1 /* $FreeBSD: head/usr.bin/iconv/iconv.c 252583 2013-07-03 18:27:45Z peter $ */
2 /* $NetBSD: iconv.c,v 1.16 2009/02/20 15:28:21 yamt Exp $ */
5 * Copyright (c)2003 Citrus Project,
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/cdefs.h>
44 static unsigned long long invalids;
46 static void do_conv(FILE *, const char *, const char *, bool, bool);
47 static int do_list(unsigned int, const char * const *, void *);
48 static void usage(void);
50 static struct option long_options[] = {
51 {"from-code", required_argument, NULL, 'f'},
52 {"list", no_argument, NULL, 'l'},
53 {"silent", no_argument, NULL, 's'},
54 {"to-code", required_argument, NULL, 't'},
55 {NULL, no_argument, NULL, 0}
62 "Usage:\t%1$s [-cs] -f <from_code> -t <to_code> [file ...]\n"
63 "\t%1$s -f <from_code> [-cs] [-t <to_code>] [file ...]\n"
64 "\t%1$s -t <to_code> [-cs] [-f <from_code>] [file ...]\n"
65 "\t%1$s -l\n", getprogname());
69 #define INBUFSIZE 1024
70 #define OUTBUFSIZE (INBUFSIZE * 2)
72 do_conv(FILE *fp, const char *from, const char *to, bool silent,
76 char inbuf[INBUFSIZE], outbuf[OUTBUFSIZE], *out;
78 size_t inbytes, outbytes, ret;
80 if ((cd = iconv_open(to, from)) == (iconv_t)-1)
81 err(EXIT_FAILURE, "iconv_open(%s, %s)", to, from);
86 if (iconvctl(cd, ICONV_SET_DISCARD_ILSEQ, (void *)&arg) == -1)
89 while ((inbytes = fread(inbuf, 1, INBUFSIZE, fp)) > 0) {
95 outbytes = OUTBUFSIZE;
96 ret = __iconv(cd, &in, &inbytes, &out, &outbytes,
99 if (outbytes < OUTBUFSIZE)
100 (void)fwrite(outbuf, 1, OUTBUFSIZE - outbytes,
102 if (ret == (size_t)-1 && errno != E2BIG) {
103 if (errno != EINVAL || in == inbuf)
104 err(EXIT_FAILURE, "iconv()");
106 /* incomplete input character */
107 (void)memmove(inbuf, in, inbytes);
108 ret = fread(inbuf + inbytes, 1,
109 INBUFSIZE - inbytes, fp);
114 "unexpected end of file; "
115 "the last character is "
118 err(EXIT_FAILURE, "fread()");
125 /* reset the shift state of the output buffer */
126 outbytes = OUTBUFSIZE;
128 ret = iconv(cd, NULL, NULL, &out, &outbytes);
129 if (ret == (size_t)-1)
130 err(EXIT_FAILURE, "iconv()");
131 if (outbytes < OUTBUFSIZE)
132 (void)fwrite(outbuf, 1, OUTBUFSIZE - outbytes, stdout);
134 if (invalids > 0 && !silent)
135 warnx("warning: invalid characters: %llu", invalids);
141 do_list(unsigned int n, const char * const *list, void *data __unused)
145 for(i = 0; i < n; i++) {
146 printf("%s", list[i]);
156 main(int argc, char **argv)
161 bool opt_c = false, opt_s = false;
163 opt_f = opt_t = strdup("");
165 setlocale(LC_ALL, "");
166 setprogname(argv[0]);
168 while ((ch = getopt_long(argc, argv, "csLlf:t:",
169 long_options, NULL)) != -1) {
179 if (opt_s || opt_c || strcmp(opt_f, "") != 0 ||
180 strcmp(opt_t, "") != 0) {
181 warnx("-l is not allowed with other flags.");
184 iconvlist(do_list, NULL);
185 return (EXIT_SUCCESS);
189 opt_f = strdup(optarg);
194 opt_t = strdup(optarg);
202 if ((strcmp(opt_f, "") == 0) && (strcmp(opt_t, "") == 0))
205 do_conv(stdin, opt_f, opt_t, opt_s, opt_c);
207 for (i = 0; i < argc; i++) {
208 fp = (strcmp(argv[i], "-") != 0) ?
209 fopen(argv[i], "r") : stdin;
211 err(EXIT_FAILURE, "Cannot open `%s'",
213 do_conv(fp, opt_f, opt_t, opt_s,
218 return (EXIT_SUCCESS);