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/*
* Copyright (c) 2005, 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 <stdio.h>
#include "splashscreen.h"
extern void* SplashProcAddress(const char* name); /* in java_md.c */
/*
* Prototypes of pointers to functions in splashscreen shared lib
*/
typedef int (*SplashLoadMemory_t)(void* pdata, int size);
typedef int (*SplashLoadFile_t)(const char* filename);
typedef void (*SplashInit_t)(void);
typedef void (*SplashClose_t)(void);
typedef void (*SplashSetFileJarName_t)(const char* fileName,
const char* jarName);
/*
* This macro invokes a function from the shared lib.
* it locates a function with SplashProcAddress on demand.
* if SplashProcAddress fails, def value is returned.
*
* it is further wrapped with INVOKEV (works with functions which return
* void and INVOKE (for all other functions). INVOKEV looks a bit ugly,
* that's due being unable to return a value of type void in C. INVOKEV
* works around this by using semicolon instead of return operator.
*/
#define _INVOKE(name,def,ret) \
static void* proc = NULL; \
if (!proc) { proc = SplashProcAddress(#name); } \
if (!proc) { return def; } \
ret ((name##_t)proc)
#define INVOKE(name,def) _INVOKE(name,def,return)
#define INVOKEV(name) _INVOKE(name, ,;)
int DoSplashLoadMemory(void* pdata, int size) {
INVOKE(SplashLoadMemory,0)(pdata, size);
}
int DoSplashLoadFile(const char* filename) {
INVOKE(SplashLoadFile,0)(filename);
}
void DoSplashInit(void) {
INVOKEV(SplashInit)();
}
void DoSplashClose(void) {
INVOKEV(SplashClose)();
}
void DoSplashSetFileJarName(const char* fileName, const char* jarName) {
INVOKEV(SplashSetFileJarName)(fileName, jarName);
}
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