Mercurial > pub > dyncall > dyncall
comparison dynload/dynload_darwin.c @ 0:3e629dc19168
initial from svn dyncall-1745
author | Daniel Adler |
---|---|
date | Thu, 19 Mar 2015 22:24:28 +0100 |
parents | |
children |
comparison
equal
deleted
inserted
replaced
-1:000000000000 | 0:3e629dc19168 |
---|---|
1 /* | |
2 | |
3 Package: dyncall | |
4 Library: dynload | |
5 File: dynload/dynload_darwin.c | |
6 Description: dynload module for .dylib (mach-o darwin/OS X) files | |
7 License: | |
8 | |
9 Copyright (c) 2007-2015 Olivier Chafik <olivier.chafik@gmail.com> | |
10 Minor bug-fix modifications by Daniel Adler. | |
11 | |
12 Permission to use, copy, modify, and distribute this software for any | |
13 purpose with or without fee is hereby granted, provided that the above | |
14 copyright notice and this permission notice appear in all copies. | |
15 | |
16 THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
17 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
18 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
19 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
20 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
21 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
22 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
23 | |
24 */ | |
25 | |
26 | |
27 | |
28 /* | |
29 | |
30 dynload_darwin.c | |
31 | |
32 dynload module for .dylib (mach-o darwin/OS X) files | |
33 | |
34 */ | |
35 | |
36 | |
37 #include "dynload.h" | |
38 #include "dynload_alloc.h" | |
39 #include <dlfcn.h> | |
40 #include <string.h> | |
41 | |
42 struct DLLib_ | |
43 { | |
44 char* libPath; | |
45 void* handle; | |
46 }; | |
47 | |
48 | |
49 DLLib* dlLoadLibrary(const char* libPath) | |
50 { | |
51 void* handle; | |
52 size_t len; | |
53 DLLib* lib; | |
54 | |
55 handle = dlopen(libPath, RTLD_LAZY); | |
56 if (!handle) | |
57 return NULL; | |
58 | |
59 | |
60 lib = (DLLib*)dlAllocMem(sizeof(DLLib)); | |
61 lib->handle = handle; | |
62 /* libPath might be null (self reference on image) [Daniel] */ | |
63 if (libPath != NULL) { | |
64 len = strlen(libPath); | |
65 lib->libPath = (char*)dlAllocMem(len + 1); | |
66 strcpy(lib->libPath, libPath); | |
67 lib->libPath[len] = '\0'; | |
68 } else { | |
69 lib->libPath = NULL; | |
70 } | |
71 return lib; | |
72 } | |
73 | |
74 void* dlFindSymbol(DLLib* libHandle, const char* symbol) | |
75 { | |
76 return dlsym(libHandle && libHandle->handle ? libHandle->handle : RTLD_DEFAULT, symbol); | |
77 } | |
78 | |
79 | |
80 void dlFreeLibrary(DLLib* libHandle) | |
81 { | |
82 if (!libHandle) | |
83 return; | |
84 | |
85 dlclose(libHandle->handle); | |
86 if (libHandle->libPath) | |
87 dlFreeMem(libHandle->libPath); | |
88 dlFreeMem(libHandle); | |
89 } | |
90 |