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updated for version 7.3.942

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Problem:    Python: SEGV in Buffer functions.
Solution:   Call CheckBuffer() at the right time. (ZyX)
This commit is contained in:
Bram Moolenaar
2013-05-12 20:36:14 +02:00
parent 3d0c52db9c
commit 8f1723de47
4 changed files with 28 additions and 13 deletions
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25
src/if_py_both.h
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@@ -2391,6 +2391,9 @@ RBItem(BufferObject *self, PyInt n, PyInt start, PyInt end)
if (CheckBuffer(self))
return NULL;
if (end == -1)
end = self->buf->b_ml.ml_line_count;
if (n < 0 || n > end - start)
{
PyErr_SetString(PyExc_IndexError, _("line number out of range"));
@@ -2408,6 +2411,9 @@ RBSlice(BufferObject *self, PyInt lo, PyInt hi, PyInt start, PyInt end)
if (CheckBuffer(self))
return NULL;
if (end == -1)
end = self->buf->b_ml.ml_line_count;
size = end - start + 1;
if (lo < 0)
@@ -2432,6 +2438,9 @@ RBAsItem(BufferObject *self, PyInt n, PyObject *val, PyInt start, PyInt end, PyI
if (CheckBuffer(self))
return -1;
if (end == -1)
end = self->buf->b_ml.ml_line_count;
if (n < 0 || n > end - start)
{
PyErr_SetString(PyExc_IndexError, _("line number out of range"));
@@ -2457,6 +2466,9 @@ RBAsSlice(BufferObject *self, PyInt lo, PyInt hi, PyObject *val, PyInt start, Py
if (CheckBuffer(self))
return -1;
if (end == -1)
end = self->buf->b_ml.ml_line_count;
/* Sort out the slice range */
size = end - start + 1;
@@ -2493,6 +2505,9 @@ RBAppend(BufferObject *self, PyObject *args, PyInt start, PyInt end, PyInt *new_
if (CheckBuffer(self))
return NULL;
if (end == -1)
end = self->buf->b_ml.ml_line_count;
max = n = end - start + 1;
if (!PyArg_ParseTuple(args, "O|n", &lines, &n))
@@ -2700,15 +2715,13 @@ BufferLength(PyObject *self)
static PyObject *
BufferItem(PyObject *self, PyInt n)
{
return RBItem((BufferObject *)(self), n, 1,
(PyInt)((BufferObject *)(self))->buf->b_ml.ml_line_count);
return RBItem((BufferObject *)(self), n, 1, -1);
}
static PyObject *
BufferSlice(PyObject *self, PyInt lo, PyInt hi)
{
return RBSlice((BufferObject *)(self), lo, hi, 1,
(PyInt)((BufferObject *)(self))->buf->b_ml.ml_line_count);
return RBSlice((BufferObject *)(self), lo, hi, 1, -1);
}
static PyObject *
@@ -2732,9 +2745,7 @@ BufferAttr(BufferObject *this, char *name)
static PyObject *
BufferAppend(PyObject *self, PyObject *args)
{
return RBAppend((BufferObject *)(self), args, 1,
(PyInt)((BufferObject *)(self))->buf->b_ml.ml_line_count,
NULL);
return RBAppend((BufferObject *)(self), args, 1, -1, NULL);
}
static PyObject *