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/* Copyright (C) 2000-2002, 2004-2005 Free Software Foundation, Inc.
This file is part of the GNU LIBICONV Library.
The GNU LIBICONV Library is free software; you can redistribute it
and/or modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
The GNU LIBICONV Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU LIBICONV Library; see the file COPYING.LIB.
If not, write to the Free Software Foundation, Inc., 51 Franklin Street,
Fifth Floor, Boston, MA 02110-1301, USA. */
/* Create a table from Unicode to CHARSET. */
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <iconv-internal/iconv.h>
#ifdef __riscos__
#define ALIASES_FILE "Files.Aliases"
#else
#define ALIASES_FILE "Files/Aliases"
#endif
int main (int argc, char* argv[])
{
const char* charset;
iconv_t cd;
int bmp_only;
const char *ucpath;
int alen;
char aliases[4096];
if (argc != 2) {
fprintf(stderr,"Usage: table-to charset\n");
exit(1);
}
charset = argv[1];
/* ensure the !Unicode resource exists */
#ifdef __riscos__
ucpath = "Unicode:");
#else
ucpath = getenv("UNICODE_DIR");
#endif
if (ucpath == NULL) {
fprintf(stderr, "Unicode resource not found\n");
exit(1);
}
strncpy(aliases, ucpath, sizeof(aliases));
alen = strlen(ucpath);
#ifndef __riscos__
if (aliases[alen - 1] != '/') {
strncat(aliases, "/", sizeof(aliases) - alen - 1);
alen += 1;
}
#endif
strncat(aliases, ALIASES_FILE, sizeof(aliases) - alen - 1);
aliases[sizeof(aliases) - 1] = '\0';
if (iconv_initialise(aliases) == 0) {
fprintf(stderr, "Failed initialising iconv library\n");
exit(1);
}
cd = iconv_open(charset,"UCS-4-INTERNAL");
if (cd == (iconv_t)(-1)) {
perror("iconv_open");
exit(1);
}
/* When testing UTF-8, stop at 0x10000, otherwise the output file gets too
big. */
bmp_only = (strcmp(charset,"UTF-8") == 0);
{
unsigned int i;
unsigned char buf[10];
for (i = 0; i < (bmp_only ? 0x10000 : 0x110000); i++) {
unsigned int in = i;
const char* inbuf = (const char*) ∈
size_t inbytesleft = sizeof(unsigned int);
char* outbuf = (char*)buf;
size_t outbytesleft = sizeof(buf);
size_t result;
size_t result2 = 0;
iconv(cd,NULL,NULL,NULL,NULL);
result = iconv(cd,(char**)&inbuf,&inbytesleft,&outbuf,&outbytesleft);
if (result != (size_t)(-1))
result2 = iconv(cd,NULL,NULL,&outbuf,&outbytesleft);
if (result == (size_t)(-1) || result2 == (size_t)(-1)) {
if (errno != EILSEQ && !(errno == EINVAL && in == 0xfeff)) {
int saved_errno = errno;
fprintf(stderr,"0x%02X: iconv error: ",i);
errno = saved_errno;
perror("");
exit(1);
}
} else if (result == 0) /* ignore conversions with transliteration */ {
if (inbytesleft == 0 && outbytesleft < sizeof(buf)) {
unsigned int jmax = sizeof(buf) - outbytesleft;
unsigned int j;
printf("0x");
for (j = 0; j < jmax; j++)
printf("%02X",buf[j]);
printf("\t0x%04X\n",i);
} else if (inbytesleft == 0 && i >= 0xe0000 && i < 0xe0080) {
/* Language tags may silently be dropped. */
} else {
fprintf(stderr,"0x%02X: inbytes = %ld, outbytes = %ld\n",i,(long)(sizeof(unsigned int)-inbytesleft),(long)(sizeof(buf)-outbytesleft));
exit(1);
}
}
}
}
if (iconv_close(cd) < 0) {
perror("iconv_close");
exit(1);
}
iconv_finalise();
if (ferror(stdin) || ferror(stdout) || fclose(stdout)) {
fprintf(stderr,"I/O error\n");
exit(1);
}
exit(0);
}
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