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authorThomas White <taw@physics.org>2014-08-19 15:06:27 +0200
committerThomas White <taw@physics.org>2014-08-19 15:06:27 +0200
commit2e2856a6da556d1b038d7a6f7e5e677732ed3eb5 (patch)
treef6d1608808c887d78c4fb15eaa1b505a2f27fe9a /lib/msvc-nothrow.h
parent9e326c9d76beb1364b5f71eefae83bc859295c83 (diff)
Add missing Gnulib files
Diffstat (limited to 'lib/msvc-nothrow.h')
-rw-r--r--lib/msvc-nothrow.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/lib/msvc-nothrow.h b/lib/msvc-nothrow.h
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+/* Wrappers that don't throw invalid parameter notifications
+ with MSVC runtime libraries.
+ Copyright (C) 2011-2014 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
+ the Free Software Foundation; either version 3, 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/>. */
+
+#ifndef _MSVC_NOTHROW_H
+#define _MSVC_NOTHROW_H
+
+/* With MSVC runtime libraries with the "invalid parameter handler" concept,
+ functions like fprintf(), dup2(), or close() crash when the caller passes
+ an invalid argument. But POSIX wants error codes (such as EINVAL or EBADF)
+ instead.
+ This file defines wrappers that turn such an invalid parameter notification
+ into an error code. */
+
+#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+
+/* Get original declaration of _get_osfhandle. */
+# include <io.h>
+
+# if HAVE_MSVC_INVALID_PARAMETER_HANDLER
+
+/* Override _get_osfhandle. */
+extern intptr_t _gl_nothrow_get_osfhandle (int fd);
+# define _get_osfhandle _gl_nothrow_get_osfhandle
+
+# endif
+
+#endif
+
+#endif /* _MSVC_NOTHROW_H */