London changes to string:

	* std/bastring.cc (check_realloc): Don't be selfish anymore.
	* std/bastring.h (non-const operator[]): Be selfish.
	(iterator forms of insert and erase): Stay selfish.

From-SVN: r16722

libstdc++/ChangeLog

+Tue Nov 25 23:16:44 1997  Jason Merrill  <jason@yorick.cygnus.com>
+
+	London changes to string:
+	* std/bastring.cc (check_realloc): Don't be selfish anymore.
+	* std/bastring.h (non-const operator[]): Be selfish.
+	(iterator forms of insert and erase): Stay selfish.
+
 Tue Nov 25 14:03:43 1997  H.J. Lu  (hjl@gnu.org)
 
 	* Makefile.in (stmp-complex, bigstmp-complex): Changed to

libstdc++/Makefile.in

@@ -301,9 +301,10 @@ stuff:
 	$(MAKE) clean
 	$(MAKE) -C ../libio c++clean
 	$(MAKE) -C ../libg++ clean
-	$(MAKE) $(MAKEFLAGS) check
-	$(MAKE) -C ../libio check
-	$(MAKE) -C ../libg++ check
+	-$(MAKE) $(MAKEFLAGS) check
+	-$(MAKE) -C ../libio check
+	-$(MAKE) -C ../libg++ check
+	-$(MAKE) -C ../gcc check-g++
 
 stuff1:
 	$(MAKE) clean
@@ -311,6 +312,7 @@ stuff1:
 	$(MAKE) -C ../libg++ clean
 
 stuff2:
-	$(MAKE) check
-	$(MAKE) -C ../libio check
-	$(MAKE) -C ../libg++ check
+	-$(MAKE) check
+	-$(MAKE) -C ../libio check
+	-$(MAKE) -C ../libg++ check
+	-$(MAKE) -C ../gcc check-g++

libstdc++/std/bastring.cc

@@ -87,6 +87,7 @@ inline bool basic_string <charT, traits>::
 check_realloc (size_t s) const
 {
   s += sizeof (charT);
+  rep ()->selfish = false;
   return (rep ()->ref > 1
 	  || s > capacity ()
 	  || Rep::excess_slop (s, capacity ()));

libstdc++/std/bastring.h

@@ -220,9 +220,9 @@ public:
   basic_string& insert (size_type pos, size_type n, charT c)
     { return replace (pos, 0, n, c); }
   iterator insert(iterator p, charT c)
-    { insert (p - ibegin (), 1, c); return p; }
+    { insert (p - ibegin (), 1, c); selfish (); return p; }
   iterator insert(iterator p, size_type n, charT c)
-    { insert (p - ibegin (), n, c); return p; }
+    { insert (p - ibegin (), n, c); selfish (); return p; }
 #ifdef __STL_MEMBER_TEMPLATES
   template<class InputIterator>
     void insert(iterator p, InputIterator first, InputIterator last)
@@ -234,9 +234,9 @@ public:
   basic_string& erase (size_type pos = 0, size_type n = npos)
     { return replace (pos, n, (size_type)0, (charT)0); }
   iterator erase(iterator p)
-    { replace (p - ibegin (), 1, (size_type)0, (charT)0); return p; }
+    { replace (p-ibegin (), 1, (size_type)0, (charT)0); selfish (); return p; }
   iterator erase(iterator f, iterator l)
-    { replace (f - ibegin (), l - f, (size_type)0, (charT)0); return f; }
+    { replace (f-ibegin (), l-f, (size_type)0, (charT)0);selfish ();return f; }
 
   basic_string& replace (size_type pos1, size_type n1, const basic_string& str,
 			 size_type pos2 = 0, size_type n2 = npos);
@@ -278,7 +278,7 @@ public:
     }
 
   reference operator[] (size_type pos)
-    { unique (); return (*rep ())[pos]; }
+    { selfish (); return (*rep ())[pos]; }
 
   reference at (size_type pos)
     {