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181 lines
4.2 KiB
181 lines
4.2 KiB
/*
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* $Id: hinote.c,v 1.22 2006/10/12 14:21:22 desrod Exp $
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*
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* hinote.c: Translate Hi-Note data formats
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*
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* Copyright 1997 Bill Goodman
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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-hinote.h"
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/***********************************************************************
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*
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* Function: free_HiNoteNote
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*
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* Summary: frees HiNoteNote_t members
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*
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* Parameters: HiNoteNote_t*
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*
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* Returns: void
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*
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***********************************************************************/
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void
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free_HiNoteNote(HiNoteNote_t *hinote)
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{
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if (hinote->text != NULL) {
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free(hinote->text);
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hinote->text = NULL;
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}
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}
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/***********************************************************************
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*
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* Function: unpack_HiNoteNote
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*
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* Summary: Unpack a HiNote record
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*
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* Parameters: HiNoteNote_t*, char* to buffer, buffer length
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*
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* Returns: effective buffer length
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*
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***********************************************************************/
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int
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unpack_HiNoteNote(HiNoteNote_t *hinote, unsigned char *buffer, int len)
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{
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if (len < 3)
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return 0;
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hinote->flags = buffer[0];
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hinote->level = buffer[1];
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hinote->text = strdup((char *) &buffer[2]);
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return strlen((char *) &buffer[2]) + 3;
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}
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/***********************************************************************
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*
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* Function: pack_HiNoteNote
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*
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* Summary: Pack a HiNote record
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*
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* Parameters: HiNoteNote_t*
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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_HiNoteNote(HiNoteNote_t *hinote, unsigned char *buffer, int len)
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{
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int destlen;
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destlen = 3;
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if (hinote->text)
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destlen += strlen(hinote->text);
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if (!buffer)
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return destlen;
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if (len < destlen)
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return 0;
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buffer[0] = hinote->flags;
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buffer[1] = hinote->level;
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if (hinote->text)
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strcpy((char *) &buffer[2], hinote->text);
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else {
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buffer[2] = 0;
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}
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return destlen;
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}
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/***********************************************************************
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*
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* Function: unpack_HiNoteAppInfo
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*
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* Summary: Unpack the HiNote AppInfo block
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*
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* Parameters: HiNoteAppInfo_t*, char* to record, record length
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*
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* Returns: effective buffer length
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*
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***********************************************************************/
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int
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unpack_HiNoteAppInfo(HiNoteAppInfo_t *appinfo, unsigned char *record, size_t len)
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{
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int i,
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idx;
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unsigned char *start;
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start = record;
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i = unpack_CategoryAppInfo(&appinfo->category, record, len);
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if (!i)
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return i;
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record += i;
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len -= i;
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if (len < 48)
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return 0;
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for (idx = 0; i < 48; i++)
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appinfo->reserved[i] = *record++;
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return (record - start);
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}
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/***********************************************************************
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*
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* Function: pack_HiNoteAppInfo
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*
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* Summary: Pack the HiNote AppInfo block
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*
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* Parameters: HiNoteAppInfo_t*, char* record, length of record
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*
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* Returns: effective record length
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*
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***********************************************************************/
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int
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pack_HiNoteAppInfo(HiNoteAppInfo_t *appinfo, unsigned char *record, size_t len)
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{
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int i,
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idx;
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unsigned char *start = record;
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i = pack_CategoryAppInfo(&appinfo->category, record, len);
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if (i == 0) /* category pack failed */
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return 0;
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if (!record)
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return i + 48;
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record += i;
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len -= i;
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if (len < 48)
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return (record - start);
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for (idx = 0; i < 48; i++)
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*record++ = appinfo->reserved[i];
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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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