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/*-
* 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.
*
* 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.
*
* $FreeBSD: release/9.1.0/sys/sys/iconv.h 230196 2012-01-16 05:15:13Z kevlo $
*/
#ifndef _SYS_ICONV_H_
#define _SYS_ICONV_H_
#define ICONV_CSNMAXLEN 31 /* maximum length of charset name */
#define ICONV_CNVNMAXLEN 31 /* maximum length of converter name */
/* maximum size of data associated with cs pair */
#define ICONV_CSMAXDATALEN (sizeof(caddr_t) * 0x200 + sizeof(uint32_t) * 0x200 * 0x80)
#define XLAT16_ACCEPT_NULL_OUT 0x01000000
#define XLAT16_ACCEPT_NULL_IN 0x02000000
#define XLAT16_HAS_LOWER_CASE 0x04000000
#define XLAT16_HAS_UPPER_CASE 0x08000000
#define XLAT16_HAS_FROM_LOWER_CASE 0x10000000
#define XLAT16_HAS_FROM_UPPER_CASE 0x20000000
#define XLAT16_IS_3BYTE_CHR 0x40000000
#define KICONV_LOWER 1 /* tolower converted character */
#define KICONV_UPPER 2 /* toupper converted character */
#define KICONV_FROM_LOWER 4 /* tolower source character, then convert */
#define KICONV_FROM_UPPER 8 /* toupper source character, then convert */
#define KICONV_WCTYPE 16 /* towlower/towupper characters */
#define ENCODING_UNICODE "UTF-16BE"
#define KICONV_WCTYPE_NAME "_wctype"
/*
* Entry for cslist sysctl
*/
#define ICONV_CSPAIR_INFO_VER 1
struct iconv_cspair_info {
int cs_version;
int cs_id;
int cs_base;
int cs_refcount;
char cs_to[ICONV_CSNMAXLEN];
char cs_from[ICONV_CSNMAXLEN];
};
/*
* Paramters for 'add' sysctl
*/
#define ICONV_ADD_VER 1
struct iconv_add_in {
int ia_version;
char ia_converter[ICONV_CNVNMAXLEN];
char ia_to[ICONV_CSNMAXLEN];
char ia_from[ICONV_CSNMAXLEN];
int ia_datalen;
const void *ia_data;
};
struct iconv_add_out {
int ia_csid;
};
#ifndef _KERNEL
__BEGIN_DECLS
#define KICONV_VENDOR_MICSFT 1 /* Microsoft Vendor Code for quirk */
int kiconv_add_xlat_table(const char *, const char *, const u_char *);
int kiconv_add_xlat16_cspair(const char *, const char *, int);
int kiconv_add_xlat16_cspairs(const char *, const char *);
int kiconv_add_xlat16_table(const char *, const char *, const void *, int);
int kiconv_lookupconv(const char *drvname);
int kiconv_lookupcs(const char *tocode, const char *fromcode);
const char *kiconv_quirkcs(const char *, int);
__END_DECLS
#else /* !_KERNEL */
#include <sys/kobj.h>
#include <sys/module.h> /* can't avoid that */
#include <sys/queue.h> /* can't avoid that */
#include <sys/sysctl.h> /* can't avoid that */
struct iconv_cspair;
struct iconv_cspairdata;
/*
* iconv converter class definition
*/
struct iconv_converter_class {
KOBJ_CLASS_FIELDS;
TAILQ_ENTRY(iconv_converter_class) cc_link;
};
struct iconv_cspair {
int cp_id; /* unique id of charset pair */
int cp_refcount; /* number of references from other pairs */
const char * cp_from;
const char * cp_to;
void * cp_data;
struct iconv_converter_class * cp_dcp;
struct iconv_cspair *cp_base;
TAILQ_ENTRY(iconv_cspair) cp_link;
};
#define KICONV_CONVERTER(name,size) \
static struct iconv_converter_class iconv_ ## name ## _class = { \
"iconv_"#name, iconv_ ## name ## _methods, size, NULL \
}; \
static moduledata_t iconv_ ## name ## _mod = { \
"iconv_"#name, iconv_converter_handler, \
(void*)&iconv_ ## name ## _class \
}; \
DECLARE_MODULE(iconv_ ## name, iconv_ ## name ## _mod, SI_SUB_DRIVERS, SI_ORDER_ANY);
#define KICONV_CES(name,size) \
static DEFINE_CLASS(iconv_ces_ ## name, iconv_ces_ ## name ## _methods, (size)); \
static moduledata_t iconv_ces_ ## name ## _mod = { \
"iconv_ces_"#name, iconv_cesmod_handler, \
(void*)&iconv_ces_ ## name ## _class \
}; \
DECLARE_MODULE(iconv_ces_ ## name, iconv_ces_ ## name ## _mod, SI_SUB_DRIVERS, SI_ORDER_ANY);
#ifdef MALLOC_DECLARE
MALLOC_DECLARE(M_ICONV);
#endif
/*
* Basic conversion functions
*/
int iconv_open(const char *to, const char *from, void **handle);
int iconv_close(void *handle);
int iconv_conv(void *handle, const char **inbuf,
size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
int iconv_conv_case(void *handle, const char **inbuf,
size_t *inbytesleft, char **outbuf, size_t *outbytesleft, int casetype);
int iconv_convchr(void *handle, const char **inbuf,
size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
int iconv_convchr_case(void *handle, const char **inbuf,
size_t *inbytesleft, char **outbuf, size_t *outbytesleft, int casetype);
int iconv_add(const char *converter, const char *to, const char *from);
char* iconv_convstr(void *handle, char *dst, const char *src);
void* iconv_convmem(void *handle, void *dst, const void *src, int size);
int iconv_vfs_refcount(const char *fsname);
int towlower(int c, void *handle);
int towupper(int c, void *handle);
/*
* Bridge struct of iconv functions
*/
struct iconv_functions {
int (*open)(const char *to, const char *from, void **handle);
int (*close)(void *handle);
int (*conv)(void *handle, const char **inbuf, size_t *inbytesleft,
char **outbuf, size_t *outbytesleft);
int (*conv_case)(void *handle, const char **inbuf, size_t *inbytesleft,
char **outbuf, size_t *outbytesleft, int casetype);
int (*convchr)(void *handle, const char **inbuf, size_t *inbytesleft,
char **outbuf, size_t *outbytesleft);
int (*convchr_case)(void *handle, const char **inbuf, size_t *inbytesleft,
char **outbuf, size_t *outbytesleft, int casetype);
};
#define VFS_DECLARE_ICONV(fsname) \
static struct iconv_functions fsname ## _iconv_core = { \
iconv_open, \
iconv_close, \
iconv_conv, \
iconv_conv_case, \
iconv_convchr, \
iconv_convchr_case \
}; \
extern struct iconv_functions *fsname ## _iconv; \
static int fsname ## _iconv_mod_handler(module_t mod, \
int type, void *d); \
static int \
fsname ## _iconv_mod_handler(module_t mod, int type, void *d) \
{ \
int error = 0; \
switch(type) { \
case MOD_LOAD: \
fsname ## _iconv = & fsname ## _iconv_core; \
break; \
case MOD_UNLOAD: \
error = iconv_vfs_refcount(#fsname); \
if (error) \
return (EBUSY); \
fsname ## _iconv = NULL; \
break; \
default: \
error = EINVAL; \
break; \
} \
return (error); \
} \
static moduledata_t fsname ## _iconv_mod = { \
#fsname"_iconv", \
fsname ## _iconv_mod_handler, \
NULL \
}; \
DECLARE_MODULE(fsname ## _iconv, fsname ## _iconv_mod, \
SI_SUB_DRIVERS, SI_ORDER_ANY); \
MODULE_DEPEND(fsname ## _iconv, fsname, 1, 1, 1); \
MODULE_DEPEND(fsname ## _iconv, libiconv, 2, 2, 2); \
MODULE_VERSION(fsname ## _iconv, 1)
/*
* Internal functions
*/
int iconv_lookupcp(char **cpp, const char *s);
int iconv_converter_initstub(struct iconv_converter_class *dp);
int iconv_converter_donestub(struct iconv_converter_class *dp);
int iconv_converter_tolowerstub(int c, void *handle);
int iconv_converter_handler(module_t mod, int type, void *data);
#ifdef ICONV_DEBUG
#define ICDEBUG(format, ...) printf("%s: "format, __func__ , __VA_ARGS__)
#else
#define ICDEBUG(format, ...)
#endif
#endif /* !_KERNEL */
#endif /* !_SYS_ICONV_H_ */