[issue3773] Check for errors when using PyTokenizer_FindEncoding()

[Amaury Forgeot d'Arc]

Amaury Forgeot d'Arc <amauryfa at gmail.com> added the comment:

In PyTokenizer_FindEncoding(), PyMem_MALLOC may return NULL.
Another patch attached.

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nosy: +amaury.forgeotdarc
Added file: http://bugs.python.org/file11372/check_findencoding_malloc.diff

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