diff options
Diffstat (limited to 'Objects/unicodeobject.c')
| -rw-r--r-- | Objects/unicodeobject.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c index f3a5dd9b57..af4ce6383c 100644 --- a/Objects/unicodeobject.c +++ b/Objects/unicodeobject.c @@ -10196,6 +10196,7 @@ unicode_expandtabs(PyUnicodeObject *self, PyObject *args) void *src_data, *dest_data; int tabsize = 8; int kind; + int found; if (!PyArg_ParseTuple(args, "|i:expandtabs", &tabsize)) return NULL; @@ -10205,9 +10206,11 @@ unicode_expandtabs(PyUnicodeObject *self, PyObject *args) i = j = line_pos = 0; kind = PyUnicode_KIND(self); src_data = PyUnicode_DATA(self); + found = 0; for (; i < src_len; i++) { ch = PyUnicode_READ(kind, src_data, i); if (ch == '\t') { + found = 1; if (tabsize > 0) { incr = tabsize - (line_pos % tabsize); /* cannot overflow */ if (j > PY_SSIZE_T_MAX - incr) @@ -10225,6 +10228,10 @@ unicode_expandtabs(PyUnicodeObject *self, PyObject *args) line_pos = 0; } } + if (!found && PyUnicode_CheckExact(self)) { + Py_INCREF((PyObject *) self); + return (PyObject *) self; + } /* Second pass: create output string and fill it */ u = PyUnicode_New(j, PyUnicode_MAX_CHAR_VALUE(self)); |