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/* -*- 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 */