command.c: avoid shadowing a global function

[libguestfs.git] / daemon / du.c

diff --git a/daemon/du.c b/daemon/du.c
index 6287a20..e6df245 100644 (file)
--- a/daemon/du.c
+++ b/daemon/du.c
@@ -1,5 +1,5 @@
 /* libguestfs - the guestfsd daemon
- * Copyright (C) 2009 Red Hat Inc. 
+ * Copyright (C) 2009 Red Hat Inc.
  *
  * 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
@@ -29,25 +29,19 @@
 #include "actions.h"
 
 int64_t
-do_du (char *path)
+do_du (const char *path)
 {
   int r;
   int64_t rv;
   char *out, *err;
   char *buf;
-  int len;
-
-  NEED_ROOT (-1);
-  ABS_PATH (path, -1);
 
   /* Make the path relative to /sysroot. */
-  len = strlen (path) + 9;
-  buf = malloc (len);
+  buf = sysroot_path (path);
   if (!buf) {
     reply_with_perror ("malloc");
     return -1;
   }
-  snprintf (buf, len, "/sysroot%s", path);
 
   r = command (&out, &err, "du", "-s", buf, NULL);
   free (buf);