New upstream version 2.3.4
This commit is contained in:
parent
e7bdd1c6c6
commit
de72f6f588
556 changed files with 90432 additions and 53391 deletions
358
gl/m4/mbrtowc.m4
358
gl/m4/mbrtowc.m4
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@ -1,5 +1,5 @@
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# mbrtowc.m4 serial 25
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dnl Copyright (C) 2001-2002, 2004-2005, 2008-2013 Free Software Foundation,
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# mbrtowc.m4 serial 38 -*- coding: utf-8 -*-
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dnl Copyright (C) 2001-2002, 2004-2005, 2008-2023 Free Software Foundation,
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dnl Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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@ -8,6 +8,8 @@ dnl with or without modifications, as long as this notice is preserved.
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AC_DEFUN([gl_FUNC_MBRTOWC],
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[
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AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
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AC_REQUIRE([gl_PTHREADLIB])
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AC_CHECK_HEADERS_ONCE([threads.h])
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AC_REQUIRE([AC_TYPE_MBSTATE_T])
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gl_MBSTATE_T_BROKEN
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@ -16,15 +18,8 @@ AC_DEFUN([gl_FUNC_MBRTOWC],
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if test $ac_cv_func_mbrtowc = no; then
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HAVE_MBRTOWC=0
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AC_CHECK_DECLS([mbrtowc],,, [[
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/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
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<wchar.h>.
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BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
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included before <wchar.h>. */
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#include <stddef.h>
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#include <stdio.h>
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#include <time.h>
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#include <wchar.h>
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]])
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#include <wchar.h>
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]])
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if test $ac_cv_have_decl_mbrtowc = yes; then
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dnl On Minix 3.1.8, the system's <wchar.h> declares mbrtowc() although
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dnl it does not have the function. Avoid a collision with gnulib's
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@ -39,6 +34,9 @@ AC_DEFUN([gl_FUNC_MBRTOWC],
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gl_MBRTOWC_NULL_ARG2
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gl_MBRTOWC_RETVAL
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gl_MBRTOWC_NUL_RETVAL
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gl_MBRTOWC_STORES_INCOMPLETE
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gl_MBRTOWC_EMPTY_INPUT
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gl_MBRTOWC_C_LOCALE
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case "$gl_cv_func_mbrtowc_null_arg1" in
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*yes) ;;
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*) AC_DEFINE([MBRTOWC_NULL_ARG1_BUG], [1],
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@ -67,8 +65,47 @@ AC_DEFUN([gl_FUNC_MBRTOWC],
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REPLACE_MBRTOWC=1
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;;
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esac
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case "$gl_cv_func_mbrtowc_stores_incomplete" in
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*no) ;;
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*) AC_DEFINE([MBRTOWC_STORES_INCOMPLETE_BUG], [1],
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[Define if the mbrtowc function stores a wide character when reporting incomplete input.])
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REPLACE_MBRTOWC=1
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;;
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esac
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case "$gl_cv_func_mbrtowc_empty_input" in
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*yes) ;;
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*) AC_DEFINE([MBRTOWC_EMPTY_INPUT_BUG], [1],
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[Define if the mbrtowc function does not return (size_t) -2
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for empty input.])
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REPLACE_MBRTOWC=1
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;;
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esac
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case "$gl_cv_func_mbrtowc_C_locale_sans_EILSEQ" in
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*yes) ;;
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*) AC_DEFINE([MBRTOWC_IN_C_LOCALE_MAYBE_EILSEQ], [1],
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[Define if the mbrtowc function may signal encoding errors in the C locale.])
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REPLACE_MBRTOWC=1
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;;
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esac
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fi
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fi
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if test $REPLACE_MBSTATE_T = 1; then
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case "$host_os" in
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mingw*) LIB_MBRTOWC= ;;
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*)
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gl_WEAK_SYMBOLS
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case "$gl_cv_have_weak" in
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*yes) LIB_MBRTOWC= ;;
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*) LIB_MBRTOWC="$LIBPTHREAD" ;;
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esac
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;;
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esac
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else
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LIB_MBRTOWC=
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fi
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dnl LIB_MBRTOWC is expected to be '-pthread' or '-lpthread' on AIX
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dnl with gcc or xlc, and empty otherwise.
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AC_SUBST([LIB_MBRTOWC])
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])
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dnl Test whether mbsinit() and mbrtowc() need to be overridden in a way that
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@ -80,11 +117,19 @@ dnl avoid inconsistencies.
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AC_DEFUN([gl_MBSTATE_T_BROKEN],
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[
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AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
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AC_REQUIRE([AC_CANONICAL_HOST])
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AC_REQUIRE([AC_TYPE_MBSTATE_T])
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AC_CHECK_FUNCS_ONCE([mbsinit])
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AC_CHECK_FUNCS_ONCE([mbrtowc])
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if test $ac_cv_func_mbsinit = yes && test $ac_cv_func_mbrtowc = yes; then
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dnl On native Windows, we know exactly how mbsinit() behaves and don't need
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dnl to override it, even if - like on MSVC - mbsinit() is only defined as
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dnl an inline function, not as a global function.
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if case "$host_os" in
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mingw*) true ;;
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*) test $ac_cv_func_mbsinit = yes ;;
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esac \
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&& test $ac_cv_func_mbrtowc = yes; then
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gl_MBRTOWC_INCOMPLETE_STATE
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gl_MBRTOWC_SANITYCHECK
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REPLACE_MBSTATE_T=0
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@ -109,6 +154,7 @@ AC_DEFUN([gl_MBRTOWC_INCOMPLETE_STATE],
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[
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AC_REQUIRE([AC_PROG_CC])
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AC_REQUIRE([gt_LOCALE_JA])
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AC_REQUIRE([gt_LOCALE_FR_UTF8])
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AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
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AC_CACHE_CHECK([whether mbrtowc handles incomplete characters],
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[gl_cv_func_mbrtowc_incomplete_state],
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@ -128,13 +174,6 @@ changequote([,])dnl
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[AC_LANG_SOURCE([[
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#include <locale.h>
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#include <string.h>
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/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
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<wchar.h>.
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BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
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included before <wchar.h>. */
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#include <stddef.h>
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#include <stdio.h>
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#include <time.h>
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#include <wchar.h>
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int main ()
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{
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@ -147,13 +186,39 @@ int main ()
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memset (&state, '\0', sizeof (mbstate_t));
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if (mbrtowc (&wc, input + 1, 1, &state) == (size_t)(-2))
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if (mbsinit (&state))
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return 1;
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return 2;
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}
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return 0;
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}]])],
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[gl_cv_func_mbrtowc_incomplete_state=yes],
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[gl_cv_func_mbrtowc_incomplete_state=no],
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[:])
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else
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if test $LOCALE_FR_UTF8 != none; then
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AC_RUN_IFELSE(
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[AC_LANG_SOURCE([[
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#include <locale.h>
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#include <string.h>
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#include <wchar.h>
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int main ()
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{
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if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL)
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{
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const char input[] = "B\303\274\303\237er"; /* "Büßer" */
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mbstate_t state;
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wchar_t wc;
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memset (&state, '\0', sizeof (mbstate_t));
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if (mbrtowc (&wc, input + 1, 1, &state) == (size_t)(-2))
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if (mbsinit (&state))
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return 2;
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}
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return 0;
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}]])],
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[gl_cv_func_mbrtowc_incomplete_state=yes],
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[gl_cv_func_mbrtowc_incomplete_state=no],
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[:])
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fi
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fi
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])
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])
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@ -185,13 +250,6 @@ changequote([,])dnl
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#include <locale.h>
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#include <stdlib.h>
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#include <string.h>
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/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
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<wchar.h>.
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BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
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included before <wchar.h>. */
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#include <stddef.h>
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#include <stdio.h>
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#include <time.h>
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#include <wchar.h>
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int main ()
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{
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@ -207,7 +265,7 @@ int main ()
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memset (&state, '\0', sizeof (mbstate_t));
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if (mbrtowc (&wc, input + 3, 6, &state) != 4
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&& mbtowc (&wc, input + 3, 6) == 4)
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return 1;
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return 2;
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}
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return 0;
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}]])],
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@ -245,13 +303,6 @@ changequote([,])dnl
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#include <locale.h>
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#include <stdlib.h>
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#include <string.h>
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/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
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<wchar.h>.
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BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
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included before <wchar.h>. */
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#include <stddef.h>
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#include <stdio.h>
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#include <time.h>
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#include <wchar.h>
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int main ()
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{
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@ -314,13 +365,6 @@ changequote([,])dnl
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[AC_LANG_SOURCE([[
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#include <locale.h>
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#include <string.h>
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/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
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<wchar.h>.
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BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
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included before <wchar.h>. */
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#include <stddef.h>
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#include <stdio.h>
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#include <time.h>
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#include <wchar.h>
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int main ()
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{
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@ -335,7 +379,7 @@ int main ()
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mbrtowc (&wc, NULL, 5, &state);
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/* Check that wc was not modified. */
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if (wc != (wchar_t) 0xBADFACE)
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return 1;
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return 2;
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}
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return 0;
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}]])],
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@ -376,13 +420,6 @@ changequote([,])dnl
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[AC_LANG_SOURCE([[
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#include <locale.h>
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#include <string.h>
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/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
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<wchar.h>.
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BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
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included before <wchar.h>. */
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#include <stddef.h>
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#include <stdio.h>
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#include <time.h>
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#include <wchar.h>
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int main ()
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{
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@ -504,13 +541,6 @@ changequote([,])dnl
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[AC_LANG_SOURCE([[
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#include <locale.h>
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#include <string.h>
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/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
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<wchar.h>.
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BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
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included before <wchar.h>. */
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#include <stddef.h>
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#include <stdio.h>
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#include <time.h>
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#include <wchar.h>
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int main ()
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{
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@ -522,7 +552,7 @@ int main ()
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memset (&state, '\0', sizeof (mbstate_t));
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if (mbrtowc (&wc, "", 1, &state) != 0)
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return 1;
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return 2;
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}
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return 0;
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}]])],
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@ -533,11 +563,206 @@ int main ()
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])
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])
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# Prerequisites of lib/mbrtowc.c.
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dnl Test whether mbrtowc stores a wide character when reporting incomplete
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dnl input.
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AC_DEFUN([gl_MBRTOWC_STORES_INCOMPLETE],
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[
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AC_REQUIRE([AC_PROG_CC])
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AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
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AC_CACHE_CHECK([whether mbrtowc stores incomplete characters],
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[gl_cv_func_mbrtowc_stores_incomplete],
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[
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dnl Initial guess, used when cross-compiling or when no suitable locale
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dnl is present.
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changequote(,)dnl
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case "$host_os" in
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# Guess yes on native Windows.
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mingw*) gl_cv_func_mbrtowc_stores_incomplete="guessing yes" ;;
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*) gl_cv_func_mbrtowc_stores_incomplete="guessing no" ;;
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esac
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changequote([,])dnl
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case "$host_os" in
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mingw*)
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AC_RUN_IFELSE(
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[AC_LANG_SOURCE([[
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#include <locale.h>
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#include <string.h>
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#include <wchar.h>
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int main ()
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{
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int result = 0;
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if (setlocale (LC_ALL, "French_France.65001") != NULL)
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{
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wchar_t wc = (wchar_t) 0xBADFACE;
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mbstate_t state;
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memset (&state, '\0', sizeof (mbstate_t));
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if (mbrtowc (&wc, "\303", 1, &state) == (size_t)(-2)
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&& wc != (wchar_t) 0xBADFACE)
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result |= 1;
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}
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if (setlocale (LC_ALL, "Japanese_Japan.932") != NULL)
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{
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wchar_t wc = (wchar_t) 0xBADFACE;
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mbstate_t state;
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memset (&state, '\0', sizeof (mbstate_t));
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if (mbrtowc (&wc, "\226", 1, &state) == (size_t)(-2)
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&& wc != (wchar_t) 0xBADFACE)
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result |= 2;
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}
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if (setlocale (LC_ALL, "Chinese_Taiwan.950") != NULL)
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{
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wchar_t wc = (wchar_t) 0xBADFACE;
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mbstate_t state;
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memset (&state, '\0', sizeof (mbstate_t));
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if (mbrtowc (&wc, "\245", 1, &state) == (size_t)(-2)
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&& wc != (wchar_t) 0xBADFACE)
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result |= 4;
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}
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if (setlocale (LC_ALL, "Chinese_China.936") != NULL)
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{
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wchar_t wc = (wchar_t) 0xBADFACE;
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mbstate_t state;
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memset (&state, '\0', sizeof (mbstate_t));
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if (mbrtowc (&wc, "\261", 1, &state) == (size_t)(-2)
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&& wc != (wchar_t) 0xBADFACE)
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result |= 8;
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}
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return result;
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}]])],
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[gl_cv_func_mbrtowc_stores_incomplete=no],
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[gl_cv_func_mbrtowc_stores_incomplete=yes],
|
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[:])
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;;
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*)
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AC_REQUIRE([gt_LOCALE_FR_UTF8])
|
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if test $LOCALE_FR_UTF8 != none; then
|
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AC_RUN_IFELSE(
|
||||
[AC_LANG_SOURCE([[
|
||||
#include <locale.h>
|
||||
#include <string.h>
|
||||
#include <wchar.h>
|
||||
int main ()
|
||||
{
|
||||
if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL)
|
||||
{
|
||||
wchar_t wc = (wchar_t) 0xBADFACE;
|
||||
mbstate_t state;
|
||||
|
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memset (&state, '\0', sizeof (mbstate_t));
|
||||
if (mbrtowc (&wc, "\303", 1, &state) == (size_t)(-2)
|
||||
&& wc != (wchar_t) 0xBADFACE)
|
||||
return 1;
|
||||
}
|
||||
return 0;
|
||||
}]])],
|
||||
[gl_cv_func_mbrtowc_stores_incomplete=no],
|
||||
[gl_cv_func_mbrtowc_stores_incomplete=yes],
|
||||
[:])
|
||||
fi
|
||||
;;
|
||||
esac
|
||||
])
|
||||
])
|
||||
|
||||
dnl Test whether mbrtowc returns the correct value on empty input.
|
||||
|
||||
AC_DEFUN([gl_MBRTOWC_EMPTY_INPUT],
|
||||
[
|
||||
AC_REQUIRE([AC_PROG_CC])
|
||||
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
|
||||
AC_CACHE_CHECK([whether mbrtowc works on empty input],
|
||||
[gl_cv_func_mbrtowc_empty_input],
|
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[
|
||||
dnl Initial guess, used when cross-compiling or when no suitable locale
|
||||
dnl is present.
|
||||
changequote(,)dnl
|
||||
case "$host_os" in
|
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# Guess no on AIX and glibc systems.
|
||||
aix* | *-gnu* | gnu*) gl_cv_func_mbrtowc_empty_input="guessing no" ;;
|
||||
# Guess yes on native Windows.
|
||||
mingw*) gl_cv_func_mbrtowc_empty_input="guessing yes" ;;
|
||||
*) gl_cv_func_mbrtowc_empty_input="guessing yes" ;;
|
||||
esac
|
||||
changequote([,])dnl
|
||||
AC_RUN_IFELSE(
|
||||
[AC_LANG_SOURCE([[
|
||||
#include <wchar.h>
|
||||
static wchar_t wc;
|
||||
static mbstate_t mbs;
|
||||
int
|
||||
main (void)
|
||||
{
|
||||
return mbrtowc (&wc, "", 0, &mbs) != (size_t) -2;
|
||||
}]])],
|
||||
[gl_cv_func_mbrtowc_empty_input=yes],
|
||||
[gl_cv_func_mbrtowc_empty_input=no],
|
||||
[:])
|
||||
])
|
||||
])
|
||||
|
||||
dnl Test whether mbrtowc reports encoding errors in the C locale.
|
||||
dnl Although POSIX was never intended to allow this, the GNU C Library
|
||||
dnl and other implementations do it. See:
|
||||
dnl https://sourceware.org/bugzilla/show_bug.cgi?id=19932
|
||||
|
||||
AC_DEFUN([gl_MBRTOWC_C_LOCALE],
|
||||
[
|
||||
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
|
||||
AC_CACHE_CHECK([whether the C locale is free of encoding errors],
|
||||
[gl_cv_func_mbrtowc_C_locale_sans_EILSEQ],
|
||||
[
|
||||
dnl Initial guess, used when cross-compiling or when no suitable locale
|
||||
dnl is present.
|
||||
gl_cv_func_mbrtowc_C_locale_sans_EILSEQ="$gl_cross_guess_normal"
|
||||
|
||||
AC_RUN_IFELSE(
|
||||
[AC_LANG_PROGRAM(
|
||||
[[#include <limits.h>
|
||||
#include <locale.h>
|
||||
#include <wchar.h>
|
||||
]], [[
|
||||
int i;
|
||||
char *locale = setlocale (LC_ALL, "C");
|
||||
if (! locale)
|
||||
return 2;
|
||||
for (i = CHAR_MIN; i <= CHAR_MAX; i++)
|
||||
{
|
||||
char c = i;
|
||||
wchar_t wc;
|
||||
mbstate_t mbs = { 0, };
|
||||
size_t ss = mbrtowc (&wc, &c, 1, &mbs);
|
||||
if (1 < ss)
|
||||
return 3;
|
||||
}
|
||||
return 0;
|
||||
]])],
|
||||
[gl_cv_func_mbrtowc_C_locale_sans_EILSEQ=yes],
|
||||
[gl_cv_func_mbrtowc_C_locale_sans_EILSEQ=no],
|
||||
[case "$host_os" in
|
||||
# Guess yes on native Windows.
|
||||
mingw*) gl_cv_func_mbrtowc_C_locale_sans_EILSEQ="guessing yes" ;;
|
||||
esac
|
||||
])
|
||||
])
|
||||
])
|
||||
|
||||
# Prerequisites of lib/mbrtowc.c and lib/lc-charset-dispatch.c.
|
||||
AC_DEFUN([gl_PREREQ_MBRTOWC], [
|
||||
AC_REQUIRE([AC_C_INLINE])
|
||||
:
|
||||
])
|
||||
|
||||
# Prerequisites of lib/mbtowc-lock.c.
|
||||
AC_DEFUN([gl_PREREQ_MBTOWC_LOCK],
|
||||
[
|
||||
gl_VISIBILITY
|
||||
])
|
||||
|
||||
|
||||
dnl From Paul Eggert
|
||||
|
||||
|
|
@ -547,24 +772,17 @@ AC_DEFUN([AC_FUNC_MBRTOWC],
|
|||
[
|
||||
dnl Same as AC_FUNC_MBRTOWC in autoconf-2.60.
|
||||
AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared],
|
||||
gl_cv_func_mbrtowc,
|
||||
[gl_cv_func_mbrtowc],
|
||||
[AC_LINK_IFELSE(
|
||||
[AC_LANG_PROGRAM(
|
||||
[[/* 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>]],
|
||||
[[#include <wchar.h>]],
|
||||
[[wchar_t wc;
|
||||
char const s[] = "";
|
||||
size_t n = 1;
|
||||
mbstate_t state;
|
||||
return ! (sizeof state && (mbrtowc) (&wc, s, n, &state));]])],
|
||||
gl_cv_func_mbrtowc=yes,
|
||||
gl_cv_func_mbrtowc=no)])
|
||||
[gl_cv_func_mbrtowc=yes],
|
||||
[gl_cv_func_mbrtowc=no])])
|
||||
if test $gl_cv_func_mbrtowc = yes; then
|
||||
AC_DEFINE([HAVE_MBRTOWC], [1],
|
||||
[Define to 1 if mbrtowc and mbstate_t are properly declared.])
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue