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More on bug 460020: disable many optimizations of unicode subclasses.

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This commit is contained in:
Tim Peters 2001-09-12 03:03:31 +00:00
parent 8fa5dd0601
commit 7a29bd5861
2 changed files with 66 additions and 12 deletions
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21
Objects/unicodeobject.c
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@ -2703,7 +2703,7 @@ PyObject *fixup(PyUnicodeObject *self,
Py_UNICODE_COPY(u->str, self->str, self->length);
if (!fixfct(u)) {
if (!fixfct(u) && PyUnicode_CheckExact(self)) {
/* fixfct should return TRUE if it modified the buffer. If
FALSE, return a reference to the original buffer instead
(to save space, not time) */
@ -2934,7 +2934,7 @@ PyUnicodeObject *pad(PyUnicodeObject *self,
if (right < 0)
right = 0;
if (left == 0 && right == 0) {
if (left == 0 && right == 0 && PyUnicode_CheckExact(self)) {
Py_INCREF(self);
return self;
}
@ -3161,7 +3161,7 @@ PyObject *strip(PyUnicodeObject *self,
while (end > start && Py_UNICODE_ISSPACE(p[end-1]))
end--;
if (start == 0 && end == self->length) {
if (start == 0 && end == self->length && PyUnicode_CheckExact(self)) {
/* couldn't strip anything off, return original string */
Py_INCREF(self);
return (PyObject*) self;
@ -3188,7 +3188,8 @@ PyObject *replace(PyUnicodeObject *self,
int i;
/* replace characters */
if (!findchar(self->str, self->length, str1->str[0])) {
if (!findchar(self->str, self->length, str1->str[0]) &&
PyUnicode_CheckExact(self)) {
/* nothing to replace, return original string */
Py_INCREF(self);
u = self;
@ -3220,7 +3221,7 @@ PyObject *replace(PyUnicodeObject *self,
n = count(self, 0, self->length, str1);
if (n > maxcount)
n = maxcount;
if (n == 0) {
if (n == 0 && PyUnicode_CheckExact(self)) {
/* nothing to replace, return original string */
Py_INCREF(self);
u = self;
@ -3329,7 +3330,7 @@ unicode_center(PyUnicodeObject *self, PyObject *args)
if (!PyArg_ParseTuple(args, "i:center", &width))
return NULL;
if (self->length >= width) {
if (self->length >= width && PyUnicode_CheckExact(self)) {
Py_INCREF(self);
return (PyObject*) self;
}
@ -4085,7 +4086,7 @@ unicode_ljust(PyUnicodeObject *self, PyObject *args)
if (!PyArg_ParseTuple(args, "i:ljust", &width))
return NULL;
if (self->length >= width) {
if (self->length >= width && PyUnicode_CheckExact(self)) {
Py_INCREF(self);
return (PyObject*) self;
}
@ -4126,7 +4127,7 @@ unicode_repeat(PyUnicodeObject *str, int len)
if (len < 0)
len = 0;
if (len == 1) {
if (len == 1 && PyUnicode_CheckExact(str)) {
/* no repeat, return original string */
Py_INCREF(str);
return (PyObject*) str;
@ -4309,7 +4310,7 @@ unicode_rjust(PyUnicodeObject *self, PyObject *args)
if (!PyArg_ParseTuple(args, "i:rjust", &width))
return NULL;
if (self->length >= width) {
if (self->length >= width && PyUnicode_CheckExact(self)) {
Py_INCREF(self);
return (PyObject*) self;
}
@ -4338,7 +4339,7 @@ unicode_slice(PyUnicodeObject *self, int start, int end)
end = 0;
if (end > self->length)
end = self->length;
if (start == 0 && end == self->length) {
if (start == 0 && end == self->length && PyUnicode_CheckExact(self)) {
/* full slice, return original string */
Py_INCREF(self);
return (PyObject*) self;