From 606f52e77d930f982bf9dd2c205228023330a93a Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Mon, 12 Aug 2013 17:51:57 +0200
Subject: config: check (and fix) some integer limits

---
 src/config.l | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

(limited to 'src/config.l')

diff --git a/src/config.l b/src/config.l
index 295352f..c9f25d8 100644
--- a/src/config.l
+++ b/src/config.l
@@ -55,7 +55,21 @@
 %}
 
 <INITIAL>{
-[0-9]+		{ UPDATE_LOCATION; yylval->num = atoi(yytext); BEGIN(NEEDSPACE); return TOK_INTEGER; }
+[0-9]+ {
+	char *endptr;
+
+	UPDATE_LOCATION;
+
+	yylval->uint64 = strtoull(yytext, &endptr, 10);
+	if (*endptr) {
+		yylval->error = "invalid integer constant";
+		return -1;
+	}
+
+
+	BEGIN(NEEDSPACE);
+	return TOK_UINT;
+}
 
 interface	{ TOKEN(TOK_INTERFACE); }
 bind		{ TOKEN(TOK_BIND); }
-- 
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