hexdump.c File Reference

#include <xinu.h>

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Functions
void	hexadump (char *p, int32 len)
void	hexdump (char *p, int32 len)

Function Documentation

hexadump()

void hexadump	(	char *	p,
		int32	len
	)

Definition at line 55 of file hexdump.c.

References kprintf().

{
    int32   i;          /* counts bytes         */

    for (i=0; i<6; i++) {
        kprintf("%02x", 0xff & *p++);
    }
    kprintf("  ");

    for (i=0; i<6; i++) {
        kprintf("%02x", 0xff & *p++);
    }
    kprintf("  ");

    for (i=0; i<2; i++) {
        kprintf("%02x", 0xff & *p++);
    }
    kprintf("\t\tEnd Ethernet header\n");

    
    for (i=0; i<2; i++) {
        kprintf("%02x", 0xff & *p++);
    }
    kprintf("  ");

    for (i=0; i<2; i++) {
        kprintf("%02x", 0xff & *p++);
    }
    kprintf("  ");
    kprintf("%02x  ", 0xff & *p++);
    kprintf("%02x   ", 0xff & *p++);

    for (i=0; i<2; i++) {
        kprintf("%02x", 0xff & *p++);
    }
    kprintf("  ");

    kprintf("\tHTYP PTYP HLEN PLEN OP\n");



    for (i=0; i<6; i++) {
        kprintf("%02x", 0xff & *p++);
    }
    kprintf("  ");

    for (i=0; i<2; i++) {
        kprintf("%02x", 0xff & *p++);
    }
    kprintf("  ");

    for (i=0; i<6; i++) {
        kprintf("%02x", 0xff & *p++);
    }
    kprintf("  ");

    for (i=0; i<2; i++) {
        kprintf("%02x", 0xff & *p++);
    }
    kprintf("\tSHA   SPA  THA  TPA\n");
    return;
}

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hexdump()

void hexdump	(	char *	p,
		int32	len
	)

Definition at line 9 of file hexdump.c.

References kprintf().

{
    int32   i;          /* counts bytes         */
    int32   word;           /* counts 32 bits words     */

    for (i=0; i<6; i++) {
        kprintf("%02x", 0xff & *p++);
    }
    kprintf("  ");

    for (i=0; i<6; i++) {
        kprintf("%02x", 0xff & *p++);
    }
    kprintf("  ");

    for (i=0; i<2; i++) {
        kprintf("%02x", 0xff & *p++);
    }
    kprintf("\t\tEnd Ethernet header\n");

    for (word=0,i=0; i<len; i++) {
        if ((i % 4) == 0) {
            word++;
            if (word == 6) {
                kprintf("\tHV TOS LENGTH    ID FRAG    TTL PRO CKSUM    IP_SRC IP_DST\n");
            } else if (word==8) {
                kprintf("\t\t\t\tSRC_PRT DEST-PORT    LENGTH CKSUM\n");
                word = 17;
            } else if ((word % 16) ==0) {
                kprintf("\n");
            } else if (i != 0) {
                kprintf(" ");
            }
        }
        kprintf("%02x", 0xff & *p++);
    }
    kprintf("\n");
    return;
}

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