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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:40:15 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:40:15 +0000
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parentInitial commit. (diff)
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Adding upstream version 6.05.01.upstream/6.05.01
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+.\" Copyright (c) Bruno Haible <haible@clisp.cons.org>
+.\"
+.\" SPDX-License-Identifier: GPL-2.0-or-later
+.\"
+.\" References consulted:
+.\" GNU glibc-2 source code and manual
+.\" Dinkumware C library reference http://www.dinkumware.com/
+.\" OpenGroup's Single UNIX specification http://www.UNIX-systems.org/online.html
+.\"
+.\" Modified, aeb, 990824
+.\"
+.TH MB_LEN_MAX 3 2023-03-30 "Linux man-pages 6.05.01"
+.SH NAME
+MB_LEN_MAX \- maximum multibyte length of a character across all locales
+.SH LIBRARY
+Standard C library
+.RI ( libc )
+.SH SYNOPSIS
+.nf
+.B #include <limits.h>
+.fi
+.SH DESCRIPTION
+The
+.B MB_LEN_MAX
+macro is the maximum number of bytes needed to represent a single
+wide character, in any of the supported locales.
+.SH RETURN VALUE
+A constant integer greater than zero.
+.SH STANDARDS
+C11, POSIX.1-2008.
+.SH HISTORY
+C99, POSIX.1-2001.
+.SH NOTES
+The entities
+.B MB_LEN_MAX
+and
+.I sizeof(wchar_t)
+are totally unrelated.
+In glibc,
+.B MB_LEN_MAX
+is typically 16
+.\" For an explanation of why the limit was raised to 16, see
+.\" http://lists.gnu.org/archive/html/bug-gnulib/2015-05/msg00001.html
+.\" From: Bruno Haible
+.\" Subject: Re: why is MB_LEN_MAX so large (16) on glibc
+.\" Date: Thu, 14 May 2015 02:30:14 +0200
+(6 in glibc versions earlier than 2.2), while
+.I sizeof(wchar_t)
+is 4.
+.SH SEE ALSO
+.BR MB_CUR_MAX (3)