56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
/****************************************************************
|
|
* *
|
|
* Copyright 2001, 2004 Sanchez Computer Associates, Inc. *
|
|
* *
|
|
* This source code contains the intellectual property *
|
|
* of its copyright holder(s), and is made available *
|
|
* under a license. If you do not know the terms of *
|
|
* the license, please stop and do not read further. *
|
|
* *
|
|
****************************************************************/
|
|
|
|
#include "mdef.h"
|
|
#include "gtm_string.h"
|
|
#include "rtnhdr.h"
|
|
#include "urx.h"
|
|
|
|
urx_rtnref *urx_addrtn(urx_rtnref *rp_start, urx_rtnref *rp)
|
|
{
|
|
urx_rtnref *rp0, *rp1;
|
|
unsigned char *rtn;
|
|
int rtnlen, c;
|
|
|
|
rtnlen = rp->len;
|
|
rtn = &rp->name[0];
|
|
assert(0 < rtnlen);
|
|
rp0 = rp_start;
|
|
rp1 = rp0->next;
|
|
/* Locate if rp exists in rtn chain anchored by rp_start. If it exists, return
|
|
that address after putting the addr reference chain on the end of the
|
|
existing chain. Note that routines are ordered on this chain alphabetically
|
|
within routine name size ... i.e. all sorted 1 character routines followed
|
|
by all sorted 2 character routines, etc.
|
|
*/
|
|
while (rp1 != 0)
|
|
{
|
|
c = rtnlen - rp1->len;
|
|
if (!c)
|
|
c = memcmp(rtn, &rp1->name[0], rtnlen);
|
|
if (c > 0)
|
|
{
|
|
rp0 = rp1;
|
|
rp1 = rp0->next;
|
|
} else
|
|
{
|
|
if (c == 0)
|
|
return rp1;
|
|
break;
|
|
}
|
|
}
|
|
assert(rp0->next == rp1);
|
|
rp->next = rp1;
|
|
rp0->next = rp;
|
|
assert(rp0->next != 0);
|
|
return rp0->next;
|
|
}
|