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| author | Guido van Rossum <guido@python.org> | 2000-05-03 11:03:24 (GMT) |
|---|---|---|
| committer | Guido van Rossum <guido@python.org> | 2000-05-03 11:03:24 (GMT) |
| commit | a6edfd9737043420cfbf248ccae39ed344bc06a1 (patch) | |
| tree | 6222dadf315b6ac6905ccc9edbdc2599d9f49ebe | |
| parent | 69652f8abed6e02f1a824ff9c201e75681bd70fa (diff) | |
| download | cpython-a6edfd9737043420cfbf248ccae39ed344bc06a1.zip cpython-a6edfd9737043420cfbf248ccae39ed344bc06a1.tar.gz cpython-a6edfd9737043420cfbf248ccae39ed344bc06a1.tar.bz2 | |
Mark Hammond:
Fixes the MBCS codec to work correctly with zero length strings.
| -rw-r--r-- | Objects/unicodeobject.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c index 7a68dd4..e843d1a 100644 --- a/Objects/unicodeobject.c +++ b/Objects/unicodeobject.c @@ -1555,7 +1555,7 @@ PyObject *PyUnicode_DecodeMBCS(const char *s, /* First get the size of the result */ DWORD usize = MultiByteToWideChar(CP_ACP, 0, s, size, NULL, 0); - if (usize==0) + if (size > 0 && usize==0) return PyErr_SetFromWindowsErrWithFilename(0, NULL); v = _PyUnicode_New(usize); @@ -1578,9 +1578,14 @@ PyObject *PyUnicode_EncodeMBCS(const Py_UNICODE *p, { PyObject *repr; char *s; + DWORD mbcssize; + + /* If there are no characters, bail now! */ + if (size==0) + return PyString_FromString(""); /* First get the size of the result */ - DWORD mbcssize = WideCharToMultiByte(CP_ACP, 0, p, size, NULL, 0, NULL, NULL); + mbcssize = WideCharToMultiByte(CP_ACP, 0, p, size, NULL, 0, NULL, NULL); if (mbcssize==0) return PyErr_SetFromWindowsErrWithFilename(0, NULL); |