Mercurial > sdl-ios-xcode
diff src/loadso/macos/SDL_sysloadso.c @ 1361:19418e4422cb
New configure-based build system. Still work in progress, but much improved
author | Sam Lantinga <slouken@libsdl.org> |
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date | Thu, 16 Feb 2006 10:11:48 +0000 |
parents | |
children | c0a74f199ecf |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/loadso/macos/SDL_sysloadso.c Thu Feb 16 10:11:48 2006 +0000 @@ -0,0 +1,104 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2006 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org +*/ + +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ +/* System dependent library loading routines */ + +#include <stdio.h> +#include <string.h> +#define OLDP2C 1 +#include <Strings.h> +#include <CodeFragments.h> +#include <Errors.h> + +#include "SDL_loadso.h" + +void *SDL_LoadObject(const char *sofile) +{ + void *handle = NULL; + const char *loaderror = NULL; + CFragConnectionID library_id; + Ptr mainAddr; + Str255 errName; + OSErr error; + char psofile[512]; + + SDL_strncpy(psofile, sofile, SDL_TABLESIZE(psofile)); + psofile[SDL_TABLESIZE(psofile)-1] = '\0'; + error = GetSharedLibrary(C2PStr(psofile), kCompiledCFragArch, + kLoadCFrag, &library_id, &mainAddr, errName); + switch (error) { + case noErr: + loaderror = NULL; + break; + case cfragNoLibraryErr: + loaderror = "Library not found"; + break; + case cfragUnresolvedErr: + loaderror = "Unabled to resolve symbols"; + break; + case cfragNoPrivateMemErr: + case cfragNoClientMemErr: + loaderror = "Out of memory"; + break; + default: + loaderror = "Unknown Code Fragment Manager error"; + break; + } + if ( loaderror == NULL ) { + handle = (void *)(library_id); + } else { + SDL_SetError("Failed loading %s: %s", sofile, loaderror); + } + return(handle); +} + +void *SDL_LoadFunction(void *handle, const char *name) +{ + void *symbol = NULL; + const char *loaderror = NULL; + CFragSymbolClass class; + CFragConnectionID library_id = (CFragConnectionID)handle; + char pname[512]; + + SDL_strncpy(pname, name, SDL_TABLESIZE(pname)); + pname[SDL_TABLESIZE(pname)-1] = '\0'; + if ( FindSymbol(library_id, C2PStr(pname), + (char **)&symbol, &class) != noErr ) { + loaderror = "Symbol not found"; + } + + if ( symbol == NULL ) { + SDL_SetError("Failed loading %s: %s", name, loaderror); + } + return(symbol); +} + +void SDL_UnloadObject(void *handle) +{ + CFragConnectionID library_id; + if ( handle != NULL ) { + library_id = (CFragConnectionID)handle; + CloseConnection(&library_id); + } +} +