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Add a new PyUnicode_Fill() function

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It is faster than the unicode_fill() function which was implemented in
formatter_unicode.c.
This commit is contained in:
Victor Stinner 2012-01-04 00:33:50 +01:00
parent 332503db07
commit 3fe553160c
4 changed files with 76 additions and 18 deletions
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35
Objects/unicodeobject.c
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@ -9818,6 +9818,41 @@ PyUnicode_Join(PyObject *separator, PyObject *seq)
} \
} while (0)
Py_ssize_t
PyUnicode_Fill(PyObject *unicode, Py_ssize_t start, Py_ssize_t length,
Py_UCS4 fill_char)
{
Py_ssize_t maxlen;
enum PyUnicode_Kind kind;
void *data;
if (!PyUnicode_Check(unicode)) {
PyErr_BadInternalCall();
return -1;
}
if (PyUnicode_READY(unicode) == -1)
return -1;
if (unicode_check_modifiable(unicode))
return -1;
if (fill_char > PyUnicode_MAX_CHAR_VALUE(unicode)) {
PyErr_SetString(PyExc_ValueError,
"fill character is bigger than "
"the string maximum character");
return -1;
}
maxlen = PyUnicode_GET_LENGTH(unicode) - start;
length = Py_MIN(maxlen, length);
if (length <= 0)
return 0;
kind = PyUnicode_KIND(unicode);
data = PyUnicode_DATA(unicode);
FILL(kind, data, fill_char, start, length);
return length;
}
static PyObject *
pad(PyObject *self,
Py_ssize_t left,