diff -dPNur libguess-0.2.0-d7/guess.c libguess-0.2.0-d7-new/guess.c

--- libguess-0.2.0-d7/guess.c	2006-12-05 17:59:32.000000000 +0100

+++ libguess-0.2.0-d7-new/guess.c	2007-06-26 19:56:59.000000000 +0200

@@ -44,7 +44,7 @@

 /* ORDER_** &highest, &second, ... &lowest */

 #define ORDER_JP &utf8, &sjis, &eucj

 #define ORDER_TW &utf8, &big5

-#define ORDER_CN &utf8, &gb2312, &gb18030

+#define ORDER_CN &utf8, &gb2312, &gb18030, &big5

 #define ORDER_KR &utf8, &euck, &johab

 /* workaround for that glib's g_convert can't convert

@@ -252,6 +252,8 @@

     guess_dfa gb2312 = DFA_INIT(guess_gb2312_st, guess_gb2312_ar);

     guess_dfa utf8 = DFA_INIT(guess_utf8_st, guess_utf8_ar);

     guess_dfa gb18030 = DFA_INIT(guess_gb18030_st, guess_gb18030_ar);

+    guess_dfa big5 = DFA_INIT(guess_big5_st, guess_big5_ar);

+

     guess_dfa *top = NULL;

     guess_dfa *order[] = { ORDER_CN, NULL };

@@ -287,22 +289,27 @@

         }

         if (DFA_ALIVE(gb2312)) {

-            if (!DFA_ALIVE(utf8) && !DFA_ALIVE(gb18030))

+            if (!DFA_ALIVE(utf8) && !DFA_ALIVE(gb18030) && !DFA_ALIVE(big5))

                 return "GB2312";

             DFA_NEXT(gb2312, c);

         }

         if (DFA_ALIVE(utf8)) {

-            if (!DFA_ALIVE(gb2312) && !DFA_ALIVE(gb18030))

+            if (!DFA_ALIVE(gb2312) && !DFA_ALIVE(gb18030) && !DFA_ALIVE(big5))

                 return "UTF-8";

             DFA_NEXT(utf8, c);

         }

         if (DFA_ALIVE(gb18030)) {

-            if (!DFA_ALIVE(utf8) && !DFA_ALIVE(gb2312))

+            if (!DFA_ALIVE(utf8) && !DFA_ALIVE(gb2312) && !DFA_ALIVE(big5))

                 return "GB18030";

             DFA_NEXT(gb18030, c);

         }

+        if (DFA_ALIVE(big5)) {

+            if (!DFA_ALIVE(utf8) && !DFA_ALIVE(gb2312) && !DFA_ALIVE(gb18030))

+                return "big5";

+            DFA_NEXT(big5, c);

+        }

-        if (!DFA_ALIVE(gb2312) && !DFA_ALIVE(utf8) && !DFA_ALIVE(gb18030)) {

+        if (!DFA_ALIVE(gb2312) && !DFA_ALIVE(utf8) && !DFA_ALIVE(gb18030) && !DFA_ALIVE(big5)) {

             /* we ran out the possibilities */

             return NULL;

         }

@@ -323,6 +330,8 @@

         return "UTF-8";

     if (top == &gb18030)

         return "GB18030";

+    if (top == &big5)

+        return "BIG5";

     return NULL;

 }