diff options
Diffstat (limited to 'lib/win32/glib-2.20.4/glib/win_iconv.c')
-rw-r--r-- | lib/win32/glib-2.20.4/glib/win_iconv.c | 1956 |
1 files changed, 0 insertions, 1956 deletions
diff --git a/lib/win32/glib-2.20.4/glib/win_iconv.c b/lib/win32/glib-2.20.4/glib/win_iconv.c deleted file mode 100644 index b69e720bc2..0000000000 --- a/lib/win32/glib-2.20.4/glib/win_iconv.c +++ /dev/null @@ -1,1956 +0,0 @@ -/* - * iconv library implemented with Win32 API. - * - * This file is placed in the public domain. - * - * Maintainer: Yukihiro Nakadaira <yukihiro.nakadaira@gmail.com> - * - * If $WINICONV_LIBICONV_DLL environment variable was defined, win_iconv - * loads the specified DLL dynamically and uses it. If loading the DLL - * or iconv_open() failed, falls back to internal conversion. - * $WINICONV_LIBICONV_DLL is a comma separated list. The first loadable - * DLL is used. The specified DLL should have iconv_open(), - * iconv_close() and iconv() functions. Or these functions can be - * libiconv_open(), libiconv_close() and libiconv(). - * - * Win32 API does not support strict encoding conversion for some - * codepage. And MLang function drop or replace invalid bytes and does - * not return useful error status as iconv. This implementation cannot - * be used for encoding validation purpose. - */ - -/* 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> - -#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_ENDIAN 1 -#define FLAG_TRANSLIT 2 /* //TRANSLIT */ -#define FLAG_IGNORE 4 /* //IGNORE (not implemented) */ - -#define return_error(code) \ - do { \ - errno = code; \ - return -1; \ - } while (0) - -#define xstrlcpy(dst, src, size) \ - do { \ - strncpy(dst, src, size); \ - dst[size - 1] = 0; \ - } while (0) - -#define xstrlcpyn(dst, src, srclen, size) \ - xstrlcpy(dst, src, xmin((srclen) + 1, size)) - -#define xmin(a, b) ((a) < (b) ? (a) : (b)) -#define xmax(a, b) ((a) > (b) ? (a) : (b)) - -#define STATIC_STRLEN(arr) (sizeof(arr) - 1) - -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, const 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, const 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, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft); - -static int load_mlang(); -static csconv_t make_csconv(const char *name); -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 is_unicode(int codepage); -static int mbtowc_flags(int codepage); -static int must_use_null_useddefaultchar(int codepage); -static void check_utf_bom(rec_iconv_t *cd, ushort *wbuf, int *wbufsize); -static char *strrstr(const char *str, const char *token); - -#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; -static HMODULE hlastdll; /* keep dll loaded for efficiency (unnecessary?) */ -#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"}, - {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, "CP51932"}, - {51932, "MS51932"}, - {51932, "WINDOWS-51932"}, - {51932, "EUC-JP"}, - - {932, "CP932"}, - {932, "MS932"}, - {932, "SHIFFT_JIS"}, - {932, "SHIFFT_JIS-MS"}, - {932, "SJIS"}, - {932, "SJIS-MS"}, - {932, "SJIS-OPEN"}, - {932, "SJIS-WIN"}, - {932, "WINDOWS-31J"}, - {932, "WINDOWS-932"}, - {932, "CSWINDOWS31J"}, - - {50221, "CP50221"}, - {50221, "ISO-2022-JP"}, - {50221, "ISO-2022-JP-MS"}, - {50221, "ISO2022-JP"}, - {50221, "ISO2022-JP-MS"}, - {50221, "MS50221"}, - {50221, "WINDOWS-50221"}, - - {936, "CP936"}, - {936, "GBK"}, - {936, "MS936"}, - {936, "WINDOWS-936"}, - - {950, "CP950"}, - {950, "BIG5"}, - - {949, "CP949"}, - {949, "UHC"}, - {949, "EUC-KR"}, - - {1361, "CP1361"}, - {1361, "JOHAB"}, - - {437, "437"}, - {437, "CP437"}, - {437, "IBM437"}, - {437, "CSPC8CODEPAGE437"}, - - {737, "CP737"}, - - {775, "CP775"}, - {775, "IBM775"}, - {775, "CSPC775BALTIC"}, - - {852, "852"}, - {852, "CP852"}, - {852, "IBM852"}, - {852, "CSPCP852"}, - - /* !IsValidCodePage(853) */ - {853, "CP853"}, - - {855, "855"}, - {855, "CP855"}, - {855, "IBM855"}, - {855, "CSIBM855"}, - - {857, "857"}, - {857, "CP857"}, - {857, "IBM857"}, - {857, "CSIBM857"}, - - /* !IsValidCodePage(858) */ - {858, "CP858"}, - - {860, "860"}, - {860, "CP860"}, - {860, "IBM860"}, - {860, "CSIBM860"}, - - {861, "861"}, - {861, "CP-IS"}, - {861, "CP861"}, - {861, "IBM861"}, - {861, "CSIBM861"}, - - {863, "863"}, - {863, "CP863"}, - {863, "IBM863"}, - {863, "CSIBM863"}, - - {864, "CP864"}, - {864, "IBM864"}, - {864, "CSIBM864"}, - - {865, "865"}, - {865, "CP865"}, - {865, "IBM865"}, - {865, "CSIBM865"}, - - {869, "869"}, - {869, "CP-GR"}, - {869, "CP869"}, - {869, "IBM869"}, - {869, "CSIBM869"}, - - /* !IsValidCodePage(1152) */ - {1125, "CP1125"}, - - /* - * Code Page Identifiers - * http://msdn2.microsoft.com/en-us/library/ms776446.aspx - */ - {37, "IBM037"}, /* IBM EBCDIC US-Canada */ - {437, "IBM437"}, /* OEM United States */ - {500, "IBM500"}, /* IBM EBCDIC International */ - {708, "ASMO-708"}, /* Arabic (ASMO 708) */ - /* 709 Arabic (ASMO-449+, BCON V4) */ - /* 710 Arabic - Transparent Arabic */ - {720, "DOS-720"}, /* Arabic (Transparent ASMO); Arabic (DOS) */ - {737, "ibm737"}, /* OEM Greek (formerly 437G); Greek (DOS) */ - {775, "ibm775"}, /* OEM Baltic; Baltic (DOS) */ - {850, "ibm850"}, /* OEM Multilingual Latin 1; Western European (DOS) */ - {852, "ibm852"}, /* OEM Latin 2; Central European (DOS) */ - {855, "IBM855"}, /* OEM Cyrillic (primarily Russian) */ - {857, "ibm857"}, /* OEM Turkish; Turkish (DOS) */ - {858, "IBM00858"}, /* OEM Multilingual Latin 1 + Euro symbol */ - {860, "IBM860"}, /* OEM Portuguese; Portuguese (DOS) */ - {861, "ibm861"}, /* OEM Icelandic; Icelandic (DOS) */ - {862, "DOS-862"}, /* OEM Hebrew; Hebrew (DOS) */ - {863, "IBM863"}, /* OEM French Canadian; French Canadian (DOS) */ - {864, "IBM864"}, /* OEM Arabic; Arabic (864) */ - {865, "IBM865"}, /* OEM Nordic; Nordic (DOS) */ - {866, "cp866"}, /* OEM Russian; Cyrillic (DOS) */ - {869, "ibm869"}, /* OEM Modern Greek; Greek, Modern (DOS) */ - {870, "IBM870"}, /* IBM EBCDIC Multilingual/ROECE (Latin 2); IBM EBCDIC Multilingual Latin 2 */ - {874, "windows-874"}, /* ANSI/OEM Thai (same as 28605, ISO 8859-15); Thai (Windows) */ - {875, "cp875"}, /* IBM EBCDIC Greek Modern */ - {932, "shift_jis"}, /* ANSI/OEM Japanese; Japanese (Shift-JIS) */ - {932, "shift-jis"}, /* alternative name for it */ - {936, "gb2312"}, /* ANSI/OEM Simplified Chinese (PRC, Singapore); Chinese Simplified (GB2312) */ - {949, "ks_c_5601-1987"}, /* ANSI/OEM Korean (Unified Hangul Code) */ - {950, "big5"}, /* ANSI/OEM Traditional Chinese (Taiwan; Hong Kong SAR, PRC); Chinese Traditional (Big5) */ - {1026, "IBM1026"}, /* IBM EBCDIC Turkish (Latin 5) */ - {1047, "IBM01047"}, /* IBM EBCDIC Latin 1/Open System */ - {1140, "IBM01140"}, /* IBM EBCDIC US-Canada (037 + Euro symbol); IBM EBCDIC (US-Canada-Euro) */ - {1141, "IBM01141"}, /* IBM EBCDIC Germany (20273 + Euro symbol); IBM EBCDIC (Germany-Euro) */ - {1142, "IBM01142"}, /* IBM EBCDIC Denmark-Norway (20277 + Euro symbol); IBM EBCDIC (Denmark-Norway-Euro) */ - {1143, "IBM01143"}, /* IBM EBCDIC Finland-Sweden (20278 + Euro symbol); IBM EBCDIC (Finland-Sweden-Euro) */ - {1144, "IBM01144"}, /* IBM EBCDIC Italy (20280 + Euro symbol); IBM EBCDIC (Italy-Euro) */ - {1145, "IBM01145"}, /* IBM EBCDIC Latin America-Spain (20284 + Euro symbol); IBM EBCDIC (Spain-Euro) */ - {1146, "IBM01146"}, /* IBM EBCDIC United Kingdom (20285 + Euro symbol); IBM EBCDIC (UK-Euro) */ - {1147, "IBM01147"}, /* IBM EBCDIC France (20297 + Euro symbol); IBM EBCDIC (France-Euro) */ - {1148, "IBM01148"}, /* IBM EBCDIC International (500 + Euro symbol); IBM EBCDIC (International-Euro) */ - {1149, "IBM01149"}, /* IBM EBCDIC Icelandic (20871 + Euro symbol); IBM EBCDIC (Icelandic-Euro) */ - {1250, "windows-1250"}, /* ANSI Central European; Central European (Windows) */ - {1251, "windows-1251"}, /* ANSI Cyrillic; Cyrillic (Windows) */ - {1252, "windows-1252"}, /* ANSI Latin 1; Western European (Windows) */ - {1253, "windows-1253"}, /* ANSI Greek; Greek (Windows) */ - {1254, "windows-1254"}, /* ANSI Turkish; Turkish (Windows) */ - {1255, "windows-1255"}, /* ANSI Hebrew; Hebrew (Windows) */ - {1256, "windows-1256"}, /* ANSI Arabic; Arabic (Windows) */ - {1257, "windows-1257"}, /* ANSI Baltic; Baltic (Windows) */ - {1258, "windows-1258"}, /* ANSI/OEM Vietnamese; Vietnamese (Windows) */ - {1361, "Johab"}, /* Korean (Johab) */ - {10000, "macintosh"}, /* MAC Roman; Western European (Mac) */ - {10001, "x-mac-japanese"}, /* Japanese (Mac) */ - {10002, "x-mac-chinesetrad"}, /* MAC Traditional Chinese (Big5); Chinese Traditional (Mac) */ - {10003, "x-mac-korean"}, /* Korean (Mac) */ - {10004, "x-mac-arabic"}, /* Arabic (Mac) */ - {10005, "x-mac-hebrew"}, /* Hebrew (Mac) */ - {10006, "x-mac-greek"}, /* Greek (Mac) */ - {10007, "x-mac-cyrillic"}, /* Cyrillic (Mac) */ - {10008, "x-mac-chinesesimp"}, /* MAC Simplified Chinese (GB 2312); Chinese Simplified (Mac) */ - {10010, "x-mac-romanian"}, /* Romanian (Mac) */ - {10017, "x-mac-ukrainian"}, /* Ukrainian (Mac) */ - {10021, "x-mac-thai"}, /* Thai (Mac) */ - {10029, "x-mac-ce"}, /* MAC Latin 2; Central European (Mac) */ - {10079, "x-mac-icelandic"}, /* Icelandic (Mac) */ - {10081, "x-mac-turkish"}, /* Turkish (Mac) */ - {10082, "x-mac-croatian"}, /* Croatian (Mac) */ - {20000, "x-Chinese_CNS"}, /* CNS Taiwan; Chinese Traditional (CNS) */ - {20001, "x-cp20001"}, /* TCA Taiwan */ - {20002, "x_Chinese-Eten"}, /* Eten Taiwan; Chinese Traditional (Eten) */ - {20003, "x-cp20003"}, /* IBM5550 Taiwan */ - {20004, "x-cp20004"}, /* TeleText Taiwan */ - {20005, "x-cp20005"}, /* Wang Taiwan */ - {20105, "x-IA5"}, /* IA5 (IRV International Alphabet No. 5, 7-bit); Western European (IA5) */ - {20106, "x-IA5-German"}, /* IA5 German (7-bit) */ - {20107, "x-IA5-Swedish"}, /* IA5 Swedish (7-bit) */ - {20108, "x-IA5-Norwegian"}, /* IA5 Norwegian (7-bit) */ - {20127, "us-ascii"}, /* US-ASCII (7-bit) */ - {20261, "x-cp20261"}, /* T.61 */ - {20269, "x-cp20269"}, /* ISO 6937 Non-Spacing Accent */ - {20273, "IBM273"}, /* IBM EBCDIC Germany */ - {20277, "IBM277"}, /* IBM EBCDIC Denmark-Norway */ - {20278, "IBM278"}, /* IBM EBCDIC Finland-Sweden */ - {20280, "IBM280"}, /* IBM EBCDIC Italy */ - {20284, "IBM284"}, /* IBM EBCDIC Latin America-Spain */ - {20285, "IBM285"}, /* IBM EBCDIC United Kingdom */ - {20290, "IBM290"}, /* IBM EBCDIC Japanese Katakana Extended */ - {20297, "IBM297"}, /* IBM EBCDIC France */ - {20420, "IBM420"}, /* IBM EBCDIC Arabic */ - {20423, "IBM423"}, /* IBM EBCDIC Greek */ - {20424, "IBM424"}, /* IBM EBCDIC Hebrew */ - {20833, "x-EBCDIC-KoreanExtended"}, /* IBM EBCDIC Korean Extended */ - {20838, "IBM-Thai"}, /* IBM EBCDIC Thai */ - {20866, "koi8-r"}, /* Russian (KOI8-R); Cyrillic (KOI8-R) */ - {20871, "IBM871"}, /* IBM EBCDIC Icelandic */ - {20880, "IBM880"}, /* IBM EBCDIC Cyrillic Russian */ - {20905, "IBM905"}, /* IBM EBCDIC Turkish */ - {20924, "IBM00924"}, /* IBM EBCDIC Latin 1/Open System (1047 + Euro symbol) */ - {20932, "EUC-JP"}, /* Japanese (JIS 0208-1990 and 0121-1990) */ - {20936, "x-cp20936"}, /* Simplified Chinese (GB2312); Chinese Simplified (GB2312-80) */ - {20949, "x-cp20949"}, /* Korean Wansung */ - {21025, "cp1025"}, /* IBM EBCDIC Cyrillic Serbian-Bulgarian */ - /* 21027 (deprecated) */ - {21866, "koi8-u"}, /* Ukrainian (KOI8-U); Cyrillic (KOI8-U) */ - {28591, "iso-8859-1"}, /* ISO 8859-1 Latin 1; Western European (ISO) */ - {28591, "iso8859-1"}, /* ISO 8859-1 Latin 1; Western European (ISO) */ - {28592, "iso-8859-2"}, /* ISO 8859-2 Central European; Central European (ISO) */ - {28592, "iso8859-2"}, /* ISO 8859-2 Central European; Central European (ISO) */ - {28593, "iso-8859-3"}, /* ISO 8859-3 Latin 3 */ - {28593, "iso8859-3"}, /* ISO 8859-3 Latin 3 */ - {28594, "iso-8859-4"}, /* ISO 8859-4 Baltic */ - {28594, "iso8859-4"}, /* ISO 8859-4 Baltic */ - {28595, "iso-8859-5"}, /* ISO 8859-5 Cyrillic */ - {28595, "iso8859-5"}, /* ISO 8859-5 Cyrillic */ - {28596, "iso-8859-6"}, /* ISO 8859-6 Arabic */ - {28596, "iso8859-6"}, /* ISO 8859-6 Arabic */ - {28597, "iso-8859-7"}, /* ISO 8859-7 Greek */ - {28597, "iso8859-7"}, /* ISO 8859-7 Greek */ - {28598, "iso-8859-8"}, /* ISO 8859-8 Hebrew; Hebrew (ISO-Visual) */ - {28598, "iso8859-8"}, /* ISO 8859-8 Hebrew; Hebrew (ISO-Visual) */ - {28599, "iso-8859-9"}, /* ISO 8859-9 Turkish */ - {28599, "iso8859-9"}, /* ISO 8859-9 Turkish */ - {28603, "iso-8859-13"}, /* ISO 8859-13 Estonian */ - {28603, "iso8859-13"}, /* ISO 8859-13 Estonian */ - {28605, "iso-8859-15"}, /* ISO 8859-15 Latin 9 */ - {28605, "iso8859-15"}, /* ISO 8859-15 Latin 9 */ - {29001, "x-Europa"}, /* Europa 3 */ - {38598, "iso-8859-8-i"}, /* ISO 8859-8 Hebrew; Hebrew (ISO-Logical) */ - {38598, "iso8859-8-i"}, /* ISO 8859-8 Hebrew; Hebrew (ISO-Logical) */ - {50220, "iso-2022-jp"}, /* ISO 2022 Japanese with no halfwidth Katakana; Japanese (JIS) */ - {50221, "csISO2022JP"}, /* ISO 2022 Japanese with halfwidth Katakana; Japanese (JIS-Allow 1 byte Kana) */ - {50222, "iso-2022-jp"}, /* ISO 2022 Japanese JIS X 0201-1989; Japanese (JIS-Allow 1 byte Kana - SO/SI) */ - {50225, "iso-2022-kr"}, /* ISO 2022 Korean */ - {50225, "iso2022-kr"}, /* ISO 2022 Korean */ - {50227, "x-cp50227"}, /* ISO 2022 Simplified Chinese; Chinese Simplified (ISO 2022) */ - /* 50229 ISO 2022 Traditional Chinese */ - /* 50930 EBCDIC Japanese (Katakana) Extended */ - /* 50931 EBCDIC US-Canada and Japanese */ - /* 50933 EBCDIC Korean Extended and Korean */ - /* 50935 EBCDIC Simplified Chinese Extended and Simplified Chinese */ - /* 50936 EBCDIC Simplified Chinese */ - /* 50937 EBCDIC US-Canada and Traditional Chinese */ - /* 50939 EBCDIC Japanese (Latin) Extended and Japanese */ - {51932, "euc-jp"}, /* EUC Japanese */ - {51936, "EUC-CN"}, /* EUC Simplified Chinese; Chinese Simplified (EUC) */ - {51949, "euc-kr"}, /* EUC Korean */ - /* 51950 EUC Traditional Chinese */ - {52936, "hz-gb-2312"}, /* HZ-GB2312 Simplified Chinese; Chinese Simplified (HZ) */ - {54936, "GB18030"}, /* Windows XP and later: GB18030 Simplified Chinese (4 byte); Chinese Simplified (GB18030) */ - {57002, "x-iscii-de"}, /* ISCII Devanagari */ - {57003, "x-iscii-be"}, /* ISCII Bengali */ - {57004, "x-iscii-ta"}, /* ISCII Tamil */ - {57005, "x-iscii-te"}, /* ISCII Telugu */ - {57006, "x-iscii-as"}, /* ISCII Assamese */ - {57007, "x-iscii-or"}, /* ISCII Oriya */ - {57008, "x-iscii-ka"}, /* ISCII Kannada */ - {57009, "x-iscii-ma"}, /* ISCII Malayalam */ - {57010, "x-iscii-gu"}, /* ISCII Gujarati */ - {57011, "x-iscii-pa"}, /* ISCII Punjabi */ - - {0, NULL} -}; - -/* - * SJIS SHIFTJIS table CP932 table - * ---- --------------------------- -------------------------------- - * 5C U+00A5 YEN SIGN U+005C REVERSE SOLIDUS - * 7E U+203E OVERLINE U+007E TILDE - * 815C U+2014 EM DASH U+2015 HORIZONTAL BAR - * 815F U+005C REVERSE SOLIDUS U+FF3C FULLWIDTH REVERSE SOLIDUS - * 8160 U+301C WAVE DASH U+FF5E FULLWIDTH TILDE - * 8161 U+2016 DOUBLE VERTICAL LINE U+2225 PARALLEL TO - * 817C U+2212 MINUS SIGN U+FF0D FULLWIDTH HYPHEN-MINUS - * 8191 U+00A2 CENT SIGN U+FFE0 FULLWIDTH CENT SIGN - * 8192 U+00A3 POUND SIGN U+FFE1 FULLWIDTH POUND SIGN - * 81CA U+00AC NOT SIGN U+FFE2 FULLWIDTH NOT SIGN - * - * EUC-JP and ISO-2022-JP should be compatible with CP932. - * - * Kernel and MLang have different Unicode mapping table. Make sure - * which API is used. - */ -static compat_t cp932_compat[] = { - {0x00A5, 0x005C, COMPAT_OUT}, - {0x203E, 0x007E, COMPAT_OUT}, - {0x2014, 0x2015, COMPAT_OUT}, - {0x301C, 0xFF5E, COMPAT_OUT}, - {0x2016, 0x2225, COMPAT_OUT}, - {0x2212, 0xFF0D, COMPAT_OUT}, - {0x00A2, 0xFFE0, COMPAT_OUT}, - {0x00A3, 0xFFE1, COMPAT_OUT}, - {0x00AC, 0xFFE2, COMPAT_OUT}, - {0, 0, 0} -}; - -static compat_t cp20932_compat[] = { - {0x00A5, 0x005C, COMPAT_OUT}, - {0x203E, 0x007E, COMPAT_OUT}, - {0x2014, 0x2015, COMPAT_OUT}, - {0xFF5E, 0x301C, COMPAT_OUT|COMPAT_IN}, - {0x2225, 0x2016, COMPAT_OUT|COMPAT_IN}, - {0xFF0D, 0x2212, COMPAT_OUT|COMPAT_IN}, - {0xFFE0, 0x00A2, COMPAT_OUT|COMPAT_IN}, - {0xFFE1, 0x00A3, COMPAT_OUT|COMPAT_IN}, - {0xFFE2, 0x00AC, COMPAT_OUT|COMPAT_IN}, - {0, 0, 0} -}; - -static compat_t *cp51932_compat = cp932_compat; - -/* cp20932_compat for kernel. cp932_compat for mlang. */ -static compat_t *cp5022x_compat = cp932_compat; - -typedef HRESULT (WINAPI *CONVERTINETSTRING)( - LPDWORD lpdwMode, - DWORD dwSrcEncoding, - DWORD dwDstEncoding, - LPCSTR lpSrcStr, - LPINT lpnSrcSize, - LPBYTE lpDstStr, - LPINT lpnDstSize -); -typedef HRESULT (WINAPI *CONVERTINETMULTIBYTETOUNICODE)( - LPDWORD lpdwMode, - DWORD dwSrcEncoding, - LPCSTR lpSrcStr, - LPINT lpnMultiCharCount, - LPWSTR lpDstStr, - LPINT lpnWideCharCount -); -typedef HRESULT (WINAPI *CONVERTINETUNICODETOMULTIBYTE)( - LPDWORD lpdwMode, - DWORD dwEncoding, - LPCWSTR lpSrcStr, - LPINT lpnWideCharCount, - LPSTR lpDstStr, - LPINT lpnMultiCharCount -); -typedef HRESULT (WINAPI *ISCONVERTINETSTRINGAVAILABLE)( - DWORD dwSrcEncoding, - DWORD dwDstEncoding -); -typedef HRESULT (WINAPI *LCIDTORFC1766A)( - LCID Locale, - LPSTR pszRfc1766, - int nChar -); -typedef HRESULT (WINAPI *LCIDTORFC1766W)( - LCID Locale, - LPWSTR pszRfc1766, - int nChar -); -typedef HRESULT (WINAPI *RFC1766TOLCIDA)( - LCID *pLocale, - LPSTR pszRfc1766 -); -typedef HRESULT (WINAPI *RFC1766TOLCIDW)( - LCID *pLocale, - LPWSTR pszRfc1766 -); -static CONVERTINETSTRING ConvertINetString; -static CONVERTINETMULTIBYTETOUNICODE ConvertINetMultiByteToUnicode; -static CONVERTINETUNICODETOMULTIBYTE ConvertINetUnicodeToMultiByte; -static ISCONVERTINETSTRINGAVAILABLE IsConvertINetStringAvailable; -static LCIDTORFC1766A LcidToRfc1766A; -static RFC1766TOLCIDA Rfc1766ToLcidA; - -static int -load_mlang() -{ - HMODULE h; - if (ConvertINetString != NULL) - return TRUE; - h = LoadLibrary("mlang.dll"); - if (!h) - return FALSE; - ConvertINetString = (CONVERTINETSTRING)GetProcAddress(h, "ConvertINetString"); - ConvertINetMultiByteToUnicode = (CONVERTINETMULTIBYTETOUNICODE)GetProcAddress(h, "ConvertINetMultiByteToUnicode"); - ConvertINetUnicodeToMultiByte = (CONVERTINETUNICODETOMULTIBYTE)GetProcAddress(h, "ConvertINetUnicodeToMultiByte"); - IsConvertINetStringAvailable = (ISCONVERTINETSTRINGAVAILABLE)GetProcAddress(h, "IsConvertINetStringAvailable"); - LcidToRfc1766A = (LCIDTORFC1766A)GetProcAddress(h, "LcidToRfc1766A"); - Rfc1766ToLcidA = (RFC1766TOLCIDA)GetProcAddress(h, "Rfc1766ToLcidA"); - return TRUE; -} - -iconv_t -iconv_open(const char *tocode, const char *fromcode) -{ - rec_iconv_t *cd; - - cd = (rec_iconv_t *)calloc(1, sizeof(rec_iconv_t)); - if (cd == NULL) - { - errno = ENOMEM; - return (iconv_t)(-1); - } - -#if defined(USE_LIBICONV_DLL) - if (libiconv_iconv_open(cd, tocode, fromcode)) - return (iconv_t)cd; -#endif - - if (win_iconv_open(cd, tocode, fromcode)) - return (iconv_t)cd; - - free(cd); - errno = EINVAL; - return (iconv_t)(-1); -} - -int -iconv_close(iconv_t _cd) -{ - rec_iconv_t *cd = (rec_iconv_t *)_cd; - int r = cd->iconv_close(cd->cd); - int e = *(cd->_errno()); -#if defined(USE_LIBICONV_DLL) - if (cd->hlibiconv != NULL) - FreeLibrary(cd->hlibiconv); -#endif - free(cd); - errno = e; - return r; -} - -size_t -iconv(iconv_t _cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft) -{ - rec_iconv_t *cd = (rec_iconv_t *)_cd; - size_t r = cd->iconv(cd->cd, inbuf, inbytesleft, outbuf, outbytesleft); - errno = *(cd->_errno()); - return r; -} - -static int -win_iconv_open(rec_iconv_t *cd, const char *tocode, const char *fromcode) -{ - cd->from = make_csconv(fromcode); - cd->to = make_csconv(tocode); - if (cd->from.codepage == -1 || cd->to.codepage == -1) - return FALSE; - cd->iconv_close = win_iconv_close; - cd->iconv = win_iconv; - cd->_errno = _errno; - cd->cd = (iconv_t)cd; - return TRUE; -} - -static int -win_iconv_close(iconv_t cd) -{ - return 0; -} - -static size_t -win_iconv(iconv_t _cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft) -{ - rec_iconv_t *cd = (rec_iconv_t *)_cd; - ushort wbuf[MB_CHAR_MAX]; /* enough room for one character */ - int insize; - int outsize; - int wsize; - DWORD mode; - uint wc; - compat_t *cp; - int i; - - if (inbuf == NULL || *inbuf == NULL) - { - if (outbuf != NULL && *outbuf != NULL && cd->to.flush != NULL) - { - outsize = cd->to.flush(&cd->to, (uchar *)*outbuf, *outbytesleft); - if (outsize == -1) - return (size_t)(-1); - *outbuf += outsize; - *outbytesleft -= outsize; - } - if (is_unicode(cd->from.codepage) && (cd->from.mode & UNICODE_MODE_SWAPPED)) - cd->from.codepage ^= 1; - cd->from.mode = 0; - cd->to.mode = 0; - return 0; - } - - while (*inbytesleft != 0) - { - mode = cd->from.mode; - wsize = MB_CHAR_MAX; - - insize = cd->from.mbtowc(&cd->from, (const uchar *)*inbuf, *inbytesleft, wbuf, &wsize); - if (insize == -1) - return (size_t)(-1); - - if (is_unicode(cd->from.codepage) && !(cd->from.mode & UNICODE_MODE_BOM_DONE)) - { - check_utf_bom(cd, wbuf, &wsize); - cd->from.mode |= UNICODE_MODE_BOM_DONE; - } - - if (wsize == 0) - { - *inbuf += insize; - *inbytesleft -= insize; - continue; - } - - if (cd->from.compat != NULL) - { - wc = utf16_to_ucs4(wbuf); - cp = cd->from.compat; - for (i = 0; cp[i].in != 0; ++i) - { - if ((cp[i].flag & COMPAT_IN) && cp[i].out == wc) - { - ucs4_to_utf16(cp[i].in, wbuf, &wsize); - break; - } - } - } - - if (cd->to.compat != NULL) - { - wc = utf16_to_ucs4(wbuf); - cp = cd->to.compat; - for (i = 0; cp[i].in != 0; ++i) - { - if ((cp[i].flag & COMPAT_OUT) && cp[i].in == wc) - { - ucs4_to_utf16(cp[i].out, wbuf, &wsize); - break; - } - } - } - - outsize = cd->to.wctomb(&cd->to, wbuf, wsize, (uchar *)*outbuf, *outbytesleft); - if (outsize == -1) - { - cd->from.mode = mode; - return (size_t)(-1); - } - - *inbuf += insize; - *outbuf += outsize; - *inbytesleft -= insize; - *outbytesleft -= outsize; - } - - return 0; -} - -static csconv_t -make_csconv(const char *_name) -{ - CPINFOEX cpinfoex; - csconv_t cv; - int use_compat = TRUE; - int flag = 0; - char name[128]; - char *p; - - xstrlcpy(name, _name, sizeof(name)); - - /* check for option "enc_name//opt1//opt2" */ - while ((p = strrstr(name, "//")) != NULL) - { - if (_stricmp(p + 2, "nocompat") == 0) - use_compat = FALSE; - else if (_stricmp(p + 2, "translit") == 0) - flag |= FLAG_TRANSLIT; - else if (_stricmp(p + 2, "ignore") == 0) - flag |= FLAG_IGNORE; - *p = 0; - } - - cv.mode = 0; - cv.flags = flag; - cv.mblen = NULL; - cv.flush = NULL; - cv.compat = NULL; - cv.codepage = name_to_codepage(name); - if (cv.codepage == 1200 || cv.codepage == 1201) - { - cv.mbtowc = utf16_mbtowc; - cv.wctomb = utf16_wctomb; - if (_stricmp(name, "UTF-16") == 0 || - _stricmp(name, "UTF16") == 0 || - _stricmp(name, "UCS-2") == 0 || - _stricmp(name, "UCS2") == 0) - cv.flags |= FLAG_USE_BOM_ENDIAN; - } - else if (cv.codepage == 12000 || cv.codepage == 12001) - { - cv.mbtowc = utf32_mbtowc; - cv.wctomb = utf32_wctomb; - if (_stricmp(name, "UTF-32") == 0 || - _stricmp(name, "UTF32") == 0 || - _stricmp(name, "UCS-4") == 0 || - _stricmp(name, "UCS4") == 0) - cv.flags |= FLAG_USE_BOM_ENDIAN; - } - else if (cv.codepage == 65001) - { - cv.mbtowc = kernel_mbtowc; - cv.wctomb = kernel_wctomb; - cv.mblen = utf8_mblen; - } - else if ((cv.codepage == 50220 || cv.codepage == 50221 || cv.codepage == 50222) && load_mlang()) - { - cv.mbtowc = iso2022jp_mbtowc; - cv.wctomb = iso2022jp_wctomb; - cv.flush = iso2022jp_flush; - } - else if (cv.codepage == 51932 && load_mlang()) - { - cv.mbtowc = mlang_mbtowc; - cv.wctomb = mlang_wctomb; - cv.mblen = eucjp_mblen; - } - else if (IsValidCodePage(cv.codepage) - && GetCPInfoEx(cv.codepage, 0, &cpinfoex) != 0) - { - cv.mbtowc = kernel_mbtowc; - cv.wctomb = kernel_wctomb; - if (cpinfoex.MaxCharSize == 1) - cv.mblen = sbcs_mblen; - else if (cpinfoex.MaxCharSize == 2) - cv.mblen = dbcs_mblen; - else - cv.mblen = mbcs_mblen; - } - else - { - /* not supported */ - cv.codepage = -1; - } - if (use_compat) - { - switch (cv.codepage) - { - case 932: cv.compat = cp932_compat; break; - case 20932: cv.compat = cp20932_compat; break; - case 51932: cv.compat = cp51932_compat; break; - case 50220: case 50221: case 50222: cv.compat = cp5022x_compat; break; - } - } - return cv; -} - -static int -name_to_codepage(const char *name) -{ - int i; - - if (*name == '\0' || - strcmp(name, "char") == 0) - return GetACP(); - else if (strcmp(name, "wchar_t") == 0) - return 1200; - else if (_strnicmp(name, "cp", 2) == 0) - return atoi(name + 2); /* CP123 */ - else if ('0' <= name[0] && name[0] <= '9') - return atoi(name); /* 123 */ - else if (_strnicmp(name, "xx", 2) == 0) - return atoi(name + 2); /* XX123 for debug */ - - for (i = 0; codepage_alias[i].name != NULL; ++i) - if (_stricmp(name, codepage_alias[i].name) == 0) - return codepage_alias[i].codepage; - return -1; -} - -/* - * http://www.faqs.org/rfcs/rfc2781.html - */ -static uint -utf16_to_ucs4(const ushort *wbuf) -{ - uint wc = wbuf[0]; - if (0xD800 <= wbuf[0] && wbuf[0] <= 0xDBFF) - wc = ((wbuf[0] & 0x3FF) << 10) + (wbuf[1] & 0x3FF) + 0x10000; - return wc; -} - -static void -ucs4_to_utf16(uint wc, ushort *wbuf, int *wbufsize) -{ - if (wc < 0x10000) - { - wbuf[0] = wc; - *wbufsize = 1; - } - else - { - wc -= 0x10000; - wbuf[0] = 0xD800 | ((wc >> 10) & 0x3FF); - wbuf[1] = 0xDC00 | (wc & 0x3FF); - *wbufsize = 2; - } -} - -static int -is_unicode(int codepage) -{ - return (codepage == 1200 || codepage == 1201 || - codepage == 12000 || codepage == 12001 || - codepage == 65000 || codepage == 65001); -} - -/* - * Check if codepage is one of those for which the dwFlags parameter - * to MultiByteToWideChar() must be zero. Return zero or - * MB_ERR_INVALID_CHARS. The docs in Platform SDK for for Windows - * Server 2003 R2 claims that also codepage 65001 is one of these, but - * that doesn't seem to be the case. The MSDN docs for MSVS2008 leave - * out 65001 (UTF-8), and that indeed seems to be the case on XP, it - * works fine to pass MB_ERR_INVALID_CHARS in dwFlags when converting - * from UTF-8. - */ -static int -mbtowc_flags(int codepage) -{ - return (codepage == 50220 || codepage == 50221 || - codepage == 50222 || codepage == 50225 || - codepage == 50227 || codepage == 50229 || - codepage == 52936 || codepage == 54936 || - (codepage >= 57002 && codepage <= 57011) || - codepage == 65000 || codepage == 42) ? 0 : MB_ERR_INVALID_CHARS; -} - -/* - * Check if codepage is one those for which the lpUsedDefaultChar - * parameter to WideCharToMultiByte() must be NULL. The docs in - * Platform SDK for for Windows Server 2003 R2 claims that this is the - * list below, while the MSDN docs for MSVS2008 claim that it is only - * for 65000 (UTF-7) and 65001 (UTF-8). This time the earlier Platform - * SDK seems to be correct, at least for XP. - */ -static int -must_use_null_useddefaultchar(int codepage) -{ - return (codepage == 65000 || codepage == 65001 || - codepage == 50220 || codepage == 50221 || - codepage == 50222 || codepage == 50225 || - codepage == 50227 || codepage == 50229 || - codepage == 52936 || codepage == 54936 || - (codepage >= 57002 && codepage <= 57011) || - codepage == 42); -} - -static void -check_utf_bom(rec_iconv_t *cd, ushort *wbuf, int *wbufsize) -{ - /* If we have a BOM, trust it, despite what the caller said */ - if (wbuf[0] == 0xFFFE && (cd->from.flags & FLAG_USE_BOM_ENDIAN)) - { - /* swap endian: 1200 <-> 1201 or 12000 <-> 12001 */ - cd->from.codepage ^= 1; - cd->from.mode |= UNICODE_MODE_SWAPPED; - wbuf[0] = 0xFEFF; - } - - /* - * Remove BOM. - * Don't do this if "to" is Unicode, - * except if "to" is UTF-8. - */ - if (wbuf[0] == 0xFEFF && (!is_unicode(cd->to.codepage) || cd->to.codepage == 65001)) - *wbufsize = 0; -} - -static char * -strrstr(const char *str, const char *token) -{ - int len = strlen(token); - const char *p = str + strlen(str); - - while (str <= --p) - if (p[0] == token[0] && strncmp(p, token, len) == 0) - return (char *)p; - return NULL; -} - -#if defined(USE_LIBICONV_DLL) -static int -libiconv_iconv_open(rec_iconv_t *cd, const char *fromcode, const char *tocode) -{ - HMODULE hlibiconv = NULL; - HMODULE hmsvcrt = NULL; - char dllname[_MAX_PATH]; - const char *p; - const char *e; - f_iconv_open _iconv_open; - - /* - * always try to load dll, so that we can switch dll in runtime. - */ - - /* XXX: getenv() can't get variable set by SetEnvironmentVariable() */ - p = getenv("WINICONV_LIBICONV_DLL"); - if (p == NULL) - p = DEFAULT_LIBICONV_DLL; - /* parse comma separated value */ - for ( ; *p != 0; p = (*e == ',') ? e + 1 : e) - { - e = strchr(p, ','); - if (p == e) - continue; - else if (e == NULL) - e = p + strlen(p); - xstrlcpyn(dllname, p, e - p, sizeof(dllname)); - hlibiconv = LoadLibrary(dllname); - if (hlibiconv != NULL) - { - if (hlibiconv == hwiniconv) - { - FreeLibrary(hlibiconv); - hlibiconv = NULL; - continue; - } - break; - } - } - - if (hlastdll != NULL) - { - /* decrement reference count */ - FreeLibrary(hlastdll); - hlastdll = NULL; - } - - if (hlibiconv == NULL) - goto failed; - - hmsvcrt = find_imported_module_by_funcname(hlibiconv, "_errno"); - if (hmsvcrt == NULL) - goto failed; - - _iconv_open = (f_iconv_open)GetProcAddress(hlibiconv, "libiconv_open"); - if (_iconv_open == NULL) - _iconv_open = (f_iconv_open)GetProcAddress(hlibiconv, "iconv_open"); - cd->iconv_close = (f_iconv_close)GetProcAddress(hlibiconv, "libiconv_close"); - if (cd->iconv_close == NULL) - cd->iconv_close = (f_iconv_close)GetProcAddress(hlibiconv, "iconv_close"); - cd->iconv = (f_iconv)GetProcAddress(hlibiconv, "libiconv"); - if (cd->iconv == NULL) - cd->iconv = (f_iconv)GetProcAddress(hlibiconv, "iconv"); - cd->_errno = (f_errno)GetProcAddress(hmsvcrt, "_errno"); - if (_iconv_open == NULL || cd->iconv_close == NULL - || cd->iconv == NULL || cd->_errno == NULL) - goto failed; - - /* increment reference count */ - hlastdll = LoadLibrary(dllname); - - cd->cd = _iconv_open(tocode, fromcode); - if (cd->cd == (iconv_t)(-1)) - goto failed; - - cd->hlibiconv = hlibiconv; - return TRUE; - -failed: - if (hlibiconv != NULL) - FreeLibrary(hlibiconv); - /* do not free hmsvcrt which is obtained by GetModuleHandle() */ - return FALSE; -} - -/* - * Reference: - * http://forums.belution.com/ja/vc/000/234/78s.shtml - * http://nienie.com/~masapico/api_ImageDirectoryEntryToData.html - * - * The formal way is - * imagehlp.h or dbghelp.h - * imagehlp.lib or dbghelp.lib - * ImageDirectoryEntryToData() - */ -#define TO_DOS_HEADER(base) ((PIMAGE_DOS_HEADER)(base)) -#define TO_NT_HEADERS(base) ((PIMAGE_NT_HEADERS)((LPBYTE)(base) + TO_DOS_HEADER(base)->e_lfanew)) -static PVOID -MyImageDirectoryEntryToData(LPVOID Base, BOOLEAN MappedAsImage, USHORT DirectoryEntry, PULONG Size) -{ - /* TODO: MappedAsImage? */ - PIMAGE_DATA_DIRECTORY p; - p = TO_NT_HEADERS(Base)->OptionalHeader.DataDirectory + DirectoryEntry; - if (p->VirtualAddress == 0) { - *Size = 0; - return NULL; - } - *Size = p->Size; - return (PVOID)((LPBYTE)Base + p->VirtualAddress); -} - -static HMODULE -find_imported_module_by_funcname(HMODULE hModule, const char *funcname) -{ - DWORD Base; - ULONG Size; - PIMAGE_IMPORT_DESCRIPTOR Imp; - PIMAGE_THUNK_DATA Name; /* Import Name Table */ - PIMAGE_IMPORT_BY_NAME ImpName; - - Base = (DWORD)hModule; - Imp = MyImageDirectoryEntryToData( - (LPVOID)Base, - TRUE, - IMAGE_DIRECTORY_ENTRY_IMPORT, - &Size); - if (Imp == NULL) - return NULL; - for ( ; Imp->OriginalFirstThunk != 0; ++Imp) - { - Name = (PIMAGE_THUNK_DATA)(Base + Imp->OriginalFirstThunk); - for ( ; Name->u1.Ordinal != 0; ++Name) - { - if (!IMAGE_SNAP_BY_ORDINAL(Name->u1.Ordinal)) - { - ImpName = (PIMAGE_IMPORT_BY_NAME) - (Base + (DWORD)Name->u1.AddressOfData); - if (strcmp((char *)ImpName->Name, funcname) == 0) - return GetModuleHandle((char *)(Base + Imp->Name)); - } - } - } - return NULL; -} -#endif - -static int -sbcs_mblen(csconv_t *cv, const uchar *buf, int bufsize) -{ - return 1; -} - -static int -dbcs_mblen(csconv_t *cv, const uchar *buf, int bufsize) -{ - int len = IsDBCSLeadByteEx(cv->codepage, buf[0]) ? 2 : 1; - if (bufsize < len) - return_error(EINVAL); - return len; -} - -static int -mbcs_mblen(csconv_t *cv, const uchar *buf, int bufsize) -{ - int len = 0; - - if (cv->codepage == 54936) { - if (buf[0] <= 0x7F) len = 1; - else if (buf[0] >= 0x81 && buf[0] <= 0xFE && - bufsize >= 2 && - ((buf[1] >= 0x40 && buf[1] <= 0x7E) || - (buf[1] >= 0x80 && buf[1] <= 0xFE))) len = 2; - else if (buf[0] >= 0x81 && buf[0] <= 0xFE && - bufsize >= 4 && - buf[1] >= 0x30 && buf[1] <= 0x39) len = 4; - else - return_error(EINVAL); - return len; - } - else - return_error(EINVAL); -} - -static int -utf8_mblen(csconv_t *cv, const uchar *buf, int bufsize) -{ - int len = 0; - - if (buf[0] < 0x80) len = 1; - else if ((buf[0] & 0xE0) == 0xC0) len = 2; - else if ((buf[0] & 0xF0) == 0xE0) len = 3; - else if ((buf[0] & 0xF8) == 0xF0) len = 4; - else if ((buf[0] & 0xFC) == 0xF8) len = 5; - else if ((buf[0] & 0xFE) == 0xFC) len = 6; - - if (len == 0) - return_error(EILSEQ); - else if (bufsize < len) - return_error(EINVAL); - return len; -} - -static int -eucjp_mblen(csconv_t *cv, const uchar *buf, int bufsize) -{ - if (buf[0] < 0x80) /* ASCII */ - return 1; - else if (buf[0] == 0x8E) /* JIS X 0201 */ - { - if (bufsize < 2) - return_error(EINVAL); - else if (!(0xA1 <= buf[1] && buf[1] <= 0xDF)) - return_error(EILSEQ); - return 2; - } - else if (buf[0] == 0x8F) /* JIS X 0212 */ - { - if (bufsize < 3) - return_error(EINVAL); - else if (!(0xA1 <= buf[1] && buf[1] <= 0xFE) - || !(0xA1 <= buf[2] && buf[2] <= 0xFE)) - return_error(EILSEQ); - return 3; - } - else /* JIS X 0208 */ - { - if (bufsize < 2) - return_error(EINVAL); - else if (!(0xA1 <= buf[0] && buf[0] <= 0xFE) - || !(0xA1 <= buf[1] && buf[1] <= 0xFE)) - return_error(EILSEQ); - return 2; - } -} - -static int -kernel_mbtowc(csconv_t *cv, const uchar *buf, int bufsize, ushort *wbuf, int *wbufsize) -{ - int len; - - len = cv->mblen(cv, buf, bufsize); - if (len == -1) - return -1; - /* If converting from ASCII, reject 8bit - * chars. MultiByteToWideChar() doesn't. Note that for ASCII we - * know that the mblen function is sbcs_mblen() so len is 1. - */ - if (cv->codepage == 20127 && buf[0] >= 0x80) - return_error(EILSEQ); - *wbufsize = MultiByteToWideChar(cv->codepage, mbtowc_flags (cv->codepage), - (const char *)buf, len, (wchar_t *)wbuf, *wbufsize); - if (*wbufsize == 0) - return_error(EILSEQ); - return len; -} - -static int -kernel_wctomb(csconv_t *cv, ushort *wbuf, int wbufsize, uchar *buf, int bufsize) -{ - BOOL usedDefaultChar = 0; - BOOL *p = NULL; - int flags = 0; - int len; - - if (bufsize == 0) - return_error(E2BIG); - if (!must_use_null_useddefaultchar(cv->codepage)) - { - p = &usedDefaultChar; -#ifdef WC_NO_BEST_FIT_CHARS - if (!(cv->flags & FLAG_TRANSLIT)) - flags |= WC_NO_BEST_FIT_CHARS; -#endif - } - len = WideCharToMultiByte(cv->codepage, flags, - (const wchar_t *)wbuf, wbufsize, (char *)buf, bufsize, NULL, p); - if (len == 0) - { - if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) - return_error(E2BIG); - return_error(EILSEQ); - } - else if (usedDefaultChar) - return_error(EILSEQ); - else if (cv->mblen(cv, buf, len) != len) /* validate result */ - return_error(EILSEQ); - return len; -} - -/* - * It seems that the mode (cv->mode) is fixnum. - * For example, when converting iso-2022-jp(cp50221) to unicode: - * in ascii sequence: mode=0xC42C0000 - * in jisx0208 sequence: mode=0xC42C0001 - * "C42C" is same for each convert session. - * It should be: ((codepage-1)<<16)|state - */ -static int -mlang_mbtowc(csconv_t *cv, const uchar *buf, int bufsize, ushort *wbuf, int *wbufsize) -{ - int len; - int insize; - HRESULT hr; - - len = cv->mblen(cv, buf, bufsize); - if (len == -1) - return -1; - insize = len; - hr = ConvertINetMultiByteToUnicode(&cv->mode, cv->codepage, - (const char *)buf, &insize, (wchar_t *)wbuf, wbufsize); - if (hr != S_OK || insize != len) - return_error(EILSEQ); - return len; -} - -static int -mlang_wctomb(csconv_t *cv, ushort *wbuf, int wbufsize, uchar *buf, int bufsize) -{ - char tmpbuf[MB_CHAR_MAX]; /* enough room for one character */ - int tmpsize = MB_CHAR_MAX; - int insize = wbufsize; - HRESULT hr; - - hr = ConvertINetUnicodeToMultiByte(&cv->mode, cv->codepage, - (const wchar_t *)wbuf, &wbufsize, tmpbuf, &tmpsize); - if (hr != S_OK || insize != wbufsize) - return_error(EILSEQ); - else if (bufsize < tmpsize) - return_error(E2BIG); - else if (cv->mblen(cv, (uchar *)tmpbuf, tmpsize) != tmpsize) - return_error(EILSEQ); - memcpy(buf, tmpbuf, tmpsize); - return tmpsize; -} - -static int -utf16_mbtowc(csconv_t *cv, const uchar *buf, int bufsize, ushort *wbuf, int *wbufsize) -{ - if (bufsize < 2) - return_error(EINVAL); - if (cv->codepage == 1200) /* little endian */ - wbuf[0] = (buf[1] << 8) | buf[0]; - else if (cv->codepage == 1201) /* big endian */ - wbuf[0] = (buf[0] << 8) | buf[1]; - if (0xDC00 <= wbuf[0] && wbuf[0] <= 0xDFFF) - return_error(EILSEQ); - if (0xD800 <= wbuf[0] && wbuf[0] <= 0xDBFF) - { - if (bufsize < 4) - return_error(EINVAL); - if (cv->codepage == 1200) /* little endian */ - wbuf[1] = (buf[3] << 8) | buf[2]; - else if (cv->codepage == 1201) /* big endian */ - wbuf[1] = (buf[2] << 8) | buf[3]; - if (!(0xDC00 <= wbuf[1] && wbuf[1] <= 0xDFFF)) - return_error(EILSEQ); - *wbufsize = 2; - return 4; - } - *wbufsize = 1; - return 2; -} - -static int -utf16_wctomb(csconv_t *cv, ushort *wbuf, int wbufsize, uchar *buf, int bufsize) -{ - if (bufsize < 2) - return_error(E2BIG); - if (cv->codepage == 1200) /* little endian */ - { - buf[0] = (wbuf[0] & 0x00FF); - buf[1] = (wbuf[0] & 0xFF00) >> 8; - } - else if (cv->codepage == 1201) /* big endian */ - { - buf[0] = (wbuf[0] & 0xFF00) >> 8; - buf[1] = (wbuf[0] & 0x00FF); - } - if (0xD800 <= wbuf[0] && wbuf[0] <= 0xDBFF) - { - if (bufsize < 4) - return_error(E2BIG); - if (cv->codepage == 1200) /* little endian */ - { - buf[2] = (wbuf[1] & 0x00FF); - buf[3] = (wbuf[1] & 0xFF00) >> 8; - } - else if (cv->codepage == 1201) /* big endian */ - { - buf[2] = (wbuf[1] & 0xFF00) >> 8; - buf[3] = (wbuf[1] & 0x00FF); - } - return 4; - } - return 2; -} - -static int -utf32_mbtowc(csconv_t *cv, const uchar *buf, int bufsize, ushort *wbuf, int *wbufsize) -{ - uint wc; - - if (bufsize < 4) - return_error(EINVAL); - if (cv->codepage == 12000) /* little endian */ - wc = (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | buf[0]; - else if (cv->codepage == 12001) /* big endian */ - wc = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]; - if ((0xD800 <= wc && wc <= 0xDFFF) || 0x10FFFF < wc) - return_error(EILSEQ); - ucs4_to_utf16(wc, wbuf, wbufsize); - return 4; -} - -static int -utf32_wctomb(csconv_t *cv, ushort *wbuf, int wbufsize, uchar *buf, int bufsize) -{ - uint wc; - - if (bufsize < 4) - return_error(E2BIG); - wc = utf16_to_ucs4(wbuf); - if (cv->codepage == 12000) /* little endian */ - { - buf[0] = wc & 0x000000FF; - buf[1] = (wc & 0x0000FF00) >> 8; - buf[2] = (wc & 0x00FF0000) >> 16; - buf[3] = (wc & 0xFF000000) >> 24; - } - else if (cv->codepage == 12001) /* big endian */ - { - buf[0] = (wc & 0xFF000000) >> 24; - buf[1] = (wc & 0x00FF0000) >> 16; - buf[2] = (wc & 0x0000FF00) >> 8; - buf[3] = wc & 0x000000FF; - } - return 4; -} - -/* - * 50220: ISO 2022 Japanese with no halfwidth Katakana; Japanese (JIS) - * 50221: ISO 2022 Japanese with halfwidth Katakana; Japanese (JIS-Allow - * 1 byte Kana) - * 50222: ISO 2022 Japanese JIS X 0201-1989; Japanese (JIS-Allow 1 byte - * Kana - SO/SI) - * - * MultiByteToWideChar() and WideCharToMultiByte() behave differently - * depending on Windows version. On XP, WideCharToMultiByte() doesn't - * terminate result sequence with ascii escape. But Vista does. - * Use MLang instead. - */ - -#define ISO2022_MODE(cs, shift) (((cs) << 8) | (shift)) -#define ISO2022_MODE_CS(mode) (((mode) >> 8) & 0xFF) -#define ISO2022_MODE_SHIFT(mode) ((mode) & 0xFF) - -#define ISO2022_SI 0 -#define ISO2022_SO 1 - -/* shift in */ -static const char iso2022_SI_seq[] = "\x0F"; -/* shift out */ -static const char iso2022_SO_seq[] = "\x0E"; - -typedef struct iso2022_esc_t iso2022_esc_t; -struct iso2022_esc_t { - const char *esc; - int esc_len; - int len; - int cs; -}; - -#define ISO2022JP_CS_ASCII 0 -#define ISO2022JP_CS_JISX0201_ROMAN 1 -#define ISO2022JP_CS_JISX0201_KANA 2 -#define ISO2022JP_CS_JISX0208_1978 3 -#define ISO2022JP_CS_JISX0208_1983 4 -#define ISO2022JP_CS_JISX0212 5 - -static iso2022_esc_t iso2022jp_esc[] = { - {"\x1B\x28\x42", 3, 1, ISO2022JP_CS_ASCII}, - {"\x1B\x28\x4A", 3, 1, ISO2022JP_CS_JISX0201_ROMAN}, - {"\x1B\x28\x49", 3, 1, ISO2022JP_CS_JISX0201_KANA}, - {"\x1B\x24\x40", 3, 2, ISO2022JP_CS_JISX0208_1983}, /* unify 1978 with 1983 */ - {"\x1B\x24\x42", 3, 2, ISO2022JP_CS_JISX0208_1983}, - {"\x1B\x24\x28\x44", 4, 2, ISO2022JP_CS_JISX0212}, - {NULL, 0, 0, 0} -}; - -static int -iso2022jp_mbtowc(csconv_t *cv, const uchar *buf, int bufsize, ushort *wbuf, int *wbufsize) -{ - iso2022_esc_t *iesc = iso2022jp_esc; - char tmp[MB_CHAR_MAX]; - int insize; - HRESULT hr; - DWORD dummy = 0; - int len; - int esc_len; - int cs; - int shift; - int i; - - if (buf[0] == 0x1B) - { - for (i = 0; iesc[i].esc != NULL; ++i) - { - esc_len = iesc[i].esc_len; - if (bufsize < esc_len) - { - if (strncmp((char *)buf, iesc[i].esc, bufsize) == 0) - return_error(EINVAL); - } - else - { - if (strncmp((char *)buf, iesc[i].esc, esc_len) == 0) - { - cv->mode = ISO2022_MODE(iesc[i].cs, ISO2022_SI); - *wbufsize = 0; - return esc_len; - } - } - } - /* not supported escape sequence */ - return_error(EILSEQ); - } - else if (buf[0] == iso2022_SO_seq[0]) - { - cv->mode = ISO2022_MODE(ISO2022_MODE_CS(cv->mode), ISO2022_SO); - *wbufsize = 0; - return 1; - } - else if (buf[0] == iso2022_SI_seq[0]) - { - cv->mode = ISO2022_MODE(ISO2022_MODE_CS(cv->mode), ISO2022_SI); - *wbufsize = 0; - return 1; - } - - cs = ISO2022_MODE_CS(cv->mode); - shift = ISO2022_MODE_SHIFT(cv->mode); - - /* reset the mode for informal sequence */ - if (buf[0] < 0x20) - { - cs = ISO2022JP_CS_ASCII; - shift = ISO2022_SI; - } - - len = iesc[cs].len; - if (bufsize < len) - return_error(EINVAL); - for (i = 0; i < len; ++i) - if (!(buf[i] < 0x80)) - return_error(EILSEQ); - esc_len = iesc[cs].esc_len; - memcpy(tmp, iesc[cs].esc, esc_len); - if (shift == ISO2022_SO) - { - memcpy(tmp + esc_len, iso2022_SO_seq, 1); - esc_len += 1; - } - memcpy(tmp + esc_len, buf, len); - - if ((cv->codepage == 50220 || cv->codepage == 50221 - || cv->codepage == 50222) && shift == ISO2022_SO) - { - /* XXX: shift-out cannot be used for mbtowc (both kernel and - * mlang) */ - esc_len = iesc[ISO2022JP_CS_JISX0201_KANA].esc_len; - memcpy(tmp, iesc[ISO2022JP_CS_JISX0201_KANA].esc, esc_len); - memcpy(tmp + esc_len, buf, len); - } - - insize = len + esc_len; - hr = ConvertINetMultiByteToUnicode(&dummy, cv->codepage, - (const char *)tmp, &insize, (wchar_t *)wbuf, wbufsize); - if (hr != S_OK || insize != len + esc_len) - return_error(EILSEQ); - - /* Check for conversion error. Assuming defaultChar is 0x3F. */ - /* ascii should be converted from ascii */ - if (wbuf[0] == buf[0] - && cv->mode != ISO2022_MODE(ISO2022JP_CS_ASCII, ISO2022_SI)) - return_error(EILSEQ); - - /* reset the mode for informal sequence */ - if (cv->mode != ISO2022_MODE(cs, shift)) - cv->mode = ISO2022_MODE(cs, shift); - - return len; -} - -static int -iso2022jp_wctomb(csconv_t *cv, ushort *wbuf, int wbufsize, uchar *buf, int bufsize) -{ - iso2022_esc_t *iesc = iso2022jp_esc; - char tmp[MB_CHAR_MAX]; - int tmpsize = MB_CHAR_MAX; - int insize = wbufsize; - HRESULT hr; - DWORD dummy = 0; - int len; - int esc_len; - int cs; - int shift; - int i; - - /* - * MultiByte = [escape sequence] + character + [escape sequence] - * - * Whether trailing escape sequence is added depends on which API is - * used (kernel or MLang, and its version). - */ - hr = ConvertINetUnicodeToMultiByte(&dummy, cv->codepage, - (const wchar_t *)wbuf, &wbufsize, tmp, &tmpsize); - if (hr != S_OK || insize != wbufsize) - return_error(EILSEQ); - else if (bufsize < tmpsize) - return_error(E2BIG); - - if (tmpsize == 1) - { - cs = ISO2022JP_CS_ASCII; - esc_len = 0; - } - else - { - for (i = 1; iesc[i].esc != NULL; ++i) - { - esc_len = iesc[i].esc_len; - if (strncmp(tmp, iesc[i].esc, esc_len) == 0) - { - cs = iesc[i].cs; - break; - } - } - if (iesc[i].esc == NULL) - /* not supported escape sequence */ - return_error(EILSEQ); - } - - shift = ISO2022_SI; - if (tmp[esc_len] == iso2022_SO_seq[0]) - { - shift = ISO2022_SO; - esc_len += 1; - } - - len = iesc[cs].len; - - /* Check for converting error. Assuming defaultChar is 0x3F. */ - /* ascii should be converted from ascii */ - if (cs == ISO2022JP_CS_ASCII && !(wbuf[0] < 0x80)) - return_error(EILSEQ); - else if (tmpsize < esc_len + len) - return_error(EILSEQ); - - if (cv->mode == ISO2022_MODE(cs, shift)) - { - /* remove escape sequence */ - if (esc_len != 0) - memmove(tmp, tmp + esc_len, len); - esc_len = 0; - } - else - { - if (cs == ISO2022JP_CS_ASCII) - { - esc_len = iesc[ISO2022JP_CS_ASCII].esc_len; - memmove(tmp + esc_len, tmp, len); - memcpy(tmp, iesc[ISO2022JP_CS_ASCII].esc, esc_len); - } - if (ISO2022_MODE_SHIFT(cv->mode) == ISO2022_SO) - { - /* shift-in before changing to other mode */ - memmove(tmp + 1, tmp, len + esc_len); - memcpy(tmp, iso2022_SI_seq, 1); - esc_len += 1; - } - } - - if (bufsize < len + esc_len) - return_error(E2BIG); - memcpy(buf, tmp, len + esc_len); - cv->mode = ISO2022_MODE(cs, shift); - return len + esc_len; -} - -static int -iso2022jp_flush(csconv_t *cv, uchar *buf, int bufsize) -{ - iso2022_esc_t *iesc = iso2022jp_esc; - int esc_len; - - if (cv->mode != ISO2022_MODE(ISO2022JP_CS_ASCII, ISO2022_SI)) - { - esc_len = 0; - if (ISO2022_MODE_SHIFT(cv->mode) != ISO2022_SI) - esc_len += 1; - if (ISO2022_MODE_CS(cv->mode) != ISO2022JP_CS_ASCII) - esc_len += iesc[ISO2022JP_CS_ASCII].esc_len; - if (bufsize < esc_len) - return_error(E2BIG); - - esc_len = 0; - if (ISO2022_MODE_SHIFT(cv->mode) != ISO2022_SI) - { - memcpy(buf, iso2022_SI_seq, 1); - esc_len += 1; - } - if (ISO2022_MODE_CS(cv->mode) != ISO2022JP_CS_ASCII) - { - memcpy(buf + esc_len, iesc[ISO2022JP_CS_ASCII].esc, - iesc[ISO2022JP_CS_ASCII].esc_len); - esc_len += iesc[ISO2022JP_CS_ASCII].esc_len; - } - return esc_len; - } - return 0; -} - -#if defined(MAKE_DLL) && defined(USE_LIBICONV_DLL) -BOOL WINAPI -DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpReserved) -{ - switch( fdwReason ) - { - case DLL_PROCESS_ATTACH: - hwiniconv = (HMODULE)hinstDLL; - break; - case DLL_THREAD_ATTACH: - case DLL_THREAD_DETACH: - case DLL_PROCESS_DETACH: - break; - } - return TRUE; -} -#endif - -#if defined(MAKE_EXE) -#include <stdio.h> -#include <fcntl.h> -#include <io.h> -int -main(int argc, char **argv) -{ - char *fromcode = NULL; - char *tocode = NULL; - int i; - char inbuf[BUFSIZ]; - char outbuf[BUFSIZ]; - const char *pin; - char *pout; - size_t inbytesleft; - size_t outbytesleft; - size_t rest = 0; - iconv_t cd; - size_t r; - FILE *in = stdin; - - _setmode(_fileno(stdin), _O_BINARY); - _setmode(_fileno(stdout), _O_BINARY); - - for (i = 1; i < argc; ++i) - { - if (strcmp(argv[i], "-l") == 0) - { - for (i = 0; codepage_alias[i].name != NULL; ++i) - printf("%s\n", codepage_alias[i].name); - return 0; - } - - if (strcmp(argv[i], "-f") == 0) - fromcode = argv[++i]; - else if (strcmp(argv[i], "-t") == 0) - tocode = argv[++i]; - else - { - in = fopen(argv[i], "rb"); - if (in == NULL) - { - fprintf(stderr, "cannot open %s\n", argv[i]); - return 1; - } - break; - } - } - - if (fromcode == NULL || tocode == NULL) - { - printf("usage: %s -f from-enc -t to-enc [file]\n", argv[0]); - return 0; - } - - cd = iconv_open(tocode, fromcode); - if (cd == (iconv_t)(-1)) - { - perror("iconv_open error"); - return 1; - } - - while ((inbytesleft = fread(inbuf + rest, 1, sizeof(inbuf) - rest, in)) != 0 - || rest != 0) - { - inbytesleft += rest; - pin = inbuf; - pout = outbuf; - outbytesleft = sizeof(outbuf); - r = iconv(cd, &pin, &inbytesleft, &pout, &outbytesleft); - fwrite(outbuf, 1, sizeof(outbuf) - outbytesleft, stdout); - if (r == (size_t)(-1) && errno != EINVAL && errno != E2BIG) - { - perror("conversion error"); - return 1; - } - memmove(inbuf, pin, inbytesleft); - rest = inbytesleft; - } - pout = outbuf; - outbytesleft = sizeof(outbuf); - r = iconv(cd, NULL, NULL, &pout, &outbytesleft); - fwrite(outbuf, 1, sizeof(outbuf) - outbytesleft, stdout); - if (r == (size_t)(-1)) - { - perror("conversion error"); - return 1; - } - - iconv_close(cd); - - return 0; -} -#endif - |