diff options
Diffstat (limited to 'Objects/abstract.c')
| -rw-r--r-- | Objects/abstract.c | 3810 |
1 files changed, 1905 insertions, 1905 deletions
diff --git a/Objects/abstract.c b/Objects/abstract.c index cd5a9fd..5a904b4 100644 --- a/Objects/abstract.c +++ b/Objects/abstract.c @@ -12,17 +12,17 @@ static PyObject * type_error(const char *msg, PyObject *obj) { - PyErr_Format(PyExc_TypeError, msg, obj->ob_type->tp_name); - return NULL; + PyErr_Format(PyExc_TypeError, msg, obj->ob_type->tp_name); + return NULL; } static PyObject * null_error(void) { - if (!PyErr_Occurred()) - PyErr_SetString(PyExc_SystemError, - "null argument to internal routine"); - return NULL; + if (!PyErr_Occurred()) + PyErr_SetString(PyExc_SystemError, + "null argument to internal routine"); + return NULL; } /* Operations on any object */ @@ -30,37 +30,37 @@ null_error(void) PyObject * PyObject_Type(PyObject *o) { - PyObject *v; + PyObject *v; - if (o == NULL) - return null_error(); - v = (PyObject *)o->ob_type; - Py_INCREF(v); - return v; + if (o == NULL) + return null_error(); + v = (PyObject *)o->ob_type; + Py_INCREF(v); + return v; } Py_ssize_t PyObject_Size(PyObject *o) { - PySequenceMethods *m; + PySequenceMethods *m; - if (o == NULL) { - null_error(); - return -1; - } + if (o == NULL) { + null_error(); + return -1; + } - m = o->ob_type->tp_as_sequence; - if (m && m->sq_length) - return m->sq_length(o); + m = o->ob_type->tp_as_sequence; + if (m && m->sq_length) + return m->sq_length(o); - return PyMapping_Size(o); + return PyMapping_Size(o); } #undef PyObject_Length Py_ssize_t PyObject_Length(PyObject *o) { - return PyObject_Size(o); + return PyObject_Size(o); } #define PyObject_Length PyObject_Size @@ -74,149 +74,149 @@ PyObject_Length(PyObject *o) Py_ssize_t _PyObject_LengthHint(PyObject *o, Py_ssize_t defaultvalue) { - static PyObject *hintstrobj = NULL; - PyObject *ro, *hintmeth; - Py_ssize_t rv; - - /* try o.__len__() */ - rv = PyObject_Size(o); - if (rv >= 0) - return rv; - if (PyErr_Occurred()) { - if (!PyErr_ExceptionMatches(PyExc_TypeError)) - return -1; - PyErr_Clear(); - } - - /* try o.__length_hint__() */ - hintmeth = _PyObject_LookupSpecial(o, "__length_hint__", &hintstrobj); - if (hintmeth == NULL) { - if (PyErr_Occurred()) - return -1; - else - return defaultvalue; - } - ro = PyObject_CallFunctionObjArgs(hintmeth, NULL); - Py_DECREF(hintmeth); - if (ro == NULL) { - if (!PyErr_ExceptionMatches(PyExc_TypeError)) - return -1; - PyErr_Clear(); - return defaultvalue; - } - rv = PyLong_Check(ro) ? PyLong_AsSsize_t(ro) : defaultvalue; - Py_DECREF(ro); - return rv; + static PyObject *hintstrobj = NULL; + PyObject *ro, *hintmeth; + Py_ssize_t rv; + + /* try o.__len__() */ + rv = PyObject_Size(o); + if (rv >= 0) + return rv; + if (PyErr_Occurred()) { + if (!PyErr_ExceptionMatches(PyExc_TypeError)) + return -1; + PyErr_Clear(); + } + + /* try o.__length_hint__() */ + hintmeth = _PyObject_LookupSpecial(o, "__length_hint__", &hintstrobj); + if (hintmeth == NULL) { + if (PyErr_Occurred()) + return -1; + else + return defaultvalue; + } + ro = PyObject_CallFunctionObjArgs(hintmeth, NULL); + Py_DECREF(hintmeth); + if (ro == NULL) { + if (!PyErr_ExceptionMatches(PyExc_TypeError)) + return -1; + PyErr_Clear(); + return defaultvalue; + } + rv = PyLong_Check(ro) ? PyLong_AsSsize_t(ro) : defaultvalue; + Py_DECREF(ro); + return rv; } PyObject * PyObject_GetItem(PyObject *o, PyObject *key) { - PyMappingMethods *m; - - if (o == NULL || key == NULL) - return null_error(); - - m = o->ob_type->tp_as_mapping; - if (m && m->mp_subscript) - return m->mp_subscript(o, key); - - if (o->ob_type->tp_as_sequence) { - if (PyIndex_Check(key)) { - Py_ssize_t key_value; - key_value = PyNumber_AsSsize_t(key, PyExc_IndexError); - if (key_value == -1 && PyErr_Occurred()) - return NULL; - return PySequence_GetItem(o, key_value); - } - else if (o->ob_type->tp_as_sequence->sq_item) - return type_error("sequence index must " - "be integer, not '%.200s'", key); - } + PyMappingMethods *m; + + if (o == NULL || key == NULL) + return null_error(); + + m = o->ob_type->tp_as_mapping; + if (m && m->mp_subscript) + return m->mp_subscript(o, key); + + if (o->ob_type->tp_as_sequence) { + if (PyIndex_Check(key)) { + Py_ssize_t key_value; + key_value = PyNumber_AsSsize_t(key, PyExc_IndexError); + if (key_value == -1 && PyErr_Occurred()) + return NULL; + return PySequence_GetItem(o, key_value); + } + else if (o->ob_type->tp_as_sequence->sq_item) + return type_error("sequence index must " + "be integer, not '%.200s'", key); + } - return type_error("'%.200s' object is not subscriptable", o); + return type_error("'%.200s' object is not subscriptable", o); } int PyObject_SetItem(PyObject *o, PyObject *key, PyObject *value) { - PyMappingMethods *m; - - if (o == NULL || key == NULL || value == NULL) { - null_error(); - return -1; - } - m = o->ob_type->tp_as_mapping; - if (m && m->mp_ass_subscript) - return m->mp_ass_subscript(o, key, value); - - if (o->ob_type->tp_as_sequence) { - if (PyIndex_Check(key)) { - Py_ssize_t key_value; - key_value = PyNumber_AsSsize_t(key, PyExc_IndexError); - if (key_value == -1 && PyErr_Occurred()) - return -1; - return PySequence_SetItem(o, key_value, value); - } - else if (o->ob_type->tp_as_sequence->sq_ass_item) { - type_error("sequence index must be " - "integer, not '%.200s'", key); - return -1; - } - } - - type_error("'%.200s' object does not support item assignment", o); - return -1; + PyMappingMethods *m; + + if (o == NULL || key == NULL || value == NULL) { + null_error(); + return -1; + } + m = o->ob_type->tp_as_mapping; + if (m && m->mp_ass_subscript) + return m->mp_ass_subscript(o, key, value); + + if (o->ob_type->tp_as_sequence) { + if (PyIndex_Check(key)) { + Py_ssize_t key_value; + key_value = PyNumber_AsSsize_t(key, PyExc_IndexError); + if (key_value == -1 && PyErr_Occurred()) + return -1; + return PySequence_SetItem(o, key_value, value); + } + else if (o->ob_type->tp_as_sequence->sq_ass_item) { + type_error("sequence index must be " + "integer, not '%.200s'", key); + return -1; + } + } + + type_error("'%.200s' object does not support item assignment", o); + return -1; } int PyObject_DelItem(PyObject *o, PyObject *key) { - PyMappingMethods *m; - - if (o == NULL || key == NULL) { - null_error(); - return -1; - } - m = o->ob_type->tp_as_mapping; - if (m && m->mp_ass_subscript) - return m->mp_ass_subscript(o, key, (PyObject*)NULL); - - if (o->ob_type->tp_as_sequence) { - if (PyIndex_Check(key)) { - Py_ssize_t key_value; - key_value = PyNumber_AsSsize_t(key, PyExc_IndexError); - if (key_value == -1 && PyErr_Occurred()) - return -1; - return PySequence_DelItem(o, key_value); - } - else if (o->ob_type->tp_as_sequence->sq_ass_item) { - type_error("sequence index must be " - "integer, not '%.200s'", key); - return -1; - } - } - - type_error("'%.200s' object does not support item deletion", o); - return -1; + PyMappingMethods *m; + + if (o == NULL || key == NULL) { + null_error(); + return -1; + } + m = o->ob_type->tp_as_mapping; + if (m && m->mp_ass_subscript) + return m->mp_ass_subscript(o, key, (PyObject*)NULL); + + if (o->ob_type->tp_as_sequence) { + if (PyIndex_Check(key)) { + Py_ssize_t key_value; + key_value = PyNumber_AsSsize_t(key, PyExc_IndexError); + if (key_value == -1 && PyErr_Occurred()) + return -1; + return PySequence_DelItem(o, key_value); + } + else if (o->ob_type->tp_as_sequence->sq_ass_item) { + type_error("sequence index must be " + "integer, not '%.200s'", key); + return -1; + } + } + + type_error("'%.200s' object does not support item deletion", o); + return -1; } int PyObject_DelItemString(PyObject *o, char *key) { - PyObject *okey; - int ret; + PyObject *okey; + int ret; - if (o == NULL || key == NULL) { - null_error(); - return -1; - } - okey = PyUnicode_FromString(key); - if (okey == NULL) - return -1; - ret = PyObject_DelItem(o, okey); - Py_DECREF(okey); - return ret; + if (o == NULL || key == NULL) { + null_error(); + return -1; + } + okey = PyUnicode_FromString(key); + if (okey == NULL) + return -1; + ret = PyObject_DelItem(o, okey); + Py_DECREF(okey); + return ret; } /* We release the buffer right after use of this function which could @@ -224,104 +224,104 @@ PyObject_DelItemString(PyObject *o, char *key) */ int PyObject_AsCharBuffer(PyObject *obj, - const char **buffer, - Py_ssize_t *buffer_len) -{ - PyBufferProcs *pb; - Py_buffer view; - - if (obj == NULL || buffer == NULL || buffer_len == NULL) { - null_error(); - return -1; - } - pb = obj->ob_type->tp_as_buffer; - if (pb == NULL || pb->bf_getbuffer == NULL) { - PyErr_SetString(PyExc_TypeError, - "expected an object with the buffer interface"); - return -1; - } - if ((*pb->bf_getbuffer)(obj, &view, PyBUF_SIMPLE)) return -1; - - *buffer = view.buf; - *buffer_len = view.len; - if (pb->bf_releasebuffer != NULL) - (*pb->bf_releasebuffer)(obj, &view); - Py_XDECREF(view.obj); - return 0; + const char **buffer, + Py_ssize_t *buffer_len) +{ + PyBufferProcs *pb; + Py_buffer view; + + if (obj == NULL || buffer == NULL || buffer_len == NULL) { + null_error(); + return -1; + } + pb = obj->ob_type->tp_as_buffer; + if (pb == NULL || pb->bf_getbuffer == NULL) { + PyErr_SetString(PyExc_TypeError, + "expected an object with the buffer interface"); + return -1; + } + if ((*pb->bf_getbuffer)(obj, &view, PyBUF_SIMPLE)) return -1; + + *buffer = view.buf; + *buffer_len = view.len; + if (pb->bf_releasebuffer != NULL) + (*pb->bf_releasebuffer)(obj, &view); + Py_XDECREF(view.obj); + return 0; } int PyObject_CheckReadBuffer(PyObject *obj) { - PyBufferProcs *pb = obj->ob_type->tp_as_buffer; - Py_buffer view; + PyBufferProcs *pb = obj->ob_type->tp_as_buffer; + Py_buffer view; - if (pb == NULL || - pb->bf_getbuffer == NULL) - return 0; - if ((*pb->bf_getbuffer)(obj, &view, PyBUF_SIMPLE) == -1) { - PyErr_Clear(); - return 0; - } - PyBuffer_Release(&view); - return 1; + if (pb == NULL || + pb->bf_getbuffer == NULL) + return 0; + if ((*pb->bf_getbuffer)(obj, &view, PyBUF_SIMPLE) == -1) { + PyErr_Clear(); + return 0; + } + PyBuffer_Release(&view); + return 1; } int PyObject_AsReadBuffer(PyObject *obj, - const void **buffer, - Py_ssize_t *buffer_len) -{ - PyBufferProcs *pb; - Py_buffer view; - - if (obj == NULL || buffer == NULL || buffer_len == NULL) { - null_error(); - return -1; - } - pb = obj->ob_type->tp_as_buffer; - if (pb == NULL || - pb->bf_getbuffer == NULL) { - PyErr_SetString(PyExc_TypeError, - "expected an object with a buffer interface"); - return -1; - } - - if ((*pb->bf_getbuffer)(obj, &view, PyBUF_SIMPLE)) return -1; - - *buffer = view.buf; - *buffer_len = view.len; - if (pb->bf_releasebuffer != NULL) - (*pb->bf_releasebuffer)(obj, &view); - Py_XDECREF(view.obj); - return 0; + const void **buffer, + Py_ssize_t *buffer_len) +{ + PyBufferProcs *pb; + Py_buffer view; + + if (obj == NULL || buffer == NULL || buffer_len == NULL) { + null_error(); + return -1; + } + pb = obj->ob_type->tp_as_buffer; + if (pb == NULL || + pb->bf_getbuffer == NULL) { + PyErr_SetString(PyExc_TypeError, + "expected an object with a buffer interface"); + return -1; + } + + if ((*pb->bf_getbuffer)(obj, &view, PyBUF_SIMPLE)) return -1; + + *buffer = view.buf; + *buffer_len = view.len; + if (pb->bf_releasebuffer != NULL) + (*pb->bf_releasebuffer)(obj, &view); + Py_XDECREF(view.obj); + return 0; } int PyObject_AsWriteBuffer(PyObject *obj, - void **buffer, - Py_ssize_t *buffer_len) -{ - PyBufferProcs *pb; - Py_buffer view; - - if (obj == NULL || buffer == NULL || buffer_len == NULL) { - null_error(); - return -1; - } - pb = obj->ob_type->tp_as_buffer; - if (pb == NULL || - pb->bf_getbuffer == NULL || - ((*pb->bf_getbuffer)(obj, &view, PyBUF_WRITABLE) != 0)) { - PyErr_SetString(PyExc_TypeError, - "expected an object with a writable buffer interface"); - return -1; - } - - *buffer = view.buf; - *buffer_len = view.len; - if (pb->bf_releasebuffer != NULL) - (*pb->bf_releasebuffer)(obj, &view); - Py_XDECREF(view.obj); - return 0; + void **buffer, + Py_ssize_t *buffer_len) +{ + PyBufferProcs *pb; + Py_buffer view; + + if (obj == NULL || buffer == NULL || buffer_len == NULL) { + null_error(); + return -1; + } + pb = obj->ob_type->tp_as_buffer; + if (pb == NULL || + pb->bf_getbuffer == NULL || + ((*pb->bf_getbuffer)(obj, &view, PyBUF_WRITABLE) != 0)) { + PyErr_SetString(PyExc_TypeError, + "expected an object with a writable buffer interface"); + return -1; + } + + *buffer = view.buf; + *buffer_len = view.len; + if (pb->bf_releasebuffer != NULL) + (*pb->bf_releasebuffer)(obj, &view); + Py_XDECREF(view.obj); + return 0; } /* Buffer C-API for Python 3.0 */ @@ -329,119 +329,119 @@ int PyObject_AsWriteBuffer(PyObject *obj, int PyObject_GetBuffer(PyObject *obj, Py_buffer *view, int flags) { - if (!PyObject_CheckBuffer(obj)) { - PyErr_Format(PyExc_TypeError, - "'%100s' does not support the buffer interface", - Py_TYPE(obj)->tp_name); - return -1; - } - return (*(obj->ob_type->tp_as_buffer->bf_getbuffer))(obj, view, flags); + if (!PyObject_CheckBuffer(obj)) { + PyErr_Format(PyExc_TypeError, + "'%100s' does not support the buffer interface", + Py_TYPE(obj)->tp_name); + return -1; + } + return (*(obj->ob_type->tp_as_buffer->bf_getbuffer))(obj, view, flags); } static int _IsFortranContiguous(Py_buffer *view) { - Py_ssize_t sd, dim; - int i; + Py_ssize_t sd, dim; + int i; - if (view->ndim == 0) return 1; - if (view->strides == NULL) return (view->ndim == 1); + if (view->ndim == 0) return 1; + if (view->strides == NULL) return (view->ndim == 1); - sd = view->itemsize; - if (view->ndim == 1) return (view->shape[0] == 1 || - sd == view->strides[0]); - for (i=0; i<view->ndim; i++) { - dim = view->shape[i]; - if (dim == 0) return 1; - if (view->strides[i] != sd) return 0; - sd *= dim; - } - return 1; + sd = view->itemsize; + if (view->ndim == 1) return (view->shape[0] == 1 || + sd == view->strides[0]); + for (i=0; i<view->ndim; i++) { + dim = view->shape[i]; + if (dim == 0) return 1; + if (view->strides[i] != sd) return 0; + sd *= dim; + } + return 1; } static int _IsCContiguous(Py_buffer *view) { - Py_ssize_t sd, dim; - int i; + Py_ssize_t sd, dim; + int i; - if (view->ndim == 0) return 1; - if (view->strides == NULL) return 1; + if (view->ndim == 0) return 1; + if (view->strides == NULL) return 1; - sd = view->itemsize; - if (view->ndim == 1) return (view->shape[0] == 1 || - sd == view->strides[0]); - for (i=view->ndim-1; i>=0; i--) { - dim = view->shape[i]; - if (dim == 0) return 1; - if (view->strides[i] != sd) return 0; - sd *= dim; - } - return 1; + sd = view->itemsize; + if (view->ndim == 1) return (view->shape[0] == 1 || + sd == view->strides[0]); + for (i=view->ndim-1; i>=0; i--) { + dim = view->shape[i]; + if (dim == 0) return 1; + if (view->strides[i] != sd) return 0; + sd *= dim; + } + return 1; } int PyBuffer_IsContiguous(Py_buffer *view, char fort) { - if (view->suboffsets != NULL) return 0; + if (view->suboffsets != NULL) return 0; - if (fort == 'C') - return _IsCContiguous(view); - else if (fort == 'F') - return _IsFortranContiguous(view); - else if (fort == 'A') - return (_IsCContiguous(view) || _IsFortranContiguous(view)); - return 0; + if (fort == 'C') + return _IsCContiguous(view); + else if (fort == 'F') + return _IsFortranContiguous(view); + else if (fort == 'A') + return (_IsCContiguous(view) || _IsFortranContiguous(view)); + return 0; } void* PyBuffer_GetPointer(Py_buffer *view, Py_ssize_t *indices) { - char* pointer; - int i; - pointer = (char *)view->buf; - for (i = 0; i < view->ndim; i++) { - pointer += view->strides[i]*indices[i]; - if ((view->suboffsets != NULL) && (view->suboffsets[i] >= 0)) { - pointer = *((char**)pointer) + view->suboffsets[i]; - } - } - return (void*)pointer; + char* pointer; + int i; + pointer = (char *)view->buf; + for (i = 0; i < view->ndim; i++) { + pointer += view->strides[i]*indices[i]; + if ((view->suboffsets != NULL) && (view->suboffsets[i] >= 0)) { + pointer = *((char**)pointer) + view->suboffsets[i]; + } + } + return (void*)pointer; } void _add_one_to_index_F(int nd, Py_ssize_t *index, Py_ssize_t *shape) { - int k; + int k; - for (k=0; k<nd; k++) { - if (index[k] < shape[k]-1) { - index[k]++; - break; - } - else { - index[k] = 0; - } - } + for (k=0; k<nd; k++) { + if (index[k] < shape[k]-1) { + index[k]++; + break; + } + else { + index[k] = 0; + } + } } void _add_one_to_index_C(int nd, Py_ssize_t *index, Py_ssize_t *shape) { - int k; + int k; - for (k=nd-1; k>=0; k--) { - if (index[k] < shape[k]-1) { - index[k]++; - break; - } - else { - index[k] = 0; - } - } + for (k=nd-1; k>=0; k--) { + if (index[k] < shape[k]-1) { + index[k]++; + break; + } + else { + index[k] = 0; + } + } } /* view is not checked for consistency in either of these. It is @@ -452,242 +452,242 @@ _add_one_to_index_C(int nd, Py_ssize_t *index, Py_ssize_t *shape) int PyBuffer_ToContiguous(void *buf, Py_buffer *view, Py_ssize_t len, char fort) { - int k; - void (*addone)(int, Py_ssize_t *, Py_ssize_t *); - Py_ssize_t *indices, elements; - char *dest, *ptr; - - if (len > view->len) { - len = view->len; - } - - if (PyBuffer_IsContiguous(view, fort)) { - /* simplest copy is all that is needed */ - memcpy(buf, view->buf, len); - return 0; - } - - /* Otherwise a more elaborate scheme is needed */ - - /* XXX(nnorwitz): need to check for overflow! */ - indices = (Py_ssize_t *)PyMem_Malloc(sizeof(Py_ssize_t)*(view->ndim)); - if (indices == NULL) { - PyErr_NoMemory(); - return -1; - } - for (k=0; k<view->ndim;k++) { - indices[k] = 0; - } - - if (fort == 'F') { - addone = _add_one_to_index_F; - } - else { - addone = _add_one_to_index_C; - } - dest = buf; - /* XXX : This is not going to be the fastest code in the world - several optimizations are possible. - */ - elements = len / view->itemsize; - while (elements--) { - addone(view->ndim, indices, view->shape); - ptr = PyBuffer_GetPointer(view, indices); - memcpy(dest, ptr, view->itemsize); - dest += view->itemsize; - } - PyMem_Free(indices); - return 0; + int k; + void (*addone)(int, Py_ssize_t *, Py_ssize_t *); + Py_ssize_t *indices, elements; + char *dest, *ptr; + + if (len > view->len) { + len = view->len; + } + + if (PyBuffer_IsContiguous(view, fort)) { + /* simplest copy is all that is needed */ + memcpy(buf, view->buf, len); + return 0; + } + + /* Otherwise a more elaborate scheme is needed */ + + /* XXX(nnorwitz): need to check for overflow! */ + indices = (Py_ssize_t *)PyMem_Malloc(sizeof(Py_ssize_t)*(view->ndim)); + if (indices == NULL) { + PyErr_NoMemory(); + return -1; + } + for (k=0; k<view->ndim;k++) { + indices[k] = 0; + } + + if (fort == 'F') { + addone = _add_one_to_index_F; + } + else { + addone = _add_one_to_index_C; + } + dest = buf; + /* XXX : This is not going to be the fastest code in the world + several optimizations are possible. + */ + elements = len / view->itemsize; + while (elements--) { + addone(view->ndim, indices, view->shape); + ptr = PyBuffer_GetPointer(view, indices); + memcpy(dest, ptr, view->itemsize); + dest += view->itemsize; + } + PyMem_Free(indices); + return 0; } int PyBuffer_FromContiguous(Py_buffer *view, void *buf, Py_ssize_t len, char fort) { - int k; - void (*addone)(int, Py_ssize_t *, Py_ssize_t *); - Py_ssize_t *indices, elements; - char *src, *ptr; - - if (len > view->len) { - len = view->len; - } - - if (PyBuffer_IsContiguous(view, fort)) { - /* simplest copy is all that is needed */ - memcpy(view->buf, buf, len); - return 0; - } - - /* Otherwise a more elaborate scheme is needed */ - - /* XXX(nnorwitz): need to check for overflow! */ - indices = (Py_ssize_t *)PyMem_Malloc(sizeof(Py_ssize_t)*(view->ndim)); - if (indices == NULL) { - PyErr_NoMemory(); - return -1; - } - for (k=0; k<view->ndim;k++) { - indices[k] = 0; - } - - if (fort == 'F') { - addone = _add_one_to_index_F; - } - else { - addone = _add_one_to_index_C; - } - src = buf; - /* XXX : This is not going to be the fastest code in the world - several optimizations are possible. - */ - elements = len / view->itemsize; - while (elements--) { - addone(view->ndim, indices, view->shape); - ptr = PyBuffer_GetPointer(view, indices); - memcpy(ptr, src, view->itemsize); - src += view->itemsize; - } - - PyMem_Free(indices); - return 0; + int k; + void (*addone)(int, Py_ssize_t *, Py_ssize_t *); + Py_ssize_t *indices, elements; + char *src, *ptr; + + if (len > view->len) { + len = view->len; + } + + if (PyBuffer_IsContiguous(view, fort)) { + /* simplest copy is all that is needed */ + memcpy(view->buf, buf, len); + return 0; + } + + /* Otherwise a more elaborate scheme is needed */ + + /* XXX(nnorwitz): need to check for overflow! */ + indices = (Py_ssize_t *)PyMem_Malloc(sizeof(Py_ssize_t)*(view->ndim)); + if (indices == NULL) { + PyErr_NoMemory(); + return -1; + } + for (k=0; k<view->ndim;k++) { + indices[k] = 0; + } + + if (fort == 'F') { + addone = _add_one_to_index_F; + } + else { + addone = _add_one_to_index_C; + } + src = buf; + /* XXX : This is not going to be the fastest code in the world + several optimizations are possible. + */ + elements = len / view->itemsize; + while (elements--) { + addone(view->ndim, indices, view->shape); + ptr = PyBuffer_GetPointer(view, indices); + memcpy(ptr, src, view->itemsize); + src += view->itemsize; + } + + PyMem_Free(indices); + return 0; } int PyObject_CopyData(PyObject *dest, PyObject *src) { - Py_buffer view_dest, view_src; - int k; - Py_ssize_t *indices, elements; - char *dptr, *sptr; - - if (!PyObject_CheckBuffer(dest) || - !PyObject_CheckBuffer(src)) { - PyErr_SetString(PyExc_TypeError, - "both destination and source must have the "\ - "buffer interface"); - return -1; - } - - if (PyObject_GetBuffer(dest, &view_dest, PyBUF_FULL) != 0) return -1; - if (PyObject_GetBuffer(src, &view_src, PyBUF_FULL_RO) != 0) { - PyBuffer_Release(&view_dest); - return -1; - } - - if (view_dest.len < view_src.len) { - PyErr_SetString(PyExc_BufferError, - "destination is too small to receive data from source"); - PyBuffer_Release(&view_dest); - PyBuffer_Release(&view_src); - return -1; - } - - if ((PyBuffer_IsContiguous(&view_dest, 'C') && - PyBuffer_IsContiguous(&view_src, 'C')) || - (PyBuffer_IsContiguous(&view_dest, 'F') && - PyBuffer_IsContiguous(&view_src, 'F'))) { - /* simplest copy is all that is needed */ - memcpy(view_dest.buf, view_src.buf, view_src.len); - PyBuffer_Release(&view_dest); - PyBuffer_Release(&view_src); - return 0; - } - - /* Otherwise a more elaborate copy scheme is needed */ - - /* XXX(nnorwitz): need to check for overflow! */ - indices = (Py_ssize_t *)PyMem_Malloc(sizeof(Py_ssize_t)*view_src.ndim); - if (indices == NULL) { - PyErr_NoMemory(); - PyBuffer_Release(&view_dest); - PyBuffer_Release(&view_src); - return -1; - } - for (k=0; k<view_src.ndim;k++) { - indices[k] = 0; - } - elements = 1; - for (k=0; k<view_src.ndim; k++) { - /* XXX(nnorwitz): can this overflow? */ - elements *= view_src.shape[k]; - } - while (elements--) { - _add_one_to_index_C(view_src.ndim, indices, view_src.shape); - dptr = PyBuffer_GetPointer(&view_dest, indices); - sptr = PyBuffer_GetPointer(&view_src, indices); - memcpy(dptr, sptr, view_src.itemsize); - } - PyMem_Free(indices); - PyBuffer_Release(&view_dest); - PyBuffer_Release(&view_src); - return 0; + Py_buffer view_dest, view_src; + int k; + Py_ssize_t *indices, elements; + char *dptr, *sptr; + + if (!PyObject_CheckBuffer(dest) || + !PyObject_CheckBuffer(src)) { + PyErr_SetString(PyExc_TypeError, + "both destination and source must have the "\ + "buffer interface"); + return -1; + } + + if (PyObject_GetBuffer(dest, &view_dest, PyBUF_FULL) != 0) return -1; + if (PyObject_GetBuffer(src, &view_src, PyBUF_FULL_RO) != 0) { + PyBuffer_Release(&view_dest); + return -1; + } + + if (view_dest.len < view_src.len) { + PyErr_SetString(PyExc_BufferError, + "destination is too small to receive data from source"); + PyBuffer_Release(&view_dest); + PyBuffer_Release(&view_src); + return -1; + } + + if ((PyBuffer_IsContiguous(&view_dest, 'C') && + PyBuffer_IsContiguous(&view_src, 'C')) || + (PyBuffer_IsContiguous(&view_dest, 'F') && + PyBuffer_IsContiguous(&view_src, 'F'))) { + /* simplest copy is all that is needed */ + memcpy(view_dest.buf, view_src.buf, view_src.len); + PyBuffer_Release(&view_dest); + PyBuffer_Release(&view_src); + return 0; + } + + /* Otherwise a more elaborate copy scheme is needed */ + + /* XXX(nnorwitz): need to check for overflow! */ + indices = (Py_ssize_t *)PyMem_Malloc(sizeof(Py_ssize_t)*view_src.ndim); + if (indices == NULL) { + PyErr_NoMemory(); + PyBuffer_Release(&view_dest); + PyBuffer_Release(&view_src); + return -1; + } + for (k=0; k<view_src.ndim;k++) { + indices[k] = 0; + } + elements = 1; + for (k=0; k<view_src.ndim; k++) { + /* XXX(nnorwitz): can this overflow? */ + elements *= view_src.shape[k]; + } + while (elements--) { + _add_one_to_index_C(view_src.ndim, indices, view_src.shape); + dptr = PyBuffer_GetPointer(&view_dest, indices); + sptr = PyBuffer_GetPointer(&view_src, indices); + memcpy(dptr, sptr, view_src.itemsize); + } + PyMem_Free(indices); + PyBuffer_Release(&view_dest); + PyBuffer_Release(&view_src); + return 0; } void PyBuffer_FillContiguousStrides(int nd, Py_ssize_t *shape, - Py_ssize_t *strides, int itemsize, - char fort) -{ - int k; - Py_ssize_t sd; - - sd = itemsize; - if (fort == 'F') { - for (k=0; k<nd; k++) { - strides[k] = sd; - sd *= shape[k]; - } - } - else { - for (k=nd-1; k>=0; k--) { - strides[k] = sd; - sd *= shape[k]; - } - } - return; + Py_ssize_t *strides, int itemsize, + char fort) +{ + int k; + Py_ssize_t sd; + + sd = itemsize; + if (fort == 'F') { + for (k=0; k<nd; k++) { + strides[k] = sd; + sd *= shape[k]; + } + } + else { + for (k=nd-1; k>=0; k--) { + strides[k] = sd; + sd *= shape[k]; + } + } + return; } int PyBuffer_FillInfo(Py_buffer *view, PyObject *obj, void *buf, Py_ssize_t len, - int readonly, int flags) -{ - if (view == NULL) return 0; - if (((flags & PyBUF_WRITABLE) == PyBUF_WRITABLE) && - (readonly == 1)) { - PyErr_SetString(PyExc_BufferError, - "Object is not writable."); - return -1; - } - - view->obj = obj; - if (obj) - Py_INCREF(obj); - view->buf = buf; - view->len = len; - view->readonly = readonly; - view->itemsize = 1; - view->format = NULL; - if ((flags & PyBUF_FORMAT) == PyBUF_FORMAT) - view->format = "B"; - view->ndim = 1; - view->shape = NULL; - if ((flags & PyBUF_ND) == PyBUF_ND) - view->shape = &(view->len); - view->strides = NULL; - if ((flags & PyBUF_STRIDES) == PyBUF_STRIDES) - view->strides = &(view->itemsize); - view->suboffsets = NULL; - view->internal = NULL; - return 0; + int readonly, int flags) +{ + if (view == NULL) return 0; + if (((flags & PyBUF_WRITABLE) == PyBUF_WRITABLE) && + (readonly == 1)) { + PyErr_SetString(PyExc_BufferError, + "Object is not writable."); + return -1; + } + + view->obj = obj; + if (obj) + Py_INCREF(obj); + view->buf = buf; + view->len = len; + view->readonly = readonly; + view->itemsize = 1; + view->format = NULL; + if ((flags & PyBUF_FORMAT) == PyBUF_FORMAT) + view->format = "B"; + view->ndim = 1; + view->shape = NULL; + if ((flags & PyBUF_ND) == PyBUF_ND) + view->shape = &(view->len); + view->strides = NULL; + if ((flags & PyBUF_STRIDES) == PyBUF_STRIDES) + view->strides = &(view->itemsize); + view->suboffsets = NULL; + view->internal = NULL; + return 0; } void PyBuffer_Release(Py_buffer *view) { - PyObject *obj = view->obj; - if (obj && Py_TYPE(obj)->tp_as_buffer && Py_TYPE(obj)->tp_as_buffer->bf_releasebuffer) - Py_TYPE(obj)->tp_as_buffer->bf_releasebuffer(obj, view); - Py_XDECREF(obj); - view->obj = NULL; + PyObject *obj = view->obj; + if (obj && Py_TYPE(obj)->tp_as_buffer && Py_TYPE(obj)->tp_as_buffer->bf_releasebuffer) + Py_TYPE(obj)->tp_as_buffer->bf_releasebuffer(obj, view); + Py_XDECREF(obj); + view->obj = NULL; } PyObject * @@ -700,41 +700,41 @@ PyObject_Format(PyObject *obj, PyObject *format_spec) /* Initialize cached value */ if (str__format__ == NULL) { - /* Initialize static variable needed by _PyType_Lookup */ - str__format__ = PyUnicode_FromString("__format__"); - if (str__format__ == NULL) - goto done; + /* Initialize static variable needed by _PyType_Lookup */ + str__format__ = PyUnicode_FromString("__format__"); + if (str__format__ == NULL) + goto done; } /* If no format_spec is provided, use an empty string */ if (format_spec == NULL) { - empty = PyUnicode_FromUnicode(NULL, 0); - format_spec = empty; + empty = PyUnicode_FromUnicode(NULL, 0); + format_spec = empty; } /* Make sure the type is initialized. float gets initialized late */ if (Py_TYPE(obj)->tp_dict == NULL) - if (PyType_Ready(Py_TYPE(obj)) < 0) - goto done; + if (PyType_Ready(Py_TYPE(obj)) < 0) + goto done; /* Find the (unbound!) __format__ method (a borrowed reference) */ meth = _PyType_Lookup(Py_TYPE(obj), str__format__); if (meth == NULL) { - PyErr_Format(PyExc_TypeError, - "Type %.100s doesn't define __format__", - Py_TYPE(obj)->tp_name); - goto done; + PyErr_Format(PyExc_TypeError, + "Type %.100s doesn't define __format__", + Py_TYPE(obj)->tp_name); + goto done; } /* And call it, binding it to the value */ result = PyObject_CallFunctionObjArgs(meth, obj, format_spec, NULL); if (result && !PyUnicode_Check(result)) { - PyErr_SetString(PyExc_TypeError, - "__format__ method did not return string"); - Py_DECREF(result); - result = NULL; - goto done; + PyErr_SetString(PyExc_TypeError, + "__format__ method did not return string"); + Py_DECREF(result); + result = NULL; + goto done; } done: @@ -746,24 +746,24 @@ done: int PyNumber_Check(PyObject *o) { - return o && o->ob_type->tp_as_number && - (o->ob_type->tp_as_number->nb_int || - o->ob_type->tp_as_number->nb_float); + return o && o->ob_type->tp_as_number && + (o->ob_type->tp_as_number->nb_int || + o->ob_type->tp_as_number->nb_float); } /* Binary operators */ #define NB_SLOT(x) offsetof(PyNumberMethods, x) #define NB_BINOP(nb_methods, slot) \ - (*(binaryfunc*)(& ((char*)nb_methods)[slot])) + (*(binaryfunc*)(& ((char*)nb_methods)[slot])) #define NB_TERNOP(nb_methods, slot) \ - (*(ternaryfunc*)(& ((char*)nb_methods)[slot])) + (*(ternaryfunc*)(& ((char*)nb_methods)[slot])) /* Calling scheme used for binary operations: Order operations are tried until either a valid result or error: - w.op(v,w)[*], v.op(v,w), w.op(v,w) + w.op(v,w)[*], v.op(v,w), w.op(v,w) [*] only when v->ob_type != w->ob_type && w->ob_type is a subclass of v->ob_type @@ -772,62 +772,62 @@ PyNumber_Check(PyObject *o) static PyObject * binary_op1(PyObject *v, PyObject *w, const int op_slot) { - PyObject *x; - binaryfunc slotv = NULL; - binaryfunc slotw = NULL; - - if (v->ob_type->tp_as_number != NULL) - slotv = NB_BINOP(v->ob_type->tp_as_number, op_slot); - if (w->ob_type != v->ob_type && - w->ob_type->tp_as_number != NULL) { - slotw = NB_BINOP(w->ob_type->tp_as_number, op_slot); - if (slotw == slotv) - slotw = NULL; - } - if (slotv) { - if (slotw && PyType_IsSubtype(w->ob_type, v->ob_type)) { - x = slotw(v, w); - if (x != Py_NotImplemented) - return x; - Py_DECREF(x); /* can't do it */ - slotw = NULL; - } - x = slotv(v, w); - if (x != Py_NotImplemented) - return x; - Py_DECREF(x); /* can't do it */ - } - if (slotw) { - x = slotw(v, w); - if (x != Py_NotImplemented) - return x; - Py_DECREF(x); /* can't do it */ - } - Py_INCREF(Py_NotImplemented); - return Py_NotImplemented; + PyObject *x; + binaryfunc slotv = NULL; + binaryfunc slotw = NULL; + + if (v->ob_type->tp_as_number != NULL) + slotv = NB_BINOP(v->ob_type->tp_as_number, op_slot); + if (w->ob_type != v->ob_type && + w->ob_type->tp_as_number != NULL) { + slotw = NB_BINOP(w->ob_type->tp_as_number, op_slot); + if (slotw == slotv) + slotw = NULL; + } + if (slotv) { + if (slotw && PyType_IsSubtype(w->ob_type, v->ob_type)) { + x = slotw(v, w); + if (x != Py_NotImplemented) + return x; + Py_DECREF(x); /* can't do it */ + slotw = NULL; + } + x = slotv(v, w); + if (x != Py_NotImplemented) + return x; + Py_DECREF(x); /* can't do it */ + } + if (slotw) { + x = slotw(v, w); + if (x != Py_NotImplemented) + return x; + Py_DECREF(x); /* can't do it */ + } + Py_INCREF(Py_NotImplemented); + return Py_NotImplemented; } static PyObject * binop_type_error(PyObject *v, PyObject *w, const char *op_name) { - PyErr_Format(PyExc_TypeError, - "unsupported operand type(s) for %.100s: " - "'%.100s' and '%.100s'", - op_name, - v->ob_type->tp_name, - w->ob_type->tp_name); - return NULL; + PyErr_Format(PyExc_TypeError, + "unsupported operand type(s) for %.100s: " + "'%.100s' and '%.100s'", + op_name, + v->ob_type->tp_name, + w->ob_type->tp_name); + return NULL; } static PyObject * binary_op(PyObject *v, PyObject *w, const int op_slot, const char *op_name) { - PyObject *result = binary_op1(v, w, op_slot); - if (result == Py_NotImplemented) { - Py_DECREF(result); - return binop_type_error(v, w, op_name); - } - return result; + PyObject *result = binary_op1(v, w, op_slot); + if (result == Py_NotImplemented) { + Py_DECREF(result); + return binop_type_error(v, w, op_name); + } + return result; } @@ -835,86 +835,86 @@ binary_op(PyObject *v, PyObject *w, const int op_slot, const char *op_name) Calling scheme used for ternary operations: Order operations are tried until either a valid result or error: - v.op(v,w,z), w.op(v,w,z), z.op(v,w,z) + v.op(v,w,z), w.op(v,w,z), z.op(v,w,z) */ static PyObject * ternary_op(PyObject *v, - PyObject *w, - PyObject *z, - const int op_slot, - const char *op_name) -{ - PyNumberMethods *mv, *mw, *mz; - PyObject *x = NULL; - ternaryfunc slotv = NULL; - ternaryfunc slotw = NULL; - ternaryfunc slotz = NULL; - - mv = v->ob_type->tp_as_number; - mw = w->ob_type->tp_as_number; - if (mv != NULL) - slotv = NB_TERNOP(mv, op_slot); - if (w->ob_type != v->ob_type && - mw != NULL) { - slotw = NB_TERNOP(mw, op_slot); - if (slotw == slotv) - slotw = NULL; - } - if (slotv) { - if (slotw && PyType_IsSubtype(w->ob_type, v->ob_type)) { - x = slotw(v, w, z); - if (x != Py_NotImplemented) - return x; - Py_DECREF(x); /* can't do it */ - slotw = NULL; - } - x = slotv(v, w, z); - if (x != Py_NotImplemented) - return x; - Py_DECREF(x); /* can't do it */ - } - if (slotw) { - x = slotw(v, w, z); - if (x != Py_NotImplemented) - return x; - Py_DECREF(x); /* can't do it */ - } - mz = z->ob_type->tp_as_number; - if (mz != NULL) { - slotz = NB_TERNOP(mz, op_slot); - if (slotz == slotv || slotz == slotw) - slotz = NULL; - if (slotz) { - x = slotz(v, w, z); - if (x != Py_NotImplemented) - return x; - Py_DECREF(x); /* can't do it */ - } - } - - if (z == Py_None) - PyErr_Format( - PyExc_TypeError, - "unsupported operand type(s) for ** or pow(): " - "'%.100s' and '%.100s'", - v->ob_type->tp_name, - w->ob_type->tp_name); - else - PyErr_Format( - PyExc_TypeError, - "unsupported operand type(s) for pow(): " - "'%.100s', '%.100s', '%.100s'", - v->ob_type->tp_name, - w->ob_type->tp_name, - z->ob_type->tp_name); - return NULL; + PyObject *w, + PyObject *z, + const int op_slot, + const char *op_name) +{ + PyNumberMethods *mv, *mw, *mz; + PyObject *x = NULL; + ternaryfunc slotv = NULL; + ternaryfunc slotw = NULL; + ternaryfunc slotz = NULL; + + mv = v->ob_type->tp_as_number; + mw = w->ob_type->tp_as_number; + if (mv != NULL) + slotv = NB_TERNOP(mv, op_slot); + if (w->ob_type != v->ob_type && + mw != NULL) { + slotw = NB_TERNOP(mw, op_slot); + if (slotw == slotv) + slotw = NULL; + } + if (slotv) { + if (slotw && PyType_IsSubtype(w->ob_type, v->ob_type)) { + x = slotw(v, w, z); + if (x != Py_NotImplemented) + return x; + Py_DECREF(x); /* can't do it */ + slotw = NULL; + } + x = slotv(v, w, z); + if (x != Py_NotImplemented) + return x; + Py_DECREF(x); /* can't do it */ + } + if (slotw) { + x = slotw(v, w, z); + if (x != Py_NotImplemented) + return x; + Py_DECREF(x); /* can't do it */ + } + mz = z->ob_type->tp_as_number; + if (mz != NULL) { + slotz = NB_TERNOP(mz, op_slot); + if (slotz == slotv || slotz == slotw) + slotz = NULL; + if (slotz) { + x = slotz(v, w, z); + if (x != Py_NotImplemented) + return x; + Py_DECREF(x); /* can't do it */ + } + } + + if (z == Py_None) + PyErr_Format( + PyExc_TypeError, + "unsupported operand type(s) for ** or pow(): " + "'%.100s' and '%.100s'", + v->ob_type->tp_name, + w->ob_type->tp_name); + else + PyErr_Format( + PyExc_TypeError, + "unsupported operand type(s) for pow(): " + "'%.100s', '%.100s', '%.100s'", + v->ob_type->tp_name, + w->ob_type->tp_name, + z->ob_type->tp_name); + return NULL; } #define BINARY_FUNC(func, op, op_name) \ PyObject * \ func(PyObject *v, PyObject *w) { \ - return binary_op(v, w, NB_SLOT(op), op_name); \ + return binary_op(v, w, NB_SLOT(op), op_name); \ } BINARY_FUNC(PyNumber_Or, nb_or, "|") @@ -928,75 +928,75 @@ BINARY_FUNC(PyNumber_Divmod, nb_divmod, "divmod()") PyObject * PyNumber_Add(PyObject *v, PyObject *w) { - PyObject *result = binary_op1(v, w, NB_SLOT(nb_add)); - if (result == Py_NotImplemented) { - PySequenceMethods *m = v->ob_type->tp_as_sequence; - Py_DECREF(result); - if (m && m->sq_concat) { - return (*m->sq_concat)(v, w); - } - result = binop_type_error(v, w, "+"); - } - return result; + PyObject *result = binary_op1(v, w, NB_SLOT(nb_add)); + if (result == Py_NotImplemented) { + PySequenceMethods *m = v->ob_type->tp_as_sequence; + Py_DECREF(result); + if (m && m->sq_concat) { + return (*m->sq_concat)(v, w); + } + result = binop_type_error(v, w, "+"); + } + return result; } static PyObject * sequence_repeat(ssizeargfunc repeatfunc, PyObject *seq, PyObject *n) { - Py_ssize_t count; - if (PyIndex_Check(n)) { - count = PyNumber_AsSsize_t(n, PyExc_OverflowError); - if (count == -1 && PyErr_Occurred()) - return NULL; - } - else { - return type_error("can't multiply sequence by " - "non-int of type '%.200s'", n); - } - return (*repeatfunc)(seq, count); + Py_ssize_t count; + if (PyIndex_Check(n)) { + count = PyNumber_AsSsize_t(n, PyExc_OverflowError); + if (count == -1 && PyErr_Occurred()) + return NULL; + } + else { + return type_error("can't multiply sequence by " + "non-int of type '%.200s'", n); + } + return (*repeatfunc)(seq, count); } PyObject * PyNumber_Multiply(PyObject *v, PyObject *w) { - PyObject *result = binary_op1(v, w, NB_SLOT(nb_multiply)); - if (result == Py_NotImplemented) { - PySequenceMethods *mv = v->ob_type->tp_as_sequence; - PySequenceMethods *mw = w->ob_type->tp_as_sequence; - Py_DECREF(result); - if (mv && mv->sq_repeat) { - return sequence_repeat(mv->sq_repeat, v, w); - } - else if (mw && mw->sq_repeat) { - return sequence_repeat(mw->sq_repeat, w, v); - } - result = binop_type_error(v, w, "*"); - } - return result; + PyObject *result = binary_op1(v, w, NB_SLOT(nb_multiply)); + if (result == Py_NotImplemented) { + PySequenceMethods *mv = v->ob_type->tp_as_sequence; + PySequenceMethods *mw = w->ob_type->tp_as_sequence; + Py_DECREF(result); + if (mv && mv->sq_repeat) { + return sequence_repeat(mv->sq_repeat, v, w); + } + else if (mw && mw->sq_repeat) { + return sequence_repeat(mw->sq_repeat, w, v); + } + result = binop_type_error(v, w, "*"); + } + return result; } PyObject * PyNumber_FloorDivide(PyObject *v, PyObject *w) { - return binary_op(v, w, NB_SLOT(nb_floor_divide), "//"); + return binary_op(v, w, NB_SLOT(nb_floor_divide), "//"); } PyObject * PyNumber_TrueDivide(PyObject *v, PyObject *w) { - return binary_op(v, w, NB_SLOT(nb_true_divide), "/"); + return binary_op(v, w, NB_SLOT(nb_true_divide), "/"); } PyObject * PyNumber_Remainder(PyObject *v, PyObject *w) { - return binary_op(v, w, NB_SLOT(nb_remainder), "%"); + return binary_op(v, w, NB_SLOT(nb_remainder), "%"); } PyObject * PyNumber_Power(PyObject *v, PyObject *w, PyObject *z) { - return ternary_op(v, w, z, NB_SLOT(nb_power), "** or pow()"); + return ternary_op(v, w, z, NB_SLOT(nb_power), "** or pow()"); } /* Binary in-place operators */ @@ -1018,37 +1018,37 @@ PyNumber_Power(PyObject *v, PyObject *w, PyObject *z) static PyObject * binary_iop1(PyObject *v, PyObject *w, const int iop_slot, const int op_slot) { - PyNumberMethods *mv = v->ob_type->tp_as_number; - if (mv != NULL) { - binaryfunc slot = NB_BINOP(mv, iop_slot); - if (slot) { - PyObject *x = (slot)(v, w); - if (x != Py_NotImplemented) { - return x; - } - Py_DECREF(x); - } - } - return binary_op1(v, w, op_slot); + PyNumberMethods *mv = v->ob_type->tp_as_number; + if (mv != NULL) { + binaryfunc slot = NB_BINOP(mv, iop_slot); + if (slot) { + PyObject *x = (slot)(v, w); + if (x != Py_NotImplemented) { + return x; + } + Py_DECREF(x); + } + } + return binary_op1(v, w, op_slot); } static PyObject * binary_iop(PyObject *v, PyObject *w, const int iop_slot, const int op_slot, - const char *op_name) + const char *op_name) { - PyObject *result = binary_iop1(v, w, iop_slot, op_slot); - if (result == Py_NotImplemented) { - Py_DECREF(result); - return binop_type_error(v, w, op_name); - } - return result; + PyObject *result = binary_iop1(v, w, iop_slot, op_slot); + if (result == Py_NotImplemented) { + Py_DECREF(result); + return binop_type_error(v, w, op_name); + } + return result; } #define INPLACE_BINOP(func, iop, op, op_name) \ - PyObject * \ - func(PyObject *v, PyObject *w) { \ - return binary_iop(v, w, NB_SLOT(iop), NB_SLOT(op), op_name); \ - } + PyObject * \ + func(PyObject *v, PyObject *w) { \ + return binary_iop(v, w, NB_SLOT(iop), NB_SLOT(op), op_name); \ + } INPLACE_BINOP(PyNumber_InPlaceOr, nb_inplace_or, nb_or, "|=") INPLACE_BINOP(PyNumber_InPlaceXor, nb_inplace_xor, nb_xor, "^=") @@ -1060,84 +1060,84 @@ INPLACE_BINOP(PyNumber_InPlaceSubtract, nb_inplace_subtract, nb_subtract, "-=") PyObject * PyNumber_InPlaceFloorDivide(PyObject *v, PyObject *w) { - return binary_iop(v, w, NB_SLOT(nb_inplace_floor_divide), - NB_SLOT(nb_floor_divide), "//="); + return binary_iop(v, w, NB_SLOT(nb_inplace_floor_divide), + NB_SLOT(nb_floor_divide), "//="); } PyObject * PyNumber_InPlaceTrueDivide(PyObject *v, PyObject *w) { - return binary_iop(v, w, NB_SLOT(nb_inplace_true_divide), - NB_SLOT(nb_true_divide), "/="); + return binary_iop(v, w, NB_SLOT(nb_inplace_true_divide), + NB_SLOT(nb_true_divide), "/="); } PyObject * PyNumber_InPlaceAdd(PyObject *v, PyObject *w) { - PyObject *result = binary_iop1(v, w, NB_SLOT(nb_inplace_add), - NB_SLOT(nb_add)); - if (result == Py_NotImplemented) { - PySequenceMethods *m = v->ob_type->tp_as_sequence; - Py_DECREF(result); - if (m != NULL) { - binaryfunc f = NULL; - f = m->sq_inplace_concat; - if (f == NULL) - f = m->sq_concat; - if (f != NULL) - return (*f)(v, w); - } - result = binop_type_error(v, w, "+="); - } - return result; + PyObject *result = binary_iop1(v, w, NB_SLOT(nb_inplace_add), + NB_SLOT(nb_add)); + if (result == Py_NotImplemented) { + PySequenceMethods *m = v->ob_type->tp_as_sequence; + Py_DECREF(result); + if (m != NULL) { + binaryfunc f = NULL; + f = m->sq_inplace_concat; + if (f == NULL) + f = m->sq_concat; + if (f != NULL) + return (*f)(v, w); + } + result = binop_type_error(v, w, "+="); + } + return result; } PyObject * PyNumber_InPlaceMultiply(PyObject *v, PyObject *w) { - PyObject *result = binary_iop1(v, w, NB_SLOT(nb_inplace_multiply), - NB_SLOT(nb_multiply)); - if (result == Py_NotImplemented) { - ssizeargfunc f = NULL; - PySequenceMethods *mv = v->ob_type->tp_as_sequence; - PySequenceMethods *mw = w->ob_type->tp_as_sequence; - Py_DECREF(result); - if (mv != NULL) { - f = mv->sq_inplace_repeat; - if (f == NULL) - f = mv->sq_repeat; - if (f != NULL) - return sequence_repeat(f, v, w); - } - else if (mw != NULL) { - /* Note that the right hand operand should not be - * mutated in this case so sq_inplace_repeat is not - * used. */ - if (mw->sq_repeat) - return sequence_repeat(mw->sq_repeat, w, v); - } - result = binop_type_error(v, w, "*="); - } - return result; + PyObject *result = binary_iop1(v, w, NB_SLOT(nb_inplace_multiply), + NB_SLOT(nb_multiply)); + if (result == Py_NotImplemented) { + ssizeargfunc f = NULL; + PySequenceMethods *mv = v->ob_type->tp_as_sequence; + PySequenceMethods *mw = w->ob_type->tp_as_sequence; + Py_DECREF(result); + if (mv != NULL) { + f = mv->sq_inplace_repeat; + if (f == NULL) + f = mv->sq_repeat; + if (f != NULL) + return sequence_repeat(f, v, w); + } + else if (mw != NULL) { + /* Note that the right hand operand should not be + * mutated in this case so sq_inplace_repeat is not + * used. */ + if (mw->sq_repeat) + return sequence_repeat(mw->sq_repeat, w, v); + } + result = binop_type_error(v, w, "*="); + } + return result; } PyObject * PyNumber_InPlaceRemainder(PyObject *v, PyObject *w) { - return binary_iop(v, w, NB_SLOT(nb_inplace_remainder), - NB_SLOT(nb_remainder), "%="); + return binary_iop(v, w, NB_SLOT(nb_inplace_remainder), + NB_SLOT(nb_remainder), "%="); } PyObject * PyNumber_InPlacePower(PyObject *v, PyObject *w, PyObject *z) { - if (v->ob_type->tp_as_number && - v->ob_type->tp_as_number->nb_inplace_power != NULL) { - return ternary_op(v, w, z, NB_SLOT(nb_inplace_power), "**="); - } - else { - return ternary_op(v, w, z, NB_SLOT(nb_power), "**="); - } + if (v->ob_type->tp_as_number && + v->ob_type->tp_as_number->nb_inplace_power != NULL) { + return ternary_op(v, w, z, NB_SLOT(nb_inplace_power), "**="); + } + else { + return ternary_op(v, w, z, NB_SLOT(nb_power), "**="); + } } @@ -1146,57 +1146,57 @@ PyNumber_InPlacePower(PyObject *v, PyObject *w, PyObject *z) PyObject * PyNumber_Negative(PyObject *o) { - PyNumberMethods *m; + PyNumberMethods *m; - if (o == NULL) - return null_error(); - m = o->ob_type->tp_as_number; - if (m && m->nb_negative) - return (*m->nb_negative)(o); + if (o == NULL) + return null_error(); + m = o->ob_type->tp_as_number; + if (m && m->nb_negative) + return (*m->nb_negative)(o); - return type_error("bad operand type for unary -: '%.200s'", o); + return type_error("bad operand type for unary -: '%.200s'", o); } PyObject * PyNumber_Positive(PyObject *o) { - PyNumberMethods *m; + PyNumberMethods *m; - if (o == NULL) - return null_error(); - m = o->ob_type->tp_as_number; - if (m && m->nb_positive) - return (*m->nb_positive)(o); + if (o == NULL) + return null_error(); + m = o->ob_type->tp_as_number; + if (m && m->nb_positive) + return (*m->nb_positive)(o); - return type_error("bad operand type for unary +: '%.200s'", o); + return type_error("bad operand type for unary +: '%.200s'", o); } PyObject * PyNumber_Invert(PyObject *o) { - PyNumberMethods *m; + PyNumberMethods *m; - if (o == NULL) - return null_error(); - m = o->ob_type->tp_as_number; - if (m && m->nb_invert) - return (*m->nb_invert)(o); + if (o == NULL) + return null_error(); + m = o->ob_type->tp_as_number; + if (m && m->nb_invert) + return (*m->nb_invert)(o); - return type_error("bad operand type for unary ~: '%.200s'", o); + return type_error("bad operand type for unary ~: '%.200s'", o); } PyObject * PyNumber_Absolute(PyObject *o) { - PyNumberMethods *m; + PyNumberMethods *m; - if (o == NULL) - return null_error(); - m = o->ob_type->tp_as_number; - if (m && m->nb_absolute) - return m->nb_absolute(o); + if (o == NULL) + return null_error(); + m = o->ob_type->tp_as_number; + if (m && m->nb_absolute) + return m->nb_absolute(o); - return type_error("bad operand type for abs(): '%.200s'", o); + return type_error("bad operand type for abs(): '%.200s'", o); } /* Return a Python Int or Long from the object item @@ -1206,30 +1206,30 @@ PyNumber_Absolute(PyObject *o) PyObject * PyNumber_Index(PyObject *item) { - PyObject *result = NULL; - if (item == NULL) - return null_error(); - if (PyLong_Check(item)) { - Py_INCREF(item); - return item; - } - if (PyIndex_Check(item)) { - result = item->ob_type->tp_as_number->nb_index(item); - if (result && !PyLong_Check(result)) { - PyErr_Format(PyExc_TypeError, - "__index__ returned non-int " - "(type %.200s)", - result->ob_type->tp_name); - Py_DECREF(result); - return NULL; - } - } - else { - PyErr_Format(PyExc_TypeError, - "'%.200s' object cannot be interpreted " - "as an integer", item->ob_type->tp_name); - } - return result; + PyObject *result = NULL; + if (item == NULL) + return null_error(); + if (PyLong_Check(item)) { + Py_INCREF(item); + return item; + } + if (PyIndex_Check(item)) { + result = item->ob_type->tp_as_number->nb_index(item); + if (result && !PyLong_Check(result)) { + PyErr_Format(PyExc_TypeError, + "__index__ returned non-int " + "(type %.200s)", + result->ob_type->tp_name); + Py_DECREF(result); + return NULL; + } + } + else { + PyErr_Format(PyExc_TypeError, + "'%.200s' object cannot be interpreted " + "as an integer", item->ob_type->tp_name); + } + return result; } /* Return an error on Overflow only if err is not NULL*/ @@ -1237,79 +1237,79 @@ PyNumber_Index(PyObject *item) Py_ssize_t PyNumber_AsSsize_t(PyObject *item, PyObject *err) { - Py_ssize_t result; - PyObject *runerr; - PyObject *value = PyNumber_Index(item); - if (value == NULL) - return -1; - - /* We're done if PyLong_AsSsize_t() returns without error. */ - result = PyLong_AsSsize_t(value); - if (result != -1 || !(runerr = PyErr_Occurred())) - goto finish; - - /* Error handling code -- only manage OverflowError differently */ - if (!PyErr_GivenExceptionMatches(runerr, PyExc_OverflowError)) - goto finish; - - PyErr_Clear(); - /* If no error-handling desired then the default clipping - is sufficient. - */ - if (!err) { - assert(PyLong_Check(value)); - /* Whether or not it is less than or equal to - zero is determined by the sign of ob_size - */ - if (_PyLong_Sign(value) < 0) - result = PY_SSIZE_T_MIN; - else - result = PY_SSIZE_T_MAX; - } - else { - /* Otherwise replace the error with caller's error object. */ - PyErr_Format(err, - "cannot fit '%.200s' into an index-sized integer", - item->ob_type->tp_name); - } + Py_ssize_t result; + PyObject *runerr; + PyObject *value = PyNumber_Index(item); + if (value == NULL) + return -1; + + /* We're done if PyLong_AsSsize_t() returns without error. */ + result = PyLong_AsSsize_t(value); + if (result != -1 || !(runerr = PyErr_Occurred())) + goto finish; + + /* Error handling code -- only manage OverflowError differently */ + if (!PyErr_GivenExceptionMatches(runerr, PyExc_OverflowError)) + goto finish; + + PyErr_Clear(); + /* If no error-handling desired then the default clipping + is sufficient. + */ + if (!err) { + assert(PyLong_Check(value)); + /* Whether or not it is less than or equal to + zero is determined by the sign of ob_size + */ + if (_PyLong_Sign(value) < 0) + result = PY_SSIZE_T_MIN; + else + result = PY_SSIZE_T_MAX; + } + else { + /* Otherwise replace the error with caller's error object. */ + PyErr_Format(err, + "cannot fit '%.200s' into an index-sized integer", + item->ob_type->tp_name); + } finish: - Py_DECREF(value); - return result; + Py_DECREF(value); + return result; } PyObject * _PyNumber_ConvertIntegralToInt(PyObject *integral, const char* error_format) { - static PyObject *int_name = NULL; - if (int_name == NULL) { - int_name = PyUnicode_InternFromString("__int__"); - if (int_name == NULL) - return NULL; - } - - if (integral && !PyLong_Check(integral)) { - /* Don't go through tp_as_number->nb_int to avoid - hitting the classic class fallback to __trunc__. */ - PyObject *int_func = PyObject_GetAttr(integral, int_name); - if (int_func == NULL) { - PyErr_Clear(); /* Raise a different error. */ - goto non_integral_error; - } - Py_DECREF(integral); - integral = PyEval_CallObject(int_func, NULL); - Py_DECREF(int_func); - if (integral && !PyLong_Check(integral)) { - goto non_integral_error; - } - } - return integral; + static PyObject *int_name = NULL; + if (int_name == NULL) { + int_name = PyUnicode_InternFromString("__int__"); + if (int_name == NULL) + return NULL; + } + + if (integral && !PyLong_Check(integral)) { + /* Don't go through tp_as_number->nb_int to avoid + hitting the classic class fallback to __trunc__. */ + PyObject *int_func = PyObject_GetAttr(integral, int_name); + if (int_func == NULL) { + PyErr_Clear(); /* Raise a different error. */ + goto non_integral_error; + } + Py_DECREF(integral); + integral = PyEval_CallObject(int_func, NULL); + Py_DECREF(int_func); + if (integral && !PyLong_Check(integral)) { + goto non_integral_error; + } + } + return integral; non_integral_error: - PyErr_Format(PyExc_TypeError, error_format, Py_TYPE(integral)->tp_name); - Py_DECREF(integral); - return NULL; + PyErr_Format(PyExc_TypeError, error_format, Py_TYPE(integral)->tp_name); + Py_DECREF(integral); + return NULL; } @@ -1317,134 +1317,134 @@ non_integral_error: static PyObject * long_from_string(const char *s, Py_ssize_t len) { - char *end; - PyObject *x; - - x = PyLong_FromString((char*)s, &end, 10); - if (x == NULL) - return NULL; - if (end != s + len) { - PyErr_SetString(PyExc_ValueError, - "null byte in argument for int()"); - Py_DECREF(x); - return NULL; - } - return x; + char *end; + PyObject *x; + + x = PyLong_FromString((char*)s, &end, 10); + if (x == NULL) + return NULL; + if (end != s + len) { + PyErr_SetString(PyExc_ValueError, + "null byte in argument for int()"); + Py_DECREF(x); + return NULL; + } + return x; } PyObject * PyNumber_Long(PyObject *o) { - PyNumberMethods *m; - static PyObject *trunc_name = NULL; - PyObject *trunc_func; - const char *buffer; - Py_ssize_t buffer_len; - - if (trunc_name == NULL) { - trunc_name = PyUnicode_InternFromString("__trunc__"); - if (trunc_name == NULL) - return NULL; - } - - if (o == NULL) - return null_error(); - if (PyLong_CheckExact(o)) { - Py_INCREF(o); - return o; - } - m = o->ob_type->tp_as_number; - if (m && m->nb_int) { /* This should include subclasses of int */ - PyObject *res = m->nb_int(o); - if (res && !PyLong_Check(res)) { - PyErr_Format(PyExc_TypeError, - "__int__ returned non-int (type %.200s)", - res->ob_type->tp_name); - Py_DECREF(res); - return NULL; - } - return res; - } - if (PyLong_Check(o)) /* An int subclass without nb_int */ - return _PyLong_Copy((PyLongObject *)o); - trunc_func = PyObject_GetAttr(o, trunc_name); - if (trunc_func) { - PyObject *truncated = PyEval_CallObject(trunc_func, NULL); - PyObject *int_instance; - Py_DECREF(trunc_func); - /* __trunc__ is specified to return an Integral type, - but long() needs to return a long. */ - int_instance = _PyNumber_ConvertIntegralToInt( - truncated, - "__trunc__ returned non-Integral (type %.200s)"); - return int_instance; - } - PyErr_Clear(); /* It's not an error if o.__trunc__ doesn't exist. */ - - if (PyBytes_Check(o)) - /* need to do extra error checking that PyLong_FromString() - * doesn't do. In particular long('9.5') must raise an - * exception, not truncate the float. - */ - return long_from_string(PyBytes_AS_STRING(o), - PyBytes_GET_SIZE(o)); - if (PyUnicode_Check(o)) - /* The above check is done in PyLong_FromUnicode(). */ - return PyLong_FromUnicode(PyUnicode_AS_UNICODE(o), - PyUnicode_GET_SIZE(o), - 10); - if (!PyObject_AsCharBuffer(o, &buffer, &buffer_len)) - return long_from_string(buffer, buffer_len); - - return type_error("int() argument must be a string or a " - "number, not '%.200s'", o); + PyNumberMethods *m; + static PyObject *trunc_name = NULL; + PyObject *trunc_func; + const char *buffer; + Py_ssize_t buffer_len; + + if (trunc_name == NULL) { + trunc_name = PyUnicode_InternFromString("__trunc__"); + if (trunc_name == NULL) + return NULL; + } + + if (o == NULL) + return null_error(); + if (PyLong_CheckExact(o)) { + Py_INCREF(o); + return o; + } + m = o->ob_type->tp_as_number; + if (m && m->nb_int) { /* This should include subclasses of int */ + PyObject *res = m->nb_int(o); + if (res && !PyLong_Check(res)) { + PyErr_Format(PyExc_TypeError, + "__int__ returned non-int (type %.200s)", + res->ob_type->tp_name); + Py_DECREF(res); + return NULL; + } + return res; + } + if (PyLong_Check(o)) /* An int subclass without nb_int */ + return _PyLong_Copy((PyLongObject *)o); + trunc_func = PyObject_GetAttr(o, trunc_name); + if (trunc_func) { + PyObject *truncated = PyEval_CallObject(trunc_func, NULL); + PyObject *int_instance; + Py_DECREF(trunc_func); + /* __trunc__ is specified to return an Integral type, + but long() needs to return a long. */ + int_instance = _PyNumber_ConvertIntegralToInt( + truncated, + "__trunc__ returned non-Integral (type %.200s)"); + return int_instance; + } + PyErr_Clear(); /* It's not an error if o.__trunc__ doesn't exist. */ + + if (PyBytes_Check(o)) + /* need to do extra error checking that PyLong_FromString() + * doesn't do. In particular long('9.5') must raise an + * exception, not truncate the float. + */ + return long_from_string(PyBytes_AS_STRING(o), + PyBytes_GET_SIZE(o)); + if (PyUnicode_Check(o)) + /* The above check is done in PyLong_FromUnicode(). */ + return PyLong_FromUnicode(PyUnicode_AS_UNICODE(o), + PyUnicode_GET_SIZE(o), + 10); + if (!PyObject_AsCharBuffer(o, &buffer, &buffer_len)) + return long_from_string(buffer, buffer_len); + + return type_error("int() argument must be a string or a " + "number, not '%.200s'", o); } PyObject * PyNumber_Float(PyObject *o) { - PyNumberMethods *m; - - if (o == NULL) - return null_error(); - m = o->ob_type->tp_as_number; - if (m && m->nb_float) { /* This should include subclasses of float */ - PyObject *res = m->nb_float(o); - if (res && !PyFloat_Check(res)) { - PyErr_Format(PyExc_TypeError, - "__float__ returned non-float (type %.200s)", - res->ob_type->tp_name); - Py_DECREF(res); - return NULL; - } - return res; - } - if (PyFloat_Check(o)) { /* A float subclass with nb_float == NULL */ - PyFloatObject *po = (PyFloatObject *)o; - return PyFloat_FromDouble(po->ob_fval); - } - return PyFloat_FromString(o); + PyNumberMethods *m; + + if (o == NULL) + return null_error(); + m = o->ob_type->tp_as_number; + if (m && m->nb_float) { /* This should include subclasses of float */ + PyObject *res = m->nb_float(o); + if (res && !PyFloat_Check(res)) { + PyErr_Format(PyExc_TypeError, + "__float__ returned non-float (type %.200s)", + res->ob_type->tp_name); + Py_DECREF(res); + return NULL; + } + return res; + } + if (PyFloat_Check(o)) { /* A float subclass with nb_float == NULL */ + PyFloatObject *po = (PyFloatObject *)o; + return PyFloat_FromDouble(po->ob_fval); + } + return PyFloat_FromString(o); } PyObject * PyNumber_ToBase(PyObject *n, int base) { - PyObject *res = NULL; - PyObject *index = PyNumber_Index(n); + PyObject *res = NULL; + PyObject *index = PyNumber_Index(n); - if (!index) - return NULL; - if (PyLong_Check(index)) - res = _PyLong_Format(index, base); - else - /* It should not be possible to get here, as - PyNumber_Index already has a check for the same - condition */ - PyErr_SetString(PyExc_ValueError, "PyNumber_ToBase: index not " - "int or long"); - Py_DECREF(index); - return res; + if (!index) + return NULL; + if (PyLong_Check(index)) + res = _PyLong_Format(index, base); + else + /* It should not be possible to get here, as + PyNumber_Index already has a check for the same + condition */ + PyErr_SetString(PyExc_ValueError, "PyNumber_ToBase: index not " + "int or long"); + Py_DECREF(index); + return res; } @@ -1453,507 +1453,507 @@ PyNumber_ToBase(PyObject *n, int base) int PySequence_Check(PyObject *s) { - if (PyDict_Check(s)) - return 0; - return s != NULL && s->ob_type->tp_as_sequence && - s->ob_type->tp_as_sequence->sq_item != NULL; + if (PyDict_Check(s)) + return 0; + return s != NULL && s->ob_type->tp_as_sequence && + s->ob_type->tp_as_sequence->sq_item != NULL; } Py_ssize_t PySequence_Size(PyObject *s) { - PySequenceMethods *m; + PySequenceMethods *m; - if (s == NULL) { - null_error(); - return -1; - } + if (s == NULL) { + null_error(); + return -1; + } - m = s->ob_type->tp_as_sequence; - if (m && m->sq_length) - return m->sq_length(s); + m = s->ob_type->tp_as_sequence; + if (m && m->sq_length) + return m->sq_length(s); - type_error("object of type '%.200s' has no len()", s); - return -1; + type_error("object of type '%.200s' has no len()", s); + return -1; } #undef PySequence_Length Py_ssize_t PySequence_Length(PyObject *s) { - return PySequence_Size(s); + return PySequence_Size(s); } #define PySequence_Length PySequence_Size PyObject * PySequence_Concat(PyObject *s, PyObject *o) { - PySequenceMethods *m; + PySequenceMethods *m; - if (s == NULL || o == NULL) - return null_error(); + if (s == NULL || o == NULL) + return null_error(); - m = s->ob_type->tp_as_sequence; - if (m && m->sq_concat) - return m->sq_concat(s, o); + m = s->ob_type->tp_as_sequence; + if (m && m->sq_concat) + return m->sq_concat(s, o); - /* Instances of user classes defining an __add__() method only - have an nb_add slot, not an sq_concat slot. So we fall back - to nb_add if both arguments appear to be sequences. */ - if (PySequence_Check(s) && PySequence_Check(o)) { - PyObject *result = binary_op1(s, o, NB_SLOT(nb_add)); - if (result != Py_NotImplemented) - return result; - Py_DECREF(result); - } - return type_error("'%.200s' object can't be concatenated", s); + /* Instances of user classes defining an __add__() method only + have an nb_add slot, not an sq_concat slot. So we fall back + to nb_add if both arguments appear to be sequences. */ + if (PySequence_Check(s) && PySequence_Check(o)) { + PyObject *result = binary_op1(s, o, NB_SLOT(nb_add)); + if (result != Py_NotImplemented) + return result; + Py_DECREF(result); + } + return type_error("'%.200s' object can't be concatenated", s); } PyObject * PySequence_Repeat(PyObject *o, Py_ssize_t count) { - PySequenceMethods *m; - - if (o == NULL) - return null_error(); - - m = o->ob_type->tp_as_sequence; - if (m && m->sq_repeat) - return m->sq_repeat(o, count); - - /* Instances of user classes defining a __mul__() method only - have an nb_multiply slot, not an sq_repeat slot. so we fall back - to nb_multiply if o appears to be a sequence. */ - if (PySequence_Check(o)) { - PyObject *n, *result; - n = PyLong_FromSsize_t(count); - if (n == NULL) - return NULL; - result = binary_op1(o, n, NB_SLOT(nb_multiply)); - Py_DECREF(n); - if (result != Py_NotImplemented) - return result; - Py_DECREF(result); - } - return type_error("'%.200s' object can't be repeated", o); + PySequenceMethods *m; + + if (o == NULL) + return null_error(); + + m = o->ob_type->tp_as_sequence; + if (m && m->sq_repeat) + return m->sq_repeat(o, count); + + /* Instances of user classes defining a __mul__() method only + have an nb_multiply slot, not an sq_repeat slot. so we fall back + to nb_multiply if o appears to be a sequence. */ + if (PySequence_Check(o)) { + PyObject *n, *result; + n = PyLong_FromSsize_t(count); + if (n == NULL) + return NULL; + result = binary_op1(o, n, NB_SLOT(nb_multiply)); + Py_DECREF(n); + if (result != Py_NotImplemented) + return result; + Py_DECREF(result); + } + return type_error("'%.200s' object can't be repeated", o); } PyObject * PySequence_InPlaceConcat(PyObject *s, PyObject *o) { - PySequenceMethods *m; + PySequenceMethods *m; - if (s == NULL || o == NULL) - return null_error(); + if (s == NULL || o == NULL) + return null_error(); - m = s->ob_type->tp_as_sequence; - if (m && m->sq_inplace_concat) - return m->sq_inplace_concat(s, o); - if (m && m->sq_concat) - return m->sq_concat(s, o); + m = s->ob_type->tp_as_sequence; + if (m && m->sq_inplace_concat) + return m->sq_inplace_concat(s, o); + if (m && m->sq_concat) + return m->sq_concat(s, o); - if (PySequence_Check(s) && PySequence_Check(o)) { - PyObject *result = binary_iop1(s, o, NB_SLOT(nb_inplace_add), - NB_SLOT(nb_add)); - if (result != Py_NotImplemented) - return result; - Py_DECREF(result); - } - return type_error("'%.200s' object can't be concatenated", s); + if (PySequence_Check(s) && PySequence_Check(o)) { + PyObject *result = binary_iop1(s, o, NB_SLOT(nb_inplace_add), + NB_SLOT(nb_add)); + if (result != Py_NotImplemented) + return result; + Py_DECREF(result); + } + return type_error("'%.200s' object can't be concatenated", s); } PyObject * PySequence_InPlaceRepeat(PyObject *o, Py_ssize_t count) { - PySequenceMethods *m; - - if (o == NULL) - return null_error(); - - m = o->ob_type->tp_as_sequence; - if (m && m->sq_inplace_repeat) - return m->sq_inplace_repeat(o, count); - if (m && m->sq_repeat) - return m->sq_repeat(o, count); - - if (PySequence_Check(o)) { - PyObject *n, *result; - n = PyLong_FromSsize_t(count); - if (n == NULL) - return NULL; - result = binary_iop1(o, n, NB_SLOT(nb_inplace_multiply), - NB_SLOT(nb_multiply)); - Py_DECREF(n); - if (result != Py_NotImplemented) - return result; - Py_DECREF(result); - } - return type_error("'%.200s' object can't be repeated", o); + PySequenceMethods *m; + + if (o == NULL) + return null_error(); + + m = o->ob_type->tp_as_sequence; + if (m && m->sq_inplace_repeat) + return m->sq_inplace_repeat(o, count); + if (m && m->sq_repeat) + return m->sq_repeat(o, count); + + if (PySequence_Check(o)) { + PyObject *n, *result; + n = PyLong_FromSsize_t(count); + if (n == NULL) + return NULL; + result = binary_iop1(o, n, NB_SLOT(nb_inplace_multiply), + NB_SLOT(nb_multiply)); + Py_DECREF(n); + if (result != Py_NotImplemented) + return result; + Py_DECREF(result); + } + return type_error("'%.200s' object can't be repeated", o); } PyObject * PySequence_GetItem(PyObject *s, Py_ssize_t i) { - PySequenceMethods *m; - - if (s == NULL) - return null_error(); - - m = s->ob_type->tp_as_sequence; - if (m && m->sq_item) { - if (i < 0) { - if (m->sq_length) { - Py_ssize_t l = (*m->sq_length)(s); - if (l < 0) - return NULL; - i += l; - } - } - return m->sq_item(s, i); - } + PySequenceMethods *m; + + if (s == NULL) + return null_error(); + + m = s->ob_type->tp_as_sequence; + if (m && m->sq_item) { + if (i < 0) { + if (m->sq_length) { + Py_ssize_t l = (*m->sq_length)(s); + if (l < 0) + return NULL; + i += l; + } + } + return m->sq_item(s, i); + } - return type_error("'%.200s' object does not support indexing", s); + return type_error("'%.200s' object does not support indexing", s); } PyObject * PySequence_GetSlice(PyObject *s, Py_ssize_t i1, Py_ssize_t i2) { - PyMappingMethods *mp; + PyMappingMethods *mp; - if (!s) return null_error(); + if (!s) return null_error(); - mp = s->ob_type->tp_as_mapping; - if (mp->mp_subscript) { - PyObject *res; - PyObject *slice = _PySlice_FromIndices(i1, i2); - if (!slice) - return NULL; - res = mp->mp_subscript(s, slice); - Py_DECREF(slice); - return res; - } + mp = s->ob_type->tp_as_mapping; + if (mp->mp_subscript) { + PyObject *res; + PyObject *slice = _PySlice_FromIndices(i1, i2); + if (!slice) + return NULL; + res = mp->mp_subscript(s, slice); + Py_DECREF(slice); + return res; + } - return type_error("'%.200s' object is unsliceable", s); + return type_error("'%.200s' object is unsliceable", s); } int PySequence_SetItem(PyObject *s, Py_ssize_t i, PyObject *o) { - PySequenceMethods *m; + PySequenceMethods *m; - if (s == NULL) { - null_error(); - return -1; - } + if (s == NULL) { + null_error(); + return -1; + } - m = s->ob_type->tp_as_sequence; - if (m && m->sq_ass_item) { - if (i < 0) { - if (m->sq_length) { - Py_ssize_t l = (*m->sq_length)(s); - if (l < 0) - return -1; - i += l; - } - } - return m->sq_ass_item(s, i, o); - } + m = s->ob_type->tp_as_sequence; + if (m && m->sq_ass_item) { + if (i < 0) { + if (m->sq_length) { + Py_ssize_t l = (*m->sq_length)(s); + if (l < 0) + return -1; + i += l; + } + } + return m->sq_ass_item(s, i, o); + } - type_error("'%.200s' object does not support item assignment", s); - return -1; + type_error("'%.200s' object does not support item assignment", s); + return -1; } int PySequence_DelItem(PyObject *s, Py_ssize_t i) { - PySequenceMethods *m; + PySequenceMethods *m; - if (s == NULL) { - null_error(); - return -1; - } + if (s == NULL) { + null_error(); + return -1; + } - m = s->ob_type->tp_as_sequence; - if (m && m->sq_ass_item) { - if (i < 0) { - if (m->sq_length) { - Py_ssize_t l = (*m->sq_length)(s); - if (l < 0) - return -1; - i += l; - } - } - return m->sq_ass_item(s, i, (PyObject *)NULL); - } + m = s->ob_type->tp_as_sequence; + if (m && m->sq_ass_item) { + if (i < 0) { + if (m->sq_length) { + Py_ssize_t l = (*m->sq_length)(s); + if (l < 0) + return -1; + i += l; + } + } + return m->sq_ass_item(s, i, (PyObject *)NULL); + } - type_error("'%.200s' object doesn't support item deletion", s); - return -1; + type_error("'%.200s' object doesn't support item deletion", s); + return -1; } int PySequence_SetSlice(PyObject *s, Py_ssize_t i1, Py_ssize_t i2, PyObject *o) { - PyMappingMethods *mp; + PyMappingMethods *mp; - if (s == NULL) { - null_error(); - return -1; - } + if (s == NULL) { + null_error(); + return -1; + } - mp = s->ob_type->tp_as_mapping; - if (mp->mp_ass_subscript) { - int res; - PyObject *slice = _PySlice_FromIndices(i1, i2); - if (!slice) - return -1; - res = mp->mp_ass_subscript(s, slice, o); - Py_DECREF(slice); - return res; - } + mp = s->ob_type->tp_as_mapping; + if (mp->mp_ass_subscript) { + int res; + PyObject *slice = _PySlice_FromIndices(i1, i2); + if (!slice) + return -1; + res = mp->mp_ass_subscript(s, slice, o); + Py_DECREF(slice); + return res; + } - type_error("'%.200s' object doesn't support slice assignment", s); - return -1; + type_error("'%.200s' object doesn't support slice assignment", s); + return -1; } int PySequence_DelSlice(PyObject *s, Py_ssize_t i1, Py_ssize_t i2) { - PyMappingMethods *mp; + PyMappingMethods *mp; - if (s == NULL) { - null_error(); - return -1; - } + if (s == NULL) { + null_error(); + return -1; + } - mp = s->ob_type->tp_as_mapping; - if (mp->mp_ass_subscript) { - int res; - PyObject *slice = _PySlice_FromIndices(i1, i2); - if (!slice) - return -1; - res = mp->mp_ass_subscript(s, slice, NULL); - Py_DECREF(slice); - return res; - } - type_error("'%.200s' object doesn't support slice deletion", s); - return -1; + mp = s->ob_type->tp_as_mapping; + if (mp->mp_ass_subscript) { + int res; + PyObject *slice = _PySlice_FromIndices(i1, i2); + if (!slice) + return -1; + res = mp->mp_ass_subscript(s, slice, NULL); + Py_DECREF(slice); + return res; + } + type_error("'%.200s' object doesn't support slice deletion", s); + return -1; } PyObject * PySequence_Tuple(PyObject *v) { - PyObject *it; /* iter(v) */ - Py_ssize_t n; /* guess for result tuple size */ - PyObject *result = NULL; - Py_ssize_t j; - - if (v == NULL) - return null_error(); - - /* Special-case the common tuple and list cases, for efficiency. */ - if (PyTuple_CheckExact(v)) { - /* Note that we can't know whether it's safe to return - a tuple *subclass* instance as-is, hence the restriction - to exact tuples here. In contrast, lists always make - a copy, so there's no need for exactness below. */ - Py_INCREF(v); - return v; - } - if (PyList_Check(v)) - return PyList_AsTuple(v); - - /* Get iterator. */ - it = PyObject_GetIter(v); - if (it == NULL) - return NULL; - - /* Guess result size and allocate space. */ - n = _PyObject_LengthHint(v, 10); - if (n == -1) - goto Fail; - result = PyTuple_New(n); - if (result == NULL) - goto Fail; - - /* Fill the tuple. */ - for (j = 0; ; ++j) { - PyObject *item = PyIter_Next(it); - if (item == NULL) { - if (PyErr_Occurred()) - goto Fail; - break; - } - if (j >= n) { - Py_ssize_t oldn = n; - /* The over-allocation strategy can grow a bit faster - than for lists because unlike lists the - over-allocation isn't permanent -- we reclaim - the excess before the end of this routine. - So, grow by ten and then add 25%. - */ - n += 10; - n += n >> 2; - if (n < oldn) { - /* Check for overflow */ - PyErr_NoMemory(); - Py_DECREF(item); - goto Fail; - } - if (_PyTuple_Resize(&result, n) != 0) { - Py_DECREF(item); - goto Fail; - } - } - PyTuple_SET_ITEM(result, j, item); - } - - /* Cut tuple back if guess was too large. */ - if (j < n && - _PyTuple_Resize(&result, j) != 0) - goto Fail; - - Py_DECREF(it); - return result; + PyObject *it; /* iter(v) */ + Py_ssize_t n; /* guess for result tuple size */ + PyObject *result = NULL; + Py_ssize_t j; + + if (v == NULL) + return null_error(); + + /* Special-case the common tuple and list cases, for efficiency. */ + if (PyTuple_CheckExact(v)) { + /* Note that we can't know whether it's safe to return + a tuple *subclass* instance as-is, hence the restriction + to exact tuples here. In contrast, lists always make + a copy, so there's no need for exactness below. */ + Py_INCREF(v); + return v; + } + if (PyList_Check(v)) + return PyList_AsTuple(v); + + /* Get iterator. */ + it = PyObject_GetIter(v); + if (it == NULL) + return NULL; + + /* Guess result size and allocate space. */ + n = _PyObject_LengthHint(v, 10); + if (n == -1) + goto Fail; + result = PyTuple_New(n); + if (result == NULL) + goto Fail; + + /* Fill the tuple. */ + for (j = 0; ; ++j) { + PyObject *item = PyIter_Next(it); + if (item == NULL) { + if (PyErr_Occurred()) + goto Fail; + break; + } + if (j >= n) { + Py_ssize_t oldn = n; + /* The over-allocation strategy can grow a bit faster + than for lists because unlike lists the + over-allocation isn't permanent -- we reclaim + the excess before the end of this routine. + So, grow by ten and then add 25%. + */ + n += 10; + n += n >> 2; + if (n < oldn) { + /* Check for overflow */ + PyErr_NoMemory(); + Py_DECREF(item); + goto Fail; + } + if (_PyTuple_Resize(&result, n) != 0) { + Py_DECREF(item); + goto Fail; + } + } + PyTuple_SET_ITEM(result, j, item); + } + + /* Cut tuple back if guess was too large. */ + if (j < n && + _PyTuple_Resize(&result, j) != 0) + goto Fail; + + Py_DECREF(it); + return result; Fail: - Py_XDECREF(result); - Py_DECREF(it); - return NULL; + Py_XDECREF(result); + Py_DECREF(it); + return NULL; } PyObject * PySequence_List(PyObject *v) { - PyObject *result; /* result list */ - PyObject *rv; /* return value from PyList_Extend */ + PyObject *result; /* result list */ + PyObject *rv; /* return value from PyList_Extend */ - if (v == NULL) - return null_error(); + if (v == NULL) + return null_error(); - result = PyList_New(0); - if (result == NULL) - return NULL; + result = PyList_New(0); + if (result == NULL) + return NULL; - rv = _PyList_Extend((PyListObject *)result, v); - if (rv == NULL) { - Py_DECREF(result); - return NULL; - } - Py_DECREF(rv); - return result; + rv = _PyList_Extend((PyListObject *)result, v); + if (rv == NULL) { + Py_DECREF(result); + return NULL; + } + Py_DECREF(rv); + return result; } PyObject * PySequence_Fast(PyObject *v, const char *m) { - PyObject *it; + PyObject *it; - if (v == NULL) - return null_error(); + if (v == NULL) + return null_error(); - if (PyList_CheckExact(v) || PyTuple_CheckExact(v)) { - Py_INCREF(v); - return v; - } + if (PyList_CheckExact(v) || PyTuple_CheckExact(v)) { + Py_INCREF(v); + return v; + } - it = PyObject_GetIter(v); - if (it == NULL) { - if (PyErr_ExceptionMatches(PyExc_TypeError)) - PyErr_SetString(PyExc_TypeError, m); - return NULL; - } + it = PyObject_GetIter(v); + if (it == NULL) { + if (PyErr_ExceptionMatches(PyExc_TypeError)) + PyErr_SetString(PyExc_TypeError, m); + return NULL; + } - v = PySequence_List(it); - Py_DECREF(it); + v = PySequence_List(it); + Py_DECREF(it); - return v; + return v; } /* Iterate over seq. Result depends on the operation: - PY_ITERSEARCH_COUNT: -1 if error, else # of times obj appears in seq. - PY_ITERSEARCH_INDEX: 0-based index of first occurrence of obj in seq; - set ValueError and return -1 if none found; also return -1 on error. + PY_ITERSEARCH_COUNT: -1 if error, else # of times obj appears in seq. + PY_ITERSEARCH_INDEX: 0-based index of first occurrence of obj in seq; + set ValueError and return -1 if none found; also return -1 on error. Py_ITERSEARCH_CONTAINS: return 1 if obj in seq, else 0; -1 on error. */ Py_ssize_t _PySequence_IterSearch(PyObject *seq, PyObject *obj, int operation) { - Py_ssize_t n; - int wrapped; /* for PY_ITERSEARCH_INDEX, true iff n wrapped around */ - PyObject *it; /* iter(seq) */ - - if (seq == NULL || obj == NULL) { - null_error(); - return -1; - } - - it = PyObject_GetIter(seq); - if (it == NULL) { - type_error("argument of type '%.200s' is not iterable", seq); - return -1; - } - - n = wrapped = 0; - for (;;) { - int cmp; - PyObject *item = PyIter_Next(it); - if (item == NULL) { - if (PyErr_Occurred()) - goto Fail; - break; - } - - cmp = PyObject_RichCompareBool(obj, item, Py_EQ); - Py_DECREF(item); - if (cmp < 0) - goto Fail; - if (cmp > 0) { - switch (operation) { - case PY_ITERSEARCH_COUNT: - if (n == PY_SSIZE_T_MAX) { - PyErr_SetString(PyExc_OverflowError, - "count exceeds C integer size"); - goto Fail; - } - ++n; - break; - - case PY_ITERSEARCH_INDEX: - if (wrapped) { - PyErr_SetString(PyExc_OverflowError, - "index exceeds C integer size"); - goto Fail; - } - goto Done; - - case PY_ITERSEARCH_CONTAINS: - n = 1; - goto Done; - - default: - assert(!"unknown operation"); - } - } - - if (operation == PY_ITERSEARCH_INDEX) { - if (n == PY_SSIZE_T_MAX) - wrapped = 1; - ++n; - } - } - - if (operation != PY_ITERSEARCH_INDEX) - goto Done; - - PyErr_SetString(PyExc_ValueError, - "sequence.index(x): x not in sequence"); - /* fall into failure code */ + Py_ssize_t n; + int wrapped; /* for PY_ITERSEARCH_INDEX, true iff n wrapped around */ + PyObject *it; /* iter(seq) */ + + if (seq == NULL || obj == NULL) { + null_error(); + return -1; + } + + it = PyObject_GetIter(seq); + if (it == NULL) { + type_error("argument of type '%.200s' is not iterable", seq); + return -1; + } + + n = wrapped = 0; + for (;;) { + int cmp; + PyObject *item = PyIter_Next(it); + if (item == NULL) { + if (PyErr_Occurred()) + goto Fail; + break; + } + + cmp = PyObject_RichCompareBool(obj, item, Py_EQ); + Py_DECREF(item); + if (cmp < 0) + goto Fail; + if (cmp > 0) { + switch (operation) { + case PY_ITERSEARCH_COUNT: + if (n == PY_SSIZE_T_MAX) { + PyErr_SetString(PyExc_OverflowError, + "count exceeds C integer size"); + goto Fail; + } + ++n; + break; + + case PY_ITERSEARCH_INDEX: + if (wrapped) { + PyErr_SetString(PyExc_OverflowError, + "index exceeds C integer size"); + goto Fail; + } + goto Done; + + case PY_ITERSEARCH_CONTAINS: + n = 1; + goto Done; + + default: + assert(!"unknown operation"); + } + } + + if (operation == PY_ITERSEARCH_INDEX) { + if (n == PY_SSIZE_T_MAX) + wrapped = 1; + ++n; + } + } + + if (operation != PY_ITERSEARCH_INDEX) + goto Done; + + PyErr_SetString(PyExc_ValueError, + "sequence.index(x): x not in sequence"); + /* fall into failure code */ Fail: - n = -1; - /* fall through */ + n = -1; + /* fall through */ Done: - Py_DECREF(it); - return n; + Py_DECREF(it); + return n; } @@ -1961,7 +1961,7 @@ Done: Py_ssize_t PySequence_Count(PyObject *s, PyObject *o) { - return _PySequence_IterSearch(s, o, PY_ITERSEARCH_COUNT); + return _PySequence_IterSearch(s, o, PY_ITERSEARCH_COUNT); } /* Return -1 if error; 1 if ob in seq; 0 if ob not in seq. @@ -1970,12 +1970,12 @@ PySequence_Count(PyObject *s, PyObject *o) int PySequence_Contains(PyObject *seq, PyObject *ob) { - Py_ssize_t result; - PySequenceMethods *sqm = seq->ob_type->tp_as_sequence; - if (sqm != NULL && sqm->sq_contains != NULL) - return (*sqm->sq_contains)(seq, ob); - result = _PySequence_IterSearch(seq, ob, PY_ITERSEARCH_CONTAINS); - return Py_SAFE_DOWNCAST(result, Py_ssize_t, int); + Py_ssize_t result; + PySequenceMethods *sqm = seq->ob_type->tp_as_sequence; + if (sqm != NULL && sqm->sq_contains != NULL) + return (*sqm->sq_contains)(seq, ob); + result = _PySequence_IterSearch(seq, ob, PY_ITERSEARCH_CONTAINS); + return Py_SAFE_DOWNCAST(result, Py_ssize_t, int); } /* Backwards compatibility */ @@ -1983,13 +1983,13 @@ PySequence_Contains(PyObject *seq, PyObject *ob) int PySequence_In(PyObject *w, PyObject *v) { - return PySequence_Contains(w, v); + return PySequence_Contains(w, v); } Py_ssize_t PySequence_Index(PyObject *s, PyObject *o) { - return _PySequence_IterSearch(s, o, PY_ITERSEARCH_INDEX); + return _PySequence_IterSearch(s, o, PY_ITERSEARCH_INDEX); } /* Operations on mappings */ @@ -1997,145 +1997,145 @@ PySequence_Index(PyObject *s, PyObject *o) int PyMapping_Check(PyObject *o) { - return o && o->ob_type->tp_as_mapping && - o->ob_type->tp_as_mapping->mp_subscript; + return o && o->ob_type->tp_as_mapping && + o->ob_type->tp_as_mapping->mp_subscript; } Py_ssize_t PyMapping_Size(PyObject *o) { - PyMappingMethods *m; + PyMappingMethods *m; - if (o == NULL) { - null_error(); - return -1; - } + if (o == NULL) { + null_error(); + return -1; + } - m = o->ob_type->tp_as_mapping; - if (m && m->mp_length) - return m->mp_length(o); + m = o->ob_type->tp_as_mapping; + if (m && m->mp_length) + return m->mp_length(o); - type_error("object of type '%.200s' has no len()", o); - return -1; + type_error("object of type '%.200s' has no len()", o); + return -1; } #undef PyMapping_Length Py_ssize_t PyMapping_Length(PyObject *o) { - return PyMapping_Size(o); + return PyMapping_Size(o); } #define PyMapping_Length PyMapping_Size PyObject * PyMapping_GetItemString(PyObject *o, char *key) { - PyObject *okey, *r; + PyObject *okey, *r; - if (key == NULL) - return null_error(); + if (key == NULL) + return null_error(); - okey = PyUnicode_FromString(key); - if (okey == NULL) - return NULL; - r = PyObject_GetItem(o, okey); - Py_DECREF(okey); - return r; + okey = PyUnicode_FromString(key); + if (okey == NULL) + return NULL; + r = PyObject_GetItem(o, okey); + Py_DECREF(okey); + return r; } int PyMapping_SetItemString(PyObject *o, char *key, PyObject *value) { - PyObject *okey; - int r; + PyObject *okey; + int r; - if (key == NULL) { - null_error(); - return -1; - } + if (key == NULL) { + null_error(); + return -1; + } - okey = PyUnicode_FromString(key); - if (okey == NULL) - return -1; - r = PyObject_SetItem(o, okey, value); - Py_DECREF(okey); - return r; + okey = PyUnicode_FromString(key); + if (okey == NULL) + return -1; + r = PyObject_SetItem(o, okey, value); + Py_DECREF(okey); + return r; } int PyMapping_HasKeyString(PyObject *o, char *key) { - PyObject *v; + PyObject *v; - v = PyMapping_GetItemString(o, key); - if (v) { - Py_DECREF(v); - return 1; - } - PyErr_Clear(); - return 0; + v = PyMapping_GetItemString(o, key); + if (v) { + Py_DECREF(v); + return 1; + } + PyErr_Clear(); + return 0; } int PyMapping_HasKey(PyObject *o, PyObject *key) { - PyObject *v; + PyObject *v; - v = PyObject_GetItem(o, key); - if (v) { - Py_DECREF(v); - return 1; - } - PyErr_Clear(); - return 0; + v = PyObject_GetItem(o, key); + if (v) { + Py_DECREF(v); + return 1; + } + PyErr_Clear(); + return 0; } PyObject * PyMapping_Keys(PyObject *o) { - PyObject *keys; - PyObject *fast; + PyObject *keys; + PyObject *fast; - if (PyDict_CheckExact(o)) - return PyDict_Keys(o); - keys = PyObject_CallMethod(o, "keys", NULL); - if (keys == NULL) - return NULL; - fast = PySequence_Fast(keys, "o.keys() are not iterable"); - Py_DECREF(keys); - return fast; + if (PyDict_CheckExact(o)) + return PyDict_Keys(o); + keys = PyObject_CallMethod(o, "keys", NULL); + if (keys == NULL) + return NULL; + fast = PySequence_Fast(keys, "o.keys() are not iterable"); + Py_DECREF(keys); + return fast; } PyObject * PyMapping_Items(PyObject *o) { - PyObject *items; - PyObject *fast; + PyObject *items; + PyObject *fast; - if (PyDict_CheckExact(o)) - return PyDict_Items(o); - items = PyObject_CallMethod(o, "items", NULL); - if (items == NULL) - return NULL; - fast = PySequence_Fast(items, "o.items() are not iterable"); - Py_DECREF(items); - return fast; + if (PyDict_CheckExact(o)) + return PyDict_Items(o); + items = PyObject_CallMethod(o, "items", NULL); + if (items == NULL) + return NULL; + fast = PySequence_Fast(items, "o.items() are not iterable"); + Py_DECREF(items); + return fast; } PyObject * PyMapping_Values(PyObject *o) { - PyObject *values; - PyObject *fast; + PyObject *values; + PyObject *fast; - if (PyDict_CheckExact(o)) - return PyDict_Values(o); - values = PyObject_CallMethod(o, "values", NULL); - if (values == NULL) - return NULL; - fast = PySequence_Fast(values, "o.values() are not iterable"); - Py_DECREF(values); - return fast; + if (PyDict_CheckExact(o)) + return PyDict_Values(o); + values = PyObject_CallMethod(o, "values", NULL); + if (values == NULL) + return NULL; + fast = PySequence_Fast(values, "o.values() are not iterable"); + Py_DECREF(values); + return fast; } /* Operations on callable objects */ @@ -2145,253 +2145,253 @@ PyMapping_Values(PyObject *o) PyObject * PyObject_CallObject(PyObject *o, PyObject *a) { - return PyEval_CallObjectWithKeywords(o, a, NULL); + return PyEval_CallObjectWithKeywords(o, a, NULL); } PyObject * PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) { - ternaryfunc call; - - if ((call = func->ob_type->tp_call) != NULL) { - PyObject *result; - if (Py_EnterRecursiveCall(" while calling a Python object")) - return NULL; - result = (*call)(func, arg, kw); - Py_LeaveRecursiveCall(); - if (result == NULL && !PyErr_Occurred()) - PyErr_SetString( - PyExc_SystemError, - "NULL result without error in PyObject_Call"); - return result; - } - PyErr_Format(PyExc_TypeError, "'%.200s' object is not callable", - func->ob_type->tp_name); - return NULL; + ternaryfunc call; + + if ((call = func->ob_type->tp_call) != NULL) { + PyObject *result; + if (Py_EnterRecursiveCall(" while calling a Python object")) + return NULL; + result = (*call)(func, arg, kw); + Py_LeaveRecursiveCall(); + if (result == NULL && !PyErr_Occurred()) + PyErr_SetString( + PyExc_SystemError, + "NULL result without error in PyObject_Call"); + return result; + } + PyErr_Format(PyExc_TypeError, "'%.200s' object is not callable", + func->ob_type->tp_name); + return NULL; } static PyObject* call_function_tail(PyObject *callable, PyObject *args) { - PyObject *retval; + PyObject *retval; - if (args == NULL) - return NULL; + if (args == NULL) + return NULL; - if (!PyTuple_Check(args)) { - PyObject *a; + if (!PyTuple_Check(args)) { + PyObject *a; - a = PyTuple_New(1); - if (a == NULL) { - Py_DECREF(args); - return NULL; - } - PyTuple_SET_ITEM(a, 0, args); - args = a; - } - retval = PyObject_Call(callable, args, NULL); + a = PyTuple_New(1); + if (a == NULL) { + Py_DECREF(args); + return NULL; + } + PyTuple_SET_ITEM(a, 0, args); + args = a; + } + retval = PyObject_Call(callable, args, NULL); - Py_DECREF(args); + Py_DECREF(args); - return retval; + return retval; } PyObject * PyObject_CallFunction(PyObject *callable, char *format, ...) { - va_list va; - PyObject *args; + va_list va; + PyObject *args; - if (callable == NULL) - return null_error(); + if (callable == NULL) + return null_error(); - if (format && *format) { - va_start(va, format); - args = Py_VaBuildValue(format, va); - va_end(va); - } - else - args = PyTuple_New(0); + if (format && *format) { + va_start(va, format); + args = Py_VaBuildValue(format, va); + va_end(va); + } + else + args = PyTuple_New(0); - return call_function_tail(callable, args); + return call_function_tail(callable, args); } PyObject * _PyObject_CallFunction_SizeT(PyObject *callable, char *format, ...) { - va_list va; - PyObject *args; + va_list va; + PyObject *args; - if (callable == NULL) - return null_error(); + if (callable == NULL) + return null_error(); - if (format && *format) { - va_start(va, format); - args = _Py_VaBuildValue_SizeT(format, va); - va_end(va); - } - else - args = PyTuple_New(0); + if (format && *format) { + va_start(va, format); + args = _Py_VaBuildValue_SizeT(format, va); + va_end(va); + } + else + args = PyTuple_New(0); - return call_function_tail(callable, args); + return call_function_tail(callable, args); } PyObject * PyObject_CallMethod(PyObject *o, char *name, char *format, ...) { - va_list va; - PyObject *args; - PyObject *func = NULL; - PyObject *retval = NULL; + va_list va; + PyObject *args; + PyObject *func = NULL; + PyObject *retval = NULL; - if (o == NULL || name == NULL) - return null_error(); + if (o == NULL || name == NULL) + return null_error(); - func = PyObject_GetAttrString(o, name); - if (func == NULL) { - PyErr_SetString(PyExc_AttributeError, name); - return 0; - } + func = PyObject_GetAttrString(o, name); + if (func == NULL) { + PyErr_SetString(PyExc_AttributeError, name); + return 0; + } - if (!PyCallable_Check(func)) { - type_error("attribute of type '%.200s' is not callable", func); - goto exit; - } + if (!PyCallable_Check(func)) { + type_error("attribute of type '%.200s' is not callable", func); + goto exit; + } - if (format && *format) { - va_start(va, format); - args = Py_VaBuildValue(format, va); - va_end(va); - } - else - args = PyTuple_New(0); + if (format && *format) { + va_start(va, format); + args = Py_VaBuildValue(format, va); + va_end(va); + } + else + args = PyTuple_New(0); - retval = call_function_tail(func, args); + retval = call_function_tail(func, args); exit: - /* args gets consumed in call_function_tail */ - Py_XDECREF(func); + /* args gets consumed in call_function_tail */ + Py_XDECREF(func); - return retval; + return retval; } PyObject * _PyObject_CallMethod_SizeT(PyObject *o, char *name, char *format, ...) { - va_list va; - PyObject *args; - PyObject *func = NULL; - PyObject *retval = NULL; + va_list va; + PyObject *args; + PyObject *func = NULL; + PyObject *retval = NULL; - if (o == NULL || name == NULL) - return null_error(); + if (o == NULL || name == NULL) + return null_error(); - func = PyObject_GetAttrString(o, name); - if (func == NULL) { - PyErr_SetString(PyExc_AttributeError, name); - return 0; - } + func = PyObject_GetAttrString(o, name); + if (func == NULL) { + PyErr_SetString(PyExc_AttributeError, name); + return 0; + } - if (!PyCallable_Check(func)) { - type_error("attribute of type '%.200s' is not callable", func); - goto exit; - } + if (!PyCallable_Check(func)) { + type_error("attribute of type '%.200s' is not callable", func); + goto exit; + } - if (format && *format) { - va_start(va, format); - args = _Py_VaBuildValue_SizeT(format, va); - va_end(va); - } - else - args = PyTuple_New(0); + if (format && *format) { + va_start(va, format); + args = _Py_VaBuildValue_SizeT(format, va); + va_end(va); + } + else + args = PyTuple_New(0); - retval = call_function_tail(func, args); + retval = call_function_tail(func, args); exit: - /* args gets consumed in call_function_tail */ - Py_XDECREF(func); + /* args gets consumed in call_function_tail */ + Py_XDECREF(func); - return retval; + return retval; } static PyObject * objargs_mktuple(va_list va) { - int i, n = 0; - va_list countva; - PyObject *result, *tmp; + int i, n = 0; + va_list countva; + PyObject *result, *tmp; #ifdef VA_LIST_IS_ARRAY - memcpy(countva, va, sizeof(va_list)); + memcpy(countva, va, sizeof(va_list)); #else #ifdef __va_copy - __va_copy(countva, va); + __va_copy(countva, va); #else - countva = va; + countva = va; #endif #endif - while (((PyObject *)va_arg(countva, PyObject *)) != NULL) - ++n; - result = PyTuple_New(n); - if (result != NULL && n > 0) { - for (i = 0; i < n; ++i) { - tmp = (PyObject *)va_arg(va, PyObject *); - PyTuple_SET_ITEM(result, i, tmp); - Py_INCREF(tmp); - } - } - return result; + while (((PyObject *)va_arg(countva, PyObject *)) != NULL) + ++n; + result = PyTuple_New(n); + if (result != NULL && n > 0) { + for (i = 0; i < n; ++i) { + tmp = (PyObject *)va_arg(va, PyObject *); + PyTuple_SET_ITEM(result, i, tmp); + Py_INCREF(tmp); + } + } + return result; } PyObject * PyObject_CallMethodObjArgs(PyObject *callable, PyObject *name, ...) { - PyObject *args, *tmp; - va_list vargs; + PyObject *args, *tmp; + va_list vargs; - if (callable == NULL || name == NULL) - return null_error(); + if (callable == NULL || name == NULL) + return null_error(); - callable = PyObject_GetAttr(callable, name); - if (callable == NULL) - return NULL; + callable = PyObject_GetAttr(callable, name); + if (callable == NULL) + return NULL; - /* count the args */ - va_start(vargs, name); - args = objargs_mktuple(vargs); - va_end(vargs); - if (args == NULL) { - Py_DECREF(callable); - return NULL; - } - tmp = PyObject_Call(callable, args, NULL); - Py_DECREF(args); - Py_DECREF(callable); + /* count the args */ + va_start(vargs, name); + args = objargs_mktuple(vargs); + va_end(vargs); + if (args == NULL) { + Py_DECREF(callable); + return NULL; + } + tmp = PyObject_Call(callable, args, NULL); + Py_DECREF(args); + Py_DECREF(callable); - return tmp; + return tmp; } PyObject * PyObject_CallFunctionObjArgs(PyObject *callable, ...) { - PyObject *args, *tmp; - va_list vargs; + PyObject *args, *tmp; + va_list vargs; - if (callable == NULL) - return null_error(); + if (callable == NULL) + return null_error(); - /* count the args */ - va_start(vargs, callable); - args = objargs_mktuple(vargs); - va_end(vargs); - if (args == NULL) - return NULL; - tmp = PyObject_Call(callable, args, NULL); - Py_DECREF(args); + /* count the args */ + va_start(vargs, callable); + args = objargs_mktuple(vargs); + va_end(vargs); + if (args == NULL) + return NULL; + tmp = PyObject_Call(callable, args, NULL); + Py_DECREF(args); - return tmp; + return tmp; } @@ -2415,7 +2415,7 @@ PyObject_CallFunctionObjArgs(PyObject *callable, ...) * produce exactly the same results: NULL is returned and no error is set. * * If some exception other than AttributeError is raised, then NULL is also - * returned, but the exception is not cleared. That's because we want the + * returned, but the exception is not cleared. That's because we want the * exception to be propagated along. * * Callers are expected to test for PyErr_Occurred() when the return value @@ -2426,282 +2426,282 @@ PyObject_CallFunctionObjArgs(PyObject *callable, ...) static PyObject * abstract_get_bases(PyObject *cls) { - static PyObject *__bases__ = NULL; - PyObject *bases; - - if (__bases__ == NULL) { - __bases__ = PyUnicode_InternFromString("__bases__"); - if (__bases__ == NULL) - return NULL; - } - Py_ALLOW_RECURSION - bases = PyObject_GetAttr(cls, __bases__); - Py_END_ALLOW_RECURSION - if (bases == NULL) { - if (PyErr_ExceptionMatches(PyExc_AttributeError)) - PyErr_Clear(); - return NULL; - } - if (!PyTuple_Check(bases)) { - Py_DECREF(bases); - return NULL; - } - return bases; + static PyObject *__bases__ = NULL; + PyObject *bases; + + if (__bases__ == NULL) { + __bases__ = PyUnicode_InternFromString("__bases__"); + if (__bases__ == NULL) + return NULL; + } + Py_ALLOW_RECURSION + bases = PyObject_GetAttr(cls, __bases__); + Py_END_ALLOW_RECURSION + if (bases == NULL) { + if (PyErr_ExceptionMatches(PyExc_AttributeError)) + PyErr_Clear(); + return NULL; + } + if (!PyTuple_Check(bases)) { + Py_DECREF(bases); + return NULL; + } + return bases; } static int abstract_issubclass(PyObject *derived, PyObject *cls) { - PyObject *bases = NULL; - Py_ssize_t i, n; - int r = 0; - - while (1) { - if (derived == cls) - return 1; - bases = abstract_get_bases(derived); - if (bases == NULL) { - if (PyErr_Occurred()) - return -1; - return 0; - } - n = PyTuple_GET_SIZE(bases); - if (n == 0) { - Py_DECREF(bases); - return 0; - } - /* Avoid recursivity in the single inheritance case */ - if (n == 1) { - derived = PyTuple_GET_ITEM(bases, 0); - Py_DECREF(bases); - continue; - } - for (i = 0; i < n; i++) { - r = abstract_issubclass(PyTuple_GET_ITEM(bases, i), cls); - if (r != 0) - break; - } - Py_DECREF(bases); - return r; - } + PyObject *bases = NULL; + Py_ssize_t i, n; + int r = 0; + + while (1) { + if (derived == cls) + return 1; + bases = abstract_get_bases(derived); + if (bases == NULL) { + if (PyErr_Occurred()) + return -1; + return 0; + } + n = PyTuple_GET_SIZE(bases); + if (n == 0) { + Py_DECREF(bases); + return 0; + } + /* Avoid recursivity in the single inheritance case */ + if (n == 1) { + derived = PyTuple_GET_ITEM(bases, 0); + Py_DECREF(bases); + continue; + } + for (i = 0; i < n; i++) { + r = abstract_issubclass(PyTuple_GET_ITEM(bases, i), cls); + if (r != 0) + break; + } + Py_DECREF(bases); + return r; + } } static int check_class(PyObject *cls, const char *error) { - PyObject *bases = abstract_get_bases(cls); - if (bases == NULL) { - /* Do not mask errors. */ - if (!PyErr_Occurred()) - PyErr_SetString(PyExc_TypeError, error); - return 0; - } - Py_DECREF(bases); - return -1; + PyObject *bases = abstract_get_bases(cls); + if (bases == NULL) { + /* Do not mask errors. */ + if (!PyErr_Occurred()) + PyErr_SetString(PyExc_TypeError, error); + return 0; + } + Py_DECREF(bases); + return -1; } static int recursive_isinstance(PyObject *inst, PyObject *cls) { - PyObject *icls; - static PyObject *__class__ = NULL; - int retval = 0; - - if (__class__ == NULL) { - __class__ = PyUnicode_InternFromString("__class__"); - if (__class__ == NULL) - return -1; - } - - if (PyType_Check(cls)) { - retval = PyObject_TypeCheck(inst, (PyTypeObject *)cls); - if (retval == 0) { - PyObject *c = PyObject_GetAttr(inst, __class__); - if (c == NULL) { - PyErr_Clear(); - } - else { - if (c != (PyObject *)(inst->ob_type) && - PyType_Check(c)) - retval = PyType_IsSubtype( - (PyTypeObject *)c, - (PyTypeObject *)cls); - Py_DECREF(c); - } - } - } - else { - if (!check_class(cls, - "isinstance() arg 2 must be a class, type," - " or tuple of classes and types")) - return -1; - icls = PyObject_GetAttr(inst, __class__); - if (icls == NULL) { - PyErr_Clear(); - retval = 0; - } - else { - retval = abstract_issubclass(icls, cls); - Py_DECREF(icls); - } - } - - return retval; + PyObject *icls; + static PyObject *__class__ = NULL; + int retval = 0; + + if (__class__ == NULL) { + __class__ = PyUnicode_InternFromString("__class__"); + if (__class__ == NULL) + return -1; + } + + if (PyType_Check(cls)) { + retval = PyObject_TypeCheck(inst, (PyTypeObject *)cls); + if (retval == 0) { + PyObject *c = PyObject_GetAttr(inst, __class__); + if (c == NULL) { + PyErr_Clear(); + } + else { + if (c != (PyObject *)(inst->ob_type) && + PyType_Check(c)) + retval = PyType_IsSubtype( + (PyTypeObject *)c, + (PyTypeObject *)cls); + Py_DECREF(c); + } + } + } + else { + if (!check_class(cls, + "isinstance() arg 2 must be a class, type," + " or tuple of classes and types")) + return -1; + icls = PyObject_GetAttr(inst, __class__); + if (icls == NULL) { + PyErr_Clear(); + retval = 0; + } + else { + retval = abstract_issubclass(icls, cls); + Py_DECREF(icls); + } + } + + return retval; } int PyObject_IsInstance(PyObject *inst, PyObject *cls) { - static PyObject *name = NULL; - PyObject *checker; - - /* Quick test for an exact match */ - if (Py_TYPE(inst) == (PyTypeObject *)cls) - return 1; - - if (PyTuple_Check(cls)) { - Py_ssize_t i; - Py_ssize_t n; - int r = 0; - - if (Py_EnterRecursiveCall(" in __instancecheck__")) - return -1; - n = PyTuple_GET_SIZE(cls); - for (i = 0; i < n; ++i) { - PyObject *item = PyTuple_GET_ITEM(cls, i); - r = PyObject_IsInstance(inst, item); - if (r != 0) - /* either found it, or got an error */ - break; - } - Py_LeaveRecursiveCall(); - return r; - } - - checker = _PyObject_LookupSpecial(cls, "__instancecheck__", &name); - if (checker != NULL) { - PyObject *res; - int ok = -1; - if (Py_EnterRecursiveCall(" in __instancecheck__")) { - Py_DECREF(checker); - return ok; - } - res = PyObject_CallFunctionObjArgs(checker, inst, NULL); - Py_LeaveRecursiveCall(); - Py_DECREF(checker); - if (res != NULL) { - ok = PyObject_IsTrue(res); - Py_DECREF(res); - } - return ok; - } - else if (PyErr_Occurred()) - return -1; - return recursive_isinstance(inst, cls); -} - -static int + static PyObject *name = NULL; + PyObject *checker; + + /* Quick test for an exact match */ + if (Py_TYPE(inst) == (PyTypeObject *)cls) + return 1; + + if (PyTuple_Check(cls)) { + Py_ssize_t i; + Py_ssize_t n; + int r = 0; + + if (Py_EnterRecursiveCall(" in __instancecheck__")) + return -1; + n = PyTuple_GET_SIZE(cls); + for (i = 0; i < n; ++i) { + PyObject *item = PyTuple_GET_ITEM(cls, i); + r = PyObject_IsInstance(inst, item); + if (r != 0) + /* either found it, or got an error */ + break; + } + Py_LeaveRecursiveCall(); + return r; + } + + checker = _PyObject_LookupSpecial(cls, "__instancecheck__", &name); + if (checker != NULL) { + PyObject *res; + int ok = -1; + if (Py_EnterRecursiveCall(" in __instancecheck__")) { + Py_DECREF(checker); + return ok; + } + res = PyObject_CallFunctionObjArgs(checker, inst, NULL); + Py_LeaveRecursiveCall(); + Py_DECREF(checker); + if (res != NULL) { + ok = PyObject_IsTrue(res); + Py_DECREF(res); + } + return ok; + } + else if (PyErr_Occurred()) + return -1; + return recursive_isinstance(inst, cls); +} + +static int recursive_issubclass(PyObject *derived, PyObject *cls) { - if (PyType_Check(cls) && PyType_Check(derived)) { - /* Fast path (non-recursive) */ - return PyType_IsSubtype((PyTypeObject *)derived, (PyTypeObject *)cls); - } - if (!check_class(derived, - "issubclass() arg 1 must be a class")) - return -1; - if (!check_class(cls, - "issubclass() arg 2 must be a class" - " or tuple of classes")) - return -1; + if (PyType_Check(cls) && PyType_Check(derived)) { + /* Fast path (non-recursive) */ + return PyType_IsSubtype((PyTypeObject *)derived, (PyTypeObject *)cls); + } + if (!check_class(derived, + "issubclass() arg 1 must be a class")) + return -1; + if (!check_class(cls, + "issubclass() arg 2 must be a class" + " or tuple of classes")) + return -1; - return abstract_issubclass(derived, cls); + return abstract_issubclass(derived, cls); } int PyObject_IsSubclass(PyObject *derived, PyObject *cls) { - static PyObject *name = NULL; - PyObject *checker; - - if (PyTuple_Check(cls)) { - Py_ssize_t i; - Py_ssize_t n; - int r = 0; - - if (Py_EnterRecursiveCall(" in __subclasscheck__")) - return -1; - n = PyTuple_GET_SIZE(cls); - for (i = 0; i < n; ++i) { - PyObject *item = PyTuple_GET_ITEM(cls, i); - r = PyObject_IsSubclass(derived, item); - if (r != 0) - /* either found it, or got an error */ - break; - } - Py_LeaveRecursiveCall(); - return r; - } - - checker = _PyObject_LookupSpecial(cls, "__subclasscheck__", &name); - if (checker != NULL) { - PyObject *res; - int ok = -1; - if (Py_EnterRecursiveCall(" in __subclasscheck__")) { - Py_DECREF(checker); - return ok; - } - res = PyObject_CallFunctionObjArgs(checker, derived, NULL); - Py_LeaveRecursiveCall(); - Py_DECREF(checker); - if (res != NULL) { - ok = PyObject_IsTrue(res); - Py_DECREF(res); - } - return ok; - } - else if (PyErr_Occurred()) - return -1; - return recursive_issubclass(derived, cls); + static PyObject *name = NULL; + PyObject *checker; + + if (PyTuple_Check(cls)) { + Py_ssize_t i; + Py_ssize_t n; + int r = 0; + + if (Py_EnterRecursiveCall(" in __subclasscheck__")) + return -1; + n = PyTuple_GET_SIZE(cls); + for (i = 0; i < n; ++i) { + PyObject *item = PyTuple_GET_ITEM(cls, i); + r = PyObject_IsSubclass(derived, item); + if (r != 0) + /* either found it, or got an error */ + break; + } + Py_LeaveRecursiveCall(); + return r; + } + + checker = _PyObject_LookupSpecial(cls, "__subclasscheck__", &name); + if (checker != NULL) { + PyObject *res; + int ok = -1; + if (Py_EnterRecursiveCall(" in __subclasscheck__")) { + Py_DECREF(checker); + return ok; + } + res = PyObject_CallFunctionObjArgs(checker, derived, NULL); + Py_LeaveRecursiveCall(); + Py_DECREF(checker); + if (res != NULL) { + ok = PyObject_IsTrue(res); + Py_DECREF(res); + } + return ok; + } + else if (PyErr_Occurred()) + return -1; + return recursive_issubclass(derived, cls); } int _PyObject_RealIsInstance(PyObject *inst, PyObject *cls) { - return recursive_isinstance(inst, cls); + return recursive_isinstance(inst, cls); } int _PyObject_RealIsSubclass(PyObject *derived, PyObject *cls) { - return recursive_issubclass(derived, cls); + return recursive_issubclass(derived, cls); } PyObject * PyObject_GetIter(PyObject *o) { - PyTypeObject *t = o->ob_type; - getiterfunc f = NULL; - f = t->tp_iter; - if (f == NULL) { - if (PySequence_Check(o)) - return PySeqIter_New(o); - return type_error("'%.200s' object is not iterable", o); - } - else { - PyObject *res = (*f)(o); - if (res != NULL && !PyIter_Check(res)) { - PyErr_Format(PyExc_TypeError, - "iter() returned non-iterator " - "of type '%.100s'", - res->ob_type->tp_name); - Py_DECREF(res); - res = NULL; - } - return res; - } + PyTypeObject *t = o->ob_type; + getiterfunc f = NULL; + f = t->tp_iter; + if (f == NULL) { + if (PySequence_Check(o)) + return PySeqIter_New(o); + return type_error("'%.200s' object is not iterable", o); + } + else { + PyObject *res = (*f)(o); + if (res != NULL && !PyIter_Check(res)) { + PyErr_Format(PyExc_TypeError, + "iter() returned non-iterator " + "of type '%.100s'", + res->ob_type->tp_name); + Py_DECREF(res); + res = NULL; + } + return res; + } } /* Return next item. @@ -2709,18 +2709,18 @@ PyObject_GetIter(PyObject *o) * If the iteration terminates normally, return NULL and clear the * PyExc_StopIteration exception (if it was set). PyErr_Occurred() * will be false. - * Else return the next object. PyErr_Occurred() will be false. + * Else return the next object. PyErr_Occurred() will be false. */ PyObject * PyIter_Next(PyObject *iter) { - PyObject *result; - result = (*iter->ob_type->tp_iternext)(iter); - if (result == NULL && - PyErr_Occurred() && - PyErr_ExceptionMatches(PyExc_StopIteration)) - PyErr_Clear(); - return result; + PyObject *result; + result = (*iter->ob_type->tp_iternext)(iter); + if (result == NULL && + PyErr_Occurred() && + PyErr_ExceptionMatches(PyExc_StopIteration)) + PyErr_Clear(); + return result; } @@ -2735,43 +2735,43 @@ PyIter_Next(PyObject *iter) char *const * _PySequence_BytesToCharpArray(PyObject* self) { - char **array; - Py_ssize_t i, argc; - PyObject *item = NULL; - - argc = PySequence_Size(self); - if (argc == -1) - return NULL; - - array = malloc((argc + 1) * sizeof(char *)); - if (array == NULL) { - PyErr_NoMemory(); - return NULL; - } - for (i = 0; i < argc; ++i) { - char *data; - item = PySequence_GetItem(self, i); - data = PyBytes_AsString(item); - if (data == NULL) { - /* NULL terminate before freeing. */ - array[i] = NULL; - goto fail; - } - array[i] = strdup(data); - if (!array[i]) { - PyErr_NoMemory(); - goto fail; - } - Py_DECREF(item); - } - array[argc] = NULL; - - return array; + char **array; + Py_ssize_t i, argc; + PyObject *item = NULL; + + argc = PySequence_Size(self); + if (argc == -1) + return NULL; + + array = malloc((argc + 1) * sizeof(char *)); + if (array == NULL) { + PyErr_NoMemory(); + return NULL; + } + for (i = 0; i < argc; ++i) { + char *data; + item = PySequence_GetItem(self, i); + data = PyBytes_AsString(item); + if (data == NULL) { + /* NULL terminate before freeing. */ + array[i] = NULL; + goto fail; + } + array[i] = strdup(data); + if (!array[i]) { + PyErr_NoMemory(); + goto fail; + } + Py_DECREF(item); + } + array[argc] = NULL; + + return array; fail: - Py_XDECREF(item); - _Py_FreeCharPArray(array); - return NULL; + Py_XDECREF(item); + _Py_FreeCharPArray(array); + return NULL; } @@ -2779,9 +2779,9 @@ fail: void _Py_FreeCharPArray(char *const array[]) { - Py_ssize_t i; - for (i = 0; array[i] != NULL; ++i) { - free(array[i]); - } - free((void*)array); + Py_ssize_t i; + for (i = 0; array[i] != NULL; ++i) { + free(array[i]); + } + free((void*)array); } |