c_wrapper_generator: Refactored _write_epilogue()

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>

scripts/mbedtls_framework/c_wrapper_generator.py

@@ -94,18 +94,18 @@ class Base:
     def _write_epilogue(self, out: typing_util.Writable, header: bool) -> None:
         """Write the epilogue of a C file.
         """
+        epilogue = []
         if header:
-            out.write("""
-#ifdef __cplusplus
-}}
-#endif
-
-#endif /* {guard} */
-"""
-                      .format(guard=self.header_guard))
-        out.write("""
-/* End of automatically generated file. */
-""")
+            epilogue += ['',
+                         '#ifdef __cplusplus',
+                         '}',
+                         '#endif',
+                         '',
+                         '#endif /* {} */'.format(self.header_guard),
+                         '']
+        epilogue.append('/* End of automatically generated file. */')
+        epilogue.append('')
+        out.write("\n".join(epilogue))
 
     def _wrapper_function_name(self, original_name: str) -> str:
         """The name of the wrapper function.

scripts/mbedtls_framework/code_wrapper/psa_wrapper.py

@@ -205,7 +205,7 @@ class PSAWrapper(c_wrapper_generator.Base):
 
     def _write_epilogue(self, out: typing_util.Writable, header: bool) -> None:
         if self._CPP_GUARDS:
-            out.write(dedent(self.__EPILOGUE__).format(self._CPP_GUARDS))
+            out.write("\n#endif /* {} */\n".format(self._CPP_GUARDS))
         super()._write_epilogue(out, header)
 
 class PSALoggingWrapper(PSAWrapper, c_wrapper_generator.Logging):