/*[clinic input]

preserve

[clinic start generated code]*/

#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)

#  include "pycore_runtime.h"     // _Py_SINGLETON()

#endif

#include "pycore_abstract.h"      // _Py_convert_optional_to_ssize_t()

#include "pycore_modsupport.h"    // _PyArg_UnpackKeywords()

PyDoc_STRVAR(_io__IOBase_seek__doc__,

"seek($self, offset, whence=os.SEEK_SET, /)\n"

"--\n"

"\n"

"Change the stream position to the given byte offset.\n"

"\n"

"  offset\n"

"    The stream position, relative to \'whence\'.\n"

"  whence\n"

"    The relative position to seek from.\n"

"\n"

"The offset is interpreted relative to the position indicated by\n"

"whence.  Values for whence are:\n"

"\n"

"* os.SEEK_SET or 0 -- start of stream (the default); offset should\n"

"  be zero or positive\n"

"* os.SEEK_CUR or 1 -- current stream position; offset may be\n"

"  negative\n"

"* os.SEEK_END or 2 -- end of stream; offset is usually negative\n"

"\n"

"Return the new absolute position.");

#define _IO__IOBASE_SEEK_METHODDEF    \

    {"seek", _PyCFunction_CAST(_io__IOBase_seek), METH_METHOD|METH_FASTCALL|METH_KEYWORDS, _io__IOBase_seek__doc__},

static PyObject *

_io__IOBase_seek_impl(PyObject *self, PyTypeObject *cls,

                      int Py_UNUSED(offset), int Py_UNUSED(whence));

static PyObject *

_io__IOBase_seek(PyObject *self, PyTypeObject *cls, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)

{

    PyObject *return_value = NULL;

    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)

    #  define KWTUPLE (PyObject *)&_Py_SINGLETON(tuple_empty)

    #else

    #  define KWTUPLE NULL

    #endif

    static const char * const _keywords[] = {"", "", NULL};

    static _PyArg_Parser _parser = {

        .keywords = _keywords,

        .fname = "seek",

        .kwtuple = KWTUPLE,

    };

    #undef KWTUPLE

    PyObject *argsbuf[2];

    int offset;

    int whence = 0;

    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,

            /*minpos*/ 1, /*maxpos*/ 2, /*minkw*/ 0, /*varpos*/ 0, argsbuf);

    if (!args) {

        goto exit;

    }

    offset = PyLong_AsInt(args[0]);

    if (offset == -1 && PyErr_Occurred()) {

        goto exit;

    }

    if (nargs < 2) {

        goto skip_optional_posonly;

    }

    whence = PyLong_AsInt(args[1]);

    if (whence == -1 && PyErr_Occurred()) {

        goto exit;

    }

skip_optional_posonly:

    return_value = _io__IOBase_seek_impl(self, cls, offset, whence);

exit:

    return return_value;

}

PyDoc_STRVAR(_io__IOBase_tell__doc__,

"tell($self, /)\n"

"--\n"

"\n"

"Return current stream position.");

#define _IO__IOBASE_TELL_METHODDEF    \

    {"tell", (PyCFunction)_io__IOBase_tell, METH_NOARGS, _io__IOBase_tell__doc__},

static PyObject *

_io__IOBase_tell_impl(PyObject *self);

static PyObject *

_io__IOBase_tell(PyObject *self, PyObject *Py_UNUSED(ignored))

{

    return _io__IOBase_tell_impl(self);

}

PyDoc_STRVAR(_io__IOBase_truncate__doc__,

"truncate($self, size=None, /)\n"

"--\n"

"\n"

"Truncate file to size bytes.\n"

"\n"

"File pointer is left unchanged.  Size defaults to the current IO\n"

"position as reported by tell().  Return the new size.");

#define _IO__IOBASE_TRUNCATE_METHODDEF    \

    {"truncate", _PyCFunction_CAST(_io__IOBase_truncate), METH_METHOD|METH_FASTCALL|METH_KEYWORDS, _io__IOBase_truncate__doc__},

static PyObject *

_io__IOBase_truncate_impl(PyObject *self, PyTypeObject *cls,

                          PyObject *Py_UNUSED(size));

static PyObject *

_io__IOBase_truncate(PyObject *self, PyTypeObject *cls, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)

{

    PyObject *return_value = NULL;

    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)

    #  define KWTUPLE (PyObject *)&_Py_SINGLETON(tuple_empty)

    #else

    #  define KWTUPLE NULL

    #endif

    static const char * const _keywords[] = {"", NULL};

    static _PyArg_Parser _parser = {

        .keywords = _keywords,

        .fname = "truncate",

        .kwtuple = KWTUPLE,

    };

    #undef KWTUPLE

    PyObject *argsbuf[1];

    PyObject *size = Py_None;

    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,

            /*minpos*/ 0, /*maxpos*/ 1, /*minkw*/ 0, /*varpos*/ 0, argsbuf);

    if (!args) {

        goto exit;

    }

    if (nargs < 1) {

        goto skip_optional_posonly;

    }

    size = args[0];

skip_optional_posonly:

    return_value = _io__IOBase_truncate_impl(self, cls, size);

exit:

    return return_value;

}

PyDoc_STRVAR(_io__IOBase_flush__doc__,

"flush($self, /)\n"

"--\n"

"\n"

"Flush write buffers, if applicable.\n"

"\n"

"This is not implemented for read-only and non-blocking streams.");

#define _IO__IOBASE_FLUSH_METHODDEF    \

    {"flush", (PyCFunction)_io__IOBase_flush, METH_NOARGS, _io__IOBase_flush__doc__},

static PyObject *

_io__IOBase_flush_impl(PyObject *self);

static PyObject *

_io__IOBase_flush(PyObject *self, PyObject *Py_UNUSED(ignored))

{

    return _io__IOBase_flush_impl(self);

}

PyDoc_STRVAR(_io__IOBase_close__doc__,

"close($self, /)\n"

"--\n"

"\n"

"Flush and close the IO object.\n"

"\n"

"This method has no effect if the file is already closed.");

#define _IO__IOBASE_CLOSE_METHODDEF    \

    {"close", (PyCFunction)_io__IOBase_close, METH_NOARGS, _io__IOBase_close__doc__},

static PyObject *

_io__IOBase_close_impl(PyObject *self);

static PyObject *

_io__IOBase_close(PyObject *self, PyObject *Py_UNUSED(ignored))

{

    return _io__IOBase_close_impl(self);

}

PyDoc_STRVAR(_io__IOBase_seekable__doc__,

"seekable($self, /)\n"

"--\n"

"\n"

"Return whether object supports random access.\n"

"\n"

"If False, seek(), tell() and truncate() will raise OSError.\n"

"This method may need to do a test seek().");

#define _IO__IOBASE_SEEKABLE_METHODDEF    \

    {"seekable", (PyCFunction)_io__IOBase_seekable, METH_NOARGS, _io__IOBase_seekable__doc__},

static PyObject *

_io__IOBase_seekable_impl(PyObject *self);

static PyObject *

_io__IOBase_seekable(PyObject *self, PyObject *Py_UNUSED(ignored))

{

    return _io__IOBase_seekable_impl(self);

}

PyDoc_STRVAR(_io__IOBase_readable__doc__,

"readable($self, /)\n"

"--\n"

"\n"

"Return whether object was opened for reading.\n"

"\n"

"If False, read() will raise OSError.");

#define _IO__IOBASE_READABLE_METHODDEF    \

    {"readable", (PyCFunction)_io__IOBase_readable, METH_NOARGS, _io__IOBase_readable__doc__},

static PyObject *

_io__IOBase_readable_impl(PyObject *self);

static PyObject *

_io__IOBase_readable(PyObject *self, PyObject *Py_UNUSED(ignored))

{

    return _io__IOBase_readable_impl(self);

}

PyDoc_STRVAR(_io__IOBase_writable__doc__,

"writable($self, /)\n"

"--\n"

"\n"

"Return whether object was opened for writing.\n"

"\n"

"If False, write() will raise OSError.");

#define _IO__IOBASE_WRITABLE_METHODDEF    \

    {"writable", (PyCFunction)_io__IOBase_writable, METH_NOARGS, _io__IOBase_writable__doc__},

static PyObject *

_io__IOBase_writable_impl(PyObject *self);

static PyObject *

_io__IOBase_writable(PyObject *self, PyObject *Py_UNUSED(ignored))

{

    return _io__IOBase_writable_impl(self);

}

PyDoc_STRVAR(_io__IOBase_fileno__doc__,

"fileno($self, /)\n"

"--\n"

"\n"

"Return underlying file descriptor if one exists.\n"

"\n"

"Raise OSError if the IO object does not use a file descriptor.");

#define _IO__IOBASE_FILENO_METHODDEF    \

    {"fileno", _PyCFunction_CAST(_io__IOBase_fileno), METH_METHOD|METH_FASTCALL|METH_KEYWORDS, _io__IOBase_fileno__doc__},

static PyObject *

_io__IOBase_fileno_impl(PyObject *self, PyTypeObject *cls);

static PyObject *

_io__IOBase_fileno(PyObject *self, PyTypeObject *cls, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)

{

    if (nargs || (kwnames && PyTuple_GET_SIZE(kwnames))) {

        PyErr_SetString(PyExc_TypeError, "fileno() takes no arguments");

        return NULL;

    }

    return _io__IOBase_fileno_impl(self, cls);

}

PyDoc_STRVAR(_io__IOBase_isatty__doc__,

"isatty($self, /)\n"

"--\n"

"\n"

"Return whether this is an \'interactive\' stream.\n"

"\n"

"Return False if it can\'t be determined.");

#define _IO__IOBASE_ISATTY_METHODDEF    \

    {"isatty", (PyCFunction)_io__IOBase_isatty, METH_NOARGS, _io__IOBase_isatty__doc__},

static PyObject *

_io__IOBase_isatty_impl(PyObject *self);

static PyObject *

_io__IOBase_isatty(PyObject *self, PyObject *Py_UNUSED(ignored))

{

    return _io__IOBase_isatty_impl(self);

}

PyDoc_STRVAR(_io__IOBase_readline__doc__,

"readline($self, size=-1, /)\n"

"--\n"

"\n"

"Read and return a line from the stream.\n"

"\n"

"If size is specified, at most size bytes will be read.\n"

"\n"

"The line terminator is always b\'\\n\' for binary files; for text\n"

"files, the newlines argument to open can be used to select the line\n"

"terminator(s) recognized.");

#define _IO__IOBASE_READLINE_METHODDEF    \

    {"readline", _PyCFunction_CAST(_io__IOBase_readline), METH_FASTCALL, _io__IOBase_readline__doc__},

static PyObject *

_io__IOBase_readline_impl(PyObject *self, Py_ssize_t limit);

static PyObject *

_io__IOBase_readline(PyObject *self, PyObject *const *args, Py_ssize_t nargs)

{

    PyObject *return_value = NULL;

    Py_ssize_t limit = -1;

    if (!_PyArg_CheckPositional("readline", nargs, 0, 1)) {

        goto exit;

    }

    if (nargs < 1) {

        goto skip_optional;

    }

    if (!_Py_convert_optional_to_ssize_t(args[0], &limit)) {

        goto exit;

    }

skip_optional:

    return_value = _io__IOBase_readline_impl(self, limit);

exit:

    return return_value;

}

PyDoc_STRVAR(_io__IOBase_readlines__doc__,

"readlines($self, hint=-1, /)\n"

"--\n"

"\n"

"Return a list of lines from the stream.\n"

"\n"

"hint can be specified to control the number of lines read: no more\n"

"lines will be read if the total size (in bytes/characters) of all\n"

"lines so far exceeds hint.");

#define _IO__IOBASE_READLINES_METHODDEF    \

    {"readlines", _PyCFunction_CAST(_io__IOBase_readlines), METH_FASTCALL, _io__IOBase_readlines__doc__},

static PyObject *

_io__IOBase_readlines_impl(PyObject *self, Py_ssize_t hint);

static PyObject *

_io__IOBase_readlines(PyObject *self, PyObject *const *args, Py_ssize_t nargs)

{

    PyObject *return_value = NULL;

    Py_ssize_t hint = -1;

    if (!_PyArg_CheckPositional("readlines", nargs, 0, 1)) {

        goto exit;

    }

    if (nargs < 1) {

        goto skip_optional;

    }

    if (!_Py_convert_optional_to_ssize_t(args[0], &hint)) {

        goto exit;

    }

skip_optional:

    return_value = _io__IOBase_readlines_impl(self, hint);

exit:

    return return_value;

}

PyDoc_STRVAR(_io__IOBase_writelines__doc__,

"writelines($self, lines, /)\n"

"--\n"

"\n"

"Write a list of lines to stream.\n"

"\n"

"Line separators are not added, so it is usual for each of the\n"

"lines provided to have a line separator at the end.");

#define _IO__IOBASE_WRITELINES_METHODDEF    \

    {"writelines", (PyCFunction)_io__IOBase_writelines, METH_O, _io__IOBase_writelines__doc__},

PyDoc_STRVAR(_io__RawIOBase_read__doc__,

"read($self, size=-1, /)\n"

"--\n"

"\n");

#define _IO__RAWIOBASE_READ_METHODDEF    \

    {"read", _PyCFunction_CAST(_io__RawIOBase_read), METH_FASTCALL, _io__RawIOBase_read__doc__},

static PyObject *

_io__RawIOBase_read_impl(PyObject *self, Py_ssize_t n);

static PyObject *

_io__RawIOBase_read(PyObject *self, PyObject *const *args, Py_ssize_t nargs)

{

    PyObject *return_value = NULL;

    Py_ssize_t n = -1;

    if (!_PyArg_CheckPositional("read", nargs, 0, 1)) {

        goto exit;

    }

    if (nargs < 1) {

        goto skip_optional;

    }

    {

        Py_ssize_t ival = -1;

        PyObject *iobj = _PyNumber_Index(args[0]);

        if (iobj != NULL) {

            ival = PyLong_AsSsize_t(iobj);

            Py_DECREF(iobj);

        }

        if (ival == -1 && PyErr_Occurred()) {

            goto exit;

        }

        n = ival;

    }

skip_optional:

    return_value = _io__RawIOBase_read_impl(self, n);

exit:

    return return_value;

}

PyDoc_STRVAR(_io__RawIOBase_readall__doc__,

"readall($self, /)\n"

"--\n"

"\n"

"Read until EOF, using multiple read() call.");

#define _IO__RAWIOBASE_READALL_METHODDEF    \

    {"readall", (PyCFunction)_io__RawIOBase_readall, METH_NOARGS, _io__RawIOBase_readall__doc__},

static PyObject *

_io__RawIOBase_readall_impl(PyObject *self);

static PyObject *

_io__RawIOBase_readall(PyObject *self, PyObject *Py_UNUSED(ignored))

{

    return _io__RawIOBase_readall_impl(self);

}

/*[clinic end generated code: output=28c06bb6db32c096 input=a9049054013a1b77]*/