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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_append, (argz, argz_len, buf, buf_len),

       char **argz _AND

       size_t *argz_len _AND

       const char *buf _AND

       size_t buf_len)

{

  if (buf_len)

    {

      size_t last = *argz_len;

      *argz_len += buf_len;

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

        return ENOMEM;

      memcpy(*argz + last, buf, buf_len);

    }

  return 0;

}