+2023-03-24 Bruno Haible <bruno@clisp.org>
+
+ 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.
+
2023-03-24 Bruno Haible <bruno@clisp.org>
vasprintf-gnu: Add tests.
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},
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
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
--- /dev/null
+# vfprintf-gnu.m4 serial 1
+dnl Copyright (C) 2023 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_VFPRINTF_GNU],
+[
+ AC_REQUIRE([gl_FUNC_VFPRINTF_IS_POSIX])
+ AC_REQUIRE([gl_PRINTF_DIRECTIVE_UPPERCASE_B])
+ gl_cv_func_vfprintf_gnu=no
+ if test $gl_cv_func_vfprintf_posix = yes; then
+ case "$gl_cv_func_printf_directive_uppercase_b" in
+ *yes)
+ # vfprintf is already POSIX compliant and GNU compatible.
+ gl_cv_func_vfprintf_gnu=yes
+ ;;
+ esac
+ fi
+ if test $gl_cv_func_vfprintf_gnu = no; then
+ gl_PREREQ_VASNPRINTF_WITH_GNU_EXTRAS
+ gl_REPLACE_VASNPRINTF
+ gl_REPLACE_VFPRINTF
+ fi
+])
-# vfprintf-posix.m4 serial 16
+# vfprintf-posix.m4 serial 17
dnl Copyright (C) 2007-2023 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_VFPRINTF_POSIX],
+[
+ AC_REQUIRE([gl_FUNC_VFPRINTF_IS_POSIX])
+ if test $gl_cv_func_vfprintf_posix = no; then
+ gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS
+ gl_REPLACE_VASNPRINTF
+ gl_REPLACE_VFPRINTF
+ fi
+])
+
+dnl Test whether vfprintf is POSIX compliant.
+dnl Result is gl_cv_func_vfprintf_posix.
+AC_DEFUN([gl_FUNC_VFPRINTF_IS_POSIX],
[
AC_REQUIRE([gl_PRINTF_SIZES_C99])
AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
esac
;;
esac
- if test $gl_cv_func_vfprintf_posix = no; then
- gl_PREREQ_VASNPRINTF_LONG_DOUBLE
- gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE
- gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE
- gl_PREREQ_VASNPRINTF_DIRECTIVE_A
- gl_PREREQ_VASNPRINTF_DIRECTIVE_B
- gl_PREREQ_VASNPRINTF_DIRECTIVE_F
- gl_PREREQ_VASNPRINTF_DIRECTIVE_LS
- gl_PREREQ_VASNPRINTF_DIRECTIVE_LC
- gl_PREREQ_VASNPRINTF_FLAG_GROUPING
- gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST
- gl_PREREQ_VASNPRINTF_FLAG_ZERO
- gl_PREREQ_VASNPRINTF_PRECISION
- gl_PREREQ_VASNPRINTF_ENOMEM
- gl_REPLACE_VASNPRINTF
- gl_REPLACE_VFPRINTF
- fi
])
AC_DEFUN([gl_REPLACE_VFPRINTF],
--- /dev/null
+Description:
+POSIX and GNU compatible vfprintf() function: print formatted output to a stream
+
+Comment:
+This module should not be used as a dependency from a test module,
+otherwise when this module occurs as a tests-related module, it will
+have side effects on the compilation of the 'vasnprintf' module, if
+that module occurs among the main modules in lib/.
+
+Files:
+m4/vfprintf-gnu.m4
+
+Depends-on:
+vfprintf-posix
+
+configure.ac:
+gl_FUNC_VFPRINTF_GNU
+
+Makefile.am:
+
+Include:
+<stdio.h>
+
+License:
+LGPL
+
+Maintainer:
+all