74 lines
1.6 KiB
C
74 lines
1.6 KiB
C
/* Open a stream with a given file descriptor.
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Copyright (C) 2011-2022 Free Software Foundation, Inc.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#include <config.h>
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/* Specification. */
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#include <stdio.h>
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#include <errno.h>
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#if HAVE_MSVC_INVALID_PARAMETER_HANDLER
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# include "msvc-inval.h"
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#endif
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#undef fdopen
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#if defined _WIN32 && !defined __CYGWIN__
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# if HAVE_MSVC_INVALID_PARAMETER_HANDLER
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static FILE *
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fdopen_nothrow (int fd, const char *mode)
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{
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FILE *result;
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TRY_MSVC_INVAL
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{
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result = _fdopen (fd, mode);
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}
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CATCH_MSVC_INVAL
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{
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result = NULL;
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}
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DONE_MSVC_INVAL;
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return result;
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}
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# else
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# define fdopen_nothrow _fdopen
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# endif
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#else
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# define fdopen_nothrow fdopen
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#endif
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FILE *
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rpl_fdopen (int fd, const char *mode)
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{
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int saved_errno = errno;
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FILE *fp;
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errno = 0;
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fp = fdopen_nothrow (fd, mode);
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if (fp == NULL)
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{
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if (errno == 0)
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errno = EBADF;
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}
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else
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errno = saved_errno;
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return fp;
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}
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