caef65b837
when using character set conversions. Also include POSIX <string.h> vs. BSD <strings.h> now that we've broken traditional BSD behavior [and compatibility with our BSD brethren]. PR: 72445 Submitted by: Vladimir Nechitailo <nechit@lpi.ru> Patch by: Stasys Smailys <ssmailys@komvista.lt>
240 lines
5.5 KiB
C
240 lines
5.5 KiB
C
/*
|
|
* Copyright (c) 2000-2001, Boris Popov
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Boris Popov.
|
|
* 4. Neither the name of the author nor the names of any co-contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $Id: nls.c,v 1.10 2002/07/22 08:33:59 bp Exp $
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/iconv.h>
|
|
#include <sys/sysctl.h>
|
|
#include <ctype.h>
|
|
#ifndef APPLE
|
|
#include <dlfcn.h>
|
|
#endif
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <locale.h>
|
|
#include <err.h>
|
|
#include <netsmb/smb_lib.h>
|
|
|
|
/*
|
|
* prototype iconv* functions
|
|
*/
|
|
typedef void *iconv_t;
|
|
|
|
static iconv_t (*my_iconv_open)(const char *, const char *);
|
|
static size_t(*my_iconv)(iconv_t, const char **, size_t *, char **, size_t *);
|
|
static int(*my_iconv_close)(iconv_t);
|
|
|
|
u_char nls_lower[256];
|
|
u_char nls_upper[256];
|
|
|
|
static iconv_t nls_toext, nls_toloc;
|
|
static int iconv_loaded;
|
|
static void *iconv_lib;
|
|
|
|
int
|
|
nls_setlocale(const char *name)
|
|
{
|
|
int i;
|
|
|
|
if (setlocale(LC_CTYPE, name) == NULL) {
|
|
warnx("can't set locale '%s'\n", name);
|
|
return EINVAL;
|
|
}
|
|
for (i = 0; i < 256; i++) {
|
|
nls_lower[i] = tolower(i);
|
|
nls_upper[i] = toupper(i);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
nls_setrecode(const char *local, const char *external)
|
|
{
|
|
#ifdef APPLE
|
|
return ENOENT;
|
|
#else
|
|
iconv_t icd;
|
|
|
|
if (iconv_loaded == 2)
|
|
return ENOENT;
|
|
else if (iconv_loaded == 0) {
|
|
iconv_loaded++;
|
|
iconv_lib = dlopen("libiconv.so", RTLD_LAZY | RTLD_GLOBAL);
|
|
if (iconv_lib == NULL) {
|
|
warn("Unable to load iconv library: %s\n", dlerror());
|
|
iconv_loaded++;
|
|
return ENOENT;
|
|
}
|
|
my_iconv_open = dlsym(iconv_lib, "iconv_open");
|
|
my_iconv = dlsym(iconv_lib, "iconv");
|
|
my_iconv_close = dlsym(iconv_lib, "iconv_close");
|
|
}
|
|
if (nls_toext)
|
|
my_iconv_close(nls_toext);
|
|
if (nls_toloc)
|
|
my_iconv_close(nls_toloc);
|
|
nls_toext = nls_toloc = (iconv_t)0;
|
|
icd = my_iconv_open(external, local);
|
|
if (icd == (iconv_t)-1)
|
|
return errno;
|
|
nls_toext = icd;
|
|
icd = my_iconv_open(local, external);
|
|
if (icd == (iconv_t)-1) {
|
|
my_iconv_close(nls_toext);
|
|
nls_toext = (iconv_t)0;
|
|
return errno;
|
|
}
|
|
nls_toloc = icd;
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
char *
|
|
nls_str_toloc(char *dst, const char *src)
|
|
{
|
|
char *p = dst;
|
|
size_t inlen, outlen;
|
|
|
|
if (!iconv_loaded)
|
|
return strcpy(dst, src);
|
|
|
|
if (nls_toloc == (iconv_t)0)
|
|
return strcpy(dst, src);
|
|
inlen = outlen = strlen(src);
|
|
my_iconv(nls_toloc, NULL, NULL, &p, &outlen);
|
|
while (my_iconv(nls_toloc, &src, &inlen, &p, &outlen) == -1) {
|
|
*p++ = *src++;
|
|
inlen--;
|
|
outlen--;
|
|
}
|
|
*p = 0;
|
|
return dst;
|
|
}
|
|
|
|
char *
|
|
nls_str_toext(char *dst, const char *src)
|
|
{
|
|
char *p = dst;
|
|
size_t inlen, outlen;
|
|
|
|
if (!iconv_loaded)
|
|
return strcpy(dst, src);
|
|
|
|
if (nls_toext == (iconv_t)0)
|
|
return strcpy(dst, src);
|
|
inlen = outlen = strlen(src);
|
|
my_iconv(nls_toext, NULL, NULL, &p, &outlen);
|
|
while (my_iconv(nls_toext, &src, &inlen, &p, &outlen) == -1) {
|
|
*p++ = *src++;
|
|
inlen--;
|
|
outlen--;
|
|
}
|
|
*p = 0;
|
|
return dst;
|
|
}
|
|
|
|
void *
|
|
nls_mem_toloc(void *dst, const void *src, int size)
|
|
{
|
|
char *p = dst;
|
|
const char *s = src;
|
|
size_t inlen, outlen;
|
|
|
|
if (!iconv_loaded)
|
|
return memcpy(dst, src, size);
|
|
|
|
if (size == 0)
|
|
return NULL;
|
|
|
|
if (nls_toloc == (iconv_t)0)
|
|
return memcpy(dst, src, size);
|
|
inlen = outlen = size;
|
|
my_iconv(nls_toloc, NULL, NULL, &p, &outlen);
|
|
while (my_iconv(nls_toloc, &s, &inlen, &p, &outlen) == -1) {
|
|
*p++ = *s++;
|
|
inlen--;
|
|
outlen--;
|
|
}
|
|
return dst;
|
|
}
|
|
|
|
void *
|
|
nls_mem_toext(void *dst, const void *src, int size)
|
|
{
|
|
char *p = dst;
|
|
const char *s = src;
|
|
size_t inlen, outlen;
|
|
|
|
if (size == 0)
|
|
return NULL;
|
|
|
|
if (!iconv_loaded || nls_toext == (iconv_t)0)
|
|
return memcpy(dst, src, size);
|
|
|
|
inlen = outlen = size;
|
|
my_iconv(nls_toext, NULL, NULL, &p, &outlen);
|
|
while (my_iconv(nls_toext, &s, &inlen, &p, &outlen) == -1) {
|
|
*p++ = *s++;
|
|
inlen--;
|
|
outlen--;
|
|
}
|
|
return dst;
|
|
}
|
|
|
|
char *
|
|
nls_str_upper(char *dst, const char *src)
|
|
{
|
|
char *p = dst;
|
|
|
|
while (*src)
|
|
*dst++ = toupper(*src++);
|
|
*dst = 0;
|
|
return p;
|
|
}
|
|
|
|
char *
|
|
nls_str_lower(char *dst, const char *src)
|
|
{
|
|
char *p = dst;
|
|
|
|
while (*src)
|
|
*dst++ = tolower(*src++);
|
|
*dst = 0;
|
|
return p;
|
|
}
|