fix: fix blank line cleanup not working on win platform

Author: FASTSHIFT

ghidra_common.py

@@ -315,6 +315,9 @@ def clean_decompiled_code(code):
     if not code:
         return code
 
+    # Normalize line endings (Windows CRLF -> LF)
+    code = code.replace("\r\n", "\n").replace("\r", "\n")
+
     lines = code.split("\n")
     cleaned_lines = []
     prev_blank = False

tests/test_libsurgeon.py

@@ -1619,3 +1619,26 @@ def test_nested_braces(self):
         cleaned = clean_decompiled_code(code)
         # Should remove all internal blank lines
         assert "\n\n" not in cleaned.split("{", 1)[1].rsplit("}", 1)[0]
+
+
+    def test_windows_line_endings(self):
+        """Test handling of Windows CRLF line endings"""
+        from ghidra_common import clean_decompiled_code
+
+        # Simulate Windows CRLF output from Ghidra
+        code = "void TestFunc(void)\r\n\r\n{\r\n\r\n  int x;\r\n\r\n  return;\r\n\r\n}\r\n"
+        cleaned = clean_decompiled_code(code)
+        
+        # Should not have any \r characters
+        assert "\r" not in cleaned
+        
+        # Should not have blank lines inside function
+        lines = cleaned.split('\n')
+        inside_braces = False
+        for line in lines:
+            if '{' in line:
+                inside_braces = True
+            if '}' in line:
+                inside_braces = False
+            if inside_braces and not line.strip():
+                assert False, "Found blank line inside function body"