mirror of
https://github.com/python/cpython.git
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d4e64cd4b0
This makes ntpath.abspath()/getpath_abspath() follow normpath(), since some WinAPIs such as PathCchSkipRoot() require backslashed paths.
275 lines
7.1 KiB
C
275 lines
7.1 KiB
C
#ifndef Py_INTERNAL_FILEUTILS_H
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#define Py_INTERNAL_FILEUTILS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef Py_BUILD_CORE
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# error "Py_BUILD_CORE must be defined to include this header"
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#endif
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#include <locale.h> /* struct lconv */
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typedef enum {
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_Py_ERROR_UNKNOWN=0,
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_Py_ERROR_STRICT,
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_Py_ERROR_SURROGATEESCAPE,
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_Py_ERROR_REPLACE,
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_Py_ERROR_IGNORE,
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_Py_ERROR_BACKSLASHREPLACE,
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_Py_ERROR_SURROGATEPASS,
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_Py_ERROR_XMLCHARREFREPLACE,
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_Py_ERROR_OTHER
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} _Py_error_handler;
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PyAPI_FUNC(_Py_error_handler) _Py_GetErrorHandler(const char *errors);
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PyAPI_FUNC(int) _Py_DecodeLocaleEx(
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const char *arg,
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wchar_t **wstr,
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size_t *wlen,
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const char **reason,
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int current_locale,
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_Py_error_handler errors);
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PyAPI_FUNC(int) _Py_EncodeLocaleEx(
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const wchar_t *text,
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char **str,
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size_t *error_pos,
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const char **reason,
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int current_locale,
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_Py_error_handler errors);
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PyAPI_FUNC(char*) _Py_EncodeLocaleRaw(
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const wchar_t *text,
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size_t *error_pos);
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PyAPI_FUNC(PyObject *) _Py_device_encoding(int);
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#if defined(MS_WINDOWS) || defined(__APPLE__)
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/* On Windows, the count parameter of read() is an int (bpo-9015, bpo-9611).
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On macOS 10.13, read() and write() with more than INT_MAX bytes
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fail with EINVAL (bpo-24658). */
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# define _PY_READ_MAX INT_MAX
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# define _PY_WRITE_MAX INT_MAX
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#else
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/* write() should truncate the input to PY_SSIZE_T_MAX bytes,
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but it's safer to do it ourself to have a portable behaviour */
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# define _PY_READ_MAX PY_SSIZE_T_MAX
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# define _PY_WRITE_MAX PY_SSIZE_T_MAX
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#endif
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#ifdef MS_WINDOWS
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struct _Py_stat_struct {
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unsigned long st_dev;
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uint64_t st_ino;
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unsigned short st_mode;
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int st_nlink;
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int st_uid;
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int st_gid;
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unsigned long st_rdev;
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__int64 st_size;
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time_t st_atime;
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int st_atime_nsec;
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time_t st_mtime;
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int st_mtime_nsec;
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time_t st_ctime;
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int st_ctime_nsec;
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unsigned long st_file_attributes;
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unsigned long st_reparse_tag;
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};
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#else
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# define _Py_stat_struct stat
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#endif
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PyAPI_FUNC(int) _Py_fstat(
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int fd,
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struct _Py_stat_struct *status);
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PyAPI_FUNC(int) _Py_fstat_noraise(
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int fd,
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struct _Py_stat_struct *status);
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PyAPI_FUNC(int) _Py_stat(
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PyObject *path,
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struct stat *status);
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PyAPI_FUNC(int) _Py_open(
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const char *pathname,
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int flags);
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PyAPI_FUNC(int) _Py_open_noraise(
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const char *pathname,
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int flags);
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PyAPI_FUNC(FILE *) _Py_wfopen(
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const wchar_t *path,
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const wchar_t *mode);
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PyAPI_FUNC(Py_ssize_t) _Py_read(
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int fd,
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void *buf,
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size_t count);
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PyAPI_FUNC(Py_ssize_t) _Py_write(
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int fd,
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const void *buf,
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size_t count);
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PyAPI_FUNC(Py_ssize_t) _Py_write_noraise(
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int fd,
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const void *buf,
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size_t count);
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#ifdef HAVE_READLINK
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PyAPI_FUNC(int) _Py_wreadlink(
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const wchar_t *path,
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wchar_t *buf,
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/* Number of characters of 'buf' buffer
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including the trailing NUL character */
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size_t buflen);
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#endif
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#ifdef HAVE_REALPATH
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PyAPI_FUNC(wchar_t*) _Py_wrealpath(
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const wchar_t *path,
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wchar_t *resolved_path,
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/* Number of characters of 'resolved_path' buffer
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including the trailing NUL character */
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size_t resolved_path_len);
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#endif
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PyAPI_FUNC(wchar_t*) _Py_wgetcwd(
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wchar_t *buf,
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/* Number of characters of 'buf' buffer
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including the trailing NUL character */
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size_t buflen);
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PyAPI_FUNC(int) _Py_get_inheritable(int fd);
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PyAPI_FUNC(int) _Py_set_inheritable(int fd, int inheritable,
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int *atomic_flag_works);
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PyAPI_FUNC(int) _Py_set_inheritable_async_safe(int fd, int inheritable,
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int *atomic_flag_works);
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PyAPI_FUNC(int) _Py_dup(int fd);
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#ifndef MS_WINDOWS
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PyAPI_FUNC(int) _Py_get_blocking(int fd);
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PyAPI_FUNC(int) _Py_set_blocking(int fd, int blocking);
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#else /* MS_WINDOWS */
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PyAPI_FUNC(void*) _Py_get_osfhandle_noraise(int fd);
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PyAPI_FUNC(void*) _Py_get_osfhandle(int fd);
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PyAPI_FUNC(int) _Py_open_osfhandle_noraise(void *handle, int flags);
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PyAPI_FUNC(int) _Py_open_osfhandle(void *handle, int flags);
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#endif /* MS_WINDOWS */
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// This is used after getting NULL back from Py_DecodeLocale().
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#define DECODE_LOCALE_ERR(NAME, LEN) \
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((LEN) == (size_t)-2) \
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? _PyStatus_ERR("cannot decode " NAME) \
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: _PyStatus_NO_MEMORY()
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PyAPI_DATA(int) _Py_HasFileSystemDefaultEncodeErrors;
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PyAPI_FUNC(int) _Py_DecodeUTF8Ex(
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const char *arg,
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Py_ssize_t arglen,
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wchar_t **wstr,
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size_t *wlen,
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const char **reason,
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_Py_error_handler errors);
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PyAPI_FUNC(int) _Py_EncodeUTF8Ex(
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const wchar_t *text,
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char **str,
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size_t *error_pos,
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const char **reason,
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int raw_malloc,
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_Py_error_handler errors);
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PyAPI_FUNC(wchar_t*) _Py_DecodeUTF8_surrogateescape(
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const char *arg,
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Py_ssize_t arglen,
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size_t *wlen);
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extern int
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_Py_wstat(const wchar_t *, struct stat *);
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PyAPI_FUNC(int) _Py_GetForceASCII(void);
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/* Reset "force ASCII" mode (if it was initialized).
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This function should be called when Python changes the LC_CTYPE locale,
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so the "force ASCII" mode can be detected again on the new locale
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encoding. */
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PyAPI_FUNC(void) _Py_ResetForceASCII(void);
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PyAPI_FUNC(int) _Py_GetLocaleconvNumeric(
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struct lconv *lc,
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PyObject **decimal_point,
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PyObject **thousands_sep);
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PyAPI_FUNC(void) _Py_closerange(int first, int last);
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PyAPI_FUNC(wchar_t*) _Py_GetLocaleEncoding(void);
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PyAPI_FUNC(PyObject*) _Py_GetLocaleEncodingObject(void);
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#ifdef HAVE_NON_UNICODE_WCHAR_T_REPRESENTATION
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extern int _Py_LocaleUsesNonUnicodeWchar(void);
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extern wchar_t* _Py_DecodeNonUnicodeWchar(
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const wchar_t* native,
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Py_ssize_t size);
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extern int _Py_EncodeNonUnicodeWchar_InPlace(
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wchar_t* unicode,
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Py_ssize_t size);
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#endif
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extern int _Py_isabs(const wchar_t *path);
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extern int _Py_abspath(const wchar_t *path, wchar_t **abspath_p);
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#ifdef MS_WINDOWS
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extern int _PyOS_getfullpathname(const wchar_t *path, wchar_t **abspath_p);
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#endif
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extern wchar_t * _Py_join_relfile(const wchar_t *dirname,
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const wchar_t *relfile);
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extern int _Py_add_relfile(wchar_t *dirname,
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const wchar_t *relfile,
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size_t bufsize);
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extern size_t _Py_find_basename(const wchar_t *filename);
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PyAPI_FUNC(wchar_t *) _Py_normpath(wchar_t *path, Py_ssize_t size);
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// Macros to protect CRT calls against instant termination when passed an
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// invalid parameter (bpo-23524). IPH stands for Invalid Parameter Handler.
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// Usage:
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//
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// _Py_BEGIN_SUPPRESS_IPH
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// ...
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// _Py_END_SUPPRESS_IPH
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#if defined _MSC_VER && _MSC_VER >= 1900
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# include <stdlib.h> // _set_thread_local_invalid_parameter_handler()
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extern _invalid_parameter_handler _Py_silent_invalid_parameter_handler;
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# define _Py_BEGIN_SUPPRESS_IPH \
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{ _invalid_parameter_handler _Py_old_handler = \
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_set_thread_local_invalid_parameter_handler(_Py_silent_invalid_parameter_handler);
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# define _Py_END_SUPPRESS_IPH \
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_set_thread_local_invalid_parameter_handler(_Py_old_handler); }
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#else
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# define _Py_BEGIN_SUPPRESS_IPH
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# define _Py_END_SUPPRESS_IPH
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#endif /* _MSC_VER >= 1900 */
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_INTERNAL_FILEUTILS_H */
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