commit 350147b5cacee7a288875007cddf1f7a321a21e2
author Victor Stinner <victor.stinner@haypocalc.com> Sat Oct 16 22:52:09 2010 +0000
committer Victor Stinner <victor.stinner@haypocalc.com> Sat Oct 16 22:52:09 2010 +0000
tree 0a80bfc7d28ecbe2fe90af16dab889a1f1294096
parent 3f711f4a3e6e2eb9ea9d9d0f841766e9df74ea29

_Py_wreadlink(): catch _Py_char2wchar() failure

Python/fileutils.c

diff --git a/Python/fileutils.c b/Python/fileutils.c
index cfafd86..147636f 100644
--- a/Python/fileutils.c
+++ b/Python/fileutils.c
@@ -326,6 +326,10 @@
     }
     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);