javaprims.h (_Jv_FormatInt): New declaration.

	* gcj/javaprims.h (_Jv_FormatInt):  New declaration.
	* java/lang/natString.cc (_JvFormatInt):  New primitive, with logic
	taken from old Integer.toString code.
	(Integer::valueOf):  Use _Jv_FormatInt.
	* java/lang/Integer.java (toString):  Just use call String.valueOf.
	* java/lang/Long.java (toString):  Fix typo in comment.
	* java/lang/String.java (valueOf(int)):  Make native.
	* java/lang/StringBuffer.java (append(int)):  Make native.
	* java/lang/natStringBuffer.cc:  New file, for append(jint).
	* Makefile.am (ant_source_files):  Add java/lang/natStringBuffer.cc.

From-SVN: r42419

1 files changed, 30 insertions, 0 deletions

diff --git a/libjava/java/lang/natStringBuffer.cc b/libjava/java/lang/natStringBuffer.cc
new file mode 100644
index 0000000..bc70f67
--- /dev/null
+++ b/libjava/java/lang/natStringBuffer.cc
@@ -0,0 +1,30 @@
+// natStringBuffer.cc - Implementation of java.lang.StringBuffer native methods.
+
+/* Copyright (C) 2001  Free Software Foundation
+
+   This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
+details.  */
+
+#include <config.h>
+#include <gcj/cni.h>
+#include <java/lang/StringBuffer.h>
+
+java::lang::StringBuffer*
+java::lang::StringBuffer::append (jint num)
+{
+  // Use an array large enough for "-2147483648"; i.e. 11 chars.
+  jchar buffer[11];
+  int i = _Jv_FormatInt (buffer+11, num);
+  JvSynchronize dummy (this);
+  jint needed = count + i;
+  ensureCapacity_unsynchronized (needed);
+  jchar* dst = elements (value) + count;
+  jchar* src = buffer+11-i;
+  while (--i >= 0)
+    *dst++ = *src++;
+  count = needed;
+  return this;
+}