+#define BUS_ERROR_OOM SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_NO_MEMORY, "Out of memory")
+#define BUS_ERROR_FAILED SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_FAILED, "Operation failed")
+
+static int bus_error_name_to_errno(const char *name) {
+ const char *p;
+ int r;
+
+ if (!name)
+ return EINVAL;
+
+ p = startswith(name, "System.Error.");
+ if (p) {
+ r = errno_from_name(p);
+ if (r <= 0)
+ return EIO;
+
+ return r;
+ }
+
+ /* Better replace this with a gperf table */
+
+ if (streq(name, SD_BUS_ERROR_NO_MEMORY))
+ return ENOMEM;
+
+ if (streq(name, SD_BUS_ERROR_SERVICE_UNKNOWN))
+ return EHOSTUNREACH;
+
+ if (streq(name, SD_BUS_ERROR_NAME_HAS_NO_OWNER))
+ return ENXIO;
+
+ if (streq(name, SD_BUS_ERROR_NO_REPLY) ||
+ streq(name, SD_BUS_ERROR_TIMEOUT) ||
+ streq(name, "org.freedesktop.DBus.Error.TimedOut"))
+ return ETIMEDOUT;
+
+ if (streq(name, SD_BUS_ERROR_IO_ERROR))
+ return EIO;
+
+ if (streq(name, SD_BUS_ERROR_BAD_ADDRESS))
+ return EADDRNOTAVAIL;
+
+ if (streq(name, SD_BUS_ERROR_NOT_SUPPORTED))
+ return ENOTSUP;
+
+ if (streq(name, SD_BUS_ERROR_LIMITS_EXCEEDED))
+ return ENOBUFS;
+
+ if (streq(name, SD_BUS_ERROR_ACCESS_DENIED) ||
+ streq(name, SD_BUS_ERROR_AUTH_FAILED))
+ return EACCES;
+
+ if (streq(name, SD_BUS_ERROR_NO_SERVER))
+ return EHOSTDOWN;
+
+ if (streq(name, SD_BUS_ERROR_NO_NETWORK))
+ return ENONET;
+
+ if (streq(name, SD_BUS_ERROR_ADDRESS_IN_USE))
+ return EADDRINUSE;
+
+ if (streq(name, SD_BUS_ERROR_DISCONNECTED))
+ return ECONNRESET;
+
+ if (streq(name, SD_BUS_ERROR_INVALID_ARGS) ||
+ streq(name, SD_BUS_ERROR_INVALID_SIGNATURE) ||
+ streq(name, "org.freedesktop.DBus.Error.MatchRuleInvalid") ||
+ streq(name, "org.freedesktop.DBus.Error.InvalidFileContent"))
+ return EINVAL;
+
+ if (streq(name, SD_BUS_ERROR_FILE_NOT_FOUND) ||
+ streq(name, "org.freedesktop.DBus.Error.MatchRuleNotFound"))
+ return ENOENT;
+
+ if (streq(name, SD_BUS_ERROR_FILE_EXISTS))
+ return EEXIST;
+
+ if (streq(name, SD_BUS_ERROR_UNKNOWN_METHOD) ||
+ streq(name, SD_BUS_ERROR_UNKNOWN_OBJECT) ||
+ streq(name, SD_BUS_ERROR_UNKNOWN_INTERFACE) ||
+ streq(name, SD_BUS_ERROR_UNKNOWN_PROPERTY))
+ return EBADR;
+
+ if (streq(name, SD_BUS_ERROR_PROPERTY_READ_ONLY))
+ return EROFS;
+
+ if (streq(name, SD_BUS_ERROR_UNIX_PROCESS_ID_UNKNOWN) ||
+ streq(name, "org.freedesktop.DBus.Error.SELinuxSecurityContextUnknown"))
+ return ESRCH;
+
+ if (streq(name, SD_BUS_ERROR_INCONSISTENT_MESSAGE))
+ return EBADMSG;
+
+ if (streq(name, "org.freedesktop.DBus.Error.ObjectPathInUse"))
+ return EBUSY;
+
+ return EIO;
+}
+
+static sd_bus_error errno_to_bus_error_const(int error) {
+
+ if (error < 0)
+ error = -error;
+
+ switch (error) {
+
+ case ENOMEM:
+ return BUS_ERROR_OOM;
+
+ case EPERM:
+ case EACCES:
+ return SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_ACCESS_DENIED, "Access denied");
+
+ case EINVAL:
+ return SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_INVALID_ARGS, "Invalid argument");
+
+ case ESRCH:
+ return SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_UNIX_PROCESS_ID_UNKNOWN, "No such process");
+
+ case ENOENT:
+ return SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_FILE_NOT_FOUND, "File not found");
+
+ case EEXIST:
+ return SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_FILE_EXISTS, "File exists");
+
+ case ETIMEDOUT:
+ case ETIME:
+ return SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_TIMEOUT, "Timed out");
+
+ case EIO:
+ return SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_IO_ERROR, "Input/output error");
+
+ case ENETRESET:
+ case ECONNABORTED:
+ case ECONNRESET:
+ return SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_DISCONNECTED, "Disconnected");
+
+ case ENOTSUP:
+ return SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_NOT_SUPPORTED, "Not supported");
+
+ case EADDRNOTAVAIL:
+ return SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_BAD_ADDRESS, "Address not available");
+
+ case ENOBUFS:
+ return SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_LIMITS_EXCEEDED, "Limits exceeded");
+
+ case EADDRINUSE:
+ return SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_ADDRESS_IN_USE, "Address in use");
+
+ case EBADMSG:
+ return SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_INCONSISTENT_MESSAGE, "Inconsistent message");
+ }
+
+ return SD_BUS_ERROR_NULL;
+}
+
+static int errno_to_bus_error_name_new(int error, char **ret) {
+ const char *name;
+ char *n;
+
+ if (error < 0)
+ error = -error;
+
+ name = errno_to_name(error);
+ if (!name)
+ return 0;
+
+ n = strappend("System.Error.", name);
+ if (!n)
+ return -ENOMEM;
+
+ *ret = n;
+ return 1;
+}
+