Java example source code file (jio.c)

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The jio.c Java example source code

/*
 * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

#include <stdlib.h>

#include "jni.h"


/* This is a temporary solution until we figure out how to let native
 * libraries use jio_* without linking with the VM.
 */

extern int
jio_vsnprintf(char *str, size_t count, const char *fmt, va_list args);

JNIEXPORT int
jio_snprintf(char *str, size_t count, const char *fmt, ...)
{
    int len;

    va_list args;
    va_start(args, fmt);
    len = jio_vsnprintf(str, count, fmt, args);
    va_end(args);

    return len;
}

extern int
jio_vfprintf(FILE *, const char *fmt, va_list args);

JNIEXPORT int
jio_fprintf(FILE *fp, const char *fmt, ...)
{
    int len;

    va_list args;
    va_start(args, fmt);
    len = jio_vfprintf(fp, fmt, args);
    va_end(args);

    return len;
}