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.
util/util.h
- Committer:
- etherealflaim
- Date:
- 2010-10-12
- Revision:
- 6:66c4cd9073aa
- Parent:
- 4:88fc7fa58931
File content as of revision 6:66c4cd9073aa:
#ifndef UTIL_H #define UTIL_H #include "types.h" #include "log.h" /** \file util.h \brief Primary utility header In addition to providing some utility functions, this file also includes the other utility headers automatically. */ /// 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; return true; } #endif