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kc3-lang/gnulib/doc/posix-functions/wcsncat.texi

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Hash : 101b9d7f
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Date : 2024-11-05T21:11:33

wcsncat: Guarantee N3322 functionality.

* lib/wchar.in.h (wcsncat): Consider REPLACE_WCSNCAT.
* m4/wcsncat.m4 (gl_FUNC_WCSNCAT): Test whether the zero-length bug is
present.
* m4/wchar_h.m4 (gl_WCHAR_H_DEFAULTS): Initialize REPLACE_WCSNCAT.
* modules/wchar (Makefile.am): Substitute REPLACE_WCSNCAT.
* modules/wcsncat (Status, Notice): Remove.
(configure.ac): Consider REPLACE_WCSNCAT.
* doc/posix-functions/wcsncat.texi: Mention the zero-length bug.

doc/posix-functions/wcsncat.texi

@node wcsncat
@subsection @code{wcsncat}
@findex wcsncat

POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9799919799/functions/wcsncat.html}

Gnulib module: wcsncat
@mindex wcsncat

Portability problems fixed by Gnulib:
@itemize
@item
This function does not support zero-length operations on NULL pointers
on some platforms:
macOS 15, NetBSD 10.0, OpenBSD 7.6, Solaris 11.4, Cygwin 3.5.4.
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@item
On Windows and 32-bit AIX platforms, @code{wchar_t} is a 16-bit type and therefore cannot
accommodate all Unicode characters.
@end itemize