Tools.c (98af585) - BlinkenLib · BlinkenArea

Tools.c

/* BlinkenLib
 * version 0.2 date 2005-01-27
 * Copyright 2004-2005 Stefan Schuermans <1stein@schuermans.info>
 * Copyleft: GNU public license - http://www.gnu.org/copyleft/gpl.html
 * a blinkenarea.org project
 * powered by eventphone.de
 */

#include <stdlib.h>

#include "Tools.h"

void * malloc1D( int count1, int size )
{
  if( count1 < 1 ) count1 = 1;
  if( size < 1 )
    return NULL;

return malloc( count1 * size );
}

void * * malloc2D( int count1, int count2, int size )
{
  int sz, i;
  char * p;
  void * * ptr;

if( count1 < 1 ) count1 = 1;
  if( count2 < 1 ) count2 = 1;
  if( size < 1 )
    return NULL;

sz = count1 * sizeof( void * ) + count1 * count2 * size;
  p = (char *)malloc( sz );
  if( p == NULL )
    return NULL;

ptr = (void * *)p;
  p += count1 * sizeof( void * );
  for( i = 0; i < count1; i++ )
  {
    ptr[i] = (void *)p;
    p += count2 * size;
  }
  return ptr;
}

void * * * malloc3D( int count1, int count2, int count3, int size )
{
  int sz, i, j;
  char * p;
  void * * * ptr;

if( count1 < 1 ) count1 = 1;
  if( count2 < 1 ) count2 = 1;
  if( count3 < 1 ) count3 = 1;
  if( size < 1 )
    return NULL;

sz = count1 * sizeof( void * * ) + count1 * count2 * sizeof( void * ) + count1 * count2 * count3 * size;
  p = (char *)malloc( sz );
  if( p == NULL )
    return NULL;

ptr = (void * * *)p;
  p += count1 * sizeof( void * * );
  for( i = 0; i < count1; i++ )
  {
    ptr[i] = (void * *)p;
    p += count2 * sizeof( void * );
  }
  for( i = 0; i < count1; i++ )
    for( j = 0; j < count2; j++ )
    {
      ptr[i][j] = (void *)p;
      p += count3 * size;
    }
  return ptr;
}

BlinkenLib

BlinkenLib v.0.2 (2005-01-27)