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Issue #22896: Avoid to use PyObject_AsCharBuffer(), PyObject_AsReadBuffer()

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and PyObject_AsWriteBuffer().
This commit is contained in:
Serhiy Storchaka 2015-02-03 01:21:08 +02:00
parent b0ef78535a
commit 4fdb68491e
17 changed files with 327 additions and 335 deletions
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10
Modules/_io/bytesio.c
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@ -437,17 +437,18 @@ PyDoc_STRVAR(readinto_doc,
"is set not to block as has no data to read.");
static PyObject *
bytesio_readinto(bytesio *self, PyObject *buffer)
bytesio_readinto(bytesio *self, PyObject *arg)
{
void *raw_buffer;
Py_buffer buffer;
Py_ssize_t len, n;
CHECK_CLOSED(self);
if (PyObject_AsWriteBuffer(buffer, &raw_buffer, &len) == -1)
if (!PyArg_Parse(arg, "w*", &buffer))
return NULL;
/* adjust invalid sizes */
len = buffer.len;
n = self->string_size - self->pos;
if (len > n) {
len = n;
@ -455,10 +456,11 @@ bytesio_readinto(bytesio *self, PyObject *buffer)
len = 0;
}
memcpy(raw_buffer, self->buf + self->pos, len);
memcpy(buffer.buf, self->buf + self->pos, len);
assert(self->pos + len < PY_SSIZE_T_MAX);
assert(len >= 0);
self->pos += len;
PyBuffer_Release(&buffer);
return PyLong_FromSsize_t(len);
}