Add dhcpcd-3 re-write

1 files changed, 64 insertions, 0 deletions

diff --git a/common.c b/common.c
new file mode 100644
index 00000000..c3203b9c
--- /dev/null
+++ b/common.c
@@ -0,0 +1,64 @@
+/*
+ * dhcpcd - DHCP client daemon -
+ * Copyright (C) 2006 Roy Marples <uberlord@gentoo.org>
+ * 
+ * dhcpcd is an RFC2131 compliant DHCP client daemon.
+ *
+ * This 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 <sys/time.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "logger.h"
+
+/* This requires us to link to rt on glibc, so we use sysinfo instead */
+#ifdef __linux__
+#include <sys/sysinfo.h>
+long uptime (void)
+{
+  struct sysinfo info;
+
+  sysinfo (&info);
+  return info.uptime;
+}
+#else
+#include <time.h>
+long uptime (void)
+{
+  struct timespec tp;
+
+  if (clock_gettime(CLOCK_MONOTONIC, &tp) == -1)
+    {
+      logger (LOG_ERR, "Unable to get uptime: %m");
+      return -1;
+    }
+
+  return tp.tv_sec;
+}
+#endif /* __linux__ */
+
+void *xmalloc (size_t size)
+{
+  register void *value = malloc (size);
+
+  if (value)
+    return value;
+
+  logger (LOG_ERR, "memory exhausted");
+  exit (1);
+}
+