Mercurial > sdl-ios-xcode

annotate include/SDL_loadso.h @ 671:338a62f9a528

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
*** empty log message ***
author Sam Lantinga <slouken@libsdl.org>
date Fri, 08 Aug 2003 20:09:15 +0000
parents 81c74904f51f
children b8d311d90021
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
12a21d82a060 Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
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 */