commit c3fa634096eedbaf477698adab666f03085a7928
author Andy Lester <andy@petdance.com> Mon Feb 24 00:40:43 2020 -0600
committer GitHub <noreply@github.com> Sun Feb 23 22:40:43 2020 -0800
tree 3e5c364e3d80907b9555bbac95945ef9d1948395
parent 4015d1cda3cdba869103779eb6ff32ad798ff885

closes bpo-39736: const strings in Modules/_datetimemodule.c and Modules/_testbuffer.c (GH-18637)

Modules/_datetimemodule.c

diff --git a/Modules/_datetimemodule.c b/Modules/_datetimemodule.c
index 4cafd14..4c985b3 100644
--- a/Modules/_datetimemodule.c
+++ b/Modules/_datetimemodule.c
@@ -4179,11 +4179,11 @@
 time_isoformat(PyDateTime_Time *self, PyObject *args, PyObject *kw)
 {
     char buf[100];
-    char *timespec = NULL;
+    const char *timespec = NULL;
     static char *keywords[] = {"timespec", NULL};
     PyObject *result;
     int us = TIME_GET_MICROSECOND(self);
-    static char *specs[][2] = {
+    static const char *specs[][2] = {
         {"hours", "%02d"},
         {"minutes", "%02d:%02d"},
         {"seconds", "%02d:%02d:%02d"},
@@ -5415,7 +5415,7 @@
     char buffer[100];
     PyObject *result = NULL;
     int us = DATE_GET_MICROSECOND(self);
-    static char *specs[][2] = {
+    static const char *specs[][2] = {
         {"hours", "%04d-%02d-%02d%c%02d"},
         {"minutes", "%04d-%02d-%02d%c%02d:%02d"},
         {"seconds", "%04d-%02d-%02d%c%02d:%02d:%02d"},

Modules/_testbuffer.c

diff --git a/Modules/_testbuffer.c b/Modules/_testbuffer.c
index f4c2b59..d832176 100644
--- a/Modules/_testbuffer.c
+++ b/Modules/_testbuffer.c
@@ -2050,7 +2050,7 @@
 ndarray_get_format(NDArrayObject *self, void *closure)
 {
     Py_buffer *base = &self->head->base;
-    char *fmt = base->format ? base->format : "";
+    const char *fmt = base->format ? base->format : "";
     return PyUnicode_FromString(fmt);
 }