mirror of https://github.com/python/cpython
Restore a conditional I removed by mistake.
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@ -506,7 +506,7 @@ new_buffersize(PyFileIOObject *self, size_t currentsize)
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actually be streaming pseudo-files. In this case, we
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apply the more aggressive algorithm below.
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*/
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if (end >= SMALLCHUNK && pos >= 0) {
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if (end >= SMALLCHUNK && end >= pos && pos >= 0) {
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/* Add 1 so if the file were to grow we'd notice. */
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return currentsize + end - pos + 1;
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}
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