better json generator, various fixups

src/json_encode.h

@@ -0,0 +1,27 @@
+/* ympd
+   (c) 2013-2014 Andrew Karpow <andy@ndyk.de>
+   This project's homepage is: http://www.ympd.org
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   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.,
+   Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+   
+#ifndef __JSON_ENCODE_H__
+#define __JSON_ENCODE_H__
+
+int json_emit_int(char *buf, int buf_len, long int value);
+int json_emit_double(char *buf, int buf_len, double value);
+int json_emit_quoted_str(char *buf, int buf_len, const char *str);
+int json_emit_raw_str(char *buf, int buf_len, const char *str);
+
+#endif