1 /* Copyright (C) 2011 The Android Open Source Project 2 ** 3 ** This software is licensed under the terms of the GNU General Public 4 ** License version 2, as published by the Free Software Foundation, and 5 ** may be copied, distributed, and modified under those terms. 6 ** 7 ** This program is distributed in the hope that it will be useful, 8 ** but WITHOUT ANY WARRANTY; without even the implied warranty of 9 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 10 ** GNU General Public License for more details. 11 */ 12 #ifndef ANDROID_UTILS_DLL_H 13 #define ANDROID_UTILS_DLL_H 14 15 /* Opaque type to model a dynamic library handle */ 16 typedef struct ADynamicLibrary ADynamicLibrary; 17 18 /* Try to load/open a dynamic library named 'libraryName', looking for 19 * it in the optional paths listed by 'libraryPaths'. 20 * 21 * Once opened, you can use adynamicLibrary_findSymbol() and 22 * adynamicLibrary_close() on it. 23 * 24 * libraryName :: library name, if no extension is provided, then '.so' 25 * will be appended on Unix systems, or '.dll' on Windows. 26 * 27 * pError :: On success, '*pError' will be set to NULL. On error, it will 28 * point to a string describing the error, which must be freed by 29 * the caller. 30 * 31 * returns an ADynamicLibrary pointer. 32 */ 33 ADynamicLibrary* adynamicLibrary_open( const char* libraryName, 34 char** pError); 35 36 /* Find a symbol inside a dynamic library. */ 37 void* adynamicLibrary_findSymbol( ADynamicLibrary* lib, 38 const char* symbolName, 39 char** pError); 40 41 /* Close/unload a given dynamic library */ 42 void adynamicLibrary_close( ADynamicLibrary* lib ); 43 44 #endif /* ANDROID_UTILS_DLL_H */ 45
