Remove to_hex_cstring method

lib/rex/text/hex.rb

@@ -166,25 +166,6 @@ def self.dehex!(str)
       str.gsub!(regex) { |x| x[2,2].to_i(16).chr }
     end
 
-    #
-    # Converts a string to a comma-separated hex byte sequence suitable for
-    # use in assembly `db` directives.
-    #
-    # @example
-    #   Rex::Text.to_hex_cstring("hi")                  # => "0x68, 0x69, 0x00"
-    #   Rex::Text.to_hex_cstring("")                    # => "0x00"
-    #   Rex::Text.to_hex_cstring("hi", nullbyte: false) # => "0x68, 0x69"
-    #   Rex::Text.to_hex_cstring("", nullbyte: false)   # => ""
-    #
-    # @param str [String] The string to convert
-    # @param nullbyte [Boolean] Whether to append a null terminator (default: true)
-    # @return [String] Comma-separated hex bytes
-    def self.to_hex_cstring(str, nullbyte: true)
-      bytes = str.to_s.bytes
-      bytes.push(0) if nullbyte
-      bytes.map { |byte| '0x%02x' % byte }.join(', ')
-    end
-
     private
 
     #

spec/rex/text/hex_spec.rb

@@ -3,34 +3,6 @@
 require 'timeout'
 
 RSpec.describe Rex::Text do
-  describe ".to_hex_cstring" do
-    it 'should return just a null terminator for an empty string' do
-      expect(described_class.to_hex_cstring("")).to eq("0x00")
-    end
-
-    it 'should return hex bytes with a null terminator for a non-empty string' do
-      expect(described_class.to_hex_cstring("AB")).to eq("0x41, 0x42, 0x00")
-    end
-
-    it 'should handle nil by treating it as an empty string' do
-      expect(described_class.to_hex_cstring(nil)).to eq("0x00")
-    end
-
-    it 'should handle binary data' do
-      expect(described_class.to_hex_cstring("\xff\x00\x01")).to eq("0xff, 0x00, 0x01, 0x00")
-    end
-
-    context 'with nullbyte: false' do
-      it 'should return an empty string for an empty input' do
-        expect(described_class.to_hex_cstring("", nullbyte: false)).to eq("")
-      end
-
-      it 'should return hex bytes without a null terminator' do
-        expect(described_class.to_hex_cstring("AB", nullbyte: false)).to eq("0x41, 0x42")
-      end
-    end
-  end
-
   describe ".hexify" do
     let(:wrap) { 60 }
     it 'should wrap at the specified columns' do