110 lines
3.2 KiB
C
110 lines
3.2 KiB
C
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/* Copyright (C) 2000-2002, 2004-2005 Free Software Foundation, Inc.
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This file is part of the GNU LIBICONV Library.
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The GNU LIBICONV Library is free software; you can redistribute it
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and/or modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either version 2.1
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of the License, or (at your option) any later version.
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The GNU LIBICONV Library is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU LIBICONV Library; see the file COPYING.LIB.
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If not, see <https://www.gnu.org/licenses/>. */
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/* Create a table from Unicode to CHARSET. */
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#include "config.h"
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#include <stddef.h>
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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 <iconv.h>
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#include <errno.h>
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#include "binary-io.h"
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int main (int argc, char* argv[])
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{
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const char* charset;
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iconv_t cd;
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int bmp_only;
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if (argc != 2) {
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fprintf(stderr,"Usage: table-to charset\n");
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exit(1);
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}
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charset = argv[1];
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#if O_BINARY
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SET_BINARY(fileno(stdout));
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#endif
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cd = iconv_open(charset,"UCS-4-INTERNAL");
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if (cd == (iconv_t)(-1)) {
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perror("iconv_open");
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exit(1);
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}
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/* When testing UTF-8, stop at 0x10000, otherwise the output file gets too
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big. */
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bmp_only = (strcmp(charset,"UTF-8") == 0);
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{
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unsigned int i;
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unsigned char buf[10];
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for (i = 0; i < (bmp_only ? 0x10000 : 0x110000); i++) {
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unsigned int in = i;
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const char* inbuf = (const char*) ∈
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size_t inbytesleft = sizeof(unsigned int);
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char* outbuf = (char*)buf;
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size_t outbytesleft = sizeof(buf);
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size_t result;
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size_t result2 = 0;
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iconv(cd,NULL,NULL,NULL,NULL);
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result = iconv(cd,(ICONV_CONST char**)&inbuf,&inbytesleft,&outbuf,&outbytesleft);
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if (result != (size_t)(-1))
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result2 = iconv(cd,NULL,NULL,&outbuf,&outbytesleft);
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if (result == (size_t)(-1) || result2 == (size_t)(-1)) {
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if (errno != EILSEQ) {
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int saved_errno = errno;
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fprintf(stderr,"0x%02X: iconv error: ",i);
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errno = saved_errno;
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perror("");
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exit(1);
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}
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} else if (result == 0) /* ignore conversions with transliteration */ {
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if (inbytesleft == 0 && outbytesleft < sizeof(buf)) {
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unsigned int jmax = sizeof(buf) - outbytesleft;
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unsigned int j;
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printf("0x");
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for (j = 0; j < jmax; j++)
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printf("%02X",buf[j]);
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printf("\t0x%04X\n",i);
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} else if (inbytesleft == 0 && i >= 0xe0000 && i < 0xe0080) {
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/* Language tags may silently be dropped. */
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} else {
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fprintf(stderr,"0x%02X: inbytes = %ld, outbytes = %ld\n",i,(long)(sizeof(unsigned int)-inbytesleft),(long)(sizeof(buf)-outbytesleft));
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exit(1);
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}
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}
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}
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}
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if (iconv_close(cd) < 0) {
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perror("iconv_close");
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exit(1);
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}
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if (ferror(stdin) || ferror(stdout) || fclose(stdout)) {
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fprintf(stderr,"I/O error\n");
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exit(1);
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}
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exit(0);
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}
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