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120 lines
3.0 KiB
120 lines
3.0 KiB
4 years ago
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/*
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* $Id: appinfo.c,v 1.19 2006/11/22 22:52:25 adridg Exp $
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*
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* appinfo.c: Translate Pilot category info
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*
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* Copyright (c) 1996, 1997, Kenneth Albanowski
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Library General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library
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* General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "pi-macros.h"
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#include "pi-appinfo.h"
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/***********************************************************************
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*
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* Function: unpack_CategoryAppInfo
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*
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* Summary: Unpack the AppInfo block from record into the structure
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*
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* Parameters: CategoryAppInfo_t*, char* to record, record length
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*
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* Returns: Nothing
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*
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***********************************************************************/
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int
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unpack_CategoryAppInfo(CategoryAppInfo_t *ai, const unsigned char *record, size_t len)
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{
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int i,
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rec;
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if (len < 2 + 16 * 16 + 16 + 4)
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return 0;
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rec = get_short(record);
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for (i = 0; i < 16; i++) {
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if (rec & (1 << i))
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ai->renamed[i] = 1;
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else
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ai->renamed[i] = 0;
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}
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record += 2;
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for (i = 0; i < 16; i++) {
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memcpy(ai->name[i], record, 16);
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record += 16;
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}
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memcpy(ai->ID, record, 16);
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record += 16;
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ai->lastUniqueID = get_byte(record);
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record += 4;
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return 2 + 16 * 16 + 16 + 4;
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}
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/***********************************************************************
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*
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* Function: pack_CategoryAppInfo
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*
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* Summary: Pack the AppInfo structure
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*
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* Parameters: CategoryAppInfo_t*, char* to record, record length
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*
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* Returns: Nothing
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*
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***********************************************************************/
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int
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pack_CategoryAppInfo(const CategoryAppInfo_t *ai, unsigned char *record, size_t len)
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{
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int i,
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rec;
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unsigned char *start = record;
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if (!record) {
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return 2 + 16 * 16 + 16 + 4;
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}
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if (len < (2 + 16 * 16 + 16 + 4))
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return 0; /* not enough room */
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rec = 0;
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for (i = 0; i < 16; i++) {
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if (ai->renamed[i])
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rec |= (1 << i);
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}
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set_short(record, rec);
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record += 2;
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for (i = 0; i < 16; i++) {
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memcpy(record, ai->name[i], 16);
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record += 16;
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}
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memcpy(record, ai->ID, 16);
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record += 16;
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set_byte(record, ai->lastUniqueID);
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record++;
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set_byte(record, 0); /* gapfill */
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set_short(record + 1, 0); /* gapfill */
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record += 3;
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return (record - start);
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}
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/* vi: set ts=8 sw=4 sts=4 noexpandtab: cin */
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/* ex: set tabstop=4 expandtab: */
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/* Local Variables: */
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/* indent-tabs-mode: t */
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/* c-basic-offset: 8 */
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/* End: */
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