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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
GNU Mailutils is free software; you can redistribute it and/or modify
it under the terms of the GNU General Library Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Mailutils is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with GNU Mailutils; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include <mailutils/error.h>
#include <mailutils/sys/stream.h>
int
stream_ref (stream_t stream)
{
if (stream == NULL || stream->vtable == NULL
|| stream->vtable->ref == NULL)
return MU_ERROR_NOT_SUPPORTED;
return stream->vtable->ref (stream);
}
void
stream_destroy (stream_t *pstream)
{
if (pstream && *pstream)
{
stream_t stream = *pstream;
if (stream->vtable && stream->vtable->destroy)
stream->vtable->destroy (pstream);
*pstream = NULL;
}
}
int
stream_open (stream_t stream, const char *host, int port, int flag)
{
if (stream == NULL || stream->vtable == NULL
|| stream->vtable->open == NULL)
return MU_ERROR_NOT_SUPPORTED;
return stream->vtable->open (stream, host, port, flag);
}
int
stream_close (stream_t stream)
{
if (stream == NULL || stream->vtable == NULL
|| stream->vtable->close == NULL)
return MU_ERROR_NOT_SUPPORTED;
return stream->vtable->close (stream);
}
int
stream_read (stream_t stream, void *buf, size_t buflen, off_t o, size_t *n)
{
if (stream == NULL || stream->vtable == NULL
|| stream->vtable->read == NULL)
return MU_ERROR_NOT_SUPPORTED;
return stream->vtable->read (stream, buf, buflen, o, n);
}
int
stream_readline (stream_t stream, char *buf, size_t buflen, off_t o, size_t *n)
{
if (stream == NULL || stream->vtable == NULL
|| stream->vtable->readline == NULL)
return MU_ERROR_NOT_SUPPORTED;
return stream->vtable->readline (stream, buf, buflen, o, n);
}
int
stream_write (stream_t stream, const void *buf, size_t buflen, off_t o, size_t *n)
{
if (stream == NULL || stream->vtable == NULL
|| stream->vtable->write == NULL)
return MU_ERROR_NOT_SUPPORTED;
return stream->vtable->write (stream, buf, buflen, o, n);
}
int
stream_tell (stream_t stream, off_t *off)
{
if (stream == NULL || stream->vtable == NULL
|| stream->vtable->tell == NULL)
return MU_ERROR_NOT_SUPPORTED;
return stream->vtable->tell (stream, off);
}
int
stream_get_size (stream_t stream, off_t *off)
{
if (stream == NULL || stream->vtable == NULL
|| stream->vtable->get_size == NULL)
return MU_ERROR_NOT_SUPPORTED;
return stream->vtable->get_size (stream, off);
}
int
stream_truncate (stream_t stream, off_t off)
{
if (stream == NULL || stream->vtable == NULL
|| stream->vtable->truncate == NULL)
return MU_ERROR_NOT_SUPPORTED;
return stream->vtable->truncate (stream, off);
}
int
stream_flush (stream_t stream)
{
if (stream == NULL || stream->vtable == NULL
|| stream->vtable->flush == NULL)
return MU_ERROR_NOT_SUPPORTED;
return stream->vtable->flush (stream);
}
int
stream_get_fd (stream_t stream, int *fd)
{
if (stream == NULL || stream->vtable == NULL
|| stream->vtable->get_fd == NULL)
return MU_ERROR_NOT_SUPPORTED;
return stream->vtable->get_fd (stream, fd);
}
int
stream_get_flags (stream_t stream, int *flags)
{
if (stream == NULL || stream->vtable == NULL
|| stream->vtable->get_flags == NULL)
return MU_ERROR_NOT_SUPPORTED;
return stream->vtable->get_flags (stream, flags);
}
int
stream_get_state (stream_t stream, enum stream_state *state)
{
if (stream == NULL || stream->vtable == NULL
|| stream->vtable->get_state == NULL)
return MU_ERROR_NOT_SUPPORTED;
return stream->vtable->get_state (stream, state);
}
int
stream_is_seekable (stream_t stream)
{
if (stream == NULL || stream->vtable == NULL
|| stream->vtable->is_seekable == NULL)
return MU_ERROR_NOT_SUPPORTED;
return stream->vtable->is_seekable (stream);
}
int
stream_is_readready (stream_t stream, int timeout)
{
if (stream == NULL || stream->vtable == NULL
|| stream->vtable->is_readready == NULL)
return MU_ERROR_NOT_SUPPORTED;
return stream->vtable->is_readready (stream, timeout);
}
int
stream_is_writeready (stream_t stream, int timeout)
{
if (stream == NULL || stream->vtable == NULL
|| stream->vtable->is_writeready == NULL)
return MU_ERROR_NOT_SUPPORTED;
return stream->vtable->is_writeready (stream, timeout);
}
int
stream_is_exceptionpending (stream_t stream, int timeout)
{
if (stream == NULL || stream->vtable == NULL
|| stream->vtable->is_exceptionpending == NULL)
return MU_ERROR_NOT_SUPPORTED;
return stream->vtable->is_exceptionpending (stream, timeout);
}
int
stream_is_open (stream_t stream)
{
if (stream == NULL || stream->vtable == NULL
|| stream->vtable->is_open == NULL)
return MU_ERROR_NOT_SUPPORTED;
return stream->vtable->is_open (stream);
}
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