engine: make separate mempools for cmds, cvars and basecmd

engine/common/base_cmd.c

@@ -30,6 +30,7 @@ struct base_command_hashmap_s
 };
 
 static base_command_hashmap_t *hashed_cmds[HASH_SIZE];
+static poolhandle_t basecmd_pool;
 
 #define BaseCmd_HashKey( x ) COM_HashKey( name, HASH_SIZE )
 
@@ -128,7 +129,7 @@ void BaseCmd_Insert( base_command_type_e type, base_command_t *basecmd, const ch
 	uint hash = BaseCmd_HashKey( name );
 	size_t len = Q_strlen( name );
 
-	elem = Z_Malloc( sizeof( base_command_hashmap_t ) + len );
+	elem = Mem_Malloc( basecmd_pool, sizeof( base_command_hashmap_t ) + len );
 	elem->basecmd = basecmd;
 	elem->type = type;
 	Q_strncpy( elem->name, name, len + 1 );
@@ -183,9 +184,15 @@ initialize base command hashmap system
 */
 void BaseCmd_Init( void )
 {
+	basecmd_pool = Mem_AllocPool( "BaseCmd" );
 	memset( hashed_cmds, 0, sizeof( hashed_cmds ) );
 }
 
+void BaseCmd_Shutdown( void )
+{
+	Mem_FreePool( &basecmd_pool );
+}
+
 /*
 ============
 BaseCmd_Stats_f

engine/common/base_cmd.h

@@ -32,6 +32,7 @@ typedef enum base_command_type
 typedef void base_command_t;
 
 void BaseCmd_Init( void );
+void BaseCmd_Shutdown( void );
 base_command_t *BaseCmd_Find( base_command_type_e type, const char *name );
 void BaseCmd_FindAll( const char *name,
 	base_command_t **cmd, base_command_t **alias, base_command_t **cvar );

engine/common/cmd.c

@@ -46,6 +46,7 @@ static cmdalias_t *cmd_alias;
 static uint cmd_condition;
 static int  cmd_condlevel;
 static qboolean cmd_currentCommandIsPrivileged;
+static poolhandle_t cmd_pool;
 
 static void Cmd_ExecuteStringWithPrivilegeCheck( const char *text, qboolean isPrivileged );
 
@@ -432,7 +433,7 @@ static void Cmd_Alias_f( void )
 	{
 		if( !Q_strcmp( s, a->name ))
 		{
-			Z_Free( a->value );
+			Mem_Free( a->value );
 			break;
 		}
 	}
@@ -441,7 +442,7 @@ static void Cmd_Alias_f( void )
 	{
 		cmdalias_t	*cur, *prev;
 
-		a = Z_Malloc( sizeof( cmdalias_t ));
+		a = Mem_Malloc( cmd_pool, sizeof( cmdalias_t ));
 
 		Q_strncpy( a->name, s, sizeof( a->name ));
 
@@ -469,7 +470,7 @@ static void Cmd_Alias_f( void )
 	}
 
 	Q_strncat( cmd, "\n", sizeof( cmd ));
-	a->value = copystring( cmd );
+	a->value = copystringpool( cmd_pool, cmd );
 }
 
 /*
@@ -636,7 +637,7 @@ void Cmd_TokenizeString( const char *text )
 
 	// clear the args from the last string
 	for( i = 0; i < cmd_argc; i++ )
-		Z_Free( cmd_argv[i] );
+		Mem_Free( cmd_argv[i] );
 
 	cmd_argc = 0; // clear previous args
 	cmd_args = NULL;
@@ -670,7 +671,7 @@ void Cmd_TokenizeString( const char *text )
 
 		if( cmd_argc < MAX_CMD_TOKENS )
 		{
-			cmd_argv[cmd_argc] = copystring( cmd_token );
+			cmd_argv[cmd_argc] = copystringpool( cmd_pool, cmd_token );
 			cmd_argc++;
 		}
 	}
@@ -708,7 +709,7 @@ int Cmd_AddCommandEx( const char *cmd_name, xcommand_t function, const char *cmd
 		if( FBitSet( cmd->flags, CMD_OVERRIDABLE ))
 		{
 			Mem_Free( cmd->desc );
-			cmd->desc = copystring( cmd_desc );
+			cmd->desc = copystringpool( cmd_pool, cmd_desc );
 			cmd->function = function;
 			cmd->flags = iFlags;
 
@@ -723,9 +724,9 @@ int Cmd_AddCommandEx( const char *cmd_name, xcommand_t function, const char *cmd
 	}
 
 	// use a small malloc to avoid zone fragmentation
-	cmd = Z_Malloc( sizeof( cmd_t ) );
-	cmd->name = copystring( cmd_name );
-	cmd->desc = copystring( cmd_desc );
+	cmd = Mem_Malloc( cmd_pool, sizeof( cmd_t ) );
+	cmd->name = copystringpool( cmd_pool, cmd_name );
+	cmd->desc = copystringpool( cmd_pool, cmd_desc );
 	cmd->function = function;
 	cmd->flags = iFlags;
 
@@ -1340,6 +1341,7 @@ Cmd_Init
 */
 void Cmd_Init( void )
 {
+	cmd_pool = Mem_AllocPool( "Console Commands" );
 	cmd_functions = NULL;
 	cmd_condition = 0;
 	cmd_alias = NULL;
@@ -1366,6 +1368,11 @@ void Cmd_Init( void )
 #endif
 }
 
+void Cmd_Shutdown( void )
+{
+	Mem_FreePool( &cmd_pool );
+}
+
 #if XASH_ENGINE_TESTS
 #include "tests.h"
 

engine/common/common.h

@@ -432,6 +432,7 @@ int Cmd_Argc( void );
 const char *Cmd_Args( void ) RETURNS_NONNULL;
 const char *Cmd_Argv( int arg ) RETURNS_NONNULL;
 void Cmd_Init( void );
+void Cmd_Shutdown( void );
 void Cmd_Unlink( int group );
 int Cmd_AddCommandEx( const char *cmd_name, xcommand_t function, const char *cmd_desc, int flags, const char *funcname );
 
@@ -628,6 +629,7 @@ int pfnNumberOfEntities( void );
 int pfnIsInGame( void );
 float pfnTime( void );
 #define copystring( s ) _copystring( host.mempool, s, __FILE__, __LINE__ )
+#define copystringpool( pool, s ) _copystring( pool, s, __FILE__, __LINE__ )
 #define SV_CopyString( s ) _copystring( svgame.stringspool, s, __FILE__, __LINE__ )
 #define freestring( s ) if( s != NULL ) { Mem_Free( s ); s = NULL; }
 char *_copystring( poolhandle_t mempool, const char *s, const char *filename, int fileline );

engine/common/cvar.c

@@ -19,6 +19,7 @@ GNU General Public License for more details.
 #include "eiface.h" // ARRAYSIZE
 
 static convar_t	*cvar_vars = NULL; // head of list
+static poolhandle_t cvar_pool;
 CVAR_DEFINE_AUTO( cmd_scripting, "0", FCVAR_ARCHIVE|FCVAR_PRIVILEGED, "enable simple condition checking and variable operations" );
 
 typedef struct cvar_filter_quirks_s
@@ -432,7 +433,7 @@ convar_t *Cvar_Get( const char *name, const char *value, int flags, const char *
 			{
 				// directly set value
 				freestring( var->string );
-				var->string = copystring( value );
+				var->string = copystringpool( cvar_pool, value );
 				var->value = Q_atof( var->string );
 				SetBits( var->flags, flags );
 
@@ -452,18 +453,18 @@ convar_t *Cvar_Get( const char *name, const char *value, int flags, const char *
 				Con_Reportf( "%s change description from %s to %s\n", var->name, var->desc, var_desc );
 			// update description if needs
 			freestring( var->desc );
-			var->desc = copystring( var_desc );
+			var->desc = copystringpool( cvar_pool, var_desc );
 		}
 
 		return var;
 	}
 
 	// allocate a new cvar
-	var = Z_Malloc( sizeof( *var ));
-	var->name = copystring( name );
-	var->string = copystring( value );
-	var->def_string = copystring( value );
-	var->desc = copystring( var_desc );
+	var = Mem_Malloc( cvar_pool, sizeof( *var ));
+	var->name = copystringpool( cvar_pool, name );
+	var->string = copystringpool( cvar_pool, value );
+	var->def_string = copystringpool( cvar_pool, value );
+	var->desc = copystringpool( cvar_pool, var_desc );
 	var->value = Q_atof( var->string );
 	var->flags = flags|FCVAR_ALLOCATED;
 
@@ -549,7 +550,7 @@ void Cvar_RegisterVariable( convar_t *var )
 	if( FBitSet( var->flags, FCVAR_EXTENDED ))
 		var->def_string = var->string; // just swap pointers
 
-	var->string = copystring( var->string );
+	var->string = copystringpool( cvar_pool, var->string );
 	var->value = Q_atof( var->string );
 
 	// find the supposed position in chain (alphanumerical order)
@@ -679,7 +680,7 @@ static convar_t *Cvar_Set2( const char *var_name, const char *value )
 
 	// and finally changed the cvar itself
 	freestring( var->string );
-	var->string = copystring( pszValue );
+	var->string = copystringpool( cvar_pool, pszValue );
 	var->value = Q_atof( var->string );
 
 	// tell engine about changes
@@ -738,7 +739,7 @@ void GAME_EXPORT Cvar_DirectSet( convar_t *var, const char *value )
 
 	// and finally changed the cvar itself
 	freestring( var->string );
-	var->string = copystring( pszValue );
+	var->string = copystringpool( cvar_pool, pszValue );
 	var->value = Q_atof( var->string );
 
 	// tell engine about changes
@@ -781,7 +782,7 @@ void Cvar_FullSet( const char *var_name, const char *value, int flags )
 	}
 
 	freestring( var->string );
-	var->string = copystring( value );
+	var->string = copystringpool( cvar_pool, value );
 	var->value = Q_atof( var->string );
 	SetBits( var->flags, flags );
 
@@ -1260,7 +1261,7 @@ pending_cvar_t *Cvar_PrepareToUnlink( int group )
 			continue;
 
 		namelen = Q_strlen( cv->name ) + 1;
-		p = Mem_Malloc( host.mempool, sizeof( *list ) + namelen );
+		p = Mem_Malloc( cvar_pool, sizeof( *list ) + namelen );
 		p->next = NULL;
 		p->cv_cur = cv;
 		p->cv_next = cv->next;
@@ -1336,6 +1337,7 @@ Reads in all archived cvars
 */
 void Cvar_Init( void )
 {
+	cvar_pool = Mem_AllocPool( "Console Variables" );
 	cvar_vars = NULL;
 	cvar_active_filter_quirks = NULL;
 	Cvar_RegisterVariable( &cmd_scripting );
@@ -1348,6 +1350,11 @@ void Cvar_Init( void )
 	Cmd_AddCommand( "cvarlist", Cvar_List_f, "display all console variables beginning with the specified prefix" );
 }
 
+void Cvar_Shutdown( void )
+{
+	Mem_FreePool( &cvar_pool );
+}
+
 /*
 ============
 Cvar_PostFSInit

engine/common/cvar.h

@@ -52,6 +52,7 @@ void Cvar_Reset( const char *var_name );
 void Cvar_SetCheatState( void );
 qboolean Cvar_CommandWithPrivilegeCheck( convar_t *v, qboolean isPrivileged );
 void Cvar_Init( void );
+void Cvar_Shutdown( void );
 void Cvar_PostFSInit( void );
 void Cvar_Unlink( int group );
 

engine/common/host.c

@@ -1400,6 +1400,10 @@ void Host_ShutdownWithReason( const char *reason )
 	Host_FreeCommon();
 	Platform_Shutdown();
 
+	BaseCmd_Shutdown();
+	Cmd_Shutdown();
+	Cvar_Shutdown();
+
 	// must be last, console uses this
 	Mem_FreePool( &host.mempool );