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Let PyUnicode_FromWideChar calculate the input length (GH-134045)

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Max Bachmann 2025-05-15 13:56:50 +02:00 • committed by GitHub
parent 1c4b34c6cb
commit 74c4e35ff1
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6 changed files with 11 additions and 11 deletions
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2
Modules/_ctypes/callproc.c
View file

@ -1389,7 +1389,7 @@ static PyObject *format_error(PyObject *self, PyObject *args)
code = GetLastError(); code = GetLastError();
lpMsgBuf = FormatError(code); lpMsgBuf = FormatError(code);
if (lpMsgBuf) { if (lpMsgBuf) {
result = PyUnicode_FromWideChar(lpMsgBuf, wcslen(lpMsgBuf)); result = PyUnicode_FromWideChar(lpMsgBuf, -1);
LocalFree(lpMsgBuf); LocalFree(lpMsgBuf);
} else { } else {
result = PyUnicode_FromString("<no description>"); result = PyUnicode_FromString("<no description>");

2
Modules/_ctypes/cfield.c
View file

@ -1253,7 +1253,7 @@ Z_get(void *ptr, Py_ssize_t size)
wchar_t *p; wchar_t *p;
p = *(wchar_t **)ptr; p = *(wchar_t **)ptr;
if (p) { if (p) {
return PyUnicode_FromWideChar(p, wcslen(p)); return PyUnicode_FromWideChar(p, -1);
} else { } else {
Py_RETURN_NONE; Py_RETURN_NONE;
} }

2
Modules/_winapi.c
View file

@ -1633,7 +1633,7 @@ _winapi_GetModuleFileName_impl(PyObject *module, HMODULE module_handle)
if (! result) if (! result)
return PyErr_SetFromWindowsErr(GetLastError()); return PyErr_SetFromWindowsErr(GetLastError());
return PyUnicode_FromWideChar(filename, wcslen(filename)); return PyUnicode_FromWideChar(filename, -1);
} }
#if defined(MS_WINDOWS_DESKTOP) || defined(MS_WINDOWS_SYSTEM) #if defined(MS_WINDOWS_DESKTOP) || defined(MS_WINDOWS_SYSTEM)

6
Modules/main.c
View file

@ -128,7 +128,7 @@ pymain_get_importer(const wchar_t *filename, PyObject **importer_p, int *exitcod
{ {
PyObject *sys_path0 = NULL, *importer; PyObject *sys_path0 = NULL, *importer;
sys_path0 = PyUnicode_FromWideChar(filename, wcslen(filename)); sys_path0 = PyUnicode_FromWideChar(filename, -1);
if (sys_path0 == NULL) { if (sys_path0 == NULL) {
goto error; goto error;
} }
@ -328,7 +328,7 @@ pymain_run_module(const wchar_t *modname, int set_argv0)
fprintf(stderr, "Could not import runpy._run_module_as_main\n"); fprintf(stderr, "Could not import runpy._run_module_as_main\n");
return pymain_exit_err_print(); return pymain_exit_err_print();
} }
module = PyUnicode_FromWideChar(modname, wcslen(modname)); module = PyUnicode_FromWideChar(modname, -1);
if (module == NULL) { if (module == NULL) {
fprintf(stderr, "Could not convert module name to unicode\n"); fprintf(stderr, "Could not convert module name to unicode\n");
Py_DECREF(runmodule); Py_DECREF(runmodule);
@ -439,7 +439,7 @@ pymain_run_startup(PyConfig *config, int *exitcode)
if (env == NULL || env[0] == L'\0') { if (env == NULL || env[0] == L'\0') {
return 0; return 0;
} }
startup = PyUnicode_FromWideChar(env, wcslen(env)); startup = PyUnicode_FromWideChar(env, -1);
if (startup == NULL) { if (startup == NULL) {
goto error; goto error;
} }

8
Modules/posixmodule.c
View file

@ -1782,7 +1782,7 @@ convertenviron(void)
return NULL; return NULL;
} }
#ifdef MS_WINDOWS #ifdef MS_WINDOWS
v = PyUnicode_FromWideChar(p+1, wcslen(p+1)); v = PyUnicode_FromWideChar(p+1, -1);
#else #else
v = PyBytes_FromStringAndSize(p+1, strlen(p+1)); v = PyBytes_FromStringAndSize(p+1, strlen(p+1));
#endif #endif
@ -5052,7 +5052,7 @@ os__getfullpathname_impl(PyObject *module, path_t *path)
return PyErr_NoMemory(); return PyErr_NoMemory();
} }
PyObject *str = PyUnicode_FromWideChar(abspath, wcslen(abspath)); PyObject *str = PyUnicode_FromWideChar(abspath, -1);
PyMem_RawFree(abspath); PyMem_RawFree(abspath);
if (str == NULL) { if (str == NULL) {
return NULL; return NULL;
@ -5168,7 +5168,7 @@ os__findfirstfile_impl(PyObject *module, path_t *path)
} }
wRealFileName = wFileData.cFileName; wRealFileName = wFileData.cFileName;
result = PyUnicode_FromWideChar(wRealFileName, wcslen(wRealFileName)); result = PyUnicode_FromWideChar(wRealFileName, -1);
FindClose(hFindFile); FindClose(hFindFile);
return result; return result;
} }
@ -5212,7 +5212,7 @@ os__getvolumepathname_impl(PyObject *module, path_t *path)
result = win32_error_object("_getvolumepathname", path->object); result = win32_error_object("_getvolumepathname", path->object);
goto exit; goto exit;
} }
result = PyUnicode_FromWideChar(mountpath, wcslen(mountpath)); result = PyUnicode_FromWideChar(mountpath, -1);
if (PyBytes_Check(path->object)) if (PyBytes_Check(path->object))
Py_SETREF(result, PyUnicode_EncodeFSDefault(result)); Py_SETREF(result, PyUnicode_EncodeFSDefault(result));

2
PC/winreg.c
View file

@ -1290,7 +1290,7 @@ winreg_ExpandEnvironmentStrings_impl(PyObject *module, const wchar_t *string)
return PyErr_SetFromWindowsErrWithFunction(retValueSize, return PyErr_SetFromWindowsErrWithFunction(retValueSize,
"ExpandEnvironmentStrings"); "ExpandEnvironmentStrings");
} }
o = PyUnicode_FromWideChar(retValue, wcslen(retValue)); o = PyUnicode_FromWideChar(retValue, -1);
PyMem_Free(retValue); PyMem_Free(retValue);
return o; return o;
} }