1 files changed, 37 insertions, 10 deletions

diff --git a/Examples/python/multimap/example.i b/Examples/python/multimap/example.i
index f1c4d9990..3f6fc3db3 100644
--- a/Examples/python/multimap/example.i
+++ b/Examples/python/multimap/example.i
@@ -38,27 +38,44 @@ extern int    gcd(int x, int y);
     }
 %#if PY_VERSION_HEX >= 0x03000000
     {
-    int l;
-    $2[i] = PyUnicode_AsStringAndSize(s, &l);
+      PyObject *utf8str = PyUnicode_AsUTF8String(s);
+      const char *cstr = PyBytes_AsString(utf8str);
+      $2[i] = strdup(cstr);
+      Py_DECREF(utf8str);
     }
 %#else
     $2[i] = PyString_AsString(s);
 %#endif
-
   }
   $2[i] = 0;
 }
 
+%typemap(freearg) (int argc, char *argv[]) {
+%#if PY_VERSION_HEX >= 0x03000000
+  int i;
+  for (i = 0; i < $1; i++) {
+    free($2[i]);
+  }
+%#endif
+}
+
 extern int gcdmain(int argc, char *argv[]);
 
 %typemap(in) (char *bytes, int len) {
 
 %#if PY_VERSION_HEX >= 0x03000000
+  char *cstr;
+  Py_ssize_t len;
+  PyObject *utf8str;
   if (!PyUnicode_Check($input)) {
     PyErr_SetString(PyExc_ValueError,"Expected a string");
     return NULL;
   }
-  $1 = PyUnicode_AsStringAndSize($input, &$2);
+  utf8str = PyUnicode_AsUTF8String($input);
+  PyBytes_AsStringAndSize(utf8str, &cstr, &len);
+  $1 = strndup(cstr, (size_t)len);
+  $2 = (int)len;
+  Py_DECREF(utf8str);
 %#else
   if (!PyString_Check($input)) {
     PyErr_SetString(PyExc_ValueError,"Expected a string");
@@ -69,6 +86,12 @@ extern int gcdmain(int argc, char *argv[]);
 %#endif
 }
 
+%typemap(freearg) (char *bytes, int len) {
+%#if PY_VERSION_HEX >= 0x03000000
+  free($1);
+%#endif
+}
+
 extern int count(char *bytes, int len, char c);
 
 
@@ -79,13 +102,17 @@ extern int count(char *bytes, int len, char c);
 
 %typemap(in) (char *str, int len) {
 %#if PY_VERSION_HEX >= 0x03000000
-   $2 = PyUnicode_GetSize($input);
-   $1 = (char *) malloc($2+1);
-   memmove($1,PyUnicode_AsString($input),$2);
+  char *cstr;
+  Py_ssize_t len;
+  PyObject *utf8str = PyUnicode_AsUTF8String($input);
+  PyBytes_AsStringAndSize(utf8str, &cstr, &len);
+  $1 = strndup(cstr, (size_t)len);
+  $2 = (int)len;
+  Py_DECREF(utf8str);
 %#else
-   $2 = PyString_Size($input);
-   $1 = (char *) malloc($2+1);
-   memmove($1,PyString_AsString($input),$2);
+  $2 = PyString_Size($input);
+  $1 = (char *) malloc($2+1);
+  memmove($1,PyString_AsString($input),$2);
 %#endif
 }