Kyle Lemons
This is a low-level network debugging utility that utilizes raw packet i/o to construct and deconstruct tcp, udp, ipv4, arp, and icmp packets over ethernet.
Diff: util/util.h
- Revision:
- 0:d494b853ce97
- Child:
- 4:88fc7fa58931
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/util/util.h Tue Oct 12 05:32:59 2010 +0000
@@ -0,0 +1,25 @@
+#ifndef UTIL_H
+#define UTIL_H
+
+#include "types.h"
+#include "log.h"
+
+inline bool is_nonzero_mem(u8 *start, unsigned int bytes)
+{
+ for (; bytes--; ++start) if (*start) return true;
+ return false;
+}
+
+inline bool is_zero_mem(u8 *start, unsigned int bytes)
+{
+ for (; bytes--; ++start) if (*start) return false;
+ return true;
+}
+
+inline bool is_equal_mem(u8 *a, u8 *b, unsigned int bytes)
+{
+ for (; bytes--; ++a, ++b) if (*a != *b) return false;
+ return true;
+}
+
+#endif
\ No newline at end of file