Update c.lua

lua/Polydev/c.lua

@@ -233,20 +233,19 @@ public class %s {
 end
 
 function M.build()
-  -- Get the current file's directory
   local current_dir = vim.fn.expand("%:p:h")
-  -- Try to find the root of the project by matching the path
   local project_root = current_dir:match("(.*)/src")
+
   if not project_root then
     print("Error: src directory not found.")
     return
   end
 
-  -- Define the build directory
   local build_dir = project_root .. "/build"
-  -- List files in the build directory and find the .txt file
   local files = vim.fn.glob(build_dir .. "/*.txt", true, true)
   local project_name = nil
+  
+  -- Look for the project name by checking for files in the build directory
   for _, file in ipairs(files) do
     if vim.fn.match(file, "CMakeCache.txt") == -1 then
       project_name = vim.fn.fnamemodify(file, ":r")
@@ -254,16 +253,19 @@ function M.build()
     end
   end
 
-  -- Extract the project name from the .txt file's name (without the .txt extension)
+  if not project_name then
-  local project_name = vim.fn.fnamemodify(files[1], ":r")  -- :r removes the file extension
+    print("Error: No valid project name file found in the build directory.")
+    return
+  end
 
   -- Build command
   local compile_command = "cd " .. build_dir .. " && cmake .. && make && chmod +x " .. project_name
+
   -- Open floating terminal to execute the build command
   local term_buf = M.open_float_terminal(compile_command)
   vim.api.nvim_buf_set_option(term_buf, "modifiable", true)
 
-  -- Run compile command and capture output
+  -- Run the compile command and capture output
   local compile_status = vim.fn.system(compile_command)
 
   -- Set message based on compile result