-# printf.m4 serial 83
+# printf.m4 serial 84
dnl Copyright (C) 2003, 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 Test whether the *wprintf family of functions supports the 'lc' conversion
+dnl specifier for all wide characters.
+dnl (ISO C11, POSIX:2001)
+dnl Result is gl_cv_func_swprintf_directive_lc.
+
+AC_DEFUN([gl_SWPRINTF_DIRECTIVE_LC],
+[
+ AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_CACHE_CHECK([whether swprintf supports the 'lc' directive],
+ [gl_cv_func_swprintf_directive_lc],
+ [
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
+#include <stdio.h>
+#include <wchar.h>
+static wchar_t buf[100];
+static wint_t L_invalid = (wchar_t) 0x76543210;
+int main ()
+{
+ int result = 0;
+ /* This catches a musl libc 1.2.4, Android bug.
+ Reported at <https://www.openwall.com/lists/musl/2023/06/12/3>. */
+ if (swprintf (buf, sizeof (buf) / sizeof (wchar_t),
+ L"%lc %d", L_invalid, 33, 44, 55) < 0)
+ result |= 1;
+ return result;
+}]])],
+ [gl_cv_func_swprintf_directive_lc=yes],
+ [gl_cv_func_swprintf_directive_lc=no],
+ [case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu* | gnu*) gl_cv_func_swprintf_directive_lc="guessing yes";;
+ # Guess no on musl systems.
+ *-musl* | midipix*) gl_cv_func_swprintf_directive_lc="guessing no";;
+ # Guess no on Android.
+ linux*-android*) gl_cv_func_swprintf_directive_lc="guessing no";;
+ # Guess yes on native Windows.
+ mingw*) gl_cv_func_swprintf_directive_lc="guessing yes";;
+ # If we don't know, obey --enable-cross-guesses.
+ *) gl_cv_func_swprintf_directive_lc="$gl_cross_guess_normal";;
+ esac
+ ])
+ ])
+])
+
dnl The results of these tests on various platforms are:
dnl
dnl 1 = gl_PRINTF_SIZES_C99
dnl 24 = gl_VSNPRINTF_ZEROSIZE_C99
dnl 25 = gl_SWPRINTF_WORKS
dnl 26 = gl_SWPRINTF_DIRECTIVE_LA
+dnl 27 = gl_SWPRINTF_DIRECTIVE_LC
dnl
dnl 1 = checking whether printf supports size specifiers as in C99...
dnl 2 = checking whether printf supports size specifiers as in C23...
dnl 24 = checking whether vsnprintf respects a zero size as in C99...
dnl 25 = checking whether swprintf works...
dnl 26 = checking whether swprintf supports the 'La' and 'LA' directives...
+dnl 27 = checking whether swprintf supports the 'lc' directive...
dnl
dnl . = yes, # = no.
dnl
-dnl 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
-dnl musl libc 1.2.3 . # . . . . # # . . . . . . . . . . . . . . . . # .
-dnl glibc 2.35 . # . . . . . . . . . # . . . . . . . . . . . . . .
-dnl glibc 2.5 . # . . . . # # . . . # . . . . . . . . . . . . . #
-dnl glibc 2.3.6 . # . . . # # # . . . # . . . . . . . . . . . . . #
-dnl FreeBSD 13.0 . # . . . # # # . . . # . . . . . # . . . . . . # .
-dnl FreeBSD 5.4, 6.1 . # . . . # # # . . . # . . . # . # . . . . . . # ?
-dnl Mac OS X 10.13.5 . # . . # # # # . # . # . . . . . . . . . # . . # ?
-dnl Mac OS X 10.5.8 . # . . # # # # . . . # . . . # . . . . . . . . # ?
-dnl Mac OS X 10.3.9 . # . . . # # # . . . # . . . # . # . . . . . . # ?
-dnl OpenBSD 6.0, 6.7 . # . . . # # # . . . # . . . . . # . . . . . . # .
-dnl OpenBSD 3.9, 4.0 . # . # # # # # # . # # . # . # . # . . . . . . # ?
-dnl Cygwin 1.7.0 (2009) . # . . # . # # . . ? ? . . . . . ? . . . . . . ? ?
-dnl Cygwin 1.5.25 (2008) . # . . # # # # . . # ? . . . . . # . . . . . . ? ?
-dnl Cygwin 1.5.19 (2006) # # . . # # # # # . # ? . # . # # # . . . . . . ? ?
-dnl Solaris 11.4 . # . # # # # # . . # # . . . # . . . . . . . . . ?
-dnl Solaris 11.3 . # . . . # # # . . # # . . . . . . . . . . . . . ?
-dnl Solaris 11.0 . # . # # # # # . . # # . . . # . . . . . . . . ? ?
-dnl Solaris 10 . # . # # # # # . . # # . . . # # . . . . . . . ? ?
-dnl Solaris 2.6 ... 9 # # . # # # # # # . # # . . . # # . . . # . . . ? ?
-dnl Solaris 2.5.1 # # . # # # # # # . # # . . . # . . # # # # # # ? ?
-dnl AIX 7.1 . # . # # # # # . . . # . . . # # . . . . . . . # .
-dnl AIX 5.2 . # . # # # # # . . . # . . . # . . . . . . . . # ?
-dnl AIX 4.3.2, 5.1 # # . # # # # # # . . # . . . # . . . . # . . . # ?
-dnl HP-UX 11.31 . # . . . # # # . . . ? . . . # . . . . # # . . ? ?
-dnl HP-UX 11.{00,11,23} # # . . . # # # # . . ? . . . # . . . . # # . # ? ?
-dnl HP-UX 10.20 # # . # . # # # # . ? ? . . # # . . . . # # ? # ? ?
-dnl IRIX 6.5 # # . # # # # # # . # # . . . # . . . . # . . . # ?
-dnl OSF/1 5.1 # # . # # # # # # . . ? . . . # . . . . # . . # ? ?
-dnl OSF/1 4.0d # # . # # # # # # . . ? . . . # . . # # # # # # ? ?
-dnl NetBSD 9.0 . # . . . # # # . . . # . . . . . . . . . . . . # .
-dnl NetBSD 5.0 . # . . # # # # . . . # . . . # . # . . . . . . # ?
-dnl NetBSD 4.0 . # ? ? ? ? # # ? . ? # . ? ? ? ? ? . . . ? ? ? # ?
-dnl NetBSD 3.0 . # . . . # # # # . ? # # # ? # . # . . . . . . # ?
-dnl Haiku . # . . # # # # # . # ? . . . . . ? . . ? . . . . #
-dnl BeOS # # # . # # # # # . ? ? # . ? . # ? . . ? . . . ? ?
-dnl Android 4.3 . # . # # # # # # # # ? . # . # . # . . . # . . ? ?
-dnl old mingw / msvcrt # # # # # # # # # . . ? # # . # # ? . # # # . . # ?
-dnl MSVC 9 # # # # # # # # # # . ? # # . # # ? # # # # . . # ?
-dnl mingw 2009-2011 . # # . # . # # . . . ? # # . . . ? . . . . . . # ?
-dnl mingw-w64 2011 # # # # # # # # # . . ? # # . # # ? . # # # . . # ?
+dnl 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
+dnl musl libc 1.2.3 . # . . . . # # . . . . . . . . . . . . . . . . # . #
+dnl glibc 2.35 . # . . . . . . . . . # . . . . . . . . . . . . . . .
+dnl glibc 2.5 . # . . . . # # . . . # . . . . . . . . . . . . . # .
+dnl glibc 2.3.6 . # . . . # # # . . . # . . . . . . . . . . . . . # .
+dnl FreeBSD 13.0 . # . . . # # # . . . # . . . . . # . . . . . . # . #
+dnl FreeBSD 5.4, 6.1 . # . . . # # # . . . # . . . # . # . . . . . . # ? ?
+dnl Mac OS X 10.13.5 . # . . # # # # . # . # . . . . . . . . . # . . # ? ?
+dnl Mac OS X 10.5.8 . # . . # # # # . . . # . . . # . . . . . . . . # ? ?
+dnl Mac OS X 10.3.9 . # . . . # # # . . . # . . . # . # . . . . . . # ? ?
+dnl OpenBSD 6.0, 6.7 . # . . . # # # . . . # . . . . . # . . . . . . # . #
+dnl OpenBSD 3.9, 4.0 . # . # # # # # # . # # . # . # . # . . . . . . # ? ?
+dnl Cygwin 1.7.0 (2009) . # . . # . # # . . ? ? . . . . . ? . . . . . . ? ? ?
+dnl Cygwin 1.5.25 (2008) . # . . # # # # . . # ? . . . . . # . . . . . . ? ? ?
+dnl Cygwin 1.5.19 (2006) # # . . # # # # # . # ? . # . # # # . . . . . . ? ? ?
+dnl Solaris 11.4 . # . # # # # # . . # # . . . # . . . . . . . . . # .
+dnl Solaris 11.3 . # . . . # # # . . # # . . . . . . . . . . . . . # .
+dnl Solaris 11.0 . # . # # # # # . . # # . . . # . . . . . . . . ? ? ?
+dnl Solaris 10 . # . # # # # # . . # # . . . # # . . . . . . . . # .
+dnl Solaris 2.6 ... 9 # # . # # # # # # . # # . . . # # . . . # . . . ? ? ?
+dnl Solaris 2.5.1 # # . # # # # # # . # # . . . # . . # # # # # # ? ? ?
+dnl AIX 7.1 . # . # # # # # . . . # . . . # # . . . . . . . # . .
+dnl AIX 5.2 . # . # # # # # . . . # . . . # . . . . . . . . # ? ?
+dnl AIX 4.3.2, 5.1 # # . # # # # # # . . # . . . # . . . . # . . . # ? ?
+dnl HP-UX 11.31 . # . . . # # # . . . ? . . . # . . . . # # . . ? ? ?
+dnl HP-UX 11.{00,11,23} # # . . . # # # # . . ? . . . # . . . . # # . # ? ? ?
+dnl HP-UX 10.20 # # . # . # # # # . ? ? . . # # . . . . # # ? # ? ? ?
+dnl IRIX 6.5 # # . # # # # # # . # # . . . # . . . . # . . . # ? ?
+dnl OSF/1 5.1 # # . # # # # # # . . ? . . . # . . . . # . . # ? ? ?
+dnl OSF/1 4.0d # # . # # # # # # . . ? . . . # . . # # # # # # ? ? ?
+dnl NetBSD 9.0 . # . . . # # # . . . # . . . . . . . . . . . . # . #
+dnl NetBSD 5.0 . # . . # # # # . . . # . . . # . # . . . . . . # ? ?
+dnl NetBSD 4.0 . # ? ? ? ? # # ? . ? # . ? ? ? ? ? . . . ? ? ? # ? ?
+dnl NetBSD 3.0 . # . . . # # # # . ? # # # ? # . # . . . . . . # ? ?
+dnl Haiku . # . . # # # # # . # ? . . . . . ? . . ? . . . . # .
+dnl BeOS # # # . # # # # # . ? ? # . ? . # ? . . ? . . . ? ? ?
+dnl Android 4.3 . # . # # # # # # # # ? . # . # . # . . . # . . ? ? ?
+dnl old mingw / msvcrt # # # # # # # # # . . ? # # . # # ? . # # # . . # ? ?
+dnl MSVC 9 # # # # # # # # # # . ? # # . # # ? # # # # . . # ? ?
+dnl mingw 2009-2011 . # # . # . # # . . . ? # # . . . ? . . . . . . # ? ?
+dnl mingw-w64 2011 # # # # # # # # # . . ? # # . # # ? . # # # . . # ? ?