moved "enum mpd_error" to error.h

The new public header file "error.h" should provide everything about
error handling.

Makefile.am

@@ -9,6 +9,7 @@ mpdinclude_HEADERS = \
 	include/mpd/connection.h \
 	include/mpd/directory.h \
 	include/mpd/entity.h \
+	include/mpd/error.h \
 	include/mpd/idle.h \
 	include/mpd/protocol.h \
 	include/mpd/status.h \

include/mpd/connection.h

@@ -34,45 +34,11 @@
 #define MPD_CONNECTION_H
 
 #include <mpd/protocol.h>
+#include <mpd/error.h>
 #include <mpd/return_element.h>
 
 #include <stdlib.h>
 
-enum mpd_error {
-	/** no error */
-	MPD_ERROR_SUCCESS = 0,
-
-	/** timeout trying to talk to mpd */
-	MPD_ERROR_TIMEOUT = 10,
-
-	/** system error */
-	MPD_ERROR_SYSTEM,
-
-	/** unknown host */
-	MPD_ERROR_UNKHOST,
-
-	/** problems connecting to port on host */
-	MPD_ERROR_CONNPORT,
-
-	/** mpd not running on port at host */
-	MPD_ERROR_NOTMPD,
-
-	/** no response on attempting to connect */
-	MPD_ERROR_NORESPONSE,
-
-	/** error sending command */
-	MPD_ERROR_SENDING,
-
-	/** connection closed by mpd */
-	MPD_ERROR_CONNCLOSED,
-
-	/** ACK returned! */
-	MPD_ERROR_ACK,
-
-	/** Buffer was overrun! */
-	MPD_ERROR_BUFFEROVERRUN,
-};
-
 /* mpd_Connection
  * holds info about connection to mpd
  * use error, and errorStr to detect errors

include/mpd/error.h

@@ -0,0 +1,67 @@
+/* libmpdclient
+   (c) 2003-2008 The Music Player Daemon Project
+   This project's homepage is: http://www.musicpd.org
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions
+   are met:
+
+   - Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+
+   - Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+   A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef MPD_ERROR_H
+#define MPD_ERROR_H
+
+enum mpd_error {
+	/** no error */
+	MPD_ERROR_SUCCESS = 0,
+
+	/** timeout trying to talk to mpd */
+	MPD_ERROR_TIMEOUT = 10,
+
+	/** system error */
+	MPD_ERROR_SYSTEM,
+
+	/** unknown host */
+	MPD_ERROR_UNKHOST,
+
+	/** problems connecting to port on host */
+	MPD_ERROR_CONNPORT,
+
+	/** mpd not running on port at host */
+	MPD_ERROR_NOTMPD,
+
+	/** no response on attempting to connect */
+	MPD_ERROR_NORESPONSE,
+
+	/** error sending command */
+	MPD_ERROR_SENDING,
+
+	/** connection closed by mpd */
+	MPD_ERROR_CONNCLOSED,
+
+	/** ACK returned! */
+	MPD_ERROR_ACK,
+
+	/** Buffer was overrun! */
+	MPD_ERROR_BUFFEROVERRUN,
+};
+
+#endif