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#include "logfsos.h"
#include "logfs.h"
#include "local.h"
enum {
GROUPMOD = 127
};
static int
groupcompare(void *a, void *b)
{
Group *g = a;
char *uid = b;
return g->uid == uid;
}
static int
unamecompare(void *a, void *b)
{
Uname *u = a;
char *uname = b;
return u->uname == uname;
}
static int
groupallocsize(void *key)
{
USED(key);
return sizeof(Group);
}
static int
unameallocsize(void *key)
{
USED(key);
return sizeof(Uname);
}
char *
logfsgroupmapnew(GroupMap **groupmapp, UnameMap **unamemapp)
{
char *errmsg;
errmsg = logfsmapnew(GROUPMOD, logfshashulong, groupcompare, groupallocsize, nil, groupmapp);
if(errmsg)
return errmsg;
errmsg = logfsmapnew(GROUPMOD, logfshashulong, unamecompare, unameallocsize, nil, unamemapp);
if(errmsg)
logfsmapfree(groupmapp);
return errmsg;
}
char *
logfsgroupmapnewentry(GroupMap *gm, UnameMap *um, char *uid, char *uname, Group **groupp, Uname **unamep)
{
char *errmsg;
errmsg = logfsmapnewentry(gm, uid, groupp);
if(errmsg)
return errmsg;
if(*groupp == nil)
return "uid already exists";
(*groupp)->uid = uid;
errmsg = logfsgroupsetnew(&(*groupp)->members);
if(errmsg) {
logfsmapdeleteentry(gm, uid);
return errmsg;
}
errmsg = logfsmapnewentry(um, uname, unamep);
if(errmsg == nil && *unamep == nil)
errmsg = "uname already exists";
if(errmsg) {
logfsgroupsetfree(&(*groupp)->members);
logfsmapdeleteentry(gm, uid);
return errmsg;
}
(*groupp)->uname = uname;
(*unamep)->uname = uname;
(*unamep)->g = *groupp;
return nil;
}
char *
logfsgroupmapfinduname(GroupMap *m, char *uid)
{
Group *g;
g = logfsgroupmapfindentry(m, uid);
if(g)
return g->uname;
return nil;
}
char *
logfsunamemapfinduid(UnameMap *m, char *uname)
{
Uname *u;
u = logfsunamemapfindentry(m, uname);
if(u)
return u->g->uid;
return nil;
}
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