Version 1.11.19.

[libguestfs.git] / daemon / ntfs.c

diff --git a/daemon/ntfs.c b/daemon/ntfs.c
index 70826df..5891263 100644 (file)
--- a/daemon/ntfs.c
+++ b/daemon/ntfs.c
@@ -1,5 +1,5 @@
 /* libguestfs - the guestfsd daemon
- * Copyright (C) 2009 Red Hat Inc. 
+ * Copyright (C) 2009-2010 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
@@ -20,11 +20,25 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <inttypes.h>
 #include <string.h>
 #include <unistd.h>
 
 #include "daemon.h"
 #include "actions.h"
+#include "optgroups.h"
+
+int
+optgroup_ntfs3g_available (void)
+{
+  return prog_exists ("ntfs-3g.probe");
+}
+
+int
+optgroup_ntfsprogs_available (void)
+{
+  return prog_exists ("ntfsresize");
+}
 
 int
 do_ntfs_3g_probe (int rw, const char *device)
@@ -33,16 +47,69 @@ do_ntfs_3g_probe (int rw, const char *device)
   int r;
   const char *rw_flag;
 
-  IS_DEVICE (device, -1);
-
   rw_flag = rw ? "-w" : "-r";
 
   r = commandr (NULL, &err, "ntfs-3g.probe", rw_flag, device, NULL);
   if (r == -1) {
-    reply_with_error ("ntfs-3g.probe: %s: %s", device, err);
+    reply_with_error ("%s: %s", device, err);
     free (err);
     return -1;
   }
 
+  free (err);
   return r;
 }
+
+/* Takes optional arguments, consult optargs_bitmask. */
+int
+do_ntfsresize_opts (const char *device, int64_t size, int force)
+{
+  char *err;
+  int r;
+  const char *argv[16];
+  size_t i = 0;
+  char size_str[32];
+
+  argv[i++] = "ntfsresize";
+  argv[i++] = "-P";
+
+  if (optargs_bitmask & GUESTFS_NTFSRESIZE_OPTS_SIZE_BITMASK) {
+    if (size <= 0) {
+      reply_with_error ("size is zero or negative");
+      return -1;
+    }
+
+    snprintf (size_str, sizeof size_str, "%" PRIi64, size);
+    argv[i++] = "--size";
+    argv[i++] = size_str;
+  }
+
+  if (optargs_bitmask & GUESTFS_NTFSRESIZE_OPTS_FORCE_BITMASK && force)
+    argv[i++] = "--force";
+
+  argv[i++] = device;
+  argv[i++] = NULL;
+
+  r = commandv (NULL, &err, argv);
+  if (r == -1) {
+    reply_with_error ("%s: %s", device, err);
+    free (err);
+    return -1;
+  }
+
+  free (err);
+  return 0;
+}
+
+int
+do_ntfsresize (const char *device)
+{
+  return do_ntfsresize_opts (device, 0, 0);
+}
+
+int
+do_ntfsresize_size (const char *device, int64_t size)
+{
+  optargs_bitmask = GUESTFS_NTFSRESIZE_OPTS_SIZE_BITMASK;
+  return do_ntfsresize_opts (device, size, 0);
+}