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1 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
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2 | * Mupen64plus-video-glide64mk2 - osal_dynamiclib_unix.c * |
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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> |
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23 | #include <string.h> |
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24 | #include <stdio.h> |
25 | #include <dlfcn.h> |
26 | |
27 | #include "m64p_types.h" |
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28 | #include "m64p.h" |
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29 | #include "osal_dynamiclib.h" |
30 | |
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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 | |
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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 | |
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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 | |
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71 | |