/*
 * lib/krb5/rcache/rc_io.h
 *
 * This file of the Kerberos V5 software is derived from public-domain code
 * contributed by Daniel J. Bernstein, <brnstnd@acf10.nyu.edu>.
 *
 */

/*
 * Declarations for the I/O sub-package of the replay cache
 */

#ifndef KRB5_RC_IO_H
#define KRB5_RC_IO_H

typedef struct krb5_rc_iostuff
 {
  int fd;
#ifdef MSDOS_FILESYSTEM
  long mark;
#else
  off_t mark; /* on newer systems, should be pos_t */
#endif
  char *fn;
 }
krb5_rc_iostuff;

/* first argument is always iostuff for result file */

krb5_error_code krb5_rc_io_creat
	(krb5_context,
		   krb5_rc_iostuff *,
		   char **);
krb5_error_code krb5_rc_io_open
	(krb5_context,
		   krb5_rc_iostuff *,
		   char *);
krb5_error_code krb5_rc_io_move
	(krb5_context,
		   krb5_rc_iostuff *,
		   krb5_rc_iostuff *);
krb5_error_code krb5_rc_io_write
	(krb5_context,
		   krb5_rc_iostuff *,
		   krb5_pointer,
		   unsigned int);
krb5_error_code krb5_rc_io_read
	(krb5_context,
		   krb5_rc_iostuff *,
		   krb5_pointer,
		   unsigned int);
krb5_error_code krb5_rc_io_close
	(krb5_context,
		   krb5_rc_iostuff *);
krb5_error_code krb5_rc_io_destroy
	(krb5_context,
		   krb5_rc_iostuff *);
krb5_error_code krb5_rc_io_mark
	(krb5_context,
		   krb5_rc_iostuff *);
krb5_error_code krb5_rc_io_unmark
	(krb5_context,
		   krb5_rc_iostuff *);
krb5_error_code krb5_rc_io_sync
	(krb5_context,
		   krb5_rc_iostuff *);
long krb5_rc_io_size
	(krb5_context,
		   krb5_rc_iostuff *);
#endif