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| author |   Christian Heimes <christian@python.org> | 2020-11-18 16:38:53 +0100 |
|---|---|---|
| committer |   GitHub <noreply@github.com> | 2020-11-18 07:38:53 -0800 |
| commit | 07f2adedf0940b06d136208ec386d69b7d2d5b43 (patch) | |
| tree | d0b64e336c25ed40ca94e70f3363a31b633136a6 /Objects | |
| parent | bpo-1635741: Port _hashlib to multiphase initialization (GH-23358) (diff) | |
| download | cpython-07f2adedf0940b06d136208ec386d69b7d2d5b43.tar.gz cpython-07f2adedf0940b06d136208ec386d69b7d2d5b43.tar.bz2 cpython-07f2adedf0940b06d136208ec386d69b7d2d5b43.zip | |
bpo-40998: Address compiler warnings found by ubsan (GH-20929)
Signed-off-by: Christian Heimes <christian@python.org>
Automerge-Triggered-By: GH:tiran
Diffstat (limited to 'Objects')
| -rw-r--r-- | Objects/unicodeobject.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c index e7a63e7b973..70688c8c013 100644 --- a/Objects/unicodeobject.c +++ b/Objects/unicodeobject.c @@ -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; } |