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sqlite: raise an OverflowError if the result is longer than INT_MAX bytes

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Fix a compiler warning on Windows 64-bit
This commit is contained in:
Victor Stinner 2013-11-18 01:24:31 +01:00
parent 74387f5cac
commit 83ed42bfbf
1 changed files with 8 additions and 2 deletions
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10
Modules/_sqlite/connection.c
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@ -522,10 +522,16 @@ _pysqlite_set_result(sqlite3_context* context, PyObject* py_val)
const char* buffer; const char* buffer;
Py_ssize_t buflen; Py_ssize_t buflen;
if (PyObject_AsCharBuffer(py_val, &buffer, &buflen) != 0) { if (PyObject_AsCharBuffer(py_val, &buffer, &buflen) != 0) {
PyErr_SetString(PyExc_ValueError, "could not convert BLOB to buffer"); PyErr_SetString(PyExc_ValueError,
"could not convert BLOB to buffer");
return -1; return -1;
} }
sqlite3_result_blob(context, buffer, buflen, SQLITE_TRANSIENT); if (buflen > INT_MAX) {
PyErr_SetString(PyExc_OverflowError,
"BLOB longer than INT_MAX bytes");
return -1;
}
sqlite3_result_blob(context, buffer, (int)buflen, SQLITE_TRANSIENT);
} else { } else {
return -1; return -1;
} }