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[gnulib.git] / lib / wchar.in.h

diff --git a/lib/wchar.in.h b/lib/wchar.in.h
index 3c6cd7b..c0323fe 100644 (file)
--- a/lib/wchar.in.h
+++ b/lib/wchar.in.h
@@ -1,6 +1,6 @@
 /* A substitute for ISO C99 <wchar.h>, for platforms that have issues.
 
-   Copyright (C) 2007-2009 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    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
@@ -55,10 +55,13 @@
 /* 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>
+   included before <wchar.h>.
+   But avoid namespace pollution on glibc systems.  */
+#ifndef __GLIBC__
+# include <stddef.h>
+# include <stdio.h>
+# include <time.h>
+#endif
 
 /* Include the original <wchar.h> if it exists.
    Some builds of uClibc lack it.  */
@@ -74,6 +77,8 @@
 
 /* The definition of GL_LINK_WARNING is copied here.  */
 
+/* The definition of _GL_ARG_NONNULL is copied here.  */
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -197,7 +202,8 @@ extern size_t mbrlen (const char *s, size_t n, mbstate_t *ps);
 #  define mbsrtowcs rpl_mbsrtowcs
 # endif
 # if !@HAVE_MBSRTOWCS@ || @REPLACE_MBSRTOWCS@
-extern size_t mbsrtowcs (wchar_t *dest, const char **srcp, size_t len, mbstate_t *ps);
+extern size_t mbsrtowcs (wchar_t *dest, const char **srcp, size_t len, mbstate_t *ps)
+     _GL_ARG_NONNULL ((2));
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef mbsrtowcs
@@ -215,7 +221,8 @@ extern size_t mbsrtowcs (wchar_t *dest, const char **srcp, size_t len, mbstate_t
 #  define mbsnrtowcs rpl_mbsnrtowcs
 # endif
 # if !@HAVE_MBSNRTOWCS@ || @REPLACE_MBSNRTOWCS@
-extern size_t mbsnrtowcs (wchar_t *dest, const char **srcp, size_t srclen, size_t len, mbstate_t *ps);
+extern size_t mbsnrtowcs (wchar_t *dest, const char **srcp, size_t srclen, size_t len, mbstate_t *ps)
+     _GL_ARG_NONNULL ((2));
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef mbsnrtowcs
@@ -251,7 +258,8 @@ extern size_t wcrtomb (char *s, wchar_t wc, mbstate_t *ps);
 #  define wcsrtombs rpl_wcsrtombs
 # endif
 # if !@HAVE_WCSRTOMBS@ || @REPLACE_WCSRTOMBS@
-extern size_t wcsrtombs (char *dest, const wchar_t **srcp, size_t len, mbstate_t *ps);
+extern size_t wcsrtombs (char *dest, const wchar_t **srcp, size_t len, mbstate_t *ps)
+     _GL_ARG_NONNULL ((2));
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef wcsrtombs
@@ -264,8 +272,13 @@ extern size_t wcsrtombs (char *dest, const wchar_t **srcp, size_t len, mbstate_t
 
 /* Convert a wide string to a string.  */
 #if @GNULIB_WCSNRTOMBS@
-# if !@HAVE_WCSNRTOMBS@
-extern size_t wcsnrtombs (char *dest, const wchar_t **srcp, size_t srclen, size_t len, mbstate_t *ps);
+# if @REPLACE_WCSNRTOMBS@
+#  undef wcsnrtombs
+#  define wcsnrtombs rpl_wcsnrtombs
+# endif
+# if !@HAVE_WCSNRTOMBS@ || @REPLACE_WCSNRTOMBS@
+extern size_t wcsnrtombs (char *dest, const wchar_t **srcp, size_t srclen, size_t len, mbstate_t *ps)
+     _GL_ARG_NONNULL ((2));
 # endif
 #elif defined GNULIB_POSIXCHECK
 # undef wcsnrtombs