[Python-checkins] cpython: _PyUnicodeWriter: assert that max character <= MAX_UNICODE

[victor.stinner]

https://hg.python.org/cpython/rev/82017ba54447
changeset:   103177:82017ba54447
user:        Victor Stinner <victor.stinner at gmail.com>
date:        Tue Sep 06 16:58:36 2016 -0700
summary:
  _PyUnicodeWriter: assert that max character <= MAX_UNICODE

files:
  Objects/unicodeobject.c |  3 +++
  1 files changed, 3 insertions(+), 0 deletions(-)


diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -13348,6 +13348,8 @@
     Py_ssize_t newlen;
     PyObject *newbuffer;
 
+    assert(maxchar <= MAX_UNICODE);
+
     /* ensure that the _PyUnicodeWriter_Prepare macro was used */
     assert((maxchar > writer->maxchar && length >= 0)
            || length > 0);
@@ -13441,6 +13443,7 @@
 Py_LOCAL_INLINE(int)
 _PyUnicodeWriter_WriteCharInline(_PyUnicodeWriter *writer, Py_UCS4 ch)
 {
+    assert(ch <= MAX_UNICODE);
     if (_PyUnicodeWriter_Prepare(writer, 1, ch) < 0)
         return -1;
     PyUnicode_WRITE(writer->kind, writer->data, writer->pos, ch);

-- 
Repository URL: https://hg.python.org/cpython