glibc/iconvdata/utf-7.c

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/* Conversion module for UTF-7.
Copyright (C) 2000-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Bruno Haible <haible@clisp.cons.org>, 2000.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
Prefer https to http for gnu.org and fsf.org URLs Also, change sources.redhat.com to sourceware.org. This patch was automatically generated by running the following shell script, which uses GNU sed, and which avoids modifying files imported from upstream: sed -ri ' s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g ' \ $(find $(git ls-files) -prune -type f \ ! -name '*.po' \ ! -name 'ChangeLog*' \ ! -path COPYING ! -path COPYING.LIB \ ! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \ ! -path manual/texinfo.tex ! -path scripts/config.guess \ ! -path scripts/config.sub ! -path scripts/install-sh \ ! -path scripts/mkinstalldirs ! -path scripts/move-if-change \ ! -path INSTALL ! -path locale/programs/charmap-kw.h \ ! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \ ! '(' -name configure \ -execdir test -f configure.ac -o -f configure.in ';' ')' \ ! '(' -name preconfigure \ -execdir test -f preconfigure.ac ';' ')' \ -print) and then by running 'make dist-prepare' to regenerate files built from the altered files, and then executing the following to cleanup: chmod a+x sysdeps/unix/sysv/linux/riscv/configure # Omit irrelevant whitespace and comment-only changes, # perhaps from a slightly-different Autoconf version. git checkout -f \ sysdeps/csky/configure \ sysdeps/hppa/configure \ sysdeps/riscv/configure \ sysdeps/unix/sysv/linux/csky/configure # Omit changes that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines git checkout -f \ sysdeps/powerpc/powerpc64/ppc-mcount.S \ sysdeps/unix/sysv/linux/s390/s390-64/syscall.S # Omit change that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
2019-09-07 05:40:42 +00:00
<https://www.gnu.org/licenses/>. */
/* UTF-7 is a legacy encoding used for transmitting Unicode within the
ASCII character set, used primarily by mail agents. New programs
are encouraged to use UTF-8 instead.
UTF-7 is specified in RFC 2152 (and old RFC 1641, RFC 1642). The
original Base64 encoding is defined in RFC 2045. */
#include <dlfcn.h>
#include <gconv.h>
#include <stdint.h>
#include <stdlib.h>
/* Define this to 1 if you want the so-called "optional direct" characters
! " # $ % & * ; < = > @ [ ] ^ _ ` { | }
to be encoded. Define to 0 if you want them to be passed straight
through, like the so-called "direct" characters.
We set this to 1 because it's safer.
*/
#define UTF7_ENCODE_OPTIONAL_CHARS 1
/* The set of "direct characters":
A-Z a-z 0-9 ' ( ) , - . / : ? space tab lf cr
*/
static const unsigned char direct_tab[128 / 8] =
{
0x00, 0x26, 0x00, 0x00, 0x81, 0xf3, 0xff, 0x87,
0xfe, 0xff, 0xff, 0x07, 0xfe, 0xff, 0xff, 0x07
};
static int
isdirect (uint32_t ch)
{
return (ch < 128 && ((direct_tab[ch >> 3] >> (ch & 7)) & 1));
}
/* The set of "direct and optional direct characters":
A-Z a-z 0-9 ' ( ) , - . / : ? space tab lf cr
! " # $ % & * ; < = > @ [ ] ^ _ ` { | }
*/
static const unsigned char xdirect_tab[128 / 8] =
{
0x00, 0x26, 0x00, 0x00, 0xff, 0xf7, 0xff, 0xff,
0xff, 0xff, 0xff, 0xef, 0xff, 0xff, 0xff, 0x3f
};
static int
isxdirect (uint32_t ch)
{
return (ch < 128 && ((xdirect_tab[ch >> 3] >> (ch & 7)) & 1));
}
/* The set of "extended base64 characters":
A-Z a-z 0-9 + / -
*/
static const unsigned char xbase64_tab[128 / 8] =
{
0x00, 0x00, 0x00, 0x00, 0x00, 0xa8, 0xff, 0x03,
0xfe, 0xff, 0xff, 0x07, 0xfe, 0xff, 0xff, 0x07
};
static int
isxbase64 (uint32_t ch)
{
return (ch < 128 && ((xbase64_tab[ch >> 3] >> (ch & 7)) & 1));
}
/* Converts a value in the range 0..63 to a base64 encoded char. */
static unsigned char
base64 (unsigned int i)
{
if (i < 26)
return i + 'A';
else if (i < 52)
return i - 26 + 'a';
else if (i < 62)
return i - 52 + '0';
else if (i == 62)
return '+';
else if (i == 63)
return '/';
else
abort ();
}
/* Definitions used in the body of the `gconv' function. */
#define CHARSET_NAME "UTF-7//"
#define DEFINE_INIT 1
#define DEFINE_FINI 1
#define FROM_LOOP from_utf7_loop
#define TO_LOOP to_utf7_loop
#define MIN_NEEDED_FROM 1
#define MAX_NEEDED_FROM 6
#define MIN_NEEDED_TO 4
#define MAX_NEEDED_TO 4
2014-05-01 Steve Ellcey <sellcey@mips.com> * iconvdata/ansi_x3.110.c (ONE_DIRECTION): Define. * iconvdata/armscii-8.c (ONE_DIRECTION): Define. * iconvdata/big5.c (ONE_DIRECTION): Define. * iconvdata/big5hkscs.c (ONE_DIRECTION): Define. * iconvdata/cp1255.c (ONE_DIRECTION): Define. * iconvdata/cp1258.c (ONE_DIRECTION): Define. * iconvdata/cp932.c (ONE_DIRECTION): Define. * iconvdata/euc-cn.c (ONE_DIRECTION): Define. * iconvdata/euc-jisx0213.c (ONE_DIRECTION): Define. * iconvdata/euc-jp-ms.c (ONE_DIRECTION): Define. * iconvdata/euc-jp.c (ONE_DIRECTION): Define. * iconvdata/euc-kr.c (ONE_DIRECTION): Define. * iconvdata/euc-tw.c (ONE_DIRECTION): Define. * iconvdata/gb18030.c (ONE_DIRECTION): Define. * iconvdata/gbbig5.c (ONE_DIRECTION): Define. * iconvdata/gbgbk.c (ONE_DIRECTION): Define. * iconvdata/gbk.c (ONE_DIRECTION): Define. * iconvdata/ibm1364.c (ONE_DIRECTION): Define. * iconvdata/ibm930.c (ONE_DIRECTION): Define. * iconvdata/ibm932.c (ONE_DIRECTION): Define. * iconvdata/ibm933.c (ONE_DIRECTION): Define. * iconvdata/ibm935.c (ONE_DIRECTION): Define. * iconvdata/ibm937.c (ONE_DIRECTION): Define. * iconvdata/ibm939.c (ONE_DIRECTION): Define. * iconvdata/ibm943.c (ONE_DIRECTION): Define. * iconvdata/iso-2022-cn-ext.c (ONE_DIRECTION): Define. * iconvdata/iso-2022-cn.c (ONE_DIRECTION): Define. * iconvdata/iso-2022-jp-3.c (ONE_DIRECTION): Define. * iconvdata/iso-2022-jp.c (ONE_DIRECTION): Define. * iconvdata/iso-2022-kr.c (ONE_DIRECTION): Define. * iconvdata/iso646.c (ONE_DIRECTION): Define. * iconvdata/iso8859-1.c (ONE_DIRECTION): Define. * iconvdata/iso_11548-1.c (ONE_DIRECTION): Define. * iconvdata/iso_6937-2.c (ONE_DIRECTION): Define. * iconvdata/iso_6937.c (ONE_DIRECTION): Define. * iconvdata/johab.c (ONE_DIRECTION): Define. * iconvdata/shift_jisx0213.c (ONE_DIRECTION): Define. * iconvdata/sjis.c (ONE_DIRECTION): Define. * iconvdata/t.61.c (ONE_DIRECTION): Define. * iconvdata/tcvn5712-1.c (ONE_DIRECTION): Define. * iconvdata/tscii.c (ONE_DIRECTION): Define. * iconvdata/uhc.c (ONE_DIRECTION): Define. * iconvdata/unicode.c (ONE_DIRECTION): Define. * iconvdata/utf-16.c (ONE_DIRECTION): Define. * iconvdata/utf-32.c (ONE_DIRECTION): Define. * iconvdata/utf-7.c (ONE_DIRECTION): Define.
2014-05-01 20:42:40 +00:00
#define ONE_DIRECTION 0
#define PREPARE_LOOP \
mbstate_t saved_state; \
mbstate_t *statep = data->__statep;
#define EXTRA_LOOP_ARGS , statep
/* Since we might have to reset input pointer we must be able to save
and restore the state. */
#define SAVE_RESET_STATE(Save) \
if (Save) \
saved_state = *statep; \
else \
*statep = saved_state
/* First define the conversion function from UTF-7 to UCS4.
The state is structured as follows:
__count bit 2..0: zero
__count bit 8..3: shift
__wch: data
Precise meaning:
shift data
0 -- not inside base64 encoding
1..32 XX..XX00..00 inside base64, (32 - shift) bits pending
This state layout is simpler than relying on STORE_REST/UNPACK_BYTES.
When shift = 0, __wch needs to store at most one lookahead byte (see
__GCONV_INCOMPLETE_INPUT below).
*/
#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
#define MAX_NEEDED_INPUT MAX_NEEDED_FROM
#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
#define MAX_NEEDED_OUTPUT MAX_NEEDED_TO
#define LOOPFCT FROM_LOOP
#define BODY \
{ \
uint_fast8_t ch = *inptr; \
\
if ((statep->__count >> 3) == 0) \
{ \
/* base64 encoding inactive. */ \
if (isxdirect (ch)) \
{ \
inptr++; \
put32 (outptr, ch); \
outptr += 4; \
} \
else if (__glibc_likely (ch == '+')) \
{ \
if (__glibc_unlikely (inptr + 2 > inend)) \
{ \
/* Not enough input available. */ \
result = __GCONV_INCOMPLETE_INPUT; \
break; \
} \
if (inptr[1] == '-') \
{ \
inptr += 2; \
put32 (outptr, ch); \
outptr += 4; \
} \
else \
{ \
/* Switch into base64 mode. */ \
inptr++; \
statep->__count = (32 << 3); \
statep->__value.__wch = 0; \
} \
} \
else \
{ \
/* The input is invalid. */ \
Update. 2002-05-26 Bruno Haible <bruno@clisp.org> * iconv/loop.c (STANDARD_FROM_LOOP_ERR_HANDLER): New macro. (STANDARD_TO_LOOP_ERR_HANDLER): Renamed from STANDARD_ERR_HANDLER. All callers changed. * iconv/gconv_simple.c (ascii_internal_loop): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (utf8_internal_loop): Likewise. (ucs2_internal_loop): Likewise. (internal_ucs2_loop): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. * iconvdata/unicode.c (BODY for TO_LOOP): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. * iconvdata/utf-16.c (BODY for TO_LOOP): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. * iconvdata/utf-32.c (BODY for TO_LOOP): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. * iconvdata/big5.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. * iconvdata/iso-2022-jp.c (BODY for FROM_LOOP): Likewise. * iconvdata/8bit-gap.c (BODY for FROM_LOOP): Likewise. * iconvdata/8bit-generic.c (BODY for FROM_LOOP): Likewise. * iconvdata/ansi_x3.110.c (BODY for FROM_LOOP): Likewise. * iconvdata/armscii-8.c (BODY for FROM_LOOP): Likewise. * iconvdata/cp1255.c (BODY for FROM_LOOP): Likewise. * iconvdata/cp1258.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-cn.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-jisx0213.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-jp.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-kr.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-tw.c (BODY for FROM_LOOP): Likewise. * iconvdata/big5hkscs.c (BODY for FROM_LOOP): Likewise. * iconvdata/gb18030.c (BODY for FROM_LOOP): Likewise. * iconvdata/gbk.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-cn-ext.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-cn.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-jp-3.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-kr.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso646.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso_6937-2.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso_6937.c (BODY for FROM_LOOP): Likewise. * iconvdata/johab.c (BODY for FROM_LOOP): Likewise. * iconvdata/shift_jisx0213.c (BODY for FROM_LOOP): Likewise. * iconvdata/sjis.c (BODY for FROM_LOOP): Likewise. * iconvdata/t.61.c (BODY for FROM_LOOP): Likewise. * iconvdata/uhc.c (BODY for FROM_LOOP): Likewise. * iconvdata/utf-7.c (BODY for FROM_LOOP): Likewise. * iconvdata/gbbig5.c (BODY for FROM_LOOP): Likewise. When ignoring an error, still set result = __GCONV_ILLEGAL_INPUT. (BODY for TO_LOOP): Likewise. * iconvdata/ibm930.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm932.c: Include <dlfcn.h> and <stdint.h>. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm933.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm935.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm937.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm939.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm943.c: Include <dlfcn.h> and <stdint.h>. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/gbgbk.c (BODY for FROM_LOOP): Update. * iconvdata/iso8859-1.c (BODY for TO_LOOP): Update. * iconvdata/tcvn5712-1.c (BODY for TO_LOOP): Update. 2002-06-28 Kaz Kojima <kkojima@rr.iij4u.or.jp> * sysdeps/sh/dl-machine.h (elf_machine_load_address): Use local labels in assembler instructions.
2002-06-28 21:23:06 +00:00
STANDARD_FROM_LOOP_ERR_HANDLER (1); \
} \
} \
else \
{ \
/* base64 encoding active. */ \
uint32_t i; \
int shift; \
\
if (ch >= 'A' && ch <= 'Z') \
i = ch - 'A'; \
else if (ch >= 'a' && ch <= 'z') \
i = ch - 'a' + 26; \
else if (ch >= '0' && ch <= '9') \
i = ch - '0' + 52; \
else if (ch == '+') \
i = 62; \
else if (ch == '/') \
i = 63; \
else \
{ \
/* Terminate base64 encoding. */ \
\
/* If accumulated data is nonzero, the input is invalid. */ \
/* Also, partial UTF-16 characters are invalid. */ \
if (__builtin_expect (statep->__value.__wch != 0, 0) \
|| __builtin_expect ((statep->__count >> 3) <= 26, 0)) \
{ \
Update. 2002-05-26 Bruno Haible <bruno@clisp.org> * iconv/loop.c (STANDARD_FROM_LOOP_ERR_HANDLER): New macro. (STANDARD_TO_LOOP_ERR_HANDLER): Renamed from STANDARD_ERR_HANDLER. All callers changed. * iconv/gconv_simple.c (ascii_internal_loop): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (utf8_internal_loop): Likewise. (ucs2_internal_loop): Likewise. (internal_ucs2_loop): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. * iconvdata/unicode.c (BODY for TO_LOOP): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. * iconvdata/utf-16.c (BODY for TO_LOOP): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. * iconvdata/utf-32.c (BODY for TO_LOOP): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. * iconvdata/big5.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. * iconvdata/iso-2022-jp.c (BODY for FROM_LOOP): Likewise. * iconvdata/8bit-gap.c (BODY for FROM_LOOP): Likewise. * iconvdata/8bit-generic.c (BODY for FROM_LOOP): Likewise. * iconvdata/ansi_x3.110.c (BODY for FROM_LOOP): Likewise. * iconvdata/armscii-8.c (BODY for FROM_LOOP): Likewise. * iconvdata/cp1255.c (BODY for FROM_LOOP): Likewise. * iconvdata/cp1258.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-cn.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-jisx0213.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-jp.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-kr.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-tw.c (BODY for FROM_LOOP): Likewise. * iconvdata/big5hkscs.c (BODY for FROM_LOOP): Likewise. * iconvdata/gb18030.c (BODY for FROM_LOOP): Likewise. * iconvdata/gbk.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-cn-ext.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-cn.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-jp-3.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-kr.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso646.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso_6937-2.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso_6937.c (BODY for FROM_LOOP): Likewise. * iconvdata/johab.c (BODY for FROM_LOOP): Likewise. * iconvdata/shift_jisx0213.c (BODY for FROM_LOOP): Likewise. * iconvdata/sjis.c (BODY for FROM_LOOP): Likewise. * iconvdata/t.61.c (BODY for FROM_LOOP): Likewise. * iconvdata/uhc.c (BODY for FROM_LOOP): Likewise. * iconvdata/utf-7.c (BODY for FROM_LOOP): Likewise. * iconvdata/gbbig5.c (BODY for FROM_LOOP): Likewise. When ignoring an error, still set result = __GCONV_ILLEGAL_INPUT. (BODY for TO_LOOP): Likewise. * iconvdata/ibm930.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm932.c: Include <dlfcn.h> and <stdint.h>. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm933.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm935.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm937.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm939.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm943.c: Include <dlfcn.h> and <stdint.h>. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/gbgbk.c (BODY for FROM_LOOP): Update. * iconvdata/iso8859-1.c (BODY for TO_LOOP): Update. * iconvdata/tcvn5712-1.c (BODY for TO_LOOP): Update. 2002-06-28 Kaz Kojima <kkojima@rr.iij4u.or.jp> * sysdeps/sh/dl-machine.h (elf_machine_load_address): Use local labels in assembler instructions.
2002-06-28 21:23:06 +00:00
STANDARD_FROM_LOOP_ERR_HANDLER ((statep->__count = 0, 1)); \
} \
\
if (ch == '-') \
inptr++; \
\
statep->__count = 0; \
continue; \
} \
\
/* Concatenate the base64 integer i to the accumulator. */ \
shift = (statep->__count >> 3); \
if (shift > 6) \
{ \
uint32_t wch; \
\
shift -= 6; \
wch = statep->__value.__wch | (i << shift); \
\
if (shift <= 16 && shift > 10) \
{ \
/* An UTF-16 character has just been completed. */ \
uint32_t wc1 = wch >> 16; \
\
/* UTF-16: When we see a High Surrogate, we must also decode \
the following Low Surrogate. */ \
if (!(wc1 >= 0xd800 && wc1 < 0xdc00)) \
{ \
wch = wch << 16; \
shift += 16; \
put32 (outptr, wc1); \
outptr += 4; \
} \
} \
else if (shift <= 10 && shift > 4) \
{ \
/* After a High Surrogate, verify that the next 16 bit \
indeed form a Low Surrogate. */ \
uint32_t wc2 = wch & 0xffff; \
\
if (! __builtin_expect (wc2 >= 0xdc00 && wc2 < 0xe000, 1)) \
{ \
Update. 2002-05-26 Bruno Haible <bruno@clisp.org> * iconv/loop.c (STANDARD_FROM_LOOP_ERR_HANDLER): New macro. (STANDARD_TO_LOOP_ERR_HANDLER): Renamed from STANDARD_ERR_HANDLER. All callers changed. * iconv/gconv_simple.c (ascii_internal_loop): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (utf8_internal_loop): Likewise. (ucs2_internal_loop): Likewise. (internal_ucs2_loop): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. * iconvdata/unicode.c (BODY for TO_LOOP): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. * iconvdata/utf-16.c (BODY for TO_LOOP): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. * iconvdata/utf-32.c (BODY for TO_LOOP): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. * iconvdata/big5.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. * iconvdata/iso-2022-jp.c (BODY for FROM_LOOP): Likewise. * iconvdata/8bit-gap.c (BODY for FROM_LOOP): Likewise. * iconvdata/8bit-generic.c (BODY for FROM_LOOP): Likewise. * iconvdata/ansi_x3.110.c (BODY for FROM_LOOP): Likewise. * iconvdata/armscii-8.c (BODY for FROM_LOOP): Likewise. * iconvdata/cp1255.c (BODY for FROM_LOOP): Likewise. * iconvdata/cp1258.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-cn.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-jisx0213.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-jp.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-kr.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-tw.c (BODY for FROM_LOOP): Likewise. * iconvdata/big5hkscs.c (BODY for FROM_LOOP): Likewise. * iconvdata/gb18030.c (BODY for FROM_LOOP): Likewise. * iconvdata/gbk.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-cn-ext.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-cn.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-jp-3.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-kr.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso646.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso_6937-2.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso_6937.c (BODY for FROM_LOOP): Likewise. * iconvdata/johab.c (BODY for FROM_LOOP): Likewise. * iconvdata/shift_jisx0213.c (BODY for FROM_LOOP): Likewise. * iconvdata/sjis.c (BODY for FROM_LOOP): Likewise. * iconvdata/t.61.c (BODY for FROM_LOOP): Likewise. * iconvdata/uhc.c (BODY for FROM_LOOP): Likewise. * iconvdata/utf-7.c (BODY for FROM_LOOP): Likewise. * iconvdata/gbbig5.c (BODY for FROM_LOOP): Likewise. When ignoring an error, still set result = __GCONV_ILLEGAL_INPUT. (BODY for TO_LOOP): Likewise. * iconvdata/ibm930.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm932.c: Include <dlfcn.h> and <stdint.h>. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm933.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm935.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm937.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm939.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm943.c: Include <dlfcn.h> and <stdint.h>. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/gbgbk.c (BODY for FROM_LOOP): Update. * iconvdata/iso8859-1.c (BODY for TO_LOOP): Update. * iconvdata/tcvn5712-1.c (BODY for TO_LOOP): Update. 2002-06-28 Kaz Kojima <kkojima@rr.iij4u.or.jp> * sysdeps/sh/dl-machine.h (elf_machine_load_address): Use local labels in assembler instructions.
2002-06-28 21:23:06 +00:00
STANDARD_FROM_LOOP_ERR_HANDLER ((statep->__count = 0, 1));\
} \
} \
\
statep->__value.__wch = wch; \
} \
else \
{ \
/* An UTF-16 surrogate pair has just been completed. */ \
uint32_t wc1 = (uint32_t) statep->__value.__wch >> 16; \
uint32_t wc2 = ((uint32_t) statep->__value.__wch & 0xffff) \
| (i >> (6 - shift)); \
\
statep->__value.__wch = (i << shift) << 26; \
shift += 26; \
\
assert (wc1 >= 0xd800 && wc1 < 0xdc00); \
assert (wc2 >= 0xdc00 && wc2 < 0xe000); \
put32 (outptr, \
0x10000 + ((wc1 - 0xd800) << 10) + (wc2 - 0xdc00)); \
outptr += 4; \
} \
\
statep->__count = shift << 3; \
\
/* Now that we digested the input increment the input pointer. */ \
inptr++; \
} \
}
#define LOOP_NEED_FLAGS
#define EXTRA_LOOP_DECLS , mbstate_t *statep
#include <iconv/loop.c>
/* Next, define the conversion from UCS4 to UTF-7.
The state is structured as follows:
__count bit 2..0: zero
__count bit 4..3: shift
__count bit 8..5: data
Precise meaning:
shift data
0 0 not inside base64 encoding
1 0 inside base64, no pending bits
2 XX00 inside base64, 2 bits known for next byte
3 XXXX inside base64, 4 bits known for next byte
__count bit 2..0 and __wch are always zero, because this direction
never returns __GCONV_INCOMPLETE_INPUT.
*/
#define MIN_NEEDED_INPUT MIN_NEEDED_TO
#define MAX_NEEDED_INPUT MAX_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 = get32 (inptr); \
\
if ((statep->__count & 0x18) == 0) \
{ \
/* base64 encoding inactive */ \
if (UTF7_ENCODE_OPTIONAL_CHARS ? isdirect (ch) : isxdirect (ch)) \
{ \
*outptr++ = (unsigned char) ch; \
} \
else \
{ \
size_t count; \
\
if (ch == '+') \
count = 2; \
else if (ch < 0x10000) \
count = 3; \
else if (ch < 0x110000) \
count = 6; \
else \
Update. 2002-05-26 Bruno Haible <bruno@clisp.org> * iconv/loop.c (STANDARD_FROM_LOOP_ERR_HANDLER): New macro. (STANDARD_TO_LOOP_ERR_HANDLER): Renamed from STANDARD_ERR_HANDLER. All callers changed. * iconv/gconv_simple.c (ascii_internal_loop): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (utf8_internal_loop): Likewise. (ucs2_internal_loop): Likewise. (internal_ucs2_loop): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. * iconvdata/unicode.c (BODY for TO_LOOP): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. * iconvdata/utf-16.c (BODY for TO_LOOP): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. * iconvdata/utf-32.c (BODY for TO_LOOP): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. * iconvdata/big5.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. * iconvdata/iso-2022-jp.c (BODY for FROM_LOOP): Likewise. * iconvdata/8bit-gap.c (BODY for FROM_LOOP): Likewise. * iconvdata/8bit-generic.c (BODY for FROM_LOOP): Likewise. * iconvdata/ansi_x3.110.c (BODY for FROM_LOOP): Likewise. * iconvdata/armscii-8.c (BODY for FROM_LOOP): Likewise. * iconvdata/cp1255.c (BODY for FROM_LOOP): Likewise. * iconvdata/cp1258.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-cn.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-jisx0213.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-jp.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-kr.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-tw.c (BODY for FROM_LOOP): Likewise. * iconvdata/big5hkscs.c (BODY for FROM_LOOP): Likewise. * iconvdata/gb18030.c (BODY for FROM_LOOP): Likewise. * iconvdata/gbk.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-cn-ext.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-cn.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-jp-3.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-kr.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso646.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso_6937-2.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso_6937.c (BODY for FROM_LOOP): Likewise. * iconvdata/johab.c (BODY for FROM_LOOP): Likewise. * iconvdata/shift_jisx0213.c (BODY for FROM_LOOP): Likewise. * iconvdata/sjis.c (BODY for FROM_LOOP): Likewise. * iconvdata/t.61.c (BODY for FROM_LOOP): Likewise. * iconvdata/uhc.c (BODY for FROM_LOOP): Likewise. * iconvdata/utf-7.c (BODY for FROM_LOOP): Likewise. * iconvdata/gbbig5.c (BODY for FROM_LOOP): Likewise. When ignoring an error, still set result = __GCONV_ILLEGAL_INPUT. (BODY for TO_LOOP): Likewise. * iconvdata/ibm930.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm932.c: Include <dlfcn.h> and <stdint.h>. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm933.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm935.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm937.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm939.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm943.c: Include <dlfcn.h> and <stdint.h>. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/gbgbk.c (BODY for FROM_LOOP): Update. * iconvdata/iso8859-1.c (BODY for TO_LOOP): Update. * iconvdata/tcvn5712-1.c (BODY for TO_LOOP): Update. 2002-06-28 Kaz Kojima <kkojima@rr.iij4u.or.jp> * sysdeps/sh/dl-machine.h (elf_machine_load_address): Use local labels in assembler instructions.
2002-06-28 21:23:06 +00:00
STANDARD_TO_LOOP_ERR_HANDLER (4); \
\
if (__glibc_unlikely (outptr + count > outend)) \
{ \
result = __GCONV_FULL_OUTPUT; \
break; \
} \
\
*outptr++ = '+'; \
if (ch == '+') \
*outptr++ = '-'; \
else if (ch < 0x10000) \
{ \
*outptr++ = base64 (ch >> 10); \
*outptr++ = base64 ((ch >> 4) & 0x3f); \
statep->__count = ((ch & 15) << 5) | (3 << 3); \
} \
else if (ch < 0x110000) \
{ \
uint32_t ch1 = 0xd800 + ((ch - 0x10000) >> 10); \
uint32_t ch2 = 0xdc00 + ((ch - 0x10000) & 0x3ff); \
\
ch = (ch1 << 16) | ch2; \
*outptr++ = base64 (ch >> 26); \
*outptr++ = base64 ((ch >> 20) & 0x3f); \
*outptr++ = base64 ((ch >> 14) & 0x3f); \
*outptr++ = base64 ((ch >> 8) & 0x3f); \
*outptr++ = base64 ((ch >> 2) & 0x3f); \
statep->__count = ((ch & 3) << 7) | (2 << 3); \
} \
else \
abort (); \
} \
} \
else \
{ \
/* base64 encoding active */ \
if (UTF7_ENCODE_OPTIONAL_CHARS ? isdirect (ch) : isxdirect (ch)) \
{ \
/* deactivate base64 encoding */ \
size_t count; \
\
count = ((statep->__count & 0x18) >= 0x10) + isxbase64 (ch) + 1; \
if (__glibc_unlikely (outptr + count > outend)) \
{ \
result = __GCONV_FULL_OUTPUT; \
break; \
} \
\
if ((statep->__count & 0x18) >= 0x10) \
*outptr++ = base64 ((statep->__count >> 3) & ~3); \
if (isxbase64 (ch)) \
*outptr++ = '-'; \
*outptr++ = (unsigned char) ch; \
statep->__count = 0; \
} \
else \
{ \
size_t count; \
\
if (ch < 0x10000) \
count = ((statep->__count & 0x18) >= 0x10 ? 3 : 2); \
else if (ch < 0x110000) \
count = ((statep->__count & 0x18) >= 0x18 ? 6 : 5); \
else \
Update. 2002-05-26 Bruno Haible <bruno@clisp.org> * iconv/loop.c (STANDARD_FROM_LOOP_ERR_HANDLER): New macro. (STANDARD_TO_LOOP_ERR_HANDLER): Renamed from STANDARD_ERR_HANDLER. All callers changed. * iconv/gconv_simple.c (ascii_internal_loop): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (utf8_internal_loop): Likewise. (ucs2_internal_loop): Likewise. (internal_ucs2_loop): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. * iconvdata/unicode.c (BODY for TO_LOOP): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. * iconvdata/utf-16.c (BODY for TO_LOOP): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. * iconvdata/utf-32.c (BODY for TO_LOOP): Perform error handling like in STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. * iconvdata/big5.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. * iconvdata/iso-2022-jp.c (BODY for FROM_LOOP): Likewise. * iconvdata/8bit-gap.c (BODY for FROM_LOOP): Likewise. * iconvdata/8bit-generic.c (BODY for FROM_LOOP): Likewise. * iconvdata/ansi_x3.110.c (BODY for FROM_LOOP): Likewise. * iconvdata/armscii-8.c (BODY for FROM_LOOP): Likewise. * iconvdata/cp1255.c (BODY for FROM_LOOP): Likewise. * iconvdata/cp1258.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-cn.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-jisx0213.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-jp.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-kr.c (BODY for FROM_LOOP): Likewise. * iconvdata/euc-tw.c (BODY for FROM_LOOP): Likewise. * iconvdata/big5hkscs.c (BODY for FROM_LOOP): Likewise. * iconvdata/gb18030.c (BODY for FROM_LOOP): Likewise. * iconvdata/gbk.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-cn-ext.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-cn.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-jp-3.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso-2022-kr.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso646.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso_6937-2.c (BODY for FROM_LOOP): Likewise. * iconvdata/iso_6937.c (BODY for FROM_LOOP): Likewise. * iconvdata/johab.c (BODY for FROM_LOOP): Likewise. * iconvdata/shift_jisx0213.c (BODY for FROM_LOOP): Likewise. * iconvdata/sjis.c (BODY for FROM_LOOP): Likewise. * iconvdata/t.61.c (BODY for FROM_LOOP): Likewise. * iconvdata/uhc.c (BODY for FROM_LOOP): Likewise. * iconvdata/utf-7.c (BODY for FROM_LOOP): Likewise. * iconvdata/gbbig5.c (BODY for FROM_LOOP): Likewise. When ignoring an error, still set result = __GCONV_ILLEGAL_INPUT. (BODY for TO_LOOP): Likewise. * iconvdata/ibm930.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm932.c: Include <dlfcn.h> and <stdint.h>. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm933.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm935.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm937.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm939.c (BODY for FROM_LOOP): For error handling use STANDARD_FROM_LOOP_ERR_HANDLER. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/ibm943.c: Include <dlfcn.h> and <stdint.h>. (BODY for FROM_LOOP): Use STANDARD_FROM_LOOP_ERR_HANDLER for error handling. (BODY for TO_LOOP): Here use STANDARD_TO_LOOP_ERR_HANDLER. * iconvdata/gbgbk.c (BODY for FROM_LOOP): Update. * iconvdata/iso8859-1.c (BODY for TO_LOOP): Update. * iconvdata/tcvn5712-1.c (BODY for TO_LOOP): Update. 2002-06-28 Kaz Kojima <kkojima@rr.iij4u.or.jp> * sysdeps/sh/dl-machine.h (elf_machine_load_address): Use local labels in assembler instructions.
2002-06-28 21:23:06 +00:00
STANDARD_TO_LOOP_ERR_HANDLER (4); \
\
if (__glibc_unlikely (outptr + count > outend)) \
{ \
result = __GCONV_FULL_OUTPUT; \
break; \
} \
\
if (ch < 0x10000) \
{ \
switch ((statep->__count >> 3) & 3) \
{ \
case 1: \
*outptr++ = base64 (ch >> 10); \
*outptr++ = base64 ((ch >> 4) & 0x3f); \
statep->__count = ((ch & 15) << 5) | (3 << 3); \
break; \
case 2: \
*outptr++ = \
base64 (((statep->__count >> 3) & ~3) | (ch >> 12)); \
*outptr++ = base64 ((ch >> 6) & 0x3f); \
*outptr++ = base64 (ch & 0x3f); \
statep->__count = (1 << 3); \
break; \
case 3: \
*outptr++ = \
base64 (((statep->__count >> 3) & ~3) | (ch >> 14)); \
*outptr++ = base64 ((ch >> 8) & 0x3f); \
*outptr++ = base64 ((ch >> 2) & 0x3f); \
statep->__count = ((ch & 3) << 7) | (2 << 3); \
break; \
default: \
abort (); \
} \
} \
else if (ch < 0x110000) \
{ \
uint32_t ch1 = 0xd800 + ((ch - 0x10000) >> 10); \
uint32_t ch2 = 0xdc00 + ((ch - 0x10000) & 0x3ff); \
\
ch = (ch1 << 16) | ch2; \
switch ((statep->__count >> 3) & 3) \
{ \
case 1: \
*outptr++ = base64 (ch >> 26); \
*outptr++ = base64 ((ch >> 20) & 0x3f); \
*outptr++ = base64 ((ch >> 14) & 0x3f); \
*outptr++ = base64 ((ch >> 8) & 0x3f); \
*outptr++ = base64 ((ch >> 2) & 0x3f); \
statep->__count = ((ch & 3) << 7) | (2 << 3); \
break; \
case 2: \
*outptr++ = \
base64 (((statep->__count >> 3) & ~3) | (ch >> 28)); \
*outptr++ = base64 ((ch >> 22) & 0x3f); \
*outptr++ = base64 ((ch >> 16) & 0x3f); \
*outptr++ = base64 ((ch >> 10) & 0x3f); \
*outptr++ = base64 ((ch >> 4) & 0x3f); \
statep->__count = ((ch & 15) << 5) | (3 << 3); \
break; \
case 3: \
*outptr++ = \
base64 (((statep->__count >> 3) & ~3) | (ch >> 30)); \
*outptr++ = base64 ((ch >> 24) & 0x3f); \
*outptr++ = base64 ((ch >> 18) & 0x3f); \
*outptr++ = base64 ((ch >> 12) & 0x3f); \
*outptr++ = base64 ((ch >> 6) & 0x3f); \
*outptr++ = base64 (ch & 0x3f); \
statep->__count = (1 << 3); \
break; \
default: \
abort (); \
} \
} \
else \
abort (); \
} \
} \
\
/* Now that we wrote the output increment the input pointer. */ \
inptr += 4; \
}
#define LOOP_NEED_FLAGS
#define EXTRA_LOOP_DECLS , mbstate_t *statep
#include <iconv/loop.c>
/* 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 (FROM_DIRECTION) \
/* Nothing to emit. */ \
memset (data->__statep, '\0', sizeof (mbstate_t)); \
else \
{ \
/* The "to UTF-7" direction. Flush the remaining bits and terminate \
with a '-' byte. This will guarantee correct decoding if more \
UTF-7 encoded text is added afterwards. */ \
int state = data->__statep->__count; \
\
if (state & 0x18) \
{ \
/* Deactivate base64 encoding. */ \
size_t count = ((state & 0x18) >= 0x10) + 1; \
\
if (__glibc_unlikely (outbuf + count > outend)) \
/* We don't have enough room in the output buffer. */ \
status = __GCONV_FULL_OUTPUT; \
else \
{ \
/* Write out the shift sequence. */ \
if ((state & 0x18) >= 0x10) \
*outbuf++ = base64 ((state >> 3) & ~3); \
*outbuf++ = '-'; \
\
data->__statep->__count = 0; \
} \
} \
else \
data->__statep->__count = 0; \
}
/* Now define the toplevel functions. */
#include <iconv/skeleton.c>