jdk/src/share/bin/splashscreen_stubs.c
changeset 2 90ce3da70b43
child 5506 202f599c92aa
equal deleted inserted replaced
0:fd16c54261b3 2:90ce3da70b43
       
     1 /*
       
     2  * Copyright 2005 Sun Microsystems, Inc.  All Rights Reserved.
       
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
       
     4  *
       
     5  * This code is free software; you can redistribute it and/or modify it
       
     6  * under the terms of the GNU General Public License version 2 only, as
       
     7  * published by the Free Software Foundation.  Sun designates this
       
     8  * particular file as subject to the "Classpath" exception as provided
       
     9  * by Sun in the LICENSE file that accompanied this code.
       
    10  *
       
    11  * This code is distributed in the hope that it will be useful, but WITHOUT
       
    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
       
    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
       
    14  * version 2 for more details (a copy is included in the LICENSE file that
       
    15  * accompanied this code).
       
    16  *
       
    17  * You should have received a copy of the GNU General Public License version
       
    18  * 2 along with this work; if not, write to the Free Software Foundation,
       
    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
       
    20  *
       
    21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
       
    22  * CA 95054 USA or visit www.sun.com if you need additional information or
       
    23  * have any questions.
       
    24  */
       
    25 
       
    26 #include <stdio.h>
       
    27 #include "splashscreen.h"
       
    28 
       
    29 extern void* SplashProcAddress(const char* name); /* in java_md.c */
       
    30 
       
    31 /*
       
    32  * Prototypes of pointers to functions in splashscreen shared lib
       
    33  */
       
    34 typedef int (*SplashLoadMemory_t)(void* pdata, int size);
       
    35 typedef int (*SplashLoadFile_t)(const char* filename);
       
    36 typedef void (*SplashInit_t)(void);
       
    37 typedef void (*SplashClose_t)(void);
       
    38 typedef void (*SplashSetFileJarName_t)(const char* fileName,
       
    39                                        const char* jarName);
       
    40 
       
    41 /*
       
    42  * This macro invokes a function from the shared lib.
       
    43  * it locates a function with SplashProcAddress on demand.
       
    44  * if SplashProcAddress fails, def value is returned.
       
    45  *
       
    46  * it is further wrapped with INVOKEV (works with functions which return
       
    47  * void and INVOKE (for all other functions). INVOKEV looks a bit ugly,
       
    48  * that's due being unable to return a value of type void in C. INVOKEV
       
    49  * works around this by using semicolon instead of return operator.
       
    50  */
       
    51 #define _INVOKE(name,def,ret) \
       
    52     static void* proc = NULL; \
       
    53     if (!proc) { proc = SplashProcAddress(#name); } \
       
    54     if (!proc) { return def; } \
       
    55     ret ((name##_t)proc)
       
    56 
       
    57 #define INVOKE(name,def) _INVOKE(name,def,return)
       
    58 #define INVOKEV(name) _INVOKE(name, ,;)
       
    59 
       
    60 int     DoSplashLoadMemory(void* pdata, int size) {
       
    61     INVOKE(SplashLoadMemory,0)(pdata, size);
       
    62 }
       
    63 
       
    64 int     DoSplashLoadFile(const char* filename) {
       
    65     INVOKE(SplashLoadFile,0)(filename);
       
    66 }
       
    67 
       
    68 void    DoSplashInit(void) {
       
    69     INVOKEV(SplashInit)();
       
    70 }
       
    71 
       
    72 void    DoSplashClose(void) {
       
    73     INVOKEV(SplashClose)();
       
    74 }
       
    75 
       
    76 void    DoSplashSetFileJarName(const char* fileName, const char* jarName) {
       
    77     INVOKEV(SplashSetFileJarName)(fileName, jarName);
       
    78 }