hsMessageBoxIconAsterisk,
};

enum {          // RETURN VALUES FROM hsMessageBox
    hsMBoxOk = 1,       // OK button was selected. 
    hsMBoxCancel,   // Cancel button was selected. 
    hsMBoxAbort,    // Abort button was selected. 
    hsMBoxRetry,    // Retry button was selected. 
    hsMBoxIgnore,   // Ignore button was selected. 
    hsMBoxYes,      // Yes button was selected. 
    hsMBoxNo        // No button was selected. 
};

extern bool hsMessageBox_SuppressPrompts;
int hsMessageBox(const char message[], const char caption[], int kind, int icon=hsMessageBoxIconAsterisk);
int hsMessageBox(const wchar_t message[], const wchar_t caption[], int kind, int icon=hsMessageBoxIconAsterisk);
int hsMessageBoxWithOwner(void* owner, const char message[], const char caption[], int kind, int icon=hsMessageBoxIconAsterisk);
int hsMessageBoxWithOwner(void* owner, const wchar_t message[], const wchar_t caption[], int kind, int icon=hsMessageBoxIconAsterisk);

inline hsBool hsCompare(float a, float b, float delta=0.0001);

// flag testing / clearing
#define hsCheckBits(f,c) ((f & c)==c)
#define hsTestBits(f,b)  ( (f) & (b)   )
#define hsSetBits(f,b)   ( (f) |= (b)  )
#define hsClearBits(f,b) ( (f) &= ~(b) )
#define hsToggleBits(f,b) ( (f) ^= (b) )
#define hsChangeBits(f,b,t) ( t ? hsSetBits(f,b) : hsClearBits(f,b) )


#if HS_BUILD_FOR_WIN32
// This is for Windows
#    define hsVsnprintf     _vsnprintf
#    define hsVsnwprintf    _vsnwprintf
#    define hsSnprintf      _snprintf
#    define hsSnwprintf     _snwprintf

#    define snprintf        _snprintf
#    define snwprintf       _snwprintf
#    define swprintf        _snwprintf

#    ifndef fileno
#        define fileno(__F)       _fileno(__F)
#    endif

#   define hsWFopen(name, mode)     _wfopen(name, mode)
#else
// This is for Unix, Linux, OSX, etc.
#    define hsVsnprintf     vsnprintf
#    define hsVsnwprintf    vswprintf
#    define hsSnprintf      snprintf
#    define hsSnwprintf     swprintf

#   define hsWFopen(name, mode)     fopen(hsWStringToString(name), hsWStringToString(mode))
#endif

// Useful floating point utilities
inline float hsDegreesToRadians(float deg) { return float(deg * (M_PI / 180)); }
inline float hsRadiansToDegrees(float rad) { return float(rad * (180 / M_PI)); }
#define hsInvert(a) (1 / (a))


/////////////////////////////
// Physical memory functions
/////////////////////////////
enum MemSpec
{
    kBlows = 0,     // Less than 128
    kAcceptable,    // Less than 256
    kOptimal        // 256 or greater
};

uint32_t hsPhysicalMemory();
MemSpec hsMemorySpec();

inline int hsRandMax() { return 32767; }
inline float hsRandNorm() { return 1.f / 32767.f; } // multiply by hsRand to get randoms ranged [0..1]
int hsRand(void);
void hsRandSeed(int seed);

#define hsFopen(name, mode) fopen(name, mode)

char** DisplaySystemVersion();