Use ferror() to check for getline() failure. From Scott Cheloha.

OK jung@

diff --git a/usr.bin/from/from.c b/usr.bin/from/from.c
index 52bf5e3..bd2bd69 100644 (file)
--- a/usr.bin/from/from.c
+++ b/usr.bin/from/from.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: from.c,v 1.24 2015/11/05 18:42:41 mmcc Exp $  */
+/*     $OpenBSD: from.c,v 1.25 2017/05/31 19:41:30 millert Exp $       */
 /*     $NetBSD: from.c,v 1.6 1995/09/01 01:39:10 jtc Exp $     */
 
 /*
@@ -98,6 +98,9 @@ main(int argc, char *argv[])
                newline = 0;
        }
        free(line);
+       if (ferror(fp))
+               err(EXIT_FAILURE, "getline");
+       fclose(fp);
        exit(EXIT_SUCCESS);
 }