| 1 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
| 2 | * Mupen64plus-video-glide64mk2 - osal_dynamiclib_unix.c * |
| 3 | * Mupen64Plus homepage: http://code.google.com/p/mupen64plus/ * |
| 4 | * Copyright (C) 2009 Richard Goedeken * |
| 5 | * * |
| 6 | * This program is free software; you can redistribute it and/or modify * |
| 7 | * it under the terms of the GNU General Public License as published by * |
| 8 | * the Free Software Foundation; either version 2 of the License, or * |
| 9 | * (at your option) any later version. * |
| 10 | * * |
| 11 | * This program is distributed in the hope that it will be useful, * |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 14 | * GNU General Public License for more details. * |
| 15 | * * |
| 16 | * You should have received a copy of the GNU General Public License * |
| 17 | * along with this program; if not, write to the * |
| 18 | * Free Software Foundation, Inc., * |
| 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * |
| 20 | * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
| 21 | |
| 22 | #include <stdlib.h> |
| 23 | #include <string.h> |
| 24 | #include <stdio.h> |
| 25 | #include <dlfcn.h> |
| 26 | |
| 27 | #include "m64p_types.h" |
| 28 | #include "m64p.h" |
| 29 | #include "osal_dynamiclib.h" |
| 30 | |
| 31 | m64p_error osal_dynlib_open(m64p_dynlib_handle *pLibHandle, const char *pccLibraryPath) |
| 32 | { |
| 33 | if (pLibHandle == NULL || pccLibraryPath == NULL) |
| 34 | return M64ERR_INPUT_ASSERT; |
| 35 | |
| 36 | *pLibHandle = dlopen(pccLibraryPath, RTLD_NOW); |
| 37 | |
| 38 | if (*pLibHandle == NULL) |
| 39 | { |
| 40 | /* only print an error message if there is a directory separator (/) in the pathname */ |
| 41 | /* this prevents us from throwing an error for the use case where Mupen64Plus is not installed */ |
| 42 | if (strchr(pccLibraryPath, '/') != NULL) |
| 43 | WriteLog(M64MSG_ERROR, "dlopen('%s') failed: %s", pccLibraryPath, dlerror()); |
| 44 | return M64ERR_INPUT_NOT_FOUND; |
| 45 | } |
| 46 | |
| 47 | return M64ERR_SUCCESS; |
| 48 | } |
| 49 | |
| 50 | void * osal_dynlib_getproc(m64p_dynlib_handle LibHandle, const char *pccProcedureName) |
| 51 | { |
| 52 | if (pccProcedureName == NULL) |
| 53 | return NULL; |
| 54 | |
| 55 | return dlsym(LibHandle, pccProcedureName); |
| 56 | } |
| 57 | |
| 58 | m64p_error osal_dynlib_close(m64p_dynlib_handle LibHandle) |
| 59 | { |
| 60 | int rval = dlclose(LibHandle); |
| 61 | |
| 62 | if (rval != 0) |
| 63 | { |
| 64 | WriteLog(M64MSG_ERROR, "dlclose() failed: %s", dlerror()); |
| 65 | return M64ERR_INTERNAL; |
| 66 | } |
| 67 | |
| 68 | return M64ERR_SUCCESS; |
| 69 | } |
| 70 | |
| 71 | |