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Annotation of 43BSDReno/contrib/isode-beta/psap/ts2ps.c, revision 1.1.1.1

1.1       root        1: /* ts2ps.c - TSDU-backed abstraction for PStreams
                      2:                (really just a refinement of datagram-backed PStreams) */
                      3: 
                      4: #ifndef        lint
                      5: static char *rcsid = "$Header: /f/osi/psap/RCS/ts2ps.c,v 7.0 89/11/23 22:13:55 mrose Rel $";
                      6: #endif
                      7: 
                      8: /* 
                      9:  * $Header: /f/osi/psap/RCS/ts2ps.c,v 7.0 89/11/23 22:13:55 mrose Rel $
                     10:  *
                     11:  *
                     12:  * $Log:       ts2ps.c,v $
                     13:  * Revision 7.0  89/11/23  22:13:55  mrose
                     14:  * Release 6.0
                     15:  * 
                     16:  */
                     17: 
                     18: /*
                     19:  *                               NOTICE
                     20:  *
                     21:  *    Acquisition, use, and distribution of this module and related
                     22:  *    materials are subject to the restrictions of a license agreement.
                     23:  *    Consult the Preface in the User's Manual for the full terms of
                     24:  *    this agreement.
                     25:  *
                     26:  */
                     27: 
                     28: 
                     29: /* LINTLIBRARY */
                     30: 
                     31: #include <stdio.h>
                     32: #include "psap.h"
                     33: #include "tsap.h"
                     34: #include "tailor.h"
                     35: 
                     36: /*  */
                     37: 
                     38: int    ts_read (fd, q)
                     39: int    fd;
                     40: struct qbuf **q;
                     41: {
                     42:     register struct qbuf *qb;
                     43:     struct TSAPdata  txs;
                     44:     register struct TSAPdata *tx = &txs;
                     45:     struct TSAPdisconnect  tds;
                     46:     register struct TSAPdisconnect *td = &tds;
                     47: 
                     48:     if (TReadRequest (fd, tx, NOTOK, td) == NOTOK) {
                     49:        if (td -> td_reason == DR_NORMAL) {
                     50:            *q = NULL;
                     51:            return OK;
                     52:        }
                     53: 
                     54:        SLOG (psap_log, LLOG_EXCEPTIONS, NULLCP,
                     55:              (td -> td_cc > 0 ? "ts_read: [%s] %*.*s" : "ts_read: [%s]",
                     56:               TErrString (td -> td_reason), td -> td_cc, td -> td_cc,
                     57:                td -> td_data));
                     58: 
                     59:        return NOTOK;
                     60:     }
                     61: 
                     62:     qb = &tx -> tx_qbuf;
                     63:     if (qb -> qb_forw -> qb_forw != qb && qb_pullup (qb) == NOTOK) {
                     64:        SLOG (psap_log, LLOG_EXCEPTIONS, NULLCP,
                     65:              ("ts_read: qb_pullup fails"));
                     66:        TXFREE (tx);
                     67: 
                     68:        return NOTOK;
                     69:     }
                     70: 
                     71:     remque (qb = tx -> tx_qbuf.qb_forw);
                     72:     qb -> qb_forw = qb -> qb_back = qb;
                     73: 
                     74:     *q = qb;
                     75: 
                     76:     TXFREE (tx);
                     77: 
                     78:     return qb -> qb_len;
                     79: }
                     80: 
                     81: 
                     82: int    ts_write (fd, qb)
                     83: int    fd;
                     84: register struct qbuf *qb;
                     85: {
                     86:     struct TSAPdisconnect  tds;
                     87:     register struct TSAPdisconnect *td = &tds;
                     88:     
                     89:     if (TDataRequest (fd, qb -> qb_data, qb -> qb_len, td) == NOTOK) {
                     90:        SLOG (psap_log, LLOG_EXCEPTIONS, NULLCP,
                     91:              (td -> td_cc > 0 ? "ts_write: [%s] %*.*s" : "ts_write: [%s]",
                     92:               TErrString (td -> td_reason), td -> td_cc, td -> td_cc,
                     93:                td -> td_data));
                     94: 
                     95:        return NOTOK;
                     96:     }
                     97: 
                     98:     return qb -> qb_len;
                     99: }

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