/**
* @brief Used by Sys_LoadDll to get handle on a mod library
* @return Handle to a mod library
*/
static void *Sys_TryLibraryLoad(const char *base, const char *gamedir, const char *fname)
{
void *libHandle;
char *fn;
fn = FS_BuildOSPath(base, gamedir, fname);
#ifdef __APPLE__
if (FS_Unzip(fn, qtrue))
{
char buffer[MAX_OSPATH];
Com_sprintf(buffer, sizeof(buffer), "%s.bundle/Contents/MacOS/%s", fname, fname);
fn = FS_BuildOSPath(Cvar_VariableString("fs_homepath"), gamedir, buffer);
}
#endif // __APPLE__
Com_Printf("Sys_LoadDll(%s)... ", fn);
libHandle = Sys_LoadLibrary(fn);
if (!libHandle)
{
Com_Printf("failed: \"%s\"\n", Sys_LibraryError());
return NULL;
}
Com_Printf("succeeded\n");
return libHandle;
}
/**
* @brief Used by Sys_LoadGameDll to get handle on a mod library
* @return Handle to a mod library
*/
static void *Sys_TryLibraryLoad(const char *base, const char *gamedir, const char *fname)
{
void *libHandle;
char *fn;
#ifdef __MORPHOS__
int (*morphos_so_init)(void);
void (*morphos_so_deinit)(void);
#endif
#ifdef __APPLE__
Com_Printf("Sys_LoadDll -> Sys_TryLibraryLoad(%s, %s, %s)... \n", base, gamedir, fname);
libHandle = NULL;
// Incoming is (for example) "cgame_mac"
// What we may actually have is:
// 1) A zipped .bundle package
// 2) A .dylib without an extension
// 3) A .dylib with an extension we need to append.
//
// In older versions of OS X (pre 10.5), dylibs could not be unloaded allowing the host process to reclaim that address space.
// This is why .bundles were used instead. When W:ET originally shipped, it used used .bundle packages for the VM libraries,
// but to make them single files, it zipped that .bundle package and had no extension at all (ie just "cgame_mac"). But now
// that dylibs can be unloaded, there's no practical difference between the two (for W:ET's purposes), so using a single file
// dylib is simpler. That's why we now support a dylib with some backward compatibility to allow .bundles.
// 1: The zipped .bundle package
{
Com_Printf("-- Trying zipped .bundle... ");
fn = FS_BuildOSPath(base, gamedir, fname);
if (FS_Unzip(fn, qtrue))
{
char buffer[MAX_OSPATH];
Com_sprintf(buffer, sizeof(buffer), "%s.bundle/Contents/MacOS/%s", fname, fname);
fn = FS_BuildOSPath(Cvar_VariableString("fs_homepath"), gamedir, buffer);
libHandle = Sys_LoadLibrary(fn);
if (!libHandle)
{
Com_Printf("failed: \"%s\"\n", Sys_LibraryError());
}
else
{
Com_Printf("succeeded\n");
}
}
else
{
Com_Printf("failed. (Not a zip).\n");
}
}
// 2: The dylib without an extension
if (!libHandle)
{
fn = FS_BuildOSPath(base, gamedir, fname);
Com_Printf("-- Trying extension-less dylib... ");
libHandle = Sys_LoadLibrary(fn);
if (!libHandle)
{
Com_Printf("failed: \"%s\"\n", Sys_LibraryError());
}
else
{
Com_Printf("succeeded\n");
}
}
// 3: The dylib with an extension
if (!libHandle)
{
char buffer[MAX_OSPATH];
Com_sprintf(buffer, sizeof(buffer), "%s.dylib", fname);
fn = FS_BuildOSPath(Cvar_VariableString("fs_homepath"), gamedir, buffer);
Com_Printf("-- Trying dylib with extension... ");
libHandle = Sys_LoadLibrary(fn);
if (!libHandle)
{
Com_Printf("failed: \"%s\"\n", Sys_LibraryError());
}
else
{
Com_Printf("succeeded\n");
}
}
return libHandle;
#else // __APPLE__
fn = FS_BuildOSPath(base, gamedir, fname);
Com_Printf("Sys_LoadDll(%s)... ", fn);
libHandle = Sys_LoadLibrary(fn);
if (!libHandle)
{
Com_Printf("failed: \"%s\"\n", Sys_LibraryError());
return NULL;
}
#endif // __APPLE__
#ifdef __MORPHOS__
morphos_so_init = dlsym(libHandle, "morphos_so_init");
morphos_so_deinit = dlsym(libHandle, "morphos_so_deinit");
if (!(morphos_so_init && morphos_so_deinit && morphos_so_init()))
{
Com_Printf("failed: \"can't find the morphos_so_init and morphos_so_deinit symbols\"\n");
Sys_UnloadLibrary(libHandle);
return NULL;
}
#endif
Com_Printf("succeeded\n");
return libHandle;
}
