* modules/wcscoll: New file.
* lib/wchar.in.h (wcscoll): New declaration.
* lib/wcscoll.c: New file.
* lib/wcscoll-impl.h: New file.
* m4/wcscoll.m4: New file.
* m4/wchar_h.m4 (gl_WCHAR_H): Test whether wcscoll is declared.
(gl_WCHAR_H_DEFAULTS): Initialize GNULIB_WCSCOLL, HAVE_WCSCOLL.
* modules/wchar (Makefile.am): Substitute GNULIB_WCSCOLL, HAVE_WCSCOLL.
* tests/test-wchar-c++.cc: Test the declaration of wcscoll.
* doc/posix-functions/wcscoll.texi: Mention the new module.
+2011-02-06 Bruno Haible <bruno@clisp.org>
+
+ New module 'wcscoll'.
+ * modules/wcscoll: New file.
+ * lib/wchar.in.h (wcscoll): New declaration.
+ * lib/wcscoll.c: New file.
+ * lib/wcscoll-impl.h: New file.
+ * m4/wcscoll.m4: New file.
+ * m4/wchar_h.m4 (gl_WCHAR_H): Test whether wcscoll is declared.
+ (gl_WCHAR_H_DEFAULTS): Initialize GNULIB_WCSCOLL, HAVE_WCSCOLL.
+ * modules/wchar (Makefile.am): Substitute GNULIB_WCSCOLL, HAVE_WCSCOLL.
+ * tests/test-wchar-c++.cc: Test the declaration of wcscoll.
+ * doc/posix-functions/wcscoll.texi: Mention the new module.
+
2011-02-06 Bruno Haible <bruno@clisp.org>
New module 'wcsncasecmp'.
POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/wcscoll.html}
-Gnulib module: ---
+Gnulib module: wcscoll
Portability problems fixed by Gnulib:
@itemize
+@item
+This function is missing on some platforms:
+IRIX 5.3, Solaris 2.5.1.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@item
-This function is missing on some platforms:
-IRIX 5.3, Solaris 2.5.1.
-@item
On AIX and Windows platforms, @code{wchar_t} is a 16-bit type and therefore cannot
accommodate all Unicode characters.
@end itemize
#endif
+/* Compare S1 and S2, both interpreted as appropriate to the LC_COLLATE
+ category of the current locale. */
+#if @GNULIB_WCSCOLL@
+# if !@HAVE_WCSCOLL@
+_GL_FUNCDECL_SYS (wcscoll, int, (const wchar_t *s1, const wchar_t *s2));
+# endif
+_GL_CXXALIAS_SYS (wcscoll, int, (const wchar_t *s1, const wchar_t *s2));
+_GL_CXXALIASWARN (wcscoll);
+#elif defined GNULIB_POSIXCHECK
+# undef wcscoll
+# if HAVE_RAW_DECL_WCSCOLL
+_GL_WARN_ON_USE (wcscoll, "wcscoll is unportable - "
+ "use gnulib module wcscoll for portability");
+# endif
+#endif
+
+
#endif /* _GL_WCHAR_H */
#endif /* _GL_WCHAR_H */
#endif
--- /dev/null
+/* Compare two wide strings using the current locale.
+ Copyright (C) 2011 Free Software Foundation, Inc.
+ Written by Bruno Haible <bruno@clisp.org>, 2011.
+
+ 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 <http://www.gnu.org/licenses/>. */
+
+int
+wcscoll (const wchar_t *s1, const wchar_t *s2)
+{
+ char mbbuf1[1024];
+ char mbbuf2[1024];
+ char *mbs1;
+ char *mbs2;
+
+ {
+ int saved_errno = errno;
+
+ /* Convert s1 to a multibyte string, trying to avoid malloc(). */
+ {
+ size_t ret;
+
+ ret = wcstombs (mbbuf1, s1, sizeof (mbbuf1));
+ if (ret == (size_t)-1)
+ goto failed1;
+ if (ret < sizeof (mbbuf1))
+ mbs1 = mbbuf1;
+ else
+ {
+ size_t need = wcstombs (NULL, s1, 0);
+ if (need == (size_t)-1)
+ goto failed1;
+ mbs1 = (char *) malloc (need + 1);
+ if (mbs1 == NULL)
+ goto out_of_memory1;
+ ret = wcstombs (mbs1, s1, need + 1);
+ if (ret != need)
+ abort ();
+ }
+ }
+
+ /* Convert s2 to a multibyte string, trying to avoid malloc(). */
+ {
+ size_t ret;
+
+ ret = wcstombs (mbbuf2, s2, sizeof (mbbuf2));
+ if (ret == (size_t)-1)
+ goto failed2;
+ if (ret < sizeof (mbbuf2))
+ mbs2 = mbbuf2;
+ else
+ {
+ size_t need = wcstombs (NULL, s2, 0);
+ if (need == (size_t)-1)
+ goto failed2;
+ mbs2 = (char *) malloc (need + 1);
+ if (mbs2 == NULL)
+ goto out_of_memory2;
+ ret = wcstombs (mbs2, s2, need + 1);
+ if (ret != need)
+ abort ();
+ }
+ }
+
+ /* No error so far. */
+ errno = saved_errno;
+ }
+
+ /* Compare the two multibyte strings. */
+ {
+ int result = strcoll (mbs1, mbs2);
+
+ if (mbs1 != mbbuf1)
+ {
+ int saved_errno = errno;
+ free (mbs1);
+ errno = saved_errno;
+ }
+ if (mbs2 != mbbuf2)
+ {
+ int saved_errno = errno;
+ free (mbs2);
+ errno = saved_errno;
+ }
+ return result;
+ }
+
+ out_of_memory2:
+ if (mbs1 != mbbuf1)
+ free (mbs1);
+ out_of_memory1:
+ errno = ENOMEM;
+ return 0;
+
+ failed2:
+ if (mbs1 != mbbuf1)
+ free (mbs1);
+ failed1:
+ errno = EILSEQ;
+ return 0;
+}
--- /dev/null
+/* Compare two wide strings using the current locale.
+ Copyright (C) 2011 Free Software Foundation, Inc.
+ Written by Bruno Haible <bruno@clisp.org>, 2011.
+
+ 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 <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+/* Specification. */
+#include <wchar.h>
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "wcscoll-impl.h"
[btowc wctob mbsinit mbrtowc mbrlen mbsrtowcs mbsnrtowcs wcrtomb
wcsrtombs wcsnrtombs wcwidth wmemchr wmemcmp wmemcpy wmemmove wmemset
wcslen wcsnlen wcscpy wcpcpy wcsncpy wcpncpy wcscat wcsncat wcscmp
- wcsncmp wcscasecmp wcsncasecmp
+ wcsncmp wcscasecmp wcsncasecmp wcscoll
])
])
GNULIB_WCSNCMP=0; AC_SUBST([GNULIB_WCSNCMP])
GNULIB_WCSCASECMP=0; AC_SUBST([GNULIB_WCSCASECMP])
GNULIB_WCSNCASECMP=0; AC_SUBST([GNULIB_WCSNCASECMP])
+ GNULIB_WCSCOLL=0; AC_SUBST([GNULIB_WCSCOLL])
dnl Assume proper GNU behavior unless another module says otherwise.
HAVE_BTOWC=1; AC_SUBST([HAVE_BTOWC])
HAVE_MBSINIT=1; AC_SUBST([HAVE_MBSINIT])
HAVE_WCSNCMP=1; AC_SUBST([HAVE_WCSNCMP])
HAVE_WCSCASECMP=1; AC_SUBST([HAVE_WCSCASECMP])
HAVE_WCSNCASECMP=1; AC_SUBST([HAVE_WCSNCASECMP])
+ HAVE_WCSCOLL=1; AC_SUBST([HAVE_WCSCOLL])
HAVE_DECL_WCTOB=1; AC_SUBST([HAVE_DECL_WCTOB])
HAVE_DECL_WCWIDTH=1; AC_SUBST([HAVE_DECL_WCWIDTH])
REPLACE_MBSTATE_T=0; AC_SUBST([REPLACE_MBSTATE_T])
--- /dev/null
+# wcscoll.m4 serial 1
+dnl Copyright (C) 2011 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_WCSCOLL],
+[
+ AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
+ AC_CHECK_FUNCS_ONCE([wcscoll])
+ if test $ac_cv_func_wcscoll = no; then
+ HAVE_WCSCOLL=0
+ AC_LIBOBJ([wcscoll])
+ fi
+])
-e 's|@''GNULIB_WCSNCMP''@|$(GNULIB_WCSNCMP)|g' \
-e 's|@''GNULIB_WCSCASECMP''@|$(GNULIB_WCSCASECMP)|g' \
-e 's|@''GNULIB_WCSNCASECMP''@|$(GNULIB_WCSNCASECMP)|g' \
+ -e 's|@''GNULIB_WCSCOLL''@|$(GNULIB_WCSCOLL)|g' \
-e 's|@''HAVE_WINT_T''@|$(HAVE_WINT_T)|g' \
-e 's|@''HAVE_BTOWC''@|$(HAVE_BTOWC)|g' \
-e 's|@''HAVE_MBSINIT''@|$(HAVE_MBSINIT)|g' \
-e 's|@''HAVE_WCSNCMP''@|$(HAVE_WCSNCMP)|g' \
-e 's|@''HAVE_WCSCASECMP''@|$(HAVE_WCSCASECMP)|g' \
-e 's|@''HAVE_WCSNCASECMP''@|$(HAVE_WCSNCASECMP)|g' \
+ -e 's|@''HAVE_WCSCOLL''@|$(HAVE_WCSCOLL)|g' \
-e 's|@''HAVE_DECL_WCTOB''@|$(HAVE_DECL_WCTOB)|g' \
-e 's|@''HAVE_DECL_WCWIDTH''@|$(HAVE_DECL_WCWIDTH)|g' \
-e 's|@''REPLACE_MBSTATE_T''@|$(REPLACE_MBSTATE_T)|g' \
--- /dev/null
+Description:
+wcscoll() function: compare two wide strings using the current locale.
+
+Status:
+obsolete
+
+Notice:
+This module is obsolete.
+
+Files:
+lib/wcscoll.c
+lib/wcscoll-impl.h
+m4/wcscoll.m4
+
+Depends-on:
+wchar
+
+configure.ac:
+gl_FUNC_WCSCOLL
+gl_WCHAR_MODULE_INDICATOR([wcscoll])
+
+Makefile.am:
+
+Include:
+<wchar.h>
+
+License:
+LGPL
+
+Maintainer:
+Bruno Haible
(const wchar_t *, const wchar_t *, size_t));
#endif
+#if GNULIB_TEST_WCSCOLL
+SIGNATURE_CHECK (GNULIB_NAMESPACE::wcscoll, int,
+ (const wchar_t *, const wchar_t *));
+#endif
+
int
main ()