From: Martin Mares <mj@ucw.cz>
Date: Sun, 18 Nov 2007 18:53:17 +0000 (+0100)
Subject: An empty token is not a valid number.
X-Git-Tag: python-dummy-working~271
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=33d084bcbc844c5ab96d73197b64cfc7f6261c3e;p=moe.git

An empty token is not a valid number.
---

diff --git a/judge/token.c b/judge/token.c
index 3c8ce38..795cc08 100644
--- a/judge/token.c
+++ b/judge/token.c
@@ -101,6 +101,8 @@ char *get_token(struct tokenizer *t)
 #define PARSE(f, ...)						\
 	char *end;						\
 	errno = 0;						\
+	if (!t->toksize)					\
+	  return 0;						\
 	*x = f(t->token, &end, ##__VA_ARGS__);			\
 	return !(errno || (unsigned char *) end != t->token + t->toksize)