/* $Id: streams.c,v 1.4 2002/03/02 19:37:36 sverrehu Exp $ */
/*------------------------------------------------------------------------
 |  FILE            streams.c
 |  MODULE OF       shhmsg - library for displaying messages.
 |
 |  DESCRIPTION     Routines for handling the stream that output goes to.
 |                  This allows using streams other than stderr and stdout.
 |
 |  WRITTEN BY      Sverre H. Huseby <shh@thathost.com>
 |                  This file is mainly contributed by
 |                    Louis W. Erickson <loue@skylight.com>
 +----------------------------------------------------------------------*/

#include <stdio.h>
#include <string.h>

#include "internal.h"
#include "shhmsg.h"

/*-----------------------------------------------------------------------+
|  PUBLIC FUNCTIONS                                                      |
+-----------------------------------------------------------------------*/

/*------------------------------------------------------------------------
 |
 |  NAME          msgSetErrorStream
 |
 |  FUNCTION      Specify the file stream error values should go to.
 |
 |  SYNOPSIS      #include "shhmsg.h"
 |                FILE *msgSetErrorStream(FILE *f);
 |
 |  INPUT         f       pointer to a FILE that holds stream to write to.
 |
 |  RETURNS       Pointer to the old stream used for output.
 |
 |  DESCRIPTION   The stream passed is used to write all errors to.
 */
FILE *
msgSetErrorStream(FILE *f)
{
    FILE *ret = GET_ERROR_STREAM;

    _msgErrorStream = f ? f : MSG_DEFAULT_ERROR_STREAM;
    return ret;
}

/*------------------------------------------------------------------------
 |
 |  NAME          msgSetVerboseStream
 |
 |  FUNCTION      Specify the file stream verbose output should go to.
 |
 |  SYNOPSIS      #include "shhmsg.h"
 |                FILE *msgSetVerboseStream(FILE *f);
 |
 |  INPUT         f       pointer to a FILE that holds stream to write to.
 |
 |  RETURNS       Pointer to the old stream used for output.
 |
 |  DESCRIPTION   The stream passed is used to write all verbose output to.
 */
FILE *
msgSetVerboseStream(FILE *f)
{
    FILE *ret = GET_VERBOSE_STREAM;

    _msgVerboseStream = f ? f : MSG_DEFAULT_VERBOSE_STREAM;
    return ret;
}

/*------------------------------------------------------------------------
 |
 |  NAME          msgSetMessageStream
 |
 |  FUNCTION      Specify the file stream message output should go to.
 |
 |  SYNOPSIS      #include "shhmsg.h"
 |                FILE *msgSetMessageStream(FILE *f);
 |
 |  INPUT         f       pointer to a FILE that holds stream to write to.
 |
 |  RETURNS       Pointer to the old stream used for output.
 |
 |  DESCRIPTION   The stream passed is used to write all "messages" to.
 */
FILE *
msgSetMessageStream(FILE *f)
{
    FILE *ret = GET_MESSAGE_STREAM;

    _msgMessageStream = f ? f : MSG_DEFAULT_MESSAGE_STREAM;
    return ret;
}