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bpo-40998: Address compiler warnings found by ubsan (GH-20929)

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Signed-off-by: Christian Heimes <christian@python.org>

Automerge-Triggered-By: GH:tiran
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Christian Heimes 2020-11-18 16:38:53 +01:00 • committed by GitHub
parent 46f59ebd01
commit 07f2adedf0
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4 changed files with 13 additions and 5 deletions
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6
Objects/unicodeobject.c
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@ -839,7 +839,11 @@ xmlcharrefreplace(_PyBytesWriter *writer, char *str,
/* generate replacement */
for (i = collstart; i < collend; ++i) {
str += sprintf(str, "&#%d;", PyUnicode_READ(kind, data, i));
size = sprintf(str, "&#%d;", PyUnicode_READ(kind, data, i));
if (size < 0) {
return NULL;
}
str += size;
}
return str;
}