From 679f9db5a6d70784bd7ee3a1d947ab10f71623b6 Mon Sep 17 00:00:00 2001
From: Koichi Murase <myoga.murase@gmail.com>
Date: Tue, 4 Feb 2020 19:01:57 +0800
Subject: [PATCH] bash-5.0.11: check printf \uXXXX

---
 builtins/printf.def | 14 ++++++++------
 lib/sh/unicode.c    | 12 ++++++++----
 2 files changed, 16 insertions(+), 10 deletions(-)

diff --git a/builtins/printf.def b/builtins/printf.def
index bc6ef57..164d80c 100644
--- a/builtins/printf.def
+++ b/builtins/printf.def
@@ -414,7 +414,7 @@ printf_builtin (list)
 	  modstart = fmt;
 	  while (*fmt && strchr (LENMODS, *fmt))
 	    fmt++;
-	    
+
 	  if (*fmt == 0)
 	    {
 	      builtin_error (_("`%s': missing format character"), start);
@@ -814,7 +814,7 @@ printstr (fmt, string, len, fieldwidth, precision)
 
   return (ferror (stdout) ? -1 : 0);
 }
-  
+
 /* Convert STRING by expanding the escape sequences specified by the
    POSIX standard for printf's `%b' format string.  If SAWC is non-null,
    perform the processing appropriate for %b arguments.  In particular,
@@ -913,7 +913,7 @@ tescape (estart, cp, lenp, sawc)
 	  }
 	break;
 #endif
-	
+
       case '\\':	/* \\ -> \ */
 	*cp = c;
 	break;
@@ -996,7 +996,7 @@ bexpand (string, len, sawc, lenp)
 	*r++ = mbch[mbind];
 #else
       *r++ = c;
-#endif      
+#endif
     }
 
   *r = '\0';
@@ -1070,7 +1070,7 @@ vbprintf (format, va_alist)
   if  (strlen (vbuf) != vblen)
     internal_error  ("printf:vbprintf: vblen (%d) != strlen (vbuf) (%d)", vblen, (int)strlen (vbuf));
 #endif
-  
+
   return (blen);
 }
 
@@ -1198,7 +1198,7 @@ getuintmax ()
 
   errno = 0;
   ret = strtoumax (garglist->word->word, &ep, 0);
-  
+
   if (*ep)
     {
       sh_invalidnum (garglist->word->word);
@@ -1262,12 +1262,14 @@ asciicode ()
   slen = strlen (garglist->word->word+1);
   wc = 0;
   mblength = mbtowc (&wc, garglist->word->word+1, slen);
+//printf("MBLENGTH=%d;wc=%d\n",(int)mblength,(int)wc);
   if (mblength > 0)
     ch = wc;		/* XXX */
   else
 #endif
     ch = (unsigned char)garglist->word->word[1];
 
+//if(mblength==-1)printf("MBLENGTH=%d;wc=%d;ch=%d\n",(int)mblength,(int)wc,(int)ch);
   garglist = garglist->next;
   return (ch);
 }
diff --git a/lib/sh/unicode.c b/lib/sh/unicode.c
index fe13c4a..79f8aeb 100644
--- a/lib/sh/unicode.c
+++ b/lib/sh/unicode.c
@@ -132,7 +132,7 @@ u32tochar (x, s)
       s[3] = x & 0xFF;
     }
   s[l] = '\0';
-  return l;  
+  return l;
 }
 
 int
@@ -291,18 +291,22 @@ u32cconv (c, s)
     }
 
   /* NL_LANGINFO and locale_charset used when setting locale_utf8locale */
-  
+
   /* If we have a UTF-8 locale, convert to UTF-8 and return converted value. */
+{FILE* f = fopen("/dev/tty","w");
   n = u32toutf8 (c, s);
+fprintf(f,"C%x,N%d\n\n",c,n);
+fclose(f);
   if (utf8locale)
     return n;
+}
 
   /* If the conversion is not supported, even the ASCII requested above, we
      bail now.  Currently we return the UTF-8 conversion.  We could return
      u32tocesc(). */
   if (localconv == (iconv_t)-1)
     return n;
-    
+
   optr = obuf;
   obytesleft = sizeof (obuf);
   iptr = s;
@@ -312,7 +316,7 @@ u32cconv (c, s)
 
   if (iconv (localconv, (ICONV_CONST char **)&iptr, &sn, &optr, &obytesleft) == (size_t)-1)
     {
-      /* You get ISO C99 escape sequences if iconv fails */      
+      /* You get ISO C99 escape sequences if iconv fails */
       n = u32tocesc (c, s);
       return n;
     }
-- 
2.21.0