bpo-39943: Add the const qualifier to pointers on non-mutable PyBytes data. (GH-19472)
diff --git a/Modules/_io/bytesio.c b/Modules/_io/bytesio.c
index b5d308a..f4261b3 100644
--- a/Modules/_io/bytesio.c
+++ b/Modules/_io/bytesio.c
@@ -393,7 +393,7 @@
static PyObject *
read_bytes(bytesio *self, Py_ssize_t size)
{
- char *output;
+ const char *output;
assert(self->buf != NULL);
assert(size <= self->string_size);
@@ -502,7 +502,7 @@
{
Py_ssize_t maxsize, size, n;
PyObject *result, *line;
- char *output;
+ const char *output;
CHECK_CLOSED(self);