dbgstream.c
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001, 2002, 2004,
2005, 2006, 2007, 2008, 2009, 2010 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 3, 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 GNU Mailutils. If not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <mailutils/types.h>
#include <mailutils/alloc.h>
#include <mailutils/errno.h>
#include <mailutils/nls.h>
#include <mailutils/stream.h>
#include <mailutils/sys/stream.h>
#include <mailutils/sys/dbgstream.h>
#include <mailutils/debug.h>
static int
_dbg_write (struct _mu_stream *str, const char *buf, size_t size,
size_t *pnwrite)
{
struct _mu_dbgstream *sp = (struct _mu_dbgstream *)str;
if (pnwrite)
*pnwrite = size;
while (size > 0 && (buf[size-1] == '\n' || buf[size-1] == '\r'))
size--;
if (size)
mu_debug_printf (sp->debug, sp->level, "%.*s\n", size, buf);
return 0;
}
static int
_dbg_flush (struct _mu_stream *str)
{
struct _mu_dbgstream *sp = (struct _mu_dbgstream *)str;
mu_debug_printf (sp->debug, sp->level, "\n");
return 0;
}
static void
_dbg_done (struct _mu_stream *str)
{
struct _mu_dbgstream *sp = (struct _mu_dbgstream *)str;
if (str->flags & MU_STREAM_AUTOCLOSE)
mu_debug_destroy (&sp->debug, NULL);
}
int
mu_dbgstream_create(mu_stream_t *pref, mu_debug_t debug, mu_log_level_t level,
int flags)
{
struct _mu_dbgstream *sp;
sp = (struct _mu_dbgstream *)
_mu_stream_create (sizeof (*sp), MU_STREAM_WRITE |
(flags & MU_STREAM_AUTOCLOSE));
if (!sp)
return ENOMEM;
sp->stream.write = _dbg_write;
sp->stream.flush = _dbg_flush;
sp->stream.done = _dbg_done;
sp->debug = debug;
sp->level = level;
mu_stream_set_buffer ((mu_stream_t) sp, mu_buffer_line, 1024);
*pref = (mu_stream_t) sp;
return 0;
}