From bce5d9579c045482bb54f51564a3ce3277c3fc6f Mon Sep 17 00:00:00 2001
From: Denis Kenzior <denkenz@gmail.com>
Date: Wed, 22 Apr 2015 17:57:53 -0500
Subject: [PATCH] gatchat: Introduce g_at_chat_get_userdata

---
 gatchat/gatchat.c | 31 +++++++++++++++++++++++++++++++
 gatchat/gatchat.h |  2 ++
 2 files changed, 33 insertions(+)

diff --git a/gatchat/gatchat.c b/gatchat/gatchat.c
index aaf6e9b1..33bfc212 100644
--- a/gatchat/gatchat.c
+++ b/gatchat/gatchat.c
@@ -1135,6 +1135,29 @@ static gboolean at_chat_cancel_group(struct at_chat *chat, guint group)
 	return TRUE;
 }
 
+static gpointer at_chat_get_userdata(struct at_chat *chat,
+						guint group, guint id)
+{
+	GList *l;
+	struct at_command *c;
+
+	if (chat->command_queue == NULL)
+		return NULL;
+
+	l = g_queue_find_custom(chat->command_queue, GUINT_TO_POINTER(id),
+				at_command_compare_by_id);
+
+	if (l == NULL)
+		return NULL;
+
+	c = l->data;
+
+	if (c->gid != group)
+		return NULL;
+
+	return c->user_data;
+}
+
 static guint at_chat_register(struct at_chat *chat, guint group,
 				const char *prefix, GAtNotifyFunc func,
 				gboolean expect_pdu, gpointer user_data,
@@ -1540,6 +1563,14 @@ gboolean g_at_chat_cancel_all(GAtChat *chat)
 	return at_chat_cancel_group(chat->parent, chat->group);
 }
 
+gpointer g_at_chat_get_userdata(GAtChat *chat, guint id)
+{
+	if (chat == NULL)
+		return NULL;
+
+	return at_chat_get_userdata(chat->parent, chat->group, id);
+}
+
 guint g_at_chat_register(GAtChat *chat, const char *prefix,
 				GAtNotifyFunc func, gboolean expect_pdu,
 				gpointer user_data,
diff --git a/gatchat/gatchat.h b/gatchat/gatchat.h
index 367581ee..7290b34f 100644
--- a/gatchat/gatchat.h
+++ b/gatchat/gatchat.h
@@ -150,6 +150,8 @@ guint g_at_chat_send_and_expect_short_prompt(GAtChat *chat, const char *cmd,
 gboolean g_at_chat_cancel(GAtChat *chat, guint id);
 gboolean g_at_chat_cancel_all(GAtChat *chat);
 
+gpointer g_at_chat_get_userdata(GAtChat *chat, guint id);
+
 guint g_at_chat_register(GAtChat *chat, const char *prefix,
 				GAtNotifyFunc func, gboolean expect_pdu,
 				gpointer user_data, GDestroyNotify notify);