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>
48 #include <netsmb/smb_lib.h>
51 * prototype iconv* functions
53 typedef void *iconv_t;
55 static iconv_t (*my_iconv_open)(const char *, const char *);
56 static size_t(*my_iconv)(iconv_t, const char **, size_t *, char **, size_t *);
57 static int(*my_iconv_close)(iconv_t);
59 u_char nls_lower[256];
60 u_char nls_upper[256];
62 static iconv_t nls_toext, nls_toloc;
63 static int iconv_loaded;
64 static void *iconv_lib;
67 nls_setlocale(const char *name)
71 if (setlocale(LC_CTYPE, name) == NULL) {
72 warnx("can't set locale '%s'\n", name);
75 for (i = 0; i < 256; i++) {
76 nls_lower[i] = tolower(i);
77 nls_upper[i] = toupper(i);
83 nls_setrecode(const char *local, const char *external)
90 if (iconv_loaded == 2)
92 else if (iconv_loaded == 0) {
94 iconv_lib = dlopen("libiconv.so", RTLD_LAZY | RTLD_GLOBAL);
95 if (iconv_lib == NULL) {
96 warn("Unable to load iconv library: %s\n", dlerror());
100 my_iconv_open = dlsym(iconv_lib, "iconv_open");
101 my_iconv = dlsym(iconv_lib, "iconv");
102 my_iconv_close = dlsym(iconv_lib, "iconv_close");
105 my_iconv_close(nls_toext);
107 my_iconv_close(nls_toloc);
108 nls_toext = nls_toloc = (iconv_t)0;
109 icd = my_iconv_open(external, local);
110 if (icd == (iconv_t)-1)
113 icd = my_iconv_open(local, external);
114 if (icd == (iconv_t)-1) {
115 my_iconv_close(nls_toext);
116 nls_toext = (iconv_t)0;
125 nls_str_toloc(char *dst, const char *src)
131 return strcpy(dst, src);
133 if (nls_toloc == (iconv_t)0)
134 return strcpy(dst, src);
135 inlen = outlen = strlen(src);
136 my_iconv(nls_toloc, NULL, NULL, &p, &outlen);
137 while (my_iconv(nls_toloc, &src, &inlen, &p, &outlen) == -1) {
147 nls_str_toext(char *dst, const char *src)
153 return strcpy(dst, src);
155 if (nls_toext == (iconv_t)0)
156 return strcpy(dst, src);
157 inlen = outlen = strlen(src);
158 my_iconv(nls_toext, NULL, NULL, &p, &outlen);
159 while (my_iconv(nls_toext, &src, &inlen, &p, &outlen) == -1) {
169 nls_mem_toloc(void *dst, const void *src, int size)
176 return memcpy(dst, src, size);
181 if (nls_toloc == (iconv_t)0)
182 return memcpy(dst, src, size);
183 inlen = outlen = size;
184 my_iconv(nls_toloc, NULL, NULL, &p, &outlen);
185 while (my_iconv(nls_toloc, &s, &inlen, &p, &outlen) == -1) {
194 nls_mem_toext(void *dst, const void *src, int size)
203 if (!iconv_loaded || nls_toext == (iconv_t)0)
204 return memcpy(dst, src, size);
206 inlen = outlen = size;
207 my_iconv(nls_toext, NULL, NULL, &p, &outlen);
208 while (my_iconv(nls_toext, &s, &inlen, &p, &outlen) == -1) {
217 nls_str_upper(char *dst, const char *src)
222 *dst++ = toupper(*src++);
228 nls_str_lower(char *dst, const char *src)
233 *dst++ = tolower(*src++);