Imported Upstream version 8.17upstream/8.17

1 files changed, 43 insertions, 0 deletions

diff --git a/lib/remove.c b/lib/remove.c
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index 00000000..6ce5a872
--- /dev/null
+++ b/lib/remove.c
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+/* Remove a file or directory.
+   Copyright (C) 2009-2012 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 <http://www.gnu.org/licenses/>.  */
+
+/* written by Eric Blake */
+
+#include <config.h>
+
+#include <stdio.h>
+
+#include <errno.h>
+#include <unistd.h>
+
+#undef remove
+
+/* Remove NAME from the file system.  This works around C89 platforms
+   that don't handle directories like POSIX requires; it also works
+   around Solaris 9 bugs with trailing slash.  */
+int
+rpl_remove (char const *name)
+{
+  /* It is faster to just try rmdir, and fall back on unlink, than it
+     is to use lstat to see what we are about to remove.  Technically,
+     it is more likely that we want unlink, not rmdir, but we cannot
+     guarantee the safety of unlink on directories.  Trailing slash
+     bugs are handled by our rmdir and unlink wrappers.  */
+  int result = rmdir (name);
+  if (result && errno == ENOTDIR)
+    result = unlink (name);
+  return result;
+}