From 454489f79baa3ee1c56498a1c35606b43822f138 Mon Sep 17 00:00:00 2001
From: tedu <tedu>
Date: Fri, 4 Dec 2015 09:41:49 +0000
Subject: [PATCH] espie reminds me that EOF can happen for errors as well, so
 check for that happening and print a message.

---
 parse.y | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/parse.y b/parse.y
index 85e20cc..388c2a5 100644
--- a/parse.y
+++ b/parse.y
@@ -251,12 +251,12 @@ repeat:
 			/* skip comments; NUL is allowed; no continuation */
 			while ((c = getc(yyfp)) != '\n')
 				if (c == EOF)
-					return 0;
+					goto eof;
 			yylval.colno = 0;
 			yylval.lineno++;
 			return c;
 		case EOF:
-			return 0;
+			goto eof;
 	}
 
 	/* parsing next word */
@@ -330,7 +330,7 @@ eow:
 		 * the main loop.
 		 */
 		if (c == EOF)
-			return 0;
+			goto eof;
 		else if (qpos == -1)    /* accept, e.g., empty args: cmd foo args "" */
 			goto repeat;
 	}
@@ -344,4 +344,9 @@ eow:
 		err(1, "%s", __func__);
 	yylval.str = str;
 	return TSTRING;
+
+eof:
+	if (ferror(yyfp))
+		yyerror("input error reading config");
+	return 0;
 }
-- 
2.39.2