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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_sep, (string, sep, argz, argz_len),

       const char *string _AND

       int sep _AND

       char **argz _AND

       size_t *argz_len)

{

  int len = 0;

  int i = 0;

  int num_strings = 0;

  char delim[2];

  char *running = 0;

  char *old_running = 0;

  char *token = 0;

  char *iter = 0;

  *argz_len = 0;

  if (!string || string[0] == '\0')

    {

      *argz= NULL;

      return 0;

    }

  delim[0] = sep;

  delim[1] = '\0';

  running = strdup(string);

  old_running = running;

  while ((token = strsep(&running, delim)))

    {

      len = strlen(token);

      *argz_len += (len + 1);

      num_strings++;

    }

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

    return ENOMEM;

  free(old_running);

  running = strdup(string);

  old_running = running;

  iter = *argz;

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

    {

      token = strsep(&running, delim);

      len = strlen(token) + 1;

      memcpy(iter, token, len);

      iter += len;

    }

  free(old_running);

  return 0;

}