|  | @@ -23,35 +23,36 @@ os.chdir(os.path.join(os.path.dirname(sys.argv[0]), '../../..'))
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				|  |  |  
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				|  |  |  # map of banned function signature to whitelist
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				|  |  |  BANNED_EXCEPT = {
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				|  |  | -    'grpc_resource_quota_ref(': ['src/core/lib/iomgr/resource_quota.c'],
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				|  |  | -    'grpc_resource_quota_unref(': ['src/core/lib/iomgr/resource_quota.c'],
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				|  |  | -    'grpc_slice_buffer_destroy(': ['src/core/lib/slice/slice_buffer.c'],
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				|  |  | -    'grpc_slice_buffer_reset_and_unref(': ['src/core/lib/slice/slice_buffer.c'],
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				|  |  | -    'grpc_slice_ref(': ['src/core/lib/slice/slice.c'],
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				|  |  | -    'grpc_slice_unref(': ['src/core/lib/slice/slice.c'],
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				|  |  | -    'grpc_error_create(': ['src/core/lib/iomgr/error.c'],
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				|  |  | -    'grpc_error_ref(': ['src/core/lib/iomgr/error.c'],
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				|  |  | -    'grpc_error_unref(': ['src/core/lib/iomgr/error.c'],
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				|  |  | -    'grpc_os_error(': ['src/core/lib/iomgr/error.c'],
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				|  |  | -    'grpc_wsa_error(': ['src/core/lib/iomgr/error.c'],
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				|  |  | -    'grpc_log_if_error(': ['src/core/lib/iomgr/error.c'],
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				|  |  | -    'grpc_slice_malloc(': ['src/core/lib/slice/slice.c'],
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				|  |  | -    'grpc_closure_create(': ['src/core/lib/iomgr/closure.c'],
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				|  |  | -    'grpc_closure_init(': ['src/core/lib/iomgr/closure.c'],
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				|  |  | -    'grpc_closure_sched(': ['src/core/lib/iomgr/closure.c'],
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				|  |  | -    'grpc_closure_run(': ['src/core/lib/iomgr/closure.c'],
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				|  |  | -    'grpc_closure_list_sched(': ['src/core/lib/iomgr/closure.c'],
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				|  |  | +    'grpc_resource_quota_ref(': ['src/core/lib/iomgr/resource_quota.cc'],
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				|  |  | +    'grpc_resource_quota_unref(': ['src/core/lib/iomgr/resource_quota.cc'],
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				|  |  | +    'grpc_slice_buffer_destroy(': ['src/core/lib/slice/slice_buffer.cc'],
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				|  |  | +    'grpc_slice_buffer_reset_and_unref(': ['src/core/lib/slice/slice_buffer.cc'],
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				|  |  | +    'grpc_slice_ref(': ['src/core/lib/slice/slice.cc'],
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				|  |  | +    'grpc_slice_unref(': ['src/core/lib/slice/slice.cc'],
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				|  |  | +    'grpc_error_create(': ['src/core/lib/iomgr/error.cc'],
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				|  |  | +    'grpc_error_ref(': ['src/core/lib/iomgr/error.cc'],
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				|  |  | +    'grpc_error_unref(': ['src/core/lib/iomgr/error.cc'],
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				|  |  | +    'grpc_os_error(': ['src/core/lib/iomgr/error.cc'],
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				|  |  | +    'grpc_wsa_error(': ['src/core/lib/iomgr/error.cc'],
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				|  |  | +    'grpc_log_if_error(': ['src/core/lib/iomgr/error.cc'],
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				|  |  | +    'grpc_slice_malloc(': ['src/core/lib/slice/slice.cc'],
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				|  |  | +    'grpc_closure_create(': ['src/core/lib/iomgr/closure.cc'],
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				|  |  | +    'grpc_closure_init(': ['src/core/lib/iomgr/closure.cc'],
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				|  |  | +    'grpc_closure_sched(': ['src/core/lib/iomgr/closure.cc'],
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				|  |  | +    'grpc_closure_run(': ['src/core/lib/iomgr/closure.cc'],
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				|  |  | +    'grpc_closure_list_sched(': ['src/core/lib/iomgr/closure.cc'],
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				|  |  |      'gpr_getenv_silent(': [
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				|  |  | -        'src/core/lib/gpr/log.c', 'src/core/lib/gpr/env_linux.c',
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				|  |  | -        'src/core/lib/gpr/env_posix.c', 'src/core/lib/gpr/env_windows.c'
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				|  |  | +        'src/core/lib/gpr/log.cc', 'src/core/lib/gpr/env_linux.cc',
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				|  |  | +        'src/core/lib/gpr/env_posix.cc', 'src/core/lib/gpr/env_windows.cc'
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				|  |  |      ],
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				|  |  |  }
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				|  |  |  
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				|  |  |  errors = 0
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				|  |  |  for root, dirs, files in os.walk('src/core'):
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				|  |  | +    if root.startswith('src/core/tsi'): continue
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				|  |  |      for filename in files:
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				|  |  |          path = os.path.join(root, filename)
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				|  |  | -        if os.path.splitext(path)[1] != '.c': continue
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				|  |  | +        if os.path.splitext(path)[1] != '.cc': continue
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				|  |  |          with open(path) as f:
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				|  |  |              text = f.read()
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				|  |  |          for banned, exceptions in BANNED_EXCEPT.items():
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