diff options
Diffstat (limited to 'Objects/stringobject.c')
| -rw-r--r-- | Objects/stringobject.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Objects/stringobject.c b/Objects/stringobject.c index 5d754b0..a254019 100644 --- a/Objects/stringobject.c +++ b/Objects/stringobject.c @@ -1927,6 +1927,10 @@ string_isspace(PyStringObject *self, PyObject *args) isspace(*p)) return PyInt_FromLong(1); + /* Special case for empty strings */ + if (PyString_GET_SIZE(self) == 0) + return PyInt_FromLong(0); + e = p + PyString_GET_SIZE(self); for (; p < e; p++) { if (!isspace(*p)) @@ -1956,6 +1960,10 @@ string_isdigit(PyStringObject *self, PyObject *args) isdigit(*p)) return PyInt_FromLong(1); + /* Special case for empty strings */ + if (PyString_GET_SIZE(self) == 0) + return PyInt_FromLong(0); + e = p + PyString_GET_SIZE(self); for (; p < e; p++) { if (!isdigit(*p)) @@ -1985,6 +1993,10 @@ string_islower(PyStringObject *self, PyObject *args) if (PyString_GET_SIZE(self) == 1) return PyInt_FromLong(islower(*p) != 0); + /* Special case for empty strings */ + if (PyString_GET_SIZE(self) == 0) + return PyInt_FromLong(0); + e = p + PyString_GET_SIZE(self); cased = 0; for (; p < e; p++) { @@ -2017,6 +2029,10 @@ string_isupper(PyStringObject *self, PyObject *args) if (PyString_GET_SIZE(self) == 1) return PyInt_FromLong(isupper(*p) != 0); + /* Special case for empty strings */ + if (PyString_GET_SIZE(self) == 0) + return PyInt_FromLong(0); + e = p + PyString_GET_SIZE(self); cased = 0; for (; p < e; p++) { @@ -2050,6 +2066,10 @@ string_istitle(PyStringObject *self, PyObject *args) if (PyString_GET_SIZE(self) == 1) return PyInt_FromLong(isupper(*p) != 0); + /* Special case for empty strings */ + if (PyString_GET_SIZE(self) == 0) + return PyInt_FromLong(0); + e = p + PyString_GET_SIZE(self); cased = 0; previous_is_cased = 0; |