new modules *printf-gnu

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new modules *printf-gnu

From:	Bruno Haible
Subject:	new modules *printf-gnu
Date:	Fri, 24 Mar 2023 12:37:42 +0100

Eric Blake wrote in
<https://lists.gnu.org/archive/html/bug-gnulib/2023-03/msg00060.html>:
> C23 admits that %#B is not available for
> portable use of outputting uppercase '0B...', you would have to
> manually write 0B%b instead.  However, since glibc DOES support %B as
> the uppercase counterpart to %b, should we add that in gnulib (but
> this time under the auspices of *printf-gnu, rather than
> *printf-posix)?

Nice idea. I was pondering what to do with the wording in ISO C23
  "Implementations that did not use an uppercase B as their own
   extension before are encouraged to implement it similar to
   conversion specifier b as standardized above, with the
   alternative form (#B) generating 0B as prefix for nonzero values."

"encouraged" - should we add it to the *printf-posix modules or not?

Your suggestion to put it under *printf-gnu, that being an extension
of *printf-posix, makes perfect sense, since glibc implements %B
since version 2.35. Implemented as follows.


2023-03-24  Bruno Haible  <bruno@clisp.org>

        xprintf-gnu: New module.
        * modules/xprintf-gnu: New file, based on modules/vasnprintf-gnu and
        modules/xprintf-posix.

2023-03-24  Bruno Haible  <bruno@clisp.org>

        xvasprintf-gnu: New module.
        * modules/xvasprintf-gnu: New file, based on modules/xvasprintf-posix.

2023-03-24  Bruno Haible  <bruno@clisp.org>

        vasnwprintf-gnu: Add tests.
        * tests/test-vasnwprintf-gnu.c: New file, based on
        tests/test-vasnwprintf-posix.c and tests/test-vasnprintf-gnu.c.
        * modules/vasnwprintf-gnu-tests: New file, based on
        modules/vasnwprintf-posix-tests.

        vasnwprintf-gnu: New module.
        * m4/vasnwprintf-posix.m4 (gl_FUNC_VASNWPRINTF_IS_POSIX): New macro.
        (gl_FUNC_VASNWPRINTF_POSIX): Require it. Invoke
        gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS.
        * m4/vasnwprintf-gnu.m4: New file, based on m4/vasnprintf-gnu.m4.
        * modules/vasnwprintf-gnu: New file, based on modules/vasnprintf-gnu.

2023-03-24  Bruno Haible  <bruno@clisp.org>

        obstack-printf-gnu: Add tests.
        * modules/obstack-printf-gnu-tests: New file, based on
        modules/obstack-printf-posix-tests.

        obstack-printf-gnu: New module.
        * m4/obstack-printf-posix.m4 (gl_FUNC_OBSTACK_PRINTF_IS_POSIX): New
        macro, extracted from gl_FUNC_OBSTACK_PRINTF_POSIX.
        (gl_FUNC_OBSTACK_PRINTF_POSIX): Require it. Invoke
        gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS.
        * m4/obstack-printf-gnu.m4: New file, based on
        m4/obstack-printf-posix.m4.
        * modules/obstack-printf-gnu: New file, based on modules/vasnprintf-gnu.
        * doc/glibc-functions/obstack_printf.texi: Mention the new module.
        * doc/glibc-functions/obstack_vprintf.texi: Likewise.

2023-03-24  Bruno Haible  <bruno@clisp.org>

        dprintf-gnu: Add tests.
        * tests/test-dprintf-gnu.sh: New file, based on
        tests/test-dprintf-posix.sh.
        * tests/test-dprintf-gnu.c: New file, based on
        tests/test-vasnprintf-gnu.c.
        * modules/dprintf-gnu-tests: New file, based on
        modules/dprintf-posix-tests.

        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.
        * tests/test-vdprintf-gnu.c: New file, based on
        tests/test-vdprintf-posix.c.
        * modules/vdprintf-gnu-tests: New file, based on
        modules/vdprintf-posix-tests.

        vdprintf-gnu: New module.
        * m4/vdprintf-posix.m4 (gl_FUNC_VDPRINTF_IS_POSIX): New macro,
        extracted from gl_FUNC_VDPRINTF_POSIX.
        (gl_FUNC_VDPRINTF_POSIX): Require it. Invoke
        gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS.
        * m4/vdprintf-gnu.m4: New file, based on m4/vdprintf-posix.m4.
        * modules/vdprintf-gnu: New file, based on modules/vasnprintf-gnu.
        * doc/posix-functions/vdprintf.texi: Mention the new module.

2023-03-24  Bruno Haible  <bruno@clisp.org>

        printf-gnu: Add tests.
        * tests/test-printf-gnu.sh: New file, based on
        tests/test-printf-posix.sh.
        * tests/test-printf-gnu.c: New file, based on tests/test-printf-posix.c.
        * modules/printf-gnu-tests: New file, based on
        modules/printf-posix-tests.

        printf-gnu: New module.
        * m4/printf-posix.m4: Renamed from m4/printf-posix-rpl.m4.
        (gl_FUNC_PRINTF_IS_POSIX): New macro.
        (gl_FUNC_PRINTF_POSIX): Require it. Don't require
        gl_FUNC_VFPRINTF_POSIX. Invoke gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS
        and gl_REPLACE_VASNPRINTF.
        * m4/printf-gnu.m4: New file, based on m4/fprintf-posix.m4.
        * modules/printf-posix (Files): Update.
        * modules/printf-gnu: New file, based on modules/vasnprintf-gnu.
        * doc/posix-functions/printf.texi: Mention the new module.

2023-03-24  Bruno Haible  <bruno@clisp.org>

        vprintf-gnu: Add tests.
        * tests/test-vprintf-gnu.sh: New file, based on
        tests/test-vprintf-posix.sh.
        * tests/test-vprintf-gnu.c: New file, based on
        tests/test-vprintf-posix.c.
        * tests/test-printf-gnu.h: New file, based on
        tests/test-vasnprintf-gnu.c.
        * modules/vprintf-gnu-tests: New file, based on
        modules/vprintf-posix-tests.

        vprintf-gnu: New module.
        * m4/vprintf-posix.m4 (gl_FUNC_VPRINTF_IS_POSIX): New macro.
        (gl_FUNC_VPRINTF_POSIX): Require it. Don't require
        gl_FUNC_VFPRINTF_POSIX. Invoke gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS
        and gl_REPLACE_VASNPRINTF.
        * m4/vprintf-gnu.m4: New file, based on m4/vfprintf-posix.m4.
        * modules/vprintf-gnu: New file, based on modules/vasnprintf-gnu.
        * doc/posix-functions/vprintf.texi: Mention the new module.

2023-03-24  Bruno Haible  <bruno@clisp.org>

        fprintf-gnu: Add tests.
        * tests/test-fprintf-gnu.sh: New file, based on
        tests/test-fprintf-posix.sh.
        * tests/test-fprintf-gnu.c: New file, based on
        tests/test-fprintf-posix.c.
        * modules/fprintf-gnu-tests: New file, based on
        modules/fprintf-posix-tests.

        fprintf-gnu: New module.
        * m4/fprintf-posix.m4 (gl_FUNC_FPRINTF_IS_POSIX): New macro,
        extracted from gl_FUNC_FPRINTF_POSIX.
        (gl_FUNC_FPRINTF_POSIX): Require it. Invoke
        gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS.
        * m4/fprintf-gnu.m4: New file, based on m4/fprintf-posix.m4.
        * modules/fprintf-gnu: New file, based on modules/vasnprintf-gnu.
        * doc/posix-functions/fprintf.texi: Mention the new module.

2023-03-24  Bruno Haible  <bruno@clisp.org>

        vfprintf-gnu: Add tests.
        * tests/test-vfprintf-gnu.sh: New file, based on
        tests/test-vfprintf-posix.sh.
        * tests/test-vfprintf-gnu.c: New file, based on
        tests/test-vfprintf-posix.c.
        * tests/test-fprintf-gnu.h: New file, based on
        tests/test-vasnprintf-gnu.c.
        * tests/test-printf-gnu.output: New file, based on
        tests/test-vasnprintf-gnu.c.
        * modules/vfprintf-gnu-tests: New file, based on
        modules/vfprintf-posix-tests.

        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.
        * tests/test-vasprintf-gnu.c: New file, based on
        tests/test-vasprintf-posix.c and tests/test-vasnprintf-gnu.c.
        * modules/vasprintf-gnu-tests: New file, based on
        modules/vasprintf-posix-tests.

        vasprintf-gnu: New module.
        * m4/vasprintf-posix.m4 (gl_FUNC_VASPRINTF_IS_POSIX): New macro,
        extracted from gl_FUNC_VASPRINTF_POSIX.
        (gl_FUNC_VASPRINTF_POSIX): Require it. Invoke
        gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS.
        * m4/vasprintf-gnu.m4: New file, based on m4/vasprintf-posix.m4.
        * modules/vasprintf-gnu: New file, based on modules/vasnprintf-gnu.
        * doc/glibc-functions/vasprintf.texi: Mention the new module.
        * doc/glibc-functions/asprintf.texi: Likewise.

2023-03-24  Bruno Haible  <bruno@clisp.org>

        sprintf-gnu: Add tests.
        * tests/test-sprintf-gnu.c: New file, based on
        tests/test-sprintf-posix.c.
        * modules/sprintf-gnu-tests: New file, based on
        modules/sprintf-posix-tests.

        sprintf-gnu: New module.
        * m4/sprintf-posix.m4 (gl_FUNC_SPRINTF_IS_POSIX): New macro,
        extracted from gl_FUNC_SPRINTF_POSIX.
        (gl_FUNC_SPRINTF_POSIX): Require it. Invoke
        gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS.
        * m4/sprintf-gnu.m4: New file, based on m4/sprintf-posix.m4.
        * modules/sprintf-gnu: New file, based on modules/vasnprintf-gnu.
        * doc/posix-functions/sprintf.texi: Mention the new module.

2023-03-24  Bruno Haible  <bruno@clisp.org>

        vsprintf-gnu: Add tests.
        * tests/test-vsprintf-gnu.c: New file, based on
        tests/test-vsprintf-posix.c.
        * tests/test-sprintf-gnu.h: New file, based on
        tests/test-vasnprintf-gnu.c.
        * modules/vsprintf-gnu-tests: New file, based on
        modules/vsprintf-posix-tests.

        vsprintf-gnu: New module.
        * m4/vsprintf-posix.m4 (gl_FUNC_VSPRINTF_IS_POSIX): New macro,
        extracted from gl_FUNC_VSPRINTF_POSIX.
        (gl_FUNC_VSPRINTF_POSIX): Require it. Invoke
        gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS.
        * m4/vsprintf-gnu.m4: New file, based on m4/vsprintf-posix.m4.
        * modules/vsprintf-gnu: New file, based on modules/vasnprintf-gnu.
        * doc/posix-functions/vsprintf.texi: Mention the new module.

2023-03-24  Bruno Haible  <bruno@clisp.org>

        snprintf-gnu: Add tests.
        * tests/test-snprintf-gnu.c: New file, based on
        tests/test-snprintf-posix.c.
        * modules/snprintf-gnu-tests: New file, based on
        modules/snprintf-posix-tests.

        snprintf-gnu: New module.
        * m4/snprintf-posix.m4 (gl_FUNC_SNPRINTF_IS_POSIX): New macro,
        extracted from gl_FUNC_SNPRINTF_POSIX.
        (gl_FUNC_SNPRINTF_POSIX): Require it. Invoke
        gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS.
        * m4/snprintf-gnu.m4: New file, based on m4/snprintf-posix.m4.
        * modules/snprintf-gnu: New file, based on modules/vasnprintf-gnu.
        * doc/posix-functions/snprintf.texi: Mention the new module.

2023-03-24  Bruno Haible  <bruno@clisp.org>

        vsnprintf-gnu: Add tests.
        * tests/test-vsnprintf-gnu.c: New file, based on
        tests/test-vsnprintf-posix.c.
        * tests/test-snprintf-gnu.h: New file, based on
        tests/test-vasnprintf-gnu.c.
        * modules/vsnprintf-gnu-tests: New file, based on
        modules/vsnprintf-posix-tests.

        vsnprintf-gnu: New module.
        * m4/vsnprintf-posix.m4 (gl_FUNC_VSNPRINTF_IS_POSIX): New macro,
        extracted from gl_FUNC_VSNPRINTF_POSIX.
        (gl_FUNC_VSNPRINTF_POSIX): Require it. Invoke
        gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS.
        * m4/vsnprintf-gnu.m4: New file, based on m4/vsnprintf-posix.m4.
        * modules/vsnprintf-gnu: New file, based on modules/vasnprintf-gnu.
        * doc/posix-functions/vsnprintf.texi: Mention the new module.

2023-03-23  Bruno Haible  <bruno@clisp.org>

        vasnprintf-gnu: Add tests.
        * tests/test-vasnprintf-gnu.c: New file, based on
        tests/test-vasnprintf-posix.c.
        * modules/vasnprintf-gnu-tests: New file.

        vasnprintf-gnu: New module.
        Suggested by Eric Blake in
        <https://lists.gnu.org/archive/html/bug-gnulib/2023-03/msg00060.html>.
        * lib/printf-parse.c (PRINTF_PARSE): Recognize the 'B' conversion.
        * lib/printf-parse.h: Update comments.
        * lib/wprintf-parse.h: Likewise.
        * lib/vasnprintf.c (MAX_ROOM_NEEDED): Treat the 'B' conversion like 'b'.
        (VASNPRINTF): Implement 'B' conversion if
        NEED_PRINTF_DIRECTIVE_UPPERCASE_B is set. Support the 'B' conversion if
        requested.
        * m4/printf.m4 (gl_PRINTF_DIRECTIVE_B): When cross-compiling, guess yes
        on glibc >= 2.35.
        (gl_PRINTF_DIRECTIVE_UPPERCASE_B): New macro.
        * m4/vasnprintf.m4 (gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS): Renamed
        from gl_PREREQ_VASNPRINTF_WITH_EXTRAS.
        (gl_PREREQ_VASNPRINTF_DIRECTIVE_UPPERCASE_B,
        gl_PREREQ_VASNPRINTF_WITH_GNU_EXTRAS): New macros.
        * m4/vasnprintf-posix.m4 (gl_FUNC_VASNPRINTF_IS_POSIX): New macro,
        extracted from gl_FUNC_VASNPRINTF_POSIX.
        (gl_FUNC_VASNPRINTF_POSIX): Require it. Invoke
        gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS.
        * m4/vasnprintf-gnu.m4: New file.
        * modules/vasnprintf-gnu: New file.
        * modules/c-vasnprintf (configure.ac): Update.
        * modules/unistdio/u8-vasnprintf (configure.ac): Likewise.
        * modules/unistdio/u8-u8-vasnprintf (configure.ac): Likewise.
        * modules/unistdio/u16-vasnprintf (configure.ac): Likewise.
        * modules/unistdio/u16-u16-vasnprintf (configure.ac): Likewise.
        * modules/unistdio/u32-vasnprintf (configure.ac): Likewise.
        * modules/unistdio/u32-u32-vasnprintf (configure.ac): Likewise.
        * modules/unistdio/ulc-vasnprintf (configure.ac): Likewise.

2023-03-23  Bruno Haible  <bruno@clisp.org>

        printf-posix tests: Fix compilation error (regression 2021-08-28).
        * modules/printf-posix-tests (Files): Add tests/qemu.h.

0001-printf-posix-tests-Fix-compilation-error-regression-.patch
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