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-rw-r--r--ChangeLog11
-rw-r--r--doc/posix-functions/dprintf.texi13
-rw-r--r--m4/dprintf-gnu.m425
-rw-r--r--m4/dprintf-posix.m431
-rw-r--r--modules/dprintf-gnu29
5 files changed, 88 insertions, 21 deletions
diff --git a/ChangeLog b/ChangeLog
index a65107ca3a..2ae71f5bcf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,16 @@
2023-03-24 Bruno Haible <bruno@clisp.org>
+ dprintf-gnu: New module.
+ * m4/dprintf-posix.m4 (gl_FUNC_DPRINTF_IS_POSIX): New macro,
+ extracted from gl_FUNC_DPRINTF_POSIX.
+ (gl_FUNC_DPRINTF_POSIX): Require it. Invoke
+ gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS.
+ * m4/dprintf-gnu.m4: New file, based on m4/dprintf-posix.m4.
+ * modules/dprintf-gnu: New file, based on modules/vasnprintf-gnu.
+ * doc/posix-functions/dprintf.texi: Mention the new module.
+
+2023-03-24 Bruno Haible <bruno@clisp.org>
+
vdprintf-gnu: Add tests.
* tests/test-vdprintf-gnu.sh: New file, based on
tests/test-vdprintf-posix.sh.
diff --git a/doc/posix-functions/dprintf.texi b/doc/posix-functions/dprintf.texi
index 09e308c33b..54953d04a3 100644
--- a/doc/posix-functions/dprintf.texi
+++ b/doc/posix-functions/dprintf.texi
@@ -4,16 +4,16 @@
POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/dprintf.html}
-Gnulib module: dprintf or dprintf-posix
+Gnulib module: dprintf or dprintf-posix or dprintf-gnu
-Portability problems fixed by either Gnulib module @code{dprintf} or @code{dprintf-posix}:
+Portability problems fixed by either Gnulib module @code{dprintf} or @code{dprintf-posix} or @code{dprintf-gnu}:
@itemize
@item
This function is missing on many non-glibc platforms:
Mac OS X 10.5, FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 11.3, Cygwin 1.5.x, mingw, MSVC 14.
@end itemize
-Portability problems fixed by Gnulib module @code{dprintf-posix}:
+Portability problems fixed by either Gnulib module @code{dprintf-posix} or @code{dprintf-gnu}:
@itemize
@item
printf @code{"%f"}, @code{"%e"}, @code{"%g"} of Infinity and NaN yields an
@@ -50,6 +50,13 @@ wide character argument on some platforms:
glibc 2.35, 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{dprintf-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 not fixed by Gnulib:
@itemize
@item
diff --git a/m4/dprintf-gnu.m4 b/m4/dprintf-gnu.m4
new file mode 100644
index 0000000000..552e0b5a05
--- /dev/null
+++ b/m4/dprintf-gnu.m4
@@ -0,0 +1,25 @@
+# dprintf-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_DPRINTF_GNU],
+[
+ AC_REQUIRE([gl_FUNC_DPRINTF_IS_POSIX])
+ AC_REQUIRE([gl_PRINTF_DIRECTIVE_UPPERCASE_B])
+ gl_cv_func_dprintf_gnu=no
+ if test $gl_cv_func_dprintf_posix = yes; then
+ case "$gl_cv_func_printf_directive_uppercase_b" in
+ *yes)
+ # dprintf exists and is already POSIX compliant and GNU compatible.
+ gl_cv_func_dprintf_gnu=yes
+ ;;
+ esac
+ fi
+ if test $gl_cv_func_dprintf_gnu = no; then
+ gl_PREREQ_VASNPRINTF_WITH_GNU_EXTRAS
+ gl_REPLACE_VASNPRINTF
+ gl_REPLACE_DPRINTF
+ fi
+])
diff --git a/m4/dprintf-posix.m4 b/m4/dprintf-posix.m4
index eb8bd634f8..8759beaa22 100644
--- a/m4/dprintf-posix.m4
+++ b/m4/dprintf-posix.m4
@@ -1,4 +1,4 @@
-# dprintf-posix.m4 serial 5
+# dprintf-posix.m4 serial 6
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,
@@ -6,6 +6,18 @@ dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_DPRINTF_POSIX],
[
+ AC_REQUIRE([gl_FUNC_DPRINTF_IS_POSIX])
+ if test $gl_cv_func_dprintf_posix = no; then
+ gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS
+ gl_REPLACE_VASNPRINTF
+ gl_REPLACE_DPRINTF
+ fi
+])
+
+dnl Test whether dprintf exists and is POSIX compliant.
+dnl Result is gl_cv_func_dprintf_posix.
+AC_DEFUN([gl_FUNC_DPRINTF_IS_POSIX],
+[
AC_REQUIRE([gl_PRINTF_SIZES_C99])
AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
AC_REQUIRE([gl_PRINTF_INFINITE])
@@ -93,21 +105,4 @@ AC_DEFUN([gl_FUNC_DPRINTF_POSIX],
;;
esac
fi
- if test $gl_cv_func_dprintf_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_DPRINTF
- fi
])
diff --git a/modules/dprintf-gnu b/modules/dprintf-gnu
new file mode 100644
index 0000000000..b7228f9ec7
--- /dev/null
+++ b/modules/dprintf-gnu
@@ -0,0 +1,29 @@
+Description:
+POSIX and GNU compatible dprintf() function: print formatted output to a file
+descriptor
+
+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/dprintf-gnu.m4
+
+Depends-on:
+dprintf-posix
+
+configure.ac:
+gl_FUNC_DPRINTF_GNU
+
+Makefile.am:
+
+Include:
+<stdio.h>
+
+License:
+LGPL
+
+Maintainer:
+all