1 files changed, 55 insertions, 0 deletions
diff --git a/libg++/libstdc++/stl/tempbuf.h b/libg++/libstdc++/stl/tempbuf.h
new file mode 100644
index 0000000..238b6ac
--- /dev/null
+++ b/libg++/libstdc++/stl/tempbuf.h
@@ -0,0 +1,55 @@
+/*
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Hewlett-Packard Company makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ */
+
+#ifndef TEMPBUF_H
+#define TEMPBUF_H
+
+#include <limits.h>
+#include <pair.h>
+
+#ifndef __stl_buffer_size
+#define __stl_buffer_size 16384 // 16k
+#endif
+
+extern char __stl_temp_buffer[__stl_buffer_size];
+
+//not reentrant code
+
+template <class T>
+pair<T*, int> get_temporary_buffer(int len, T*) {
+    while (len > __stl_buffer_size / sizeof(T)) {
+	set_new_handler(0);
+        T* tmp = (T*)(::operator new((unsigned int)len * sizeof(T)));
+        if (tmp) return pair<T*, int>(tmp, len);
+        len = len / 2;
+    }
+    return pair<T*, int>((T*)__stl_temp_buffer, 
+                         (int)(__stl_buffer_size / sizeof(T)));
+}
+
+template <class T>
+void return_temporary_buffer(T* p) {
+    if ((char*)(p) != __stl_temp_buffer) deallocate(p);
+}
+
+template <class T>
+pair<T*, long> get_temporary_buffer(long len, T* p) {
+    if (len > INT_MAX/sizeof(T)) 
+	len = INT_MAX/sizeof(T);
+    pair<T*, int> tmp = get_temporary_buffer((int)len, p);
+    return pair<T*, long>(tmp.first, (long)(tmp.second));
+}
+
+#endif