*printf-posix: ISO C 23: Support size specifiers 'wN' and 'wfN'.

* lib/printf-args.h: Include <stdint.h>.
(arg_type): Add TYPE_[U]INT8_T, ..., TYPE_[U]INT_FAST64_T and
TYPE_COUNT_INT8_T_POINTER, ..., TYPE_COUNT_INT_FAST64_T_POINTER.
(argument): Add the union members a_[u]int8_t, ..., a_[u]int_fast64_t
and a_count_int8_t_pointer, ..., a_count_int_fast64_t_pointer.
* lib/printf-args.c: Include <limits.h>.
(PRINTF_FETCHARGS): Handle TYPE_[U]INT8_T, ..., TYPE_[U]INT_FAST64_T and
TYPE_COUNT_INT8_T_POINTER, ..., TYPE_COUNT_INT_FAST64_T_POINTER.
* lib/printf-parse.c (PRINTF_PARSE): Accept only one size specifier, not
a sequence of size specifiers. Accept "wN" and "wfN", where N = 8, 16,
32, 64.
* lib/vasnprintf.c (MAX_ROOM_NEEDED, VASNPRINTF): Handle the new TYPE_*
values as well.
* m4/printf.m4 (gl_PRINTF_SIZES_C23): New macro.
* m4/vasnprintf-posix.m4 (gl_FUNC_VASNPRINTF_IS_POSIX): Require
gl_PRINTF_SIZES_C23. Test gl_cv_func_printf_sizes_c23.
* m4/dprintf-posix.m4 (gl_FUNC_DPRINTF_IS_POSIX): Likewise.
* m4/fprintf-posix.m4 (gl_FUNC_FPRINTF_IS_POSIX): Likewise.
* m4/obstack-printf-posix.m4 (gl_FUNC_OBSTACK_PRINTF_IS_POSIX):
Likewise.
* m4/snprintf-posix.m4 (gl_FUNC_SNPRINTF_IS_POSIX): Likewise.
* m4/sprintf-posix.m4 (gl_FUNC_SPRINTF_IS_POSIX): Likewise.
* m4/vasprintf-posix.m4 (gl_FUNC_VASPRINTF_IS_POSIX): Likewise.
* m4/vdprintf-posix.m4 (gl_FUNC_VDPRINTF_IS_POSIX): Likewise.
* m4/vfprintf-posix.m4 (gl_FUNC_VFPRINTF_IS_POSIX): Likewise.
* m4/vsnprintf-posix.m4 (gl_FUNC_VSNPRINTF_IS_POSIX): Likewise.
* m4/vsprintf-posix.m4 (gl_FUNC_VSPRINTF_IS_POSIX): Likewise.
* tests/test-vasnprintf-posix.c (test_function): Add tests for size
specifiers with %d, %u, %b, %o, %x.
* tests/test-snprintf-posix.h (test_function): Likewise.
* tests/test-sprintf-posix.h (test_function): Likewise.
* tests/test-vasnwprintf-posix.c (test_function): Likewise.
* tests/test-vasprintf-posix.c (test_function): Likewise.
* modules/vasnprintf (Depends-on): Add limits-h.
* modules/vasnwprintf (Depends-on): Add limits-h.
* modules/c-vasnprintf (Depends-on): Add limits-h, stdint.
* modules/unistdio/u-printf-args (Depends-on): Add stdint, limits-h.
* doc/posix-functions/dprintf.texi: Mention the ISO C 23 size
specifiers.
* doc/posix-functions/fprintf.texi: Likewise.
* doc/posix-functions/fwprintf.texi: Likewise.
* doc/posix-functions/printf.texi: Likewise.
* doc/posix-functions/snprintf.texi: Likewise.
* doc/posix-functions/sprintf.texi: Likewise.
* doc/posix-functions/swprintf.texi: Likewise.
* doc/posix-functions/vdprintf.texi: Likewise.
* doc/posix-functions/vfprintf.texi: Likewise.
* doc/posix-functions/vfwprintf.texi: Likewise.
* doc/posix-functions/vprintf.texi: Likewise.
* doc/posix-functions/vsnprintf.texi: Likewise.
* doc/posix-functions/vsprintf.texi: Likewise.
* doc/posix-functions/vswprintf.texi: Likewise.
* doc/posix-functions/vwprintf.texi: Likewise.
* doc/posix-functions/wprintf.texi: Likewise.

16 files changed, 96 insertions, 0 deletions

diff --git a/doc/posix-functions/dprintf.texi b/doc/posix-functions/dprintf.texi
index 54953d04a3..2f90377590 100644
--- a/doc/posix-functions/dprintf.texi
+++ b/doc/posix-functions/dprintf.texi
@@ -16,6 +16,12 @@ Mac OS X 10.5, FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX
 Portability problems fixed by either Gnulib module @code{dprintf-posix} or @code{dprintf-gnu}:
 @itemize
 @item
+This function does not support size specifiers as in C23 (@code{w8},
+@code{w16}, @code{w32}, @code{w64}, @code{wf8}, @code{wf16}, @code{wf32},
+@code{wf64}) on some platforms:
+glibc, musl libc, macOS 12.5, FreeBSD 13.1, NetBSD 9.0, OpenBSD 7.2,
+AIX 7.2, Solaris 11.4, Cygwin 2.9.0.
+@item
 printf @code{"%f"}, @code{"%e"}, @code{"%g"} of Infinity and NaN yields an
 incorrect result on some platforms:
 Solaris 11.4.
diff --git a/doc/posix-functions/fprintf.texi b/doc/posix-functions/fprintf.texi
index 3ee74b41ae..7e1d2254ca 100644
--- a/doc/posix-functions/fprintf.texi
+++ b/doc/posix-functions/fprintf.texi
@@ -13,6 +13,12 @@ This function does not support size specifiers as in C99 (@code{hh}, @code{ll},
 @code{j}, @code{t}, @code{z}) on some platforms:
 AIX 5.1, HP-UX 11.23, IRIX 6.5, Solaris 9, Cygwin 1.5.24, mingw, MSVC 14.
 @item
+This function does not support size specifiers as in C23 (@code{w8},
+@code{w16}, @code{w32}, @code{w64}, @code{wf8}, @code{wf16}, @code{wf32},
+@code{wf64}) on some platforms:
+glibc, musl libc, macOS 12.5, FreeBSD 13.1, NetBSD 9.0, OpenBSD 7.2,
+AIX 7.2, HP-UX 11, IRIX 6.5, Solaris 11.4, Cygwin 2.9.0, mingw, MSVC 14.
+@item
 printf of @samp{long double} numbers is unsupported on some platforms:
 mingw, MSVC 14.
 @item
diff --git a/doc/posix-functions/fwprintf.texi b/doc/posix-functions/fwprintf.texi
index b9ce2eb024..2b4600de11 100644
--- a/doc/posix-functions/fwprintf.texi
+++ b/doc/posix-functions/fwprintf.texi
@@ -19,6 +19,12 @@ NetBSD 3.0, OpenBSD 3.8, Minix 3.1.8, HP-UX 11.00, IRIX 6.5, Cygwin 1.5.x.
 On Windows and 32-bit AIX platforms, @code{wchar_t} is a 16-bit type and therefore cannot
 accommodate all Unicode characters.
 @item
+This function does not support size specifiers as in C23 (@code{w8},
+@code{w16}, @code{w32}, @code{w64}, @code{wf8}, @code{wf16}, @code{wf32},
+@code{wf64}) on some platforms:
+glibc, musl libc, macOS 12.5, FreeBSD 13.1, NetBSD 9.0, OpenBSD 7.2,
+AIX 7.2, HP-UX 11, Solaris 11.4, Cygwin 2.9.0, mingw, MSVC 14.
+@item
 This function does not support the @samp{b} directive, required by ISO C23,
 on some platforms:
 glibc 2.34, musl libc, macOS 12.5, FreeBSD 13.1, NetBSD 9.0, OpenBSD 7.2,
diff --git a/doc/posix-functions/printf.texi b/doc/posix-functions/printf.texi
index 382873e9e0..e8fafa4bdb 100644
--- a/doc/posix-functions/printf.texi
+++ b/doc/posix-functions/printf.texi
@@ -13,6 +13,12 @@ This function does not support size specifiers as in C99 (@code{hh}, @code{ll},
 @code{j}, @code{t}, @code{z}) on some platforms:
 AIX 5.1, HP-UX 11.23, IRIX 6.5, Solaris 9, Cygwin 1.5.24, mingw, MSVC 14.
 @item
+This function does not support size specifiers as in C23 (@code{w8},
+@code{w16}, @code{w32}, @code{w64}, @code{wf8}, @code{wf16}, @code{wf32},
+@code{wf64}) on some platforms:
+glibc, musl libc, macOS 12.5, FreeBSD 13.1, NetBSD 9.0, OpenBSD 7.2,
+AIX 7.2, HP-UX 11, IRIX 6.5, Solaris 11.4, Cygwin 2.9.0, mingw, MSVC 14.
+@item
 printf of @samp{long double} numbers is unsupported on some platforms:
 mingw, MSVC 14.
 @item
diff --git a/doc/posix-functions/snprintf.texi b/doc/posix-functions/snprintf.texi
index a5a7550c7d..032c6ff023 100644
--- a/doc/posix-functions/snprintf.texi
+++ b/doc/posix-functions/snprintf.texi
@@ -28,6 +28,12 @@ This function does not support size specifiers as in C99 (@code{hh}, @code{ll},
 @code{j}, @code{t}, @code{z}) on some platforms:
 AIX 5.1, HP-UX 11.23, IRIX 6.5, Solaris 9, Cygwin 1.5.24, mingw, MSVC 14.
 @item
+This function does not support size specifiers as in C23 (@code{w8},
+@code{w16}, @code{w32}, @code{w64}, @code{wf8}, @code{wf16}, @code{wf32},
+@code{wf64}) on some platforms:
+glibc, musl libc, macOS 12.5, FreeBSD 13.1, NetBSD 9.0, OpenBSD 7.2,
+AIX 7.2, HP-UX 11, IRIX 6.5, Solaris 11.4, Cygwin 2.9.0, mingw.
+@item
 printf of @samp{long double} numbers is unsupported on some platforms:
 mingw, MSVC 14.
 @item
diff --git a/doc/posix-functions/sprintf.texi b/doc/posix-functions/sprintf.texi
index 54816f26ab..5d88d38c3f 100644
--- a/doc/posix-functions/sprintf.texi
+++ b/doc/posix-functions/sprintf.texi
@@ -13,6 +13,12 @@ This function does not support size specifiers as in C99 (@code{hh}, @code{ll},
 @code{j}, @code{t}, @code{z}) on some platforms:
 AIX 5.1, HP-UX 11.23, IRIX 6.5, Solaris 9, Cygwin 1.5.24, mingw, MSVC 14.
 @item
+This function does not support size specifiers as in C23 (@code{w8},
+@code{w16}, @code{w32}, @code{w64}, @code{wf8}, @code{wf16}, @code{wf32},
+@code{wf64}) on some platforms:
+glibc, musl libc, macOS 12.5, FreeBSD 13.1, NetBSD 9.0, OpenBSD 7.2,
+AIX 7.2, HP-UX 11, IRIX 6.5, Solaris 11.4, Cygwin 2.9.0, mingw, MSVC 14.
+@item
 printf of @samp{long double} numbers is unsupported on some platforms:
 mingw, MSVC 14.
 @item
diff --git a/doc/posix-functions/swprintf.texi b/doc/posix-functions/swprintf.texi
index 357cfc1ad4..b53c96c6d7 100644
--- a/doc/posix-functions/swprintf.texi
+++ b/doc/posix-functions/swprintf.texi
@@ -36,6 +36,12 @@ accommodate all Unicode characters.
 @item
 On Windows, this function does not take a buffer size as second argument.
 @item
+This function does not support size specifiers as in C23 (@code{w8},
+@code{w16}, @code{w32}, @code{w64}, @code{wf8}, @code{wf16}, @code{wf32},
+@code{wf64}) on some platforms:
+glibc, musl libc, macOS 12.5, FreeBSD 13.1, NetBSD 9.0, OpenBSD 7.2,
+AIX 7.2, HP-UX 11, Solaris 11.4, Cygwin 2.9.0, mingw, MSVC 14.
+@item
 This function ignores the minimum field width in the @samp{lc} directive
 on some platforms:
 @c https://www.openwall.com/lists/musl/2023/03/20/1
diff --git a/doc/posix-functions/vdprintf.texi b/doc/posix-functions/vdprintf.texi
index 59138d5d15..f21172c441 100644
--- a/doc/posix-functions/vdprintf.texi
+++ b/doc/posix-functions/vdprintf.texi
@@ -16,6 +16,12 @@ Mac OS X 10.5, FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX
 Portability problems fixed by either Gnulib module @code{vdprintf-posix} or @code{vdprintf-gnu}:
 @itemize
 @item
+This function does not support size specifiers as in C23 (@code{w8},
+@code{w16}, @code{w32}, @code{w64}, @code{wf8}, @code{wf16}, @code{wf32},
+@code{wf64}) on some platforms:
+glibc, musl libc, macOS 12.5, FreeBSD 13.1, NetBSD 9.0, OpenBSD 7.2,
+AIX 7.2, Solaris 11.4, Cygwin 2.9.0.
+@item
 printf @code{"%f"}, @code{"%e"}, @code{"%g"} of Infinity and NaN yields an
 incorrect result on some platforms:
 Solaris 11.4.
diff --git a/doc/posix-functions/vfprintf.texi b/doc/posix-functions/vfprintf.texi
index 719bba0698..b4ae2cc733 100644
--- a/doc/posix-functions/vfprintf.texi
+++ b/doc/posix-functions/vfprintf.texi
@@ -13,6 +13,12 @@ This function does not support size specifiers as in C99 (@code{hh}, @code{ll},
 @code{j}, @code{t}, @code{z}) on some platforms:
 AIX 5.1, HP-UX 11.23, IRIX 6.5, Solaris 9, Cygwin 1.5.24, mingw, MSVC 14.
 @item
+This function does not support size specifiers as in C23 (@code{w8},
+@code{w16}, @code{w32}, @code{w64}, @code{wf8}, @code{wf16}, @code{wf32},
+@code{wf64}) on some platforms:
+glibc, musl libc, macOS 12.5, FreeBSD 13.1, NetBSD 9.0, OpenBSD 7.2,
+AIX 7.2, HP-UX 11, IRIX 6.5, Solaris 11.4, Cygwin 2.9.0, mingw, MSVC 14.
+@item
 printf of @samp{long double} numbers is unsupported on some platforms:
 mingw, MSVC 14.
 @item
diff --git a/doc/posix-functions/vfwprintf.texi b/doc/posix-functions/vfwprintf.texi
index f6e136b0b1..22e4a59212 100644
--- a/doc/posix-functions/vfwprintf.texi
+++ b/doc/posix-functions/vfwprintf.texi
@@ -19,6 +19,12 @@ NetBSD 3.0, OpenBSD 3.8, Minix 3.1.8, HP-UX 11.00, IRIX 6.5, Cygwin 1.5.x.
 On Windows and 32-bit AIX platforms, @code{wchar_t} is a 16-bit type and therefore cannot
 accommodate all Unicode characters.
 @item
+This function does not support size specifiers as in C23 (@code{w8},
+@code{w16}, @code{w32}, @code{w64}, @code{wf8}, @code{wf16}, @code{wf32},
+@code{wf64}) on some platforms:
+glibc, musl libc, macOS 12.5, FreeBSD 13.1, NetBSD 9.0, OpenBSD 7.2,
+AIX 7.2, HP-UX 11, Solaris 11.4, Cygwin 2.9.0, mingw, MSVC 14.
+@item
 This function does not support the @samp{b} directive, required by ISO C23,
 on some platforms:
 glibc 2.34, musl libc, macOS 12.5, FreeBSD 13.1, NetBSD 9.0, OpenBSD 7.2,
diff --git a/doc/posix-functions/vprintf.texi b/doc/posix-functions/vprintf.texi
index 051aef880d..a69eb467cd 100644
--- a/doc/posix-functions/vprintf.texi
+++ b/doc/posix-functions/vprintf.texi
@@ -13,6 +13,12 @@ This function does not support size specifiers as in C99 (@code{hh}, @code{ll},
 @code{j}, @code{t}, @code{z}) on some platforms:
 AIX 5.1, HP-UX 11.23, IRIX 6.5, Solaris 9, Cygwin 1.5.24, mingw, MSVC 14.
 @item
+This function does not support size specifiers as in C23 (@code{w8},
+@code{w16}, @code{w32}, @code{w64}, @code{wf8}, @code{wf16}, @code{wf32},
+@code{wf64}) on some platforms:
+glibc, musl libc, macOS 12.5, FreeBSD 13.1, NetBSD 9.0, OpenBSD 7.2,
+AIX 7.2, HP-UX 11, IRIX 6.5, Solaris 11.4, Cygwin 2.9.0, mingw, MSVC 14.
+@item
 printf of @samp{long double} numbers is unsupported on some platforms:
 mingw, MSVC 14.
 @item
diff --git a/doc/posix-functions/vsnprintf.texi b/doc/posix-functions/vsnprintf.texi
index e99292f178..90613a95ef 100644
--- a/doc/posix-functions/vsnprintf.texi
+++ b/doc/posix-functions/vsnprintf.texi
@@ -25,6 +25,12 @@ This function does not support size specifiers as in C99 (@code{hh}, @code{ll},
 @code{j}, @code{t}, @code{z}) on some platforms:
 AIX 5.1, HP-UX 11.23, IRIX 6.5, Solaris 9, Cygwin 1.5.24, mingw, MSVC 14.
 @item
+This function does not support size specifiers as in C23 (@code{w8},
+@code{w16}, @code{w32}, @code{w64}, @code{wf8}, @code{wf16}, @code{wf32},
+@code{wf64}) on some platforms:
+glibc, musl libc, macOS 12.5, FreeBSD 13.1, NetBSD 9.0, OpenBSD 7.2,
+AIX 7.2, HP-UX 11, IRIX 6.5, Solaris 11.4, Cygwin 2.9.0, mingw, MSVC 14.
+@item
 printf of @samp{long double} numbers is unsupported on some platforms:
 mingw, MSVC 14.
 @item
diff --git a/doc/posix-functions/vsprintf.texi b/doc/posix-functions/vsprintf.texi
index 5ae3644e00..e75af4fb3b 100644
--- a/doc/posix-functions/vsprintf.texi
+++ b/doc/posix-functions/vsprintf.texi
@@ -13,6 +13,12 @@ This function does not support size specifiers as in C99 (@code{hh}, @code{ll},
 @code{j}, @code{t}, @code{z}) on some platforms:
 AIX 5.1, HP-UX 11.23, IRIX 6.5, Solaris 9, Cygwin 1.5.24, mingw, MSVC 14.
 @item
+This function does not support size specifiers as in C23 (@code{w8},
+@code{w16}, @code{w32}, @code{w64}, @code{wf8}, @code{wf16}, @code{wf32},
+@code{wf64}) on some platforms:
+glibc, musl libc, macOS 12.5, FreeBSD 13.1, NetBSD 9.0, OpenBSD 7.2,
+AIX 7.2, HP-UX 11, IRIX 6.5, Solaris 11.4, Cygwin 2.9.0, mingw, MSVC 14.
+@item
 printf of @samp{long double} numbers is unsupported on some platforms:
 mingw, MSVC 14.
 @item
diff --git a/doc/posix-functions/vswprintf.texi b/doc/posix-functions/vswprintf.texi
index 62a644fb6d..4083cfd2a1 100644
--- a/doc/posix-functions/vswprintf.texi
+++ b/doc/posix-functions/vswprintf.texi
@@ -21,6 +21,12 @@ accommodate all Unicode characters.
 @item
 On Windows, this function does not take a buffer size as second argument.
 @item
+This function does not support size specifiers as in C23 (@code{w8},
+@code{w16}, @code{w32}, @code{w64}, @code{wf8}, @code{wf16}, @code{wf32},
+@code{wf64}) on some platforms:
+glibc, musl libc, macOS 12.5, FreeBSD 13.1, NetBSD 9.0, OpenBSD 7.2,
+AIX 7.2, HP-UX 11, Solaris 11.4, Cygwin 2.9.0, mingw, MSVC 14.
+@item
 This function does not support the @samp{b} directive, required by ISO C23,
 on some platforms:
 glibc 2.34, musl libc, macOS 12.5, FreeBSD 13.1, NetBSD 9.0, OpenBSD 7.2,
diff --git a/doc/posix-functions/vwprintf.texi b/doc/posix-functions/vwprintf.texi
index 80c8646663..7b029c9ceb 100644
--- a/doc/posix-functions/vwprintf.texi
+++ b/doc/posix-functions/vwprintf.texi
@@ -22,6 +22,12 @@ platforms: Cygwin 1.5.x.
 On Windows and 32-bit AIX platforms, @code{wchar_t} is a 16-bit type and therefore cannot
 accommodate all Unicode characters.
 @item
+This function does not support size specifiers as in C23 (@code{w8},
+@code{w16}, @code{w32}, @code{w64}, @code{wf8}, @code{wf16}, @code{wf32},
+@code{wf64}) on some platforms:
+glibc, musl libc, macOS 12.5, FreeBSD 13.1, NetBSD 9.0, OpenBSD 7.2,
+AIX 7.2, HP-UX 11, Solaris 11.4, Cygwin 2.9.0, mingw, MSVC 14.
+@item
 This function does not support the @samp{b} directive, required by ISO C23,
 on some platforms:
 glibc 2.34, musl libc, macOS 12.5, FreeBSD 13.1, NetBSD 9.0, OpenBSD 7.2,
diff --git a/doc/posix-functions/wprintf.texi b/doc/posix-functions/wprintf.texi
index 1c3b99b281..56106b309e 100644
--- a/doc/posix-functions/wprintf.texi
+++ b/doc/posix-functions/wprintf.texi
@@ -22,6 +22,12 @@ platforms: Cygwin 1.5.x.
 On Windows and 32-bit AIX platforms, @code{wchar_t} is a 16-bit type and therefore cannot
 accommodate all Unicode characters.
 @item
+This function does not support size specifiers as in C23 (@code{w8},
+@code{w16}, @code{w32}, @code{w64}, @code{wf8}, @code{wf16}, @code{wf32},
+@code{wf64}) on some platforms:
+glibc, musl libc, macOS 12.5, FreeBSD 13.1, NetBSD 9.0, OpenBSD 7.2,
+AIX 7.2, HP-UX 11, Solaris 11.4, Cygwin 2.9.0, mingw, MSVC 14.
+@item
 This function does not support the @samp{b} directive, required by ISO C23,
 on some platforms:
 glibc 2.34, musl libc, macOS 12.5, FreeBSD 13.1, NetBSD 9.0, OpenBSD 7.2,