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Close #17694: Add minimum length to _PyUnicodeWriter

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* Add also min_char attribute to _PyUnicodeWriter structure (currently unused)
 * _PyUnicodeWriter_Init() has no more argument (except the writer itself):
   min_length and overallocate must be set explicitly
 * In error handlers, only enable overallocation if the replacement string
   is longer than 1 character
 * CJK decoders don't use overallocation anymore
 * Set min_length, instead of preallocating memory using
   _PyUnicodeWriter_Prepare(), in many decoders
 * _PyUnicode_DecodeUnicodeInternal() checks for integer overflow
This commit is contained in:
Victor Stinner 2013-04-17 23:02:17 +02:00
parent e84a51c38e
commit 8f674ccd64
7 changed files with 81 additions and 71 deletions
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2
Objects/floatobject.c
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@ -1711,7 +1711,7 @@ float__format__(PyObject *self, PyObject *args)
if (!PyArg_ParseTuple(args, "U:__format__", &format_spec))
return NULL;
_PyUnicodeWriter_Init(&writer, 0);
_PyUnicodeWriter_Init(&writer);
ret = _PyFloat_FormatAdvancedWriter(
&writer,
self,