about summary refs log tree commit diff
path: root/iconvdata/ibm932.c
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2001-01-20 21:20:46 +0000
committerUlrich Drepper <drepper@redhat.com>2001-01-20 21:20:46 +0000
commit3b7caeac2c8d9dc0ceb84137e1e012845d58c90d (patch)
tree3fe204747cbdd74e573c7265fe12224355d37e3a /iconvdata/ibm932.c
parentb72f9d5197d1281664c3fd0ccffa328dfc195818 (diff)
downloadglibc-3b7caeac2c8d9dc0ceb84137e1e012845d58c90d.tar.gz
glibc-3b7caeac2c8d9dc0ceb84137e1e012845d58c90d.tar.xz
glibc-3b7caeac2c8d9dc0ceb84137e1e012845d58c90d.zip
Update.
	* iconvdata/run-iconv-test.sh: Reorgnize a bit to allow running only
	the ASCII test.
	* iconvdata/TESTS: Add entries for IBM932 and IBM943.

	* iconvdata/Makefile (modules): Add IBM932 and IBM943.
	* iconvdata/gconv-modules: Add entries for IBM932 and IBM943.
	* iconvdata/ibm932.c: New file.
	* iconvdata/ibm932.h: New file.
	* iconvdata/ibm943.c: New file.
	* iconvdata/ibm943.h: New file.
	Patches by Masahide Washizawa <washi@jp.ibm.com>.
Diffstat (limited to 'iconvdata/ibm932.c')
-rw-r--r--iconvdata/ibm932.c234
1 files changed, 234 insertions, 0 deletions
diff --git a/iconvdata/ibm932.c b/iconvdata/ibm932.c
new file mode 100644
index 0000000000..07fdd25f6e
--- /dev/null
+++ b/iconvdata/ibm932.c
@@ -0,0 +1,234 @@
+/* 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>