Bug #1177964: make file iterator raise MemoryError on too big files
diff --git a/Objects/fileobject.c b/Objects/fileobject.c
index 29c89db..5a50d1e 100644
--- a/Objects/fileobject.c
+++ b/Objects/fileobject.c
@@ -1797,7 +1797,7 @@
/* Make sure that file has a readahead buffer with at least one byte
(unless at EOF) and no more than bufsize. Returns negative value on
- error */
+ error, will set MemoryError if bufsize bytes cannot be allocated. */
static int
readahead(PyFileObject *f, int bufsize)
{
@@ -1810,6 +1810,7 @@
drop_readahead(f);
}
if ((f->f_buf = PyMem_Malloc(bufsize)) == NULL) {
+ PyErr_NoMemory();
return -1;
}
Py_BEGIN_ALLOW_THREADS