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Drop no longer needed multibyte stuff from glibc.

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This commit is contained in:
Oliver Tappe 2011-11-22 18:56:41 +01:00
parent b4435552a7
commit bb79d18614
13 changed files with 0 additions and 769 deletions
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33
src/system/libroot/posix/glibc/locale/mb_cur_max.c
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@ -1,33 +0,0 @@
/* Return number of characters in multibyte representation for current
character set.
Copyright (C) 1996, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <langinfo.h>
#include <locale.h>
#include <stdlib.h>
#include "localeinfo.h"
size_t
weak_function
__ctype_get_mb_cur_max (void)
{
return _NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_MB_CUR_MAX);
}

67
src/system/libroot/posix/glibc/stdlib/mblen.c
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@ -1,67 +0,0 @@
/* Copyright (C) 1991, 1997, 1998, 1999, 2000 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
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#include <gconv.h>
#include <wcsmbs/wcsmbsload.h>
/* Internal state. */
static mbstate_t state;
/* Return the length of the multibyte character (if there is one)
at S which is no longer than N characters.
The ISO C standard says that the `mblen' function must not change
the state of the `mbtowc' function. */
int
mblen (const char *s, size_t n)
{
int result;
/* If S is NULL the function has to return null or not null
depending on the encoding having a state depending encoding or
not. */
if (s == NULL)
{
/* Make sure we use the correct value. */
update_conversion_ptrs ();
/* Reset the state. */
memset (&state, '\0', sizeof state);
result = __wcsmbs_gconv_fcts.towc->__stateful;
}
else if (*s == '\0')
/* According to the ISO C 89 standard this is the expected behaviour. */
result = 0;
else
{
memset (&state, '\0', sizeof state);
result = __mbrtowc (NULL, s, n, &state);
/* The `mbrtowc' functions tell us more than we need. Fold the -1
and -2 result into -1. */
if (result < 0)
result = -1;
}
return result;
}

73
src/system/libroot/posix/glibc/stdlib/mbtowc.c
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@ -1,73 +0,0 @@
/* Copyright (C) 1991, 92, 95, 96, 97, 98, 99 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
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#include <gconv.h>
#include <wcsmbs/wcsmbsload.h>
/* Common state for all non-restartable conversion functions. */
mbstate_t __no_r_state;
/* Convert the multibyte character at S, which is no longer
than N characters, to its `wchar_t' representation, placing
this n *PWC and returning its length.
Attention: this function should NEVER be intentionally used.
The interface is completely stupid. The state is shared between
all conversion functions. You should use instead the restartable
version `mbrtowc'. */
int
mbtowc (wchar_t *pwc, const char *s, size_t n)
{
int result;
/* If S is NULL the function has to return null or not null
depending on the encoding having a state depending encoding or
not. */
if (s == NULL)
{
/* Make sure we use the correct value. */
update_conversion_ptrs ();
/* This is an extension in the Unix standard which does not directly
violate ISO C. */
memset (&__no_r_state, '\0', sizeof __no_r_state);
result = __wcsmbs_gconv_fcts.towc->__stateful;
}
else if (*s == '\0')
{
if (pwc != NULL)
*pwc = L'\0';
result = 0;
}
else
{
result = __mbrtowc (pwc, s, n, &__no_r_state);
/* The `mbrtowc' functions tell us more than we need. Fold the -1
and -2 result into -1. */
if (result < 0)
result = -1;
}
return result;
}

54
src/system/libroot/posix/glibc/stdlib/wctomb.c
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@ -1,54 +0,0 @@
/* Copyright (C) 1991, 92, 95, 96, 97, 98, 99 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
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#include <gconv.h>
#include <wcsmbs/wcsmbsload.h>
extern mbstate_t __no_r_state; /* Defined in mbtowc.c. */
/* Convert WCHAR into its multibyte character representation,
putting this in S and returning its length.
Attention: this function should NEVER be intentionally used.
The interface is completely stupid. The state is shared between
all conversion functions. You should use instead the restartable
version `wcrtomb'. */
int
wctomb (char *s, wchar_t wchar)
{
/* If S is NULL the function has to return null or not null
depending on the encoding having a state depending encoding or
not. */
if (s == NULL)
{
/* Make sure we use the correct value. */
update_conversion_ptrs ();
/* This is an extension in the Unix standard which does not directly
violate ISO C. */
memset (&__no_r_state, '\0', sizeof __no_r_state);
return __wcsmbs_gconv_fcts.tomb->__stateful;
}
return __wcrtomb (s, wchar, &__no_r_state);
}

73
src/system/libroot/posix/glibc/wcsmbs/btowc.c
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@ -1,73 +0,0 @@
/* Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.org>, 1996.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <dlfcn.h>
#include <gconv.h>
#include <stdio.h>
#include <string.h>
#include <wchar.h>
#include <wcsmbsload.h>
#include <limits.h>
wint_t
__btowc (c)
int c;
{
wchar_t result;
struct __gconv_step_data data;
unsigned char inbuf[1];
const unsigned char *inptr = inbuf;
size_t dummy;
int status;
/* If the parameter does not fit into one byte or it is the EOF value
we can give the answer now. */
if (c < SCHAR_MIN || c > UCHAR_MAX || c == EOF)
return WEOF;
/* Tell where we want the result. */
data.__outbuf = (unsigned char *) &result;
data.__outbufend = data.__outbuf + sizeof (wchar_t);
data.__invocation_counter = 0;
data.__internal_use = 1;
data.__flags = __GCONV_IS_LAST;
data.__statep = &data.__state;
data.__trans = NULL;
/* Make sure we start in the initial state. */
memset (&data.__state, '\0', sizeof (mbstate_t));
/* Make sure we use the correct function. */
update_conversion_ptrs ();
/* Create the input string. */
inbuf[0] = c;
status = DL_CALL_FCT (__wcsmbs_gconv_fcts.towc->__fct,
(__wcsmbs_gconv_fcts.towc, &data, &inptr, inptr + 1,
NULL, &dummy, 0, 1));
/* The conversion failed. */
if (status != __GCONV_OK && status != __GCONV_FULL_OUTPUT
&& status != __GCONV_EMPTY_INPUT)
result = WEOF;
return result;
}
weak_alias (__btowc, btowc)

36
src/system/libroot/posix/glibc/wcsmbs/mbrlen.c
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@ -1,36 +0,0 @@
/* Copyright (C) 1996, 1997, 1998, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <wchar.h>
/* The mbrlen function has an internal shift state which gets used if
the PS parameter is NULL. */
static mbstate_t internal;
size_t
__mbrlen (s, n, ps)
const char *s;
size_t n;
mbstate_t *ps;
{
return __mbrtowc (NULL, s, n, ps ?: &internal);
}
libc_hidden_def (__mbrlen)
weak_alias (__mbrlen, mbrlen)

107
src/system/libroot/posix/glibc/wcsmbs/mbrtowc.c
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@ -1,107 +0,0 @@
/* Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.org>, 1996.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <dlfcn.h>
#include <errno.h>
#include <gconv.h>
#include <wchar.h>
#include <wcsmbsload.h>
#include <assert.h>
#ifndef EILSEQ
# define EILSEQ EINVAL
#endif
/* This is the private state used if PS is NULL. */
static mbstate_t state;
size_t
__mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
{
wchar_t buf[1];
struct __gconv_step_data data;
int status;
size_t result;
size_t dummy;
const unsigned char *inbuf;
char *outbuf = (char *) (pwc ?: buf);
/* Set information for this step. */
data.__invocation_counter = 0;
data.__internal_use = 1;
data.__flags = __GCONV_IS_LAST;
data.__statep = ps ?: &state;
data.__trans = NULL;
/* A first special case is if S is NULL. This means put PS in the
initial state. */
if (s == NULL)
{
outbuf = (char *) buf;
s = "";
n = 1;
}
/* Tell where we want the result. */
data.__outbuf = outbuf;
data.__outbufend = outbuf + sizeof (wchar_t);
/* Make sure we use the correct function. */
update_conversion_ptrs ();
/* Do a normal conversion. */
inbuf = (const unsigned char *) s;
status = DL_CALL_FCT (__wcsmbs_gconv_fcts.towc->__fct,
(__wcsmbs_gconv_fcts.towc, &data, &inbuf, inbuf + n,
NULL, &dummy, 0, 1));
/* There must not be any problems with the conversion but illegal input
characters. The output buffer must be large enough, otherwise the
definition of MB_CUR_MAX is not correct. All the other possible
errors also must not happen. */
assert (status == __GCONV_OK || status == __GCONV_EMPTY_INPUT
|| status == __GCONV_ILLEGAL_INPUT
|| status == __GCONV_INCOMPLETE_INPUT
|| status == __GCONV_FULL_OUTPUT);
if (status == __GCONV_OK || status == __GCONV_EMPTY_INPUT
|| status == __GCONV_FULL_OUTPUT)
{
if (data.__outbuf != (unsigned char *) outbuf
&& *(wchar_t *) outbuf == L'\0')
{
/* The converted character is the NUL character. */
assert (__mbsinit (data.__statep));
result = 0;
}
else
result = inbuf - (const unsigned char *) s;
}
else if (status == __GCONV_INCOMPLETE_INPUT)
result = (size_t) -2;
else
{
result = (size_t) -1;
__set_errno (EILSEQ);
}
return result;
}
weak_alias (__mbrtowc, mbrtowc)

37
src/system/libroot/posix/glibc/wcsmbs/mbsinit.c
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@ -1,37 +0,0 @@
/* Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <string.h>
#include <wchar.h>
/* In GNU libc the conversion functions only can convert between the
fixed wide character representation and the multibyte
representation of the same character set. Since we use ISO 10646
in UCS4 encoding for wide characters the best solution for
multibyte characters is the UTF8 encoding. I.e., the only state
information is a counter of the processed bytes so far and the
value collected so far. Especially, we don't have different shift
states. */
int
__mbsinit (ps)
const mbstate_t *ps;
{
return ps == NULL || ps->__count == 0;
}
weak_alias (__mbsinit, mbsinit)

110
src/system/libroot/posix/glibc/wcsmbs/wcrtomb.c
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@ -1,110 +0,0 @@
/* Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <dlfcn.h>
#include <errno.h>
#include <gconv.h>
#include <stdlib.h>
#include <wchar.h>
#include <wcsmbsload.h>
#include <assert.h>
#ifndef EILSEQ
# define EILSEQ EINVAL
#endif
/* This is the private state used if PS is NULL. */
static mbstate_t state;
size_t
__wcrtomb (char *s, wchar_t wc, mbstate_t *ps)
{
char buf[MB_CUR_MAX];
struct __gconv_step_data data;
int status;
size_t result;
size_t dummy;
/* Set information for this step. */
data.__invocation_counter = 0;
data.__internal_use = 1;
data.__flags = __GCONV_IS_LAST;
data.__statep = ps ?: &state;
data.__trans = NULL;
/* A first special case is if S is NULL. This means put PS in the
initial state. */
if (s == NULL)
{
s = buf;
wc = L'\0';
}
/* Tell where we want to have the result. */
data.__outbuf = s;
data.__outbufend = s + MB_CUR_MAX;
/* Make sure we use the correct function. */
update_conversion_ptrs ();
/* If WC is the NUL character we write into the output buffer the byte
sequence necessary for PS to get into the initial state, followed
by a NUL byte. */
if (wc == L'\0')
{
status = DL_CALL_FCT (__wcsmbs_gconv_fcts.tomb->__fct,
(__wcsmbs_gconv_fcts.tomb, &data, NULL, NULL,
NULL, &dummy, 1, 1));
if (status == __GCONV_OK || status == __GCONV_EMPTY_INPUT)
*data.__outbuf++ = '\0';
}
else
{
/* Do a normal conversion. */
const unsigned char *inbuf = (const unsigned char *) &wc;
status = DL_CALL_FCT (__wcsmbs_gconv_fcts.tomb->__fct,
(__wcsmbs_gconv_fcts.tomb, &data, &inbuf,
inbuf + sizeof (wchar_t), NULL, &dummy, 0, 1));
}
/* There must not be any problems with the conversion but illegal input
characters. The output buffer must be large enough, otherwise the
definition of MB_CUR_MAX is not correct. All the other possible
errors also must not happen. */
assert (status == __GCONV_OK || status == __GCONV_EMPTY_INPUT
|| status == __GCONV_ILLEGAL_INPUT
|| status == __GCONV_INCOMPLETE_INPUT
|| status == __GCONV_FULL_OUTPUT);
if (status == __GCONV_OK || status == __GCONV_EMPTY_INPUT
|| status == __GCONV_FULL_OUTPUT)
result = data.__outbuf - (unsigned char *) s;
else
{
result = (size_t) -1;
__set_errno (EILSEQ);
}
return result;
}
weak_alias (__wcrtomb, wcrtomb)

39
src/system/libroot/posix/glibc/wcsmbs/wcswidth.c
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@ -1,39 +0,0 @@
/* Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include "wcwidth.h"
/* Determine number of column positions required for first N wide
characters (or fewer if S ends before this) in S. */
int
wcswidth (const wchar_t *s, size_t n)
{
int result = 0;
while (n-- > 0 && *s != L'\0')
{
int now = internal_wcwidth (*s);
if (now == -1)
return -1;
result += now;
++s;
}
return result;
}

73
src/system/libroot/posix/glibc/wcsmbs/wctob.c
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@ -1,73 +0,0 @@
/* Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <dlfcn.h>
#include <gconv.h>
#include <stdio.h>
#include <string.h>
#include <wchar.h>
#include <wcsmbsload.h>
int
wctob (c)
wint_t c;
{
char buf[MB_LEN_MAX];
struct __gconv_step_data data;
wchar_t inbuf[1];
wchar_t *inptr = inbuf;
size_t dummy;
int status;
if (c == WEOF)
return EOF;
/* Tell where we want the result. */
data.__outbuf = buf;
data.__outbufend = buf + MB_LEN_MAX;
data.__invocation_counter = 0;
data.__internal_use = 1;
data.__flags = __GCONV_IS_LAST;
data.__statep = &data.__state;
data.__trans = NULL;
/* Make sure we start in the initial state. */
memset (&data.__state, '\0', sizeof (mbstate_t));
/* Make sure we use the correct function. */
update_conversion_ptrs ();
/* Create the input string. */
inbuf[0] = c;
status = DL_CALL_FCT (__wcsmbs_gconv_fcts.tomb->__fct,
(__wcsmbs_gconv_fcts.tomb, &data,
(const unsigned char **) &inptr,
(const unsigned char *) &inbuf[1],
NULL, &dummy, 0, 1));
/* The conversion failed or the output is too long. */
if ((status != __GCONV_OK && status != __GCONV_FULL_OUTPUT
&& status != __GCONV_EMPTY_INPUT)
|| data.__outbuf != (unsigned char *) (buf + 1))
return EOF;
return (unsigned char) buf[0];
}

27
src/system/libroot/posix/glibc/wcsmbs/wcwidth.c
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@ -1,27 +0,0 @@
/* Copyright (C) 1996, 1997, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include "wcwidth.h"
/* Determine number of column positions required for CH. */
int
wcwidth (wchar_t ch)
{
return internal_wcwidth (ch);
}

40
src/system/libroot/posix/glibc/wcsmbs/wcwidth.h
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@ -1,40 +0,0 @@
/* Internal header containing implementation of wcwidth() function.
Copyright (C) 1996,1997,1999,2000,2001,2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <wchar.h>
#include <wctype.h>
#include "../wctype/wchar-lookup.h"
#include "../locale/localeinfo.h"
/* Table containing width information. */
extern const char *__ctype32_width attribute_hidden;
static __inline int
internal_wcwidth (wchar_t wc)
{
unsigned char res;
/* The tables have been prepared in such a way that
1. wc == L'\0' yields res = 0,
2. !iswprint (wc) implies res = '\xff'. */
res = wcwidth_table_lookup (_NL_CURRENT (LC_CTYPE, _NL_CTYPE_WIDTH), wc);
return res == (unsigned char) '\xff' ? -1 : (int) res;
}