re PR libstdc++/13831 (Unused variable in basic_filebuf::underflow)

2004-01-23  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/13831
	* include/bits/fstream.tcc (underflow): Remove unused
	variable.
	* include/bits/streambuf_iterator.h (equal): Ditto.
	* include/bits/locale_facets.h (_M_convert_from_char):
	Ditto.

From-SVN: r76433

libstdc++-v3/ChangeLog

+2004-01-23  Paolo Carlini  <pcarlini@suse.de>
+
+	PR libstdc++/13831
+	* include/bits/fstream.tcc (underflow): Remove unused
+	variable.
+	* include/bits/streambuf_iterator.h (equal): Ditto.
+	* include/bits/locale_facets.h (_M_convert_from_char):
+	Ditto.
+
 2004-01-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	PR c/13814

libstdc++-v3/include/bits/fstream.tcc

@@ -179,7 +179,6 @@ namespace std
     {
       int_type __ret = traits_type::eof();
       const bool __testin = this->_M_mode & ios_base::in;
-      const bool __testout = this->_M_mode & ios_base::out;
       if (__testin && !_M_writing)
 	{
 	  // Check for pback madness, and if so swich back to the

libstdc++-v3/include/bits/locale_facets.h

@@ -4384,14 +4384,15 @@ namespace std
 
       // Returns a locale and codeset-converted string, given a char* message.
       string_type
-      _M_convert_from_char(char* __msg) const
+      _M_convert_from_char(char*) const
       {
+#if 0
 	// Length of message string without terminating null.
 	size_t __len = char_traits<char>::length(__msg) - 1;
 
 	// "everybody can easily convert the string using
 	// mbsrtowcs/wcsrtombs or with iconv()"
-#if 0
+
 	// Convert char* to _CharT in locale used to open catalog.
 	// XXX need additional template parameter on messages class for this..
 	// typedef typename codecvt<char, _CharT, _StateT> __codecvt_type;

libstdc++-v3/include/bits/streambuf_iterator.h

@@ -132,9 +132,8 @@ namespace std
       bool 
       equal(const istreambuf_iterator& __b) const
       {
-	const int_type __eof = traits_type::eof();
-	bool __thiseof = _M_at_eof();
-	bool __beof = __b._M_at_eof();
+	const bool __thiseof = _M_at_eof();
+	const bool __beof = __b._M_at_eof();
 	return (__thiseof && __beof || (!__thiseof && !__beof));
       }