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#include <u.h>
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#include <libc.h>
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#include <bio.h>
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#include <auth.h>
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#include "imap4d.h"
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static NamedInt	flagMap[] =
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{
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	{"\\Seen",	MSeen},
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	{"\\Answered",	MAnswered},
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	{"\\Flagged",	MFlagged},
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	{"\\Deleted",	MDeleted},
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	{"\\Draft",	MDraft},
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	{"\\Recent",	MRecent},
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	{nil,		0}
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};
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int
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storeMsg(Box *box, Msg *m, int uids, void *vst)
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{
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	Store *st;
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	int f, flags;
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	USED(uids);
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	if(m->expunged)
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		return uids;
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	st = vst;
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	flags = st->flags;
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	f = m->flags;
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	if(st->sign == '+')
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		f |= flags;
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	else if(st->sign == '-')
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		f &= ~flags;
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	else
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		f = flags;
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	/*
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	 * not allowed to change the recent flag
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	 */
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	f = (f & ~MRecent) | (m->flags & MRecent);
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	setFlags(box, m, f);
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	if(st->op != STFlagsSilent){
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		m->sendFlags = 1;
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		box->sendFlags = 1;
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	}
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	return 1;
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}
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/*
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 * update flags & global flag counts in box
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 */
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void
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setFlags(Box *box, Msg *m, int f)
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{
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	if(f == m->flags)
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		return;
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	box->dirtyImp = 1;
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	if((f & MRecent) != (m->flags & MRecent)){
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		if(f & MRecent)
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			box->recent++;
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		else
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			box->recent--;
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	}
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	m->flags = f;
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}
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void
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sendFlags(Box *box, int uids)
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{
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	Msg *m;
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	if(!box->sendFlags)
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		return;
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	box->sendFlags = 0;
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	for(m = box->msgs; m != nil; m = m->next){
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		if(!m->expunged && m->sendFlags){
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			Bprint(&bout, "* %lud FETCH (", m->seq);
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			if(uids)
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				Bprint(&bout, "uid %lud ", m->uid);
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			Bprint(&bout, "FLAGS (");
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			writeFlags(&bout, m, 1);
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			Bprint(&bout, "))\r\n");
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			m->sendFlags = 0;
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		}
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	}
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}
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void
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writeFlags(Biobuf *b, Msg *m, int recentOk)
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{
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	char *sep;
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	int f;
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	sep = "";
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	for(f = 0; flagMap[f].name != nil; f++){
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		if((m->flags & flagMap[f].v)
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		&& (flagMap[f].v != MRecent || recentOk)){
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			Bprint(b, "%s%s", sep, flagMap[f].name);
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			sep = " ";
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		}
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	}
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}
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int
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msgSeen(Box *box, Msg *m)
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{
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	if(m->flags & MSeen)
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		return 0;
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	m->flags |= MSeen;
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	box->sendFlags = 1;
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	m->sendFlags = 1;
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	box->dirtyImp = 1;
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	return 1;
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}
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ulong
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mapFlag(char *name)
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{
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	return mapInt(flagMap, name);
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}