/*!
 * @file xmalloc.c
 * @brief
 * @details
 *   Project: \n
 * Subsystem: \n
 *    Module: \n
 *      Code: GNU-C\n
 *
 * @date 28.02.2017
 * @author SESA354004
 */

#include <stdio.h>
#include <string.h>
#include "xmalloc.h"
#include "xtypes.h"

void* xmalloc(size_t size)
{
   void *value = malloc(size);
   if (value == 0)
      perror("virtual memory exhausted");
   else
      memset(value, 0, size);
   return value;
}

char* xmallocStrlcpy(char **aDest, char *aSource, size_t aSize)
{
   if (NULL == aSource || 0 == aSize)
   {
      return NULL;
   }
   if (NULL != *aDest)
   {
      *aDest = (char*) realloc(*aDest, aSize + 1);
   }
   else
   {
      *aDest = (char*) xmalloc(aSize + 1);
   }
   if (NULL != *aDest)
   {
      (void) strlcpy(*aDest, aSource, aSize + 1);
   }
   return *aDest;
}

char* xmallocStrlcat(char **aDest, char *aSource, size_t aSize)
{
   size_t newSize = 0;
   if (NULL == aSource || 0 == aSize)
   {
      return NULL;
   }
   if (NULL != *aDest)
   {
      newSize = strlen(*aDest) + aSize + 1;
      *aDest = (char*) realloc(*aDest, newSize);
   }
   else
   {
      newSize = aSize + 1;
      *aDest = (char*) xmalloc(newSize);
   }
   if (NULL != *aDest)
   {
      (void) strlcat(*aDest, aSource, newSize);
   }
   return *aDest;
}