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0016b7da34
Previously it would loop indefinitely on getopt_long(3) due to 'char' being unsigned. Reviewed By: allanjude Sponsored by: Klara, Inc. Differential Revision: https://reviews.freebsd.org/D31817
321 lines
7.5 KiB
C
321 lines
7.5 KiB
C
/*-
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* Copyright (C) 2009, 2010 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 <getopt.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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#define UC_TO_MB_FLAG 1
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#define MB_TO_WC_FLAG 2
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#define MB_TO_UC_FLAG 4
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#define WC_TO_MB_FLAG 8
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#define MAX(a,b) ((a) < (b) ? (b) : (a))
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extern char *__progname;
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static const char *optstr = "cdilrt";
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static const char *citrus_common = "SRC_ZONE\t0x0000-0xFFFF\n"
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"OOB_MODE\tILSEQ\n"
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"DST_ILSEQ\t0xFFFE\n"
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"DST_UNIT_BITS\t32\n\n"
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"BEGIN_MAP\n"
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"#\n# Generated with Citrus iconv (FreeBSD)\n#\n";
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bool cflag;
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bool dflag;
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bool iflag;
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bool lflag;
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bool tflag;
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bool rflag;
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int fb_flags;
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static void do_conv(iconv_t, bool);
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void mb_to_uc_fb(const char*, size_t,
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void (*write_replacement)(const unsigned int *,
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size_t, void *), void *, void *);
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void mb_to_wc_fb(const char*, size_t,
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void (*write_replacement) (const wchar_t *, size_t, void *),
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void *, void *);
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void uc_to_mb_fb(unsigned int,
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void (*write_replacement) (const char *, size_t, void *), void *,
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void *);
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void wc_to_mb_fb(wchar_t,
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void (*write_replacement)(const char *,
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size_t, void *), void *, void *);
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struct option long_options[] =
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{
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{"citrus", no_argument, NULL, 'c'},
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{"diagnostic", no_argument, NULL, 'd'},
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{"ignore", no_argument, NULL, 'i'},
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{"long", no_argument, NULL, 'l'},
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{"reverse", no_argument, NULL, 'r'},
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{"translit", no_argument, NULL, 't'},
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{NULL, no_argument, NULL, 0}
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};
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static void
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usage(void) {
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fprintf(stderr, "Usage: %s [-cdilrt] ENCODING\n", __progname);
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exit(EXIT_FAILURE);
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}
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static void
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format_diag(int errcode)
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{
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const char *errstr;
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const char *u2m, *m2u, *m2w, *w2m;
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switch (errcode) {
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case EINVAL:
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errstr = "EINVAL ";
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break;
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case EILSEQ:
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errstr = "EILSEQ ";
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break;
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case E2BIG:
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errstr = "E2BIG ";
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break;
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default:
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errstr = "UNKNOWN ";
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break;
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}
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u2m = (fb_flags & UC_TO_MB_FLAG) ? "U2M " : "";
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m2w = (fb_flags & MB_TO_WC_FLAG) ? "M2W " : "";
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m2u = (fb_flags & MB_TO_UC_FLAG) ? "M2U " : "";
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w2m = (fb_flags & WC_TO_MB_FLAG) ? "W2M " : "";
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printf("%s%s%s%s%s", errstr, u2m, m2w, m2u, w2m);
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}
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static int
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magnitude(const uint32_t p)
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{
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if (p >> 8 == 0)
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return (1);
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else if (p >> 16 == 0)
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return (2);
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else
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return (p >> 24 == 0 ? 3 : 4);
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}
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static void
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format(const uint32_t data)
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{
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/* XXX: could be simpler, something like this but with leading 0s?
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printf("0x%.*X", magnitude(data), data);
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*/
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switch (magnitude(data)) {
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default:
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case 2:
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printf("0x%04X", data);
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break;
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case 3:
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printf("0x%06X", data);
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break;
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case 4:
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printf("0x%08X", data);
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break;
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}
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}
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void
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uc_to_mb_fb(unsigned int code,
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void (*write_replacement)(const char *buf, size_t buflen,
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void* callback_arg), void* callback_arg, void* data)
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{
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fb_flags |= UC_TO_MB_FLAG;
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}
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void
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mb_to_wc_fb(const char* inbuf, size_t inbufsize,
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void (*write_replacement)(const wchar_t *buf, size_t buflen,
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void* callback_arg), void* callback_arg, void* data)
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{
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fb_flags |= MB_TO_WC_FLAG;
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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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fb_flags |= MB_TO_UC_FLAG;
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}
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void
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wc_to_mb_fb(wchar_t wc,
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void (*write_replacement)(const char *buf, size_t buflen,
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void* callback_arg), void* callback_arg, void* data)
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{
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fb_flags |= WC_TO_MB_FLAG;
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}
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int
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main (int argc, char *argv[])
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{
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struct iconv_fallbacks fbs;
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iconv_t cd;
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char *tocode;
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int c;
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while (((c = getopt_long(argc, argv, optstr, long_options, NULL)) != -1)) {
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switch (c) {
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case 'c':
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cflag = true;
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break;
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case 'd':
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dflag = true;
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break;
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case 'i':
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iflag = true;
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break;
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case 'l':
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lflag = true;
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break;
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case 'r':
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rflag = true;
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break;
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case 't':
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tflag = true;
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break;
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}
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}
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argc -= optind;
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argv += optind;
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if (argc < 1)
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usage();
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fbs.uc_to_mb_fallback = uc_to_mb_fb;
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fbs.mb_to_wc_fallback = mb_to_wc_fb;
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fbs.mb_to_uc_fallback = mb_to_uc_fb;
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fbs.wc_to_mb_fallback = wc_to_mb_fb;
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fbs.data = NULL;
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if (argc == 2) {
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asprintf(&tocode, "%s%s%s", argv[1], tflag ? "//TRASNLIT" : "",
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iflag ? "//IGNORE" : "");
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if ((cd = iconv_open(tocode, argv[0])) == (iconv_t)-1)
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err(1, NULL);
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if (dflag) {
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if (iconvctl(cd, ICONV_SET_FALLBACKS, &fbs) != 0)
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err(1, NULL);
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}
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do_conv(cd, false);
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} else if (rflag) {
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asprintf(&tocode, "%s%s%s", argv[0], tflag ? "//TRANSLIT" : "",
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iflag ? "//IGNORE" : "");
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if ((cd = iconv_open(tocode, "UTF-32LE")) == (iconv_t)-1)
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err(1, NULL);
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if (dflag && iconvctl(cd, ICONV_SET_FALLBACKS, &fbs) != 0)
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err(1, NULL);
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if (cflag) {
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printf("# $FreeBSD$\n\n");
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printf("TYPE\t\tROWCOL\n");
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printf("NAME\t\tUCS/%s\n", argv[0]);
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printf("%s", citrus_common);
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}
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do_conv(cd, true);
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} else {
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if ((cd = iconv_open("UTF-32LE//TRANSLIT", argv[0])) == (iconv_t)-1)
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err(1, NULL);
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if (dflag && (iconvctl(cd, ICONV_SET_FALLBACKS, &fbs) != 0))
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err(1, NULL);
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if (cflag) {
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printf("# $FreeBSD$\n\n");
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printf("TYPE\t\tROWCOL\n");
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printf("NAME\t\t%s/UCS\n", argv[0]);
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printf("%s", citrus_common);
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}
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do_conv(cd, false);
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}
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if (iconv_close(cd) != 0)
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err(1, NULL);
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return (EXIT_SUCCESS);
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}
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static void
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do_conv(iconv_t cd, bool uniinput) {
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size_t inbytesleft, outbytesleft, ret;
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uint32_t outbuf;
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uint32_t inbuf;
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char *inbuf_;
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char *outbuf_;
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for (inbuf = 0; inbuf < (lflag ? 0x100000 : 0x10000); inbuf += 1) {
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if (uniinput && (inbuf >= 0xD800) && (inbuf <= 0xDF00))
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continue;
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inbytesleft = uniinput ? 4 : magnitude(inbuf);
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outbytesleft = 4;
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outbuf = 0x00000000;
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outbuf_ = (char *)&outbuf;
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inbuf_ = (char *)&inbuf;
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iconv(cd, NULL, NULL, NULL, NULL);
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fb_flags = 0;
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errno = 0;
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ret = iconv(cd, &inbuf_, &inbytesleft, &outbuf_, &outbytesleft);
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if (ret == (size_t)-1) {
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if (dflag) {
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format(inbuf);
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printf(" = ");
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format_diag(errno);
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printf("\n");
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}
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continue;
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}
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format(inbuf);
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printf(" = ");
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format(outbuf);
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printf("\n");
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}
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if (cflag)
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printf("END_MAP\n");
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}
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