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243 lines
6.5 KiB
C++
243 lines
6.5 KiB
C++
//
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// $Id: SIutils.cpp,v 1.15 2005/11/03 21:08:52 mogway Exp $
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//
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// utility functions for the SI-classes (dbox-II-project)
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//
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// Homepage: http://dbox2.elxsi.de
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//
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// Copyright (C) 2001 fnbrd (fnbrd@gmx.de)
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Log: SIutils.cpp,v $
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// Revision 1.15 2005/11/03 21:08:52 mogway
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// sectionsd update by Houdini
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//
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// Changes:
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// - EIT und SDT DMX buffer verändert
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// -> keine(weniger) POLLER, kostet Speicher beim EITDMX, spart Speicher beim SDTDMX
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//
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// - vor dem Parsen der Sections werden die Buffer nicht mehr (unnötig) ein zweites mal allokiert und umkopiert -> mehr Performance, weniger Speicherfragmentierung
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//
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// - unnötige/unbenutze Funktionen auskommentiert -> das gestrippte sectionsd binary wird 23kB kleiner, Test-/Beispielprogramme wie sdt, epg, nit, ... können dann nicht mehr kompiliert werden.
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//
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// Revision 1.14 2003/03/03 13:38:33 obi
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// - cleaned up changeUTCtoCtime a bit
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// - finish pthreads using pthread_exit(NULL) instead of return 0
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// - use settimeofday() instead of stime()
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//
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// Revision 1.13 2002/11/03 22:26:54 thegoodguy
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// Use more frequently types defined in zapittypes.h(not complete), fix some warnings, some code cleanup
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//
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// Revision 1.12 2001/07/17 14:15:52 fnbrd
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// Kleine Aenderung damit auch static geht.
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//
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// Revision 1.11 2001/07/14 16:38:46 fnbrd
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// Mit workaround fuer defektes mktime der glibc
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//
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// Revision 1.10 2001/07/12 22:55:51 fnbrd
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// Fehler behoben
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//
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// Revision 1.9 2001/07/12 22:51:25 fnbrd
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// Time-Thread im sectionsd (noch disabled, da prob mit mktime)
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//
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// Revision 1.8 2001/07/06 11:09:56 fnbrd
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// Noch ne Kleinigkeit gefixt.
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//
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// Revision 1.7 2001/07/06 09:46:01 fnbrd
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// Kleiner Fehler behoben
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//
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// Revision 1.6 2001/07/06 09:27:40 fnbrd
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// Kleine Anpassung
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//
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// Revision 1.5 2001/06/10 14:55:51 fnbrd
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// Kleiner Aenderungen und Ergaenzungen (epgMini).
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//
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// Revision 1.4 2001/05/19 22:46:50 fnbrd
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// Jetzt wellformed xml.
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//
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// Revision 1.3 2001/05/18 13:11:46 fnbrd
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// Fast komplett, fehlt nur noch die Auswertung der time-shifted events
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// (Startzeit und Dauer der Cinedoms).
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//
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// Revision 1.2 2001/05/17 01:53:35 fnbrd
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// Jetzt mit lokaler Zeit.
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//
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// Revision 1.1 2001/05/16 15:23:47 fnbrd
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// Alles neu macht der Mai.
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//
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//
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#include <stdio.h>
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#include <time.h>
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#include <string.h>
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#include "SIutils.hpp"
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// Thanks to kwon
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time_t changeUTCtoCtime(const unsigned char *buffer, int local_time)
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{
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int year, month, day, y_, m_, k, hour, minutes, seconds, mjd;
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if (!memcmp(buffer, "\xff\xff\xff\xff\xff", 5))
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return 0; // keine Uhrzeit
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mjd = (buffer[0] << 8) | buffer[1];
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hour = buffer[2];
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minutes = buffer[3];
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seconds = buffer[4];
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y_ = (int) ((mjd - 15078.2) / 365.25);
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m_ = (int) ((mjd - 14956.1 - (int) (y_ * 365.25)) / 30.6001);
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day = mjd - 14956 - (int) (y_ * 365.25) - (int) (m_ * 30.60001);
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k = !!((m_ == 14) || (m_ == 15));
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year = y_ + k + 1900;
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month = m_ - 1 - k * 12;
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struct tm time;
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memset(&time, 0, sizeof(struct tm));
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time.tm_mday = day;
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time.tm_mon = month - 1;
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time.tm_year = year - 1900;
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time.tm_hour = (hour >> 4) * 10 + (hour & 0x0f);
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time.tm_min = (minutes >> 4) * 10 + (minutes & 0x0f);
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time.tm_sec = (seconds >> 4) * 10 + (seconds & 0x0f);
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#if 0
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printf ("Startzeit: GMT: %.2d.%.2d.%.4d %.2x:%.2x:%.2x\n",
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day, month, year, hour, minutes, seconds);
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printf ("Startzeit: GMT: %.2d.%.2d.%.4d %.2d:%.2d:%.2d\n",
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time.tm_mday, time.tm_mon + 1, time.tm_year + 1900,
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time.tm_hour, time.tm_min, time.tm_sec);
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#endif
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return mktime(&time) + (local_time ? -timezone : 0);
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}
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time_t parseDVBtime(uint16_t mjd, uint32_t bcd)
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{
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int year, month, day, y_, m_, k, hour, minutes, seconds;
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y_ = (int) ((mjd - 15078.2) / 365.25);
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m_ = (int) ((mjd - 14956.1 - (int) (y_ * 365.25)) / 30.6001);
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day = mjd - 14956 - (int) (y_ * 365.25) - (int) (m_ * 30.60001);
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hour = (bcd >> 16) & 0xFF;
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minutes = (bcd >> 8) & 0xFF;
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seconds = bcd & 0xFF;
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k = !!((m_ == 14) || (m_ == 15));
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year = y_ + k + 1900;
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month = m_ - 1 - k * 12;
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struct tm time;
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memset(&time, 0, sizeof(struct tm));
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time.tm_mday = day;
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time.tm_mon = month - 1;
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time.tm_year = year - 1900;
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time.tm_hour = (hour >> 4) * 10 + (hour & 0x0f);
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time.tm_min = (minutes >> 4) * 10 + (minutes & 0x0f);
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time.tm_sec = (seconds >> 4) * 10 + (seconds & 0x0f);
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return mktime(&time) - timezone;
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}
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// Thanks to tmbinc
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int saveStringToXMLfile(FILE *out, const char *c, int /*withControlCodes*/)
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{
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if(!c)
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return 1;
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// Die Umlaute sind ISO-8859-9 [5]
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/*
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char buf[6000];
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int inlen=strlen(c);
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int outlen=sizeof(buf);
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// UTF8Toisolat1((unsigned char *)buf, &outlen, (const unsigned char *)c, &inlen);
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isolat1ToUTF8((unsigned char *)buf, &outlen, (const unsigned char *)c, &inlen);
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buf[outlen]=0;
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c=buf;
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*/
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for(; *c; c++) {
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switch ((unsigned char)*c) {
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case '<':
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fprintf(out, "<");
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break;
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case '>':
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fprintf(out, ">");
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break;
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case '&':
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fprintf(out, "&");
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break;
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case '\"':
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fprintf(out, """);
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break;
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case '\'':
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fprintf(out, "'");
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break;
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#if 0
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case 0x81:
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case 0x82:
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break;
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case 0x86:
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if(withControlCodes)
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fprintf(out, "<b>");
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break;
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case 0x87:
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if(withControlCodes)
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fprintf(out, "</b>");
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break;
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case 0x8a:
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if(withControlCodes)
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fprintf(out, "<br/>");
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break;
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default:
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if (*c<32)
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break;
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if ((*c>=32) && (((unsigned char)*c)<128))
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fprintf(out, "%c", *c);
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else
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fprintf(out, "&#%d;", *c);
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#else
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default:
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if ((unsigned char)*c<32)
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break;
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fprintf(out, "%c", *c);
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#endif
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} // case
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} // for
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return 0;
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}
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// Entfernt die ControlCodes aus dem String (-> String wird evtl. kuerzer)
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void removeControlCodes(char *string)
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{
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if(!string)
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return;
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for(; *string; )
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if (!((*string>=32) && (((unsigned char)*string)<128)))
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memmove(string, string+1, strlen(string+1)+1);
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else
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string++;
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return ;
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}
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