1 files changed, 135 insertions, 0 deletions
diff --git a/chinese/mutt/files/patch-mbyte.c b/chinese/mutt/files/patch-mbyte.c
new file mode 100644
index 000000000000..d9698b86a7f9
--- /dev/null
+++ b/chinese/mutt/files/patch-mbyte.c
@@ -0,0 +1,135 @@
+--- mbyte.c.orig	2016-10-09 03:35:50.000000000 +0800
++++ mbyte.c	2016-12-02 11:18:42.600658000 +0800
+@@ -24,6 +24,9 @@
+ # include "config.h"
+ #endif
+ 
++/*
++ * Trad. Chinese (Big5) support by yjchou@linux.cis.nctu.edu.tw
++ */
+ #include "mutt.h"
+ #include "mbyte.h"
+ #include "charset.h"
+@@ -39,6 +42,7 @@
+ int Charset_is_utf8 = 0;
+ #ifndef HAVE_WC_FUNCS
+ static int charset_is_ja = 0;
++static int charset_is_big5 = 0;
+ static iconv_t charset_to_utf8 = (iconv_t)(-1);
+ static iconv_t charset_from_utf8 = (iconv_t)(-1);
+ #endif
+@@ -52,6 +56,7 @@ void mutt_set_charset (char *charset)
+   Charset_is_utf8 = 0;
+ #ifndef HAVE_WC_FUNCS
+   charset_is_ja = 0;
++  charset_is_big5 = 0;
+   if (charset_to_utf8 != (iconv_t)(-1))
+   {
+     iconv_close (charset_to_utf8);
+@@ -82,6 +87,14 @@ void mutt_set_charset (char *charset)
+     charset_from_utf8 = mutt_iconv_open (charset, "utf-8", 0);
+   }
+ #endif
++#ifndef HAVE_WC_FUNCS
++  else if (!strcmp(buffer, "big5"))
++  {
++    charset_is_big5 = 1;
++    charset_to_utf8 = iconv_open ("UTF-8", charset);
++    charset_from_utf8 = iconv_open (charset, "UTF-8");
++  }
++#endif
+ 
+ #if defined(HAVE_BIND_TEXTDOMAIN_CODESET) && defined(ENABLE_NLS)
+   bind_textdomain_codeset(PACKAGE, buffer);
+@@ -256,7 +269,7 @@ size_t mbrtowc (wchar_t *pwc, const char
+ 
+ int iswprint (wint_t wc)
+ {
+-  if (Charset_is_utf8 || charset_is_ja)
++  if (Charset_is_utf8 || charset_is_ja || charset_is_big5)
+     return ((0x20 <= wc && wc < 0x7f) || 0xa0 <= wc);
+   else
+     return (0 <= wc && wc < 256) ? IsPrint (wc) : 0;
+@@ -264,7 +277,7 @@ int iswprint (wint_t wc)
+ 
+ int iswspace (wint_t wc)
+ {
+-  if (Charset_is_utf8 || charset_is_ja)
++  if (Charset_is_utf8 || charset_is_ja || charset_is_big5)
+     return (9 <= wc && wc <= 13) || wc == 32;
+   else
+     return (0 <= wc && wc < 256) ? isspace (wc) : 0;
+@@ -347,7 +360,7 @@ static int iswalpha_ucs (wint_t wc)
+ 
+ wint_t towupper (wint_t wc)
+ {
+-  if (Charset_is_utf8 || charset_is_ja)
++  if (Charset_is_utf8 || charset_is_ja || charset_is_big5)
+     return towupper_ucs (wc);
+   else
+     return (0 <= wc && wc < 256) ? toupper (wc) : wc;
+@@ -355,7 +368,7 @@ wint_t towupper (wint_t wc)
+ 
+ wint_t towlower (wint_t wc)
+ {
+-  if (Charset_is_utf8 || charset_is_ja)
++  if (Charset_is_utf8 || charset_is_ja || charset_is_big5)
+     return towlower_ucs (wc);
+   else
+     return (0 <= wc && wc < 256) ? tolower (wc) : wc;
+@@ -363,7 +376,7 @@ wint_t towlower (wint_t wc)
+ 
+ int iswalnum (wint_t wc)
+ {
+-  if (Charset_is_utf8 || charset_is_ja)
++  if (Charset_is_utf8 || charset_is_ja || charset_is_big5)
+     return iswalnum_ucs (wc);
+   else
+     return (0 <= wc && wc < 256) ? isalnum (wc) : 0;
+@@ -404,13 +417,31 @@ int wcwidth_ja (wchar_t ucs)
+     return -1;
+ }
+ 
++int wcwidth_big5(wchar_t ucs)
++{
++  return wcwidth_ja (ucs);
++}
++
+ int wcwidth_ucs(wchar_t ucs);
+ 
+ int wcwidth (wchar_t wc)
+ {
+   if (!Charset_is_utf8)
+   {
+-    if (!charset_is_ja)
++    if (charset_is_ja)
++    {
++      /* Japanese */
++      int k = wcwidth_ja (wc);
++      if (k != -1)
++	return k;
++    }
++    else if (charset_is_big5)
++    {
++      int k = wcwidth_big5 (wc);
++      if (k != -1)
++        return k;
++    }
++    else
+     {
+       /* 8-bit case */
+       if (!wc)
+@@ -420,13 +451,6 @@ int wcwidth (wchar_t wc)
+       else
+ 	return -1;
+     }
+-    else
+-    {
+-      /* Japanese */
+-      int k = wcwidth_ja (wc);
+-      if (k != -1)
+-	return k;
+-    }
+   }
+   return wcwidth_ucs (wc);
+ }