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SF patch 1025636: Check for NULL returns in compile.c:com_import_stmt

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There is no test for this change, because there is no way to provoke memory errors on demand.  Test suite passes, though.
This commit is contained in:
Jeremy Hylton 2004-11-07 14:04:00 +00:00
parent 84a6c205e3
commit 16b047904c
1 changed files with 14 additions and 4 deletions
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18
Python/compile.c
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@ -3606,10 +3606,20 @@ com_import_stmt(struct compiling *c, node *n)
} }
REQ(nn, import_as_names); REQ(nn, import_as_names);
tup = PyTuple_New((NCH(nn) + 1) / 2); tup = PyTuple_New((NCH(nn) + 1) / 2);
for (i = 0; i < NCH(nn); i += 2) for (i = 0; i < NCH(nn); i += 2) {
PyTuple_SET_ITEM(tup, i / 2, PyObject *s = PyString_FromString(
PyString_FromString(STR( STR(CHILD(CHILD(nn, i), 0)));
CHILD(CHILD(nn, i), 0)))); if (s == NULL) {
Py_CLEAR(tup);
break;
} else
PyTuple_SET_ITEM(tup, i / 2, s);
}
if (tup == NULL) {
/* Assume that failue above was MemoryError */
com_error(c, PyExc_MemoryError, "");
return;
}
} }
com_addoparg(c, LOAD_CONST, com_addconst(c, tup)); com_addoparg(c, LOAD_CONST, com_addconst(c, tup));
Py_DECREF(tup); Py_DECREF(tup);