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