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/*
* SCCS: @(#)unmapsig.c 1.6 (96/11/04)
*
* UniSoft Ltd., London, England
*
* (C) Copyright 1992 X/Open Company Limited
*
* All rights reserved. No part of this source code may be reproduced,
* stored in a retrieval system, or transmitted, in any form or by any
* means, electronic, mechanical, photocopying, recording or otherwise,
* except as stated in the end-user licence agreement, without the prior
* permission of the copyright owners.
*
* X/Open and the 'X' symbol are trademarks of X/Open Company Limited in
* the UK and other countries.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/************************************************************************
SCCS: @(#)unmapsig.c 1.6 96/11/04 TETware release 3.3
NAME: unmapsig.c
PRODUCT: TETware
AUTHOR: Andrew Dingwall, UniSoft Ltd.
DATE CREATED: April 1992
DESCRIPTION:
function to convert machine-independent signal number to local
signal number
MODIFICATIONS:
************************************************************************/
#include <stdio.h>
#include "dtmac.h"
#include "error.h"
#include "ltoa.h"
#include "dtetlib.h"
#include "sigmap.h"
/*
** tet_unmapsignal() - map DTET signal number to local signal number
**
** return local signal number if successful or -1 on error
*/
int tet_unmapsignal(sig)
register int sig;
{
register struct sigmap *sp, *se;
extern struct sigmap tet_sigmap[];
extern int tet_Nsigmap;
/* if the local signal number is the same as the DTET one, use that;
otherwise we have to search the whole table */
if (sig >= 0 && sig < tet_Nsigmap && sig == tet_sigmap[sig].sig_local)
return(sig);
else
for (sp = tet_sigmap, se = sp + tet_Nsigmap; sp < se; sp++)
if (sp->sig_dtet == sig)
return(sp->sig_local);
error(0, "no local equivalent to DTET signal", tet_i2a(sig));
return(-1);
}
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