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1 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
2 | * Mupen64plus-ui-console - osal_files_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 | /* This implements all kinds of system-dependent file handling |
23 | * |
24 | */ |
25 | |
26 | #include <stdlib.h> |
27 | #include <stdio.h> |
28 | #include <string.h> |
29 | #include <sys/types.h> |
30 | #include <dirent.h> // for opendir(), readdir(), closedir() |
31 | |
32 | #include "main.h" |
33 | #include "m64p_types.h" |
34 | #include "osal_preproc.h" |
35 | #include "osal_files.h" |
36 | |
37 | /* definitions for system directories to search when looking for mupen64plus plugins */ |
38 | #if defined(PLUGINDIR) |
39 | const int osal_libsearchdirs = 4; |
40 | const char *osal_libsearchpath[4] = { PLUGINDIR, "/usr/local/lib/mupen64plus", "/usr/lib/mupen64plus", "./" }; |
41 | #else |
42 | const int osal_libsearchdirs = 3; |
43 | const char *osal_libsearchpath[3] = { "/usr/local/lib/mupen64plus", "/usr/lib/mupen64plus", "./" }; |
44 | #endif |
45 | |
46 | osal_lib_search *osal_library_search(const char *searchpath) |
47 | { |
48 | osal_lib_search *head = NULL, *curr = NULL; |
49 | DIR *dir; |
50 | struct dirent *entry; |
51 | |
52 | #ifdef __APPLE__ |
53 | const char* suffix = ".dylib"; |
54 | #else |
55 | const char* suffix = ".so"; |
56 | #endif |
57 | |
58 | dir = opendir(searchpath); |
59 | if (dir == NULL) |
60 | return NULL; |
61 | |
62 | /* look for any shared libraries in this folder */ |
63 | while ((entry = readdir(dir)) != NULL) |
64 | { |
65 | osal_lib_search *newlib = NULL; |
66 | if (strcmp(entry->d_name + strlen(entry->d_name) - strlen(suffix), suffix) != 0) |
67 | continue; |
68 | /* this is a .so file, so add it to the list */ |
69 | newlib = malloc(sizeof(osal_lib_search)); |
70 | if (newlib == NULL) |
71 | { |
72 | DebugMessage(M64MSG_ERROR, "Memory allocation error in osal_library_search()!"); |
73 | osal_free_lib_list(head); |
74 | closedir(dir); |
75 | return NULL; |
76 | } |
77 | if (head == NULL) |
78 | { |
79 | head = curr = newlib; |
80 | } |
81 | else |
82 | { |
83 | curr->next = newlib; |
84 | curr = newlib; |
85 | } |
86 | /* set up the filepath and filename members */ |
87 | strncpy(curr->filepath, searchpath, PATH_MAX-2); |
88 | curr->filepath[PATH_MAX-2] = 0; |
89 | if (curr->filepath[strlen(curr->filepath)-1] != '/') |
90 | strcat(curr->filepath, "/"); |
91 | int pathlen = strlen(curr->filepath); |
92 | curr->filename = curr->filepath + pathlen; |
93 | strncat(curr->filepath, entry->d_name, PATH_MAX - pathlen - 1); |
94 | curr->filepath[PATH_MAX-1] = 0; |
95 | /* set plugin_type and next pointer */ |
96 | curr->plugin_type = 0; |
97 | curr->next = NULL; |
98 | } |
99 | |
100 | closedir(dir); |
101 | return head; |
102 | } |
103 | |
104 | void osal_free_lib_list(osal_lib_search *head) |
105 | { |
106 | while (head != NULL) |
107 | { |
108 | osal_lib_search *next = head->next; |
109 | free(head); |
110 | head = next; |
111 | } |
112 | } |
113 | |