diff options
author | ache <ache@FreeBSD.org> | 2003-07-29 07:52:44 +0000 |
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committer | ache <ache@FreeBSD.org> | 2003-07-29 07:52:44 +0000 |
commit | 2ecc37e2533e5e47d49b7c048283bd8d1938cd0b (patch) | |
tree | b6bddb229476d8c322b60efba79bc0763f215a52 /lib | |
parent | 59cfaf22ea1a1861b05ed505c323bd562e4a4909 (diff) | |
download | FreeBSD-src-2ecc37e2533e5e47d49b7c048283bd8d1938cd0b.zip FreeBSD-src-2ecc37e2533e5e47d49b7c048283bd8d1938cd0b.tar.gz |
Add support for gb18030 encoding
PR: 51729
Submitted by: Kang Liu <liukang@bjpu.edu.cn>
Diffstat (limited to 'lib')
-rw-r--r-- | lib/libc/locale/Makefile.inc | 2 | ||||
-rw-r--r-- | lib/libc/locale/gb18030.c | 166 | ||||
-rw-r--r-- | lib/libc/locale/setrunelocale.c | 3 |
3 files changed, 170 insertions, 1 deletions
diff --git a/lib/libc/locale/Makefile.inc b/lib/libc/locale/Makefile.inc index fb02819..5d00d19 100644 --- a/lib/libc/locale/Makefile.inc +++ b/lib/libc/locale/Makefile.inc @@ -5,7 +5,7 @@ .PATH: ${.CURDIR}/${MACHINE_ARCH}/locale ${.CURDIR}/locale SRCS+= big5.c btowc.c collate.c collcmp.c euc.c fix_grouping.c frune.c \ - gbk.c isctype.c iswctype.c \ + gb18030.c gbk.c isctype.c iswctype.c \ ldpart.c lmessages.c lmonetary.c lnumeric.c localeconv.c mblen.c \ mbrlen.c \ mbrtowc.c mbrune.c mbsinit.c mbsrtowcs.c mbtowc.c mbstowcs.c \ diff --git a/lib/libc/locale/gb18030.c b/lib/libc/locale/gb18030.c new file mode 100644 index 0000000..bfc8275 --- /dev/null +++ b/lib/libc/locale/gb18030.c @@ -0,0 +1,166 @@ +/* + * Copyright (c) 2003 + * The Regents of the University of California. All rights reserved. + * + * This code is contributed to Robin Hu <huxw@knight.6test.edu.cn> + * + * 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 the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <rune.h> +#include <stddef.h> +#include <stdio.h> +#include <stdlib.h> +#include <sys/types.h> + +rune_t _GB18030_sgetrune(const char *, size_t, char const **); +int _GB18030_sputrune(rune_t, char *, size_t, char **); + +int +_GB18030_init(rl) + _RuneLocale *rl; +{ + rl->sgetrune = _GB18030_sgetrune; + rl->sputrune = _GB18030_sputrune; + _CurrentRuneLocale = rl; + __mb_cur_max = 4; + return (0); +} + +static inline int +_gb18030_check_string(s_, n) + const char* s_; + int n; +{ + const unsigned char* s = s_; + if ((s[0]>=0x81&&s[0]<=0xfe)) { + if (n<2) goto bad_string; + if ((s[1]>=0x40&&s[1]<=0x7e)||(s[1]>=0x80&&s[1]<=0xfe)) + return 2; + if ((s[1]>=0x30&&s[1]<=0x39)) { + if (n<4) goto bad_string; + if ((s[2]>=0x81&&s[2]<=0xfe) && (s[3]>=0x30&&s[3]<=0x39)) + return 4; + else + goto bad_string; + } + } else { + return 1; + } + bad_string: + return -1; +} + +static inline int +_gb18030_check_rune(r) + rune_t r; +{ + if (r&0xff000000) { + return 4; + } + if (r&0xff00) { + return 2; + } + return 1; +} + +rune_t +_GB18030_sgetrune(string, n, result) + const char *string; + size_t n; + char const **result; +{ + rune_t rune = 0; + int len; + + len = _gb18030_check_string(string, n); + + if (len == -1) { + if (result) + *result = string; + return (_INVALID_RUNE); + } + + while (--len >= 0) + rune = (rune << 8) | ((u_int)(*string++) & 0xff); + + rune &= 0x7fffffff; + if (result) + *result = string; + return rune; +} + +int +_GB18030_sputrune(c, string, n, result) + rune_t c; + char *string, **result; + size_t n; +{ + int len; + len = _gb18030_check_rune(c); + + switch (len) { + case 1: + if (n >= 1) { + *string = c & 0xff; + if (result) + *result = string + 1; + return (1); + } + break; + case 2: + if (n >= 2) { + string[0] = (c >> 8) & 0xff; + string[1] = c & 0xff; + if (result) + *result = string + 2; + return (2); + } + break; + case 4: + if (n >= 4) { + string[0] = ((c >>24) & 0xff) | 0x80; + string[1] = (c >>16) & 0xff; + string[2] = (c >>8) & 0xff; + string[3] = c & 0xff; + if (result) + *result = string + 4; + return (4); + } + break; + default: + break; + } + if (result) + *result = string; + return (0); +} diff --git a/lib/libc/locale/setrunelocale.c b/lib/libc/locale/setrunelocale.c index df899d4..9cdd7e7 100644 --- a/lib/libc/locale/setrunelocale.c +++ b/lib/libc/locale/setrunelocale.c @@ -54,6 +54,7 @@ extern int _none_init(_RuneLocale *); extern int _UTF2_init(_RuneLocale *); extern int _UTF8_init(_RuneLocale *); extern int _EUC_init(_RuneLocale *); +extern int _GB18030_init(_RuneLocale *); extern int _GBK_init(_RuneLocale *); extern int _BIG5_init(_RuneLocale *); extern int _MSKanji_init(_RuneLocale *); @@ -139,6 +140,8 @@ __setrunelocale(const char *encoding) ret = _UTF8_init(rl); else if (strcmp(rl->encoding, "EUC") == 0) ret = _EUC_init(rl); + else if (strcmp(rl->encoding, "GB18030") == 0) + ret = _GB18030_init(rl); else if (strcmp(rl->encoding, "GBK") == 0) ret = _GBK_init(rl); else if (strcmp(rl->encoding, "BIG5") == 0) |