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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */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