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2000-02-13  Ulrich Drepper  <drepper@redhat.com>

	* iconvdata/Makefile (modules): Add UTF-16.
	(distribute): Add utf-16.c.
	* iconvdata/gconv-modules: Add entries for UTF-16, UTF-16BE, and
	UTF-16LE.
	* iconvdata/utf-16.c: New file.
	* iconv/gconv_builtin.h: Remove UTF-16 entries here.
	* iconv/gconv_simple.c: Remove conversion functions to and from UTF-16.

	* iconv/skeleton.c: Increment __invocation_coounter after every call
	to the loops.
This commit is contained in:
Ulrich Drepper 2000-02-13 19:00:53 +00:00
parent f5ff12d851
commit 7cdd956e1c
7 changed files with 362 additions and 188 deletions
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13
ChangeLog
View File

@ -1,3 +1,16 @@
2000-02-13 Ulrich Drepper <drepper@redhat.com>
* iconvdata/Makefile (modules): Add UTF-16.
(distribute): Add utf-16.c.
* iconvdata/gconv-modules: Add entries for UTF-16, UTF-16BE, and
UTF-16LE.
* iconvdata/utf-16.c: New file.
* iconv/gconv_builtin.h: Remove UTF-16 entries here.
* iconv/gconv_simple.c: Remove conversion functions to and from UTF-16.
* iconv/skeleton.c: Increment __invocation_coounter after every call
to the loops.
2000-02-12 Andreas Jaeger <aj@suse.de>
* sysdeps/unix/sysv/linux/i386/msgctl.c (__new_msgctl): Move errno

14
iconv/gconv_builtin.h
View File

@ -1,5 +1,5 @@
/* Builtin transformations.
Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@ -80,15 +80,3 @@ BUILTIN_TRANSFORMATION (NULL, "INTERNAL", 8, "UNICODELITTLE//",
1, "=INTERNAL->ucs2little",
__gconv_transform_internal_ucs2little, NULL, NULL,
4, 4, 2, 2)
BUILTIN_ALIAS ("UTF-16//", "UTF16//")
BUILTIN_TRANSFORMATION (NULL, "INTERNAL", 8, "UTF16//",
1, "=INTERNAL->utf16",
__gconv_transform_internal_utf16, NULL, NULL,
4, 4, 2, 4)
BUILTIN_TRANSFORMATION (NULL, "UTF16//", 7, "INTERNAL",
1, "=utf16->INTERNAL",
__gconv_transform_utf16_internal, NULL, NULL,
2, 4, 4, 4)

170
iconv/gconv_simple.c
View File

@ -462,173 +462,3 @@ internal_ucs4_loop (const unsigned char **inptrp, const unsigned char *inend,
#endif
#include <iconv/loop.c>
#include <iconv/skeleton.c>
/* Convert from the internal (UCS4-like) format to UTF-16. */
#define DEFINE_INIT 0
#define DEFINE_FINI 0
#define MIN_NEEDED_FROM 4
#define MIN_NEEDED_TO 2
#define MAX_NEEDED_TO 4
#define FROM_DIRECTION 1
#define FROM_LOOP internal_utf16_loop
#define TO_LOOP internal_utf16_loop /* This is not used. */
#define FUNCTION_NAME __gconv_transform_internal_utf16
#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
#define MAX_NEEDED_OUTPUT MAX_NEEDED_TO
#define LOOPFCT FROM_LOOP
#if __BYTE_ORDER == __LITTLE_ENDIAN
# define BODY \
{ \
if (*((uint32_t *) inptr) >= 0x10000) \
{ \
if (*((uint32_t *) inptr) >= 0x110000) \
{ \
result = __GCONV_ILLEGAL_INPUT; \
break; \
} \
\
/* Generate a surrogate character. */ \
if (NEED_LENGTH_TEST && outptr + 4 > outend) \
{ \
/* Overflow in the output buffer. */ \
result = __GCONV_FULL_OUTPUT; \
break; \
} \
\
*((uint16_t *) outptr)++ = bswap_16 (0xd7c0 \
+ (*((uint32_t *) inptr) >> 10));\
*((uint16_t *) outptr)++ = bswap_16 (0xdc00 \
+ (*((uint32_t *) inptr) \
& 0x3ff)); \
} \
else \
/* Please note that we use the `uint32_t' from-pointer as an `uint16_t' \
pointer which works since we are on a little endian machine. */ \
*((uint16_t *) outptr)++ = bswap_16 (*((uint16_t *) inptr)); \
inptr += 4; \
}
#else
# define BODY \
{ \
if (*((uint32_t *) inptr) >= 0x10000) \
{ \
if (*((uint32_t *) inptr) >= 0x110000) \
{ \
result = __GCONV_ILLEGAL_INPUT; \
break; \
} \
\
/* Generate a surrogate character. */ \
if (NEED_LENGTH_TEST && outptr + 4 > outend) \
{ \
/* Overflow in the output buffer. */ \
result = __GCONV_FULL_OUTPUT; \
break; \
} \
\
*((uint16_t *) outptr)++ = 0xd7c0 + (*((uint32_t *) inptr) >> 10); \
*((uint16_t *) outptr)++ = 0xdc00 + (*((uint32_t *) inptr) & 0x3ff); \
} \
else \
*((uint16_t *) outptr)++ = *((uint32_t *) inptr)++; \
}
#endif
#include <iconv/loop.c>
#include <iconv/skeleton.c>
/* Convert from UTF-16 to the internal (UCS4-like) format. */
#define DEFINE_INIT 0
#define DEFINE_FINI 0
#define MIN_NEEDED_FROM 2
#define MAX_NEEDED_FROM 4
#define MIN_NEEDED_TO 4
#define FROM_DIRECTION 1
#define FROM_LOOP utf16_internal_loop
#define TO_LOOP utf16_internal_loop /* This is not used.*/
#define FUNCTION_NAME __gconv_transform_utf16_internal
#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
#if __BYTE_ORDER == __LITTLE_ENDIAN
# define BODY \
{ \
uint16_t u1 = bswap_16 (*(uint16_t *) inptr); \
\
if (u1 < 0xd800 || u1 > 0xdfff) \
{ \
/* No surrogate. */ \
*((uint32_t *) outptr)++ = u1; \
inptr += 2; \
} \
else \
{ \
uint16_t u2; \
\
/* It's a surrogate character. At least the first word says \
it is. */ \
if (NEED_LENGTH_TEST && inptr + 4 > inend) \
{ \
/* We don't have enough input for another complete input \
character. */ \
result = __GCONV_INCOMPLETE_INPUT; \
break; \
} \
\
u2 = bswap_16 (((uint16_t *) inptr)[1]); \
if (u2 < 0xdc00 || u2 >= 0xdfff) \
{ \
/* This is no valid second word for a surrogate. */ \
result = __GCONV_ILLEGAL_INPUT; \
break; \
} \
\
*((uint32_t *) outptr)++ = ((u1 - 0xd7c0) << 10) + (u2 - 0xdc00); \
inptr += 4; \
} \
}
#else
# define BODY \
{ \
uint16_t u1 = *(uint16_t *) inptr; \
\
if (u1 < 0xd800 || u1 > 0xdfff) \
{ \
/* No surrogate. */ \
*((uint32_t *) outptr)++ = u1; \
inptr += 2; \
} \
else \
{ \
uint16_t u2; \
\
/* It's a surrogate character. At least the first word says \
it is. */ \
if (NEED_LENGTH_TEST && inptr + 4 > inend) \
{ \
/* We don't have enough input for another complete input \
character. */ \
result = __GCONV_INCOMPLETE_INPUT; \
break; \
} \
\
u2 = ((uint16_t *) inptr)[1]; \
if (u2 < 0xdc00 || u2 >= 0xdfff) \
{ \
/* This is no valid second word for a surrogate. */ \
result = __GCONV_ILLEGAL_INPUT; \
break; \
} \
\
*((uint32_t *) outptr)++ = ((u1 - 0xd7c0) << 10) + (u2 - 0xdc00); \
inptr += 4; \
} \
}
#endif
#include <iconv/loop.c>
#include <iconv/skeleton.c>

6
iconv/skeleton.c
View File

@ -332,15 +332,15 @@ FUNCTION_NAME (struct __gconv_step *step, struct __gconv_step_data *data,
if (status == __GCONV_FULL_OUTPUT)
status = __GCONV_OK;
}
/* We finished one use of the loops. */
++data->__invocation_counter;
}
while (status == __GCONV_OK);
#ifdef END_LOOP
END_LOOP
#endif
/* We finished one use of this step. */
++data->__invocation_counter;
}
return status;

5
iconvdata/Makefile
View File

@ -45,7 +45,7 @@ modules := ISO8859-1 ISO8859-2 ISO8859-3 ISO8859-4 ISO8859-5 \
INIS-CYRILLIC ISO_6937-2 ISO_2033 ISO_5427 ISO_5427-EXT \
ISO_5428 ISO_10367-BOX MAC-IS MAC-UK NATS-DANO NATS-SEFI \
SAMI-WS2 ISO-IR-197 TIS-620 KOI8-U GBK ISIRI-3342 GBGBK \
ISO-2022-CN libISOIR165
ISO-2022-CN libISOIR165 UTF-16
modules.so := $(addsuffix .so, $(modules))
@ -117,7 +117,8 @@ distribute := gconv-modules extra-module.mk gap.awk gaptab.awk \
koi8-r.c ksc5601.c ksc5601.h latin-greek.c latin-greek-1.c \
macintosh.c mac-is.c mac-uk.c nats-dano.c nats-sefi.c sjis.c \
t.61.c uhc.c sami-ws2.c iso-ir-197.c tis-620.c koi8-u.c \
isiri-3342.c gbgbk.c iso-2022-cn.c cns11643l2.h iso8859-16.c
isiri-3342.c gbgbk.c iso-2022-cn.c cns11643l2.h iso8859-16.c \
utf-16.c
# We build the transformation modules only when we build shared libs.
ifeq (yes,$(build-shared))

12
iconvdata/gconv-modules
View File

@ -1172,3 +1172,15 @@ module INTERNAL KOI8-U// KOI8-U 1
# from to module cost
module ISIRI-3342// INTERNAL ISIRI-3342 1
module INTERNAL ISIRI-3342// ISIRI-3342 1
# from to module cost
module UTF-16// INTERNAL UTF-16 1
module INTERNAL UTF-16// UTF-16 1
# from to module cost
module UTF-16LE// INTERNAL UTF-16 1
module INTERNAL UTF-16LE// UTF-16 1
# from to module cost
module UTF-16BE// INTERNAL UTF-16 1
module INTERNAL UTF-16BE// UTF-16 1

330
iconvdata/utf-16.c Normal file
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@ -0,0 +1,330 @@
/* Conversion module for UTF-16.
Copyright (C) 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
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 <byteswap.h>
#include <gconv.h>
#include <stddef.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
/* This is the Byte Order Mark character (BOM). */
#define BOM 0xfeff
/* Definitions used in the body of the `gconv' function. */
#define FROM_LOOP from_utf16_loop
#define TO_LOOP to_utf16_loop
#define DEFINE_INIT 0
#define DEFINE_FINI 0
#define MIN_NEEDED_FROM 2
#define MAX_NEEDED_FROM 4
#define MIN_NEEDED_TO 4
#define FROM_DIRECTION (dir == from_utf16)
#define PREPARE_LOOP \
enum direction dir = ((struct utf16_data *) step->__data)->dir; \
enum variant var = ((struct utf16_data *) step->__data)->var; \
if (!FROM_DIRECTION && var == UTF_16 && !data->__internal_use \
&& data->__invocation_counter == 0) \
{ \
/* Emit the Byte Order Mark. */ \
if (outbuf + 2 > outend) \
return __GCONV_FULL_OUTPUT; \
\
*(uint16_t *) outbuf = BOM; \
outbuf += 2; \
}
#define EXTRA_LOOP_ARGS , var, data
/* Direction of the transformation. */
enum direction
{
illegal_dir,
to_utf16,
from_utf16
};
enum variant
{
illegal_var,
UTF_16,
UTF_16LE,
UTF_16BE
};
struct utf16_data
{
enum direction dir;
enum variant var;
};
int
gconv_init (struct __gconv_step *step)
{
/* Determine which direction. */
struct utf16_data *new_data;
enum direction dir = illegal_dir;
enum variant var = illegal_var;
int result;
if (__strcasecmp (step->__from_name, "UTF-16") == 0)
{
dir = from_utf16;
var = UTF_16;
}
else if (__strcasecmp (step->__to_name, "UTF-16") == 0)
{
dir = to_utf16;
var = UTF_16;
}
else if (__strcasecmp (step->__from_name, "UTF-16BE") == 0)
{
dir = from_utf16;
var = UTF_16BE;
}
else if (__strcasecmp (step->__to_name, "UTF-16BE") == 0)
{
dir = to_utf16;
var = UTF_16BE;
}
else if (__strcasecmp (step->__from_name, "UTF-16LE") == 0)
{
dir = from_utf16;
var = UTF_16LE;
}
else if (__strcasecmp (step->__to_name, "UTF-16LE") == 0)
{
dir = to_utf16;
var = UTF_16LE;
}
result = __GCONV_NOCONV;
if (dir != illegal_dir)
{
new_data = (struct utf16_data *) malloc (sizeof (struct utf16_data));
result = __GCONV_NOMEM;
if (new_data != NULL)
{
new_data->dir = dir;
new_data->var = var;
step->__data = new_data;
if (var == from_utf16)
{
step->__min_needed_from = MIN_NEEDED_FROM;
step->__max_needed_from = MIN_NEEDED_FROM;
step->__min_needed_to = MIN_NEEDED_TO;
step->__max_needed_to = MIN_NEEDED_TO;
}
else
{
step->__min_needed_from = MIN_NEEDED_TO;
step->__max_needed_from = MIN_NEEDED_TO;
step->__min_needed_to = MIN_NEEDED_FROM;
step->__max_needed_to = MIN_NEEDED_FROM;
}
step->__stateful = 0;
result = __GCONV_OK;
}
}
return result;
}
void
gconv_end (struct __gconv_step *data)
{
free (data->__data);
}
/* Convert from the internal (UCS4-like) format to UTF-16. */
#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 c = *((uint32_t *) inptr); \
\
if ((__BYTE_ORDER == __LITTLE_ENDIAN && var == UTF_16BE) \
|| (__BYTE_ORDER == __BIG_ENDIAN && var == UTF_16LE)) \
{ \
if (c >= 0x10000) \
{ \
if (c >= 0x110000) \
{ \
result = __GCONV_ILLEGAL_INPUT; \
break; \
} \
\
/* Generate a surrogate character. */ \
if (NEED_LENGTH_TEST && outptr + 4 > outend) \
{ \
/* Overflow in the output buffer. */ \
result = __GCONV_FULL_OUTPUT; \
break; \
} \
\
*((uint16_t *) outptr) = bswap_16 (0xd7c0 + (c >> 10)); \
outptr += 2; \
*((uint16_t *) outptr) = bswap_16 (0xdc00 + (c & 0x3ff)); \
} \
else \
*((uint16_t *) outptr) = bswap_16 (c); \
} \
else \
{ \
if (c >= 0x10000) \
{ \
if (c >= 0x110000) \
{ \
result = __GCONV_ILLEGAL_INPUT; \
break; \
} \
\
/* Generate a surrogate character. */ \
if (NEED_LENGTH_TEST && outptr + 4 > outend) \
{ \
/* Overflow in the output buffer. */ \
result = __GCONV_FULL_OUTPUT; \
break; \
} \
\
*((uint16_t *) outptr) = 0xd7c0 + (c >> 10); \
outptr += 2; \
*((uint16_t *) outptr) = 0xdc00 + (c & 0x3ff); \
} \
else \
*((uint16_t *) outptr) = c; \
} \
outptr += 2; \
inptr += 4; \
}
#define EXTRA_LOOP_DECLS \
, enum variant var, struct __gconv_step_data *step_data
#include <iconv/loop.c>
/* Convert from UTF-16 to the internal (UCS4-like) format. */
#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 \
{ \
uint16_t u1 = *(uint16_t *) inptr; \
\
if ((__BYTE_ORDER == __LITTLE_ENDIAN && var == UTF_16BE) \
|| (__BYTE_ORDER == __BIG_ENDIAN && var == UTF_16LE)) \
{ \
u1 = bswap_16 (u1); \
\
if (u1 < 0xd800 || u1 > 0xdfff) \
{ \
/* No surrogate. */ \
*((uint32_t *) outptr) = u1; \
inptr += 2; \
} \
else \
{ \
uint16_t u2; \
\
/* It's a surrogate character. At least the first word says \
it is. */ \
if (NEED_LENGTH_TEST && inptr + 4 > inend) \
{ \
/* We don't have enough input for another complete input \
character. */ \
result = __GCONV_INCOMPLETE_INPUT; \
break; \
} \
\
u2 = bswap_16 (((uint16_t *) inptr)[1]); \
if (u2 < 0xdc00 || u2 >= 0xdfff) \
{ \
/* This is no valid second word for a surrogate. */ \
result = __GCONV_ILLEGAL_INPUT; \
break; \
} \
\
*((uint32_t *) outptr) = ((u1 - 0xd7c0) << 10) + (u2 - 0xdc00); \
inptr += 4; \
} \
} \
else \
{ \
if (u1 == BOM && var == UTF_16 && !step_data->__internal_use \
&& step_data->__invocation_counter == 0 && inptr == *inptrp) \
{ \
/* This is the first word in the file and it is the BOM and \
we are converting a file without specified byte order. \
Simply sack the BOM. */ \
inptr += 2; \
continue; \
} \
\
if (u1 < 0xd800 || u1 > 0xdfff) \
{ \
/* No surrogate. */ \
*((uint32_t *) outptr) = u1; \
inptr += 2; \
} \
else \
{ \
uint16_t u2; \
\
/* It's a surrogate character. At least the first word says \
it is. */ \
if (NEED_LENGTH_TEST && inptr + 4 > inend) \
{ \
/* We don't have enough input for another complete input \
character. */ \
result = __GCONV_INCOMPLETE_INPUT; \
break; \
} \
\
u2 = ((uint16_t *) inptr)[1]; \
if (u2 < 0xdc00 || u2 >= 0xdfff) \
{ \
/* This is no valid second word for a surrogate. */ \
result = __GCONV_ILLEGAL_INPUT; \
break; \
} \
\
*((uint32_t *) outptr) = ((u1 - 0xd7c0) << 10) + (u2 - 0xdc00); \
inptr += 4; \
} \
} \
outptr += 4; \
}
#define EXTRA_LOOP_DECLS \
, enum variant var, struct __gconv_step_data *step_data
#include <iconv/loop.c>
/* Now define the toplevel functions. */
#include <iconv/skeleton.c>