Issue #17711: Fixed unpickling by the persistent ID with protocol 0.

Original patch by Alexandre Vassalotti.

1 files changed, 11 insertions, 11 deletions

diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index 7fbf06e68a..678ebfe5f6 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -431,7 +431,7 @@ static int
 parse_syntax_error(PyObject *err, PyObject **message, PyObject **filename,
                    int *lineno, int *offset, PyObject **text)
 {
-    long hold;
+    int hold;
     PyObject *v;
     _Py_IDENTIFIER(msg);
     _Py_IDENTIFIER(filename);
@@ -464,11 +464,11 @@ parse_syntax_error(PyObject *err, PyObject **message, PyObject **filename,
     v = _PyObject_GetAttrId(err, &PyId_lineno);
     if (!v)
         goto finally;
-    hold = PyLong_AsLong(v);
+    hold = _PyLong_AsInt(v);
     Py_DECREF(v);
     if (hold < 0 && PyErr_Occurred())
         goto finally;
-    *lineno = (int)hold;
+    *lineno = hold;
 
     v = _PyObject_GetAttrId(err, &PyId_offset);
     if (!v)
@@ -477,11 +477,11 @@ parse_syntax_error(PyObject *err, PyObject **message, PyObject **filename,
         *offset = -1;
         Py_DECREF(v);
     } else {
-        hold = PyLong_AsLong(v);
+        hold = _PyLong_AsInt(v);
         Py_DECREF(v);
         if (hold < 0 && PyErr_Occurred())
             goto finally;
-        *offset = (int)hold;
+        *offset = hold;
     }
 
     v = _PyObject_GetAttrId(err, &PyId_text);
@@ -791,11 +791,11 @@ print_exception(PyObject *f, PyObject *value)
         PyErr_Clear();
 }
 
-static const char *cause_message =
+static const char cause_message[] =
     "\nThe above exception was the direct cause "
     "of the following exception:\n\n";
 
-static const char *context_message =
+static const char context_message[] =
     "\nDuring handling of the above exception, "
     "another exception occurred:\n\n";
 
@@ -1144,8 +1144,8 @@ PyParser_ASTFromString(const char *s, const char *filename_str, int start,
 
 mod_ty
 PyParser_ASTFromFileObject(FILE *fp, PyObject *filename, const char* enc,
-                           int start, char *ps1,
-                           char *ps2, PyCompilerFlags *flags, int *errcode,
+                           int start, const char *ps1,
+                           const char *ps2, PyCompilerFlags *flags, int *errcode,
                            PyArena *arena)
 {
     mod_ty mod;
@@ -1177,8 +1177,8 @@ PyParser_ASTFromFileObject(FILE *fp, PyObject *filename, const char* enc,
 
 mod_ty
 PyParser_ASTFromFile(FILE *fp, const char *filename_str, const char* enc,
-                     int start, char *ps1,
-                     char *ps2, PyCompilerFlags *flags, int *errcode,
+                     int start, const char *ps1,
+                     const char *ps2, PyCompilerFlags *flags, int *errcode,
                      PyArena *arena)
 {
     mod_ty mod;