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-rw-r--r--iconvdata/ibm932.c234
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diff --git a/iconvdata/ibm932.c b/iconvdata/ibm932.c
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+/* Conversion from and to IBM932.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Masahide Washizawa <washi@jp.ibm.com>, 2000.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ 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,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "ibm932.h"
+
+#ifndef TRUE
+#define TRUE 1
+#define FALSE 0
+#endif
+
+#define FROM 0
+#define TO 1
+
+/* Definitions used in the body of the `gconv' function. */
+#define CHARSET_NAME "IBM932//"
+#define FROM_LOOP from_ibm932
+#define TO_LOOP to_ibm932
+
+/* Definitions of initialization and destructor function. */
+#define DEFINE_INIT 1
+#define DEFINE_FINI 1
+
+#define MIN_NEEDED_FROM 1
+#define MAX_NEEDED_FROM 2
+#define MIN_NEEDED_TO 4
+
+/* First, define the conversion function from IBM-932 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 \
+ { \
+ const struct gap *rp1 = __ibm932sb_to_ucs4_idx; \
+ const struct gap *rp2 = __ibm932db_to_ucs4_idx; \
+ uint32_t ch = *inptr; \
+ uint32_t res; \
+ \
+ if (__builtin_expect (ch, 0) >= 0xffff) \
+ { \
+ rp1 = NULL; \
+ rp2 = NULL; \
+ } \
+ else if (__builtin_expect (ch, 0) == 0x80 \
+ || __builtin_expect (ch, 0) == 0xa0 \
+ || __builtin_expect (ch, 0) == 0xfd \
+ || __builtin_expect (ch, 0) == 0xfe \
+ || __builtin_expect (ch, 0) == 0xff) \
+ { \
+ /* This is an illegal character. */ \
+ if (! ignore_errors_p ()) \
+ { \
+ result = __GCONV_ILLEGAL_INPUT; \
+ break; \
+ } \
+ } \
+ else \
+ { \
+ while (ch > rp1->end) \
+ ++rp1; \
+ } \
+ \
+ /* Use the IBM932 table for single byte. */ \
+ if (__builtin_expect (rp1 == NULL, 0) \
+ || __builtin_expect (ch < rp1->start, 0) \
+ || (res = __ibm932sb_to_ucs4[ch + rp1->idx], \
+ __builtin_expect (res, '\1') == 0 && ch != 0)) \
+ { \
+ \
+ /* Use the IBM932 table for double byte. */ \
+ if (__builtin_expect (inptr + 1 >= inend, 0)) \
+ { \
+ /* The second character is not available. \
+ Store the intermediate result. */ \
+ result = __GCONV_INCOMPLETE_INPUT; \
+ break; \
+ } \
+ \
+ ch = (ch * 0x100) + inptr[1]; \
+ while (ch > rp2->end) \
+ ++rp2; \
+ \
+ if (__builtin_expect (rp2 == NULL, 0) \
+ || __builtin_expect (ch < rp2->start, 0) \
+ || (res = __ibm932db_to_ucs4[ch + rp2->idx], \
+ __builtin_expect (res, '\1') == 0 && ch !=0)) \
+ { \
+ /* This is an illegal character. */ \
+ if (! ignore_errors_p ()) \
+ { \
+ result = __GCONV_ILLEGAL_INPUT; \
+ break; \
+ } \
+ ++*irreversible; \
+ inptr += 2; \
+ continue; \
+ } \
+ else \
+ { \
+ put32 (outptr, res); \
+ outptr += 4; \
+ inptr += 2; \
+ } \
+ } \
+ else \
+ { \
+ if (res == 0x1c) \
+ res = 0x1a; \
+ else if (res == 0x7f) \
+ res = 0x1c; \
+ else if (res == 0xa5) \
+ res = 0x5c; \
+ else if (res == 0x203e) \
+ res = 0x7e; \
+ else if (res == 0x1a) \
+ res = 0x7f; \
+ put32 (outptr, res); \
+ outptr += 4; \
+ inptr++; \
+ } \
+ }
+#define LOOP_NEED_FLAGS
+#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 \
+ { \
+ const struct gap *rp = __ucs4_to_ibm932sb_idx; \
+ unsigned char sc; \
+ uint32_t ch = get32(inptr); \
+ uint16_t found = TRUE; \
+ uint32_t i; \
+ uint32_t low; \
+ uint32_t high; \
+ uint16_t pccode; \
+ \
+ if (__builtin_expect (ch, 0) >= 0xffff) \
+ rp = NULL; \
+ else \
+ while (ch > rp->end) \
+ ++rp; \
+ \
+ /* Use the UCS4 table for single byte. */ \
+ if (__builtin_expect (rp == NULL, 0) \
+ || __builtin_expect (ch < rp->start, 0) \
+ || (sc = __ucs4_to_ibm932sb[ch + rp->idx], \
+ __builtin_expect (sc, '\1') == '\0' && ch != L'\0')) \
+ { \
+ \
+ /* Use the UCS4 table for double byte. */ \
+ found = FALSE; \
+ low = 0; \
+ high = (sizeof (__ucs4_to_ibm932db) >> 1) \
+ / sizeof (__ucs4_to_ibm932db[0][FROM]); \
+ pccode = ch; \
+ while (low <= high) \
+ { \
+ i = (low + high) >> 1; \
+ if (pccode < __ucs4_to_ibm932db[i][FROM]) \
+ high = i - 1; \
+ else if (pccode > __ucs4_to_ibm932db[i][FROM]) \
+ low = i + 1; \
+ else \
+ { \
+ pccode = __ucs4_to_ibm932db[i][TO]; \
+ found = TRUE; \
+ break; \
+ } \
+ } \
+ if (found) \
+ { \
+ if (__builtin_expect (outptr + 2 > outend, 0)) \
+ { \
+ result = __GCONV_FULL_OUTPUT; \
+ break; \
+ } \
+ *outptr++ = pccode >> 8 & 0xff; \
+ *outptr++ = pccode & 0xff; \
+ } \
+ else \
+ { \
+ /* This is an illegal character. */ \
+ if (! ignore_errors_p ()) \
+ { \
+ result = __GCONV_ILLEGAL_INPUT; \
+ break; \
+ } \
+ ++*irreversible; \
+ } \
+ } \
+ else \
+ { \
+ if (__builtin_expect (outptr + 1 > outend, 0)) \
+ { \
+ result = __GCONV_FULL_OUTPUT; \
+ break; \
+ } \
+ if (ch == 0x5c) \
+ *outptr++ = 0x5c; \
+ else if (ch == 0x7e) \
+ *outptr++ = 0x7e; \
+ else \
+ *outptr++ = sc; \
+ } \
+ \
+ /* Now that we wrote the output increment the input pointer. */ \
+ inptr += 4; \
+ }
+#define LOOP_NEED_FLAGS
+#include <iconv/loop.c>
+
+/* Now define the toplevel functions. */
+#include <iconv/skeleton.c>