X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;ds=sidebyside;f=lib%2Fdup2.c;fp=lib%2Fdup2.c;h=0000000000000000000000000000000000000000;hb=22f1eb8bc17e5be72dd23d42d6aaa60196ac22e6;hp=09990823be4122fe4c42409e8fa670817ec59a6b;hpb=00fa13ff3f2d5b6e2a94c5e948c38616ff7ad37a;p=tar
diff --git a/lib/dup2.c b/lib/dup2.c
deleted file mode 100644
index 0999082..0000000
--- a/lib/dup2.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/* Duplicate an open file descriptor to a specified file descriptor.
-
- Copyright (C) 1999, 2004, 2005, 2006, 2007 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
-
-/* Specification. */
-#include
-
-#include
-#include
-
-#ifndef F_DUPFD
-static int
-dupfd (int fd, int desired_fd)
-{
- int duplicated_fd = dup (fd);
- if (duplicated_fd < 0 || duplicated_fd == desired_fd)
- return duplicated_fd;
- else
- {
- int r = dupfd (fd, desired_fd);
- int e = errno;
- close (duplicated_fd);
- errno = e;
- return r;
- }
-}
-#endif
-
-int
-dup2 (int fd, int desired_fd)
-{
- if (fd == desired_fd)
- return fd;
- close (desired_fd);
-#ifdef F_DUPFD
- return fcntl (fd, F_DUPFD, desired_fd);
-#else
- return dupfd (fd, desired_fd);
-#endif
-}