386BSD 0.1 development

[unix-history] / usr / othersrc / contrib / isode / ssap / ssapminor2.c

/* ssapminor2.c - SPM: respond to minorsyncs */

#ifndef lint
static char *rcsid = "$Header: /f/osi/ssap/RCS/ssapminor2.c,v 7.1 91/02/22 09:45:55 mrose Interim $";
#endif

/* 
* $Header: /f/osi/ssap/RCS/ssapminor2.c,v 7.1 91/02/22 09:45:55 mrose Interim $
*
*
* $Log:        ssapminor2.c,v $
* Revision 7.1  91/02/22  09:45:55  mrose
* Interim 6.8
* 
* Revision 7.0  89/11/23  22:25:33  mrose
* Release 6.0
* 
*/

/*
*                                NOTICE
*
*    Acquisition, use, and distribution of this module and related
*    materials are subject to the restrictions of a license agreement.
*    Consult the Preface in the User's Manual for the full terms of
*    this agreement.
*
*/


/* LINTLIBRARY */

#include <stdio.h>
#include <signal.h>
#include "spkt.h"

/* \f   S-MINOR-SYNC.RESPONSE */

int     SMinSyncResponse (sd, ssn, data, cc, si)
int     sd;
long    ssn;
char   *data;
int     cc;
struct SSAPindication *si;
{
   SBV     smask;
   int     result;
   register struct ssapblk *sb;

   if (SERIAL_MIN > ssn || ssn > SERIAL_MAX)
       return ssaplose (si, SC_PARAMETER, NULLCP, "invalid serial number");
   missingP (si);

   smask = sigioblock ();

   ssapPsig (sb, sd);
   toomuchP (sb, data, cc, SN_SIZE, "minorsync");

   result = SMinSyncResponseAux (sb, ssn, data, cc, si);

   (void) sigiomask (smask);

   return result;
}

/* \f */

static int  SMinSyncResponseAux (sb, ssn, data, cc, si)
register struct ssapblk *sb;
long    ssn;
char   *data;
int     cc;
register struct SSAPindication *si;
{
   int     result;

   if (!(sb -> sb_requirements & SR_MINORSYNC))
       return ssaplose (si, SC_OPERATION, NULLCP,
               "minor synchronize service unavailable");
   if (!(sb -> sb_flags & SB_Vsc))
       return ssaplose (si, SC_OPERATION, NULLCP,
               "no minorsync in progress");
   if (ssn < sb -> sb_V_A)
       return ssaplose (si, SC_OPERATION, NULLCP,
               "bad choice for minor ssn, should be >= %ld", sb -> sb_V_A);

   if ((result = SWriteRequestAux (sb, SPDU_MIA, data, cc, 0, ssn, 0, NULLSD,
               NULLSD, NULLSR, si)) == NOTOK)
       freesblk (sb);
   else
       sb -> sb_V_A = ssn + 1;

   return result;
}