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Annotation of 43BSDReno/contrib/isode-beta/psap/qb_pullup.c, revision 1.1

1.1     ! root        1: /* qb_pullup.c - "pullup" a list of qbufs */
        !             2: 
        !             3: #ifndef        lint
        !             4: static char *rcsid = "$Header: /f/osi/psap/RCS/qb_pullup.c,v 7.0 89/11/23 22:13:31 mrose Rel $";
        !             5: #endif
        !             6: 
        !             7: /* 
        !             8:  * $Header: /f/osi/psap/RCS/qb_pullup.c,v 7.0 89/11/23 22:13:31 mrose Rel $
        !             9:  *
        !            10:  *
        !            11:  * $Log:       qb_pullup.c,v $
        !            12:  * Revision 7.0  89/11/23  22:13:31  mrose
        !            13:  * Release 6.0
        !            14:  * 
        !            15:  */
        !            16: 
        !            17: /*
        !            18:  *                               NOTICE
        !            19:  *
        !            20:  *    Acquisition, use, and distribution of this module and related
        !            21:  *    materials are subject to the restrictions of a license agreement.
        !            22:  *    Consult the Preface in the User's Manual for the full terms of
        !            23:  *    this agreement.
        !            24:  *
        !            25:  */
        !            26: 
        !            27: 
        !            28: /* LINTLIBRARY */
        !            29: 
        !            30: #include <stdio.h>
        !            31: #include "psap.h"
        !            32: 
        !            33: /*  */
        !            34: 
        !            35: int    qb_pullup (qb)
        !            36: register struct qbuf *qb;
        !            37: {
        !            38:     register int    len;
        !            39:     register char  *d;
        !            40:     register struct qbuf  *p,
        !            41:                          *qp,
        !            42:                          *qpp;
        !            43: 
        !            44:     len = 0;
        !            45: #ifdef notdef          /* want null-termination... */
        !            46:     if ((p = qb -> qb_forw) -> qb_forw == qb)
        !            47:        return OK;
        !            48: #endif
        !            49:     for (p = qb -> qb_forw; p != qb; p = p -> qb_forw)
        !            50:        len += p -> qb_len;
        !            51: 
        !            52:     if ((p = (struct qbuf *) malloc ((unsigned) (sizeof *p + len + 1)))
        !            53:            == NULL)
        !            54:        return NOTOK;
        !            55:     d = p -> qb_data = p -> qb_base;
        !            56:     p -> qb_len = len;
        !            57: 
        !            58:     for (qp = qb -> qb_forw; qp != qb; qp = qpp) {
        !            59:        qpp = qp -> qb_forw;
        !            60: 
        !            61:        remque (qp);
        !            62: 
        !            63:        bcopy (qp -> qb_data, d, qp -> qb_len);
        !            64:        d += qp -> qb_len;
        !            65: 
        !            66:        free ((char *) qp);
        !            67:     }
        !            68:     *d = NULL;
        !            69: 
        !            70:     insque (p, qb);
        !            71: 
        !            72:     return OK;
        !            73: }

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