X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;ds=sidebyside;f=judge%2Ftoken.c;h=795cc084e28f142a86e838f88129ac0746258ac6;hb=6cba59728737842b32077102280642d269b78d90;hp=3c8ce38cd71c68e642ca9a767bd4eef9b6f20388;hpb=3a3647ada32a29ae781e8474387da14f7577abab;p=moe.git

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)