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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>

char *

_DEFUN (argz_next, (argz, argz_len, entry),

       char *argz _AND

       size_t argz_len _AND

       const char *entry)

{

  if (entry)

    {

      while(*entry != '\0')

        entry++;

      entry++;

      if (entry >= argz + argz_len)

        return NULL;

      else

        return (char *) entry;

    }

  else

    {

      if (argz_len > 0)

        return (char *) argz;

      else

        return NULL;

    }

}