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Cast ptr to void_p when passing back to freeJsonMem() to avoid "pointer being freed was not allocated" bug

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This commit is contained in:
Robin Hilliard
2015-06-16 10:32:54 +10:00
parent e55c4a7070
commit 8886b15e49
1 changed files with 3 additions and 3 deletions
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6
src/bindings/python/openalpr.py
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@@ -57,7 +57,7 @@ class Alpr():
ptr = self._recognize_file_func(file_path)
json_data = ctypes.cast(ptr, ctypes.c_char_p).value
response_obj = json.loads(json_data)
self._free_json_mem_func(ptr)
self._free_json_mem_func(ctypes.c_void_p(ptr))
return response_obj
@@ -67,7 +67,7 @@ class Alpr():
ptr = self._recognize_array_func(pb, len(byte_array))
json_data = ctypes.cast(ptr, ctypes.c_char_p).value
response_obj = json.loads(json_data)
self._free_json_mem_func(ptr)
self._free_json_mem_func(ctypes.c_void_p(ptr))
return response_obj
@@ -75,7 +75,7 @@ class Alpr():
ptr = self._get_version_func()
version_number = ctypes.cast(ptr, ctypes.c_char_p).value
self._free_json_mem_func(ptr)
self._free_json_mem_func(ctypes.c_void_p(ptr))
return version_number