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Commit e2adfcdb authored by Jim Fulton's avatar Jim Fulton
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Added comment and formatting changes mainly to overcome damage done by 

merges.
parent ac4d60c4
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Showing with 84 additions and 83 deletions
src/BTrees/BTreeTemplate.c
View file @ e2adfcdb
......@@ -372,14 +372,14 @@ BTree_grow(BTree *self, int index, int noval)
if (self->size) {
d = BTree_Realloc(self->data, sizeof(BTreeItem) * self->size * 2);
if (d == NULL)
return -1;
return -1;
self->data = d;
self->size *= 2;
}
else {
d = BTree_Malloc(sizeof(BTreeItem) * 2);
if (d == NULL)
return -1;
return -1;
self->data = d;
self->size = 2;
}
......@@ -564,7 +564,7 @@ _BTree_clear(BTree *self)
for (i = 1; i < len; i++) {
#ifdef KEY_TYPE_IS_PYOBJECT
DECREF_KEY(self->data[i].key);
DECREF_KEY(self->data[i].key);
#endif
Py_DECREF(self->data[i].child);
}
......@@ -625,13 +625,13 @@ _BTree_set(BTree *self, PyObject *keyarg, PyObject *value,
if (self_was_empty) {
/* We're empty. Make room. */
if (value) {
if (BTree_grow(self, 0, noval) < 0)
if (BTree_grow(self, 0, noval) < 0)
goto Error;
}
else {
/* Can't delete a key from an empty BTree. */
PyErr_SetObject(PyExc_KeyError, keyarg);
goto Error;
/* Can't delete a key from an empty BTree. */
PyErr_SetObject(PyExc_KeyError, keyarg);
goto Error;
}
}
......@@ -699,7 +699,7 @@ _BTree_set(BTree *self, PyObject *keyarg, PyObject *value,
the smallest key of the node child.
This doesn't apply to the 0th node, whos key is unused.
*/
*/
int _cmp = 1;
TEST_KEY_SET_OR(_cmp, key, d->key) goto Error;
if (_cmp == 0)
......@@ -724,7 +724,8 @@ _BTree_set(BTree *self, PyObject *keyarg, PyObject *value,
}
}
if (status == 2) { /* this is the last reference to child status */
if (status == 2) {
/* The child must be a BTree because bucket.set never returns 2 */
/* Two problems to solve: May have to adjust our own firstbucket,
* and the bucket that went away needs to get unlinked.
*/
......@@ -765,8 +766,8 @@ _BTree_set(BTree *self, PyObject *keyarg, PyObject *value,
* But first, if we're a bottom-level node, we've got more bucket-fiddling
* to set up.
*/
if (!SameType_Check(self, d->child)) {
/* We're about to delete a bucket. */
if (! SameType_Check(self, d->child)) {
/* We're about to delete a bucket, so need to adjust bucket pointers. */
if (min) {
/* It's not our first bucket, so we can tell the previous
* bucket to adjust its reference to it. It can't be anyone
......@@ -874,26 +875,26 @@ BTree__p_deactivate(BTree *self, PyObject *args, PyObject *keywords)
int size = PyDict_Size(keywords);
force = PyDict_GetItemString(keywords, "force");
if (force)
size--;
size--;
if (size) {
PyErr_SetString(PyExc_TypeError,
PyErr_SetString(PyExc_TypeError,
"_p_deactivate only accepts keyword arg force");
return NULL;
return NULL;
}
}
if (self->jar && self->oid) {
ghostify = self->state == cPersistent_UPTODATE_STATE;
if (!ghostify && force) {
if (PyObject_IsTrue(force))
if (PyObject_IsTrue(force))
ghostify = 1;
if (PyErr_Occurred())
if (PyErr_Occurred())
return NULL;
}
if (ghostify) {
if (_BTree_clear(self) < 0)
if (_BTree_clear(self) < 0)
return NULL;
PER_GHOSTIFY(self);
PER_GHOSTIFY(self);
}
}
......@@ -964,7 +965,7 @@ BTree_getstate(BTree *self)
if (self->len) {
r = PyTuple_New(self->len * 2 - 1);
if (r == NULL)
goto err;
goto err;
if (self->len == 1
&& self->data->child->ob_type != self->ob_type
......@@ -972,15 +973,15 @@ BTree_getstate(BTree *self)
&& BUCKET(self->data->child)->oid == NULL
#endif
) {
/* We have just one bucket. Save its data directly. */
o = bucket_getstate((Bucket *)self->data->child);
if (o == NULL)
/* We have just one bucket. Save its data directly. */
o = bucket_getstate((Bucket *)self->data->child);
if (o == NULL)
goto err;
PyTuple_SET_ITEM(r, 0, o);
ASSIGN(r, Py_BuildValue("(O)", r));
PyTuple_SET_ITEM(r, 0, o);
ASSIGN(r, Py_BuildValue("(O)", r));
}
else {
for (i=0, l=0; i < self->len; i++) {
for (i=0, l=0; i < self->len; i++) {
if (i) {
COPY_KEY_TO_OBJECT(o, self->data[i].key);
PyTuple_SET_ITEM(r, l, o);
......@@ -991,7 +992,7 @@ BTree_getstate(BTree *self)
PyTuple_SET_ITEM(r,l,o);
l++;
}
ASSIGN(r, Py_BuildValue("OO", r, self->firstbucket));
ASSIGN(r, Py_BuildValue("OO", r, self->firstbucket));
}
}
......@@ -1055,31 +1056,31 @@ _BTree_setstate(BTree *self, PyObject *state, int noval)
for (i = 0, d = self->data, l = 0; i < len; i++, d++) {
PyObject *v;
if (i) { /* skip the first key slot */
COPY_KEY_FROM_ARG(d->key, PyTuple_GET_ITEM(items, l), copied);
l++;
if (!copied)
COPY_KEY_FROM_ARG(d->key, PyTuple_GET_ITEM(items, l), copied);
l++;
if (!copied)
return -1;
INCREF_KEY(d->key);
INCREF_KEY(d->key);
}
v = PyTuple_GET_ITEM(items, l);
if (PyTuple_Check(v)) {
/* Handle the special case in __getstate__() for a BTree
with a single bucket. */
d->child = BTree_newBucket(self);
if (!d->child)
/* Handle the special case in __getstate__() for a BTree
with a single bucket. */
d->child = BTree_newBucket(self);
if (!d->child)
return -1;
if (noval) {
if (noval) {
if (_set_setstate(BUCKET(d->child), v) < 0)
return -1;
}
else {
}
else {
if (_bucket_setstate(BUCKET(d->child), v) < 0)
return -1;
}
}
}
else {
d->child = (Sized *)v;
Py_INCREF(v);
d->child = (Sized *)v;
Py_INCREF(v);
}
l++;
}
......@@ -1142,43 +1143,43 @@ BTree_setstate(BTree *self, PyObject *arg)
PyObject *
get_bucket_state(PyObject *t)
{
if (t == Py_None)
return Py_None; /* an empty BTree */
if (! PyTuple_Check(t)) {
PyErr_SetString(PyExc_TypeError,
if (t == Py_None)
return Py_None; /* an empty BTree */
if (! PyTuple_Check(t)) {
PyErr_SetString(PyExc_TypeError,
"_p_resolveConflict: expected tuple or None for state");
return NULL;
}
return NULL;
}
if (PyTuple_GET_SIZE(t) == 2) {
/* A non-degenerate BTree. */
return merge_error(-1, -1, -1, 11);
}
if (PyTuple_GET_SIZE(t) == 2) {
/* A non-degenerate BTree. */
return merge_error(-1, -1, -1, 11);
}
/* We're in the one-bucket case. */
/* We're in the one-bucket case. */
if (PyTuple_GET_SIZE(t) != 1) {
PyErr_SetString(PyExc_TypeError,
if (PyTuple_GET_SIZE(t) != 1) {
PyErr_SetString(PyExc_TypeError,
"_p_resolveConflict: expected 1- or 2-tuple for state");
return NULL;
}
return NULL;
}
t = PyTuple_GET_ITEM(t, 0);
if (! PyTuple_Check(t) || PyTuple_GET_SIZE(t) != 1) {
PyErr_SetString(PyExc_TypeError,
t = PyTuple_GET_ITEM(t, 0);
if (! PyTuple_Check(t) || PyTuple_GET_SIZE(t) != 1) {
PyErr_SetString(PyExc_TypeError,
"_p_resolveConflict: expected 1-tuple containing "
"bucket state");
return NULL;
}
return NULL;
}
t = PyTuple_GET_ITEM(t, 0);
if (! PyTuple_Check(t)) {
PyErr_SetString(PyExc_TypeError,
t = PyTuple_GET_ITEM(t, 0);
if (! PyTuple_Check(t)) {
PyErr_SetString(PyExc_TypeError,
"_p_resolveConflict: expected tuple for bucket state");
return NULL;
}
return NULL;
}
return t;
return t;
}
/* Tricky. The only kind of BTree conflict we can actually potentially
......@@ -1484,7 +1485,7 @@ BTree_rangeSearch(BTree *self, PyObject *args, PyObject *kw, char type)
&max,
&excludemin,
&excludemax))
return NULL;
return NULL;
}
UNLESS (PER_USE(self)) return NULL;
......@@ -1509,8 +1510,8 @@ BTree_rangeSearch(BTree *self, PyObject *args, PyObject *kw, char type)
PER_UNUSE(lowbucket);
if (bucketlen > 1)
lowoffset = 1;
else if (self->len < 2)
goto empty;
else if (self->len < 2)
goto empty;
else { /* move to first item in next bucket */
Bucket *next;
UNLESS (PER_USE(lowbucket)) goto err;
......@@ -1543,25 +1544,25 @@ BTree_rangeSearch(BTree *self, PyObject *args, PyObject *kw, char type)
PER_UNUSE(highbucket);
highoffset = bucketlen - 1;
if (excludemax) {
if (highoffset > 0)
--highoffset;
else if (self->len < 2)
goto empty_and_decref_buckets;
else { /* move to last item of preceding bucket */
int status;
assert(highbucket != self->firstbucket);
Py_DECREF(highbucket);
status = PreviousBucket(&highbucket, self->firstbucket);
if (status < 0) {
if (highoffset > 0)
--highoffset;
else if (self->len < 2)
goto empty_and_decref_buckets;
else { /* move to last item of preceding bucket */
int status;
assert(highbucket != self->firstbucket);
Py_DECREF(highbucket);
status = PreviousBucket(&highbucket, self->firstbucket);
if (status < 0) {
Py_DECREF(lowbucket);
goto err;
}
assert(status > 0);
Py_INCREF(highbucket);
}
assert(status > 0);
Py_INCREF(highbucket);
UNLESS (PER_USE(highbucket)) goto err_and_decref_buckets;
highoffset = highbucket->len - 1;
PER_UNUSE(highbucket);
}
}
}
assert(highoffset >= 0);
}
......
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