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Annotation of 43BSDReno/contrib/isode-beta/psap/strb2bitstr.c, revision 1.1.1.1

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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