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-rw-r--r--c/src/lib/libc/unlink.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/c/src/lib/libc/unlink.c b/c/src/lib/libc/unlink.c
new file mode 100644
index 0000000000..d4a5520bcb
--- /dev/null
+++ b/c/src/lib/libc/unlink.c
@@ -0,0 +1,44 @@
+/*
+ * unlink() - POSIX 1003.1b - 5.5.1 - Remove an existing link
+ *
+ * COPYRIGHT (c) 1989-1998.
+ * On-Line Applications Research Corporation (OAR).
+ * Copyright assigned to U.S. Government, 1994.
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.OARcorp.com/rtems/license.html.
+ *
+ * $Id$
+ */
+
+#include <errno.h>
+
+#include "libio_.h"
+
+int unlink(
+ const char *path
+)
+{
+ rtems_filesystem_location_info_t loc;
+ int result;
+
+ /*
+ * Get the node to be unlinked.
+ */
+
+ result = rtems_filesystem_evaluate_path( path, 0, &loc, FALSE );
+ if ( result != 0 )
+ return -1;
+
+ if ( !loc.ops->node_type )
+ set_errno_and_return_minus_one( ENOTSUP );
+
+ if ( (*loc.ops->node_type)( &loc ) == RTEMS_FILESYSTEM_DIRECTORY )
+ set_errno_and_return_minus_one( EISDIR );
+
+ if ( !loc.ops->unlink )
+ set_errno_and_return_minus_one( ENOTSUP );
+
+ return (*loc.ops->unlink)( &loc );
+}