#include <u.h>#include <libc.h>#include <auth.h>#include <bio.h>#include "imap4d.h" voidboxVerify(Box *box){	Msg *m;	ulong seq, uid, recent; 	if(box == nil)		return;	recent = 0;	seq = 0;	uid = 0;	for(m = box->msgs; m != nil; m = m->next){		if(m->seq == 0)			fprint(2, "m->seq == 0: m->seq=%lud\n", m->seq);		else if(m->seq <= seq)			fprint(2, "m->seq=%lud out of order: last=%lud\n", m->seq, seq);		seq = m->seq; 		if(m->uid == 0)			fprint(2, "m->uid == 0: m->seq=%lud\n", m->seq);		else if(m->uid <= uid)			fprint(2, "m->uid=%lud out of order: last=%lud\n", m->uid, uid);		uid = m->uid; 		if(m->flags & MRecent)			recent++;	}	if(seq != box->max)		fprint(2, "max=%lud, should be %lud\n", box->max, seq);	if(uid >= box->uidnext)		fprint(2, "uidnext=%lud, maxuid=%lud\n", box->uidnext, uid);	if(recent != box->recent)		fprint(2, "recent=%lud, should be %lud\n", box->recent, recent);} voidopenfiles(void){	Dir d;	int i; 	for(i = 0; i < 20; i++)		if(dirfstat(i, &d) >= 0)			fprint(2, "fd[%d]='%s' type=%c dev=%d user='%s group='%s'\n", i, d.name, d.type, d.dev, d.uid, d.gid);} voidls(char *file){	Dir d[NDirs];	int fd, i, nd; 	fd = open(file, OREAD);	if(fd < 0)		return; 	/*	 * read box to find all messages	 * each one has a directory, and is in numerical order	 */	if(dirfstat(fd, d) < 0){		close(fd);		return;	}	if(!(d->mode & CHDIR)){		fprint(2, "file %s\n", file);		close(fd);		return;	}	while((nd = dirread(fd, d, sizeof(Dir) * NDirs)) >= sizeof(Dir)){		nd /= sizeof(Dir);		for(i = 0; i < nd; i++){			fprint(2, "%s/%s %c\n", file, d[i].name, "-d"[(d[i].mode & CHDIR) == CHDIR]);		}	}	close(fd);}