65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2004 Sanchez Computer Associates, Inc. *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#include "mdef.h"
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#include <stddef.h>
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#include "gtm_string.h"
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#include "rtnhdr.h" /* needed by urx.h */
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#include "urx.h"
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urx_rtnref *urx_putrtn (char *rtn, int rtnlen, urx_rtnref *anchor)
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{
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urx_rtnref *rp0, *rp1, *tmp;
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boolean_t found;
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int c;
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assert(anchor->len == 0);
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assert(0 < rtnlen);
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found = FALSE;
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rp0 = anchor;
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rp1 = rp0->next;
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/* Looks for given routine name on routine unresolved list. If it is not found,
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a new node is created and added to the chain. The address of the found or
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created node is returned. Note that routines are ordered on this chain alphabetically
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within routine name size ... i.e. all sorted 1 character routines followed
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by all sorted 2 character routines, etc.
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*/
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while (rp1 != 0)
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{ /* Find routine or insertion point */
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c = rtnlen - rp1->len;
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if (!c)
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c = memcmp(rtn, &rp1->name[0], rtnlen);
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if (c > 0)
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{
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rp0 = rp1;
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rp1 = rp0->next;
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} else
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{
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if (c == 0)
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found = TRUE;
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break;
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}
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}
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assert(rp0->next == rp1);
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if (!found)
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{
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tmp = (urx_rtnref *)malloc(offsetof(urx_rtnref, name[0]) + rtnlen);
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tmp->len = rtnlen;
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memcpy(&tmp->name[0], rtn, rtnlen);
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tmp->addr = NULL;
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tmp->lab = NULL;
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tmp->next = rp1;
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rp0->next = tmp;
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}
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assert(rp0->next != NULL);
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return rp0->next;
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}
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