#include "lib9.h"#include "logfs.h"#include "local.h" intlogfsuserpermcheck(LogfsServer *s, Entry *e, Fid *f, ulong permmask){	if(s->openflags & LogfsOpenFlagNoPerm)		return 1;	if((e->perm & permmask) == permmask)		/* the whole world can do this */		return 1;	if(((e->perm >> 6) & permmask) == permmask) {		/* maybe we're the owner */		char *uname = logfsisfindnamefromid(s->is, e->uid);		if(uname == f->uname)			return 1;	}	if(((e->perm >> 3) & permmask) == permmask) {		/* maybe we're in the group */		Group *g = logfsisfindgroupfromid(s->is, e->gid);		return g && logfsisgroupunameismember(s->is, g, f->uname);	}	return 0;}