bpo-39943: Add the const qualifier to pointers on non-mutable PyUnicode data. (GH-19345)
diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c
index 03cd7dd..987d98d 100644
--- a/Objects/bytesobject.c
+++ b/Objects/bytesobject.c
@@ -1265,12 +1265,14 @@
Py_ssize_t i, length = Py_SIZE(op);
Py_ssize_t newsize, squotes, dquotes;
PyObject *v;
- unsigned char quote, *s, *p;
+ unsigned char quote;
+ const unsigned char *s;
+ Py_UCS1 *p;
/* Compute size of output string */
squotes = dquotes = 0;
newsize = 3; /* b'' */
- s = (unsigned char*)op->ob_sval;
+ s = (const unsigned char*)op->ob_sval;
for (i = 0; i < length; i++) {
Py_ssize_t incr = 1;
switch(s[i]) {
@@ -2271,7 +2273,7 @@
char *buf;
Py_ssize_t hexlen, invalid_char;
unsigned int top, bot;
- Py_UCS1 *str, *end;
+ const Py_UCS1 *str, *end;
_PyBytesWriter writer;
_PyBytesWriter_Init(&writer);
@@ -2283,7 +2285,7 @@
hexlen = PyUnicode_GET_LENGTH(string);
if (!PyUnicode_IS_ASCII(string)) {
- void *data = PyUnicode_DATA(string);
+ const void *data = PyUnicode_DATA(string);
unsigned int kind = PyUnicode_KIND(string);
Py_ssize_t i;