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-rw-r--r--libiberty/rename.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/libiberty/rename.c b/libiberty/rename.c
new file mode 100644
index 00000000000..ae26e2d0040
--- /dev/null
+++ b/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);
+}