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:
- 4:88fc7fa58931
- Parent:
- 0:d494b853ce97
- Child:
- 6:66c4cd9073aa
--- a/util/util.h Tue Oct 12 06:14:19 2010 +0000 +++ b/util/util.h Tue Oct 12 06:21:05 2010 +0000 @@ -4,18 +4,21 @@ #include "types.h" #include "log.h" +/// Is any byte memory at start for bytes nonzero? inline bool is_nonzero_mem(u8 *start, unsigned int bytes) { for (; bytes--; ++start) if (*start) return true; return false; } +/// Are all bytes at start for bytes zero? inline bool is_zero_mem(u8 *start, unsigned int bytes) { for (; bytes--; ++start) if (*start) return false; return true; } +/// Are the memory locations at and and b equal for bytes? inline bool is_equal_mem(u8 *a, u8 *b, unsigned int bytes) { for (; bytes--; ++a, ++b) if (*a != *b) return false;