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diff lib/wchar.in.h @ 14279:2a7d15223d39

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New module 'wmemmove'. * modules/wmemmove: New file. * lib/wchar.in.h (wmemmove): New declaration. * lib/wmemmove.c: New file. * lib/wmemmove-impl.h: New file, from libutf8 with modifications. * m4/wmemmove.m4: New file. * m4/wchar_h.m4 (gl_WCHAR_H): Test whether wmemmove is declared. (gl_WCHAR_H_DEFAULTS): Initialize GNULIB_WMEMMOVE, HAVE_WMEMMOVE. * modules/wchar (Makefile.am): Substitute GNULIB_WMEMMOVE, HAVE_WMEMMOVE. * tests/test-wchar-c++.cc: Test the declaration of wmemmove. * doc/posix-functions/wmemmove.texi: Mention the new module.
author Bruno Haible <bruno@clisp.org>
date Sat, 05 Feb 2011 13:07:51 +0100 (2011-02-05)
parents fe5382375992
children ac540ec36bef
line wrap: on
line diff
--- a/lib/wchar.in.h
+++ b/lib/wchar.in.h
@@ -482,6 +482,25 @@
 #endif
 
 
+/* Copy N wide characters of SRC to DEST, guaranteeing correct behavior for
+   overlapping memory areas.  */
+#if @GNULIB_WMEMMOVE@
+# if !@HAVE_WMEMMOVE@
+_GL_FUNCDECL_SYS (wmemmove, wchar_t *,
+                  (wchar_t *dest, const wchar_t *src, size_t n));
+# endif
+_GL_CXXALIAS_SYS (wmemmove, wchar_t *,
+                  (wchar_t *dest, const wchar_t *src, size_t n));
+_GL_CXXALIASWARN (wmemmove);
+#elif defined GNULIB_POSIXCHECK
+# undef wmemmove
+# if HAVE_RAW_DECL_WMEMMOVE
+_GL_WARN_ON_USE (wmemmove, "wmemmove is unportable - "
+                 "use gnulib module wmemmove for portability");
+# endif
+#endif
+
+
 #endif /* _GL_WCHAR_H */
 #endif /* _GL_WCHAR_H */
 #endif