Mercurial > sdl-ios-xcode
annotate include/SDL_loadso.h @ 834:d37179d10ccc
*** empty log message ***
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Mon, 16 Feb 2004 21:15:25 +0000 |
parents | b8d311d90021 |
children | c9b51268668f |
rev | line source |
---|---|
648
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
1 /* |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
2 SDL - Simple DirectMedia Layer |
769
b8d311d90021
Updated copyright information for 2004 (Happy New Year!)
Sam Lantinga <slouken@libsdl.org>
parents:
649
diff
changeset
|
3 Copyright (C) 1997-2004 Sam Lantinga |
648
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
4 |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
5 This library is free software; you can redistribute it and/or |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
6 modify it under the terms of the GNU Library General Public |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
7 License as published by the Free Software Foundation; either |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
8 version 2 of the License, or (at your option) any later version. |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
9 |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
10 This library is distributed in the hope that it will be useful, |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
13 Library General Public License for more details. |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
14 |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
15 You should have received a copy of the GNU Library General Public |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
16 License along with this library; if not, write to the Free |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
18 |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
19 Sam Lantinga |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
20 slouken@libsdl.org |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
21 */ |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
22 |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
23 #ifdef SAVE_RCSID |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
24 static char rcsid = |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
25 "@(#) $Id$"; |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
26 #endif |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
27 |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
28 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
29 /* System dependent library loading routines */ |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
30 |
649
81c74904f51f
Added some notes from the benefit of my experience. :)
Sam Lantinga <slouken@libsdl.org>
parents:
648
diff
changeset
|
31 /* Some things to keep in mind: |
81c74904f51f
Added some notes from the benefit of my experience. :)
Sam Lantinga <slouken@libsdl.org>
parents:
648
diff
changeset
|
32 - These functions only work on C function names. Other languages may |
81c74904f51f
Added some notes from the benefit of my experience. :)
Sam Lantinga <slouken@libsdl.org>
parents:
648
diff
changeset
|
33 have name mangling and intrinsic language support that varies from |
81c74904f51f
Added some notes from the benefit of my experience. :)
Sam Lantinga <slouken@libsdl.org>
parents:
648
diff
changeset
|
34 compiler to compiler. |
81c74904f51f
Added some notes from the benefit of my experience. :)
Sam Lantinga <slouken@libsdl.org>
parents:
648
diff
changeset
|
35 - Make sure you declare your function pointers with the same calling |
81c74904f51f
Added some notes from the benefit of my experience. :)
Sam Lantinga <slouken@libsdl.org>
parents:
648
diff
changeset
|
36 convention as the actual library function. Your code will crash |
81c74904f51f
Added some notes from the benefit of my experience. :)
Sam Lantinga <slouken@libsdl.org>
parents:
648
diff
changeset
|
37 mysteriously if you do not do this. |
81c74904f51f
Added some notes from the benefit of my experience. :)
Sam Lantinga <slouken@libsdl.org>
parents:
648
diff
changeset
|
38 - Avoid namespace collisions. If you load a symbol from the library, |
81c74904f51f
Added some notes from the benefit of my experience. :)
Sam Lantinga <slouken@libsdl.org>
parents:
648
diff
changeset
|
39 it is not defined whether or not it goes into the global symbol |
81c74904f51f
Added some notes from the benefit of my experience. :)
Sam Lantinga <slouken@libsdl.org>
parents:
648
diff
changeset
|
40 namespace for the application. If it does and it conflicts with |
81c74904f51f
Added some notes from the benefit of my experience. :)
Sam Lantinga <slouken@libsdl.org>
parents:
648
diff
changeset
|
41 symbols in your code or other shared libraries, you will not get |
81c74904f51f
Added some notes from the benefit of my experience. :)
Sam Lantinga <slouken@libsdl.org>
parents:
648
diff
changeset
|
42 the results you expect. :) |
81c74904f51f
Added some notes from the benefit of my experience. :)
Sam Lantinga <slouken@libsdl.org>
parents:
648
diff
changeset
|
43 */ |
81c74904f51f
Added some notes from the benefit of my experience. :)
Sam Lantinga <slouken@libsdl.org>
parents:
648
diff
changeset
|
44 |
81c74904f51f
Added some notes from the benefit of my experience. :)
Sam Lantinga <slouken@libsdl.org>
parents:
648
diff
changeset
|
45 |
648
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
46 #ifndef _SDL_loadso_h |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
47 #define _SDL_loadso_h |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
48 |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
49 #include "begin_code.h" |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
50 /* Set up for C function definitions, even when using C++ */ |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
51 #ifdef __cplusplus |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
52 extern "C" { |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
53 #endif |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
54 |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
55 /* This function dynamically loads a shared object and returns a pointer |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
56 * to the object handle (or NULL if there was an error). |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
57 * The 'sofile' parameter is a system dependent name of the object file. |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
58 */ |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
59 extern DECLSPEC void * SDLCALL SDL_LoadObject(const char *sofile); |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
60 |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
61 /* Given an object handle, this function looks up the address of the |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
62 * named function in the shared object and returns it. This address |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
63 * is no longer valid after calling SDL_UnloadObject(). |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
64 */ |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
65 extern DECLSPEC void * SDLCALL SDL_LoadFunction(void *handle, const char *name); |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
66 |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
67 /* Unload a shared object from memory */ |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
68 extern DECLSPEC void SDLCALL SDL_UnloadObject(void *handle); |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
69 |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
70 /* Ends C function definitions when using C++ */ |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
71 #ifdef __cplusplus |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
72 } |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
73 #endif |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
74 #include "close_code.h" |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
75 |
12a21d82a060
Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
76 #endif /* _SDL_loadso_h */ |