/* $Id$ * $URL$ * * iconv charset conversion plugin * * Copyright (C) 2006 Ernst Bachmann * Copyright (C) 2006 The LCD4Linux Team * * This file is part of LCD4Linux. * * LCD4Linux 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, or (at your option) * any later version. * * LCD4Linux is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ /* * exported functions: * * int plugin_init_iconv (void) * int plugin_exit_iconv (void) * */ #include "config.h" #include #include #include #include #include /* these should always be included */ #include "debug.h" #include "plugin.h" #ifdef WITH_DMALLOC #include #endif /* iconv function, convert charsets */ /* valid "to" and "from" charsets can be listed by running "iconv --list" from a shell */ /* utf16 & utf32 encodings won't work, as they contain null bytes, confusing strlen */ static void my_iconv(RESULT * result, RESULT * charset_from, RESULT * charset_to, RESULT * arg) { char *source; size_t source_left; char *dest; char *dest_pos; size_t dest_left; iconv_t cd; source = R2S(arg); source_left = strlen(source); /* use twice the memory needed in best case, but save lots of reallocs in worst case */ /* increase to 4 if most conversions are to utf32 (quite unlikely) */ /* also alloc a "safety byte" so we can always zero-terminate the string. */ dest_left = 2 * source_left; dest = malloc(dest_left + 1); dest_pos = dest; cd = iconv_open(R2S(charset_to), R2S(charset_from)); if (cd != (iconv_t) (-1)) { do { /* quite spammy: debug("plugin_iconv: calling iconv with %ld,[%s]/%ld,%ld", cd, source, source_left, dest_left); */ if (iconv(cd, &source, &source_left, &dest_pos, &dest_left) == (size_t) (-1)) { switch (errno) { case EILSEQ: /* illegal bytes in input sequence */ /* try to fix by skipping a byte */ info("plugin_iconv: illegal character in input string: %c", *source); source_left--; source++; break; case EINVAL: /* input string ends during a multibyte sequence */ /* try to fix by simply ignoring */ info("plugin_iconv: illegal character at end of input"); source_left = 0; break; case E2BIG: /* not enough bytes in outbuf. */ /* TODO: Realloc output buffer, probably doubling its size? */ /* for now, just bail out. For lcd4linux 99% of all conversions will go to ascii or latin1 anyways */ error ("plugin_iconv: out of memory in destination buffer. Seems like Ernst was too lazy, complain to him!"); source_left = 0; break; default: error("plugin_iconv: strange errno state (%d) occured", errno); source_left = 0; } } } while (source_left > 0); /* don't check for == 0, could be negative in EILSEQ case */ /* terminate the string, we're sure to have that byte left, see above */ *dest_pos = 0; dest_pos++; iconv_close(cd); } else { error("plugin_iconv: could not open conversion descriptor. Check if your charsets are supported!"); /* guaranteed to fit. */ strcpy(dest, source); } SetResult(&result, R_STRING, dest); free(dest); } /* plugin initialization */ int plugin_init_iconv(void) { AddFunction("iconv", 3, my_iconv); return 0; } void plugin_exit_iconv(void) { /* nothing to clean */ } n3' href='#n3'>3 4 5 6

# automatically generated from http://www.digitv.fi/sivu.asp?path=1;8224;9519
# T freq bw fec_hi fec_lo mod transmission-mode guard-interval hierarchy
T 514000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
T 666000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
T 682000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
T 570000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE