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File scim-pinyin-0.5.91-save-in-temp.patch of Package scim-pinyin

diff -up scim-pinyin-0.5.91/src/scim_pinyin_imengine.cpp.orig scim-pinyin-0.5.91/src/scim_pinyin_imengine.cpp
--- scim-pinyin-0.5.91/src/scim_pinyin_imengine.cpp.orig	2007-11-09 16:51:49.000000000 +0800
+++ scim-pinyin-0.5.91/src/scim_pinyin_imengine.cpp	2007-11-09 16:52:06.000000000 +0800
@@ -656,6 +656,11 @@ PinyinFactory::refresh ()
 void
 PinyinFactory::save_user_library ()
 {
+    String tmp_user_pinyin_table = m_user_pinyin_table + ".tmp";
+    String tmp_user_phrase_lib = m_user_phrase_lib + ".tmp";
+    String tmp_user_pinyin_phrase_lib = m_user_pinyin_phrase_lib + ".tmp";
+    String tmp_user_pinyin_phrase_index = m_user_pinyin_phrase_index + ".tmp";
+
     // First make the user data directory.
     if (access (m_user_data_directory.c_str (), R_OK | W_OK) != 0) {
         mkdir (m_user_data_directory.c_str (), S_IRUSR | S_IWUSR | S_IXUSR);
@@ -670,11 +675,23 @@ PinyinFactory::save_user_library ()
         lib->optimize_phrase_frequencies ();
     }
 
-    m_pinyin_global.save_pinyin_table (m_user_pinyin_table.c_str (), m_user_data_binary);
-    m_pinyin_global.save_user_phrase_lib (m_user_phrase_lib.c_str (),
-                                          m_user_pinyin_phrase_lib.c_str (),
-                                          m_user_pinyin_phrase_index.c_str (),
+    // save user data in tmp files
+    m_pinyin_global.save_pinyin_table (tmp_user_pinyin_table.c_str (), m_user_data_binary);
+    m_pinyin_global.save_user_phrase_lib (tmp_user_phrase_lib.c_str (),
+                                          tmp_user_pinyin_phrase_lib.c_str (),
+                                          tmp_user_pinyin_phrase_index.c_str (),
                                           m_user_data_binary);
+
+   // unlink old user data files, and rename tmp files.
+   unlink (m_user_pinyin_table.c_str ());
+   rename (tmp_user_pinyin_table.c_str (), m_user_pinyin_table.c_str ());
+   
+   unlink (m_user_phrase_lib.c_str ());
+   unlink (m_user_pinyin_phrase_lib.c_str ());
+   unlink (m_user_pinyin_phrase_index.c_str ());
+   rename (tmp_user_phrase_lib.c_str (), m_user_phrase_lib.c_str ());
+   rename (tmp_user_pinyin_phrase_lib.c_str (), m_user_pinyin_phrase_lib.c_str ());
+   rename (tmp_user_pinyin_phrase_index.c_str (), m_user_pinyin_phrase_index.c_str ());
 }
 
 void