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    Length: 1502 (0x5de)
    Types: TextFile
    Names: »pe_cmp.c«

└─⟦3d0c2be1b⟧ Bits:30001254 ISODE-5.0 Tape
    └─⟦eba4602b1⟧ »./isode-5.0.tar.Z« 
        └─⟦d3ac74d73⟧ 
            └─⟦this⟧ »isode-5.0/psap/pe_cmp.c« 

TextFile

/* pe_cmp.c - compare two presentation elements */

#ifndef	lint
static char *rcsid = "$Header: /f/osi/psap/RCS/pe_cmp.c,v 6.0 89/03/18 23:38:41 mrose Rel $";
#endif

/* 
 * $Header: /f/osi/psap/RCS/pe_cmp.c,v 6.0 89/03/18 23:38:41 mrose Rel $
 *
 *
 * $Log:	pe_cmp.c,v $
 * Revision 6.0  89/03/18  23:38:41  mrose
 * Release 5.0
 * 
 */

/*
 *				  NOTICE
 *
 *    Acquisition, use, and distribution of this module and related
 *    materials are subject to the restrictions of a license agreement.
 *    Consult the Preface in the User's Manual for the full terms of
 *    this agreement.
 *
 */


/* LINTLIBRARY */

#include <stdio.h>
#include "psap.h"

/* \f

 */

int	pe_cmp (p, q)
register PE	p,
		q;
{
    register int    i;

    if (p == NULLPE)
	return (q ? 1 : 0);
    if (q == NULLPE
	    || p -> pe_class != q -> pe_class
	    || p -> pe_form != q -> pe_form
	    || p -> pe_id != q -> pe_id)
	return 1;

/* XXX: perhaps compare pe_context ??? */

    switch (p -> pe_form) {
	case PE_FORM_ICONS:
	    if (p -> pe_ilen != q -> pe_ilen)
		return 1;
	    /* else fall */
	case PE_FORM_PRIM: 
	    if (i = p -> pe_len) {
		if (i != q -> pe_len || PEDcmp (p -> pe_prim, q -> pe_prim, i))
		    return 1;
	    }
	    else
		if (q -> pe_len)
		    return 1;
	    return 0;

	case PE_FORM_CONS: 
	    for (p = p -> pe_cons, q = q -> pe_cons;
		    p;
		    p = p -> pe_next, q = q -> pe_next)
		if (pe_cmp (p, q))
		    return 1;
	    return (q ? 1 : 0);

	default:		/* XXX */
	    return 1;
    }
}