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authorBruno Haible <bruno@clisp.org>2023-03-24 11:35:26 +0100
committerBruno Haible <bruno@clisp.org>2023-03-24 11:35:26 +0100
commit3968e4d4f1b2ad9afb1ff162509d0abf0dc22d2d (patch)
tree517d2b7bb4a8de0d6cc1b69ace7c14b3eb9a7a5d /doc
parentfa8e2b3669b60f3e316ac7d0fd638e19d960672f (diff)
downloadgnulib-3968e4d4f1b2ad9afb1ff162509d0abf0dc22d2d.tar.gz
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.
Diffstat (limited to 'doc')
-rw-r--r--doc/posix-functions/vfprintf.texi15
1 files changed, 11 insertions, 4 deletions
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