1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2013 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
32 #include "bus-error.h"
34 bool bus_error_is_dirty(sd_bus_error *e) {
38 return e->name || e->message || e->need_free;
41 void sd_bus_error_free(sd_bus_error *e) {
46 free((void*) e->name);
47 free((void*) e->message);
50 e->name = e->message = NULL;
54 int sd_bus_error_set(sd_bus_error *e, const char *name, const char *format, ...) {
61 if (bus_error_is_dirty(e))
72 r = vasprintf(&m, format, ap);
88 int sd_bus_error_copy(sd_bus_error *dest, const sd_bus_error *e) {
93 if (bus_error_is_dirty(dest))
95 if (!sd_bus_error_is_set(e))
103 y = strdup(e->message);
112 dest->need_free = true;
116 void sd_bus_error_set_const(sd_bus_error *e, const char *name, const char *message) {
119 if (bus_error_is_dirty(e))
123 e->message = message;
124 e->need_free = false;
127 int sd_bus_error_is_set(const sd_bus_error *e) {
134 int sd_bus_error_has_name(const sd_bus_error *e, const char *name) {
138 return streq_ptr(e->name, name);
141 int bus_error_to_errno(const sd_bus_error* e) {
143 /* Better replce this with a gperf table */
151 if (streq(e->name, "org.freedesktop.DBus.Error.NoMemory"))
154 if (streq(e->name, "org.freedesktop.DBus.Error.AuthFailed") ||
155 streq(e->name, "org.freedesktop.DBus.Error.AccessDenied"))
158 if (streq(e->name, "org.freedesktop.DBus.Error.InvalidArgs"))
161 if (streq(e->name, "org.freedesktop.DBus.Error.UnixProcessIdUnknown"))
164 if (streq(e->name, "org.freedesktop.DBus.Error.FileNotFound"))
167 if (streq(e->name, "org.freedesktop.DBus.Error.FileExists"))
170 if (streq(e->name, "org.freedesktop.DBus.Error.Timeout"))
173 if (streq(e->name, "org.freedesktop.DBus.Error.IOError"))
176 if (streq(e->name, "org.freedesktop.DBus.Error.Disconnected"))
179 if (streq(e->name, "org.freedesktop.DBus.Error.NotSupported"))
185 int bus_error_from_errno(sd_bus_error *e, int error) {
192 sd_bus_error_set_const(e, "org.freedesktop.DBus.Error.NoMemory", "Out of memory");
197 sd_bus_error_set_const(e, "org.freedesktop.DBus.Error.AccessDenied", "Access denied");
201 sd_bus_error_set_const(e, "org.freedesktop.DBus.Error.InvalidArgs", "Invalid argument");
205 sd_bus_error_set_const(e, "org.freedesktop.DBus.Error.UnixProcessIdUnknown", "No such process");
209 sd_bus_error_set_const(e, "org.freedesktop.DBus.Error.FileNotFound", "File not found");
213 sd_bus_error_set_const(e, "org.freedesktop.DBus.Error.FileExists", "File exists");
218 sd_bus_error_set_const(e, "org.freedesktop.DBus.Error.Timeout", "Timed out");
222 sd_bus_error_set_const(e, "org.freedesktop.DBus.Error.IOError", "Input/output error");
228 sd_bus_error_set_const(e, "org.freedesktop.DBus.Error.Disconnected", "Disconnected");
232 sd_bus_error_set_const(e, "org.freedesktop.DBus.Error.NotSupported", "Not supported");
236 sd_bus_error_set_const(e, "org.freedesktop.DBus.Error.Failed", "Operation failed");
240 const char *bus_error_message(const sd_bus_error *e, int error) {
244 return strerror(error);