summaryrefslogtreecommitdiffstats
path: root/daemon/dmesg.c
diff options
context:
space:
mode:
authorRichard W.M. Jones <rjones@redhat.com>2009-05-01 11:27:32 +0100
committerRichard W.M. Jones <rjones@redhat.com>2009-05-01 11:27:32 +0100
commit8c60f5c681b5d7cf90bc798fcaf94cd4e242e27f (patch)
treede454f599ef753d29bcd46b71f2cfd051032c03d /daemon/dmesg.c
parent9222136ac9b2e404dba128b1ac74dacaa8bf1038 (diff)
downloadlibguestfs-8c60f5c681b5d7cf90bc798fcaf94cd4e242e27f.tar.gz
libguestfs-8c60f5c681b5d7cf90bc798fcaf94cd4e242e27f.tar.xz
libguestfs-8c60f5c681b5d7cf90bc798fcaf94cd4e242e27f.zip
Added dmesg command.
Diffstat (limited to 'daemon/dmesg.c')
-rw-r--r--daemon/dmesg.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/daemon/dmesg.c b/daemon/dmesg.c
new file mode 100644
index 00000000..2e58eb94
--- /dev/null
+++ b/daemon/dmesg.c
@@ -0,0 +1,46 @@
+/* libguestfs - the guestfsd daemon
+ * 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
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include "daemon.h"
+#include "actions.h"
+
+char *
+do_dmesg (void)
+{
+ char *out, *err;
+ int r;
+
+ r = command (&out, &err, "dmesg", NULL);
+ if (r == -1) {
+ reply_with_error ("dmesg: %s", err);
+ free (out);
+ free (err);
+ return NULL;
+ }
+ free (err);
+
+ return out; /* caller frees */
+}