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/* Copyright (C) 2002 by  Red Hat, Incorporated. All rights reserved.

 *

 * Permission to use, copy, modify, and distribute this software

 * is freely granted, provided that this notice is preserved.

 */

#include <argz.h>

#include <errno.h>

#include <sys/types.h>

#include <string.h>

#include <stdlib.h>

error_t

_DEFUN (argz_add, (argz, argz_len, str),

       char **argz _AND

       size_t *argz_len _AND

       const char *str)

{

  int len_to_add = 0;

  size_t last = *argz_len;

  if (str == NULL)

    return 0;

  len_to_add = strlen(str) + 1;

  *argz_len += len_to_add;

  if(!(*argz = (char *)realloc(*argz, *argz_len)))

    return ENOMEM;

  memcpy(*argz + last, str, len_to_add);

  return 0;

}