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Kirill Smelkov
cpython
Commits
3b01a121
Commit
3b01a121
authored
Jul 19, 2002
by
Tim Peters
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Trimmed trailing whitespace.
parent
8e2e7ca3
Changes
1
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1 changed file
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22 additions
and
22 deletions
+22
-22
Objects/listobject.c
Objects/listobject.c
+22
-22
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Objects/listobject.c
View file @
3b01a121
...
...
@@ -14,7 +14,7 @@ roundupsize(int n)
unsigned
int
nbits
=
0
;
unsigned
int
n2
=
(
unsigned
int
)
n
>>
5
;
/* Round up:
/* Round up:
* If n < 256, to a multiple of 8.
* If n < 2048, to a multiple of 64.
* If n < 16384, to a multiple of 512.
...
...
@@ -301,7 +301,7 @@ list_repr(PyListObject *v)
if
(
s
==
NULL
)
goto
Done
;
result
=
_PyString_Join
(
s
,
pieces
);
Py_DECREF
(
s
);
Py_DECREF
(
s
);
Done:
Py_XDECREF
(
pieces
);
...
...
@@ -598,7 +598,7 @@ list_ass_item(PyListObject *a, int i, PyObject *v)
Py_INCREF
(
v
);
old_value
=
a
->
ob_item
[
i
];
a
->
ob_item
[
i
]
=
v
;
Py_DECREF
(
old_value
);
Py_DECREF
(
old_value
);
return
0
;
}
...
...
@@ -928,7 +928,7 @@ binarysort(PyObject **lo, PyObject **hi, PyObject **start, PyObject *compare)
3 variant) down to N lg N.
We also play lots of low-level tricks to cut the number of compares.
Very obscure: To avoid using extra memory, the PPs are stored in the
array and shuffled around as partitioning proceeds. At the start of a
partitioning step, we'll have 2**m-1 (for some m) PPs in sorted order,
...
...
@@ -1060,7 +1060,7 @@ samplesortslice(PyObject **lo, PyObject **hi, PyObject *compare)
/* note that if we fall out of the loop, the value of
extra still makes *sense*, but may be smaller than
we would like (but the array has more than ~= 2**31
elements in this case!) */
elements in this case!) */
}
/* Now k == extra - 1 + CUTOFFBASE. The smallest value k can
have is CUTOFFBASE-1, so
...
...
@@ -1157,7 +1157,7 @@ samplesortslice(PyObject **lo, PyObject **hi, PyObject *compare)
(lo, hi) contains the unknown elements.
[hi, hi+extra) contains the larger PPs.
*/
k
=
extra
>>=
1
;
/* num PPs to move */
k
=
extra
>>=
1
;
/* num PPs to move */
if
(
extraOnRight
)
{
/* Swap the smaller PPs to the left end.
Note that this loop actually moves k+1 items:
...
...
@@ -1711,13 +1711,13 @@ list_subscript(PyListObject* self, PyObject* item)
result
=
PyList_New
(
slicelength
);
if
(
!
result
)
return
NULL
;
for
(
cur
=
start
,
i
=
0
;
i
<
slicelength
;
for
(
cur
=
start
,
i
=
0
;
i
<
slicelength
;
cur
+=
step
,
i
++
)
{
it
=
PyList_GET_ITEM
(
self
,
cur
);
Py_INCREF
(
it
);
PyList_SET_ITEM
(
result
,
i
,
it
);
}
return
result
;
}
}
...
...
@@ -1728,7 +1728,7 @@ list_subscript(PyListObject* self, PyObject* item)
}
}
static
int
static
int
list_ass_subscript
(
PyListObject
*
self
,
PyObject
*
item
,
PyObject
*
value
)
{
if
(
PyInt_Check
(
item
))
{
...
...
@@ -1761,7 +1761,7 @@ list_ass_subscript(PyListObject* self, PyObject* item, PyObject* value)
/* delete slice */
PyObject
**
garbage
,
**
it
;
int
cur
,
i
,
j
;
if
(
slicelength
<=
0
)
return
0
;
...
...
@@ -1773,8 +1773,8 @@ list_ass_subscript(PyListObject* self, PyObject* item, PyObject* value)
garbage
=
(
PyObject
**
)
PyMem_MALLOC
(
slicelength
*
sizeof
(
PyObject
*
));
/* drawing pictures might help
/* drawing pictures might help
understand these for loops */
for
(
cur
=
start
,
i
=
0
;
cur
<
stop
;
...
...
@@ -1783,7 +1783,7 @@ list_ass_subscript(PyListObject* self, PyObject* item, PyObject* value)
garbage
[
i
]
=
PyList_GET_ITEM
(
self
,
cur
);
for
(
j
=
0
;
j
<
step
;
j
++
)
{
PyList_SET_ITEM
(
self
,
cur
+
j
-
i
,
PyList_SET_ITEM
(
self
,
cur
+
j
-
i
,
PyList_GET_ITEM
(
self
,
cur
+
j
+
1
));
}
...
...
@@ -1828,21 +1828,21 @@ list_ass_subscript(PyListObject* self, PyObject* item, PyObject* value)
return
0
;
/* protect against a[::-1] = a */
if
(
self
==
(
PyListObject
*
)
value
)
{
if
(
self
==
(
PyListObject
*
)
value
)
{
value
=
list_slice
((
PyListObject
*
)
value
,
0
,
PyList_GET_SIZE
(
value
));
}
}
else
{
Py_INCREF
(
value
);
}
garbage
=
(
PyObject
**
)
PyMem_MALLOC
(
slicelength
*
sizeof
(
PyObject
*
));
for
(
cur
=
start
,
i
=
0
;
i
<
slicelength
;
for
(
cur
=
start
,
i
=
0
;
i
<
slicelength
;
cur
+=
step
,
i
++
)
{
garbage
[
i
]
=
PyList_GET_ITEM
(
self
,
cur
);
ins
=
PyList_GET_ITEM
(
value
,
i
);
Py_INCREF
(
ins
);
PyList_SET_ITEM
(
self
,
cur
,
ins
);
...
...
@@ -1851,15 +1851,15 @@ list_ass_subscript(PyListObject* self, PyObject* item, PyObject* value)
for
(
i
=
0
;
i
<
slicelength
;
i
++
)
{
Py_DECREF
(
garbage
[
i
]);
}
PyMem_FREE
(
garbage
);
Py_DECREF
(
value
);
return
0
;
}
}
}
else
{
PyErr_SetString
(
PyExc_TypeError
,
PyErr_SetString
(
PyExc_TypeError
,
"list indices must be integers"
);
return
-
1
;
}
...
...
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