ad30f8e79b
setting. It can be built by setting the WITH_ICONV knob. While this knob is unset, the library part, the binaries, the header file and the metadata files will not be built or installed so it makes no impact on the system if left turned off. This work is based on the iconv implementation in NetBSD but a great number of improvements and feature additions have been included: - Some utilities have been added. There is a conversion table generator, which can compare conversion tables to reference data generated by GNU libiconv. This helps ensuring conversion compatibility. - UTF-16 surrogate support and some endianness issues have been fixed. - The rather chaotic Makefiles to build metadata have been refactored and cleaned up, now it is easy to read and it is also easier to add support for new encodings. - A bunch of new encodings and encoding aliases have been added. - Support for 1->2, 1->3 and 1->4 mappings, which is needed for transliterating with flying accents as GNU does, like "u. - Lots of warnings have been fixed, the major part of the code is now WARNS=6 clean. - New section 1 and section 5 manual pages have been added. - Some GNU-specific calls have been implemented: iconvlist(), iconvctl(), iconv_canonicalize(), iconv_open_into() - Support for GNU's //IGNORE suffix has been added. - The "-" argument for stdin is now recognized in iconv(1) as per POSIX. - The Big5 conversion module has been fixed. - The iconv.h header files is supposed to be compatible with the GNU version, i.e. sources should build with base iconv.h and GNU libiconv. It also includes a macro magic to deal with the char ** and const char ** incompatibility. - GNU compatibility: "" or "char" means the current local encoding in use - Various cleanups and style(9) fixes. Approved by: delphij (mentor) Obtained from: The NetBSD Project Sponsored by: Google Summer of Code 2009
443 lines
9.4 KiB
C
443 lines
9.4 KiB
C
/*-
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* Copyright (C) 2009 Gabor Kovesdan <gabor@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/endian.h>
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#include <sys/types.h>
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#include <err.h>
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#include <errno.h>
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#include <iconv.h>
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#include <stdbool.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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static bool uc_hook = false;
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static bool wc_hook = false;
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static bool mb_uc_fb = false;
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void unicode_hook(unsigned int mbr, void *data);
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void wchar_hook(wchar_t wc, void *data);
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void mb_to_uc_fb(const char *, size_t,
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void (*write_replacement) (const unsigned int *, size_t, void *),
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void *, void *);
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static int
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ctl_get_translit1(void)
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{
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iconv_t cd;
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int arg, ret;
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cd = iconv_open("ASCII//TRANSLIT", "UTF-8");
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if (cd == (iconv_t)-1)
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return (-1);
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if (iconvctl(cd, ICONV_GET_TRANSLITERATE, &arg) == 0)
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ret = (arg == 1) ? 0 : -1;
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else
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ret = -1;
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if (iconv_close(cd) == -1)
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return (-1);
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return (ret);
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}
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static int
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ctl_get_translit2(void)
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{
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iconv_t cd;
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int arg, ret;
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cd = iconv_open("ASCII", "UTF-8");
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if (cd == (iconv_t)-1)
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return (-1);
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if (iconvctl(cd, ICONV_GET_TRANSLITERATE, &arg) == 0)
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ret = (arg == 0) ? 0 : -1;
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else
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ret = -1;
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if (iconv_close(cd) == -1)
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return (-1);
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return (ret);
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}
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static int
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ctl_set_translit1(void)
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{
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iconv_t cd;
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int arg = 1, ret;
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cd = iconv_open("ASCII", "UTF-8");
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if (cd == (iconv_t)-1)
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return (-1);
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ret = iconvctl(cd, ICONV_SET_TRANSLITERATE, &arg) == 0 ? 0 : -1;
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if (iconv_close(cd) == -1)
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return (-1);
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return (ret);
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}
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static int
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ctl_set_translit2(void)
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{
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iconv_t cd;
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int arg = 0, ret;
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cd = iconv_open("ASCII//TRANSLIT", "UTF-8");
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if (cd == (iconv_t)-1)
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return (-1);
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ret = iconvctl(cd, ICONV_SET_TRANSLITERATE, &arg) == 0 ? 0 : -1;
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if (iconv_close(cd) == -1)
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return (-1);
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return (ret);
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}
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static int
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ctl_get_discard_ilseq1(void)
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{
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iconv_t cd;
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int arg, ret;
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cd = iconv_open("ASCII", "UTF-8");
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if (cd == (iconv_t)-1)
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return (-1);
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if (iconvctl(cd, ICONV_GET_DISCARD_ILSEQ, &arg) == 0)
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ret = arg == 0 ? 0 : -1;
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else
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ret = -1;
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if (iconv_close(cd) == -1)
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return (-1);
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return (ret);
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}
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static int
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ctl_get_discard_ilseq2(void)
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{
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iconv_t cd;
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int arg, ret;
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cd = iconv_open("ASCII//IGNORE", "UTF-8");
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if (cd == (iconv_t)-1)
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return (-1);
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if (iconvctl(cd, ICONV_GET_DISCARD_ILSEQ, &arg) == 0)
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ret = arg == 1 ? 0 : -1;
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else
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ret = -1;
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if (iconv_close(cd) == -1)
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return (-1);
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return (ret);
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}
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static int
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ctl_set_discard_ilseq1(void)
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{
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iconv_t cd;
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int arg = 1, ret;
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cd = iconv_open("ASCII", "UTF-8");
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if (cd == (iconv_t)-1)
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return (-1);
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ret = iconvctl(cd, ICONV_SET_DISCARD_ILSEQ, &arg) == 0 ? 0 : -1;
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if (iconv_close(cd) == -1)
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return (-1);
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return (ret);
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}
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static int
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ctl_set_discard_ilseq2(void)
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{
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iconv_t cd;
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int arg = 0, ret;
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cd = iconv_open("ASCII//IGNORE", "UTF-8");
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if (cd == (iconv_t)-1)
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return (-1);
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ret = iconvctl(cd, ICONV_SET_DISCARD_ILSEQ, &arg) == 0 ? 0 : -1;
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if (iconv_close(cd) == -1)
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return (-1);
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return (ret);
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}
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static int
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ctl_trivialp1(void)
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{
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iconv_t cd;
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int arg, ret;
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cd = iconv_open("latin2", "latin2");
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if (cd == (iconv_t)-1)
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return (-1);
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if (iconvctl(cd, ICONV_TRIVIALP, &arg) == 0) {
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ret = (arg == 1) ? 0 : -1;
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} else
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ret = -1;
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if (iconv_close(cd) == -1)
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return (-1);
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return (ret);
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}
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static int
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ctl_trivialp2(void)
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{
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iconv_t cd;
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int arg, ret;
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cd = iconv_open("ASCII", "KOI8-R");
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if (cd == (iconv_t)-1)
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return (-1);
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if (iconvctl(cd, ICONV_TRIVIALP, &arg) == 0) {
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ret = (arg == 0) ? 0 : -1;
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} else
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ret = -1;
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if (iconv_close(cd) == -1)
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return (-1);
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return (ret);
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}
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void
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unicode_hook(unsigned int mbr, void *data)
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{
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#ifdef VERBOSE
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printf("Unicode hook: %u\n", mbr);
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#endif
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uc_hook = true;
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}
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void
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wchar_hook(wchar_t wc, void *data)
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{
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#ifdef VERBOSE
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printf("Wchar hook: %ull\n", wc);
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#endif
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wc_hook = true;
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}
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static int
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ctl_uc_hook(void)
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{
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struct iconv_hooks hooks;
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iconv_t cd;
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size_t inbytesleft = 15, outbytesleft = 40;
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const char **inptr;
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const char *s = "Hello World!";
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char **outptr;
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char *outbuf;
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inptr = &s;
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hooks.uc_hook = unicode_hook;
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hooks.wc_hook = NULL;
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outbuf = malloc(40);
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outptr = &outbuf;
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cd = iconv_open("UTF-8", "ASCII");
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if (cd == (iconv_t)-1)
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return (-1);
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if (iconvctl(cd, ICONV_SET_HOOKS, (void *)&hooks) != 0)
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return (-1);
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if (iconv(cd, inptr, &inbytesleft, outptr, &outbytesleft) == (size_t)-1)
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return (-1);
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if (iconv_close(cd) == -1)
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return (-1);
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return (uc_hook ? 0 : 1);
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}
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static int
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ctl_wc_hook(void)
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{
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struct iconv_hooks hooks;
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iconv_t cd;
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size_t inbytesleft, outbytesleft = 40;
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const char **inptr;
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const char *s = "Hello World!";
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char **outptr;
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char *outbuf;
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inptr = &s;
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hooks.wc_hook = wchar_hook;
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hooks.uc_hook = NULL;
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outbuf = malloc(40);
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outptr = &outbuf;
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inbytesleft = sizeof(s);
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cd = iconv_open("SHIFT_JIS", "ASCII");
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if (cd == (iconv_t)-1)
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return (-1);
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if (iconvctl(cd, ICONV_SET_HOOKS, (void *)&hooks) != 0)
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return (-1);
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if (iconv(cd, inptr, &inbytesleft, outptr, &outbytesleft) == (size_t)-1)
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return (-1);
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if (iconv_close(cd) == -1)
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return (-1);
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return (wc_hook ? 0 : 1);
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}
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static int
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gnu_canonicalize1(void)
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{
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return (strcmp(iconv_canonicalize("latin2"), "ISO-8859-2"));
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}
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static int
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gnu_canonicalize2(void)
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{
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return (!strcmp(iconv_canonicalize("ASCII"), iconv_canonicalize("latin2")));
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}
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static int
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iconvlist_cb(unsigned int count, const char * const *names, void *data)
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{
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return (*(int *)data = ((names == NULL) && (count > 0)) ? -1 : 0);
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}
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static int
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gnu_iconvlist(void)
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{
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int i;
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iconvlist(iconvlist_cb, (void *)&i);
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return (i);
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}
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void
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mb_to_uc_fb(const char* inbuf, size_t inbufsize,
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void (*write_replacement)(const unsigned int *buf, size_t buflen,
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void* callback_arg), void* callback_arg, void* data)
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{
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unsigned int c = 0x3F;
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mb_uc_fb = true;
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write_replacement((const unsigned int *)&c, 1, NULL);
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}
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static int __unused
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ctl_mb_to_uc_fb(void)
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{
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struct iconv_fallbacks fb;
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iconv_t cd;
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size_t inbytesleft, outbytesleft;
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uint16_t inbuf[1] = { 0xF187 };
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uint8_t outbuf[4] = { 0x00, 0x00, 0x00, 0x00 };
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const char *inptr;
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char *outptr;
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int ret;
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if ((cd = iconv_open("UTF-32", "UTF-8")) == (iconv_t)-1)
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return (1);
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fb.uc_to_mb_fallback = NULL;
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fb.mb_to_wc_fallback = NULL;
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fb.wc_to_mb_fallback = NULL;
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fb.mb_to_uc_fallback = mb_to_uc_fb;
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fb.data = NULL;
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if (iconvctl(cd, ICONV_SET_FALLBACKS, (void *)&fb) != 0)
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return (1);
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inptr = (const char *)inbuf;
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outptr = (char *)outbuf;
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inbytesleft = 2;
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outbytesleft = 4;
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errno = 0;
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ret = iconv(cd, &inptr, &inbytesleft, &outptr, &outbytesleft);
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#ifdef VERBOSE
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printf("mb_uc fallback: %c\n", outbuf[0]);
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#endif
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if (mb_uc_fb && (outbuf[0] == 0x3F))
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return (0);
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else
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return (1);
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}
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static int
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gnu_openinto(void)
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{
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iconv_allocation_t *myspace;
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size_t inbytesleft, outbytesleft;
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const char *inptr;
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char *inbuf = "works!", *outptr;
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char outbuf[6];
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if ((myspace = (iconv_allocation_t *)malloc(sizeof(iconv_allocation_t))) == NULL)
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return (1);
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if (iconv_open_into("ASCII", "ASCII", myspace) == -1)
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return (1);
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inptr = (const char *)inbuf;
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outptr = (char *)outbuf;
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inbytesleft = 6;
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outbytesleft = 6;
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iconv((iconv_t)myspace, &inptr, &inbytesleft, &outptr, &outbytesleft);
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return ((memcmp(inbuf, outbuf, 6) == 0) ? 0 : 1);
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}
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static void
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test(int (tester) (void), const char * label)
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{
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int ret;
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if ((ret = tester()))
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printf("%s failed (%d)\n", label, ret);
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else
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printf("%s succeeded\n", label);
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}
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int
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main(void)
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{
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test(ctl_get_translit1, "ctl_get_translit1");
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test(ctl_get_translit2, "ctl_get_translit2");
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test(ctl_set_translit1, "ctl_set_translit1");
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test(ctl_set_translit2, "ctl_set_translit2");
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test(ctl_get_discard_ilseq1, "ctl_get_discard_ilseq1");
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test(ctl_get_discard_ilseq2, "ctl_get_discard_ilseq2");
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test(ctl_set_discard_ilseq1, "ctl_set_discard_ilseq1");
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test(ctl_set_discard_ilseq2, "ctl_set_discard_ilseq2");
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test(ctl_trivialp1, "ctl_trivialp1");
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test(ctl_trivialp2, "ctl_trivialp2");
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test(ctl_uc_hook, "ctl_uc_hook");
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test(ctl_wc_hook, "ctl_wc_hook");
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// test(ctl_mb_to_uc_fb, "ctl_mb_to_uc_fb");
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test(gnu_openinto, "gnu_openinto");
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test(gnu_canonicalize1, "gnu_canonicalize1");
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test(gnu_canonicalize2, "gnu_canonicalize2");
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test(gnu_iconvlist, "gnu_iconvlist");
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}
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