#define UTIL_UTIL_SOURCE_C_C
#include "util-util.h"

void Swap(int *a, int *b)
{
  int temp;
  
  temp = *a;
  *a = *b;
  *b = temp;
}


void  **Allocate_Array(int row, int column)
{ 
  int i;
  int k;
  void  **dataptr;
  dataptr  = (void **) calloc((size_t) (row), sizeof(char *));
  if (!dataptr) { 
    printf("\n Error: can't make 2-d array.") ;
    return(NULL);
  }
  /* Allocating memeory for scanptr */
  for (i = 0; i < row; i++)  {
    /* allocate memory for scanline */
    dataptr[i] = (char *) calloc((size_t) (column), 
				 sizeof(char));
    /*Initialize the Data Buffer */
    if (!dataptr[i]) {
      printf(" Error : can't make row %d in [%dx%d] matrix.\n",
	     i,row,column);
      exit(-1);
    }
  }
  return dataptr;
}

void  ***Allocate_Array3D(int row1, int row2, int column)
{ 
  int i;
  int k;
  void  ***dataptr;
  dataptr  = (void ***) calloc((size_t) (row1), 
			       sizeof(char **));
  if (!dataptr) { 
    printf("\n Error: can't make 3-d array.") ;
    return(NULL);
  }
  /* Allocating memeory for scanptr */
  for (i = 0; i < row1; i++) {
    /* allocate memory for scanline */
    dataptr[i] =  Allocate_Array(row2,column);
    /*Initialize the Data Buffer */
    if (!dataptr[i]) {
      printf(" Error : can't make row %d in [%d x %d x %d] matrix.\n",
	     i,row1,row2, column);
      exit(1);
    }
  }
  return dataptr;
}
 
void Free_Array(void **dataptr,int row)
{
  int i;
  for(i=0;i<row; i++) { 
    if (dataptr[i])
      free(dataptr[i]);
  }
  free(dataptr);
}

void Free_Array3D(void ***dataptr,int row1,int row2)
{
  int i;
  for (i=0; i<row1; i++)
    if (dataptr[i])
      Free_Array(dataptr[i],row2);
  free(dataptr);
}