From: Victor Stinner <victor.stinner@haypocalc.com>
Date: Sat, 16 Oct 2010 22:52:09 +0000 (+0000)
Subject: _Py_wreadlink(): catch _Py_char2wchar() failure
X-Git-Tag: v3.2a4~521
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=350147b5cacee7a288875007cddf1f7a321a21e2;p=thirdparty%2FPython%2Fcpython.git

_Py_wreadlink(): catch _Py_char2wchar() failure
---

diff --git a/Python/fileutils.c b/Python/fileutils.c
index cfafd865c54d..147636f2c789 100644
--- a/Python/fileutils.c
+++ b/Python/fileutils.c
@@ -326,6 +326,10 @@ _Py_wreadlink(const wchar_t *path, wchar_t *buf, size_t bufsiz)
     }
     cbuf[res] = '\0'; /* buf will be null terminated */
     wbuf = _Py_char2wchar(cbuf);
+    if (wbuf == NULL) {
+        errno = EINVAL;
+        return -1;
+    }
     r1 = wcslen(wbuf);
     if (bufsiz <= r1) {
         PyMem_Free(wbuf);