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Revert last change. Found an application that was worse off with resize

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exact turned on.  The tiny space savings wasn't worth the additional time
and code.
This commit is contained in:
Raymond Hettinger
2004-03-15 09:01:31 +00:00
parent 0bc3d9857f
commit d4ff741e78
1 changed files with 10 additions and 13 deletions
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23
Objects/listobject.c
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@@ -9,7 +9,7 @@
#endif
static int
list_resize(PyListObject *self, int newsize, int exact)
list_resize(PyListObject *self, int newsize)
{
PyObject **items;
size_t _new_size;
@@ -33,10 +33,7 @@ list_resize(PyListObject *self, int newsize, int exact)
* system realloc().
* The growth pattern is: 0, 4, 8, 16, 25, 35, 46, 58, 72, 88, ...
*/
if (exact)
_new_size = newsize;
else
_new_size = (newsize>>3) + (self->ob_size < 8 ? 3 : 6) + newsize;
_new_size = (newsize >> 3) + (self->ob_size < 8 ? 3 : 6) + newsize;
items = self->ob_item;
if (_new_size <= ((~(size_t)0) / sizeof(PyObject *)))
PyMem_RESIZE(items, PyObject *, _new_size);
@@ -155,7 +152,7 @@ ins1(PyListObject *self, int where, PyObject *v)
return -1;
}
if (list_resize(self, n+1, 0) == -1)
if (list_resize(self, n+1) == -1)
return -1;
if (where < 0) {
@@ -521,13 +518,13 @@ list_ass_slice(PyListObject *a, int ilow, int ihigh, PyObject *v)
if (d < 0) {
memmove(&item[ihigh+d], &item[ihigh],
(a->ob_size - ihigh)*sizeof(PyObject *));
list_resize(a, a->ob_size + d, 1);
list_resize(a, a->ob_size + d);
item = a->ob_item;
}
}
else { /* Insert d items; recycle ihigh-ilow items */
s = a->ob_size;
if (list_resize(a, s+d, 1) == -1) {
if (list_resize(a, s+d) == -1) {
if (recycle != NULL)
PyMem_DEL(recycle);
return -1;
@@ -591,7 +588,7 @@ list_inplace_repeat(PyListObject *self, int n)
return (PyObject *)self;
}
if (list_resize(self, size*n, 1) == -1)
if (list_resize(self, size*n) == -1)
return NULL;
p = size;
@@ -683,7 +680,7 @@ listextend_internal(PyListObject *self, PyObject *b)
}
}
if (list_resize(self, selflen + blen, 0) == -1) {
if (list_resize(self, selflen + blen) == -1) {
Py_DECREF(b);
return -1;
}
@@ -736,7 +733,7 @@ listextend(PyListObject *self, PyObject *b)
}
m = self->ob_size;
mn = m + n;
if (list_resize(self, mn, 0) == -1)
if (list_resize(self, mn) == -1)
goto error;
memset(&(self->ob_item[m]), 0, sizeof(*self->ob_item) * n);
@@ -821,7 +818,7 @@ listpop(PyListObject *self, PyObject *args)
}
v = self->ob_item[i];
if (i == self->ob_size - 1) {
if (list_resize(self, self->ob_size - 1, 0) == -1)
if (list_resize(self, self->ob_size - 1) == -1)
return NULL;
return v;
}
@@ -2520,7 +2517,7 @@ list_ass_subscript(PyListObject* self, PyObject* item, PyObject* value)
}
self->ob_size -= slicelength;
list_resize(self, self->ob_size, 1);
list_resize(self, self->ob_size);
for (i = 0; i < slicelength; i++) {
Py_DECREF(garbage[i]);