From e1908ae95dd4c9d19ee4dfabfc8bf8a7f85943fe Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 18:58:41 +0200 Subject: Adding upstream version 9.4. Signed-off-by: Daniel Baumann --- lib/fdopen.c | 73 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 lib/fdopen.c (limited to 'lib/fdopen.c') diff --git a/lib/fdopen.c b/lib/fdopen.c new file mode 100644 index 0000000..6cd6470 --- /dev/null +++ b/lib/fdopen.c @@ -0,0 +1,73 @@ +/* Open a stream with a given file descriptor. + Copyright (C) 2011-2023 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 . */ + +#include + +/* Specification. */ +#include + +#include + +#if HAVE_MSVC_INVALID_PARAMETER_HANDLER +# include "msvc-inval.h" +#endif + +#undef fdopen + +#if defined _WIN32 && !defined __CYGWIN__ +# if HAVE_MSVC_INVALID_PARAMETER_HANDLER +static FILE * +fdopen_nothrow (int fd, const char *mode) +{ + FILE *result; + + TRY_MSVC_INVAL + { + result = _fdopen (fd, mode); + } + CATCH_MSVC_INVAL + { + result = NULL; + } + DONE_MSVC_INVAL; + + return result; +} +# else +# define fdopen_nothrow _fdopen +# endif +#else +# define fdopen_nothrow fdopen +#endif + +FILE * +rpl_fdopen (int fd, const char *mode) +{ + int saved_errno = errno; + FILE *fp; + + errno = 0; + fp = fdopen_nothrow (fd, mode); + if (fp == NULL) + { + if (errno == 0) + errno = EBADF; + } + else + errno = saved_errno; + + return fp; +} -- cgit v1.2.3