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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:04:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:04:52 +0000
commit5e03c718f4e7ff13cb6834eda737c269ebed02ad (patch)
treebfad3f5be123f000fdb03e26400050dece33d72f /lib/msvc-nothrow.h
parentInitial commit. (diff)
downloadwget-5e03c718f4e7ff13cb6834eda737c269ebed02ad.tar.xz
wget-5e03c718f4e7ff13cb6834eda737c269ebed02ad.zip
Adding upstream version 1.21.3.upstream/1.21.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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) 2011-2022 Free Software Foundation, Inc.
+
+ This file is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ This file 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 Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <https://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 __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 */