std_iosfwd.h: Remove string forward decls here.

2001-03-07  Benjamin Kosnik  <bkoz@redhat.com>

	* include/bits/std_iosfwd.h: Remove string forward decls here.
	* include/bits/stringfwd.h: Add forward decls for char_traits
	specializations.
	* config/c_io_libio.h (wstreamoff): Delete.
	* config/c_io_stdio.h (wstreamoff): Same.
	* include/bits/char_traits.h: Use streamoff not wstreamoff for
	char_traits<wchar_t>::off_type.
	Remove duplicate typedefs.
	* include/bits/fpos.h: Define streampos/wstreampos here.
	* testsuite/27_io/istream_seeks.cc (test04): Explicitly cast int
	values to off_type.
	(test05): Same.
	Changeup output files.
	* testsuite/27_io/istream_unformatted.cc: Change output files.
	* testsuite/27_io/istream_seeks-1.txt: Add.
	* testsuite/27_io/istream_seeks-2.tst: Add.
	* testsuite/27_io/istream_seeks-1.tst: Add.
	* testsuite/27_io/istream_unformatted-2.tst: Delete.
	* testsuite/27_io/istream_unformatted-3.tst: Delete.
	* testsuite/27_io/istream_unformatted-3.txt: Delete.

From-SVN: r40303

libstdc++-v3/ChangeLog

+2001-03-07  Benjamin Kosnik  <bkoz@redhat.com>
+
+	* include/bits/std_iosfwd.h: Remove string forward decls here.
+	* include/bits/stringfwd.h: Add forward decls for char_traits
+	specializations.
+	* config/c_io_libio.h (wstreamoff): Delete.
+	* config/c_io_stdio.h (wstreamoff): Same.
+	* include/bits/char_traits.h: Use streamoff not wstreamoff for
+	char_traits<wchar_t>::off_type.
+	Remove duplicate typedefs.
+	* include/bits/fpos.h: Define streampos/wstreampos here.
+	* testsuite/27_io/istream_seeks.cc (test04): Explicitly cast int
+	values to off_type.
+	(test05): Same.
+	Changeup output files.
+	* testsuite/27_io/istream_unformatted.cc: Change output files.	
+	* testsuite/27_io/istream_seeks-1.txt: Add.
+	* testsuite/27_io/istream_seeks-2.tst: Add.
+	* testsuite/27_io/istream_seeks-1.tst: Add.
+	* testsuite/27_io/istream_unformatted-2.tst: Delete.
+	* testsuite/27_io/istream_unformatted-3.tst: Delete.
+	* testsuite/27_io/istream_unformatted-3.txt: Delete.
+
 2001-03-07  Alexandre Oliva  <aoliva@redhat.com>
 
 	Add Irix 5.2, 6.3 support.
-        * config/os/irix/bits: Renamed too...
+        * config/os/irix/bits: Renamed to...
         * config/os/irix/irix6.5/bits: this.
         * config/os/irix/irix5.2/bits: New, copied from irix6.5/bits.
         * config/os/irix/irix5.2/bits/ctype_base.h: Use _U, _L, _N,

libstdc++-v3/config/c_io_libio.h

@@ -43,11 +43,9 @@ namespace std
 #if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001
   typedef _IO_off64_t 	streamoff;
   typedef _IO_fpos64_t 	__c_streampos;
-  typedef _IO_off64_t  	wstreamoff;
 #else
   typedef _IO_off_t 	streamoff;
   typedef _IO_fpos_t 	__c_streampos;
-  typedef _IO_off_t  	wstreamoff;
 #endif
 
 #ifdef _GLIBCPP_USE_THREADS

libstdc++-v3/config/c_io_stdio.h

@@ -42,7 +42,6 @@ namespace std
   typedef long  	streamoff;
   typedef ptrdiff_t	streamsize; // Signed integral type
 #if _GLIBCPP_USE_WCHAR_T
-  typedef long  	wstreamoff;
   typedef ptrdiff_t	wstreamsize;
 #endif
   typedef fpos_t  	__c_streampos;
@@ -51,6 +50,7 @@ namespace std
   typedef __mutext_type __c_lock;
 #else
   typedef int          	__c_lock;
+
 #endif
 
 // from basic_file.h

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

@@ -36,28 +36,14 @@
 
 #pragma GCC system_header
 
-#include <bits/std_cwchar.h> 	// For mbstate_t.
 #include <bits/std_cstring.h> 	// For memmove, memset, memchr
-#include <bits/fpos.h> 		// For streamoff, streamsize
-
-namespace std {
-
-  // Same as iosfwd
-#ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
-  // Can't have self-recursive types for streampos. 
-  // 21.1.3.1 char_traits sets size_type to streampos
-  // 27.4.1 
-  // And here, where streampos is typedefed to fpos<traits::state_type>
-    typedef fpos<mbstate_t> 	streampos;
-#  ifdef _GLIBCPP_USE_WCHAR_T
-    typedef fpos<mbstate_t> 	wstreampos;
-#  endif
-#endif
+#include <bits/fpos.h> 		// For streampos
 
+namespace std 
+{
   // 21.1.2 Basis for explicit _Traits specialization 
   // NB: That for any given actual character type this definition is
   // probably wrong.
-
   template<class _CharT>
     struct char_traits
     {
@@ -216,7 +202,7 @@ namespace std {
     {
       typedef wchar_t 		char_type;
       typedef wint_t 		int_type;
-      typedef wstreamoff 	off_type;
+      typedef streamoff 	off_type;
       typedef wstreampos 	pos_type;
       typedef mbstate_t 	state_type;
       
@@ -287,6 +273,4 @@ namespace std {
 
 } // namespace std
 
-
-#endif /* _CPP_BITS_CHAR_TRAITS_H */
-
+#endif

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

@@ -36,14 +36,11 @@
 
 #pragma GCC system_header
 
-// Need this here as well as in std_ios because fpos is used in
-// char_traits, and char_traits is used by string, which may or may
-// not have included the std_ios file.
 #include <bits/c++io.h>
+#include <bits/std_cwchar.h> 	// For mbstate_t.
 
 namespace std
 {
-
   // 27.4.1  Types
 
   // 27.4.3  Template class fpos
@@ -80,11 +77,27 @@ namespace std
       fpos& 
       operator-=(streamoff __off) { _M_off -= __off; return *this; }
 
+      fpos& 
+      operator+(streamoff __off) 
+      { 
+	fpos t(*this); 
+	return t += __off; 
+      }
+
+      fpos&      
+      operator-(streamoff __off) 
+      { 
+	fpos t(*this); 
+	return t -= __off; 
+      }
+
       bool  
-      operator==(const fpos& __pos) const { return _M_off == __pos._M_off; }
+      operator==(const fpos& __pos) const
+      { return _M_off == __pos._M_off; }
 
       bool  
-      operator!=(const fpos& __pos) const { return _M_off != __pos._M_off; }
+      operator!=(const fpos& __pos) const
+      { return _M_off != __pos._M_off; }
       
       streamoff 
       _M_position() const { return _M_off; }
@@ -93,29 +106,14 @@ namespace std
       _M_position(streamoff __off)  { _M_off = __off; }
     };
 
-  template<typename _State>
-    inline fpos<_State> 
-    operator+(const fpos<_State>& __pos, streamoff __off)
-    { 
-      fpos<_State> t(__pos); 
-      return t += __off; 
-    }
-
-  template<typename _State>
-    inline fpos<_State>
-    operator-(const fpos<_State>& __pos, streamoff __off)
-    { 
-      fpos<_State> t(__pos); 
-      return t -= __off; 
-    }
-
-  template<typename _State>
-    inline streamoff 
-    operator-(const fpos<_State>& __pos1, const fpos<_State>& __pos2)
-    { return __pos1._M_position() - __pos2._M_position(); }
-
+  // 27.2, paragraph 10 about fpos/char_traits circularity
+  typedef fpos<mbstate_t> 		streampos;
+#  ifdef _GLIBCPP_USE_WCHAR_T
+  typedef fpos<mbstate_t> 		wstreampos;
+#  endif
 }  // namespace std
 
-#endif /* _CPP_BITS_FPOS_H */
+#endif 
+
 
 

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

@@ -37,18 +37,12 @@
 #pragma GCC system_header
 
 #include <bits/c++config.h>
-#include <bits/std_cwchar.h> // For mbstate_t
 #include <bits/stringfwd.h> // For string forward declarations.
+#include <bits/fpos.h>
 #include <bits/functexcept.h>
 
 namespace std 
 {
-  // Forward declarations
-  template<> class char_traits<char>;
-#ifdef _GLIBCPP_USE_WCHAR_T
-  template<> class char_traits<wchar_t>;
-#endif
-
   template<typename _CharT, typename _Traits = char_traits<_CharT> >
     class basic_ios;
 
@@ -103,18 +97,6 @@ namespace std
   class ios_base; 
 #endif
 
-  template<class _State> struct fpos;
-#ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
-  // Can't have self-recursive types for streampos. 
-  // 21.1.3.1 char_traits sets size_type to streampos
-  // 27.4.1 
-  // And here, where streampos is typedefed to fpos<traits::state_type>
-  typedef fpos<mbstate_t> 		streampos;
-#  ifdef _GLIBCPP_USE_WCHAR_T
-  typedef fpos<mbstate_t> 		wstreampos;
-#  endif
-#endif
-
   typedef basic_ios<char> 		ios;
   typedef basic_streambuf<char> 	streambuf;
   typedef basic_istream<char> 		istream;

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

@@ -42,6 +42,11 @@ namespace std
 {
   template<class _CharT>
     struct char_traits;
+  
+  template<> class char_traits<char>;
+#ifdef _GLIBCPP_USE_WCHAR_T
+  template<> class char_traits<wchar_t>;
+#endif
 
   template<typename _Alloc> 
     class allocator;

libstdc++-v3/testsuite/27_io/fpos.cc

 // 1999-09-20 bkoz
 
-// Copyright (C) 1999 Free Software Foundation, Inc.
+// Copyright (C) 1999, 2001 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the

libstdc++-v3/testsuite/27_io/istream_seeks-1.tst

+bd2
+456x
+9mzuv>?@ABCDEFGHIJKLMNOPQRSTUVWXYZracadabras, i wannaz
+because because
+because. . 
+of the wonderful things he does!!
+ok
\ No newline at end of file

libstdc++-v3/testsuite/27_io/istream_seeks-1.txt

+bd2
+456x
+9mzuv>?@ABCDEFGHIJKLMNOPQRSTUVWXYZracadabras, i wannaz
+because because
+because. . 
+of the wonderful things he does!!
+ok
\ No newline at end of file

libstdc++-v3/testsuite/27_io/istream_seeks.cc

@@ -33,7 +33,7 @@ bool test01()
   typedef ios::pos_type pos_type;
 
   bool test = true;
-  const char str_lit01[] = "istream_unformatted-1.tst";
+  const char str_lit01[] = "istream_seeks-1.tst";
 
   // in
   // test default ctors leave things in the same positions...
@@ -65,11 +65,13 @@ bool test01()
 // fstreams
 void test04(void)
 {
+  typedef std::istream::off_type off_type;
+
   bool test = true;
   std::istream::pos_type pos01, pos02, pos03, pos04, pos05, pos06;
   std::ios_base::iostate state01, state02;
-  const char str_lit01[] = "istream_unformatted-1.txt";
-  const char str_lit02[] = "istream_unformatted-2.txt";
+  const char str_lit01[] = "istream_seeks-1.txt";
+  const char str_lit02[] = "istream_seeks-2.txt";
   std::ifstream if01(str_lit01, std::ios_base::in | std::ios_base::out);
   std::ifstream if02(str_lit01, std::ios_base::in);
   std::ifstream if03(str_lit02, std::ios_base::out | std::ios_base::trunc); 
@@ -112,7 +114,7 @@ void test04(void)
   is01.seekg(10, std::ios_base::cur);
   state02 = is01.rdstate();
   pos01 = is01.tellg(); 
-  VERIFY( pos01 == pos02 + 10 ); 
+  VERIFY( pos01 == pos02 + off_type(10) ); 
   VERIFY( state01 == state02 );
   pos02 = is01.tellg(); 
   VERIFY( pos02 == pos01 ); 
@@ -121,7 +123,7 @@ void test04(void)
   is02.seekg(10, std::ios_base::cur);
   state02 = is02.rdstate();
   pos03 = is02.tellg(); 
-  VERIFY( pos03 == pos04 + 10 ); 
+  VERIFY( pos03 == pos04 + off_type(10) ); 
   VERIFY( state01 == state02 );
   pos04 = is02.tellg(); 
   VERIFY( pos03 == pos04 ); 
@@ -130,7 +132,7 @@ void test04(void)
   is03.seekg(10, std::ios_base::cur);
   state02 = is03.rdstate();
   pos05 = is03.tellg(); 
-  VERIFY( pos05 == pos06 + 10 ); 
+  VERIFY( pos05 == pos06 + off_type(10) ); 
   VERIFY( state01 == state02 );
   pos06 = is03.tellg(); 
   VERIFY( pos05 == pos06 ); 
@@ -140,7 +142,7 @@ void test04(void)
   is01.seekg(20, std::ios_base::beg);
   state02 = is01.rdstate();
   pos01 = is01.tellg(); 
-  VERIFY( pos01 == pos02 + 10 ); 
+  VERIFY( pos01 == pos02 + off_type(10) ); 
   VERIFY( state01 == state02 );
   pos02 = is01.tellg(); 
   VERIFY( pos02 == pos01 ); 
@@ -149,7 +151,7 @@ void test04(void)
   is02.seekg(20, std::ios_base::beg);
   state02 = is02.rdstate();
   pos03 = is02.tellg(); 
-  VERIFY( pos03 == pos04 + 10 ); 
+  VERIFY( pos03 == pos04 + off_type(10) ); 
   VERIFY( state01 == state02 );
   pos04 = is02.tellg(); 
   VERIFY( pos03 == pos04 ); 
@@ -158,7 +160,7 @@ void test04(void)
   is03.seekg(20, std::ios_base::beg);
   state02 = is03.rdstate();
   pos05 = is03.tellg(); 
-  VERIFY( pos05 == pos06 + 10 );
+  VERIFY( pos05 == pos06 + off_type(10) );
   VERIFY( state01 == state02 );
   pos06 = is03.tellg(); 
   VERIFY( pos05 == pos06 ); 
@@ -171,10 +173,12 @@ void test04(void)
 // stringstreams
 void test05(void)
 {
+  typedef std::istream::off_type off_type;
+
   bool test = true;
   std::istream::pos_type pos01, pos02, pos03, pos04, pos05, pos06;
   std::ios_base::iostate state01, state02;
-  const char str_lit01[] = "istream_unformatted-1.tst";
+  const char str_lit01[] = "istream_seeks-1.tst";
   std::ifstream if01(str_lit01);
   std::ifstream if02(str_lit01);
   std::ifstream if03(str_lit01);
@@ -224,7 +228,7 @@ void test05(void)
   is01.seekg(10, std::ios_base::cur);
   state02 = is01.rdstate();
   pos01 = is01.tellg(); 
-  VERIFY( pos01 == pos02 + 10 ); 
+  VERIFY( pos01 == pos02 + off_type(10) ); 
   VERIFY( state01 == state02 );
   pos02 = is01.tellg(); 
   VERIFY( pos02 == pos01 ); 
@@ -233,7 +237,7 @@ void test05(void)
   is02.seekg(10, std::ios_base::cur);
   state02 = is02.rdstate();
   pos03 = is02.tellg(); 
-  VERIFY( pos03 == pos04 + 10 ); 
+  VERIFY( pos03 == pos04 + off_type(10) ); 
   VERIFY( state01 == state02 );
   pos04 = is02.tellg(); 
   VERIFY( pos03 == pos04 ); 
@@ -252,7 +256,7 @@ void test05(void)
   is01.seekg(20, std::ios_base::beg);
   state02 = is01.rdstate();
   pos01 = is01.tellg(); 
-  VERIFY( pos01 == pos02 + 10 ); 
+  VERIFY( pos01 == pos02 + off_type(10) ); 
   VERIFY( state01 == state02 );
   pos02 = is01.tellg(); 
   VERIFY( pos02 == pos01 ); 
@@ -261,7 +265,7 @@ void test05(void)
   is02.seekg(20, std::ios_base::beg);
   state02 = is02.rdstate();
   pos03 = is02.tellg(); 
-  VERIFY( pos03 == pos04 + 10 ); 
+  VERIFY( pos03 == pos04 + off_type(10) ); 
   VERIFY( state01 == state02 );
   pos04 = is02.tellg(); 
   VERIFY( pos03 == pos04 ); 

libstdc++-v3/testsuite/27_io/istream_unformatted.cc

@@ -461,7 +461,7 @@ int
 test07()
 {
   bool test = true;
-  const char* tfn = "istream_unformatted-3.txt";
+  const char* tfn = "istream_unformatted-1.txt";
   std::ifstream infile;
   infile.open(tfn);
   VERIFY( !(!infile) );