1 files changed, 79 insertions, 0 deletions
diff --git a/externals/mysql/mysys/my_rename.c b/externals/mysql/mysys/my_rename.c
new file mode 100644
index 00000000000..39e6056a9e4
--- /dev/null
+++ b/externals/mysql/mysys/my_rename.c
@@ -0,0 +1,79 @@
+/* Copyright (C) 2000 MySQL AB
+
+   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; version 2 of the License.
+
+   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, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#include "mysys_priv.h"
+#include <my_dir.h>
+#include "mysys_err.h"
+#include "m_string.h"
+#undef my_rename
+
+	/* On unix rename deletes to file if it exists */
+
+int my_rename(const char *from, const char *to, myf MyFlags)
+{
+  int error = 0;
+  DBUG_ENTER("my_rename");
+  DBUG_PRINT("my",("from %s to %s MyFlags %d", from, to, MyFlags));
+
+#if defined(HAVE_FILE_VERSIONS)
+  {				/* Check that there isn't a old file */
+    int save_errno;
+    MY_STAT my_stat_result;
+    save_errno=my_errno;
+    if (my_stat(to,&my_stat_result,MYF(0)))
+    {
+      my_errno=EEXIST;
+      error= -1;
+      if (MyFlags & MY_FAE+MY_WME)
+	my_error(EE_LINK, MYF(ME_BELL+ME_WAITTANG),from,to,my_errno);
+      DBUG_RETURN(error);
+    }
+    my_errno=save_errno;
+  }
+#endif
+#if defined(HAVE_RENAME)
+#if defined(__WIN__) || defined(__NETWARE__)
+  /*
+    On windows we can't rename over an existing file:
+    Remove any conflicting files:
+  */
+  (void) my_delete(to, MYF(0));
+#endif
+  if (rename(from,to))
+#else
+  if (link(from, to) || unlink(from))
+#endif
+  {
+    my_errno=errno;
+    error = -1;
+    if (MyFlags & (MY_FAE+MY_WME))
+      my_error(EE_LINK, MYF(ME_BELL+ME_WAITTANG),from,to,my_errno);
+  }
+  else if (MyFlags & MY_SYNC_DIR)
+  {
+#ifdef NEED_EXPLICIT_SYNC_DIR
+    /* do only the needed amount of syncs: */
+    char dir_from[FN_REFLEN], dir_to[FN_REFLEN];
+    size_t dir_from_length, dir_to_length;
+    dirname_part(dir_from, from, &dir_from_length);
+    dirname_part(dir_to, to, &dir_to_length);
+    if (my_sync_dir(dir_from, MyFlags) ||
+        (strcmp(dir_from, dir_to) &&
+         my_sync_dir(dir_to, MyFlags)))
+      error= -1;
+#endif
+  }
+  DBUG_RETURN(error);
+} /* my_rename */