2 * Copyright (c) 2000-2001, Boris Popov
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Boris Popov.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * $Id: nls.c,v 1.10 2002/07/22 08:33:59 bp Exp $
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
38 #include <sys/types.h>
39 #include <sys/iconv.h>
40 #include <sys/sysctl.h>
51 #include <netsmb/smb_lib.h>
54 * prototype iconv* functions
56 typedef void *iconv_t;
58 static iconv_t (*my_iconv_open)(const char *, const char *);
59 static size_t(*my_iconv)(iconv_t, const char **, size_t *, char **, size_t *);
60 static int(*my_iconv_close)(iconv_t);
62 u_char nls_lower[256];
63 u_char nls_upper[256];
65 static iconv_t nls_toext, nls_toloc;
66 static int iconv_loaded;
67 static void *iconv_lib;
70 nls_setlocale(const char *name)
74 if (setlocale(LC_CTYPE, name) == NULL) {
75 warnx("can't set locale '%s'\n", name);
78 for (i = 0; i < 256; i++) {
79 nls_lower[i] = tolower(i);
80 nls_upper[i] = toupper(i);
86 nls_setrecode(const char *local, const char *external)
93 if (iconv_loaded == 2)
95 else if (iconv_loaded == 0) {
97 iconv_lib = dlopen("libiconv.so", RTLD_LAZY | RTLD_GLOBAL);
98 if (iconv_lib == NULL) {
99 warn("Unable to load iconv library: %s\n", dlerror());
103 my_iconv_open = dlsym(iconv_lib, "iconv_open");
104 my_iconv = dlsym(iconv_lib, "iconv");
105 my_iconv_close = dlsym(iconv_lib, "iconv_close");
108 my_iconv_close(nls_toext);
110 my_iconv_close(nls_toloc);
111 nls_toext = nls_toloc = (iconv_t)0;
112 icd = my_iconv_open(external, local);
113 if (icd == (iconv_t)-1)
116 icd = my_iconv_open(local, external);
117 if (icd == (iconv_t)-1) {
118 my_iconv_close(nls_toext);
119 nls_toext = (iconv_t)0;
128 nls_str_toloc(char *dst, const char *src)
131 size_t inlen, outlen;
134 return strcpy(dst, src);
136 if (nls_toloc == (iconv_t)0)
137 return strcpy(dst, src);
138 inlen = outlen = strlen(src);
139 my_iconv(nls_toloc, NULL, NULL, &p, &outlen);
140 while (my_iconv(nls_toloc, &src, &inlen, &p, &outlen) == -1) {
150 nls_str_toext(char *dst, const char *src)
153 size_t inlen, outlen;
156 return strcpy(dst, src);
158 if (nls_toext == (iconv_t)0)
159 return strcpy(dst, src);
160 inlen = outlen = strlen(src);
161 my_iconv(nls_toext, NULL, NULL, &p, &outlen);
162 while (my_iconv(nls_toext, &src, &inlen, &p, &outlen) == -1) {
172 nls_mem_toloc(void *dst, const void *src, int size)
176 size_t inlen, outlen;
179 return memcpy(dst, src, size);
184 if (nls_toloc == (iconv_t)0)
185 return memcpy(dst, src, size);
186 inlen = outlen = size;
187 my_iconv(nls_toloc, NULL, NULL, &p, &outlen);
188 while (my_iconv(nls_toloc, &s, &inlen, &p, &outlen) == -1) {
197 nls_mem_toext(void *dst, const void *src, int size)
201 size_t inlen, outlen;
206 if (!iconv_loaded || nls_toext == (iconv_t)0)
207 return memcpy(dst, src, size);
209 inlen = outlen = size;
210 my_iconv(nls_toext, NULL, NULL, &p, &outlen);
211 while (my_iconv(nls_toext, &s, &inlen, &p, &outlen) == -1) {
220 nls_str_upper(char *dst, const char *src)
225 *dst++ = toupper(*src++);
231 nls_str_lower(char *dst, const char *src)
236 *dst++ = tolower(*src++);