From 894ac2d70dd2ab3a8db709409389cc1a83385eb5 Mon Sep 17 00:00:00 2001 From: Lukas Fleischer Date: Fri, 17 Feb 2012 16:49:35 +0100 Subject: Trap fgets() failure in *_scan() Ensure we don't read arbitrary data when fgets() returns a NULL string (meaning that either the EOF is encountered or an error occurred). This also fixes a couple of compiler warnings seen with "-Wunused-result". Signed-off-by: Lukas Fleischer --- src/event.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'src/event.c') diff --git a/src/event.c b/src/event.c index 64bc3eb..4e1292b 100644 --- a/src/event.c +++ b/src/event.c @@ -149,7 +149,9 @@ event_scan (FILE *f, struct tm start, int id, char *note) localtime (&t); /* Read the event description */ - fgets (buf, sizeof buf, f); + if (!fgets (buf, sizeof buf, f)) + return NULL; + nl = strchr (buf, '\n'); if (nl) { -- cgit v1.2.3-54-g00ecf