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make fix_decimal_and_space_to_ascii check if it modifies the string

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Benjamin Peterson 2012-01-12 15:40:18 -05:00
parent 1adbc6f56a
commit 821e4cfd01
1 changed files with 3 additions and 1 deletions
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4
Objects/unicodeobject.c
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@ -8845,6 +8845,7 @@ fix_decimal_and_space_to_ascii(PyObject *self)
const int kind = PyUnicode_KIND(self);
void *data = PyUnicode_DATA(self);
Py_UCS4 maxchar = 0, ch, fixed;
int modified = 0;
Py_ssize_t i;
for (i = 0; i < len; ++i) {
@ -8859,6 +8860,7 @@ fix_decimal_and_space_to_ascii(PyObject *self)
fixed = '0' + decimal;
}
if (fixed != 0) {
modified = 1;
if (fixed > maxchar)
maxchar = fixed;
PyUnicode_WRITE(kind, data, i, fixed);
@ -8870,7 +8872,7 @@ fix_decimal_and_space_to_ascii(PyObject *self)
maxchar = ch;
}
return maxchar;
return (modified) ? maxchar : 0;
}
PyObject *