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    Length: 5642 (0x160a)
    Types: TextFile
    Names: »rdn.c«

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

TextFile

/* rdn.c - General Relative Distinguished Name utility routines */

#ifndef lint
static char *rcsid = "$Header: /f/osi/dsap/common/RCS/rdn.c,v 6.0 89/03/18 23:27:46 mrose Rel $";
#endif

/*
 * $Header: /f/osi/dsap/common/RCS/rdn.c,v 6.0 89/03/18 23:27:46 mrose Rel $
 *
 *
 * $Log:	rdn.c,v $
 * Revision 6.0  89/03/18  23:27:46  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 "quipu/util.h"
#include "quipu/name.h"
#include "quipu/dsp.h"
#include "quipu/ds_error.h"

extern LLog * log_dsap;

rdn_comp_free (rdn)
RDN rdn;
{
	AttrT_free (rdn->rdn_at);
	AttrV_free (rdn->rdn_av);
	free ((char *) rdn);
}

rdn_free (rdn)
RDN rdn;
{
register RDN eptr;
	for (eptr=rdn; eptr!=NULLRDN; eptr=eptr->rdn_next)
		rdn_comp_free (eptr);
}

RDN  rdn_comp_new (at,av)
AttributeType  at;
AttributeValue av;
{
register RDN ptr;
	ptr = rdn_comp_alloc ();
	rdn_comp_fill (ptr,at,av);
	ptr->rdn_next = NULLRDN;
	return (ptr);
}

rdn_decode (x)
RDN x;
{
register RDN eptr;
	for (eptr=x; eptr!=NULLRDN; eptr=eptr->rdn_next)
		AttrV_decode (eptr->rdn_at,eptr->rdn_av) ;
}

RDN rdn_merge (a,b)
RDN a,b;
{
register RDN aptr, bptr, result, trail;

	if ( a == NULLRDN )
		return (b);
	if ( b == NULLRDN )
		return (a);

	/* start sequence off, make sure 'a' is the first */
	switch (rdn_cmp_comp (a,b)) {
		case 0: /* equal */
			result = a;
			aptr = a->rdn_next;
			rdn_comp_free (b);
			bptr = b->rdn_next;
			break;
		case -1:
			result = b;
			aptr = a;
			bptr = b->rdn_next;
			break;
		case 1:
			result = a;
			aptr = a->rdn_next;
			bptr = b;
			break;
		}

	trail = result;
	while (  (aptr != NULLRDN) && (bptr != NULLRDN) ) {

	   switch (rdn_cmp_comp (aptr,bptr)) {
		case 0: /* equal */
			trail->rdn_next = aptr;
			trail = aptr;
			rdn_comp_free (bptr);
			aptr = aptr->rdn_next;
			bptr = bptr->rdn_next;
			break;
		case -1:
			trail->rdn_next = bptr;
			trail = bptr;
			bptr = bptr->rdn_next;
			break;
		case 1:
			trail->rdn_next = aptr;
			trail = aptr;
			aptr = aptr->rdn_next;
			break;
	    }
	}
	if (aptr == NULLRDN)
		trail->rdn_next = bptr;
	else
		trail->rdn_next = aptr;

	return (result);
}

RDN  rdn_comp_cpy (rdn)
RDN  rdn;
{
register RDN ptr;
	if (rdn==NULLRDN) {
		DLOG (log_dsap,LLOG_DEBUG,("copy of null rdn"));
		return (NULLRDN);
	}
	ptr = (RDN) smalloc (sizeof(rdncomp));
	ptr->rdn_at = AttrT_cpy (rdn->rdn_at);
	ptr->rdn_av = AttrV_cpy  (rdn->rdn_av);
	ptr->rdn_next = NULLRDN;

	return (ptr);
}

RDN  rdn_cpy (rdn)
RDN  rdn;
{
RDN start;
register RDN eptr;
register RDN ptr,ptr2;

	if (rdn == NULLRDN) {
		DLOG (log_dsap,LLOG_DEBUG,("rdn_cpy of null rdn"));
		return (NULLRDN);
	}
	start = rdn_comp_cpy (rdn);
	ptr2 = start;

	for (eptr=rdn->rdn_next; eptr!=NULLRDN; eptr=eptr->rdn_next) {
		ptr = rdn_comp_cpy (eptr);
		ptr2->rdn_next = ptr;
		ptr2 = ptr;
	}
	return (start);
}


rdn_cmp_comp (a,b)
RDN  a,b;
{
register int i,j;
struct DSError err;

	if ((i = AttrT_cmp (a->rdn_at,b->rdn_at)) != 0)
		return (i);

	j = AttrV_cmp (a->rdn_av,b->rdn_av,&err);

	if ( j == -2)
		ds_error_free (&err);

	return (j);

}

rdn_cmp (a,b)
register RDN  a,b;
{
register int i;
	for (; (a != NULLRDN) && (b != NULLRDN) ; a = a->rdn_next, b = b->rdn_next)
		if ( (i=rdn_cmp_comp (a,b)) != 0) {
			return (i);
		}

	if ( (a == NULLRDN) && (b == NULLRDN) )  {
		return 0;
	} else {
		return ( a  ?  1  : -1);
	}

}

rdn_comp_print (ps,rdn,format)
PS   ps;
RDN  rdn;
int  format;
{

	if (rdn!=NULLRDN) {
		AttrT_print (ps,rdn->rdn_at,format);
		ps_print (ps,"=");
		AttrV_print (ps,rdn->rdn_av,format);
	}
	return;
}

rdn_print (ps,rdn,format)
RDN  rdn;
PS   ps;
int  format;
{
register RDN eptr;

	if (rdn ==  NULLRDN) {
		if (format == READOUT)
			ps_print  (ps,"NULL");
		return;
	}

	rdn_comp_print (ps,rdn,format);

	if (rdn->rdn_next != NULLRDN)
		for (eptr=rdn->rdn_next; eptr!=NULLRDN; eptr=eptr->rdn_next) {
			switch (format) {
				case DIROUT:
				case EDBOUT:  ps_print (ps,"%"); break;
				case READOUT: ps_print (ps," % "); break;
			}
			rdn_comp_print (ps,eptr,format);
		}

}

RDN str2rdn_aux (str)
char * str;
{
AttributeType  at;
AttributeValue av;
char * ptr;
char * save, val;
char * TidyString();

	/* look for "type = value" */

	if (str == NULLCP) {
		parse_error ("NULL rdn component",NULLCP);
		return (NULLRDN);
	}

	if ((ptr=index(str,'=')) == 0) {
		parse_error ("Equals missing in RDN '%s'",str);
		return (NULLRDN);
	}

	save = ptr++;
	save--;
	if (! isspace (*save))
		save++;
	val = *save;
	*save = 0;

	if ((at = AttrT_new (TidyString(str))) == NULLAttrT) {
		parse_error ("Unknown attribute type in RDN '%s'",str);
		*save = val;
		return (NULLRDN);
	}

	if ((av = str_at2AttrV (ptr,at)) == NULLAttrV) {
		*save = val;
		AttrT_free (at);
		return (NULLRDN);
	}

	*save = val;
	return (rdn_comp_new (at,av));
}


RDN str2rdn (str)
char * str;
{
register char *ptr;
register char *save,val;
RDN rdn = NULLRDN, newrdn;

	/* look for "rdn % rdn % rdn" */

	if (str == NULLCP)
		return (NULLRDN);

	while ( (ptr = index (str,'%')) != 0) {
		save = ptr++;
		save--;
		if (! isspace (*save))
			save++;
		val = *save;
		*save = 0;
		if ((newrdn = str2rdn_aux (str)) == NULLRDN) {
			rdn_free (rdn);
			return (NULLRDN);
		}

		rdn = rdn_merge (rdn,newrdn);
		*save = val;
		str = ptr;
	}

	if ((newrdn = str2rdn_aux (str)) == NULLRDN) {
		rdn_free (rdn);
		return (NULLRDN);
	}

	return (rdn_merge (rdn,newrdn));
}