commit bash-20161209 snapshot

lib/sh/eaccess.c

@@ -91,7 +91,9 @@ sh_stat (path, finfo)
     }
   if (path[0] == '/' && path[1] == 'd' && strncmp (path, "/dev/fd/", 8) == 0)
     {
-#if !defined (HAVE_DEV_FD)
+      /* If stating /dev/fd/n doesn't produce the same results as fstat of
+	 FD N, then define DEV_FD_STAT_BROKEN */
+#if !defined (HAVE_DEV_FD) || defined (DEV_FD_STAT_BROKEN)
       intmax_t fd;
       int r;
 

lib/sh/shquote.c

@@ -228,7 +228,8 @@ sh_un_double_quote (string)
    going through the shell parser, which will protect the internal
    quoting characters.  TABLE, if set, points to a map of the ascii code
    set with char needing to be backslash-quoted if table[char]==1.  FLAGS,
-   if 1, causes tildes to be quoted as well. */
+   if 1, causes tildes to be quoted as well.  If FLAGS&2, backslash-quote
+   other shell blank characters. */
    
 char *
 sh_backslash_quote (string, table, flags)
@@ -273,6 +274,8 @@ sh_backslash_quote (string, table, flags)
         /* Tildes are special at the start of a word or after a `:' or `='
 	   (technically unquoted, but it doesn't make a difference in practice) */
 	*r++ = '\\';
+      else if ((flags&2) && shellblank((unsigned char)c))
+	*r++ = '\\';
       *r++ = c;
     }