From 503a62a82284b00137a18e4aad24e00b71175a93 Mon Sep 17 00:00:00 2001
From: Hojun-Cho <ghwns6743@gmail.com>
Date: Fri, 27 Dec 2024 22:35:10 +0900
Subject: [PATCH] lex/parser.y fix Segmentation fault

Check the EOF first.
---
 src/cmd/lex/parser.y | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cmd/lex/parser.y b/src/cmd/lex/parser.y
index 964a60fe..358d5397 100644
--- a/src/cmd/lex/parser.y
+++ b/src/cmd/lex/parser.y
@@ -620,7 +620,7 @@ yylex(void)
 	if(debug)
 		Bprint(&fout,"\n/*this comes from section three - debug */\n");
 # endif
-	while(getl(buf) && !eof)
+	while(!eof && getl(buf))
 		Bprint(&fout,"%s\n",(char*)buf);
 	return(freturn(0));
 }