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* iconv/gconv_int.h (__GCONV_NULCONV): New internal only error code.

Browse Source 
* iconv/gconv_cache.c (__gconv_lookup_cache): Return __GCONV_NULCONV
	if from and to charsets are the same.
	* iconv/gconv_db.c (__gconv_find_transform): Likewise.
	* intl/dcigettext.c (_nl_find_msg): Return NULL even if __gconv_open
	returns __GCONV_NOCONV, but not for __GCONV_NULCONV.

2007-07-17  Jakub Jelinek  <jakub@redhat.com>

	* wcsmbs/wchar.h: Only define wint_t if __need_wint_t.
	Don't define wint_t when __need_mbstate_t unless it
	is necessary.
	(__mbstate_t): Use __WINT_TYPE__ rather than wint_t
	in the typedef if possible.
	* wctype/wctype.h (wint_t): Define by including
	wchar.h with __need_wint_t instead of including stddef.h
	with __need_wint_t and as fallback definining it ourselves.
	* iconv/gconv.h (__need_wint_t): Define before including
	wchar.h.
	* sysdeps/gnu/_G_config.h: Don't include gconv.h if not _LIBC
	or _GLIBCPP_USE_WCHAR_T.
	(__need_wchar_t): Don't define
	if not _LIBC or _GLIBCPP_USE_WCHAR_T.
	(__need_wint_t): Don't define before including stddef.h,
	define before including wchar.h only if _LIBC or
	_GLIBCPP_USE_WCHAR_T.
	(_G_iconv_t): Don't define if not _LIBC or _GLIBCPP_USE_WCHAR_T.
	* sysdeps/mach/hurd/_G_config.h: Likewise.
	* sysdeps/generic/_G_config.h: Likewise.
	* libio/libio.h (__wunderflow, __wuflow, __woverflow): Only
	prototype if _LIBC or _GLIBCPP_USE_WCHAR_T.
	(_IO_getwc_unlocked, _IO_putwc_unlocked): Only define
	if _LIBC or _GLIBCPP_USE_WCHAR_T.
This commit is contained in:
Ulrich Drepper 2007-07-28 19:02:07 +00:00
parent a95a608f1b
commit 7b503bcc13
12 changed files with 107 additions and 72 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
ChangeLog
View File

@ -1,3 +1,39 @@
2007-07-19 Jakub Jelinek <jakub@redhat.com>
* iconv/gconv_int.h (__GCONV_NULCONV): New internal only error code.
* iconv/gconv_cache.c (__gconv_lookup_cache): Return __GCONV_NULCONV
if from and to charsets are the same.
* iconv/gconv_db.c (__gconv_find_transform): Likewise.
* intl/dcigettext.c (_nl_find_msg): Return NULL even if __gconv_open
returns __GCONV_NOCONV, but not for __GCONV_NULCONV.
2007-07-17 Jakub Jelinek <jakub@redhat.com>
* wcsmbs/wchar.h: Only define wint_t if __need_wint_t.
Don't define wint_t when __need_mbstate_t unless it
is necessary.
(__mbstate_t): Use __WINT_TYPE__ rather than wint_t
in the typedef if possible.
* wctype/wctype.h (wint_t): Define by including
wchar.h with __need_wint_t instead of including stddef.h
with __need_wint_t and as fallback definining it ourselves.
* iconv/gconv.h (__need_wint_t): Define before including
wchar.h.
* sysdeps/gnu/_G_config.h: Don't include gconv.h if not _LIBC
or _GLIBCPP_USE_WCHAR_T.
(__need_wchar_t): Don't define
if not _LIBC or _GLIBCPP_USE_WCHAR_T.
(__need_wint_t): Don't define before including stddef.h,
define before including wchar.h only if _LIBC or
_GLIBCPP_USE_WCHAR_T.
(_G_iconv_t): Don't define if not _LIBC or _GLIBCPP_USE_WCHAR_T.
* sysdeps/mach/hurd/_G_config.h: Likewise.
* sysdeps/generic/_G_config.h: Likewise.
* libio/libio.h (__wunderflow, __wuflow, __woverflow): Only
prototype if _LIBC or _GLIBCPP_USE_WCHAR_T.
(_IO_getwc_unlocked, _IO_putwc_unlocked): Only define
if _LIBC or _GLIBCPP_USE_WCHAR_T.
2007-07-28 Ulrich Drepper <drepper@redhat.com>
* sysdeps/posix/posix_fallocate64.c: Undefine

3
iconv/gconv.h
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1997-1999, 2000-2002 Free Software Foundation, Inc.
/* Copyright (C) 1997-1999, 2000-2002, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -25,6 +25,7 @@
#include <features.h>
#define __need_mbstate_t
#define __need_wint_t
#include <wchar.h>
#define __need_size_t
#define __need_wchar_t

4
iconv/gconv_cache.c
View File

@ -1,5 +1,5 @@
/* Cache handling for iconv modules.
Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
Copyright (C) 2001, 2002, 2003, 2005, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 2001.
@ -285,7 +285,7 @@ __gconv_lookup_cache (const char *toset, const char *fromset,
/* Avoid copy-only transformations if the user requests. */
if (__builtin_expect (flags & GCONV_AVOID_NOCONV, 0) && fromidx == toidx)
return __GCONV_NOCONV;
return __GCONV_NULCONV;
/* If there are special conversions available examine them first. */
if (fromidx != 0 && toidx != 0

5
iconv/gconv_db.c
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@ -1,5 +1,6 @@
/* Provide access to the collection of available transformation modules.
Copyright (C) 1997-2003, 2004, 2005, 2006 Free Software Foundation, Inc.
Copyright (C) 1997-2003, 2004, 2005, 2006, 2007
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@ -756,7 +757,7 @@ __gconv_find_transform (const char *toset, const char *fromset,
{
/* Both character sets are the same. */
__libc_lock_unlock (__gconv_lock);
return __GCONV_NOCONV;
return __GCONV_NULCONV;
}
result = find_derivation (toset, toset_expand, fromset, fromset_expand,

8
iconv/gconv_int.h
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1997-2005, 2006 Free Software Foundation, Inc.
/* Copyright (C) 1997-2005, 2006, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@ -114,6 +114,12 @@ enum
GCONV_AVOID_NOCONV = 1 << 0
};
/* When GCONV_AVOID_NOCONV is set and no conversion is needed,
__GCONV_NULCONV should be returned. */
enum
{
__GCONV_NULCONV = -1
};
/* Global variables. */

4
intl/dcigettext.c
View File

@ -1,5 +1,5 @@
/* Implementation of the internal dcigettext function.
Copyright (C) 1995-2005, 2006 Free Software Foundation, Inc.
Copyright (C) 1995-2005, 2006, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -948,7 +948,7 @@ _nl_find_msg (domain_file, domainbinding, msgid, convert, lengthp)
/* If the output encoding is the same there is
nothing to do. Otherwise do not use the
translation at all. */
if (__builtin_expect (r != __GCONV_NOCONV, 1))
if (__builtin_expect (r != __GCONV_NULCONV, 1))
return NULL;
convd->conv = (__gconv_t) -1;

10
libio/libio.h
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1991-1995,1997-2005,2006 Free Software Foundation, Inc.
/* Copyright (C) 1991-1995,1997-2006,2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Per Bothner <bothner@cygnus.com>.
@ -413,9 +413,11 @@ extern "C" {
extern int __underflow (_IO_FILE *);
extern int __uflow (_IO_FILE *);
extern int __overflow (_IO_FILE *, int);
#if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
extern _IO_wint_t __wunderflow (_IO_FILE *);
extern _IO_wint_t __wuflow (_IO_FILE *);
extern _IO_wint_t __woverflow (_IO_FILE *, _IO_wint_t);
#endif
#if __GNUC__ >= 3
# define _IO_BE(expr, res) __builtin_expect ((expr), res)
@ -435,15 +437,17 @@ extern _IO_wint_t __woverflow (_IO_FILE *, _IO_wint_t);
? __overflow (_fp, (unsigned char) (_ch)) \
: (unsigned char) (*(_fp)->_IO_write_ptr++ = (_ch)))
#define _IO_getwc_unlocked(_fp) \
#if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
# define _IO_getwc_unlocked(_fp) \
(_IO_BE ((_fp)->_wide_data->_IO_read_ptr >= (_fp)->_wide_data->_IO_read_end,\
0) \
? __wuflow (_fp) : (_IO_wint_t) *(_fp)->_wide_data->_IO_read_ptr++)
#define _IO_putwc_unlocked(_wch, _fp) \
# define _IO_putwc_unlocked(_wch, _fp) \
(_IO_BE ((_fp)->_wide_data->_IO_write_ptr \
>= (_fp)->_wide_data->_IO_write_end, 0) \
? __woverflow (_fp, _wch) \
: (_IO_wint_t) (*(_fp)->_wide_data->_IO_write_ptr++ = (_wch)))
#endif
#define _IO_feof_unlocked(__fp) (((__fp)->_flags & _IO_EOF_SEEN) != 0)
#define _IO_ferror_unlocked(__fp) (((__fp)->_flags & _IO_ERR_SEEN) != 0)

20
sysdeps/generic/_G_config.h
View File

@ -8,19 +8,15 @@
#include <bits/types.h>
#define __need_size_t
#define __need_wchar_t
#define __need_wint_t
#if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
# define __need_wchar_t
#endif
#define __need_NULL
#include <stddef.h>
#ifndef _WINT_T
/* Integral type unchanged by default argument promotions that can
hold any value corresponding to members of the extended character
set, as well as at least one value that does not correspond to any
member of the extended character set. */
# define _WINT_T
typedef unsigned int wint_t;
#endif
#define __need_mbstate_t
#if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
# define __need_wint_t
#endif
#include <wchar.h>
#define _G_size_t size_t
typedef struct
@ -41,7 +37,8 @@ typedef struct
#define _G_wchar_t wchar_t
#define _G_wint_t wint_t
#define _G_stat64 stat
#include <gconv.h>
#if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
# include <gconv.h>
typedef union
{
struct __gconv_info __cd;
@ -51,6 +48,7 @@ typedef union
struct __gconv_step_data __data;
} __combined;
} _G_iconv_t;
#endif
typedef int _G_int16_t __attribute__ ((__mode__ (__HI__)));
typedef int _G_int32_t __attribute__ ((__mode__ (__SI__)));

20
sysdeps/gnu/_G_config.h
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@ -8,19 +8,15 @@
#include <bits/types.h>
#define __need_size_t
#define __need_wchar_t
#define __need_wint_t
#if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
# define __need_wchar_t
#endif
#define __need_NULL
#include <stddef.h>
#ifndef _WINT_T
/* Integral type unchanged by default argument promotions that can
hold any value corresponding to members of the extended character
set, as well as at least one value that does not correspond to any
member of the extended character set. */
# define _WINT_T
typedef unsigned int wint_t;
#endif
#define __need_mbstate_t
#if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
# define __need_wint_t
#endif
#include <wchar.h>
#define _G_size_t size_t
typedef struct
@ -41,7 +37,8 @@ typedef struct
#define _G_wchar_t wchar_t
#define _G_wint_t wint_t
#define _G_stat64 stat64
#include <gconv.h>
#if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
# include <gconv.h>
typedef union
{
struct __gconv_info __cd;
@ -51,6 +48,7 @@ typedef union
struct __gconv_step_data __data;
} __combined;
} _G_iconv_t;
#endif
typedef int _G_int16_t __attribute__ ((__mode__ (__HI__)));
typedef int _G_int32_t __attribute__ ((__mode__ (__SI__)));

20
sysdeps/mach/hurd/_G_config.h
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@ -8,19 +8,15 @@
#include <bits/types.h>
#define __need_size_t
#define __need_wchar_t
#define __need_wint_t
#if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
# define __need_wchar_t
#endif
#define __need_NULL
#include <stddef.h>
#ifndef _WINT_T
/* Integral type unchanged by default argument promotions that can
hold any value corresponding to members of the extended character
set, as well as at least one value that does not correspond to any
member of the extended character set. */
# define _WINT_T
typedef unsigned int wint_t;
#endif
#define __need_mbstate_t
#if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
# define __need_wint_t
#endif
#include <wchar.h>
#define _G_size_t size_t
typedef struct
@ -41,7 +37,8 @@ typedef struct
#define _G_wchar_t wchar_t
#define _G_wint_t wint_t
#define _G_stat64 stat64
#include <gconv.h>
#if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
# include <gconv.h>
typedef union
{
struct __gconv_info __cd;
@ -51,6 +48,7 @@ typedef union
struct __gconv_step_data __data;
} __combined;
} _G_iconv_t;
#endif
typedef int _G_int16_t __attribute__ ((__mode__ (__HI__)));
typedef int _G_int32_t __attribute__ ((__mode__ (__SI__)));

30
wcsmbs/wchar.h
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@ -23,7 +23,7 @@
#ifndef _WCHAR_H
#ifndef __need_mbstate_t
#if !defined __need_mbstate_t && !defined __need_wint_t
# define _WCHAR_H 1
# include <features.h>
#endif
@ -39,38 +39,40 @@
# define __need___va_list
# include <stdarg.h>
# include <bits/wchar.h>
/* Get size_t, wchar_t, wint_t and NULL from <stddef.h>. */
# define __need_size_t
# define __need_wchar_t
# define __need_NULL
#endif
#define __need_wint_t
#include <stddef.h>
#include <bits/wchar.h>
#if defined _WCHAR_H || defined __need_wint_t || !defined __WINT_TYPE__
# undef __need_wint_t
# define __need_wint_t
# include <stddef.h>
/* We try to get wint_t from <stddef.h>, but not all GCC versions define it
there. So define it ourselves if it remains undefined. */
#ifndef _WINT_T
# ifndef _WINT_T
/* Integral type unchanged by default argument promotions that can
hold any value corresponding to members of the extended character
set, as well as at least one value that does not correspond to any
member of the extended character set. */
# define _WINT_T
# define _WINT_T
typedef unsigned int wint_t;
#else
# else
/* Work around problems with the <stddef.h> file which doesn't put
wint_t in the std namespace. */
# if defined __cplusplus && defined _GLIBCPP_USE_NAMESPACES \
&& defined __WINT_TYPE__
# if defined __cplusplus && defined _GLIBCPP_USE_NAMESPACES \
&& defined __WINT_TYPE__
__BEGIN_NAMESPACE_STD
typedef __WINT_TYPE__ wint_t;
__END_NAMESPACE_STD
# endif
# endif
#endif
#ifndef __mbstate_t_defined
#if (defined _WCHAR_H || defined __need_mbstate_t) && !defined __mbstate_t_defined
# define __mbstate_t_defined 1
/* Conversion state information. */
typedef struct
@ -78,7 +80,11 @@ typedef struct
int __count;
union
{
# ifdef __WINT_TYPE__
__WINT_TYPE__ __wch;
# else
wint_t __wch;
# endif
char __wchb[4];
} __value; /* Value so far. */
} __mbstate_t;

19
wctype/wctype.h
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@ -1,4 +1,4 @@
/* Copyright (C) 1996-2002, 2005 Free Software Foundation, Inc.
/* Copyright (C) 1996-2002, 2005, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -29,22 +29,9 @@
#ifndef __need_iswxxx
# define _WCTYPE_H 1
/* We try to get wint_t from <stddef.h>, but not all GCC versions define it
there. So define it ourselves if it remains undefined. */
/* Get wint_t from <wchar.h>. */
# define __need_wint_t
# include <stddef.h>
# ifndef _WINT_T
/* Integral type unchanged by default argument promotions that can
hold any value corresponding to members of the extended character
set, as well as at least one value that does not correspond to any
member of the extended character set. */
# define _WINT_T
typedef unsigned int wint_t;
# else
# ifdef __USE_ISOC99
__USING_NAMESPACE_C99(wint_t)
# endif
# endif
# include <wchar.h>
/* Constant expression of type `wint_t' whose value does not correspond
to any member of the extended character set. */