Module Name: src
Committed By: jmcneill
Date: Sat Jul 14 16:34:15 UTC 2018
Modified Files:
src/usr.sbin/tprof: tprof.c
Log Message:
Fix a crash when running tprof with no arguments; check argc before accessing
argv[0]
To generate a diff of this commit:
cvs rdiff -u -r1.10 -r1.11 src/usr.sbin/tprof/tprof.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/usr.sbin/tprof/tprof.c
diff -u src/usr.sbin/tprof/tprof.c:1.10 src/usr.sbin/tprof/tprof.c:1.11
--- src/usr.sbin/tprof/tprof.c:1.10 Fri Jul 13 19:54:53 2018
+++ src/usr.sbin/tprof/tprof.c Sat Jul 14 16:34:15 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: tprof.c,v 1.10 2018/07/13 19:54:53 joerg Exp $ */
+/* $NetBSD: tprof.c,v 1.11 2018/07/14 16:34:15 jmcneill Exp $ */
/*
* Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -57,7 +57,7 @@
#include <sys/cdefs.h>
#ifndef lint
-__RCSID("$NetBSD: tprof.c,v 1.10 2018/07/13 19:54:53 joerg Exp $");
+__RCSID("$NetBSD: tprof.c,v 1.11 2018/07/14 16:34:15 jmcneill Exp $");
#endif /* not lint */
#include <sys/ioctl.h>
@@ -287,6 +287,9 @@ main(int argc, char *argv[])
err(EXIT_FAILURE, "cpu not supported");
}
+ if (argc == 0)
+ usage();
+
for (ct = tprof_cmdtab; ct->label != NULL; ct++) {
if (strcmp(argv[0], ct->label) == 0) {
if (!ct->argsoptional &&
