1 /* 2 * Copyright (c) 2005, Oracle and/or its affiliates. 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * 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 }