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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 <errno.h>

#include <sys/types.h>

#include <stdlib.h>

#include <string.h>

#include <argz.h>

error_t

_DEFUN (argz_add_sep, (argz, argz_len, str, sep),

       char **argz _AND

       size_t *argz_len _AND

       const char *str _AND

       int sep)

{

  char *str_argz = 0;

  size_t str_argz_len = 0;

  size_t last = *argz_len;

  argz_create_sep (str, sep, &str_argz, &str_argz_len);

  if (str_argz_len)

    {

      *argz_len += str_argz_len;

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

        return ENOMEM;

      memcpy(*argz + last, str_argz, str_argz_len);

    }

  return 0;

}