#include "Python.h"

#include "pycore_fileutils.h" // _Py_HasFileSystemDefaultEncodeErrors

#include "pycore_getopt.h" // _PyOS_GetOpt()

#include "pycore_initconfig.h" // _PyStatus_OK()

#include "pycore_interp.h" // _PyInterpreterState.runtime

#include "pycore_long.h" // _PY_LONG_MAX_STR_DIGITS_THRESHOLD

#include "pycore_pathconfig.h" // _Py_path_config

#include "pycore_pyerrors.h" // _PyErr_GetRaisedException()

#include "pycore_pylifecycle.h" // _Py_PreInitializeFromConfig()

#include "pycore_pymem.h" // _PyMem_SetDefaultAllocator()

#include "pycore_pystate.h" // _PyThreadState_GET()

#include "pycore_pystats.h" // _Py_StatsOn()

#include "pycore_sysmodule.h" // _PySys_SetIntMaxStrDigits()

#include "osdefs.h" // DELIM

#include <locale.h> // setlocale()

#include <stdlib.h> // getenv()

#if defined(MS_WINDOWS) || defined(__CYGWIN__)

# ifdef HAVE_IO_H

# include <io.h>

# ifdef HAVE_FCNTL_H

# include <fcntl.h> // O_BINARY

#include "config_common.h"

typedef PyObject* (*config_sys_flag_setter) (int value);

static PyObject*

config_sys_flag_long(int value)

{

return PyLong_FromLong(value);

}

static PyObject*

config_sys_flag_not(int value)

{

value = (!value);

return config_sys_flag_long(value);

}

typedef enum {

PyConfig_MEMBER_INT = 0,

PyConfig_MEMBER_UINT = 1,

PyConfig_MEMBER_ULONG = 2,

PyConfig_MEMBER_BOOL = 3,

PyConfig_MEMBER_WSTR = 10,

PyConfig_MEMBER_WSTR_OPT = 11,

PyConfig_MEMBER_WSTR_LIST = 12,

} PyConfigMemberType;

typedef enum {

// Option which cannot be get or set by PyConfig_Get() and PyConfig_Set()

PyConfig_MEMBER_INIT_ONLY = 0,

// Option which cannot be set by PyConfig_Set()

PyConfig_MEMBER_READ_ONLY = 1,

// Public option: can be get and set by PyConfig_Get() and PyConfig_Set()

PyConfig_MEMBER_PUBLIC = 2,

} PyConfigMemberVisibility;

typedef struct {

const char *attr;

int flag_index;

config_sys_flag_setter flag_setter;

} PyConfigSysSpec;

typedef struct {

const char *name;

size_t offset;

PyConfigMemberType type;

PyConfigMemberVisibility visibility;

PyConfigSysSpec sys;

} PyConfigSpec;

#define SPEC(MEMBER, TYPE, VISIBILITY, sys) \

{#MEMBER, offsetof(PyConfig, MEMBER), \

PyConfig_MEMBER_##TYPE, PyConfig_MEMBER_##VISIBILITY, sys}

#define SYS_ATTR(name) {name, -1, NULL}

#define SYS_FLAG_SETTER(index, setter) {NULL, index, setter}

#define SYS_FLAG(index) SYS_FLAG_SETTER(index, NULL)

#define NO_SYS SYS_ATTR(NULL)

static const PyConfigSpec PYCONFIG_SPEC[] = {

// --- Public options -----------

SPEC(argv, WSTR_LIST, PUBLIC, SYS_ATTR("argv")),

SPEC(base_exec_prefix, WSTR_OPT, PUBLIC, SYS_ATTR("base_exec_prefix")),

SPEC(base_executable, WSTR_OPT, PUBLIC, SYS_ATTR("_base_executable")),

SPEC(base_prefix, WSTR_OPT, PUBLIC, SYS_ATTR("base_prefix")),

SPEC(bytes_warning, UINT, PUBLIC, SYS_FLAG(9)),

SPEC(exec_prefix, WSTR_OPT, PUBLIC, SYS_ATTR("exec_prefix")),

SPEC(executable, WSTR_OPT, PUBLIC, SYS_ATTR("executable")),

SPEC(inspect, BOOL, PUBLIC, SYS_FLAG(1)),

SPEC(int_max_str_digits, UINT, PUBLIC, NO_SYS),

SPEC(interactive, BOOL, PUBLIC, SYS_FLAG(2)),

SPEC(module_search_paths, WSTR_LIST, PUBLIC, SYS_ATTR("path")),

SPEC(optimization_level, UINT, PUBLIC, SYS_FLAG(3)),

SPEC(parser_debug, BOOL, PUBLIC, SYS_FLAG(0)),

SPEC(platlibdir, WSTR, PUBLIC, SYS_ATTR("platlibdir")),

SPEC(prefix, WSTR_OPT, PUBLIC, SYS_ATTR("prefix")),

SPEC(pycache_prefix, WSTR_OPT, PUBLIC, SYS_ATTR("pycache_prefix")),

SPEC(quiet, BOOL, PUBLIC, SYS_FLAG(10)),

SPEC(stdlib_dir, WSTR_OPT, PUBLIC, SYS_ATTR("_stdlib_dir")),

SPEC(use_environment, BOOL, PUBLIC, SYS_FLAG_SETTER(7, config_sys_flag_not)),

SPEC(verbose, UINT, PUBLIC, SYS_FLAG(8)),

SPEC(warnoptions, WSTR_LIST, PUBLIC, SYS_ATTR("warnoptions")),

SPEC(write_bytecode, BOOL, PUBLIC, SYS_FLAG_SETTER(4, config_sys_flag_not)),

SPEC(xoptions, WSTR_LIST, PUBLIC, SYS_ATTR("_xoptions")),

// --- Read-only options -----------

#ifdef Py_STATS

SPEC(_pystats, BOOL, READ_ONLY, NO_SYS),

SPEC(buffered_stdio, BOOL, READ_ONLY, NO_SYS),

SPEC(check_hash_pycs_mode, WSTR, READ_ONLY, NO_SYS),

SPEC(code_debug_ranges, BOOL, READ_ONLY, NO_SYS),

SPEC(configure_c_stdio, BOOL, READ_ONLY, NO_SYS),

SPEC(cpu_count, INT, READ_ONLY, NO_SYS),

SPEC(dev_mode, BOOL, READ_ONLY, NO_SYS), // sys.flags.dev_mode

SPEC(dump_refs, BOOL, READ_ONLY, NO_SYS),

SPEC(dump_refs_file, WSTR_OPT, READ_ONLY, NO_SYS),

#ifdef Py_GIL_DISABLED

SPEC(enable_gil, INT, READ_ONLY, NO_SYS),

SPEC(faulthandler, BOOL, READ_ONLY, NO_SYS),

SPEC(filesystem_encoding, WSTR, READ_ONLY, NO_SYS),

SPEC(filesystem_errors, WSTR, READ_ONLY, NO_SYS),

SPEC(hash_seed, ULONG, READ_ONLY, NO_SYS),

SPEC(home, WSTR_OPT, READ_ONLY, NO_SYS),

SPEC(import_time, BOOL, READ_ONLY, NO_SYS),

SPEC(install_signal_handlers, BOOL, READ_ONLY, NO_SYS),

SPEC(isolated, BOOL, READ_ONLY, NO_SYS), // sys.flags.isolated

#ifdef MS_WINDOWS

SPEC(legacy_windows_stdio, BOOL, READ_ONLY, NO_SYS),

SPEC(malloc_stats, BOOL, READ_ONLY, NO_SYS),

SPEC(orig_argv, WSTR_LIST, READ_ONLY, SYS_ATTR("orig_argv")),

SPEC(parse_argv, BOOL, READ_ONLY, NO_SYS),

SPEC(pathconfig_warnings, BOOL, READ_ONLY, NO_SYS),

SPEC(perf_profiling, UINT, READ_ONLY, NO_SYS),

SPEC(program_name, WSTR, READ_ONLY, NO_SYS),

SPEC(run_command, WSTR_OPT, READ_ONLY, NO_SYS),

SPEC(run_filename, WSTR_OPT, READ_ONLY, NO_SYS),

SPEC(run_module, WSTR_OPT, READ_ONLY, NO_SYS),

#ifdef Py_DEBUG

SPEC(run_presite, WSTR_OPT, READ_ONLY, NO_SYS),

SPEC(safe_path, BOOL, READ_ONLY, NO_SYS),

SPEC(show_ref_count, BOOL, READ_ONLY, NO_SYS),

SPEC(site_import, BOOL, READ_ONLY, NO_SYS), // sys.flags.no_site

SPEC(skip_source_first_line, BOOL, READ_ONLY, NO_SYS),

SPEC(stdio_encoding, WSTR, READ_ONLY, NO_SYS),

SPEC(stdio_errors, WSTR, READ_ONLY, NO_SYS),

SPEC(tracemalloc, UINT, READ_ONLY, NO_SYS),

SPEC(use_frozen_modules, BOOL, READ_ONLY, NO_SYS),

SPEC(use_hash_seed, BOOL, READ_ONLY, NO_SYS),

SPEC(user_site_directory, BOOL, READ_ONLY, NO_SYS), // sys.flags.no_user_site

SPEC(warn_default_encoding, BOOL, READ_ONLY, NO_SYS),

// --- Init-only options -----------

SPEC(_config_init, UINT, INIT_ONLY, NO_SYS),

SPEC(_init_main, BOOL, INIT_ONLY, NO_SYS),

SPEC(_install_importlib, BOOL, INIT_ONLY, NO_SYS),

SPEC(_is_python_build, BOOL, INIT_ONLY, NO_SYS),

SPEC(module_search_paths_set, BOOL, INIT_ONLY, NO_SYS),

SPEC(pythonpath_env, WSTR_OPT, INIT_ONLY, NO_SYS),

SPEC(sys_path_0, WSTR_OPT, INIT_ONLY, NO_SYS),

// Array terminator

{NULL, 0, 0, 0, NO_SYS},

};

#undef SPEC

#define SPEC(MEMBER, TYPE, VISIBILITY) \

{#MEMBER, offsetof(PyPreConfig, MEMBER), PyConfig_MEMBER_##TYPE, \

PyConfig_MEMBER_##VISIBILITY, NO_SYS}

static const PyConfigSpec PYPRECONFIG_SPEC[] = {

// --- Read-only options -----------

SPEC(allocator, INT, READ_ONLY),

SPEC(coerce_c_locale, BOOL, READ_ONLY),

SPEC(coerce_c_locale_warn, BOOL, READ_ONLY),

SPEC(configure_locale, BOOL, READ_ONLY),

#ifdef MS_WINDOWS

SPEC(legacy_windows_fs_encoding, BOOL, READ_ONLY),

SPEC(utf8_mode, BOOL, READ_ONLY),

// --- Init-only options -----------

// Members already present in PYCONFIG_SPEC

SPEC(_config_init, INT, INIT_ONLY),

SPEC(dev_mode, BOOL, INIT_ONLY),

SPEC(isolated, BOOL, INIT_ONLY),

SPEC(parse_argv, BOOL, INIT_ONLY),

SPEC(use_environment, BOOL, INIT_ONLY),

// Array terminator

{NULL, 0, 0, 0, NO_SYS},

};

#undef SPEC

#undef SYS_ATTR

#undef SYS_FLAG_SETTER

#undef SYS_FLAG

#undef NO_SYS

static PyObject*

config_get(const PyConfig *config, const PyConfigSpec *spec,

int use_sys);

static const char usage_line[] =

"usage: %ls [option] ... [-c cmd | -m mod | file | -] [arg] ...\n";

static const char usage_help[] = "\

";

static const char usage_xoptions[] = "\

#ifdef Py_GIL_DISABLED

"\

-X importtime: show how long each import takes; also PYTHONPROFILEIMPORTTIME\n\

-X int_max_str_digits=N: limit the size of int<->str conversions;\n\

0 disables the limit; also PYTHONINTMAXSTRDIGITS\n\

-X no_debug_ranges: don't include extra location information in code objects;\n\

also PYTHONNODEBUGRANGES\n\

-X perf: support the Linux \"perf\" profiler; also PYTHONPERFSUPPORT=1\n\

"

#ifdef Py_DEBUG

#ifdef Py_STATS

";

static const char usage_envvars[] =

#ifdef Py_TRACE_REFS

#ifdef __APPLE__

#ifdef MS_WINDOWS

#ifdef Py_GIL_DISABLED

#ifdef Py_DEBUG

#ifdef Py_STATS

;

#if defined(MS_WINDOWS)

# define PYTHONHOMEHELP "<prefix>\\python{major}{minor}"

# define PYTHONHOMEHELP "<prefix>/lib/pythonX.X"

int Py_UTF8Mode = 0;

int Py_DebugFlag = 0; /* Needed by parser.c */

int Py_VerboseFlag = 0; /* Needed by import.c */

int Py_QuietFlag = 0; /* Needed by sysmodule.c */

int Py_InteractiveFlag = 0; /* Previously, was used by Py_FdIsInteractive() */

int Py_InspectFlag = 0; /* Needed to determine whether to exit at SystemExit */

int Py_OptimizeFlag = 0; /* Needed by compile.c */

int Py_NoSiteFlag = 0; /* Suppress 'import site' */

int Py_BytesWarningFlag = 0; /* Warn on str(bytes) and str(buffer) */

int Py_FrozenFlag = 0; /* Needed by getpath.c */

int Py_IgnoreEnvironmentFlag = 0; /* e.g. PYTHONPATH, PYTHONHOME */

int Py_DontWriteBytecodeFlag = 0; /* Suppress writing bytecode files (*.pyc) */

int Py_NoUserSiteDirectory = 0; /* for -s and site.py */

int Py_UnbufferedStdioFlag = 0; /* Unbuffered binary std{in,out,err} */

int Py_HashRandomizationFlag = 0; /* for -R and PYTHONHASHSEED */

int Py_IsolatedFlag = 0; /* for -I, isolate from user's env */

#ifdef MS_WINDOWS

int Py_LegacyWindowsFSEncodingFlag = 0; /* Uses mbcs instead of utf-8 */

int Py_LegacyWindowsStdioFlag = 0; /* Uses FileIO instead of WindowsConsoleIO */

static PyObject *

_Py_GetGlobalVariablesAsDict(void)

{

PyObject *dict, *obj;

dict = PyDict_New();

if (dict == NULL) {

return NULL;

}

#define SET_ITEM(KEY, EXPR) \

do { \

obj = (EXPR); \

if (obj == NULL) { \

return NULL; \

} \

int res = PyDict_SetItemString(dict, (KEY), obj); \

Py_DECREF(obj); \

if (res < 0) { \

goto fail; \

} \

} while (0)

#define SET_ITEM_INT(VAR) \

SET_ITEM(#VAR, PyLong_FromLong(VAR))

#define FROM_STRING(STR) \

((STR != NULL) ? \

PyUnicode_FromString(STR) \

: Py_NewRef(Py_None))

#define SET_ITEM_STR(VAR) \

SET_ITEM(#VAR, FROM_STRING(VAR))

SET_ITEM_STR(Py_FileSystemDefaultEncoding);

SET_ITEM_INT(Py_HasFileSystemDefaultEncoding);

SET_ITEM_STR(Py_FileSystemDefaultEncodeErrors);

SET_ITEM_INT(_Py_HasFileSystemDefaultEncodeErrors);

SET_ITEM_INT(Py_UTF8Mode);

SET_ITEM_INT(Py_DebugFlag);

SET_ITEM_INT(Py_VerboseFlag);

SET_ITEM_INT(Py_QuietFlag);

SET_ITEM_INT(Py_InteractiveFlag);

SET_ITEM_INT(Py_InspectFlag);

SET_ITEM_INT(Py_OptimizeFlag);

SET_ITEM_INT(Py_NoSiteFlag);

SET_ITEM_INT(Py_BytesWarningFlag);

SET_ITEM_INT(Py_FrozenFlag);

SET_ITEM_INT(Py_IgnoreEnvironmentFlag);

SET_ITEM_INT(Py_DontWriteBytecodeFlag);

SET_ITEM_INT(Py_NoUserSiteDirectory);

SET_ITEM_INT(Py_UnbufferedStdioFlag);

SET_ITEM_INT(Py_HashRandomizationFlag);

SET_ITEM_INT(Py_IsolatedFlag);

#ifdef MS_WINDOWS

SET_ITEM_INT(Py_LegacyWindowsFSEncodingFlag);

SET_ITEM_INT(Py_LegacyWindowsStdioFlag);

return dict;

fail:

Py_DECREF(dict);

return NULL;

#undef FROM_STRING

#undef SET_ITEM

#undef SET_ITEM_INT

#undef SET_ITEM_STR

}

Py_GETENV(const char *name)

{

if (Py_IgnoreEnvironmentFlag) {

return NULL;

}

return getenv(name);

}

PyStatus PyStatus_Ok(void)

{ return _PyStatus_OK(); }

PyStatus PyStatus_Error(const char *err_msg)

{

assert(err_msg != NULL);

return (PyStatus){._type = _PyStatus_TYPE_ERROR,

.err_msg = err_msg};

}

PyStatus PyStatus_NoMemory(void)

{ return PyStatus_Error("memory allocation failed"); }

PyStatus PyStatus_Exit(int exitcode)

{ return _PyStatus_EXIT(exitcode); }

int PyStatus_IsError(PyStatus status)

{ return _PyStatus_IS_ERROR(status); }

int PyStatus_IsExit(PyStatus status)

{ return _PyStatus_IS_EXIT(status); }

int PyStatus_Exception(PyStatus status)

{ return _PyStatus_EXCEPTION(status); }

_PyErr_SetFromPyStatus(PyStatus status)

{

if (!_PyStatus_IS_ERROR(status)) {

PyErr_Format(PyExc_SystemError,

"_PyErr_SetFromPyStatus() status is not an error");

return;

}

const char *err_msg = status.err_msg;

if (err_msg == NULL || strlen(err_msg) == 0) {

PyErr_Format(PyExc_SystemError,

"_PyErr_SetFromPyStatus() status has no error message");

return;

}

if (strcmp(err_msg, _PyStatus_NO_MEMORY_ERRMSG) == 0) {

PyErr_NoMemory();

return;

}

const char *func = status.func;

if (func) {

PyErr_Format(PyExc_RuntimeError, "%s: %s", func, err_msg);

}

else {

PyErr_Format(PyExc_RuntimeError, "%s", err_msg);

}

}

#ifndef NDEBUG

_PyWideStringList_CheckConsistency(const PyWideStringList *list)

{

assert(list->length >= 0);

if (list->length != 0) {

assert(list->items != NULL);

}

for (Py_ssize_t i = 0; i < list->length; i++) {

assert(list->items[i] != NULL);

}

return 1;

}

#endif /* Py_DEBUG */

_PyWideStringList_Clear(PyWideStringList *list)

{

assert(_PyWideStringList_CheckConsistency(list));

for (Py_ssize_t i=0; i < list->length; i++) {

PyMem_RawFree(list->items[i]);

}

PyMem_RawFree(list->items);

list->length = 0;

list->items = NULL;

}

_PyWideStringList_Copy(PyWideStringList *list, const PyWideStringList *list2)

{

assert(_PyWideStringList_CheckConsistency(list));

assert(_PyWideStringList_CheckConsistency(list2));

if (list2->length == 0) {

_PyWideStringList_Clear(list);

return 0;

}

PyWideStringList copy = _PyWideStringList_INIT;

size_t size = list2->length * sizeof(list2->items[0]);

copy.items = PyMem_RawMalloc(size);

if (copy.items == NULL) {

return -1;

}

for (Py_ssize_t i=0; i < list2->length; i++) {

wchar_t *item = _PyMem_RawWcsdup(list2->items[i]);

if (item == NULL) {

_PyWideStringList_Clear(&copy);

return -1;

}

copy.items[i] = item;

copy.length = i + 1;

}

_PyWideStringList_Clear(list);

*list = copy;

return 0;

}

PyWideStringList_Insert(PyWideStringList *list,

Py_ssize_t index, const wchar_t *item)

{

Py_ssize_t len = list->length;

if (len == PY_SSIZE_T_MAX) {

/* length+1 would overflow */

return _PyStatus_NO_MEMORY();

}

if (index < 0) {

return _PyStatus_ERR("PyWideStringList_Insert index must be >= 0");

}

if (index > len) {

index = len;

}

wchar_t *item2 = _PyMem_RawWcsdup(item);

if (item2 == NULL) {

return _PyStatus_NO_MEMORY();

}

size_t size = (len + 1) * sizeof(list->items[0]);

wchar_t **items2 = (wchar_t **)PyMem_RawRealloc(list->items, size);

if (items2 == NULL) {

PyMem_RawFree(item2);

return _PyStatus_NO_MEMORY();

}

if (index < len) {

memmove(&items2[index + 1],

&items2[index],

(len - index) * sizeof(items2[0]));

}

items2[index] = item2;

list->items = items2;

list->length++;

return _PyStatus_OK();

}

PyWideStringList_Append(PyWideStringList *list, const wchar_t *item)

{

return PyWideStringList_Insert(list, list->length, item);

}

_PyWideStringList_Extend(PyWideStringList *list, const PyWideStringList *list2)

{

for (Py_ssize_t i = 0; i < list2->length; i++) {

PyStatus status = PyWideStringList_Append(list, list2->items[i]);

if (_PyStatus_EXCEPTION(status)) {

return status;

}

}

return _PyStatus_OK();

}

static int

_PyWideStringList_Find(PyWideStringList *list, const wchar_t *item)

{

for (Py_ssize_t i = 0; i < list->length; i++) {

if (wcscmp(list->items[i], item) == 0) {

return 1;

}

}

return 0;

}

_PyWideStringList_AsList(const PyWideStringList *list)

{

assert(_PyWideStringList_CheckConsistency(list));

PyObject *pylist = PyList_New(list->length);

if (pylist == NULL) {

return NULL;

}

for (Py_ssize_t i = 0; i < list->length; i++) {

PyObject *item = PyUnicode_FromWideChar(list->items[i], -1);

if (item == NULL) {

Py_DECREF(pylist);

return NULL;

}

PyList_SET_ITEM(pylist, i, item);

}

return pylist;

}

static PyObject*

_PyWideStringList_AsTuple(const PyWideStringList *list)

{

assert(_PyWideStringList_CheckConsistency(list));

PyObject *tuple = PyTuple_New(list->length);

if (tuple == NULL) {

return NULL;

}

for (Py_ssize_t i = 0; i < list->length; i++) {

PyObject *item = PyUnicode_FromWideChar(list->items[i], -1);

if (item == NULL) {

Py_DECREF(tuple);

return NULL;

}

PyTuple_SET_ITEM(tuple, i, item);

}

return tuple;

}

_Py_ClearArgcArgv(void)

{

PyMemAllocatorEx old_alloc;

_PyMem_SetDefaultAllocator(PYMEM_DOMAIN_RAW, &old_alloc);

_PyWideStringList_Clear(&_PyRuntime.orig_argv);

PyMem_SetAllocator(PYMEM_DOMAIN_RAW, &old_alloc);

}

static int

_Py_SetArgcArgv(Py_ssize_t argc, wchar_t * const *argv)

{

const PyWideStringList argv_list = {.length = argc, .items = (wchar_t **)argv};

int res;

PyMemAllocatorEx old_alloc;

_PyMem_SetDefaultAllocator(PYMEM_DOMAIN_RAW, &old_alloc);

// XXX _PyRuntime.orig_argv only gets cleared by Py_Main(),

// so it currently leaks for embedders.

res = _PyWideStringList_Copy(&_PyRuntime.orig_argv, &argv_list);

PyMem_SetAllocator(PYMEM_DOMAIN_RAW, &old_alloc);

return res;

}

Py_GetArgcArgv(int *argc, wchar_t ***argv)

{

*argc = (int)_PyRuntime.orig_argv.length;

*argv = _PyRuntime.orig_argv.items;

}

#define MAX_HASH_SEED 4294967295UL

#ifndef NDEBUG

static int

config_check_consistency(const PyConfig *config)

{

/* Check config consistency */

assert(config->isolated >= 0);

assert(config->use_environment >= 0);

assert(config->dev_mode >= 0);

assert(config->install_signal_handlers >= 0);

assert(config->use_hash_seed >= 0);

assert(config->hash_seed <= MAX_HASH_SEED);

assert(config->faulthandler >= 0);

assert(config->tracemalloc >= 0);

assert(config->import_time >= 0);

assert(config->code_debug_ranges >= 0);

assert(config->show_ref_count >= 0);

assert(config->dump_refs >= 0);

assert(config->malloc_stats >= 0);

assert(config->site_import >= 0);

assert(config->bytes_warning >= 0);

assert(config->warn_default_encoding >= 0);

assert(config->inspect >= 0);

assert(config->interactive >= 0);

assert(config->optimization_level >= 0);

assert(config->parser_debug >= 0);

assert(config->write_bytecode >= 0);

assert(config->verbose >= 0);

assert(config->quiet >= 0);

assert(config->user_site_directory >= 0);

assert(config->parse_argv >= 0);

assert(config->configure_c_stdio >= 0);

assert(config->buffered_stdio >= 0);

assert(_PyWideStringList_CheckConsistency(&config->orig_argv));

assert(_PyWideStringList_CheckConsistency(&config->argv));

/* sys.argv must be non-empty: empty argv is replaced with [''] */

assert(config->argv.length >= 1);

assert(_PyWideStringList_CheckConsistency(&config->xoptions));

assert(_PyWideStringList_CheckConsistency(&config->warnoptions));

assert(_PyWideStringList_CheckConsistency(&config->module_search_paths));

assert(config->module_search_paths_set >= 0);

assert(config->filesystem_encoding != NULL);

assert(config->filesystem_errors != NULL);

assert(config->stdio_encoding != NULL);

assert(config->stdio_errors != NULL);

#ifdef MS_WINDOWS

assert(config->legacy_windows_stdio >= 0);

/* -c and -m options are exclusive */

assert(!(config->run_command != NULL && config->run_module != NULL));

assert(config->check_hash_pycs_mode != NULL);

assert(config->_install_importlib >= 0);

assert(config->pathconfig_warnings >= 0);

assert(config->_is_python_build >= 0);

assert(config->safe_path >= 0);

assert(config->int_max_str_digits >= 0);

// cpu_count can be -1 if the user doesn't override it.

assert(config->cpu_count != 0);

// config->use_frozen_modules is initialized later

// by _PyConfig_InitImportConfig().

#ifdef Py_STATS

assert(config->_pystats >= 0);

return 1;

}

PyConfig_Clear(PyConfig *config)

{

#define CLEAR(ATTR) \

do { \

PyMem_RawFree(ATTR); \

ATTR = NULL; \

} while (0)

CLEAR(config->pycache_prefix);

CLEAR(config->pythonpath_env);

CLEAR(config->home);

CLEAR(config->program_name);

_PyWideStringList_Clear(&config->argv);

_PyWideStringList_Clear(&config->warnoptions);

_PyWideStringList_Clear(&config->xoptions);

_PyWideStringList_Clear(&config->module_search_paths);

config->module_search_paths_set = 0;

CLEAR(config->stdlib_dir);

CLEAR(config->executable);

CLEAR(config->base_executable);

CLEAR(config->prefix);

CLEAR(config->base_prefix);

CLEAR(config->exec_prefix);

CLEAR(config->base_exec_prefix);

CLEAR(config->platlibdir);

CLEAR(config->sys_path_0);

CLEAR(config->filesystem_encoding);

CLEAR(config->filesystem_errors);

CLEAR(config->stdio_encoding);

CLEAR(config->stdio_errors);

CLEAR(config->run_command);

CLEAR(config->run_module);

CLEAR(config->run_filename);

CLEAR(config->check_hash_pycs_mode);

#ifdef Py_DEBUG

CLEAR(config->run_presite);

_PyWideStringList_Clear(&config->orig_argv);

#undef CLEAR

}

_PyConfig_InitCompatConfig(PyConfig *config)

{

memset(config, 0, sizeof(*config));

config->_config_init = (int)_PyConfig_INIT_COMPAT;

config->isolated = -1;

config->use_environment = -1;

config->dev_mode = -1;

config->install_signal_handlers = 1;

config->use_hash_seed = -1;

config->faulthandler = -1;

config->tracemalloc = -1;

config->perf_profiling = -1;

config->module_search_paths_set = 0;

config->parse_argv = 0;

config->site_import = -1;

config->bytes_warning = -1;

config->warn_default_encoding = 0;

config->inspect = -1;

config->interactive = -1;

config->optimization_level = -1;

config->parser_debug= -1;

config->write_bytecode = -1;

config->verbose = -1;

config->quiet = -1;

config->user_site_directory = -1;

config->configure_c_stdio = 0;

config->buffered_stdio = -1;

config->_install_importlib = 1;

config->check_hash_pycs_mode = NULL;

config->pathconfig_warnings = -1;

config->_init_main = 1;

#ifdef MS_WINDOWS

config->legacy_windows_stdio = -1;

#ifdef Py_DEBUG

config->use_frozen_modules = 0;

config->use_frozen_modules = 1;

config->safe_path = 0;

config->int_max_str_digits = -1;

config->_is_python_build = 0;

config->code_debug_ranges = 1;

config->cpu_count = -1;

#ifdef Py_GIL_DISABLED

config->enable_gil = _PyConfig_GIL_DEFAULT;

}

static void

config_init_defaults(PyConfig *config)

{

_PyConfig_InitCompatConfig(config);

config->isolated = 0;

config->use_environment = 1;

config->site_import = 1;

config->bytes_warning = 0;

config->inspect = 0;

config->interactive = 0;

config->optimization_level = 0;

config->parser_debug= 0;

config->write_bytecode = 1;

config->verbose = 0;