annotate src/loadso/macos/SDL_loadso.c @ 1266:a7bea6db3c3e

SDL_GetVideoMode, part 3: pixel count compare was failing when only 1 video mode was present
author Patrice Mandin <patmandin@gmail.com>
date Wed, 25 Jan 2006 18:11:56 +0000
parents e9cf8c1b4590
children c9b51268668f
rev   line source
1173
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
1 /*
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
2 SDL - Simple DirectMedia Layer
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
3 Copyright (C) 1997-2004 Sam Lantinga
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
4
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
5 This library is free software; you can redistribute it and/or
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
6 modify it under the terms of the GNU Library General Public
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
7 License as published by the Free Software Foundation; either
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
8 version 2 of the License, or (at your option) any later version.
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
9
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
10 This library is distributed in the hope that it will be useful,
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
13 Library General Public License for more details.
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
14
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
15 You should have received a copy of the GNU Library General Public
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
16 License along with this library; if not, write to the Free
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
18
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
19 Sam Lantinga
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
20 slouken@libsdl.org
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
21 */
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
22
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
23 #ifdef SAVE_RCSID
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
24 static char rcsid =
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
25 "@(#) $Id$";
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
26 #endif
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
27
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
28 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
29 /* System dependent library loading routines */
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
30
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
31 #if !SDL_INTERNAL_BUILDING_LOADSO
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
32 #error Do not compile directly...compile src/SDL_loadso.c instead!
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
33 #endif
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
34
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
35 #if !defined(macintosh)
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
36 #error Compiling for the wrong platform?
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
37 #endif
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
38
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
39 #include <stdio.h>
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
40 #include <string.h>
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
41 #define OLDP2C 1
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
42 #include <Strings.h>
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
43 #include <CodeFragments.h>
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
44 #include <Errors.h>
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
45
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
46 #include "SDL_types.h"
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
47 #include "SDL_error.h"
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
48 #include "SDL_loadso.h"
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
49
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
50 void *SDL_LoadObject(const char *sofile)
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
51 {
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
52 void *handle = NULL;
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
53 const char *loaderror = NULL;
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
54 CFragConnectionID library_id;
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
55 Ptr mainAddr;
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
56 Str255 errName;
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
57 OSErr error;
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
58 char psofile[512];
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
59
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
60 strncpy(psofile, sofile, SDL_TABLESIZE(psofile));
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
61 psofile[SDL_TABLESIZE(psofile)-1] = '\0';
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
62 error = GetSharedLibrary(C2PStr(psofile), kCompiledCFragArch,
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
63 kLoadCFrag, &library_id, &mainAddr, errName);
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
64 switch (error) {
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
65 case noErr:
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
66 loaderror = NULL;
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
67 break;
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
68 case cfragNoLibraryErr:
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
69 loaderror = "Library not found";
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
70 break;
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
71 case cfragUnresolvedErr:
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
72 loaderror = "Unabled to resolve symbols";
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
73 break;
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
74 case cfragNoPrivateMemErr:
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
75 case cfragNoClientMemErr:
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
76 loaderror = "Out of memory";
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
77 break;
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
78 default:
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
79 loaderror = "Unknown Code Fragment Manager error";
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
80 break;
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
81 }
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
82 if ( loaderror == NULL ) {
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
83 handle = (void *)(library_id);
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
84 } else {
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
85 SDL_SetError("Failed loading %s: %s", sofile, loaderror);
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
86 }
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
87 return(handle);
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
88 }
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
89
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
90 void *SDL_LoadFunction(void *handle, const char *name)
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
91 {
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
92 void *symbol = NULL;
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
93 const char *loaderror = NULL;
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
94 CFragSymbolClass class;
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
95 CFragConnectionID library_id = (CFragConnectionID)handle;
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
96 char pname[512];
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
97
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
98 strncpy(pname, name, SDL_TABLESIZE(pname));
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
99 pname[SDL_TABLESIZE(pname)-1] = '\0';
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
100 if ( FindSymbol(library_id, C2PStr(pname),
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
101 (char **)&symbol, &class) != noErr ) {
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
102 loaderror = "Symbol not found";
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
103 }
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
104
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
105 if ( symbol == NULL ) {
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
106 SDL_SetError("Failed loading %s: %s", name, loaderror);
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
107 }
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
108 return(symbol);
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
109 }
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
110
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
111 void SDL_UnloadObject(void *handle)
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
112 {
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
113 CFragConnectionID library_id;
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
114 if ( handle != NULL ) {
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
115 library_id = (CFragConnectionID)handle;
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
116 CloseConnection(&library_id);
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
117 }
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
118 }
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
119