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Annotation of 43BSDReno/contrib/isode-beta/psap/strb2bitstr.c, revision 1.1

1.1     ! root        1: /* strb2bitstr.c - string of bits to bit string */
        !             2: 
        !             3: #ifndef        lint
        !             4: static char *rcsid = "$Header: /f/osi/psap/RCS/strb2bitstr.c,v 7.0 89/11/23 22:13:50 mrose Rel $";
        !             5: #endif
        !             6: 
        !             7: /* 
        !             8:  * $Header: /f/osi/psap/RCS/strb2bitstr.c,v 7.0 89/11/23 22:13:50 mrose Rel $
        !             9:  *
        !            10:  *
        !            11:  * $Log:       strb2bitstr.c,v $
        !            12:  * Revision 7.0  89/11/23  22:13:50  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: PE     strb2bitstr (cp, len, class, id)
        !            36: register char  *cp;
        !            37: register int     len;
        !            38: PElementClass class;
        !            39: PElementID id;
        !            40: {
        !            41:     register int    i,
        !            42:                    j,
        !            43:                     bit,
        !            44:                    mask;
        !            45:     register PE            p;
        !            46: 
        !            47:     if ((p = pe_alloc (class, PE_FORM_PRIM, id)) == NULLPE)
        !            48:        return NULLPE;
        !            49: 
        !            50:     p = prim2bit (p);
        !            51:     if (len > 0 && bit_off (p, len - 1) == NOTOK) {
        !            52: no_mem: ;
        !            53:         pe_free (p);
        !            54:         return NULLPE;
        !            55:     }
        !            56: 
        !            57:     for (bit = (*cp & 0xff), i = 0, mask = 1 << (j = 7); i < len; i++) {
        !            58:        if ((bit & mask) && bit_on (p, i) == NOTOK)
        !            59:            goto no_mem;
        !            60:        if (j-- == 0)
        !            61:            bit = *++cp & 0xff, mask = 1 << (j = 7);
        !            62:        else
        !            63:            mask >>= 1;
        !            64:     }
        !            65: 
        !            66:     return p;
        !            67: }

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