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engine: client: get rid of NULL sentinels at the end of arrays

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This commit is contained in:
Alibek Omarov 2024-12-22 07:43:26 +03:00
parent ac9d960eef
commit f1d7101ad8
1 changed files with 36 additions and 34 deletions
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70
engine/client/cl_game.c
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@ -76,7 +76,6 @@ static const dllfunc_t cdll_exports[] =
{ "IN_ClearStates", (void **)&clgame.dllFuncs.IN_ClearStates },
{ "V_CalcRefdef", (void **)&clgame.dllFuncs.pfnCalcRefdef },
{ "KB_Find", (void **)&clgame.dllFuncs.KB_Find },
{ NULL, NULL }
};
// optional exports
@ -91,7 +90,6 @@ static const dllfunc_t cdll_new_exports[] = // allowed only in SDK 2.3 and high
{ "IN_ClientTouchEvent", (void **)&clgame.dllFuncs.pfnTouchEvent}, // Xash3D FWGS ext
{ "IN_ClientMoveEvent", (void **)&clgame.dllFuncs.pfnMoveEvent}, // Xash3D FWGS ext
{ "IN_ClientLookEvent", (void **)&clgame.dllFuncs.pfnLookEvent}, // Xash3D FWGS ext
{ NULL, NULL }
};
static void pfnSPR_DrawHoles( int frame, int x, int y, const wrect_t *prc );
@ -4007,9 +4005,10 @@ void CL_UnloadProgs( void )
qboolean CL_LoadProgs( const char *name )
{
static playermove_t gpMove;
const dllfunc_t *func;
CL_EXPORT_FUNCS GetClientAPI; // single export
qboolean critical_exports = true;
CL_EXPORT_FUNCS GetClientAPI; // single export
qboolean valid_single_export = false;
qboolean missed_exports = false;
int i;
if( clgame.hInstance ) CL_UnloadProgs();
@ -4063,8 +4062,8 @@ qboolean CL_LoadProgs( const char *name )
}
// clear exports
for( func = cdll_exports; func && func->name; func++ )
*func->func = NULL;
for( i = 0; i < ARRAYSIZE( cdll_exports ); i++ )
*(cdll_exports[i].func) = NULL;
// trying to get single export
if(( GetClientAPI = (void *)COM_GetProcAddress( clgame.hInstance, "GetClientAPI" )) != NULL )
@ -4082,56 +4081,59 @@ qboolean CL_LoadProgs( const char *name )
CL_GetSecuredClientAPI( GetClientAPI );
}
if ( GetClientAPI != NULL )
if( GetClientAPI != NULL )
{
// check critical functions again
for( func = cdll_exports; func && func->name; func++ )
for( i = 0; i < ARRAYSIZE( cdll_exports ); i++ )
{
if( func->func == NULL )
if( *(cdll_exports[i].func) == NULL )
break; // BAH critical function was missed
}
// because all the exports are loaded through function 'F"
if( !func || !func->name )
critical_exports = false;
// everything was loaded
if( i == ARRAYSIZE( cdll_exports ))
valid_single_export = true;
}
for( func = cdll_exports; func && func->name != NULL; func++ )
for( i = 0; i < ARRAYSIZE( cdll_exports ); i++ )
{
if( *func->func != NULL )
continue; // already get through 'F'
if( *(cdll_exports[i].func) != NULL )
continue; // already gott through 'F' or 'GetClientAPI'
// functions are cleared before all the extensions are evaluated
if(( *func->func = (void *)COM_GetProcAddress( clgame.hInstance, func->name )) == NULL )
if(( *(cdll_exports[i].func) = (void *)COM_GetProcAddress( clgame.hInstance, cdll_exports[i].name )) == NULL )
{
Con_Reportf( "%s: failed to get address of %s proc\n", __func__, func->name );
Con_Reportf( S_ERROR "%s: failed to get address of %s proc\n", __func__, cdll_exports[i].name );
if( critical_exports )
{
COM_FreeLibrary( clgame.hInstance );
clgame.hInstance = NULL;
return false;
}
// print all not found exports at once, for debug
missed_exports = true;
}
}
// it may be loaded through 'GetClientAPI' so we don't need to clear them
if( critical_exports )
if( missed_exports )
{
// clear new exports
for( func = cdll_new_exports; func && func->name; func++ )
*func->func = NULL;
COM_FreeLibrary( clgame.hInstance );
clgame.hInstance = NULL;
return false;
}
for( func = cdll_new_exports; func && func->name != NULL; func++ )
// it may be loaded through 'GetClientAPI' so we don't need to clear them
if( !valid_single_export )
{
if( *func->func != NULL )
continue; // already get through 'F'
// clear new exports
for( i = 0; i < ARRAYSIZE( cdll_new_exports ); i++ )
*(cdll_new_exports[i].func) = NULL;
}
for( i = 0; i < ARRAYSIZE( cdll_new_exports ); i++ )
{
if( *(cdll_new_exports[i].func) != NULL )
continue; // already gott through 'F' or 'GetClientAPI'
// functions are cleared before all the extensions are evaluated
// NOTE: new exports can be missed without stop the engine
if(( *func->func = (void *)COM_GetProcAddress( clgame.hInstance, func->name )) == NULL )
Con_Reportf( "%s: failed to get address of %s proc\n", __func__, func->name );
if(( *(cdll_new_exports[i].func) = (void *)COM_GetProcAddress( clgame.hInstance, cdll_new_exports[i].name )) == NULL )
Con_Reportf( S_WARN "%s: failed to get address of %s proc\n", __func__, cdll_new_exports[i].name );
}
if( !clgame.dllFuncs.pfnInitialize( &gEngfuncs, CLDLL_INTERFACE_VERSION ))