Asynchronous connection

Important updates:
1. Emscripten port.
2. HTTP request code copied from libicclient & slightly fixed.
3. Cookies, for maintaining authorisation between different async
   handles.

4 files changed, 29 insertions, 23 deletions

diff --git a/rtclient/search.h b/rtclient/search.h
index e0e386a..25b7258 100644
--- a/rtclient/search.h
+++ b/rtclient/search.h
@@ -1,21 +1,15 @@
 #ifndef RTCLIENT_SEARCH_H
 #define RTCLIENT_SEARCH_H
 
-struct rtclient_search_ticket_list {
-	size_t length;
-	struct rtclient_ticket *tickets[];
-};
-
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-	void rtclient_search_ticket(struct rtclient_search_ticket_list **listptr
-			, const char *query);
-	void rtclient_search_ticket_free(struct rtclient_search_ticket_list *list);
+void rtclient_search_ticket(const char *query,
+		void (*callback)(struct rtclient_ticket **));
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif // RTCLIENT_SEARCH_H
+#endif
diff --git a/rtclient/ticket.h b/rtclient/ticket.h
index 9fdd9a0..0600c34 100644
--- a/rtclient/ticket.h
+++ b/rtclient/ticket.h
@@ -56,11 +56,6 @@ struct rtclient_ticket_history {
 	struct rtclient_ticket_history_attachment_list *attachments;
 };
 
-struct rtclient_ticket_history_list {
-	size_t length;
-	struct rtclient_ticket_history *histories[];
-};
-
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -79,12 +74,9 @@ void rtclient_ticket_new(const char *queue,
 		const char *starts,
 		const char *due,
 		const char *text);
-	void rtclient_ticket_history(struct rtclient_ticket_history_list **listptr
-			, unsigned int id, bool long_format);
-	void rtclient_ticket_history_free
-		(struct rtclient_ticket_history *history);
-	void rtclient_ticket_history_list_free
-		(struct rtclient_ticket_history_list *list);
+void rtclient_ticket_history_list(unsigned int id, bool long_format,
+		void (*callback)(struct rtclient_ticket_history **));
+void rtclient_ticket_history_free(struct rtclient_ticket_history *history);
 
 #ifdef __cplusplus
 }
diff --git a/rtclient/typedefs.h b/rtclient/typedefs.h
new file mode 100644
index 0000000..e15b1df
--- /dev/null
+++ b/rtclient/typedefs.h
@@ -0,0 +1,18 @@
+#ifndef RTCLIENT_TYPEDEFS_H
+#define RTCLIENT_TYPEDEFS_H
+
+#include <stddef.h>
+#ifdef __EMSCRIPTEN__
+#include <emscripten/fetch.h>
+typedef emscripten_fetch_t rtclient_response;
+#else
+#include <curl/curl.h>
+typedef struct {
+	void *userData;
+	char *data;
+	size_t numBytes;
+	CURL *curl;
+} rtclient_response;
+#endif
+
+#endif
diff --git a/rtclient/user.h b/rtclient/user.h
index 5f62d17..02b2daa 100644
--- a/rtclient/user.h
+++ b/rtclient/user.h
@@ -1,6 +1,8 @@
 #ifndef RTCLIENT_USER_H
 #define RTCLIENT_USER_H
 
+#include "typedefs.h"
+
 enum rtclient_user_lang {
 	RTCLIENT_USER_LANG_NONE = 0,
 	RTCLIENT_USER_LANG_AR,
@@ -464,9 +466,9 @@ void rtclient_user_new(const char *name,
 		enum rtclient_user_timezone timezone,
 		bool disabled,
 		bool privileged);
-	void rtclient_user_showid(struct rtclient_user **userptr, unsigned int id);
-	void rtclient_user_showname(struct rtclient_user **userptr, const char *name);
-	void rtclient_user_free(struct rtclient_user *user);
+void rtclient_user_showid(unsigned int id, void (*)(struct rtclient_user *));
+void rtclient_user_showname(const char *name, void (*)(struct rtclient_user *));
+void rtclient_user_free(struct rtclient_user *user);
 
 #ifdef __cplusplus
 }