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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:54:16 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:54:16 +0000
commit485f6ecd453d8a2fd8b9b9fadea03159d8b50797 (patch)
tree32451fa3cdd9321fb2591fada9891b2cb70a9cd1 /m4/mbsrtowcs.m4
parentInitial commit. (diff)
downloadgrub2-485f6ecd453d8a2fd8b9b9fadea03159d8b50797.tar.xz
grub2-485f6ecd453d8a2fd8b9b9fadea03159d8b50797.zip
Adding upstream version 2.06.upstream/2.06upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'm4/mbsrtowcs.m4')
-rw-r--r--m4/mbsrtowcs.m4155
1 files changed, 155 insertions, 0 deletions
diff --git a/m4/mbsrtowcs.m4 b/m4/mbsrtowcs.m4
new file mode 100644
index 0000000..cbdde2c
--- /dev/null
+++ b/m4/mbsrtowcs.m4
@@ -0,0 +1,155 @@
+# mbsrtowcs.m4 serial 13
+dnl Copyright (C) 2008-2019 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_MBSRTOWCS],
+[
+ AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
+
+ AC_REQUIRE([AC_TYPE_MBSTATE_T])
+ gl_MBSTATE_T_BROKEN
+
+ AC_CHECK_FUNCS_ONCE([mbsrtowcs])
+ if test $ac_cv_func_mbsrtowcs = no; then
+ HAVE_MBSRTOWCS=0
+ AC_CHECK_DECLS([mbsrtowcs],,, [[
+/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
+ <wchar.h>.
+ BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
+ included before <wchar.h>. */
+#include <stddef.h>
+#include <stdio.h>
+#include <time.h>
+#include <wchar.h>
+]])
+ if test $ac_cv_have_decl_mbsrtowcs = yes; then
+ dnl On Minix 3.1.8, the system's <wchar.h> declares mbsrtowcs() although
+ dnl it does not have the function. Avoid a collision with gnulib's
+ dnl replacement.
+ REPLACE_MBSRTOWCS=1
+ fi
+ else
+ if test $REPLACE_MBSTATE_T = 1; then
+ REPLACE_MBSRTOWCS=1
+ else
+ gl_MBSRTOWCS_WORKS
+ case "$gl_cv_func_mbsrtowcs_works" in
+ *yes) ;;
+ *) REPLACE_MBSRTOWCS=1 ;;
+ esac
+ fi
+ fi
+])
+
+dnl Test whether mbsrtowcs works.
+dnl Result is gl_cv_func_mbsrtowcs_works.
+
+AC_DEFUN([gl_MBSRTOWCS_WORKS],
+[
+ AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([gt_LOCALE_FR])
+ AC_REQUIRE([gt_LOCALE_FR_UTF8])
+ AC_REQUIRE([gt_LOCALE_JA])
+ AC_REQUIRE([gt_LOCALE_ZH_CN])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_CACHE_CHECK([whether mbsrtowcs works],
+ [gl_cv_func_mbsrtowcs_works],
+ [
+ dnl Initial guess, used when cross-compiling or when no suitable locale
+ dnl is present.
+changequote(,)dnl
+ case "$host_os" in
+ # Guess no on HP-UX, Solaris, mingw.
+ hpux* | solaris* | mingw*) gl_cv_func_mbsrtowcs_works="guessing no" ;;
+ # Guess yes otherwise.
+ *) gl_cv_func_mbsrtowcs_works="guessing yes" ;;
+ esac
+changequote([,])dnl
+ if test $LOCALE_FR != none || test $LOCALE_FR_UTF8 != none || test $LOCALE_JA != none || test $LOCALE_ZH_CN != none; then
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
+#include <locale.h>
+#include <string.h>
+/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
+ <wchar.h>.
+ BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
+ included before <wchar.h>. */
+#include <stddef.h>
+#include <stdio.h>
+#include <time.h>
+#include <wchar.h>
+int main ()
+{
+ int result = 0;
+ /* Test whether the function supports a NULL destination argument.
+ This fails on native Windows. */
+ if (setlocale (LC_ALL, "$LOCALE_FR") != NULL)
+ {
+ const char input[] = "\337er";
+ const char *src = input;
+ mbstate_t state;
+
+ memset (&state, '\0', sizeof (mbstate_t));
+ if (mbsrtowcs (NULL, &src, 1, &state) != 3
+ || src != input)
+ result |= 1;
+ }
+ /* Test whether the function works when started with a conversion state
+ in non-initial state. This fails on HP-UX 11.11 and Solaris 10. */
+ if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL)
+ {
+ const char input[] = "B\303\274\303\237er";
+ mbstate_t state;
+
+ memset (&state, '\0', sizeof (mbstate_t));
+ if (mbrtowc (NULL, input + 1, 1, &state) == (size_t)(-2))
+ if (!mbsinit (&state))
+ {
+ const char *src = input + 2;
+ if (mbsrtowcs (NULL, &src, 10, &state) != 4)
+ result |= 2;
+ }
+ }
+ if (setlocale (LC_ALL, "$LOCALE_JA") != NULL)
+ {
+ const char input[] = "<\306\374\313\334\270\354>";
+ mbstate_t state;
+
+ memset (&state, '\0', sizeof (mbstate_t));
+ if (mbrtowc (NULL, input + 3, 1, &state) == (size_t)(-2))
+ if (!mbsinit (&state))
+ {
+ const char *src = input + 4;
+ if (mbsrtowcs (NULL, &src, 10, &state) != 3)
+ result |= 4;
+ }
+ }
+ if (setlocale (LC_ALL, "$LOCALE_ZH_CN") != NULL)
+ {
+ const char input[] = "B\250\271\201\060\211\070er";
+ mbstate_t state;
+
+ memset (&state, '\0', sizeof (mbstate_t));
+ if (mbrtowc (NULL, input + 1, 1, &state) == (size_t)(-2))
+ if (!mbsinit (&state))
+ {
+ const char *src = input + 2;
+ if (mbsrtowcs (NULL, &src, 10, &state) != 4)
+ result |= 8;
+ }
+ }
+ return result;
+}]])],
+ [gl_cv_func_mbsrtowcs_works=yes],
+ [gl_cv_func_mbsrtowcs_works=no],
+ [:])
+ fi
+ ])
+])
+
+# Prerequisites of lib/mbsrtowcs.c.
+AC_DEFUN([gl_PREREQ_MBSRTOWCS], [
+ :
+])