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

1.1       root        1: /* pe_cmp.c - compare two presentation elements */
                      2: 
                      3: #ifndef        lint
                      4: static char *rcsid = "$Header: /f/osi/psap/RCS/pe_cmp.c,v 7.0 89/11/23 22:13:01 mrose Rel $";
                      5: #endif
                      6: 
                      7: /* 
                      8:  * $Header: /f/osi/psap/RCS/pe_cmp.c,v 7.0 89/11/23 22:13:01 mrose Rel $
                      9:  *
                     10:  *
                     11:  * $Log:       pe_cmp.c,v $
                     12:  * Revision 7.0  89/11/23  22:13:01  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    pe_cmp (p, q)
                     36: register PE    p,
                     37:                q;
                     38: {
                     39:     register int    i;
                     40: 
                     41:     if (p == NULLPE)
                     42:        return (q ? 1 : 0);
                     43:     if (q == NULLPE
                     44:            || p -> pe_class != q -> pe_class
                     45:            || p -> pe_form != q -> pe_form
                     46:            || p -> pe_id != q -> pe_id)
                     47:        return 1;
                     48: 
                     49: /* XXX: perhaps compare pe_context ??? */
                     50: 
                     51:     switch (p -> pe_form) {
                     52:        case PE_FORM_ICONS:
                     53:            if (p -> pe_ilen != q -> pe_ilen)
                     54:                return 1;
                     55:            /* else fall */
                     56:        case PE_FORM_PRIM: 
                     57:            if (i = p -> pe_len) {
                     58:                if (i != q -> pe_len || PEDcmp (p -> pe_prim, q -> pe_prim, i))
                     59:                    return 1;
                     60:            }
                     61:            else
                     62:                if (q -> pe_len)
                     63:                    return 1;
                     64:            return 0;
                     65: 
                     66:        case PE_FORM_CONS: 
                     67:            for (p = p -> pe_cons, q = q -> pe_cons;
                     68:                    p;
                     69:                    p = p -> pe_next, q = q -> pe_next)
                     70:                if (pe_cmp (p, q))
                     71:                    return 1;
                     72:            return (q ? 1 : 0);
                     73: 
                     74:        default:                /* XXX */
                     75:            return 1;
                     76:     }
                     77: }

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