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    Length: 1523 (0x5f3)
    Types: TextFile
    Names: »pe_cpy.c«

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

TextFile

/* pe_cpy.c - copy a presentation element */

#ifndef	lint
static char *rcsid = "$Header: /f/osi/psap/RCS/pe_cpy.c,v 6.0 89/03/18 23:38:42 mrose Rel $";
#endif

/* 
 * $Header: /f/osi/psap/RCS/pe_cpy.c,v 6.0 89/03/18 23:38:42 mrose Rel $
 *
 *
 * $Log:	pe_cpy.c,v $
 * Revision 6.0  89/03/18  23:38:42  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

 */

PE	pe_cpy (pe)
register PE	pe;
{
    register PE	    p,
		   *q,
		    r;

    if ((p = pe_alloc (pe -> pe_class, pe -> pe_form, pe -> pe_id)) == NULLPE)
	return NULLPE;

    p -> pe_context = pe -> pe_context;

    p -> pe_len = pe -> pe_len;
    switch (p -> pe_form) {
	case PE_FORM_ICONS:
	    p -> pe_ilen = pe -> pe_ilen;
	    /* and fall */
	case PE_FORM_PRIM: 
	    if (pe -> pe_prim == NULLPED)
		break;
	    if ((p -> pe_prim = PEDalloc (p -> pe_len)) == NULLPED)
		goto you_lose;
	    PEDcpy (pe -> pe_prim, p -> pe_prim, p -> pe_len);
	    break;

	case PE_FORM_CONS: 
	    for (q = &p -> pe_cons, r = pe -> pe_cons;
		    r;
		    q = &((*q) -> pe_next), r = r -> pe_next)
		if ((*q = pe_cpy (r)) == NULLPE)
		    goto you_lose;
	    break;
    }

    p -> pe_nbits = pe -> pe_nbits;

    return p;

you_lose: ;
    pe_free (p);
    return NULLPE;
}