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/* libnih
*
* dbus_error.c - D-Bus error handling
*
* Copyright © 2009 Scott James Remnant <scott@netsplit.com>.
* Copyright © 2009 Canonical Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2, as
* published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif /* HAVE_CONFIG_H */
#include <stdarg.h>
#include <nih/macros.h>
#include <nih/alloc.h>
#include <nih/string.h>
#include <nih/logging.h>
#include <nih/error.h>
#include <nih-dbus/errors.h>
#include "dbus_error.h"
/**
* nih_dbus_error_raise:
* @name: D-Bus name for error,
* @message: Human-readable error message.
*
* Raises an error which includes a D-Bus name so that it may be sent as
* a reply to a method call, the error type is fixed to NIH_DBUS_ERROR.
*
* You may use this in D-Bus handlers and return a negative number to
* automatically have this error returned as the method reply. It is also
* useful when mixing D-Bus and libnih function calls in your own methods
* to return consistent error forms, in which case pass the name and message
* members of the DBusError structure before freeing it.
**/
void
nih_dbus_error_raise (const char *name,
const char *message)
{
NihDBusError *err;
nih_assert (name != NULL);
nih_assert (message != NULL);
err = NIH_MUST (nih_new (NULL, NihDBusError));
err->number = NIH_DBUS_ERROR;
err->name = NIH_MUST (nih_strdup (err, name));
err->message = NIH_MUST (nih_strdup (err, message));
nih_error_raise_error ((NihError *)err);
}
/**
* nih_dbus_error_raise_printf:
* @name: D-Bus name for error,
* @format: format string for human-readable message.
*
* Raises an error which includes a D-Bus name so that it may be sent as
* a reply to a method call, the error type is fixed to NIH_DBUS_ERROR.
*
* The human-readable message for the error is parsed according to @format,
* and allocated as a child of the error object so that it is freed.
*
* You may use this in D-Bus handlers and return a negative number to
* automatically have this error returned as the method reply. It is also
* useful when mixing D-Bus and libnih function calls in your own methods
* to return consistent error forms, in which case pass the name and message
* members of the DBusError structure before freeing it.
**/
void
nih_dbus_error_raise_printf (const char *name,
const char *format,
...)
{
NihDBusError *err;
va_list args;
nih_assert (name != NULL);
nih_assert (format != NULL);
err = NIH_MUST (nih_new (NULL, NihDBusError));
err->number = NIH_DBUS_ERROR;
err->name = NIH_MUST (nih_strdup (err, name));
va_start (args, format);
err->message = NIH_MUST (nih_vsprintf (err, format, args));
va_end (args);
nih_error_raise_error ((NihError *)err);
}
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