Mercurial > sdl-ios-xcode
annotate src/loadso/os2/SDL_loadso.c @ 1358:c71e05b4dc2e
More header massaging... works great on Windows. ;-)
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Fri, 10 Feb 2006 06:48:43 +0000 |
| parents | c9b51268668f |
| children |
| rev | line source |
|---|---|
| 1190 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1190
diff
changeset
|
3 Copyright (C) 1997-2006 Sam Lantinga |
| 1190 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
|
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1190
diff
changeset
|
6 modify it under the terms of the GNU Lesser General Public |
| 1190 | 7 License as published by the Free Software Foundation; either |
|
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1190
diff
changeset
|
8 version 2.1 of the License, or (at your option) any later version. |
| 1190 | 9 |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
|
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1190
diff
changeset
|
13 Lesser General Public License for more details. |
| 1190 | 14 |
|
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1190
diff
changeset
|
15 You should have received a copy of the GNU Lesser General Public |
|
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1190
diff
changeset
|
16 License along with this library; if not, write to the Free Software |
|
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1190
diff
changeset
|
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 1190 | 18 |
| 19 Sam Lantinga | |
| 20 slouken@libsdl.org | |
| 21 */ | |
| 22 | |
| 23 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ | |
| 24 /* System dependent library loading routines */ | |
| 25 | |
| 26 #if !SDL_INTERNAL_BUILDING_LOADSO | |
| 27 #error Do not compile directly...compile src/SDL_loadso.c instead! | |
| 28 #endif | |
| 29 | |
| 30 #if !defined(__OS2__) | |
| 31 #error Compiling for the wrong platform? | |
| 32 #endif | |
| 33 | |
| 34 #include <stdio.h> | |
| 35 #define INCL_DOSERRORS | |
| 36 #define INCL_DOSMODULEMGR | |
| 37 #include <os2.h> | |
| 38 | |
| 39 #include "SDL_loadso.h" | |
| 40 | |
| 41 void *SDL_LoadObject(const char *sofile) | |
| 42 { | |
| 43 HMODULE handle = NULL; | |
| 44 char buf[512]; | |
| 45 APIRET ulrc = DosLoadModule(buf, sizeof (buf), (char *) sofile, &handle); | |
| 46 | |
| 47 /* Generate an error message if all loads failed */ | |
| 48 if ((ulrc != NO_ERROR) || (handle == NULL)) | |
| 49 SDL_SetError("Failed loading %s: %s", sofile, buf); | |
| 50 | |
| 51 return((void *) handle); | |
| 52 } | |
| 53 | |
| 54 void *SDL_LoadFunction(void *handle, const char *name) | |
| 55 { | |
| 56 const char *loaderror = "Unknown error"; | |
| 57 void *symbol = NULL; | |
| 58 APIRET ulrc = DosQueryProcAddr((HMODULE)handle, 0, (char *)name, &symbol); | |
| 59 if (ulrc == ERROR_INVALID_HANDLE) | |
| 60 loaderror = "Invalid module handle"; | |
| 61 else if (ulrc == ERROR_INVALID_NAME) | |
| 62 loaderror = "Symbol not found"; | |
| 63 | |
| 64 if (symbol == NULL) | |
| 65 SDL_SetError("Failed loading %s: %s", name, loaderror); | |
| 66 | |
| 67 return(symbol); | |
| 68 } | |
| 69 | |
| 70 void SDL_UnloadObject(void *handle) | |
| 71 { | |
| 72 if ( handle != NULL ) | |
| 73 DosFreeModule((HMODULE) handle); | |
| 74 } | |
| 75 |