From 541227653ff9937ddb07da7562030afcfa0d9fd7 Mon Sep 17 00:00:00 2001
From: Luca Guerra <luca@guerra.sh>
Date: Mon, 17 Jun 2024 15:20:17 +0000
Subject: [PATCH] cleanup(libsinsp): remove unreachable code in utils.cpp

Signed-off-by: Luca Guerra <luca@guerra.sh>
---
 userspace/libsinsp/utils.cpp |  15 -----
 userspace/libsinsp/utils.h   | 106 -----------------------------------
 2 files changed, 121 deletions(-)

diff --git a/userspace/libsinsp/utils.cpp b/userspace/libsinsp/utils.cpp
index b448160c6a..b14c8209b8 100644
--- a/userspace/libsinsp/utils.cpp
+++ b/userspace/libsinsp/utils.cpp
@@ -1786,21 +1786,6 @@ bool sinsp_numparser::tryparsed32_fast(const char* str, uint32_t strlen, int32_t
 	return true;
 }
 
-///////////////////////////////////////////////////////////////////////////////
-// JSON helpers
-///////////////////////////////////////////////////////////////////////////////
-
-std::string get_json_string(const Json::Value& obj, const std::string& name)
-{
-	std::string ret;
-	const Json::Value& json_val = obj[name];
-	if(!json_val.isNull() && json_val.isConvertibleTo(Json::stringValue))
-	{
-		ret = json_val.asString();
-	}
-	return ret;
-}
-
 ///////////////////////////////////////////////////////////////////////////////
 // socket helpers
 ///////////////////////////////////////////////////////////////////////////////
diff --git a/userspace/libsinsp/utils.h b/userspace/libsinsp/utils.h
index 0285a41953..54ed2e73cd 100644
--- a/userspace/libsinsp/utils.h
+++ b/userspace/libsinsp/utils.h
@@ -318,112 +318,6 @@ class sinsp_numparser
 	static bool tryparsed32_fast(const char* str, uint32_t strlen, int32_t* res);
 };
 
-///////////////////////////////////////////////////////////////////////////////
-// JSON helpers
-///////////////////////////////////////////////////////////////////////////////
-namespace Json
-{
-	class Value;
-}
-
-std::string get_json_string(const Json::Value& obj, const std::string& name);
-inline std::string json_as_string(const Json::Value& json)
-{
-	return Json::FastWriter().write(json);
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// A simple class to manage pre-allocated objects in a LIFO
-// fashion and make sure all of them are deleted upon destruction.
-///////////////////////////////////////////////////////////////////////////////
-template<typename OBJ>
-class simple_lifo_queue
-{
-public:
-	simple_lifo_queue(uint32_t size)
-	{
-		uint32_t j;
-		for(j = 0; j < size; j++)
-		{
-			OBJ* newentry = new OBJ;
-			m_full_list.push_back(newentry);
-			m_avail_list.push_back(newentry);
-		}
-	}
-	~simple_lifo_queue()
-	{
-		while(!m_avail_list.empty())
-		{
-			OBJ* head = m_avail_list.front();
-			delete head;
-			m_avail_list.pop_front();
-		}
-	}
-
-	void push(OBJ* newentry)
-	{
-		m_avail_list.push_front(newentry);
-	}
-
-	OBJ* pop()
-	{
-		if(m_avail_list.empty())
-		{
-			return NULL;
-		}
-		OBJ* head = m_avail_list.front();
-		m_avail_list.pop_front();
-		return head;
-	}
-
-	bool empty() const
-	{
-		return m_avail_list.empty();
-	}
-
-private:
-	std::list<OBJ*> m_avail_list;
-	std::list<OBJ*> m_full_list;
-};
-
-///////////////////////////////////////////////////////////////////////////////
-// Case-insensitive string find.
-///////////////////////////////////////////////////////////////////////////////
-template<typename charT>
-struct ci_equal
-{
-	ci_equal(const std::locale& loc) : m_loc(loc) {}
-	bool operator()(charT ch1, charT ch2)
-	{
-		return std::toupper(ch1, m_loc) == std::toupper(ch2, m_loc);
-	}
-private:
-	const std::locale& m_loc;
-};
-
-template<typename T>
-int ci_find_substr(const T& str1, const T& str2, const std::locale& loc = std::locale())
-{
-	auto it = std::search(str1.begin(), str1.end(),
-		str2.begin(), str2.end(), ci_equal<typename T::value_type>(loc) );
-	if(it != str1.end()) { return it - str1.begin(); }
-	return -1;
-}
-
-struct ci_compare
-{
-	// less-than, for use in STL containers
-	bool operator() (const std::string& a, const std::string& b) const
-	{
-		return strcasecmp(a.c_str(), b.c_str()) < 0;
-	}
-
-	static bool is_equal(const std::string& a, const std::string& b)
-	{
-		return strcasecmp(a.c_str(), b.c_str()) == 0;
-	}
-};
-
 ///////////////////////////////////////////////////////////////////////////////
 // socket helpers
 ///////////////////////////////////////////////////////////////////////////////