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epUtils.c

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "epDefs.h"
#include "epUtils.h"

int epUtils_ptrDeallocatorFunction(void *ptr)
{
  _DEBUG2("entering...");
  free(ptr);
  _RETURN(0);
}

boolean_t epUtils_isProbablePrime(ulong oddNumber) 
{
  ulong i;

  _DEBUG2("entering...");
  _IF_TRUE_RETURN(oddNumber%2 == 0, 0, _false);

  for(i = 3; i < 51; i += 2)
    {
      if(oddNumber == i)
        { _RETURN(_true); }
      else if(oddNumber%i == 0)
        { _RETURN(_false); }
    }

  _RETURN(_true); /* maybe */
}

boolean_t epUtils_stringComparisonFunction(const void *str1, const void *str2)
{
  _DEBUG2("entering...");
  _RETURN((!strcmp((char *)str1, (char *)str2))?_true:_false);
}

uint epUtils_stringHashFunction(const void *key)
{
  int i,
      keyLen;
  char *strKey =(char *) key;
  double hashVal = 0.0;

  _DEBUG2("entering...");
  keyLen =(int) strlen(strKey);

  for(i = 0; i < keyLen; i++)
    { hashVal += strKey[i] * pow(_B_, (keyLen - i - 1)); }

  _RETURN((int) hashVal);
}

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