/**
 * Author......: Jens Steube <jens.steube@gmail.com>
 * License.....: MIT
 */

#include "common.h"
#include "logging.h"
#include "memory.h"

void *mycalloc (size_t nmemb, size_t size)
{
  void *p = calloc (nmemb, size);

  if (p == NULL)
  {
    log_error ("ERROR: %s", MSG_ENOMEM);

    exit (-1);
  }

  return (p);
}

void *mymalloc (size_t size)
{
  void *p = malloc (size);

  if (p == NULL)
  {
    log_error ("ERROR: %s", MSG_ENOMEM);

    exit (-1);
  }

  memset (p, 0, size);

  return (p);
}

void myfree (void *ptr)
{
  if (ptr == NULL) return;

  free (ptr);
}

void *myrealloc (void *ptr, size_t oldsz, size_t add)
{
  void *p = realloc (ptr, oldsz + add);

  if (p == NULL)
  {
    log_error ("ERROR: %s", MSG_ENOMEM);

    exit (-1);
  }

  memset ((char *) p + oldsz, 0, add);

  return (p);
}

char *mystrdup (const char *s)
{
  const size_t len = strlen (s);

  char *b = (char *) mymalloc (len + 1);

  memcpy (b, s, len);

  return (b);
}