From 3968e4d4f1b2ad9afb1ff162509d0abf0dc22d2d Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Fri, 24 Mar 2023 11:35:26 +0100 Subject: vfprintf-gnu: New module. * m4/vfprintf-posix.m4 (gl_FUNC_VFPRINTF_IS_POSIX): New macro, extracted from gl_FUNC_VFPRINTF_POSIX. (gl_FUNC_VFPRINTF_POSIX): Require it. Invoke gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS. * m4/vfprintf-gnu.m4: New file, based on m4/vfprintf-posix.m4. * modules/vfprintf-gnu: New file, based on modules/vasnprintf-gnu. * doc/posix-functions/vfprintf.texi: Mention the new module. --- doc/posix-functions/vfprintf.texi | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) (limited to 'doc') diff --git a/doc/posix-functions/vfprintf.texi b/doc/posix-functions/vfprintf.texi index 252ac10e2b..719bba0698 100644 --- a/doc/posix-functions/vfprintf.texi +++ b/doc/posix-functions/vfprintf.texi @@ -4,9 +4,9 @@ POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/vfprintf.html} -Gnulib module: vfprintf-posix or stdio, nonblocking, sigpipe +Gnulib module: vfprintf-posix or vfprintf-gnu or stdio, nonblocking, sigpipe -Portability problems fixed by Gnulib module @code{vfprintf-posix}: +Portability problems fixed by either Gnulib module @code{vfprintf-posix} or @code{vfprintf-gnu}: @itemize @item This function does not support size specifiers as in C99 (@code{hh}, @code{ll}, @@ -77,7 +77,14 @@ This function can crash in out-of-memory conditions on some platforms: FreeBSD 13.0, NetBSD 5.0. @end itemize -Portability problems fixed by Gnulib module @code{stdio} or @code{vfprintf-posix}, together with module @code{nonblocking}: +Portability problems fixed by Gnulib module @code{vfprintf-gnu}: +@itemize +@item +This function does not support the @samp{B} directive on some platforms: +glibc 2.34, FreeBSD 13.1, NetBSD 9.0, OpenBSD 7.2, macOS 12.5, AIX 7.2, Solaris 11.4, and others. +@end itemize + +Portability problems fixed by Gnulib module @code{stdio} or @code{vfprintf-posix} or @code{vfprintf-gnu}, together with module @code{nonblocking}: @itemize @item When writing to a non-blocking pipe whose buffer is full, this function fails @@ -86,7 +93,7 @@ platforms: mingw, MSVC 14. @end itemize -Portability problems fixed by Gnulib module @code{stdio} or @code{vfprintf-posix}, together with module @code{sigpipe}: +Portability problems fixed by Gnulib module @code{stdio} or @code{vfprintf-posix} or @code{vfprintf-gnu}, together with module @code{sigpipe}: @itemize @item When writing to a pipe with no readers, this function fails, instead of -- cgit v1.2.1