Import of GNU libg++ 2.7.1 port (prepared by Erik Theisen)

1 files changed, 22 insertions, 0 deletions

diff --git a/gnu/lib/libg++/libiberty/rename.c b/gnu/lib/libg++/libiberty/rename.c
new file mode 100644
index 00000000000..ae26e2d0040
--- /dev/null
+++ b/gnu/lib/libg++/libiberty/rename.c
@@ -0,0 +1,22 @@
+/* rename -- rename a file
+   This function is in the public domain. */
+
+/* Rename a file.  */
+
+#include <errno.h>
+
+int
+rename (zfrom, zto)
+     char *zfrom;
+     char *zto;
+{
+  if (link (zfrom, zto) < 0)
+    {
+      if (errno != EEXIST)
+	return -1;
+      if (unlink (zto) < 0
+	  || link (zfrom, zto) < 0)
+	return -1;
+    }
+  return unlink (zfrom);
+}