251 lines
8.2 KiB
C
251 lines
8.2 KiB
C
/*-
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* Copyright (c) 2000-2001 Boris Popov
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _SYS_ICONV_H_
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#define _SYS_ICONV_H_
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#define ICONV_CSNMAXLEN 31 /* maximum length of charset name */
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#define ICONV_CNVNMAXLEN 31 /* maximum length of converter name */
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/* maximum size of data associated with cs pair */
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#define ICONV_CSMAXDATALEN (sizeof(caddr_t) * 0x200 + sizeof(uint32_t) * 0x200 * 0x80)
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#define XLAT16_ACCEPT_NULL_OUT 0x01000000
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#define XLAT16_ACCEPT_NULL_IN 0x02000000
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#define XLAT16_HAS_LOWER_CASE 0x04000000
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#define XLAT16_HAS_UPPER_CASE 0x08000000
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#define XLAT16_HAS_FROM_LOWER_CASE 0x10000000
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#define XLAT16_HAS_FROM_UPPER_CASE 0x20000000
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#define XLAT16_IS_3BYTE_CHR 0x40000000
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#define KICONV_LOWER 1 /* tolower converted character */
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#define KICONV_UPPER 2 /* toupper converted character */
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#define KICONV_FROM_LOWER 4 /* tolower source character, then convert */
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#define KICONV_FROM_UPPER 8 /* toupper source character, then convert */
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#define KICONV_WCTYPE 16 /* towlower/towupper characters */
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#define ENCODING_UNICODE "UTF-16BE"
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#define KICONV_WCTYPE_NAME "_wctype"
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/*
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* Entry for cslist sysctl
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*/
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#define ICONV_CSPAIR_INFO_VER 1
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struct iconv_cspair_info {
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int cs_version;
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int cs_id;
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int cs_base;
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int cs_refcount;
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char cs_to[ICONV_CSNMAXLEN];
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char cs_from[ICONV_CSNMAXLEN];
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};
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/*
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* Paramters for 'add' sysctl
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*/
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#define ICONV_ADD_VER 1
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struct iconv_add_in {
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int ia_version;
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char ia_converter[ICONV_CNVNMAXLEN];
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char ia_to[ICONV_CSNMAXLEN];
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char ia_from[ICONV_CSNMAXLEN];
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int ia_datalen;
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const void *ia_data;
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};
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struct iconv_add_out {
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int ia_csid;
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};
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#ifndef _KERNEL
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__BEGIN_DECLS
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#define KICONV_VENDOR_MICSFT 1 /* Microsoft Vendor Code for quirk */
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int kiconv_add_xlat_table(const char *, const char *, const u_char *);
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int kiconv_add_xlat16_cspair(const char *, const char *, int);
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int kiconv_add_xlat16_cspairs(const char *, const char *);
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int kiconv_add_xlat16_table(const char *, const char *, const void *, int);
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int kiconv_lookupconv(const char *drvname);
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int kiconv_lookupcs(const char *tocode, const char *fromcode);
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const char *kiconv_quirkcs(const char *, int);
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__END_DECLS
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#else /* !_KERNEL */
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#include <sys/kobj.h>
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#include <sys/module.h> /* can't avoid that */
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#include <sys/queue.h> /* can't avoid that */
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#include <sys/sysctl.h> /* can't avoid that */
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struct iconv_cspair;
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struct iconv_cspairdata;
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/*
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* iconv converter class definition
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*/
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struct iconv_converter_class {
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KOBJ_CLASS_FIELDS;
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TAILQ_ENTRY(iconv_converter_class) cc_link;
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};
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struct iconv_cspair {
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int cp_id; /* unique id of charset pair */
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int cp_refcount; /* number of references from other pairs */
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const char * cp_from;
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const char * cp_to;
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void * cp_data;
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struct iconv_converter_class * cp_dcp;
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struct iconv_cspair *cp_base;
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TAILQ_ENTRY(iconv_cspair) cp_link;
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};
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#define KICONV_CONVERTER(name,size) \
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static struct iconv_converter_class iconv_ ## name ## _class = { \
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"iconv_"#name, iconv_ ## name ## _methods, size, NULL \
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}; \
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static moduledata_t iconv_ ## name ## _mod = { \
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"iconv_"#name, iconv_converter_handler, \
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(void*)&iconv_ ## name ## _class \
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}; \
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DECLARE_MODULE(iconv_ ## name, iconv_ ## name ## _mod, SI_SUB_DRIVERS, SI_ORDER_ANY);
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#define KICONV_CES(name,size) \
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static DEFINE_CLASS(iconv_ces_ ## name, iconv_ces_ ## name ## _methods, (size)); \
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static moduledata_t iconv_ces_ ## name ## _mod = { \
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"iconv_ces_"#name, iconv_cesmod_handler, \
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(void*)&iconv_ces_ ## name ## _class \
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}; \
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DECLARE_MODULE(iconv_ces_ ## name, iconv_ces_ ## name ## _mod, SI_SUB_DRIVERS, SI_ORDER_ANY);
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#ifdef MALLOC_DECLARE
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MALLOC_DECLARE(M_ICONV);
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#endif
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/*
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* Basic conversion functions
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*/
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int iconv_open(const char *to, const char *from, void **handle);
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int iconv_close(void *handle);
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int iconv_conv(void *handle, const char **inbuf,
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size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
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int iconv_conv_case(void *handle, const char **inbuf,
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size_t *inbytesleft, char **outbuf, size_t *outbytesleft, int casetype);
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int iconv_convchr(void *handle, const char **inbuf,
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size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
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int iconv_convchr_case(void *handle, const char **inbuf,
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size_t *inbytesleft, char **outbuf, size_t *outbytesleft, int casetype);
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int iconv_add(const char *converter, const char *to, const char *from);
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char* iconv_convstr(void *handle, char *dst, const char *src);
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void* iconv_convmem(void *handle, void *dst, const void *src, int size);
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int iconv_vfs_refcount(const char *fsname);
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int towlower(int c, void *handle);
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int towupper(int c, void *handle);
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/*
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* Bridge struct of iconv functions
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*/
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struct iconv_functions {
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int (*open)(const char *to, const char *from, void **handle);
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int (*close)(void *handle);
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int (*conv)(void *handle, const char **inbuf, size_t *inbytesleft,
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char **outbuf, size_t *outbytesleft);
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int (*conv_case)(void *handle, const char **inbuf, size_t *inbytesleft,
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char **outbuf, size_t *outbytesleft, int casetype);
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int (*convchr)(void *handle, const char **inbuf, size_t *inbytesleft,
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char **outbuf, size_t *outbytesleft);
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int (*convchr_case)(void *handle, const char **inbuf, size_t *inbytesleft,
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char **outbuf, size_t *outbytesleft, int casetype);
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};
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#define VFS_DECLARE_ICONV(fsname) \
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static struct iconv_functions fsname ## _iconv_core = { \
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iconv_open, \
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iconv_close, \
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iconv_conv, \
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iconv_conv_case, \
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iconv_convchr, \
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iconv_convchr_case \
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}; \
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extern struct iconv_functions *fsname ## _iconv; \
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static int fsname ## _iconv_mod_handler(module_t mod, \
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int type, void *d); \
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static int \
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fsname ## _iconv_mod_handler(module_t mod, int type, void *d) \
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{ \
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int error = 0; \
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switch(type) { \
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case MOD_LOAD: \
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fsname ## _iconv = & fsname ## _iconv_core; \
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break; \
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case MOD_UNLOAD: \
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error = iconv_vfs_refcount(#fsname); \
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if (error) \
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return (EBUSY); \
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fsname ## _iconv = NULL; \
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break; \
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default: \
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error = EINVAL; \
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break; \
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} \
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return (error); \
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} \
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static moduledata_t fsname ## _iconv_mod = { \
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#fsname"_iconv", \
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fsname ## _iconv_mod_handler, \
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NULL \
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}; \
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DECLARE_MODULE(fsname ## _iconv, fsname ## _iconv_mod, \
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SI_SUB_DRIVERS, SI_ORDER_ANY); \
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MODULE_DEPEND(fsname ## _iconv, fsname, 1, 1, 1); \
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MODULE_DEPEND(fsname ## _iconv, libiconv, 2, 2, 2); \
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MODULE_VERSION(fsname ## _iconv, 1)
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/*
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* Internal functions
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*/
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int iconv_lookupcp(char **cpp, const char *s);
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int iconv_converter_initstub(struct iconv_converter_class *dp);
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int iconv_converter_donestub(struct iconv_converter_class *dp);
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int iconv_converter_tolowerstub(int c, void *handle);
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int iconv_converter_handler(module_t mod, int type, void *data);
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#ifdef ICONV_DEBUG
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#define ICDEBUG(format, ...) printf("%s: "format, __func__ , ## __VA_ARGS__)
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#else
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#define ICDEBUG(format, ...)
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#endif
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#endif /* !_KERNEL */
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#endif /* !_SYS_ICONV_H_ */
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