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| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2018-02-18 10:58:09 -0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-02-18 10:58:09 -0800 |
| commit | 65a13c19e86488119cc9bc192f5a0b846d90940f (patch) | |
| tree | 32b0580a19cf8bcd694948dc5444d81a6e3de379 /Python/fileutils.c | |
| parent | 17ca4e193ea25f13a5f0309a0713a6b5bedaf3e4 (diff) | |
| download | cpython-git-65a13c19e86488119cc9bc192f5a0b846d90940f.tar.gz | |
bpo-32869: Fix incorrect dst buffer size for MultiByteToWideChar (GH-5739)
This function expects the destination buffer size to be given
in wide characters, not bytes.
(cherry picked from commit b3b4a9d3001f1fc7df8efcccdce081de54fa5eab)
Co-authored-by: Alexey Izbyshev <izbyshev@users.noreply.github.com>
Diffstat (limited to 'Python/fileutils.c')
| -rw-r--r-- | Python/fileutils.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Python/fileutils.c b/Python/fileutils.c index 899ea8aeca..b9638d2df5 100644 --- a/Python/fileutils.c +++ b/Python/fileutils.c @@ -1185,7 +1185,8 @@ _Py_fopen_obj(PyObject *path, const char *mode) if (wpath == NULL) return NULL; - usize = MultiByteToWideChar(CP_ACP, 0, mode, -1, wmode, sizeof(wmode)); + usize = MultiByteToWideChar(CP_ACP, 0, mode, -1, + wmode, Py_ARRAY_LENGTH(wmode)); if (usize == 0) { PyErr_SetFromWindowsErr(0); return NULL; |