1 files changed, 48 insertions, 0 deletions
diff --git a/ghc/runtime/io/renameDirectory.lc b/ghc/runtime/io/renameDirectory.lc
new file mode 100644
index 0000000000..2a41186bfe
--- /dev/null
+++ b/ghc/runtime/io/renameDirectory.lc
@@ -0,0 +1,48 @@
+%
+% (c) The GRASP/AQUA Project, Glasgow University, 1995
+%
+\subsection[renameDirectory.lc]{renameDirectory Runtime Support}
+
+\begin{code}
+
+#include "rtsdefs.h"
+#include "stgio.h"
+
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
+#ifdef HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+
+StgInt
+renameDirectory(opath, npath)
+StgByteArray opath;
+StgByteArray npath;
+{
+    struct stat sb;
+
+    /* Check for an actual directory */
+    while (stat(opath, &sb) != 0) {
+	if (errno != EINTR) {
+	    cvtErrno();
+	    stdErrno();
+	    return -1;
+	}
+    }
+    if (!S_ISDIR(sb.st_mode)) {
+	ghc_errtype = ERR_INAPPROPRIATETYPE;
+	ghc_errstr = "not a directory";
+	return -1;
+    }
+    while(rename(opath, npath) != 0) {
+	if (errno != EINTR) {
+	    cvtErrno();
+	    stdErrno();
+	    return -1;
+	}
+    }
+    return 0;
+}
+\end{code}