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/* * iconv implementation using Win32 API to convert. * * This file is placed in the public domain. */ /* for WC_NO_BEST_FIT_CHARS */ #ifndef WINVER # define WINVER 0x0500 #endif #define STRICT #include <windows.h> #include <errno.h> #include <string.h> #include <stdlib.h> /* WORKAROUND: */ #ifndef UNDER_CE #define GetProcAddressA GetProcAddress #endif #if 0 # define MAKE_EXE # define MAKE_DLL # define USE_LIBICONV_DLL #endif #if !defined(DEFAULT_LIBICONV_DLL) # define DEFAULT_LIBICONV_DLL "" #endif #define MB_CHAR_MAX 16 #define UNICODE_MODE_BOM_DONE 1 #define UNICODE_MODE_SWAPPED 2 #define FLAG_USE_BOM 1 #define FLAG_TRANSLIT 2 /* //TRANSLIT */ #define FLAG_IGNORE 4 /* //IGNORE */ typedef unsigned char uchar; typedef unsigned short ushort; typedef unsigned int uint; typedef void* iconv_t; iconv_t iconv_open(const char *tocode, const char *fromcode); int iconv_close(iconv_t cd); size_t iconv(iconv_t cd, char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft); /* libiconv interface for vim */ #if defined(MAKE_DLL) int iconvctl (iconv_t cd, int request, void* argument) { /* not supported */ return 0; } #endif typedef struct compat_t compat_t; typedef struct csconv_t csconv_t; typedef struct rec_iconv_t rec_iconv_t; typedef iconv_t (*f_iconv_open)(const char *tocode, const char *fromcode); typedef int (*f_iconv_close)(iconv_t cd); typedef size_t (*f_iconv)(iconv_t cd, char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft); typedef int* (*f_errno)(void); typedef int (*f_mbtowc)(csconv_t *cv, const uchar *buf, int bufsize, ushort *wbuf, int *wbufsize); typedef int (*f_wctomb)(csconv_t *cv, ushort *wbuf, int wbufsize, uchar *buf, int bufsize); typedef int (*f_mblen)(csconv_t *cv, const uchar *buf, int bufsize); typedef int (*f_flush)(csconv_t *cv, uchar *buf, int bufsize); #define COMPAT_IN 1 #define COMPAT_OUT 2 /* unicode mapping for compatibility with other conversion table. */ struct compat_t { uint in; uint out; uint flag; }; struct csconv_t { int codepage; int flags; f_mbtowc mbtowc; f_wctomb wctomb; f_mblen mblen; f_flush flush; DWORD mode; compat_t *compat; }; struct rec_iconv_t { iconv_t cd; f_iconv_close iconv_close; f_iconv iconv; f_errno _errno; csconv_t from; csconv_t to; #if defined(USE_LIBICONV_DLL) HMODULE hlibiconv; #endif }; static int win_iconv_open(rec_iconv_t *cd, const char *tocode, const char *fromcode); static int win_iconv_close(iconv_t cd); static size_t win_iconv(iconv_t cd, char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft); static int load_mlang(); static int make_csconv(const char *name, csconv_t *cv); static int name_to_codepage(const char *name); static uint utf16_to_ucs4(const ushort *wbuf); static void ucs4_to_utf16(uint wc, ushort *wbuf, int *wbufsize); static int mbtowc_flags(int codepage); static int must_use_null_useddefaultchar(int codepage); static char *strrstr(const char *str, const char *token); static char *xstrndup(const char *s, size_t n); static int seterror(int err); #if defined(USE_LIBICONV_DLL) static int libiconv_iconv_open(rec_iconv_t *cd, const char *tocode, const char *fromcode); static PVOID MyImageDirectoryEntryToData(LPVOID Base, BOOLEAN MappedAsImage, USHORT DirectoryEntry, PULONG Size); static HMODULE find_imported_module_by_funcname(HMODULE hModule, const char *funcname); static HMODULE hwiniconv; #endif static int sbcs_mblen(csconv_t *cv, const uchar *buf, int bufsize); static int dbcs_mblen(csconv_t *cv, const uchar *buf, int bufsize); static int mbcs_mblen(csconv_t *cv, const uchar *buf, int bufsize); static int utf8_mblen(csconv_t *cv, const uchar *buf, int bufsize); static int eucjp_mblen(csconv_t *cv, const uchar *buf, int bufsize); static int kernel_mbtowc(csconv_t *cv, const uchar *buf, int bufsize, ushort *wbuf, int *wbufsize); static int kernel_wctomb(csconv_t *cv, ushort *wbuf, int wbufsize, uchar *buf, int bufsize); static int mlang_mbtowc(csconv_t *cv, const uchar *buf, int bufsize, ushort *wbuf, int *wbufsize); static int mlang_wctomb(csconv_t *cv, ushort *wbuf, int wbufsize, uchar *buf, int bufsize); static int utf16_mbtowc(csconv_t *cv, const uchar *buf, int bufsize, ushort *wbuf, int *wbufsize); static int utf16_wctomb(csconv_t *cv, ushort *wbuf, int wbufsize, uchar *buf, int bufsize); static int utf32_mbtowc(csconv_t *cv, const uchar *buf, int bufsize, ushort *wbuf, int *wbufsize); static int utf32_wctomb(csconv_t *cv, ushort *wbuf, int wbufsize, uchar *buf, int bufsize); static int iso2022jp_mbtowc(csconv_t *cv, const uchar *buf, int bufsize, ushort *wbuf, int *wbufsize); static int iso2022jp_wctomb(csconv_t *cv, ushort *wbuf, int wbufsize, uchar *buf, int bufsize); static int iso2022jp_flush(csconv_t *cv, uchar *buf, int bufsize); static struct { int codepage; const char *name; } codepage_alias[] = { {65001, "CP65001"}, {65001, "UTF8"}, {65001, "UTF-8"}, {1200, "CP1200"}, {1200, "UTF16LE"}, {1200, "UTF-16LE"}, {1200, "UCS2LE"}, {1200, "UCS-2LE"}, {1201, "CP1201"}, {1201, "UTF16BE"}, {1201, "UTF-16BE"}, {1201, "UCS2BE"}, {1201, "UCS-2BE"}, {1201, "unicodeFFFE"}, {12000, "CP12000"}, {12000, "UTF32LE"}, {12000, "UTF-32LE"}, {12000, "UCS4LE"}, {12000, "UCS-4LE"}, {12001, "CP12001"}, {12001, "UTF32BE"}, {12001, "UTF-32BE"}, {12001, "UCS4BE"}, {12001, "UCS-4BE"}, #ifndef GLIB_COMPILATION /* * Default is big endian. * See rfc2781 4.3 Interpreting text labelled as UTF-16. */ {1201, "UTF16"}, {1201, "UTF-16"}, {1201, "UCS2"}, {1201, "UCS-2"}, {12001, "UTF32"}, {12001, "UTF-32"}, {12001, "UCS-4"}, {12001, "UCS4"}, #else /* Default is little endian, because the platform is */ {1200, "UTF16"}, {1200, "UTF-16"}, {1200, "UCS2"}, {1200, "UCS-2"}, {12000, "UTF32"}, {12000, "UTF-32"}, {12000, "UCS4"}, {12000, "UCS-4"}, #endif /* copy from libiconv `iconv -l` */ /* !IsValidCodePage(367) */ {20127, "ANSI_X3.4-1968"}, {20127, "ANSI_X3.4-1986"}, {20127, "ASCII"}, {20127, "CP367"}, {20127, "IBM367"}, {20127, "ISO-IR-6"}, {20127, "ISO646-US"}, {20127, "ISO_646.IRV:1991"}, {20127, "US"}, {20127, "US-ASCII"}, {20127, "CSASCII"}, /* !IsValidCodePage(819) */ {1252, "CP819"}, {1252, "IBM819"}, {28591, "ISO-8859-1"}, {28591, "ISO-IR-100"}, {28591, "ISO8859-1"}, {28591, "ISO_8859-1"}, {28591, "ISO_8859-1:1987"}, {28591, "L1"}, {28591, "LATIN1"}, {28591, "CSISOLATIN1"}, {1250, "CP1250"}, {1250, "MS-EE"}, {1250, "WINDOWS-1250"}, {1251, "CP1251"}, {1251, "MS-CYRL"}, {1251, "WINDOWS-1251"}, {1252, "CP1252"}, {1252, "MS-ANSI"}, {1252, "WINDOWS-1252"}, {1253, "CP1253"}, {1253, "MS-GREEK"}, {1253, "WINDOWS-1253"}, {1254, "CP1254"}, {1254, "MS-TURK"}, {1254, "WINDOWS-1254"}, {1255, "CP1255"}, {1255, "MS-HEBR"}, {1255, "WINDOWS-1255"}, {1256, "CP1256"}, {1256, "MS-ARAB"}, {1256, "WINDOWS-1256"}, {1257, "CP1257"}, {1257, "WINBALTRIM"}, {1257, "WINDOWS-1257"}, {1258, "CP1258"}, {1258, "WINDOWS-1258"}, {850, "850"}, {850, "CP850"}, {850, "IBM850"}, {850, "CSPC850MULTILINGUAL"}, /* !IsValidCodePage(862) */ {862, "862"}, {862, "CP862"}, {862, "IBM862"}, {862, "CSPC862LATINHEBREW"}, {866, "866"}, {866, "CP866"}, {866, "IBM866"}, {866, "CSIBM866"}, /* !IsValidCodePage(154) */ {154, "CP154"}, {154, "CYRILLIC-ASIAN"}, {154, "PT154"}, {154, "PTCP154"}, {154, "CSPTCP154"}, /* !IsValidCodePage(1133) */ {1133, "CP1133"}, {1133, "IBM-CP1133"}, {874, "CP874"}, {874, "WINDOWS-874"}, /* !IsValidCodePage(51932) */ {51932, "