From 1a23762b2f9a70af16937864264ada797f04e811 Mon Sep 17 00:00:00 2001
From: Benjamin Kosnik <bkoz@redhat.com>
Date: Wed, 7 Aug 2002 05:13:08 +0000
Subject: [PATCH] Revert PR libstdc++/6594

2002-08-06  Benjamin Kosnik  <bkoz@redhat.com>

        Revert PR libstdc++/6594
        * src/strstream.cc (strstreambuf): Revert.
        (strstreambuf::overflow): Same.
        (strstreambuf::~strstreambuf): Same.
        * testsuite/backward/strstream_members.cc (test02): Add.

        * testsuite/19_diagnostics/stdexceptions.cc (test04): Add bool test.

From-SVN: r56091
---
 libstdc++-v3/ChangeLog                        | 10 ++++++
 libstdc++-v3/src/strstream.cc                 | 35 ++++++++-----------
 .../testsuite/19_diagnostics/stdexceptions.cc |  2 +-
 .../testsuite/backward/strstream_members.cc   | 15 ++++++--
 4 files changed, 37 insertions(+), 25 deletions(-)

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 6a03683257ff..dd8363e547ce 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,13 @@
+2002-08-06  Benjamin Kosnik  <bkoz@redhat.com>
+
+	Revert PR libstdc++/6594
+	* src/strstream.cc (strstreambuf): Revert.
+	(strstreambuf::overflow): Same.
+	(strstreambuf::~strstreambuf): Same.	
+	* testsuite/backward/strstream_members.cc (test02): Add.
+
+	* testsuite/19_diagnostics/stdexceptions.cc (test04): Add bool test.
+
 2002-08-01  Benjamin Kosnik  <bkoz@redhat.com>
 	    Jakub Jelinek  <jakub@redhat.com>
 	
diff --git a/libstdc++-v3/src/strstream.cc b/libstdc++-v3/src/strstream.cc
index 961ff0394478..0576472ddbe3 100644
--- a/libstdc++-v3/src/strstream.cc
+++ b/libstdc++-v3/src/strstream.cc
@@ -47,7 +47,7 @@
 // MAY BE REMOVED in a future standard revision.  You should use the
 // header <sstream> instead.
 
-#include <strstream.h>
+#include <strstream>
 #include <algorithm>
 #include <new>
 #include <stdlib.h>
@@ -60,12 +60,13 @@ namespace std
   : _Base(), _M_alloc_fun(0), _M_free_fun(0), _M_dynamic(true), 
     _M_frozen(false), _M_constant(false)
   {
-    _M_buf_size = _M_buf_size_opt = max(initial_capacity, streamsize(16));
-    _M_buf = _M_alloc(_M_buf_size);
-    if (_M_buf) 
+    streamsize n = max(initial_capacity, streamsize(16));
+    
+    char* buf = _M_alloc(n);
+    if (buf) 
       {
-	setp(_M_buf, _M_buf + _M_buf_size);
-	setg(_M_buf, _M_buf, _M_buf);
+	setp(buf, buf + n);
+	setg(buf, buf, buf);
       }
   }
 
@@ -73,12 +74,13 @@ namespace std
   : _Base(), _M_alloc_fun(alloc_f), _M_free_fun(free_f), _M_dynamic(true), 
     _M_frozen(false), _M_constant(false)
   {
-    _M_buf_size = _M_buf_size_opt = 16;
-    _M_buf = _M_alloc(_M_buf_size);
-    if (_M_buf) 
+    streamsize n = 16;
+
+    char* buf = _M_alloc(n);
+    if (buf) 
       {
-	setp(_M_buf, _M_buf + _M_buf_size);
-	setg(_M_buf, _M_buf, _M_buf);
+	setp(buf, buf + n);
+	setg(buf, buf, buf);
       }
   }
 
@@ -116,14 +118,7 @@ namespace std
   strstreambuf::~strstreambuf()
   {
     if (_M_dynamic && !_M_frozen)
-      {
-	char* p = this->eback();
-	_M_free(p);
-	if (p == _M_buf)
-	  _M_buf = 0;
-      }
-    if (_M_buf)
-      _M_free(_M_buf);
+      _M_free(eback());
   }
 
   void 
@@ -169,8 +164,6 @@ namespace std
 		old_get_offset = gptr() - eback();
 	      }
 	    
-	    _M_buf = buf;
-	    _M_buf_size = _M_buf_size_opt = new_size;
 	    setp(buf, buf + new_size);
 	    pbump(old_size);
 
diff --git a/libstdc++-v3/testsuite/19_diagnostics/stdexceptions.cc b/libstdc++-v3/testsuite/19_diagnostics/stdexceptions.cc
index 1b11118da5d9..267795acb752 100644
--- a/libstdc++-v3/testsuite/19_diagnostics/stdexceptions.cc
+++ b/libstdc++-v3/testsuite/19_diagnostics/stdexceptions.cc
@@ -58,7 +58,6 @@ public:
 void test03()
 {
   bool test = true;
-
   try
     { throw fuzzy_logic(); }
   catch(const fuzzy_logic& obj)
@@ -79,6 +78,7 @@ void allocate_on_stack(void)
 }
 void test04()
 {
+  bool test = true;
   const std::string s("CA ISO emergency once again:immediate power down");
   const char* strlit1 = "wish I lived in Palo Alto";
   const char* strlit2 = "...or Santa Barbara";
diff --git a/libstdc++-v3/testsuite/backward/strstream_members.cc b/libstdc++-v3/testsuite/backward/strstream_members.cc
index 494008e4c2b7..107041041f7b 100644
--- a/libstdc++-v3/testsuite/backward/strstream_members.cc
+++ b/libstdc++-v3/testsuite/backward/strstream_members.cc
@@ -18,23 +18,32 @@
 
 // backward strstream members
 
-#include <strstream.h>
+#include <strstream>
 #include <testsuite_hooks.h>
 
 // { dg-options "-Wno-deprecated" }
 
 int test01()
 {
-   strstream s;
+   std::strstream s;
    for (unsigned i=0 ; i!= 1000 ; ++i)
       s << i << std::endl;
    s << std::ends;
-
    return 0;
 }
 
+
+int test02()
+{
+  std::ostrstream buf;
+  buf << std::ends;
+  char *s = buf.str ();
+  delete [] s;
+}
+
 int main()
 {
   test01();
+  test02();
   return 0;
 }
-- 
2.47.2