From: Benjamin Peterson <benjamin@python.org>
Date: Mon, 19 Sep 2016 06:41:11 +0000 (-0700)
Subject: properly handle the single null-byte file (closes #24022)
X-Git-Tag: v3.4.6rc1~12
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=26d998cfdd1f843a154e5398d09c0270fa17aa30;p=thirdparty%2FPython%2Fcpython.git

properly handle the single null-byte file (closes #24022)
---

diff --git a/Parser/tokenizer.c b/Parser/tokenizer.c
index 1540d26d8b3b..1a8cf40c2ce4 100644
--- a/Parser/tokenizer.c
+++ b/Parser/tokenizer.c
@@ -1014,7 +1014,7 @@ tok_nextc(struct tok_state *tok)
                 else {
                     tok->done = E_OK;
                     tok->inp = strchr(tok->buf, '\0');
-                    done = tok->inp[-1] == '\n';
+                    done = tok->inp == tok->buf || tok->inp[-1] == '\n';
                 }
             }
             else {