Don't leak upon failed realloc.

libjava
2008-03-10  Jim Meyering  <meyering@redhat.com>
        Don't leak upon failed realloc.
        * gnu/classpath/natSystemProperties.cc
        (SystemProperties::insertSystemProperties):
libjava/classpath
2008-03-10  Jim Meyering  <meyering@redhat.com>
        Don't leak upon failed realloc.
        * native/jni/classpath/jcl.c (JCL_realloc): Upon failed realloc,
        free the original buffer before throwing the exception.

From-SVN: r133094

libjava/ChangeLog

+2008-03-10  Jim Meyering  <meyering@redhat.com>
+
+	Don't leak upon failed realloc.
+	* gnu/classpath/natSystemProperties.cc
+	(SystemProperties::insertSystemProperties):
+
 2008-03-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
 	* HACKING: Fix grep patterns.

libjava/classpath/ChangeLog

+2008-03-10  Jim Meyering  <meyering@redhat.com>
+
+	Don't leak upon failed realloc.
+	* native/jni/classpath/jcl.c (JCL_realloc): Upon failed realloc,
+	free the original buffer before throwing the exception.
+
 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
 	* doc/cp-hacking.texinfo: Fix spacing after periods.

libjava/classpath/native/jni/classpath/jcl.c

 /* jcl.c
-   Copyright (C) 1998, 2005, 2006 Free Software Foundation, Inc.
+   Copyright (C) 1998, 2005, 2006, 2008 Free Software Foundation, Inc.
 
 This file is part of GNU Classpath.
 
@@ -152,9 +152,11 @@ JCL_malloc (JNIEnv * env, size_t size)
 JNIEXPORT void *JNICALL
 JCL_realloc (JNIEnv * env, void *ptr, size_t size)
 {
+  void *orig_ptr = ptr;
   ptr = realloc (ptr, size);
   if (ptr == 0)
     {
+      free (orig_ptr);
       JCL_ThrowException (env, "java/lang/OutOfMemoryError",
 			  "malloc() failed.");
       return NULL;

libjava/gnu/classpath/natSystemProperties.cc

@@ -270,7 +270,10 @@ gnu::classpath::SystemProperties::insertSystemProperties (::java::util::Properti
       if (errno != ERANGE)
 	break;
       buflen = 2 * buflen;
+      char *orig_buf = buffer;
       buffer = (char *) realloc (buffer, buflen);
+      if (buffer == NULL)
+	free (orig_buf);
     }
   if (buffer != NULL)
     free (buffer);