2021-10-11 19:38:01 -03:00

47 lines
1.1 KiB
C
Executable File

/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
/* The copyright notice above does not evidence any */
/* actual or intended publication of such source code. */
#ident "@(#)TLdelete.c 1.4 92/07/14 SMI" /* SVr4.0 1.3 */
#include <table.h>
#include <internal.h>
extern tbl_t TLtables[];
int
TLdelete( tid, entryno )
int tid;
entryno_t entryno;
{
register rc;
/* Initialize TLlib, if needed */
TLinit();
tid--;
if( !TLt_valid( tid ) ) return( TLBADID );
if( T_EMPTY(tid) || entryno < 0 || entryno > TLEND )
return( TLBADENTRY );
/* If entryno is relative to TLEND, calculate the absolute entryno */
if( IS_FROM_END(entryno) )
entryno = TLe_relative( tid, entryno );
else if( entryno == TLBEGIN )
entryno = 1;
/*
TLe_find() insures that the entry, it it exists, is parsed and
in main memory.
*/
if( (rc = TLe_find( tid, entryno ) ) != TLOK ) return( rc );
/* Delete the entry */
rc = TLe_delete( tid, entryno );
if( rc == TLOK ) TLtables[ tid ].status |= MODIFIED;
return( rc );
}