mirror of
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Update.
* iconvdata/Makefile (modules): Add ISO-2022-CN. Add link rules for this module. (distribute): Add iso-2022-cn.c and cns11643l2.h. * iconvdata/cns11643l2.h: New file. * iconvdata/iso-2022-cn.c: New file. * iconvdata/gconv-modules: Add entries for ISO-2022-CN module. * iconvdata/cns11643l1.h (cns11643l1_to_ucs4): Make string argument unsigned. (ucs4_to_cns11643l1): Likewise. * iconvdata/euc-tw.c: Correct parameter passed to cns11643l1_to_ucs4. * iconvdata/iso-2022-kr.c: Remove unnecessary test from conversion loop to UCS4. Optimize recognition of escape sequences a bit.
This commit is contained in:
Ulrich Drepper
parent
6d110ca185
commit
15a2315cb4
17
ChangeLog
17
ChangeLog
@ -1,7 +1,20 @@
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1999-12-28 Ulrich Drepper <drepper@cygnus.com>
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1999-12-28 Ulrich Drepper <drepper@cygnus.com>
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* iconvdata/iso-2022-kr.c: Optimize recognition of escape
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* iconvdata/Makefile (modules): Add ISO-2022-CN.
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sequences a bit.
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Add link rules for this module.
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(distribute): Add iso-2022-cn.c and cns11643l2.h.
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* iconvdata/cns11643l2.h: New file.
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* iconvdata/iso-2022-cn.c: New file.
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* iconvdata/gconv-modules: Add entries for ISO-2022-CN module.
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* iconvdata/cns11643l1.h (cns11643l1_to_ucs4): Make string argument
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unsigned.
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(ucs4_to_cns11643l1): Likewise.
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* iconvdata/euc-tw.c: Correct parameter passed to cns11643l1_to_ucs4.
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* iconvdata/iso-2022-kr.c: Remove unnecessary test from conversion
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loop to UCS4.
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Optimize recognition of escape sequences a bit.
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* sysdeps/unix/sysv/linux/alpha/syscalls.list: Remove oldgetrlimit
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* sysdeps/unix/sysv/linux/alpha/syscalls.list: Remove oldgetrlimit
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and oldsetrlimit definitions.
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and oldsetrlimit definitions.
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@ -44,7 +44,8 @@ modules := ISO8859-1 ISO8859-2 ISO8859-3 ISO8859-4 ISO8859-5 \
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GOST_19768-74 GREEK-CCITT GREEK7 GREEK7-OLD INIS INIS-8 \
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GOST_19768-74 GREEK-CCITT GREEK7 GREEK7-OLD INIS INIS-8 \
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INIS-CYRILLIC ISO_6937-2 ISO_2033 ISO_5427 ISO_5427-EXT \
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INIS-CYRILLIC ISO_6937-2 ISO_2033 ISO_5427 ISO_5427-EXT \
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ISO_5428 ISO_10367-BOX MAC-IS MAC-UK NATS-DANO NATS-SEFI \
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ISO_5428 ISO_10367-BOX MAC-IS MAC-UK NATS-DANO NATS-SEFI \
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SAMI-WS2 ISO-IR-197 TIS-620 KOI8-U GBK ISIRI-3342 GBGBK
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SAMI-WS2 ISO-IR-197 TIS-620 KOI8-U GBK ISIRI-3342 GBGBK \
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ISO-2022-CN
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modules.so := $(addsuffix .so, $(modules))
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modules.so := $(addsuffix .so, $(modules))
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@ -73,6 +74,8 @@ $(objpfx)ISO-2022-JP.so: $(objpfx)libJIS.so $(objpfx)libGB.so \
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$(objpfx)libCNS.so $(objpfx)libKSC.so
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$(objpfx)libCNS.so $(objpfx)libKSC.so
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LDFLAGS-ISO-2022-KR.so = -Wl,-rpath,'$$ORIGIN'
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LDFLAGS-ISO-2022-KR.so = -Wl,-rpath,'$$ORIGIN'
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$(objpfx)ISO-2022-KR.so: $(objpfx)libKSC.so
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$(objpfx)ISO-2022-KR.so: $(objpfx)libKSC.so
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LDFLAGS-ISO-2022-CN.so = -Wl,-rpath,'$$ORIGIN'
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$(objpfx)ISO-2022-CN.so: $(objpfx)libGB.so $(objpfx)libCNS.so
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LDFLAGS-libJIS.so = -Wl,-soname,$(@F)
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LDFLAGS-libJIS.so = -Wl,-soname,$(@F)
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LDFLAGS-libKSC.so = -Wl,-soname,$(@F)
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LDFLAGS-libKSC.so = -Wl,-soname,$(@F)
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@ -112,7 +115,7 @@ distribute := gconv-modules extra-module.mk gap.awk gaptab.awk \
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koi8-r.c ksc5601.c ksc5601.h latin-greek.c latin-greek-1.c \
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koi8-r.c ksc5601.c ksc5601.h latin-greek.c latin-greek-1.c \
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macintosh.c mac-is.c mac-uk.c nats-dano.c nats-sefi.c sjis.c \
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macintosh.c mac-is.c mac-uk.c nats-dano.c nats-sefi.c sjis.c \
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t.61.c uhc.c sami-ws2.c iso-ir-197.c tis-620.c koi8-u.c \
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t.61.c uhc.c sami-ws2.c iso-ir-197.c tis-620.c koi8-u.c \
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isiri-3342.c gbgbk.c
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isiri-3342.c gbgbk.c iso-2022-cn.c cns11643l2.h
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# We build the transformation modules only when we build shared libs.
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# We build the transformation modules only when we build shared libs.
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ifeq (yes,$(build-shared))
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ifeq (yes,$(build-shared))
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@ -26,7 +26,8 @@ extern const uint16_t __cns11643l1_to_ucs4_tab[];
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static inline uint32_t
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static inline uint32_t
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cns11643l1_to_ucs4 (const char **s, size_t avail, unsigned char offset)
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cns11643l1_to_ucs4 (const unsigned char **s, size_t avail,
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unsigned char offset)
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{
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{
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unsigned char ch = *(*s);
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unsigned char ch = *(*s);
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unsigned char ch2;
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unsigned char ch2;
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@ -70,7 +71,7 @@ extern const char __cns11643l1_from_ucs4_tab14[][2];
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static inline size_t
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static inline size_t
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ucs4_to_cns11643l1 (uint32_t wch, char *s, size_t avail)
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ucs4_to_cns11643l1 (uint32_t wch, unsigned char *s, size_t avail)
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{
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{
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unsigned int ch = (unsigned int) wch;
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unsigned int ch = (unsigned int) wch;
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char buf[2];
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char buf[2];
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85
iconvdata/cns11643l2.h
Normal file
85
iconvdata/cns11643l2.h
Normal file
@ -0,0 +1,85 @@
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/* Access functions for CNS 11643, plane 2 handling.
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Copyright (C) 1998, 1999 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <stdint.h>
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#include <gconv.h>
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/* Table for CNS 11643, plane 2 to UCS4 conversion. */
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extern const uint16_t __cns11643l2_to_ucs4_tab[];
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static inline uint32_t
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cns11643l2_to_ucs4 (const unsigned char **s, size_t avail,
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unsigned char offset)
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{
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unsigned char ch = *(*s);
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unsigned char ch2;
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int idx;
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if (ch < offset || (ch - offset) <= 0x20 || (ch - offset) > 0x7d)
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return __UNKNOWN_10646_CHAR;
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if (avail < 2)
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return 0;
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ch2 = (*s)[1];
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if ((ch2 - offset) <= 0x20 || (ch2 - offset) >= 0x7f)
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return __UNKNOWN_10646_CHAR;
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idx = (ch - 0x21 - offset) * 94 + (ch2 - 0x21 - offset);
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if (idx > 0x1de1)
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return __UNKNOWN_10646_CHAR;
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(*s) += 2;
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return __cns11643l2_to_ucs4_tab[idx] ?: ((*s) -= 2, __UNKNOWN_10646_CHAR);
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}
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/* The table which contains the CNS 11643 level 2 mappings. */
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extern const char __cns11643_from_ucs4_tab[][3];
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static inline size_t
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ucs4_to_cns11643l2 (uint32_t wch, unsigned char *s, size_t avail)
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{
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unsigned int ch = (unsigned int) wch;
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const char *cp = NULL;
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if (ch >= 0x4e07 && ch <= 0x9fa4)
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{
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cp = __cns11643_from_ucs4_tab[ch - 0x4e00];
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if (cp[0] == '\2')
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++cp;
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else
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cp = NULL;
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}
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if (cp == NULL)
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return __UNKNOWN_10646_CHAR;
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if (avail < 2)
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return 0;
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s[0] = cp[0];
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s[1] = cp[1];
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return 2;
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}
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@ -97,7 +97,7 @@
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else \
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else \
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{ \
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{ \
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/* This is code set 1: CNS 11643, plane 1. */ \
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/* This is code set 1: CNS 11643, plane 1. */ \
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const char *endp = inptr; \
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const unsigned char *endp = inptr; \
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\
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\
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ch = cns11643l1_to_ucs4 (&endp, \
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ch = cns11643l1_to_ucs4 (&endp, \
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NEED_LENGTH_TEST ? inend - inptr : 2, \
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NEED_LENGTH_TEST ? inend - inptr : 2, \
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@ -976,6 +976,11 @@ alias CSISO2022KR// ISO-2022-KR//
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module ISO-2022-KR// INTERNAL ISO-2022-KR 1
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module ISO-2022-KR// INTERNAL ISO-2022-KR 1
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module INTERNAL ISO-2022-KR// ISO-2022-KR 1
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module INTERNAL ISO-2022-KR// ISO-2022-KR 1
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# from to module cost
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alias CSISO2022CN// ISO-2022-CN//
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module ISO-2022-CN// INTERNAL ISO-2022-CN 1
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module INTERNAL ISO-2022-CN// ISO-2022-CN 1
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# from to module cost
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# from to module cost
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alias MAC// MACINTOSH//
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alias MAC// MACINTOSH//
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alias CSMACINTOSH// MACINTOSH//
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alias CSMACINTOSH// MACINTOSH//
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398
iconvdata/iso-2022-cn.c
Normal file
398
iconvdata/iso-2022-cn.c
Normal file
@ -0,0 +1,398 @@
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/* Conversion module for ISO-2022-CN.
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Copyright (C) 1999 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
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The GNU C Library is free software; you can redistribute it and/or
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|
modify it under the terms of the GNU Library General Public License as
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|
published by the Free Software Foundation; either version 2 of the
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|
License, or (at your option) any later version.
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|
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|
The GNU C Library is distributed in the hope that it will be useful,
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|
but WITHOUT ANY WARRANTY; without even the implied warranty of
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|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
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|
Library General Public License for more details.
|
||||||
|
|
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|
You should have received a copy of the GNU Library General Public
|
||||||
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
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||||||
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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|
Boston, MA 02111-1307, USA. */
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#include <gconv.h>
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#include <stdint.h>
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#include <string.h>
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#include "gb2312.h"
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#include "cns11643l1.h"
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#include "cns11643l2.h"
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|
#include <assert.h>
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|
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|
/* This makes obvious what everybody knows: 0x1b is the Esc character. */
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#define ESC 0x1b
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|
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/* We have single-byte shift-in and shift-out sequences, and the single
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|
shift sequence SS2 which replaces the SS2 designation for the next
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|
two bytes. */
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|
#define SI 0x0f
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|
#define SO 0x0e
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#define SS2_0 ESC
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|
#define SS2_1 0x4e
|
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|
|
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|
/* Definitions used in the body of the `gconv' function. */
|
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|
#define CHARSET_NAME "ISO-2022-CN//"
|
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|
#define DEFINE_INIT 1
|
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|
#define DEFINE_FINI 1
|
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|
#define FROM_LOOP from_iso2022cn_loop
|
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|
#define TO_LOOP to_iso2022cn_loop
|
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|
#define MIN_NEEDED_FROM 1
|
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|
#define MAX_NEEDED_FROM 4
|
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|
#define MIN_NEEDED_TO 4
|
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|
#define MAX_NEEDED_TO 4
|
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|
#define PREPARE_LOOP \
|
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|
int save_set; \
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|
int *setp = &data->__statep->count;
|
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|
#define EXTRA_LOOP_ARGS , setp
|
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|
|
||||||
|
|
||||||
|
/* The COUNT element of the state keeps track of the currently selected
|
||||||
|
character set. The possible values are: */
|
||||||
|
enum
|
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|
{
|
||||||
|
ASCII_set = 0,
|
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|
GB2312_set,
|
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|
CNS11643_1_set,
|
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|
CNS11643_2_set,
|
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|
CURRENT_MASK = 3,
|
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|
GB2312_ann = 4,
|
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|
CNS11643_1_ann = 8,
|
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|
CNS11643_2_ann = 16
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/* Since this is a stateful encoding we have to provide code which resets
|
||||||
|
the output state to the initial state. This has to be done during the
|
||||||
|
flushing. */
|
||||||
|
#define EMIT_SHIFT_TO_INIT \
|
||||||
|
if (data->__statep->count != ASCII_set) \
|
||||||
|
{ \
|
||||||
|
if (FROM_DIRECTION) \
|
||||||
|
/* It's easy, we don't have to emit anything, we just reset the \
|
||||||
|
state for the input. */ \
|
||||||
|
data->__statep->count = ASCII_set; \
|
||||||
|
else \
|
||||||
|
{ \
|
||||||
|
unsigned char *outbuf = data->__outbuf; \
|
||||||
|
\
|
||||||
|
/* We are not in the initial state. To switch back we have \
|
||||||
|
to emit `SI'. */ \
|
||||||
|
if (outbuf == data->__outbufend) \
|
||||||
|
/* We don't have enough room in the output buffer. */ \
|
||||||
|
status = __GCONV_FULL_OUTPUT; \
|
||||||
|
else \
|
||||||
|
{ \
|
||||||
|
/* Write out the shift sequence. */ \
|
||||||
|
*outbuf++ = SI; \
|
||||||
|
if (data->__is_last) \
|
||||||
|
*written += 1; \
|
||||||
|
data->__outbuf = outbuf; \
|
||||||
|
data->__statep->count = ASCII_set; \
|
||||||
|
} \
|
||||||
|
} \
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/* Since we might have to reset input pointer we must be able to save
|
||||||
|
and retore the state. */
|
||||||
|
#define SAVE_RESET_STATE(Save) \
|
||||||
|
if (Save) \
|
||||||
|
save_set = *setp; \
|
||||||
|
else \
|
||||||
|
*setp = save_set
|
||||||
|
|
||||||
|
|
||||||
|
/* First define the conversion function from ISO-2022-CN to UCS4. */
|
||||||
|
#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
|
||||||
|
#define MAX_NEEDED_INPUT MAX_NEEDED_FROM
|
||||||
|
#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
|
||||||
|
#define LOOPFCT FROM_LOOP
|
||||||
|
#define BODY \
|
||||||
|
{ \
|
||||||
|
uint32_t ch = *inptr; \
|
||||||
|
\
|
||||||
|
/* This is a 7bit character set, disallow all 8bit characters. */ \
|
||||||
|
if (ch > 0x7f) \
|
||||||
|
{ \
|
||||||
|
result = __GCONV_ILLEGAL_INPUT; \
|
||||||
|
break; \
|
||||||
|
} \
|
||||||
|
\
|
||||||
|
/* Recognize escape sequences. */ \
|
||||||
|
if (ch == ESC) \
|
||||||
|
{ \
|
||||||
|
/* There are two kinds of escape sequences we have to handle: \
|
||||||
|
- those announcing the use of GB and CNS characters on the \
|
||||||
|
line; we can simply ignore them \
|
||||||
|
- the initial byte of the SS2 sequence. \
|
||||||
|
*/ \
|
||||||
|
if (NEED_LENGTH_TEST \
|
||||||
|
&& (inptr + 1 > inend \
|
||||||
|
|| (inptr[1] == '$' \
|
||||||
|
&& (inptr + 2 > inend \
|
||||||
|
|| (inptr[2] == ')' && inptr + 3 > inend) \
|
||||||
|
|| (inptr[2] == '*' && inptr + 3 > inend))) \
|
||||||
|
|| (inptr[1] == SS2_1 && inptr + 3 > inend))) \
|
||||||
|
{ \
|
||||||
|
result = __GCONV_EMPTY_INPUT; \
|
||||||
|
break; \
|
||||||
|
} \
|
||||||
|
if (inptr[1] == '$' \
|
||||||
|
&& ((inptr[2] == ')' && (inptr[3] == 'A' || inptr[3] == 'G')) \
|
||||||
|
|| (inptr[2] == '*' && inptr[3] == 'H'))) \
|
||||||
|
{ \
|
||||||
|
/* OK, we accept those character sets. */ \
|
||||||
|
if (inptr[3] == 'A') \
|
||||||
|
ann = GB2312_ann; \
|
||||||
|
else if (inptr[3] == 'G') \
|
||||||
|
ann = CNS11643_1_ann; \
|
||||||
|
inptr += 4; \
|
||||||
|
continue; \
|
||||||
|
} \
|
||||||
|
} \
|
||||||
|
else if (ch == SO) \
|
||||||
|
{ \
|
||||||
|
/* Switch to use GB2312 or CNS 11643 plane 1, depending on which \
|
||||||
|
S0 designation came last. The only problem is what to do with \
|
||||||
|
faulty input files where no designator came. \
|
||||||
|
XXX For now I'll default to use GB2312. If this is not the \
|
||||||
|
best behaviour (e.g., we should flag an error) let me know. */ \
|
||||||
|
++inptr; \
|
||||||
|
set = ann == CNS11643_1_ann ? CNS11643_1_set : GB2312_set; \
|
||||||
|
continue; \
|
||||||
|
} \
|
||||||
|
else if (ch == SI) \
|
||||||
|
{ \
|
||||||
|
/* Switch to use ASCII. */ \
|
||||||
|
++inptr; \
|
||||||
|
set = ASCII_set; \
|
||||||
|
continue; \
|
||||||
|
} \
|
||||||
|
\
|
||||||
|
if (ch == ESC && inptr[1] == SS2_1) \
|
||||||
|
{ \
|
||||||
|
/* This is a character from CNS 11643 plane 2. \
|
||||||
|
XXX We could test here whether the use of this character \
|
||||||
|
set was announced. */ \
|
||||||
|
inptr += 2; \
|
||||||
|
ch = cns11643l2_to_ucs4 (&inptr, 2, 0); \
|
||||||
|
if (ch == __UNKNOWN_10646_CHAR) \
|
||||||
|
{ \
|
||||||
|
inptr -= 2; \
|
||||||
|
result = __GCONV_ILLEGAL_INPUT; \
|
||||||
|
break; \
|
||||||
|
} \
|
||||||
|
} \
|
||||||
|
else if (set == ASCII_set) \
|
||||||
|
{ \
|
||||||
|
/* Almost done, just advance the input pointer. */ \
|
||||||
|
++inptr; \
|
||||||
|
} \
|
||||||
|
else \
|
||||||
|
{ \
|
||||||
|
/* That's pretty easy, we have a dedicated functions for this. */ \
|
||||||
|
if (set == GB2312_set) \
|
||||||
|
ch = gb2312_to_ucs4 (&inptr, \
|
||||||
|
NEED_LENGTH_TEST ? inend - inptr : 2, 0); \
|
||||||
|
else \
|
||||||
|
{ \
|
||||||
|
assert (set == CNS11643_1_set); \
|
||||||
|
ch = cns11643l1_to_ucs4 (&inptr, \
|
||||||
|
NEED_LENGTH_TEST ? inend - inptr : 2, 0);\
|
||||||
|
} \
|
||||||
|
\
|
||||||
|
if (NEED_LENGTH_TEST && ch == 0) \
|
||||||
|
{ \
|
||||||
|
result = __GCONV_EMPTY_INPUT; \
|
||||||
|
break; \
|
||||||
|
} \
|
||||||
|
else if (ch == __UNKNOWN_10646_CHAR) \
|
||||||
|
{ \
|
||||||
|
result = __GCONV_ILLEGAL_INPUT; \
|
||||||
|
break; \
|
||||||
|
} \
|
||||||
|
} \
|
||||||
|
\
|
||||||
|
*((uint32_t *) outptr)++ = ch; \
|
||||||
|
}
|
||||||
|
#define EXTRA_LOOP_DECLS , int *setp
|
||||||
|
#define INIT_PARAMS int set = *setp & CURRENT_MASK; \
|
||||||
|
int ann = *setp & ~CURRENT_MASK
|
||||||
|
#define UPDATE_PARAMS *setp = set | ann
|
||||||
|
#include <iconv/loop.c>
|
||||||
|
|
||||||
|
|
||||||
|
/* Next, define the other direction. */
|
||||||
|
#define MIN_NEEDED_INPUT MIN_NEEDED_TO
|
||||||
|
#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM
|
||||||
|
#define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM
|
||||||
|
#define LOOPFCT TO_LOOP
|
||||||
|
#define BODY \
|
||||||
|
{ \
|
||||||
|
uint32_t ch; \
|
||||||
|
size_t written = 0; \
|
||||||
|
\
|
||||||
|
ch = *((uint32_t *) inptr); \
|
||||||
|
\
|
||||||
|
/* First see whether we can write the character using the currently \
|
||||||
|
selected character set. */ \
|
||||||
|
if (ch < 0x80) \
|
||||||
|
{ \
|
||||||
|
if (set != ASCII_set) \
|
||||||
|
{ \
|
||||||
|
*outptr++ = SI; \
|
||||||
|
set = ASCII_set; \
|
||||||
|
if (NEED_LENGTH_TEST && outptr == outend) \
|
||||||
|
{ \
|
||||||
|
result = __GCONV_FULL_OUTPUT; \
|
||||||
|
break; \
|
||||||
|
} \
|
||||||
|
} \
|
||||||
|
\
|
||||||
|
*outptr++ = ch; \
|
||||||
|
written = 1; \
|
||||||
|
\
|
||||||
|
/* At the end of the line we have to clear the `ann' flags since \
|
||||||
|
every line must contain this information again. */ \
|
||||||
|
if (ch == L'\n') \
|
||||||
|
ann = 0; \
|
||||||
|
} \
|
||||||
|
else \
|
||||||
|
{ \
|
||||||
|
char buf[2]; \
|
||||||
|
int used; \
|
||||||
|
\
|
||||||
|
if (set == GB2312_set || (ann & CNS11643_1_ann) == 0) \
|
||||||
|
{ \
|
||||||
|
written = ucs4_to_gb2312 (ch, buf, 2); \
|
||||||
|
used = GB2312_set; \
|
||||||
|
} \
|
||||||
|
else \
|
||||||
|
{ \
|
||||||
|
written = ucs4_to_cns11643l1 (ch, buf, 2); \
|
||||||
|
used = CNS11643_1_set; \
|
||||||
|
} \
|
||||||
|
\
|
||||||
|
if (written == __UNKNOWN_10646_CHAR) \
|
||||||
|
{ \
|
||||||
|
/* Cannot convert it using the currently selected SO set. \
|
||||||
|
Next try the SS2 set. */ \
|
||||||
|
written = ucs4_to_cns11643l2 (ch, buf, 2); \
|
||||||
|
if (written != __UNKNOWN_10646_CHAR) \
|
||||||
|
/* Yep, that worked. */ \
|
||||||
|
used = CNS11643_2_set; \
|
||||||
|
else \
|
||||||
|
{ \
|
||||||
|
/* Well, see whether we have to change the SO set. */ \
|
||||||
|
if (set == GB2312_set) \
|
||||||
|
written = ucs4_to_cns11643l1 (ch, buf, 2); \
|
||||||
|
else \
|
||||||
|
written = ucs4_to_gb2312 (ch, buf, 2); \
|
||||||
|
\
|
||||||
|
if (written != __UNKNOWN_10646_CHAR) \
|
||||||
|
/* Oh well, then switch SO. */ \
|
||||||
|
used = GB2312_set + CNS11643_1_set - set; \
|
||||||
|
else \
|
||||||
|
{ \
|
||||||
|
/* Even this does not work. Error. */ \
|
||||||
|
result = __GCONV_ILLEGAL_INPUT; \
|
||||||
|
break; \
|
||||||
|
} \
|
||||||
|
} \
|
||||||
|
} \
|
||||||
|
assert (written == 2); \
|
||||||
|
\
|
||||||
|
/* See whether we have to emit an escape sequence. */ \
|
||||||
|
if (set != used) \
|
||||||
|
{ \
|
||||||
|
/* First see whether we announced that we use this \
|
||||||
|
character set. */ \
|
||||||
|
if ((ann & (2 << used)) == 0) \
|
||||||
|
{ \
|
||||||
|
const char *escseq; \
|
||||||
|
\
|
||||||
|
if (NEED_LENGTH_TEST && outptr + 4 > outend) \
|
||||||
|
{ \
|
||||||
|
result = __GCONV_FULL_OUTPUT; \
|
||||||
|
break; \
|
||||||
|
} \
|
||||||
|
\
|
||||||
|
assert (used >= 1 && used <= 3); \
|
||||||
|
escseq = "\e$)A\e$)G\e$*H" + (used - 1) * 4; \
|
||||||
|
*outptr++ = *escseq++; \
|
||||||
|
*outptr++ = *escseq++; \
|
||||||
|
*outptr++ = *escseq++; \
|
||||||
|
*outptr++ = *escseq++; \
|
||||||
|
\
|
||||||
|
if (used == GB2312_set) \
|
||||||
|
ann = (ann & CNS11643_2_ann) | GB2312_ann; \
|
||||||
|
else if (used == CNS11643_1_set) \
|
||||||
|
ann = (ann & CNS11643_2_ann) | CNS11643_1_ann; \
|
||||||
|
else \
|
||||||
|
ann |= CNS11643_2_ann; \
|
||||||
|
} \
|
||||||
|
\
|
||||||
|
if (used == CNS11643_2_set) \
|
||||||
|
{ \
|
||||||
|
if (outptr + 2 > outend) \
|
||||||
|
{ \
|
||||||
|
result = __GCONV_FULL_OUTPUT; \
|
||||||
|
break; \
|
||||||
|
} \
|
||||||
|
*outptr++ = SS2_0; \
|
||||||
|
*outptr++ = SS2_1; \
|
||||||
|
} \
|
||||||
|
else \
|
||||||
|
{ \
|
||||||
|
/* We only have to emit something is currently ASCII is \
|
||||||
|
selected. Otherwise we are switching within the \
|
||||||
|
SO charset. */ \
|
||||||
|
if (set == ASCII_set) \
|
||||||
|
{ \
|
||||||
|
if (outptr + 1 > outend) \
|
||||||
|
{ \
|
||||||
|
result = __GCONV_FULL_OUTPUT; \
|
||||||
|
break; \
|
||||||
|
} \
|
||||||
|
*outptr++ = SO; \
|
||||||
|
} \
|
||||||
|
} \
|
||||||
|
\
|
||||||
|
/* Always test the length here since we have used up all the \
|
||||||
|
guaranteed output buffer slots. */ \
|
||||||
|
if (outptr + 2 > outend) \
|
||||||
|
{ \
|
||||||
|
result = __GCONV_FULL_OUTPUT; \
|
||||||
|
break; \
|
||||||
|
} \
|
||||||
|
} \
|
||||||
|
else if (NEED_LENGTH_TEST && outptr + 2 > outend) \
|
||||||
|
{ \
|
||||||
|
result = __GCONV_FULL_OUTPUT; \
|
||||||
|
break; \
|
||||||
|
} \
|
||||||
|
\
|
||||||
|
*outptr++ = buf[0]; \
|
||||||
|
*outptr++ = buf[1]; \
|
||||||
|
} \
|
||||||
|
\
|
||||||
|
/* Now that we wrote the output increment the input pointer. */ \
|
||||||
|
inptr += 4; \
|
||||||
|
}
|
||||||
|
#define EXTRA_LOOP_DECLS , int *setp
|
||||||
|
#define INIT_PARAMS int set = *setp & CURRENT_MASK; \
|
||||||
|
int ann = *setp & ~CURRENT_MASK
|
||||||
|
#define UPDATE_PARAMS *setp = set | ann
|
||||||
|
#include <iconv/loop.c>
|
||||||
|
|
||||||
|
|
||||||
|
/* Now define the toplevel functions. */
|
||||||
|
#include <iconv/skeleton.c>
|
||||||
@ -166,11 +166,6 @@ enum
|
|||||||
\
|
\
|
||||||
if (set == ASCII_set) \
|
if (set == ASCII_set) \
|
||||||
{ \
|
{ \
|
||||||
if (ch >= 0x80) \
|
|
||||||
{ \
|
|
||||||
result = __GCONV_ILLEGAL_INPUT; \
|
|
||||||
break; \
|
|
||||||
} \
|
|
||||||
/* Almost done, just advance the input pointer. */ \
|
/* Almost done, just advance the input pointer. */ \
|
||||||
++inptr; \
|
++inptr; \
|
||||||
} \
|
} \
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user