Fix #527: source directory is not writable

https://github.com/BestImageViewer/geeqie/issues/527

The case of a file being in the root ( / ) folder not taken into account

diff --git a/src/ui_fileops.c b/src/ui_fileops.c
index 99a8216..ad015b2 100644 (file)
--- a/src/ui_fileops.c
+++ b/src/ui_fileops.c
@@ -744,7 +744,9 @@ gchar *remove_level_from_path(const gchar *path)
        if (!path) return NULL;
 
        base = strrchr(path, G_DIR_SEPARATOR);
-       if (base) return g_strndup(path, strlen(path)-strlen(base));
+       /* Take account of a file being in the root ( / ) folder - ensure the returned value
+        * is at least one character long */
+       if (base) return g_strndup(path, (strlen(path)-strlen(base)) == 0 ? 1 : (strlen(path)-strlen(base)));
 
        return NULL;
 }