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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_create, (argv, argz, argz_len),

       char *const argv[] _AND

       char **argz _AND

       size_t *argz_len)

{

  int argc = 0;

  int i = 0;

  int len = 0;

  char *iter;

  *argz_len = 0;

  if (*argv == NULL)

    {

      *argz = NULL;

      return 0;

    }

  while (argv[argc])

    {

      *argz_len += (strlen(argv[argc]) + 1);

      argc++;

    }

  /* There are argc strings to copy into argz. */

  if(!(*argz = (char *)malloc(*argz_len)))

    return ENOMEM;

  iter = *argz;

  for(i = 0; i < argc; i++)

    {

      len = strlen(argv[i]) + 1;

      memcpy(iter, argv[i], len);

      iter += len;

    }

  return 0;

}