Mercurial > gnulib
view lib/fdopen.c @ 40179:6823a10c9418
Add script for determining the set of symbols to export from a library.
* build-aux/declared.sh: New file, from GNU libunistring.
* doc/lib-symbol-visibility.texi (Exported Symbols of Shared Libraries):
Mention it.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sun, 03 Feb 2019 21:44:16 +0100 |
parents | b06060465f09 |
children |
line wrap: on
line source
/* Open a stream with a given file descriptor. Copyright (C) 2011-2019 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 of the License, 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 <https://www.gnu.org/licenses/>. */ #include <config.h> /* Specification. */ #include <stdio.h> #include <errno.h> #if HAVE_MSVC_INVALID_PARAMETER_HANDLER # include "msvc-inval.h" #endif #undef fdopen #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 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; }