mirror of
https://github.com/python/cpython
synced 2024-09-05 00:05:39 +00:00
gh-97728: Argument Clinic: Fix uninitialized variable in the Py_UNICODE converter (GH-97729)
It affects function os.system() on Windows and Windows-specific modules winreg, _winapi, _overlapped, and _msi.
This commit is contained in:
parent
e738b5190b
commit
0ee9619a4c
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@ -1803,12 +1803,12 @@ static PyObject *
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test_Py_UNICODE_converter(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
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test_Py_UNICODE_converter(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
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{
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{
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PyObject *return_value = NULL;
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PyObject *return_value = NULL;
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const Py_UNICODE *a;
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const Py_UNICODE *a = NULL;
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const Py_UNICODE *b;
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const Py_UNICODE *b = NULL;
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const Py_UNICODE *c;
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const Py_UNICODE *c = NULL;
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const Py_UNICODE *d;
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const Py_UNICODE *d = NULL;
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Py_ssize_t d_length;
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Py_ssize_t d_length;
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const Py_UNICODE *e;
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const Py_UNICODE *e = NULL;
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Py_ssize_t e_length;
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Py_ssize_t e_length;
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if (!_PyArg_ParseStack(args, nargs, "O&O&O&u#Z#:test_Py_UNICODE_converter",
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if (!_PyArg_ParseStack(args, nargs, "O&O&O&u#Z#:test_Py_UNICODE_converter",
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@ -1833,7 +1833,7 @@ test_Py_UNICODE_converter_impl(PyObject *module, const Py_UNICODE *a,
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const Py_UNICODE *b, const Py_UNICODE *c,
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const Py_UNICODE *b, const Py_UNICODE *c,
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const Py_UNICODE *d, Py_ssize_t d_length,
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const Py_UNICODE *d, Py_ssize_t d_length,
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const Py_UNICODE *e, Py_ssize_t e_length)
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const Py_UNICODE *e, Py_ssize_t e_length)
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/*[clinic end generated code: output=4d426808cdbb3ea3 input=064a3b68ad7f04b0]*/
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/*[clinic end generated code: output=9f34a249b3071fdd input=064a3b68ad7f04b0]*/
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/*[clinic input]
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/*[clinic input]
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@ -0,0 +1,3 @@
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Fix possible crashes caused by the use of uninitialized variables when pass
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invalid arguments in :func:`os.system` on Windows and in Windows-specific
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modules (like ``winreg``).
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18
Modules/clinic/_winapi.c.h
generated
18
Modules/clinic/_winapi.c.h
generated
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@ -221,7 +221,7 @@ _winapi_CreateFileMapping(PyObject *module, PyObject *const *args, Py_ssize_t na
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DWORD protect;
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DWORD protect;
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DWORD max_size_high;
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DWORD max_size_high;
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DWORD max_size_low;
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DWORD max_size_low;
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LPCWSTR name;
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LPCWSTR name = NULL;
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HANDLE _return_value;
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HANDLE _return_value;
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if (!_PyArg_ParseStack(args, nargs, "" F_HANDLE "" F_POINTER "kkkO&:CreateFileMapping",
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if (!_PyArg_ParseStack(args, nargs, "" F_HANDLE "" F_POINTER "kkkO&:CreateFileMapping",
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@ -260,8 +260,8 @@ static PyObject *
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_winapi_CreateJunction(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
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_winapi_CreateJunction(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
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{
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{
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PyObject *return_value = NULL;
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PyObject *return_value = NULL;
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LPCWSTR src_path;
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LPCWSTR src_path = NULL;
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LPCWSTR dst_path;
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LPCWSTR dst_path = NULL;
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if (!_PyArg_CheckPositional("CreateJunction", nargs, 2, 2)) {
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if (!_PyArg_CheckPositional("CreateJunction", nargs, 2, 2)) {
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goto exit;
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goto exit;
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@ -409,14 +409,14 @@ static PyObject *
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_winapi_CreateProcess(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
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_winapi_CreateProcess(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
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{
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{
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PyObject *return_value = NULL;
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PyObject *return_value = NULL;
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const Py_UNICODE *application_name;
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const Py_UNICODE *application_name = NULL;
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PyObject *command_line;
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PyObject *command_line;
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PyObject *proc_attrs;
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PyObject *proc_attrs;
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PyObject *thread_attrs;
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PyObject *thread_attrs;
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BOOL inherit_handles;
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BOOL inherit_handles;
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DWORD creation_flags;
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DWORD creation_flags;
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PyObject *env_mapping;
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PyObject *env_mapping;
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const Py_UNICODE *current_directory;
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const Py_UNICODE *current_directory = NULL;
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PyObject *startup_info;
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PyObject *startup_info;
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if (!_PyArg_ParseStack(args, nargs, "O&OOOikOO&O:CreateProcess",
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if (!_PyArg_ParseStack(args, nargs, "O&OOOikOO&O:CreateProcess",
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@ -760,7 +760,7 @@ _winapi_OpenFileMapping(PyObject *module, PyObject *const *args, Py_ssize_t narg
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PyObject *return_value = NULL;
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PyObject *return_value = NULL;
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DWORD desired_access;
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DWORD desired_access;
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BOOL inherit_handle;
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BOOL inherit_handle;
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LPCWSTR name;
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LPCWSTR name = NULL;
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HANDLE _return_value;
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HANDLE _return_value;
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if (!_PyArg_ParseStack(args, nargs, "kiO&:OpenFileMapping",
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if (!_PyArg_ParseStack(args, nargs, "kiO&:OpenFileMapping",
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@ -890,9 +890,9 @@ _winapi_LCMapStringEx(PyObject *module, PyObject *const *args, Py_ssize_t nargs,
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.kwtuple = KWTUPLE,
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.kwtuple = KWTUPLE,
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};
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};
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#undef KWTUPLE
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#undef KWTUPLE
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LPCWSTR locale;
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LPCWSTR locale = NULL;
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DWORD flags;
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DWORD flags;
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LPCWSTR src;
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LPCWSTR src = NULL;
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if (!_PyArg_ParseStackAndKeywords(args, nargs, kwnames, &_parser,
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if (!_PyArg_ParseStackAndKeywords(args, nargs, kwnames, &_parser,
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_PyUnicode_WideCharString_Converter, &locale, &flags, _PyUnicode_WideCharString_Converter, &src)) {
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_PyUnicode_WideCharString_Converter, &locale, &flags, _PyUnicode_WideCharString_Converter, &src)) {
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@ -1345,4 +1345,4 @@ _winapi__mimetypes_read_windows_registry(PyObject *module, PyObject *const *args
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exit:
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exit:
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return return_value;
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return return_value;
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}
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}
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/*[clinic end generated code: output=3e51e0b2ea3fea5a input=a9049054013a1b77]*/
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/*[clinic end generated code: output=83c4a3f0e70e7775 input=a9049054013a1b77]*/
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6
Modules/clinic/overlapped.c.h
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6
Modules/clinic/overlapped.c.h
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@ -282,7 +282,7 @@ _overlapped_CreateEvent(PyObject *module, PyObject *const *args, Py_ssize_t narg
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PyObject *EventAttributes;
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PyObject *EventAttributes;
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BOOL ManualReset;
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BOOL ManualReset;
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BOOL InitialState;
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BOOL InitialState;
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const Py_UNICODE *Name;
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const Py_UNICODE *Name = NULL;
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if (!_PyArg_CheckPositional("CreateEvent", nargs, 4, 4)) {
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if (!_PyArg_CheckPositional("CreateEvent", nargs, 4, 4)) {
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goto exit;
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goto exit;
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@ -1047,7 +1047,7 @@ static PyObject *
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_overlapped_Overlapped_ConnectPipe(OverlappedObject *self, PyObject *arg)
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_overlapped_Overlapped_ConnectPipe(OverlappedObject *self, PyObject *arg)
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{
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{
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PyObject *return_value = NULL;
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PyObject *return_value = NULL;
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const Py_UNICODE *Address;
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const Py_UNICODE *Address = NULL;
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if (!PyUnicode_Check(arg)) {
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if (!PyUnicode_Check(arg)) {
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_PyArg_BadArgument("ConnectPipe", "argument", "str", arg);
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_PyArg_BadArgument("ConnectPipe", "argument", "str", arg);
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@ -1254,4 +1254,4 @@ exit:
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return return_value;
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return return_value;
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}
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}
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/*[clinic end generated code: output=ed7ca699b5cf6260 input=a9049054013a1b77]*/
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/*[clinic end generated code: output=e0f866222bd5873b input=a9049054013a1b77]*/
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4
Modules/clinic/posixmodule.c.h
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4
Modules/clinic/posixmodule.c.h
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@ -2399,7 +2399,7 @@ os_system(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *k
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};
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};
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#undef KWTUPLE
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#undef KWTUPLE
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PyObject *argsbuf[1];
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PyObject *argsbuf[1];
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const Py_UNICODE *command;
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const Py_UNICODE *command = NULL;
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long _return_value;
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long _return_value;
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args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 1, 0, argsbuf);
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args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 1, 0, argsbuf);
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@ -11367,4 +11367,4 @@ exit:
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#ifndef OS_WAITSTATUS_TO_EXITCODE_METHODDEF
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#ifndef OS_WAITSTATUS_TO_EXITCODE_METHODDEF
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#define OS_WAITSTATUS_TO_EXITCODE_METHODDEF
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#define OS_WAITSTATUS_TO_EXITCODE_METHODDEF
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#endif /* !defined(OS_WAITSTATUS_TO_EXITCODE_METHODDEF) */
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#endif /* !defined(OS_WAITSTATUS_TO_EXITCODE_METHODDEF) */
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/*[clinic end generated code: output=dc71eece3fc988a7 input=a9049054013a1b77]*/
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/*[clinic end generated code: output=dd43d388b442c96d input=a9049054013a1b77]*/
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10
PC/clinic/_msi.c.h
generated
10
PC/clinic/_msi.c.h
generated
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@ -201,7 +201,7 @@ _msi_Record_SetString(msiobj *self, PyObject *const *args, Py_ssize_t nargs)
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{
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{
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PyObject *return_value = NULL;
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PyObject *return_value = NULL;
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int field;
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int field;
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const Py_UNICODE *value;
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const Py_UNICODE *value = NULL;
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if (!_PyArg_CheckPositional("SetString", nargs, 2, 2)) {
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if (!_PyArg_CheckPositional("SetString", nargs, 2, 2)) {
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goto exit;
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goto exit;
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@ -244,7 +244,7 @@ _msi_Record_SetStream(msiobj *self, PyObject *const *args, Py_ssize_t nargs)
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{
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{
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PyObject *return_value = NULL;
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PyObject *return_value = NULL;
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int field;
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int field;
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const Py_UNICODE *value;
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const Py_UNICODE *value = NULL;
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if (!_PyArg_CheckPositional("SetStream", nargs, 2, 2)) {
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if (!_PyArg_CheckPositional("SetStream", nargs, 2, 2)) {
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goto exit;
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goto exit;
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@ -549,7 +549,7 @@ static PyObject *
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_msi_Database_OpenView(msiobj *self, PyObject *arg)
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_msi_Database_OpenView(msiobj *self, PyObject *arg)
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{
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{
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PyObject *return_value = NULL;
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PyObject *return_value = NULL;
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const Py_UNICODE *sql;
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const Py_UNICODE *sql = NULL;
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if (!PyUnicode_Check(arg)) {
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if (!PyUnicode_Check(arg)) {
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_PyArg_BadArgument("OpenView", "argument", "str", arg);
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_PyArg_BadArgument("OpenView", "argument", "str", arg);
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@ -638,7 +638,7 @@ static PyObject *
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_msi_OpenDatabase(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
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_msi_OpenDatabase(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
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{
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{
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PyObject *return_value = NULL;
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PyObject *return_value = NULL;
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const Py_UNICODE *path;
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const Py_UNICODE *path = NULL;
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int persist;
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int persist;
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if (!_PyArg_CheckPositional("OpenDatabase", nargs, 2, 2)) {
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if (!_PyArg_CheckPositional("OpenDatabase", nargs, 2, 2)) {
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@ -695,4 +695,4 @@ _msi_CreateRecord(PyObject *module, PyObject *arg)
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exit:
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exit:
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return return_value;
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return return_value;
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}
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}
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/*[clinic end generated code: output=583505220fadb52b input=a9049054013a1b77]*/
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/*[clinic end generated code: output=7d083c61679eed83 input=a9049054013a1b77]*/
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34
PC/clinic/winreg.c.h
generated
34
PC/clinic/winreg.c.h
generated
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@ -177,7 +177,7 @@ static PyObject *
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winreg_ConnectRegistry(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
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winreg_ConnectRegistry(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
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{
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{
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PyObject *return_value = NULL;
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PyObject *return_value = NULL;
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const Py_UNICODE *computer_name;
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const Py_UNICODE *computer_name = NULL;
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HKEY key;
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HKEY key;
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HKEY _return_value;
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HKEY _return_value;
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@ -243,7 +243,7 @@ winreg_CreateKey(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
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{
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{
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PyObject *return_value = NULL;
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PyObject *return_value = NULL;
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HKEY key;
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HKEY key;
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const Py_UNICODE *sub_key;
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const Py_UNICODE *sub_key = NULL;
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HKEY _return_value;
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HKEY _return_value;
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if (!_PyArg_CheckPositional("CreateKey", nargs, 2, 2)) {
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if (!_PyArg_CheckPositional("CreateKey", nargs, 2, 2)) {
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@ -343,7 +343,7 @@ winreg_CreateKeyEx(PyObject *module, PyObject *const *args, Py_ssize_t nargs, Py
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PyObject *argsbuf[4];
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PyObject *argsbuf[4];
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Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
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Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
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HKEY key;
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HKEY key;
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const Py_UNICODE *sub_key;
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const Py_UNICODE *sub_key = NULL;
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int reserved = 0;
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int reserved = 0;
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REGSAM access = KEY_WRITE;
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REGSAM access = KEY_WRITE;
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HKEY _return_value;
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HKEY _return_value;
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@ -427,7 +427,7 @@ winreg_DeleteKey(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
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{
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{
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PyObject *return_value = NULL;
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PyObject *return_value = NULL;
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HKEY key;
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HKEY key;
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const Py_UNICODE *sub_key;
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const Py_UNICODE *sub_key = NULL;
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if (!_PyArg_CheckPositional("DeleteKey", nargs, 2, 2)) {
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if (!_PyArg_CheckPositional("DeleteKey", nargs, 2, 2)) {
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goto exit;
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goto exit;
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@ -520,7 +520,7 @@ winreg_DeleteKeyEx(PyObject *module, PyObject *const *args, Py_ssize_t nargs, Py
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PyObject *argsbuf[4];
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PyObject *argsbuf[4];
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Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
|
Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
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HKEY key;
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HKEY key;
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const Py_UNICODE *sub_key;
|
const Py_UNICODE *sub_key = NULL;
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REGSAM access = KEY_WOW64_64KEY;
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REGSAM access = KEY_WOW64_64KEY;
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int reserved = 0;
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int reserved = 0;
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@ -587,7 +587,7 @@ winreg_DeleteValue(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
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{
|
{
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PyObject *return_value = NULL;
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PyObject *return_value = NULL;
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HKEY key;
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HKEY key;
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const Py_UNICODE *value;
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const Py_UNICODE *value = NULL;
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|
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if (!_PyArg_CheckPositional("DeleteValue", nargs, 2, 2)) {
|
if (!_PyArg_CheckPositional("DeleteValue", nargs, 2, 2)) {
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goto exit;
|
goto exit;
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|
@ -731,7 +731,7 @@ static PyObject *
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winreg_ExpandEnvironmentStrings(PyObject *module, PyObject *arg)
|
winreg_ExpandEnvironmentStrings(PyObject *module, PyObject *arg)
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||||||
{
|
{
|
||||||
PyObject *return_value = NULL;
|
PyObject *return_value = NULL;
|
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const Py_UNICODE *string;
|
const Py_UNICODE *string = NULL;
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|
|
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if (!PyUnicode_Check(arg)) {
|
if (!PyUnicode_Check(arg)) {
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_PyArg_BadArgument("ExpandEnvironmentStrings", "argument", "str", arg);
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_PyArg_BadArgument("ExpandEnvironmentStrings", "argument", "str", arg);
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@ -830,8 +830,8 @@ winreg_LoadKey(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
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{
|
{
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PyObject *return_value = NULL;
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PyObject *return_value = NULL;
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HKEY key;
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HKEY key;
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const Py_UNICODE *sub_key;
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const Py_UNICODE *sub_key = NULL;
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const Py_UNICODE *file_name;
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const Py_UNICODE *file_name = NULL;
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|
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if (!_PyArg_CheckPositional("LoadKey", nargs, 3, 3)) {
|
if (!_PyArg_CheckPositional("LoadKey", nargs, 3, 3)) {
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goto exit;
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goto exit;
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@ -924,7 +924,7 @@ winreg_OpenKey(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObje
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PyObject *argsbuf[4];
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PyObject *argsbuf[4];
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Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
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Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
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HKEY key;
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HKEY key;
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const Py_UNICODE *sub_key;
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const Py_UNICODE *sub_key = NULL;
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int reserved = 0;
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int reserved = 0;
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REGSAM access = KEY_READ;
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REGSAM access = KEY_READ;
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HKEY _return_value;
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HKEY _return_value;
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||||||
|
@ -1037,7 +1037,7 @@ winreg_OpenKeyEx(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyOb
|
||||||
PyObject *argsbuf[4];
|
PyObject *argsbuf[4];
|
||||||
Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
|
Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
|
||||||
HKEY key;
|
HKEY key;
|
||||||
const Py_UNICODE *sub_key;
|
const Py_UNICODE *sub_key = NULL;
|
||||||
int reserved = 0;
|
int reserved = 0;
|
||||||
REGSAM access = KEY_READ;
|
REGSAM access = KEY_READ;
|
||||||
HKEY _return_value;
|
HKEY _return_value;
|
||||||
|
@ -1159,7 +1159,7 @@ winreg_QueryValue(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
|
||||||
{
|
{
|
||||||
PyObject *return_value = NULL;
|
PyObject *return_value = NULL;
|
||||||
HKEY key;
|
HKEY key;
|
||||||
const Py_UNICODE *sub_key;
|
const Py_UNICODE *sub_key = NULL;
|
||||||
|
|
||||||
if (!_PyArg_CheckPositional("QueryValue", nargs, 2, 2)) {
|
if (!_PyArg_CheckPositional("QueryValue", nargs, 2, 2)) {
|
||||||
goto exit;
|
goto exit;
|
||||||
|
@ -1216,7 +1216,7 @@ winreg_QueryValueEx(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
|
||||||
{
|
{
|
||||||
PyObject *return_value = NULL;
|
PyObject *return_value = NULL;
|
||||||
HKEY key;
|
HKEY key;
|
||||||
const Py_UNICODE *name;
|
const Py_UNICODE *name = NULL;
|
||||||
|
|
||||||
if (!_PyArg_CheckPositional("QueryValueEx", nargs, 2, 2)) {
|
if (!_PyArg_CheckPositional("QueryValueEx", nargs, 2, 2)) {
|
||||||
goto exit;
|
goto exit;
|
||||||
|
@ -1278,7 +1278,7 @@ winreg_SaveKey(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
|
||||||
{
|
{
|
||||||
PyObject *return_value = NULL;
|
PyObject *return_value = NULL;
|
||||||
HKEY key;
|
HKEY key;
|
||||||
const Py_UNICODE *file_name;
|
const Py_UNICODE *file_name = NULL;
|
||||||
|
|
||||||
if (!_PyArg_CheckPositional("SaveKey", nargs, 2, 2)) {
|
if (!_PyArg_CheckPositional("SaveKey", nargs, 2, 2)) {
|
||||||
goto exit;
|
goto exit;
|
||||||
|
@ -1341,7 +1341,7 @@ winreg_SetValue(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
|
||||||
{
|
{
|
||||||
PyObject *return_value = NULL;
|
PyObject *return_value = NULL;
|
||||||
HKEY key;
|
HKEY key;
|
||||||
const Py_UNICODE *sub_key;
|
const Py_UNICODE *sub_key = NULL;
|
||||||
DWORD type;
|
DWORD type;
|
||||||
PyObject *value_obj;
|
PyObject *value_obj;
|
||||||
|
|
||||||
|
@ -1440,7 +1440,7 @@ winreg_SetValueEx(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
|
||||||
{
|
{
|
||||||
PyObject *return_value = NULL;
|
PyObject *return_value = NULL;
|
||||||
HKEY key;
|
HKEY key;
|
||||||
const Py_UNICODE *value_name;
|
const Py_UNICODE *value_name = NULL;
|
||||||
PyObject *reserved;
|
PyObject *reserved;
|
||||||
DWORD type;
|
DWORD type;
|
||||||
PyObject *value;
|
PyObject *value;
|
||||||
|
@ -1579,4 +1579,4 @@ winreg_QueryReflectionKey(PyObject *module, PyObject *arg)
|
||||||
exit:
|
exit:
|
||||||
return return_value;
|
return return_value;
|
||||||
}
|
}
|
||||||
/*[clinic end generated code: output=5dfd7dbce8ccb392 input=a9049054013a1b77]*/
|
/*[clinic end generated code: output=7e817dc5edc914d3 input=a9049054013a1b77]*/
|
||||||
|
|
|
@ -3586,6 +3586,7 @@ def converter_init(self, *, accept={str}, zeroes=False):
|
||||||
self.converter = '_PyUnicode_WideCharString_Opt_Converter'
|
self.converter = '_PyUnicode_WideCharString_Opt_Converter'
|
||||||
else:
|
else:
|
||||||
fail("Py_UNICODE_converter: illegal 'accept' argument " + repr(accept))
|
fail("Py_UNICODE_converter: illegal 'accept' argument " + repr(accept))
|
||||||
|
self.c_default = "NULL"
|
||||||
|
|
||||||
def cleanup(self):
|
def cleanup(self):
|
||||||
if not self.length:
|
if not self.length:
|
||||||
|
|
Loading…
Reference in a new issue