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/*
* compiler/core/define.c - keeps a list of things that have been defined
* and provided means for checking if something has been
* defined
*
* MS 92
* Copyright (C) 1991, 1992 Michael Sample
* and the University of British Columbia
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* $Header: /usr/app/odstb/CVS/snacc/compiler/core/define.c,v 1.4 1997/10/10 13:43:15 wan Exp $
* $Log: define.c,v $
* Revision 1.4 1997/10/10 13:43:15 wan
* Corrected bug in generic table decoder wrt. indefinite length elements
* Corrected compiler access to freed memory (bug reported by Markku Savela)
* Broke asnwish.c into two pieces so that one can build ones on wish
* Added beredit tool (based on asnwish, allowes to edit BER messages)
*
* Revision 1.3 1995/07/25 19:41:21 rj
* changed `_' to `-' in file names.
*
* Revision 1.2 1994/09/01 00:27:38 rj
* snacc_config.h removed.
*
* Revision 1.1 1994/08/28 09:48:58 rj
* first check-in. for a list of changes to the snacc-1.1 distribution please refer to the ChangeLog.
*
*/
#include "asn-incl.h"
#include "mem.h"
#include "define.h"
/* for CompareOids from snacc_util.c*/
int CompareOids PROTO ((OID *oid1, OID *oid2));
/* cmp routine for a null terminated string object type */
int
StrObjCmp PARAMS ((s1, s2),
void *s1 _AND_
void *s2)
{
if (strcmp ((char*)s1, (char*) s2) == 0)
return TRUE;
else
return FALSE;
}
/* cmp routine for a integer object type */
int
IntObjCmp PARAMS ((s1, s2),
void *s1 _AND_
void *s2)
{
if (*((int*) s1) == *((int*) s2))
return TRUE;
else
return FALSE;
}
/* cmp routine for a OID object type */
int
OidObjCmp PARAMS ((o1, o2),
void *o1 _AND_
void *o2)
{
return CompareOids ((OID*)o1, (OID*)o2);
}
/* special cmp routine - compares the pointers themselves */
int
ObjPtrCmp PARAMS ((s1, s2),
void *s1 _AND_
void *s2)
{
if (s1 == s2)
return TRUE;
else
return FALSE;
}
DefinedObj*
NewObjList()
{
return NULL;
}
/*
* puts the given object into the give object list
* does not check for duplicates - you should do that
* before calling this - if you care.
*/
void
DefineObj PARAMS ((objListHndl, obj),
DefinedObj **objListHndl _AND_
void *obj)
{
DefinedObj *new;
new = MT (DefinedObj);
new->obj = obj;
/* insert new one at head */
new->next = *objListHndl;
*objListHndl = new;
} /* DefineObj */
/*
* removes the first identical object from the list
* - if you are allowing duplicates use another routine.
* this only removes the first for efficiency reasons - all
* current usage of the DefineObj stuff does not allow duplicates.
*/
void
UndefineObj PARAMS ((objListHndl, obj, cmpRoutine),
DefinedObj **objListHndl _AND_
void *obj _AND_
CmpObjsRoutine cmpRoutine)
{
DefinedObj *objListPtr;
DefinedObj **prevHndl;
objListPtr = *objListHndl;
prevHndl = objListHndl;
for ( ; objListPtr != NULL; objListPtr = *prevHndl)
{
if (cmpRoutine (objListPtr->obj, obj))
{
/* found object, now remove it */
*prevHndl = objListPtr->next;
Free (objListPtr);
}
else
prevHndl = &objListPtr->next;
}
} /* UndefineObj */
/*
* given an object list, an object and an object comparison routine,
* ObjIsDefined returns non-zero if the given object is already in
* the object list. The comparison routine should take two objects and
* return non-zero if the objects are equivalent
*/
int
ObjIsDefined PARAMS ((objListPtr, obj, cmpRoutine),
DefinedObj *objListPtr _AND_
void *obj _AND_
CmpObjsRoutine cmpRoutine)
{
for ( ; objListPtr != NULL; objListPtr = objListPtr->next)
{
if (cmpRoutine (objListPtr->obj, obj))
return TRUE;
}
return FALSE;
} /* ObjIsDefined */
/*
* Frees the list holding the defined objects.
* Does not free the objects.
*/
void
FreeDefinedObjs PARAMS ((objListHndl),
DefinedObj **objListHndl)
{
DefinedObj *dO;
DefinedObj *tmpDO;
for (dO = *objListHndl; dO != NULL; )
{
tmpDO = dO->next;
Free (dO);
dO = tmpDO;
}
*objListHndl = NULL;
} /* FreeDefinedObjs */
/*
* Frees the list holding the defined objects.
* Does free the objects.
*/
void
FreeDefinedObjsAndContent PARAMS ((objListHndl),
DefinedObj **objListHndl)
{
DefinedObj *dO;
DefinedObj *tmpDO;
for (dO = *objListHndl; dO != NULL; )
{
tmpDO = dO->next;
Free (dO->obj);
Free (dO);
dO = tmpDO;
}
*objListHndl = NULL;
} /* FreeDefinedObjs */
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