From bdba94298d203da9db37310734b08427f95d9bd8 Mon Sep 17 00:00:00 2001
From: Stefan Gehn <stefan@srcbox.net>
Date: Fri, 1 Feb 2008 19:29:13 +0000
Subject: [PATCH] - Add warning message for failed rename call when saving
 config - Fix config saving on win32 (unlink old config before renaming the
 temporary/new one)

---
 src/config.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/config.c b/src/config.c
index eaee285..8db0606 100644
--- a/src/config.c
+++ b/src/config.c
@@ -2501,7 +2501,18 @@ gkrellm_save_user_config(void)
 		fclose(ff);
 		}
 	fclose(f);
-	rename(config_new, config);
+#if defined(WIN32)
+	/* windows rename() does not allow overwriting existing files! */
+	unlink(config);
+#endif
+	i = rename(config_new, config);
+	if (i != 0)
+		{
+		printf(_("Cannot rename new config file %s to %s.\n"), config_new, config);
+		g_free(config);
+		g_free(config_new);
+		return;
+		}
 
 #if defined (S_IRUSR)
 	mode = (S_IRUSR | S_IWUSR);