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/types.h>
36 #include <sys/iconv.h>
37 #include <sys/sysctl.h>
49 #include <netsmb/smb_lib.h>
52 * prototype iconv* functions
54 typedef void *iconv_t;
56 static iconv_t (*my_iconv_open)(const char *, const char *);
57 static size_t(*my_iconv)(iconv_t, const char **, size_t *, char **, size_t *);
58 static int(*my_iconv_close)(iconv_t);
60 u_char nls_lower[256];
61 u_char nls_upper[256];
63 static iconv_t nls_toext, nls_toloc;
64 static int iconv_loaded;
65 static void *iconv_lib;
68 nls_setlocale(const char *name)
72 if (setlocale(LC_CTYPE, name) == NULL) {
73 warnx("can't set locale '%s'\n", name);
76 for (i = 0; i < 256; i++) {
77 nls_lower[i] = tolower(i);
78 nls_upper[i] = toupper(i);
84 nls_setrecode(const char *local, const char *external)
91 if (iconv_loaded == 2)
93 else if (iconv_loaded == 0) {
95 iconv_lib = dlopen("libiconv.so", RTLD_LAZY | RTLD_GLOBAL);
96 if (iconv_lib == NULL) {
97 warn("Unable to load iconv library: %s\n", dlerror());
101 my_iconv_open = dlsym(iconv_lib, "iconv_open");
102 my_iconv = dlsym(iconv_lib, "iconv");
103 my_iconv_close = dlsym(iconv_lib, "iconv_close");
106 my_iconv_close(nls_toext);
108 my_iconv_close(nls_toloc);
109 nls_toext = nls_toloc = (iconv_t)0;
110 icd = my_iconv_open(external, local);
111 if (icd == (iconv_t)-1)
114 icd = my_iconv_open(local, external);
115 if (icd == (iconv_t)-1) {
116 my_iconv_close(nls_toext);
117 nls_toext = (iconv_t)0;
126 nls_str_toloc(char *dst, const char *src)
129 size_t inlen, outlen;
132 return strcpy(dst, src);
134 if (nls_toloc == (iconv_t)0)
135 return strcpy(dst, src);
136 inlen = outlen = strlen(src);
137 my_iconv(nls_toloc, NULL, NULL, &p, &outlen);
138 while (my_iconv(nls_toloc, &src, &inlen, &p, &outlen) == -1) {
148 nls_str_toext(char *dst, const char *src)
151 size_t inlen, outlen;
154 return strcpy(dst, src);
156 if (nls_toext == (iconv_t)0)
157 return strcpy(dst, src);
158 inlen = outlen = strlen(src);
159 my_iconv(nls_toext, NULL, NULL, &p, &outlen);
160 while (my_iconv(nls_toext, &src, &inlen, &p, &outlen) == -1) {
170 nls_mem_toloc(void *dst, const void *src, int size)
174 size_t inlen, outlen;
177 return memcpy(dst, src, size);
182 if (nls_toloc == (iconv_t)0)
183 return memcpy(dst, src, size);
184 inlen = outlen = size;
185 my_iconv(nls_toloc, NULL, NULL, &p, &outlen);
186 while (my_iconv(nls_toloc, &s, &inlen, &p, &outlen) == -1) {
195 nls_mem_toext(void *dst, const void *src, int size)
199 size_t inlen, outlen;
204 if (!iconv_loaded || nls_toext == (iconv_t)0)
205 return memcpy(dst, src, size);
207 inlen = outlen = size;
208 my_iconv(nls_toext, NULL, NULL, &p, &outlen);
209 while (my_iconv(nls_toext, &s, &inlen, &p, &outlen) == -1) {
218 nls_str_upper(char *dst, const char *src)
223 *dst++ = toupper(*src++);
229 nls_str_lower(char *dst, const char *src)
234 *dst++ = tolower(*src++);