From 4862781f5be382add402ebea31a561e4e9f1e1e1 Mon Sep 17 00:00:00 2001 From: josh Date: Fri, 7 Nov 2008 04:41:55 +0000 Subject: [PATCH] updated main() git-svn-id: svn://anubis/misc/llvm@74 bd8a9e45-a331-0410-811e-c64571078777 --- jlc/jlc.yy | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/jlc/jlc.yy b/jlc/jlc.yy index 92833d3..d01d5be 100644 --- a/jlc/jlc.yy +++ b/jlc/jlc.yy @@ -1,6 +1,8 @@ %{ #include +#include +using namespace std; extern "C" { int yylex(void); @@ -153,6 +155,11 @@ int main(int argc, char * argv[]) if (argc > 0) { yyin = fopen(argv[1], "r"); + if (yyin == NULL) + { + cerr << "Failed to open file '" << argv[1] << "'" << endl; + return -1; + } } yyparse(); }