1 /* $NetBSD: gettext.c,v 1.3 2015/07/12 11:40:52 christos Exp $ */
2
3 /*-
4 * Copyright (c) 2015 William Orr <will@worrbase.com>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28 #include <sys/cdefs.h>
29 __RCSID("$NetBSD: gettext.c,v 1.3 2015/07/12 11:40:52 christos Exp $");
30
31 #include <err.h>
32 #include <errno.h>
33 #include <getopt.h>
34 #include <libintl.h>
35 #include <locale.h>
36 #include <stdbool.h>
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <string.h>
40 #include <util.h>
41
42 static struct option longopts[] = {
43 { "help", no_argument, NULL, 'h' },
44 { "domain", required_argument, NULL, 'd' },
45 { NULL, 0, NULL, '\0' },
46 };
47
48 static __dead void
usage(int exit_status)49 usage(int exit_status)
50 {
51
52 fprintf(stderr, "Usage: %s [-ehn] [[<textdomain>] <msgid>]\n",
53 getprogname());
54 fprintf(stderr, "Usage: %s [-ehn] -d <textdomain> <msgid>\n",
55 getprogname());
56 fprintf(stderr, "Usage: %s -s [<msgid>]...\n", getprogname());
57 exit(exit_status);
58 }
59
60 static bool
expand(char * str)61 expand(char *str)
62 {
63 char *fp, *sp, ch, pl;
64 bool nflag = false;
65
66 for (fp = str, sp = str; *fp != 0;) {
67 if (*fp == '\\') {
68 switch (*++fp) {
69 case 'a':
70 *sp++ = '\a';
71 fp++;
72 break;
73 case 'b':
74 *sp++ = '\b';
75 fp++;
76 break;
77 case 'c':
78 nflag = true;
79 fp++;
80 break;
81 case 'f':
82 *sp++ = '\f';
83 fp++;
84 break;
85 case 'n':
86 *sp++ = '\n';
87 fp++;
88 break;
89 case 'r':
90 *sp++ = '\r';
91 fp++;
92 break;
93 case 't':
94 *sp++ = '\t';
95 fp++;
96 break;
97 case 'v':
98 *sp++ = '\v';
99 fp++;
100 break;
101 case '\\':
102 *sp++ = '\\';
103 fp++;
104 break;
105 case '0':
106 case '1':
107 case '2':
108 case '3':
109 case '4':
110 case '5':
111 case '6':
112 case '7':
113 ch = *fp++ - '0';
114 pl = 0;
115 while (*fp >= '0' && *fp <= '7' && pl < 2) {
116 ch *= 8;
117 ch += *fp++ - '0';
118 pl++;
119 }
120
121 *sp++ = ch;
122 break;
123 default:
124 *sp++ = '\\';
125 break;
126 }
127 continue;
128 }
129 *sp++ = *fp++;
130 }
131
132 *sp = '\0';
133 return nflag;
134 }
135
136 int
main(int argc,char ** argv)137 main(int argc, char **argv)
138 {
139 char *msgdomain = NULL;
140 char *msgdomaindir = NULL;
141 char *translation = NULL;
142 char *s;
143 bool eflag = false;
144 bool sflag = false;
145 bool nflag = false;
146 int ch;
147
148 setlocale(LC_ALL, "");
149 setprogname(argv[0]);
150
151 while ((ch = getopt_long(argc, argv, "d:eEhnsV", longopts, NULL)) != -1)
152 {
153 switch (ch) {
154 case 'd':
155 msgdomain = estrdup(optarg);
156 break;
157 case 'E':
158 /* GNU gettext compat */
159 break;
160 case 'e':
161 eflag = true;
162 break;
163 case 'V':
164 case 'h':
165 free(msgdomain);
166 usage(EXIT_SUCCESS);
167 /* NOTREACHED */
168 case 'n':
169 nflag = true;
170 break;
171 case 's':
172 sflag = true;
173 break;
174 default:
175 free(msgdomain);
176 usage(EXIT_FAILURE);
177 /* NOTREACHED */
178 }
179 }
180 argc -= optind;
181 argv += optind;
182
183 if (argc == 0) {
184 free(msgdomain);
185 warnx("missing msgid");
186 usage(EXIT_FAILURE);
187 }
188
189 /* msgdomain can be passed as optional arg iff -s is not passed */
190 if (!sflag) {
191 if (argc == 2) {
192 free(msgdomain);
193 msgdomain = estrdup(argv[0]);
194
195 argc -= 1;
196 argv += 1;
197 } else if (argc > 2) {
198 warnx("too many arguments");
199 usage(EXIT_FAILURE);
200 }
201 }
202
203 /* msgdomain can be passed as env var */
204 if (msgdomain == NULL) {
205 if ((s = getenv("TEXTDOMAIN")) != NULL)
206 msgdomain = estrdup(s);
207 }
208
209 if (msgdomain != NULL) {
210 if ((s = getenv("TEXTDOMAINDIR")) != NULL)
211 msgdomaindir = estrdup(s);
212 if (msgdomaindir)
213 bindtextdomain(msgdomain, msgdomaindir);
214 }
215
216 do {
217 if (eflag)
218 nflag |= expand(*argv);
219
220 translation = dgettext(msgdomain, argv[0]);
221 printf("%s", translation);
222
223 argc--;
224 argv++;
225 if (argc)
226 printf(" ");
227 } while (sflag && argc != 0);
228
229 if (sflag && !nflag)
230 printf("\n");
231
232 free(msgdomain);
233 free(msgdomaindir);
234
235 return EXIT_SUCCESS;
236 }
237