projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 7eb75bcc DM |
1 | /*\r |
| 2 | * Declarations shared between the different parts of the io module\r | |
| 3 | */\r | |
| 4 | \r | |
| 5 | /* ABCs */\r | |
| 6 | extern PyTypeObject PyIOBase_Type;\r | |
| 7 | extern PyTypeObject PyRawIOBase_Type;\r | |
| 8 | extern PyTypeObject PyBufferedIOBase_Type;\r | |
| 9 | extern PyTypeObject PyTextIOBase_Type;\r | |
| 10 | \r | |
| 11 | /* Concrete classes */\r | |
| 12 | extern PyTypeObject PyFileIO_Type;\r | |
| 13 | extern PyTypeObject PyBytesIO_Type;\r | |
| 14 | extern PyTypeObject PyStringIO_Type;\r | |
| 15 | extern PyTypeObject PyBufferedReader_Type;\r | |
| 16 | extern PyTypeObject PyBufferedWriter_Type;\r | |
| 17 | extern PyTypeObject PyBufferedRWPair_Type;\r | |
| 18 | extern PyTypeObject PyBufferedRandom_Type;\r | |
| 19 | extern PyTypeObject PyTextIOWrapper_Type;\r | |
| 20 | extern PyTypeObject PyIncrementalNewlineDecoder_Type;\r | |
| 21 | \r | |
| 22 | \r | |
| 23 | extern int _PyIO_ConvertSsize_t(PyObject *, void *);\r | |
| 24 | \r | |
| 25 | /* These functions are used as METH_NOARGS methods, are normally called\r | |
| 26 | * with args=NULL, and return a new reference.\r | |
| 27 | * BUT when args=Py_True is passed, they return a borrowed reference.\r | |
| 28 | */\r | |
| 29 | extern PyObject* _PyIOBase_check_readable(PyObject *self, PyObject *args);\r | |
| 30 | extern PyObject* _PyIOBase_check_writable(PyObject *self, PyObject *args);\r | |
| 31 | extern PyObject* _PyIOBase_check_seekable(PyObject *self, PyObject *args);\r | |
| 32 | extern PyObject* _PyIOBase_check_closed(PyObject *self, PyObject *args);\r | |
| 33 | \r | |
| 34 | /* Helper for finalization.\r | |
| 35 | This function will revive an object ready to be deallocated and try to\r | |
| 36 | close() it. It returns 0 if the object can be destroyed, or -1 if it\r | |
| 37 | is alive again. */\r | |
| 38 | extern int _PyIOBase_finalize(PyObject *self);\r | |
| 39 | \r | |
| 40 | /* Returns true if the given FileIO object is closed.\r | |
| 41 | Doesn't check the argument type, so be careful! */\r | |
| 42 | extern int _PyFileIO_closed(PyObject *self);\r | |
| 43 | \r | |
| 44 | /* Shortcut to the core of the IncrementalNewlineDecoder.decode method */\r | |
| 45 | extern PyObject *_PyIncrementalNewlineDecoder_decode(\r | |
| 46 | PyObject *self, PyObject *input, int final);\r | |
| 47 | \r | |
| 48 | /* Finds the first line ending between `start` and `end`.\r | |
| 49 | If found, returns the index after the line ending and doesn't touch\r | |
| 50 | `*consumed`.\r | |
| 51 | If not found, returns -1 and sets `*consumed` to the number of characters\r | |
| 52 | which can be safely put aside until another search.\r | |
| 53 | \r | |
| 54 | NOTE: for performance reasons, `end` must point to a NUL character ('\0'). \r | |
| 55 | Otherwise, the function will scan further and return garbage. */\r | |
| 56 | extern Py_ssize_t _PyIO_find_line_ending(\r | |
| 57 | int translated, int universal, PyObject *readnl,\r | |
| 58 | Py_UNICODE *start, Py_UNICODE *end, Py_ssize_t *consumed);\r | |
| 59 | \r | |
| 60 | /* Return 1 if an EnvironmentError with errno == EINTR is set (and then\r | |
| 61 | clears the error indicator), 0 otherwise.\r | |
| 62 | Should only be called when PyErr_Occurred() is true.\r | |
| 63 | */\r | |
| 64 | extern int _PyIO_trap_eintr(void);\r | |
| 65 | \r | |
| 66 | #define DEFAULT_BUFFER_SIZE (8 * 1024) /* bytes */\r | |
| 67 | \r | |
| 68 | typedef struct {\r | |
| 69 | /* This is the equivalent of PyException_HEAD in 3.x */\r | |
| 70 | PyObject_HEAD\r | |
| 71 | PyObject *dict;\r | |
| 72 | PyObject *args;\r | |
| 73 | PyObject *message;\r | |
| 74 | \r | |
| 75 | PyObject *myerrno;\r | |
| 76 | PyObject *strerror;\r | |
| 77 | PyObject *filename; /* Not used, but part of the IOError object */\r | |
| 78 | Py_ssize_t written;\r | |
| 79 | } PyBlockingIOErrorObject;\r | |
| 80 | extern PyObject *PyExc_BlockingIOError;\r | |
| 81 | \r | |
| 82 | /*\r | |
| 83 | * Offset type for positioning.\r | |
| 84 | */\r | |
| 85 | \r | |
| 86 | /* Printing a variable of type off_t (with e.g., PyString_FromFormat)\r | |
| 87 | correctly and without producing compiler warnings is surprisingly painful.\r | |
| 88 | We identify an integer type whose size matches off_t and then: (1) cast the\r | |
| 89 | off_t to that integer type and (2) use the appropriate conversion\r | |
| 90 | specification. The cast is necessary: gcc complains about formatting a\r | |
| 91 | long with "%lld" even when both long and long long have the same\r | |
| 92 | precision. */\r | |
| 93 | \r | |
| 94 | #if defined(MS_WIN64) || defined(MS_WINDOWS)\r | |
| 95 | \r | |
| 96 | /* Windows uses long long for offsets */\r | |
| 97 | typedef PY_LONG_LONG Py_off_t;\r | |
| 98 | # define PyLong_AsOff_t PyLong_AsLongLong\r | |
| 99 | # define PyLong_FromOff_t PyLong_FromLongLong\r | |
| 100 | # define PY_OFF_T_MAX PY_LLONG_MAX\r | |
| 101 | # define PY_OFF_T_MIN PY_LLONG_MIN\r | |
| 102 | # define PY_OFF_T_COMPAT PY_LONG_LONG /* type compatible with off_t */\r | |
| 103 | # define PY_PRIdOFF "lld" /* format to use for that type */\r | |
| 104 | \r | |
| 105 | #else\r | |
| 106 | \r | |
| 107 | /* Other platforms use off_t */\r | |
| 108 | typedef off_t Py_off_t;\r | |
| 109 | #if (SIZEOF_OFF_T == SIZEOF_SIZE_T)\r | |
| 110 | # define PyLong_AsOff_t PyLong_AsSsize_t\r | |
| 111 | # define PyLong_FromOff_t PyLong_FromSsize_t\r | |
| 112 | # define PY_OFF_T_MAX PY_SSIZE_T_MAX\r | |
| 113 | # define PY_OFF_T_MIN PY_SSIZE_T_MIN\r | |
| 114 | # define PY_OFF_T_COMPAT Py_ssize_t\r | |
| 115 | # define PY_PRIdOFF "zd"\r | |
| 116 | #elif (HAVE_LONG_LONG && SIZEOF_OFF_T == SIZEOF_LONG_LONG)\r | |
| 117 | # define PyLong_AsOff_t PyLong_AsLongLong\r | |
| 118 | # define PyLong_FromOff_t PyLong_FromLongLong\r | |
| 119 | # define PY_OFF_T_MAX PY_LLONG_MAX\r | |
| 120 | # define PY_OFF_T_MIN PY_LLONG_MIN\r | |
| 121 | # define PY_OFF_T_COMPAT PY_LONG_LONG\r | |
| 122 | # define PY_PRIdOFF "lld"\r | |
| 123 | #elif (SIZEOF_OFF_T == SIZEOF_LONG)\r | |
| 124 | # define PyLong_AsOff_t PyLong_AsLong\r | |
| 125 | # define PyLong_FromOff_t PyLong_FromLong\r | |
| 126 | # define PY_OFF_T_MAX LONG_MAX\r | |
| 127 | # define PY_OFF_T_MIN LONG_MIN\r | |
| 128 | # define PY_OFF_T_COMPAT long\r | |
| 129 | # define PY_PRIdOFF "ld"\r | |
| 130 | #else\r | |
| 131 | # error off_t does not match either size_t, long, or long long!\r | |
| 132 | #endif\r | |
| 133 | \r | |
| 134 | #endif\r | |
| 135 | \r | |
| 136 | extern Py_off_t PyNumber_AsOff_t(PyObject *item, PyObject *err);\r | |
| 137 | \r | |
| 138 | /* Implementation details */\r | |
| 139 | \r | |
| 140 | extern PyObject *_PyIO_os_module;\r | |
| 141 | extern PyObject *_PyIO_locale_module;\r | |
| 142 | extern PyObject *_PyIO_unsupported_operation;\r | |
| 143 | \r | |
| 144 | extern PyObject *_PyIO_str_close;\r | |
| 145 | extern PyObject *_PyIO_str_closed;\r | |
| 146 | extern PyObject *_PyIO_str_decode;\r | |
| 147 | extern PyObject *_PyIO_str_encode;\r | |
| 148 | extern PyObject *_PyIO_str_fileno;\r | |
| 149 | extern PyObject *_PyIO_str_flush;\r | |
| 150 | extern PyObject *_PyIO_str_getstate;\r | |
| 151 | extern PyObject *_PyIO_str_isatty;\r | |
| 152 | extern PyObject *_PyIO_str_newlines;\r | |
| 153 | extern PyObject *_PyIO_str_nl;\r | |
| 154 | extern PyObject *_PyIO_str_read;\r | |
| 155 | extern PyObject *_PyIO_str_read1;\r | |
| 156 | extern PyObject *_PyIO_str_readable;\r | |
| 157 | extern PyObject *_PyIO_str_readinto;\r | |
| 158 | extern PyObject *_PyIO_str_readline;\r | |
| 159 | extern PyObject *_PyIO_str_reset;\r | |
| 160 | extern PyObject *_PyIO_str_seek;\r | |
| 161 | extern PyObject *_PyIO_str_seekable;\r | |
| 162 | extern PyObject *_PyIO_str_setstate;\r | |
| 163 | extern PyObject *_PyIO_str_tell;\r | |
| 164 | extern PyObject *_PyIO_str_truncate;\r | |
| 165 | extern PyObject *_PyIO_str_writable;\r | |
| 166 | extern PyObject *_PyIO_str_write;\r | |
| 167 | \r | |
| 168 | extern PyObject *_PyIO_empty_str;\r | |
| 169 | extern PyObject *_PyIO_empty_bytes;\r | |
| 170 | extern PyObject *_PyIO_zero;\r |