pcapnav_macros

#define MAX(a, b)  (((a) > (b)) ? (a) : (b))

#define MIN(a, b)  (((a) < (b)) ? (a) : (b))

#define NEW(X)    ((X*) calloc(1, sizeof(X)))

#define FREE(X)   { if (X) { free(X); X = NULL; } }

#define MAXPATHLEN 4096

#define     SWAPLONG(y)

#define     SWAPSHORT(y)

#define TCPDUMP_MAGIC 0xa1b2c3d4

#define PATCHED_TCPDUMP_MAGIC 0xa1b2cd34

#define PCAP_VERSION_MAJOR 2

#define PCAP_VERSION_MINOR 4

#define MAX_REASONABLE_FILE_SPAN (3600*24*366)	/* one year */

#define MAX_REASONABLE_PACKET_LENGTH 65535

#define MAX_PACKET_SIZE(pn) (pn->trace.pkthdr_size + pn->trace.filehdr.snaplen)

#define MAX_BYTES_FOR_DEFINITE_HEADER(pn) (3 * MAX_PACKET_SIZE(pn))

#define MAX_REASONABLE_HDR_SEPARATION (3600 * 24 * 7)	/* one week */

#define STRAIGHT_SCAN_THRESHOLD(pn) (100 * MAX_PACKET_SIZE(pn))

#define MAX_CHAIN_LENGTH 20