mbox_hstream.c
2.13 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include <mailutils/error.h>
#include <mailutils/sys/mbox.h>
int
mbox_get_hstream (mbox_t mbox, unsigned int msgno, stream_t *pstream)
{
int status = 0;
mbox_debug_print (mbox, "get_hstream(%u)", msgno);
if (mbox == NULL || msgno == 0 || pstream == NULL)
return MU_ERROR_INVALID_PARAMETER;
if (msgno > mbox->messages_count)
return MU_ERROR_INVALID_PARAMETER;
msgno--;
if (mbox->umessages[msgno]->header.stream)
{
stream_ref (mbox->umessages[msgno]->header.stream);
*pstream = mbox->umessages[msgno]->header.stream;
}
else
{
status = stream_mbox_create (pstream, mbox, msgno + 1, 1);
if (status == 0)
mbox->umessages[msgno]->header.stream = *pstream;
}
return status;
}
int
mbox_set_hstream (mbox_t mbox, unsigned int msgno, stream_t stream)
{
if (mbox == NULL || msgno == 0)
return MU_ERROR_INVALID_PARAMETER;
if (msgno > mbox->umessages_count)
return MU_ERROR_INVALID_PARAMETER;
if (mbox->umessages[msgno - 1]->header.stream)
mbox_release_hstream (mbox, msgno);
mbox->umessages[msgno - 1]->attr_flags |= MU_MBOX_HSTREAM_SET;
mbox->umessages[msgno - 1]->attr_flags |= MU_ATTRIBUTE_MODIFIED;
mbox->umessages[msgno - 1]->header.stream = stream;
return 0;
}