Fix a segfault in lash, hush, and cmdedit. Each of these used

[oweals/busybox.git] / coreutils / sync.c

diff --git a/coreutils/sync.c b/coreutils/sync.c
index 572d749245972afa18ff1c42586400e72829f4e5..ee22ae109c5a222dd29a958ef375138f54e4220e 100644 (file)
--- a/coreutils/sync.c
+++ b/coreutils/sync.c
@@ -1,13 +1,35 @@
-#include "internal.h"
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini sync implementation for busybox
+ *
+ *
+ * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
 #include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "busybox.h"
 
-extern int
-sync_main(int argc, char * * argv)
+extern int sync_main(int argc, char **argv)
 {
-    if ( **(argv+1) == '-' ) {
-       fprintf(stderr, "Usage: sync\nWrite all buffered filesystem blocks to disk.\n");
-       exit(FALSE);
-    }
-       return sync();
+       if (argc > 1 && **(argv + 1) == '-')
+               show_usage();
+       sync();
+       return(EXIT_SUCCESS);
 }
-