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Annotation of 43BSDReno/contrib/isode-beta/psap/prim2num.c, revision 1.1

1.1     ! root        1: /* prim2num.c - presentation element to integer */
        !             2: 
        !             3: #ifndef        lint
        !             4: static char *rcsid = "$Header: /f/osi/psap/RCS/prim2num.c,v 7.0 89/11/23 22:13:11 mrose Rel $";
        !             5: #endif
        !             6: 
        !             7: /* 
        !             8:  * $Header: /f/osi/psap/RCS/prim2num.c,v 7.0 89/11/23 22:13:11 mrose Rel $
        !             9:  *
        !            10:  *
        !            11:  * $Log:       prim2num.c,v $
        !            12:  * Revision 7.0  89/11/23  22:13:11  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: integer        prim2num (pe)
        !            36: register PE    pe;
        !            37: {
        !            38:     register integer    i;
        !            39:     register PElementData dp,
        !            40:                          ep;
        !            41: 
        !            42:     if (pe -> pe_form != PE_FORM_PRIM || pe -> pe_prim == NULLPED)
        !            43:        return pe_seterr (pe, PE_ERR_PRIM, NOTOK);
        !            44:     if (pe -> pe_len > sizeof (i))
        !            45:        return pe_seterr (pe, PE_ERR_OVER, NOTOK);
        !            46: 
        !            47:     pe -> pe_errno = PE_ERR_NONE;/* in case integer is NOTOK-valued */
        !            48:     i = (*(dp = pe -> pe_prim) & 0x80) ? (-1) : 0;
        !            49:     for (ep = dp + pe -> pe_len; dp < ep;)
        !            50:        i = (i << 8) | (*dp++ & 0xff);
        !            51: 
        !            52:     return i;
        !            53: }

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