From: Bruno Haible Date: Sun, 5 Jan 2020 11:23:00 +0000 (+0100) Subject: mbstoc32s: New module. X-Git-Tag: v1.0~4367 X-Git-Url: https://gitweb.git.savannah.gnu.org/gitweb/?a=commitdiff_plain;h=8208c314448c4a26beda29b9666a5626521b7312;p=gnulib.git mbstoc32s: New module. * lib/uchar.in.h (mbstoc32s): New declaration. * lib/mbstoc32s.c: New file. * m4/uchar.m4 (gl_UCHAR_H_DEFAULTS): Initialize GNULIB_MBSTOC32S. * modules/uchar (Makefile.am): Substitute GNULIB_MBSTOC32S. * modules/mbstoc32s: New file. * tests/test-uchar-c++.cc: Test the signature of mbstoc32s. * doc/posix-functions/mbstowcs.texi: Mention the new module. --- diff --git a/ChangeLog b/ChangeLog index 1a1d8b915c..f2d507b1b9 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,14 @@ +2020-01-05 Bruno Haible + + mbstoc32s: New module. + * lib/uchar.in.h (mbstoc32s): New declaration. + * lib/mbstoc32s.c: New file. + * m4/uchar.m4 (gl_UCHAR_H_DEFAULTS): Initialize GNULIB_MBSTOC32S. + * modules/uchar (Makefile.am): Substitute GNULIB_MBSTOC32S. + * modules/mbstoc32s: New file. + * tests/test-uchar-c++.cc: Test the signature of mbstoc32s. + * doc/posix-functions/mbstowcs.texi: Mention the new module. + 2020-01-05 Bruno Haible Tweak recently added tests. diff --git a/doc/posix-functions/mbstowcs.texi b/doc/posix-functions/mbstowcs.texi index af6ea731f6..5d7dc4ca62 100644 --- a/doc/posix-functions/mbstowcs.texi +++ b/doc/posix-functions/mbstowcs.texi @@ -13,6 +13,9 @@ Portability problems fixed by Gnulib: Portability problems not fixed by Gnulib: @itemize @item -On Windows and 32-bit AIX platforms, @code{wchar_t} is a 16-bit type and therefore cannot -accommodate all Unicode characters. +On Windows and 32-bit AIX platforms, @code{wchar_t} is a 16-bit type and +therefore cannot accommodate all Unicode characters. +However, the Gnulib function @code{mbstoc32s}, provided by Gnulib module +@code{mbstoc32s}, operates on 32-bit wide characters and therefore does not +have this limitation. @end itemize diff --git a/lib/mbstoc32s.c b/lib/mbstoc32s.c new file mode 100644 index 0000000000..ede2786628 --- /dev/null +++ b/lib/mbstoc32s.c @@ -0,0 +1,33 @@ +/* Convert string to 32-bit wide string. + Copyright (C) 2020 Free Software Foundation, Inc. + Written by Bruno Haible , 2020. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +#include + +/* Specification. */ +#include + +#include +#include + +size_t +mbstoc32s (char32_t *dest, const char *src, size_t len) +{ + mbstate_t state; + + memset (&state, '\0', sizeof (mbstate_t)); + return mbsrtoc32s (dest, &src, len, &state); +} diff --git a/lib/uchar.in.h b/lib/uchar.in.h index f31b18c50a..513fa8c0ba 100644 --- a/lib/uchar.in.h +++ b/lib/uchar.in.h @@ -132,4 +132,15 @@ _GL_CXXALIASWARN (mbsrtoc32s); #endif +/* Convert a string to a 32-bit wide string. */ +#if @GNULIB_MBSTOC32S@ +_GL_FUNCDECL_SYS (mbstoc32s, size_t, + (char32_t *dest, const char *src, size_t len) + _GL_ARG_NONNULL ((2))); +_GL_CXXALIAS_SYS (mbstoc32s, size_t, + (char32_t *dest, const char *src, size_t len)); +_GL_CXXALIASWARN (mbstoc32s); +#endif + + #endif /* _@GUARD_PREFIX@_UCHAR_H */ diff --git a/m4/uchar.m4 b/m4/uchar.m4 index 4e0f43a5e2..0b5c662953 100644 --- a/m4/uchar.m4 +++ b/m4/uchar.m4 @@ -1,4 +1,4 @@ -# uchar.m4 serial 7 +# uchar.m4 serial 8 dnl Copyright (C) 2019-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -52,6 +52,7 @@ AC_DEFUN([gl_UCHAR_H_DEFAULTS], GNULIB_MBRTOC32=0; AC_SUBST([GNULIB_MBRTOC32]) GNULIB_MBSNRTOC32S=0; AC_SUBST([GNULIB_MBSNRTOC32S]) GNULIB_MBSRTOC32S=0; AC_SUBST([GNULIB_MBSRTOC32S]) + GNULIB_MBSTOC32S=0; AC_SUBST([GNULIB_MBSTOC32S]) dnl Assume proper GNU behavior unless another module says otherwise. HAVE_MBRTOC32=1; AC_SUBST([HAVE_MBRTOC32]) REPLACE_MBRTOC32=0; AC_SUBST([REPLACE_MBRTOC32]) diff --git a/modules/mbstoc32s b/modules/mbstoc32s new file mode 100644 index 0000000000..e2b166294c --- /dev/null +++ b/modules/mbstoc32s @@ -0,0 +1,28 @@ +Description: +mbstoc32s() function: convert string to 32-bit wide string. + +Files: +lib/mbstoc32s.c + +Depends-on: +uchar +wchar +mbsrtoc32s + +configure.ac: +gl_UCHAR_MODULE_INDICATOR([mbstoc32s]) + +Makefile.am: +lib_SOURCES += mbstoc32s.c + +Include: + + +Link: +$(LIB_MBRTOWC) + +License: +LGPLv2+ + +Maintainer: +Bruno Haible diff --git a/modules/uchar b/modules/uchar index a50eb5af7d..29bc7ae3ea 100644 --- a/modules/uchar +++ b/modules/uchar @@ -33,6 +33,7 @@ uchar.h: uchar.in.h $(top_builddir)/config.status $(CXXDEFS_H) -e 's/@''GNULIB_MBRTOC32''@/$(GNULIB_MBRTOC32)/g' \ -e 's/@''GNULIB_MBSNRTOC32S''@/$(GNULIB_MBSNRTOC32S)/g' \ -e 's/@''GNULIB_MBSRTOC32S''@/$(GNULIB_MBSRTOC32S)/g' \ + -e 's/@''GNULIB_MBSTOC32S''@/$(GNULIB_MBSTOC32S)/g' \ -e 's|@''HAVE_MBRTOC32''@|$(HAVE_MBRTOC32)|g' \ -e 's|@''REPLACE_MBRTOC32''@|$(REPLACE_MBRTOC32)|g' \ -e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \ diff --git a/tests/test-uchar-c++.cc b/tests/test-uchar-c++.cc index a630eec0e6..3e71c89c82 100644 --- a/tests/test-uchar-c++.cc +++ b/tests/test-uchar-c++.cc @@ -48,6 +48,11 @@ SIGNATURE_CHECK (GNULIB_NAMESPACE::mbsrtoc32s, size_t, (char32_t *, const char **, size_t, mbstate_t *)); #endif +#if GNULIB_TEST_MBSTOC32S +SIGNATURE_CHECK (GNULIB_NAMESPACE::mbstoc32s, size_t, + (char32_t *, const char *, size_t)); +#endif + int main ()