X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=m4%2Fmbrtowc.m4;h=8f829c8ea59b550d22bca5d66ab089218a4ce587;hb=dc84183747ce1703eb99685b5dbde1f65a143c06;hp=9ec93f561575d64d89959130279d6f90154bf0f3;hpb=a2016c1de6e4884f6c8ed5cc498f3bf821c25ca4;p=debian%2Fgzip diff --git a/m4/mbrtowc.m4 b/m4/mbrtowc.m4 index 9ec93f5..8f829c8 100644 --- a/m4/mbrtowc.m4 +++ b/m4/mbrtowc.m4 @@ -1,5 +1,5 @@ -# mbrtowc.m4 serial 16 -dnl Copyright (C) 2001-2002, 2004-2005, 2008-2010 Free Software Foundation, +# mbrtowc.m4 serial 25 +dnl Copyright (C) 2001-2002, 2004-2005, 2008-2012 Free Software Foundation, dnl Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -11,43 +11,63 @@ AC_DEFUN([gl_FUNC_MBRTOWC], AC_REQUIRE([AC_TYPE_MBSTATE_T]) gl_MBSTATE_T_BROKEN - if test $REPLACE_MBSTATE_T = 1; then - REPLACE_MBRTOWC=1 - fi + AC_CHECK_FUNCS_ONCE([mbrtowc]) if test $ac_cv_func_mbrtowc = no; then HAVE_MBRTOWC=0 - fi - if test $HAVE_MBRTOWC != 0 && test $REPLACE_MBRTOWC != 1; then - gl_MBRTOWC_NULL_ARG - gl_MBRTOWC_RETVAL - gl_MBRTOWC_NUL_RETVAL - case "$gl_cv_func_mbrtowc_null_arg" in - *yes) ;; - *) AC_DEFINE([MBRTOWC_NULL_ARG_BUG], [1], - [Define if the mbrtowc function has the NULL string argument bug.]) - REPLACE_MBRTOWC=1 - ;; - esac - case "$gl_cv_func_mbrtowc_retval" in - *yes) ;; - *) AC_DEFINE([MBRTOWC_RETVAL_BUG], [1], - [Define if the mbrtowc function returns a wrong return value.]) - REPLACE_MBRTOWC=1 - ;; - esac - case "$gl_cv_func_mbrtowc_nul_retval" in - *yes) ;; - *) AC_DEFINE([MBRTOWC_NUL_RETVAL_BUG], [1], - [Define if the mbrtowc function does not return 0 for a NUL character.]) - REPLACE_MBRTOWC=1 - ;; - esac - fi - if test $HAVE_MBRTOWC = 0 || test $REPLACE_MBRTOWC = 1; then - gl_REPLACE_WCHAR_H - AC_LIBOBJ([mbrtowc]) - gl_PREREQ_MBRTOWC + AC_CHECK_DECLS([mbrtowc],,, [[ +/* Tru64 with Desktop Toolkit C has a bug: must be included before + . + BSD/OS 4.0.1 has a bug: , and must be + included before . */ +#include +#include +#include +#include +]]) + if test $ac_cv_have_decl_mbrtowc = yes; then + dnl On Minix 3.1.8, the system's declares mbrtowc() although + dnl it does not have the function. Avoid a collision with gnulib's + dnl replacement. + REPLACE_MBRTOWC=1 + fi + else + if test $REPLACE_MBSTATE_T = 1; then + REPLACE_MBRTOWC=1 + else + gl_MBRTOWC_NULL_ARG1 + gl_MBRTOWC_NULL_ARG2 + gl_MBRTOWC_RETVAL + gl_MBRTOWC_NUL_RETVAL + case "$gl_cv_func_mbrtowc_null_arg1" in + *yes) ;; + *) AC_DEFINE([MBRTOWC_NULL_ARG1_BUG], [1], + [Define if the mbrtowc function has the NULL pwc argument bug.]) + REPLACE_MBRTOWC=1 + ;; + esac + case "$gl_cv_func_mbrtowc_null_arg2" in + *yes) ;; + *) AC_DEFINE([MBRTOWC_NULL_ARG2_BUG], [1], + [Define if the mbrtowc function has the NULL string argument bug.]) + REPLACE_MBRTOWC=1 + ;; + esac + case "$gl_cv_func_mbrtowc_retval" in + *yes) ;; + *) AC_DEFINE([MBRTOWC_RETVAL_BUG], [1], + [Define if the mbrtowc function returns a wrong return value.]) + REPLACE_MBRTOWC=1 + ;; + esac + case "$gl_cv_func_mbrtowc_nul_retval" in + *yes) ;; + *) AC_DEFINE([MBRTOWC_NUL_RETVAL_BUG], [1], + [Define if the mbrtowc function does not return 0 for a NUL character.]) + REPLACE_MBRTOWC=1 + ;; + esac + fi fi ]) @@ -79,9 +99,6 @@ AC_DEFUN([gl_MBSTATE_T_BROKEN], else REPLACE_MBSTATE_T=1 fi - if test $REPLACE_MBSTATE_T = 1; then - gl_REPLACE_WCHAR_H - fi ]) dnl Test whether mbrtowc puts the state into non-initial state when parsing an @@ -100,16 +117,24 @@ AC_DEFUN([gl_MBRTOWC_INCOMPLETE_STATE], dnl is present. changequote(,)dnl case "$host_os" in - # Guess no on AIX and OSF/1. - osf*) gl_cv_func_mbrtowc_incomplete_state="guessing no" ;; - # Guess yes otherwise. - *) gl_cv_func_mbrtowc_incomplete_state="guessing yes" ;; + # Guess no on AIX and OSF/1. + aix* | osf*) gl_cv_func_mbrtowc_incomplete_state="guessing no" ;; + # Guess yes otherwise. + *) gl_cv_func_mbrtowc_incomplete_state="guessing yes" ;; esac changequote([,])dnl if test $LOCALE_JA != none; then - AC_TRY_RUN([ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ #include #include +/* Tru64 with Desktop Toolkit C has a bug: must be included before + . + BSD/OS 4.0.1 has a bug: , and must be + included before . */ +#include +#include +#include #include int main () { @@ -125,7 +150,7 @@ int main () return 1; } return 0; -}], +}]])], [gl_cv_func_mbrtowc_incomplete_state=yes], [gl_cv_func_mbrtowc_incomplete_state=no], [:]) @@ -155,10 +180,18 @@ changequote(,)dnl esac changequote([,])dnl if test $LOCALE_ZH_CN != none; then - AC_TRY_RUN([ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ #include #include #include +/* Tru64 with Desktop Toolkit C has a bug: must be included before + . + BSD/OS 4.0.1 has a bug: , and must be + included before . */ +#include +#include +#include #include int main () { @@ -177,7 +210,7 @@ int main () return 1; } return 0; -}], +}]])], [gl_cv_func_mbrtowc_sanitycheck=yes], [gl_cv_func_mbrtowc_sanitycheck=no], [:]) @@ -185,31 +218,109 @@ int main () ]) ]) +dnl Test whether mbrtowc supports a NULL pwc argument correctly. +dnl Result is gl_cv_func_mbrtowc_null_arg1. + +AC_DEFUN([gl_MBRTOWC_NULL_ARG1], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([gt_LOCALE_FR_UTF8]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether mbrtowc handles a NULL pwc argument], + [gl_cv_func_mbrtowc_null_arg1], + [ + dnl Initial guess, used when cross-compiling or when no suitable locale + dnl is present. +changequote(,)dnl + case "$host_os" in + # Guess no on Solaris. + solaris*) gl_cv_func_mbrtowc_null_arg1="guessing no" ;; + # Guess yes otherwise. + *) gl_cv_func_mbrtowc_null_arg1="guessing yes" ;; + esac +changequote([,])dnl + if test $LOCALE_FR_UTF8 != none; then + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include +#include +#include +/* Tru64 with Desktop Toolkit C has a bug: must be included before + . + BSD/OS 4.0.1 has a bug: , and must be + included before . */ +#include +#include +#include +#include +int main () +{ + int result = 0; + + if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL) + { + char input[] = "\303\237er"; + mbstate_t state; + wchar_t wc; + size_t ret; + + memset (&state, '\0', sizeof (mbstate_t)); + wc = (wchar_t) 0xBADFACE; + ret = mbrtowc (&wc, input, 5, &state); + if (ret != 2) + result |= 1; + if (!mbsinit (&state)) + result |= 2; + + memset (&state, '\0', sizeof (mbstate_t)); + ret = mbrtowc (NULL, input, 5, &state); + if (ret != 2) /* Solaris 7 fails here: ret is -1. */ + result |= 4; + if (!mbsinit (&state)) + result |= 8; + } + return result; +}]])], + [gl_cv_func_mbrtowc_null_arg1=yes], + [gl_cv_func_mbrtowc_null_arg1=no], + [:]) + fi + ]) +]) + dnl Test whether mbrtowc supports a NULL string argument correctly. -dnl Result is gl_cv_func_mbrtowc_null_arg. +dnl Result is gl_cv_func_mbrtowc_null_arg2. -AC_DEFUN([gl_MBRTOWC_NULL_ARG], +AC_DEFUN([gl_MBRTOWC_NULL_ARG2], [ AC_REQUIRE([AC_PROG_CC]) AC_REQUIRE([gt_LOCALE_FR_UTF8]) AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles AC_CACHE_CHECK([whether mbrtowc handles a NULL string argument], - [gl_cv_func_mbrtowc_null_arg], + [gl_cv_func_mbrtowc_null_arg2], [ dnl Initial guess, used when cross-compiling or when no suitable locale dnl is present. changequote(,)dnl case "$host_os" in # Guess no on OSF/1. - osf*) gl_cv_func_mbrtowc_null_arg="guessing no" ;; + osf*) gl_cv_func_mbrtowc_null_arg2="guessing no" ;; # Guess yes otherwise. - *) gl_cv_func_mbrtowc_null_arg="guessing yes" ;; + *) gl_cv_func_mbrtowc_null_arg2="guessing yes" ;; esac changequote([,])dnl if test $LOCALE_FR_UTF8 != none; then - AC_TRY_RUN([ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ #include #include +/* Tru64 with Desktop Toolkit C has a bug: must be included before + . + BSD/OS 4.0.1 has a bug: , and must be + included before . */ +#include +#include +#include #include int main () { @@ -227,7 +338,10 @@ int main () return 1; } return 0; -}], [gl_cv_func_mbrtowc_null_arg=yes], [gl_cv_func_mbrtowc_null_arg=no], [:]) +}]])], + [gl_cv_func_mbrtowc_null_arg2=yes], + [gl_cv_func_mbrtowc_null_arg2=no], + [:]) fi ]) ]) @@ -242,7 +356,7 @@ AC_DEFUN([gl_MBRTOWC_RETVAL], AC_REQUIRE([AC_PROG_CC]) AC_REQUIRE([gt_LOCALE_FR_UTF8]) AC_REQUIRE([gt_LOCALE_JA]) - AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_REQUIRE([AC_CANONICAL_HOST]) AC_CACHE_CHECK([whether mbrtowc has a correct return value], [gl_cv_func_mbrtowc_retval], [ @@ -250,19 +364,30 @@ AC_DEFUN([gl_MBRTOWC_RETVAL], dnl is present. changequote(,)dnl case "$host_os" in - # Guess no on HP-UX and Solaris. - hpux* | solaris*) gl_cv_func_mbrtowc_retval="guessing no" ;; - # Guess yes otherwise. - *) gl_cv_func_mbrtowc_retval="guessing yes" ;; + # Guess no on HP-UX, Solaris, native Windows. + hpux* | solaris* | mingw*) gl_cv_func_mbrtowc_retval="guessing no" ;; + # Guess yes otherwise. + *) gl_cv_func_mbrtowc_retval="guessing yes" ;; esac changequote([,])dnl - if test $LOCALE_FR_UTF8 != none || test $LOCALE_JA != none; then - AC_TRY_RUN([ + if test $LOCALE_FR_UTF8 != none || test $LOCALE_JA != none \ + || { case "$host_os" in mingw*) true;; *) false;; esac; }; then + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ #include #include +/* Tru64 with Desktop Toolkit C has a bug: must be included before + . + BSD/OS 4.0.1 has a bug: , and must be + included before . */ +#include +#include +#include #include int main () { + int result = 0; + int found_some_locale = 0; /* This fails on Solaris. */ if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL) { @@ -275,8 +400,9 @@ int main () { input[1] = '\0'; if (mbrtowc (&wc, input + 2, 5, &state) != 1) - return 1; + result |= 1; } + found_some_locale = 1; } /* This fails on HP-UX 11.11. */ if (setlocale (LC_ALL, "$LOCALE_JA") != NULL) @@ -290,13 +416,63 @@ int main () { input[1] = '\0'; if (mbrtowc (&wc, input + 2, 5, &state) != 2) - return 1; + result |= 2; } + found_some_locale = 1; } - return 0; -}], + /* This fails on native Windows. */ + if (setlocale (LC_ALL, "Japanese_Japan.932") != NULL) + { + char input[] = "<\223\372\226\173\214\352>"; /* "<日本語>" */ + mbstate_t state; + wchar_t wc; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrtowc (&wc, input + 3, 1, &state) == (size_t)(-2)) + { + input[3] = '\0'; + if (mbrtowc (&wc, input + 4, 4, &state) != 1) + result |= 4; + } + found_some_locale = 1; + } + if (setlocale (LC_ALL, "Chinese_Taiwan.950") != NULL) + { + char input[] = "<\244\351\245\273\273\171>"; /* "<日本語>" */ + mbstate_t state; + wchar_t wc; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrtowc (&wc, input + 3, 1, &state) == (size_t)(-2)) + { + input[3] = '\0'; + if (mbrtowc (&wc, input + 4, 4, &state) != 1) + result |= 8; + } + found_some_locale = 1; + } + if (setlocale (LC_ALL, "Chinese_China.936") != NULL) + { + char input[] = "<\310\325\261\276\325\132>"; /* "<日本語>" */ + mbstate_t state; + wchar_t wc; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrtowc (&wc, input + 3, 1, &state) == (size_t)(-2)) + { + input[3] = '\0'; + if (mbrtowc (&wc, input + 4, 4, &state) != 1) + result |= 16; + } + found_some_locale = 1; + } + return (found_some_locale ? result : 77); +}]])], [gl_cv_func_mbrtowc_retval=yes], - [gl_cv_func_mbrtowc_retval=no], + [if test $? != 77; then + gl_cv_func_mbrtowc_retval=no + fi + ], [:]) fi ]) @@ -324,9 +500,17 @@ changequote(,)dnl esac changequote([,])dnl if test $LOCALE_ZH_CN != none; then - AC_TRY_RUN([ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ #include #include +/* Tru64 with Desktop Toolkit C has a bug: must be included before + . + BSD/OS 4.0.1 has a bug: , and must be + included before . */ +#include +#include +#include #include int main () { @@ -341,7 +525,7 @@ int main () return 1; } return 0; -}], +}]])], [gl_cv_func_mbrtowc_nul_retval=yes], [gl_cv_func_mbrtowc_nul_retval=no], [:]) @@ -357,10 +541,8 @@ AC_DEFUN([gl_PREREQ_MBRTOWC], [ dnl From Paul Eggert -dnl This override of an autoconf macro can be removed when autoconf 2.60 or -dnl newer can be assumed everywhere. +dnl This is an override of an autoconf macro. -m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]),[2.60]),[-1],[ AC_DEFUN([AC_FUNC_MBRTOWC], [ dnl Same as AC_FUNC_MBRTOWC in autoconf-2.60. @@ -368,7 +550,14 @@ AC_DEFUN([AC_FUNC_MBRTOWC], gl_cv_func_mbrtowc, [AC_LINK_IFELSE( [AC_LANG_PROGRAM( - [[#include ]], + [[/* Tru64 with Desktop Toolkit C has a bug: must be + included before . + BSD/OS 4.0.1 has a bug: , and + must be included before . */ + #include + #include + #include + #include ]], [[wchar_t wc; char const s[] = ""; size_t n = 1; @@ -381,4 +570,3 @@ AC_DEFUN([AC_FUNC_MBRTOWC], [Define to 1 if mbrtowc and mbstate_t are properly declared.]) fi ]) -])