From 4260fd62272dbd0de84f51bedbd5dd4a088afb1a Mon Sep 17 00:00:00 2001
From: brain <brain@e03df62e-2008-0410-955e-edbf42e46eb7>
Date: Sat, 8 Jul 2006 14:20:25 +0000
Subject: Add channelmode +l

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@4163 e03df62e-2008-0410-955e-edbf42e46eb7
---
 include/modes/cmode_l.h |  8 +++++++
 src/mode.cpp            |  5 +++-
 src/modes/cmode_l.cpp   | 64 +++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 76 insertions(+), 1 deletion(-)
 create mode 100644 include/modes/cmode_l.h
 create mode 100644 src/modes/cmode_l.cpp

diff --git a/include/modes/cmode_l.h b/include/modes/cmode_l.h
new file mode 100644
index 000000000..d13bd0459
--- /dev/null
+++ b/include/modes/cmode_l.h
@@ -0,0 +1,8 @@
+#include "mode.h"
+
+class ModeChannelLimit : public ModeHandler
+{
+ public:
+	ModeChannelLimit();
+	ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding);
+};
diff --git a/src/mode.cpp b/src/mode.cpp
index 2a875c06d..e11103fee 100644
--- a/src/mode.cpp
+++ b/src/mode.cpp
@@ -46,6 +46,8 @@ using namespace std;
 #include "modes/cmode_i.h"
 /* +k (keyed channel) */
 #include "modes/cmode_k.h"
+/* +l (channel user limit) */
+#include "modes/cmode_l.h"
 
 extern int MODCOUNT;
 extern std::vector<Module*> modules;
@@ -646,6 +648,7 @@ ModeParser::ModeParser()
 	this->AddMode(new ModeChannelNoExternal, 'n');
 	this->AddMode(new ModeChannelInviteOnly, 'i');
 	this->AddMode(new ModeChannelKey, 'k');
-	/* TODO: Modes +l, +o, +v, +h */
+	this->AddMode(new ModeChannelLimit, 'l');
+	/* TODO: Modes +o, +v, +h */
 }
 
diff --git a/src/modes/cmode_l.cpp b/src/modes/cmode_l.cpp
new file mode 100644
index 000000000..185cbdedb
--- /dev/null
+++ b/src/modes/cmode_l.cpp
@@ -0,0 +1,64 @@
+#include "inspircd.h"
+#include "mode.h"
+#include "channels.h"
+#include "users.h"
+#include "modes/cmode_l.h"
+
+ModeChannelLimit::ModeChannelLimit() : ModeHandler('l', 1, 0, false, MODETYPE_CHANNEL, false)
+{
+}
+
+ModeAction ModeChannelLimit::OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
+{
+	if (adding)
+	{
+		/* Setting a new limit, sanity check */
+		long limit = atoi(parameter.c_str());
+
+		/* Wrap low values at 32768 */
+		if (limit < 0)
+			limit = 0x7FFF;
+
+		/* If the new limit is the same as the old limit,
+		 * and the old limit isnt 0, disallow */
+		if ((limit == channel->limit) && (channel->limit > 0))
+		{
+			parameter = "";
+			return MODEACTION_DENY;
+		}
+
+		/* They must have specified an invalid number.
+		 * Dont allow +l 0.
+		 */
+		if (!limit)
+		{
+			parameter = "";
+			return MODEACTION_DENY;
+		}
+
+		/* Set new limit */
+		channel->limit = limit;
+		channel->modes[CM_LIMIT] = 1;
+
+		return MODEACTION_ALLOW;
+	}
+	else
+	{
+		/* Check if theres a limit here to remove.
+		 * If there isnt, dont allow the -l
+		 */
+		if (!channel->limit)
+		{
+			parameter = "";
+			return MODEACTION_DENY;
+		}
+
+		/* Removing old limit, no checks here */
+		channel->limit = 0;
+		channel->modes[CM_LIMIT] = 0;
+
+		return MODEACTION_ALLOW;
+	}
+
+	return MODEACTION_DENY;
+}
-- 
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