Static-ify a variable. make du work with all the human-readable variants

[oweals/busybox.git] / fdflush.c

diff --git a/fdflush.c b/fdflush.c
index a15e9b3f7f8fd24098fffcf55db85ef7e92cd844..28f5cb68a02244da47ab04a0073e9d6aff2c317b 100644 (file)
--- a/fdflush.c
+++ b/fdflush.c
@@ -1,36 +1,47 @@
-#include "internal.h"
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini fdflush 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 <sys/ioctl.h>
-#include <linux/fd.h>
-#include <sys/types.h>
-#include <sys/stat.h>
 #include <fcntl.h>
+#include <stdlib.h>
+#include "busybox.h"
 
-const char                     fdflush_usage[] = "fdflush device";
+/* From <linux/fd.h> */
+#define FDFLUSH  _IO(2,0x4b)
 
-int 
-fdflush(const char *filename) 
+extern int fdflush_main(int argc, char **argv)
 {
-       int     status;
-       int     fd = open(filename, 0);
-
-       if ( fd < 0 ) {
-               name_and_error(filename);
-               return 1;
-       }
+       int fd;
 
-       status = ioctl(fd, FDFLUSH, 0);
-       close(fd);
+       if (argc <= 1 || **(++argv) == '-')
+               show_usage();
 
-       if ( status != 0 ) {
-               name_and_error(filename);
-               return 1;
-       }
-       return 0;
-}
+       if ((fd = open(*argv, 0)) < 0)
+               perror_msg_and_die("%s", *argv);
 
+       if (ioctl(fd, FDFLUSH, 0))
+               perror_msg_and_die("%s", *argv);
 
-int
-fdflush_fn(const struct FileInfo * i)
-{
-  return fdflush(i->source);
+       return EXIT_SUCCESS;
 }