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-rw-r--r--lib/gl/wchar.in.h121
1 files changed, 65 insertions, 56 deletions
diff --git a/lib/gl/wchar.in.h b/lib/gl/wchar.in.h
index 9f5b963823..c492dd60ef 100644
--- a/lib/gl/wchar.in.h
+++ b/lib/gl/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 Lesser General Public License as published by
@@ -30,9 +30,9 @@
@PRAGMA_SYSTEM_HEADER@
#endif
-#if defined __need_mbstate_t || (defined __hpux && ((defined _INTTYPES_INCLUDED && !defined strtoimax) || defined _GL_JUST_INCLUDE_SYSTEM_WCHAR_H)) || defined _GL_ALREADY_INCLUDING_WCHAR_H
+#if defined __need_mbstate_t || defined __need_wint_t || (defined __hpux && ((defined _INTTYPES_INCLUDED && !defined strtoimax) || defined _GL_JUST_INCLUDE_SYSTEM_WCHAR_H)) || defined _GL_ALREADY_INCLUDING_WCHAR_H
/* Special invocation convention:
- - Inside uClibc header files.
+ - Inside glibc and uClibc header files.
- On HP-UX 11.00 we have a sequence of nested includes
<wchar.h> -> <stdlib.h> -> <stdint.h>, and the latter includes <wchar.h>,
once indirectly <stdint.h> -> <sys/types.h> -> <inttypes.h> -> <wchar.h>
@@ -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. */
@@ -72,7 +75,9 @@
#ifndef _GL_WCHAR_H
#define _GL_WCHAR_H
-/* The definition of GL_LINK_WARNING is copied here. */
+/* The definition of _GL_ARG_NONNULL is copied here. */
+
+/* The definition of _GL_WARN_ON_USE is copied here. */
#ifdef __cplusplus
extern "C" {
@@ -110,10 +115,10 @@ extern wint_t btowc (int c);
# endif
#elif defined GNULIB_POSIXCHECK
# undef btowc
-# define btowc(c) \
- (GL_LINK_WARNING ("btowc is unportable - " \
- "use gnulib module btowc for portability"), \
- btowc (c))
+# if HAVE_RAW_DECL_BTOWC
+_GL_WARN_ON_USE (btowc, "btowc is unportable - "
+ "use gnulib module btowc for portability");
+# endif
#endif
@@ -129,10 +134,10 @@ extern int wctob (wint_t wc);
# endif
#elif defined GNULIB_POSIXCHECK
# undef wctob
-# define wctob(w) \
- (GL_LINK_WARNING ("wctob is unportable - " \
- "use gnulib module wctob for portability"), \
- wctob (w))
+# if HAVE_RAW_DECL_WCTOB
+_GL_WARN_ON_USE (wctob, "wctob is unportable - "
+ "use gnulib module wctob for portability");
+# endif
#endif
@@ -147,10 +152,10 @@ extern int mbsinit (const mbstate_t *ps);
# endif
#elif defined GNULIB_POSIXCHECK
# undef mbsinit
-# define mbsinit(p) \
- (GL_LINK_WARNING ("mbsinit is unportable - " \
- "use gnulib module mbsinit for portability"), \
- mbsinit (p))
+# if HAVE_RAW_DECL_MBSINIT
+_GL_WARN_ON_USE (mbsinit, "mbsinit is unportable - "
+ "use gnulib module mbsinit for portability");
+# endif
#endif
@@ -165,10 +170,10 @@ extern size_t mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps);
# endif
#elif defined GNULIB_POSIXCHECK
# undef mbrtowc
-# define mbrtowc(w,s,n,p) \
- (GL_LINK_WARNING ("mbrtowc is unportable - " \
- "use gnulib module mbrtowc for portability"), \
- mbrtowc (w, s, n, p))
+# if HAVE_RAW_DECL_MBRTOWC
+_GL_WARN_ON_USE (mbrtowc, "mbrtowc is unportable - "
+ "use gnulib module mbrtowc for portability");
+# endif
#endif
@@ -183,10 +188,10 @@ extern size_t mbrlen (const char *s, size_t n, mbstate_t *ps);
# endif
#elif defined GNULIB_POSIXCHECK
# undef mbrlen
-# define mbrlen(s,n,p) \
- (GL_LINK_WARNING ("mbrlen is unportable - " \
- "use gnulib module mbrlen for portability"), \
- mbrlen (s, n, p))
+# if HAVE_RAW_DECL_MBRLEN
+_GL_WARN_ON_USE (mbrlen, "mbrlen is unportable - "
+ "use gnulib module mbrlen for portability");
+# endif
#endif
@@ -197,14 +202,15 @@ 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
-# define mbsrtowcs(d,s,l,p) \
- (GL_LINK_WARNING ("mbsrtowcs is unportable - " \
- "use gnulib module mbsrtowcs for portability"), \
- mbsrtowcs (d, s, l, p))
+# if HAVE_RAW_DECL_MBSRTOWCS
+_GL_WARN_ON_USE (mbsrtowcs, "mbsrtowcs is unportable - "
+ "use gnulib module mbsrtowcs for portability");
+# endif
#endif
@@ -215,14 +221,15 @@ 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
-# define mbsnrtowcs(d,s,n,l,p) \
- (GL_LINK_WARNING ("mbsnrtowcs is unportable - " \
- "use gnulib module mbsnrtowcs for portability"), \
- mbsnrtowcs (d, s, n, l, p))
+# if HAVE_RAW_DECL_MBSNRTOWCS
+_GL_WARN_ON_USE (mbsnrtowcs, "mbsnrtowcs is unportable - "
+ "use gnulib module mbsnrtowcs for portability");
+# endif
#endif
@@ -237,10 +244,10 @@ extern size_t wcrtomb (char *s, wchar_t wc, mbstate_t *ps);
# endif
#elif defined GNULIB_POSIXCHECK
# undef wcrtomb
-# define wcrtomb(s,w,p) \
- (GL_LINK_WARNING ("wcrtomb is unportable - " \
- "use gnulib module wcrtomb for portability"), \
- wcrtomb (s, w, p))
+# if HAVE_RAW_DECL_WCRTOMB
+_GL_WARN_ON_USE (wcrtomb, "wcrtomb is unportable - "
+ "use gnulib module wcrtomb for portability");
+# endif
#endif
@@ -251,14 +258,15 @@ 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
-# define wcsrtombs(d,s,l,p) \
- (GL_LINK_WARNING ("wcsrtombs is unportable - " \
- "use gnulib module wcsrtombs for portability"), \
- wcsrtombs (d, s, l, p))
+# if HAVE_RAW_DECL_WCSRTOMBS
+_GL_WARN_ON_USE (wcsrtombs, "wcsrtombs is unportable - "
+ "use gnulib module wcsrtombs for portability");
+# endif
#endif
@@ -269,14 +277,15 @@ extern size_t wcsrtombs (char *dest, const wchar_t **srcp, size_t len, mbstate_t
# 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);
+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
-# define wcsnrtombs(d,s,n,l,p) \
- (GL_LINK_WARNING ("wcsnrtombs is unportable - " \
- "use gnulib module wcsnrtombs for portability"), \
- wcsnrtombs (d, s, n, l, p))
+# if HAVE_RAW_DECL_WCSNRTOMBS
+_GL_WARN_ON_USE (wcsnrtombs, "wcsnrtombs is unportable - "
+ "use gnulib module wcsnrtombs for portability");
+# endif
#endif
@@ -294,10 +303,10 @@ extern int wcwidth (int /* actually wchar_t */);
# endif
#elif defined GNULIB_POSIXCHECK
# undef wcwidth
-# define wcwidth(w) \
- (GL_LINK_WARNING ("wcwidth is unportable - " \
- "use gnulib module wcwidth for portability"), \
- wcwidth (w))
+# if HAVE_RAW_DECL_WCWIDTH
+_GL_WARN_ON_USE (wcwidth, "wcwidth is unportable - "
+ "use gnulib module wcwidth for portability");
+# endif
#endif