From ceb98289103a833100457d79a7007de9c39f2d1c Mon Sep 17 00:00:00 2001
From: Stanislav Ershov <digital.stream.of.mind@gmail.com>
Date: Mon, 12 Mar 2018 13:51:47 +0300
Subject: [PATCH] Fix some warnings against size_t to int conversion

---
 Telegram/SourceFiles/base/observer.h             | 12 ++++++------
 Telegram/SourceFiles/base/runtime_composer.h     |  4 ++--
 Telegram/SourceFiles/codegen/emoji/generator.cpp |  6 +++---
 Telegram/SourceFiles/mtproto/auth_key.h          |  2 +-
 4 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/Telegram/SourceFiles/base/observer.h b/Telegram/SourceFiles/base/observer.h
index 6b1797da4..2ddd09d9c 100644
--- a/Telegram/SourceFiles/base/observer.h
+++ b/Telegram/SourceFiles/base/observer.h
@@ -415,29 +415,29 @@ private:
 class Subscriber {
 protected:
 	template <typename EventType, typename Handler, typename Lambda>
-	int subscribe(base::Observable<EventType, Handler> &observable, Lambda &&handler) {
+	size_t subscribe(base::Observable<EventType, Handler> &observable, Lambda &&handler) {
 		_subscriptions.push_back(observable.add_subscription(std::forward<Lambda>(handler)));
 		return _subscriptions.size();
 	}
 
 	template <typename EventType, typename Handler, typename Lambda>
-	int subscribe(base::Observable<EventType, Handler> *observable, Lambda &&handler) {
+	size_t subscribe(base::Observable<EventType, Handler> *observable, Lambda &&handler) {
 		return subscribe(*observable, std::forward<Lambda>(handler));
 	}
 
 	template <typename Type, typename Lambda>
-	int subscribe(const base::Variable<Type> &variable, Lambda &&handler) {
+	size_t subscribe(const base::Variable<Type> &variable, Lambda &&handler) {
 		return subscribe(variable.changed(), std::forward<Lambda>(handler));
 	}
 
 	template <typename Type, typename Lambda>
-	int subscribe(const base::Variable<Type> *variable, Lambda &&handler) {
+	size_t subscribe(const base::Variable<Type> *variable, Lambda &&handler) {
 		return subscribe(variable->changed(), std::forward<Lambda>(handler));
 	}
 
-	void unsubscribe(int index) {
+	void unsubscribe(size_t index) {
 		if (!index) return;
-		auto count = static_cast<int>(_subscriptions.size());
+		auto count = _subscriptions.size();
 		Assert(index > 0 && index <= count);
 		_subscriptions[index - 1].destroy();
 		if (index == count) {
diff --git a/Telegram/SourceFiles/base/runtime_composer.h b/Telegram/SourceFiles/base/runtime_composer.h
index 492d67753..4afd18608 100644
--- a/Telegram/SourceFiles/base/runtime_composer.h
+++ b/Telegram/SourceFiles/base/runtime_composer.h
@@ -241,10 +241,10 @@ private:
 		return &ZeroRuntimeComposerMetadata;
 	}
 
-	void *_dataptrunsafe(int skip) const {
+	void *_dataptrunsafe(size_t skip) const {
 		return (char*)_data + skip;
 	}
-	void *_dataptr(int skip) const {
+	void *_dataptr(size_t skip) const {
 		return (skip >= sizeof(_meta())) ? _dataptrunsafe(skip) : nullptr;
 	}
 	const RuntimeComposerMetadata *&_meta() const {
diff --git a/Telegram/SourceFiles/codegen/emoji/generator.cpp b/Telegram/SourceFiles/codegen/emoji/generator.cpp
index c0fbbacba..8ad15093a 100644
--- a/Telegram/SourceFiles/codegen/emoji/generator.cpp
+++ b/Telegram/SourceFiles/codegen/emoji/generator.cpp
@@ -339,8 +339,8 @@ std::vector<One> Items;\n\
 	source_->popNamespace().newline().pushNamespace("internal");
 	source_->stream() << "\
 \n\
-EmojiPtr ByIndex(int index) {\n\
-	return (index >= 0 && index < Items.size()) ? &Items[index] : nullptr;\n\
+EmojiPtr ByIndex(size_t index) {\n\
+	return index < Items.size() ? &Items[index] : nullptr;\n\
 }\n\
 \n\
 EmojiPtr FindReplace(const QChar *start, const QChar *end, int *outLength) {\n\
@@ -384,7 +384,7 @@ bool Generator::writeHeader() {
 \n\
 void Init();\n\
 \n\
-EmojiPtr ByIndex(int index);\n\
+EmojiPtr ByIndex(size_t index);\n\
 \n\
 EmojiPtr Find(const QChar *ch, const QChar *end, int *outLength = nullptr);\n\
 \n\
diff --git a/Telegram/SourceFiles/mtproto/auth_key.h b/Telegram/SourceFiles/mtproto/auth_key.h
index 414796029..11e68c1ad 100644
--- a/Telegram/SourceFiles/mtproto/auth_key.h
+++ b/Telegram/SourceFiles/mtproto/auth_key.h
@@ -66,7 +66,7 @@ public:
 	}
 
 	void write(QDataStream &to) const {
-		to.writeRawData(reinterpret_cast<const char*>(_key.data()), _key.size());
+		to.writeRawData(reinterpret_cast<const char*>(_key.data()), static_cast<int>(_key.size()));
 	}
 
 	bool equals(const std::shared_ptr<AuthKey> &other) const {