bpo-39943: Add the const qualifier to pointers on non-mutable PyUnicode data. (GH-19345)

1 files changed, 7 insertions, 7 deletions

diff --git a/Modules/_json.c b/Modules/_json.c
index 3ab1cb3..1754416 100644
--- a/Modules/_json.c
+++ b/Modules/_json.c
@@ -159,8 +159,8 @@ ascii_escape_unicode(PyObject *pystr)
     Py_ssize_t output_size;
     Py_ssize_t chars;
     PyObject *rval;
-    void *input;
-    unsigned char *output;
+    const void *input;
+    Py_UCS1 *output;
     int kind;
 
     if (PyUnicode_READY(pystr) == -1)
@@ -225,7 +225,7 @@ escape_unicode(PyObject *pystr)
     Py_ssize_t output_size;
     Py_ssize_t chars;
     PyObject *rval;
-    void *input;
+    const void *input;
     int kind;
     Py_UCS4 maxchar;
 
@@ -678,7 +678,7 @@ _parse_object_unicode(PyScannerObject *s, PyObject *pystr, Py_ssize_t idx, Py_ss
 
     Returns a new PyObject (usually a dict, but object_hook can change that)
     */
-    void *str;
+    const void *str;
     int kind;
     Py_ssize_t end_idx;
     PyObject *val = NULL;
@@ -808,7 +808,7 @@ _parse_array_unicode(PyScannerObject *s, PyObject *pystr, Py_ssize_t idx, Py_ssi
 
     Returns a new PyList
     */
-    void *str;
+    const void *str;
     int kind;
     Py_ssize_t end_idx;
     PyObject *val = NULL;
@@ -911,7 +911,7 @@ _match_number_unicode(PyScannerObject *s, PyObject *pystr, Py_ssize_t start, Py_
         PyLong, or PyFloat.
         May return other types if parse_int or parse_float are set
     */
-    void *str;
+    const void *str;
     int kind;
     Py_ssize_t end_idx;
     Py_ssize_t idx = start;
@@ -1028,7 +1028,7 @@ scan_once_unicode(PyScannerObject *s, PyObject *pystr, Py_ssize_t idx, Py_ssize_
     Returns a new PyObject representation of the term.
     */
     PyObject *res;
-    void *str;
+    const void *str;
     int kind;
     Py_ssize_t length;