From 26fbe7f1e68bb0c96da32491efcf3696fe6c299b Mon Sep 17 00:00:00 2001 From: Holger Weiss Date: Mon, 19 Aug 2013 23:27:12 +0200 Subject: Sync with the latest Gnulib code (6f2d632) --- gl/fd-safer.c | 49 ------------------------------------------------- 1 file changed, 49 deletions(-) delete mode 100644 gl/fd-safer.c (limited to 'gl/fd-safer.c') diff --git a/gl/fd-safer.c b/gl/fd-safer.c deleted file mode 100644 index c1c60005..00000000 --- a/gl/fd-safer.c +++ /dev/null @@ -1,49 +0,0 @@ -/* Return a safer copy of a file descriptor. - - Copyright (C) 2005-2006, 2009-2010 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 . */ - -/* Written by Paul Eggert. */ - -#include - -#include "unistd-safer.h" - -#include -#include - -/* Return FD, unless FD would be a copy of standard input, output, or - error; in that case, return a duplicate of FD, closing FD. On - failure to duplicate, close FD, set errno, and return -1. Preserve - errno if FD is negative, so that the caller can always inspect - errno when the returned value is negative. - - This function is usefully wrapped around functions that return file - descriptors, e.g., fd_safer (open ("file", O_RDONLY)). */ - -int -fd_safer (int fd) -{ - if (STDIN_FILENO <= fd && fd <= STDERR_FILENO) - { - int f = dup_safer (fd); - int e = errno; - close (fd); - errno = e; - fd = f; - } - - return fd; -} -- cgit v1.2.3-74-g34f1