--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nspr/pr/src/misc/prerror.c	Mon Jul 28 10:47:06 2014 +0200
@@ -0,0 +1,75 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "primpl.h"
+
+#include <string.h>
+#include <stdlib.h>
+
+PR_IMPLEMENT(PRErrorCode) PR_GetError(void)
+{
+    PRThread *thread = PR_GetCurrentThread();
+    return thread->errorCode;
+}
+
+PR_IMPLEMENT(PRInt32) PR_GetOSError(void)
+{
+    PRThread *thread = PR_GetCurrentThread();
+    return thread->osErrorCode;
+}
+
+PR_IMPLEMENT(void) PR_SetError(PRErrorCode code, PRInt32 osErr)
+{
+    PRThread *thread = PR_GetCurrentThread();
+    thread->errorCode = code;
+    thread->osErrorCode = osErr;
+    thread->errorStringLength = 0;
+}
+
+PR_IMPLEMENT(void) PR_SetErrorText(PRIntn textLength, const char *text)
+{
+    PRThread *thread = PR_GetCurrentThread();
+
+    if (0 == textLength)
+    {
+	    if (NULL != thread->errorString)
+	        PR_DELETE(thread->errorString);
+	    thread->errorStringSize = 0;
+    }
+    else
+    {
+	    PRIntn size = textLength + 31;  /* actual length to allocate. Plus a little extra */
+        if (thread->errorStringSize < textLength+1)  /* do we have room? */
+        {
+	        if (NULL != thread->errorString)
+	            PR_DELETE(thread->errorString);
+		    thread->errorString = (char*)PR_MALLOC(size);
+            if ( NULL == thread->errorString ) {
+                thread->errorStringSize = 0;
+                thread->errorStringLength = 0;
+                return;
+            }
+            thread->errorStringSize = size;
+	    }
+        memcpy(thread->errorString, text, textLength+1 );
+    }
+    thread->errorStringLength = textLength;
+}
+
+PR_IMPLEMENT(PRInt32) PR_GetErrorTextLength(void)
+{
+    PRThread *thread = PR_GetCurrentThread();
+    return thread->errorStringLength;
+}  /* PR_GetErrorTextLength */
+
+PR_IMPLEMENT(PRInt32) PR_GetErrorText(char *text)
+{
+    PRThread *thread = PR_GetCurrentThread();
+    if (0 != thread->errorStringLength)
+        memcpy(text, thread->errorString, thread->errorStringLength+1);
+    return thread->errorStringLength;
+}  /* PR_GetErrorText */
+
+