Issue #1772673: The type of char* arguments now changed to const char*.

Objects/abstract.c

@@ -223,7 +223,7 @@ PyObject_DelItem(PyObject *o, PyObject *key)
 }
 
 int
-PyObject_DelItemString(PyObject *o, char *key)
+PyObject_DelItemString(PyObject *o, const char *key)
 {
     PyObject *okey;
     int ret;
@@ -1950,7 +1950,7 @@ PyMapping_Length(PyObject *o)
 #define PyMapping_Length PyMapping_Size
 
 PyObject *
-PyMapping_GetItemString(PyObject *o, char *key)
+PyMapping_GetItemString(PyObject *o, const char *key)
 {
     PyObject *okey, *r;
 
@@ -1966,7 +1966,7 @@ PyMapping_GetItemString(PyObject *o, char *key)
 }
 
 int
-PyMapping_SetItemString(PyObject *o, char *key, PyObject *value)
+PyMapping_SetItemString(PyObject *o, const char *key, PyObject *value)
 {
     PyObject *okey;
     int r;
@@ -1985,7 +1985,7 @@ PyMapping_SetItemString(PyObject *o, char *key, PyObject *value)
 }
 
 int
-PyMapping_HasKeyString(PyObject *o, char *key)
+PyMapping_HasKeyString(PyObject *o, const char *key)
 {
     PyObject *v;
 

Objects/bytesobject.c

@@ -1347,7 +1347,7 @@ do_argstrip(PyBytesObject *self, int striptype, PyObject *args)
 {
     PyObject *sep = NULL;
 
-    if (!PyArg_ParseTuple(args, (char *)stripformat[striptype], &sep))
+    if (!PyArg_ParseTuple(args, stripformat[striptype], &sep))
         return NULL;
 
     if (sep != NULL && sep != Py_None) {

Objects/exceptions.c

@@ -121,11 +121,11 @@ BaseException_str(PyBaseExceptionObject *self)
 static PyObject *
 BaseException_repr(PyBaseExceptionObject *self)
 {
-    char *name;
-    char *dot;
+    const char *name;
+    const char *dot;
 
-    name = (char *)Py_TYPE(self)->tp_name;
-    dot = strrchr(name, '.');
+    name = Py_TYPE(self)->tp_name;
+    dot = (const char *) strrchr(name, '.');
     if (dot != NULL) name = dot+1;
 
     return PyUnicode_FromFormat("%s%R", name, self->args);

Objects/fileobject.c

@@ -26,8 +26,8 @@ extern "C" {
 /* External C interface */
 
 PyObject *
-PyFile_FromFd(int fd, char *name, char *mode, int buffering, char *encoding,
-              char *errors, char *newline, int closefd)
+PyFile_FromFd(int fd, const char *name, const char *mode, int buffering, const char *encoding,
+              const char *errors, const char *newline, int closefd)
 {
     PyObject *io, *stream;
     _Py_IDENTIFIER(open);

Objects/longobject.c

@@ -1941,10 +1941,10 @@ unsigned char _PyLong_DigitValue[256] = {
  * string characters.
  */
 static PyLongObject *
-long_from_binary_base(char **str, int base)
+long_from_binary_base(const char **str, int base)
 {
-    char *p = *str;
-    char *start = p;
+    const char *p = *str;
+    const char *start = p;
     int bits_per_char;
     Py_ssize_t n;
     PyLongObject *z;
@@ -2009,10 +2009,10 @@ long_from_binary_base(char **str, int base)
  * If unsuccessful, NULL will be returned.
  */
 PyObject *
-PyLong_FromString(char *str, char **pend, int base)
+PyLong_FromString(const char *str, char **pend, int base)
 {
     int sign = 1, error_if_nonzero = 0;
-    char *start, *orig_str = str;
+    const char *start, *orig_str = str;
     PyLongObject *z = NULL;
     PyObject *strobj;
     Py_ssize_t slen;
@@ -2147,7 +2147,7 @@ digit beyond the first.
         int convwidth;
         twodigits convmultmax, convmult;
         digit *pz, *pzstop;
-        char* scan;
+        const char* scan;
 
         static double log_base_BASE[37] = {0.0e0,};
         static int convwidth_base[37] = {0,};
@@ -2275,12 +2275,12 @@ digit beyond the first.
     if (z == NULL)
         return NULL;
     if (pend != NULL)
-        *pend = str;
+        *pend = (char *)str;
     return (PyObject *) z;
 
   onError:
     if (pend != NULL)
-        *pend = str;
+        *pend = (char *)str;
     Py_XDECREF(z);
     slen = strlen(orig_str) < 200 ? strlen(orig_str) : 200;
     strobj = PyUnicode_FromStringAndSize(orig_str, slen);

Objects/unicodeobject.c

@@ -11874,7 +11874,7 @@ do_argstrip(PyObject *self, int striptype, PyObject *args)
 {
     PyObject *sep = NULL;
 
-    if (!PyArg_ParseTuple(args, (char *)stripformat[striptype], &sep))
+    if (!PyArg_ParseTuple(args, stripformat[striptype], &sep))
         return NULL;
 
     if (sep != NULL && sep != Py_None) {