/* *  Test device */#include	"u.h"#include	"../port/lib.h"#include	"mem.h"#include	"dat.h"#include	"fns.h"#include	"io.h"#include	"../port/error.h"#include	"libcrypt.h" #include <kernel.h> #define	DEBUG	0 extern void _startup(void); enum{	Qdir,	Qkt5sum,	Qkerndate,}; staticDirtab testtab[]={	".",			{ Qdir, 0, QTDIR},	0,	0555,	"kt5sum",		{ Qkt5sum },		0,	0444,	"kerndate",	{ Qkerndate },		0,	0444,};  void ktsum(char *digest){	uchar rawdigest[MD5dlen+1];	int i;	void *start =  _startup;	ulong size = (ulong)etext - (ulong) start;	md5(start, size, rawdigest, nil);	for (i=0; i<MD5dlen; i++)		sprint(&digest[2*i], "%2.2x", rawdigest[i]);	digest[MD5dlen*2] = 0;	strcat(digest, "\n");} static Chan*testattach(char *spec){	return devattach('Z', spec);} static Walkqid*testwalk(Chan *c, Chan *nc, char **name, int nname){	return devwalk(c, nc, name, nname, testtab, nelem(testtab), devgen);} static intteststat(Chan *c, uchar *db, int n){	return devstat(c, db, n, testtab, nelem(testtab), devgen);} static Chan*testopen(Chan *c, int omode){	return devopen(c, omode, testtab, nelem(testtab), devgen);} static voidtestclose(Chan *){} extern ulong kerndate; static longtestread(Chan* c, void* a, long n, vlong offset){	char digest[MD5dlen*2+1];	switch ((ulong)c->qid.path) {	case Qdir:		return devdirread(c, a, n, testtab, nelem(testtab), devgen);	case Qkt5sum:		ktsum(digest);		return readstr(offset, a, n, digest);	case Qkerndate:		sprint(digest, "%ld\n", kerndate);		return readstr(offset, a, n, digest);	default:		n = 0;		break;	}	return n;}	 static longtestwrite(Chan*, void*, long, vlong){	error(Ebadusefd);	return 0;} Dev testdevtab = {	'Z',	"test", 	devreset,	devinit,	devshutdown,	testattach,	testwalk,	teststat,	testopen,	devcreate,	testclose,	testread,	devbread,	testwrite,	devbwrite,	devremove,	devwstat,};