Expand Up
@@ -284,7 +284,8 @@ mmap_read_method(mmap_object *self,
CHECK_VALID(NULL);
if (!PyArg_ParseTuple(args, "|O&:read", _Py_convert_optional_to_ssize_t, &num_bytes))
return(NULL);
return NULL;
CHECK_VALID(NULL);
/* silently 'adjust' out-of-range requests */
remaining = (self->pos < self->size) ? self->size - self->pos : 0;
Expand Down
Expand Up
@@ -325,6 +326,7 @@ mmap_gfind(mmap_object *self,
end = self->size;
Py_ssize_t res;
CHECK_VALID(NULL);
if (reverse) {
res = _PyBytes_ReverseFind(
self->data + start, end - start,
Expand Down
Expand Up
@@ -388,7 +390,7 @@ mmap_write_method(mmap_object *self,
CHECK_VALID(NULL);
if (!PyArg_ParseTuple(args, "y*:write", &data))
return(NULL);
return NULL;
if (!is_writable(self)) {
PyBuffer_Release(&data);
Expand All
@@ -401,6 +403,7 @@ mmap_write_method(mmap_object *self,
return NULL;
}
CHECK_VALID(NULL);
memcpy(&self->data[self->pos], data.buf, data.len);
self->pos += data.len;
PyBuffer_Release(&data);
Expand All
@@ -420,6 +423,7 @@ mmap_write_byte_method(mmap_object *self,
if (!is_writable(self))
return NULL;
CHECK_VALID(NULL);
if (self->pos < self->size) {
self->data[self->pos++] = value;
Py_RETURN_NONE;
Expand Down
Expand Up
@@ -724,6 +728,7 @@ mmap_move_method(mmap_object *self, PyObject *args)
if (self->size - dest < cnt || self->size - src < cnt)
goto bounds;
CHECK_VALID(NULL);
memmove(&self->data[dest], &self->data[src], cnt);
Py_RETURN_NONE;
Expand Down
Expand Up
@@ -847,6 +852,7 @@ mmap_madvise_method(mmap_object *self, PyObject *args)
length = self->size - start;
}
CHECK_VALID(NULL);
if (madvise(self->data + start, length, option) != 0) {
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
Expand Down
Expand Up
@@ -945,6 +951,7 @@ mmap_subscript(mmap_object *self, PyObject *item)
"mmap index out of range");
return NULL;
}
CHECK_VALID(NULL);
return PyLong_FromLong(Py_CHARMASK(self->data[i]));
}
else if (PySlice_Check(item)) {
Expand All
@@ -955,6 +962,7 @@ mmap_subscript(mmap_object *self, PyObject *item)
}
slicelen = PySlice_AdjustIndices(self->size, &start, &stop, step);
CHECK_VALID(NULL);
if (slicelen <= 0)
return PyBytes_FromStringAndSize("", 0);
else if (step == 1)
Expand All
@@ -968,6 +976,7 @@ mmap_subscript(mmap_object *self, PyObject *item)
if (result_buf == NULL)
return PyErr_NoMemory();
for (cur = start, i = 0; i < slicelen;
cur += step, i++) {
result_buf[i] = self->data[cur];
Expand Down
Expand Up
@@ -1052,6 +1061,7 @@ mmap_ass_subscript(mmap_object *self, PyObject *item, PyObject *value)
"in range(0, 256)");
return -1;
}
CHECK_VALID(-1);
self->data[i] = (char) v;
return 0;
}
Expand All
@@ -1077,6 +1087,7 @@ mmap_ass_subscript(mmap_object *self, PyObject *item, PyObject *value)
return -1;
}
CHECK_VALID(-1);
if (slicelen == 0) {
}
else if (step == 1) {
Expand Down