/*-------------------------------------------------------------------------
 *
 * oidname.c--
 *    adt for multiple key indices involving oid and name.  Used for cache
 *    index scans (could also be used in the general case with name).
 *
 * Copyright (c) 1994, Regents of the University of California
 *
 *
 * IDENTIFICATION
 *    $Header: /usr/local/devel/pglite/cvs/src/backend/utils/adt/oidname.c,v 1.1 1996/02/24 00:50:02 jolly Exp $
 *
 *-------------------------------------------------------------------------
 */
#include <stdio.h>
#include <string.h>

#include "postgres.h"
#include "utils/oidcompos.h"	/* where function declarations go */
#include "utils/builtins.h"	/* for pg_atoi() */
#include "utils/elog.h"
#include "utils/palloc.h"

OidName
oidnamein(char *inStr)
{
    OidName oc;
    char *inptr;
    
    oc = (OidName) palloc(sizeof(OidNameData));
    
    memset(oc, 0, sizeof(OidNameData)); 
    for (inptr = inStr; *inptr && *inptr != ','; inptr++)
	;
    
    if (*inptr) {
	oc->id = (Oid) pg_atoi(inStr, sizeof(Oid), ',');
	/* copy one less to ensure null-padding */
	strncpy(oc->name.data,++inptr,NAMEDATALEN-1);
	/* namestrcpy(&oc->name, ++inptr); */
    }else
	elog(WARN, "Bad input data for type oidname");
    
    return oc;
}

char *
oidnameout(OidName oidname)
{
    char buf[30+NAMEDATALEN];  /* oidname length + oid length + some safety */
    char *res;
    
    sprintf(buf, "%d,%s", oidname->id, oidname->name.data);
    res = pstrdup(buf);
    return(res);
}

bool
oidnamelt(OidName o1, OidName o2)
{
    return (bool)
	(o1->id < o2->id ||
	 (o1->id == o2->id && namecmp(&o1->name, &o2->name) < 0));
}

bool
oidnamele(OidName o1, OidName o2)
{
    return (bool)
	(o1->id < o2->id ||
    	 (o1->id == o2->id && namecmp(&o1->name,&o2->name) <= 0));
}

bool
oidnameeq(OidName o1, OidName o2)
{
    return (bool)
	(o1->id == o2->id &&
    	 (namecmp(&o1->name, &o2->name) == 0));
}

bool
oidnamene(OidName o1, OidName o2)
{
    return (bool)
	(o1->id != o2->id ||
    	 (namecmp(&o1->name,&o2->name) != 0));
}

bool
oidnamege(OidName o1, OidName o2)
{
    return (bool) (o1->id > o2->id || (o1->id == o2->id && 
				       namecmp(&o1->name, &o2->name) >= 0));
}

bool
oidnamegt(OidName o1, OidName o2)
{
    return (bool) (o1->id > o2->id ||  (o1->id == o2->id && 
					namecmp(&o1->name, &o2->name) > 0)); 
}

int
oidnamecmp(OidName o1, OidName o2)
{
    if (o1->id == o2->id)
    	return (namecmp(&o1->name,&o2->name));
    
    return (o1->id < o2->id) ? -1 : 1;
}

OidName
mkoidname(Oid id, char *name)
{
    OidName oidname;
    
    oidname = (OidName) palloc(sizeof(Oid)+NAMEDATALEN);
    
    oidname->id = id;
    namestrcpy(&oidname->name,name);
    return oidname;
}