64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
/* NG-SPICE -- An electrical circuit simulator
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*
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* Copyright (c) 1990 University of California
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* Copyright (c) 2000 Arno W. Peters
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*
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* Permission to use, copy, modify, and distribute this software and
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* its documentation without fee, and without a written agreement is
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* hereby granted, provided that the above copyright notice, this
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* paragraph and the following three paragraphs appear in all copies.
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*
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* This software program and documentation are copyrighted by their
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* authors. The software program and documentation are supplied "as
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* is", without any accompanying services from the authors. The
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* authors do not warrant that the operation of the program will be
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* uninterrupted or error-free. The end-user understands that the
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* program was developed for research purposes and is advised not to
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* rely exclusively on the program for any reason.
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*
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE TO ANY PARTY FOR DIRECT,
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* INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
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* LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS
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* DOCUMENTATION, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE. THE AUTHORS SPECIFICALLY DISCLAIMS ANY
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
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* SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE AUTHORS
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* HAVE NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
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* ENHANCEMENTS, OR MODIFICATIONS. */
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#include <config.h>
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#include <devdefs.h>
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#include <ifsim.h>
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#include "dev.h"
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/* Returns the first device in the list, or NULL if the list is empty */
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SPICEdev **
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first_device(void)
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{
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return devices();
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}
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/* Returns the next device on the list, or NULL if no more devices
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left. */
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SPICEdev **
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next_device(SPICEdev **current)
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{
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int index;
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SPICEdev **ret;
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index = current - devices();
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if (index < num_devices()) {
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ret = current + 1;
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} else {
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ret = NULL;
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}
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return ret;
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}
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